Support bitmap/vector images, strings, fonts and raw resource loading.

Limitation: for a correct work on the android user is supposed to copy a font file to the android asset directory

components/AnimatedImage/demo/src/jvmMain/kotlin/org/jetbrains/compose/animatedimage/demo/Main.kt

@@ -5,30 +5,58 @@ import androidx.compose.foundation.layout.Column
 import androidx.compose.foundation.layout.size
 import androidx.compose.material.CircularProgressIndicator
 import androidx.compose.material.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
 import androidx.compose.runtime.getValue
+import androidx.compose.runtime.setValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.rememberCoroutineScope
 import androidx.compose.ui.Modifier
 import androidx.compose.ui.graphics.ImageBitmap
 import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.singleWindowApplication
+import org.jetbrains.compose.animatedimage.AnimatedImage
 import org.jetbrains.compose.animatedimage.Blank
 import org.jetbrains.compose.animatedimage.animate
 import org.jetbrains.compose.animatedimage.loadAnimatedImage
-import org.jetbrains.compose.resources.LoadState
-import org.jetbrains.compose.resources.load
-import org.jetbrains.compose.resources.loadOrNull
 
 private val url =
     "https://raw.githubusercontent.com/JetBrains/skija/ccf303ebcf926e5ef000fc42d1a6b5b7f1e0b2b5/examples/scenes/images/codecs/animated.gif"
 
+private sealed interface LoadState<T> {
+    class Loading<T> : LoadState<T>
+    data class Success<T>(val data: T) : LoadState<T>
+    data class Error<T>(val error: Exception) : LoadState<T>
+}
+
+@Composable
+private fun <T> loadOrNull(action: suspend () -> T?): T? {
+    val scope = rememberCoroutineScope()
+    var result: T? by remember { mutableStateOf(null) }
+    LaunchedEffect(Unit) {
+        result = action()
+    }
+    return result
+}
+
 fun main() = singleWindowApplication {
     Column {
-        // Load an image async
-        // use "load { loadResourceAnimatedImage(url) }" for resources
-        when (val animatedImage = load { loadAnimatedImage(url) }) {
+        var state: LoadState<AnimatedImage> = LoadState.Loading()
+        LaunchedEffect(url) {
+            state = try {
+                LoadState.Success(loadAnimatedImage(url))
+            } catch (e: Exception) {
+                LoadState.Error(e)
+            }
+        }
+
+        when (val animatedImage = state) {
             is LoadState.Success -> Image(
-                bitmap = animatedImage.value.animate(),
+                bitmap = animatedImage.data.animate(),
                 contentDescription = null,
             )
+
             is LoadState.Loading -> CircularProgressIndicator()
             is LoadState.Error -> Text("Error!")
         }

components/AnimatedImage/library/build.gradle.kts

@@ -16,7 +16,6 @@ kotlin {
             dependencies {
                 api(compose.runtime)
                 api(compose.foundation)
-                api(project(":resources:library"))
             }
         }
     }

components/gradle.properties

@@ -24,3 +24,4 @@ kotlin.js.compiler=ir
 kotlin.js.webpack.major.version=4
 kotlin.native.useEmbeddableCompilerJar=true
 kotlin.native.binary.memoryModel=experimental
+xcodeproj=./resources/demo/iosApp

components/resources/demo/shared/build.gradle.kts

@@ -48,12 +48,16 @@ kotlin {
     }
 
     sourceSets {
+        all {
+            languageSettings {
+                optIn("org.jetbrains.compose.resources.ExperimentalResourceApi")
+            }
+        }
         val commonMain by getting {
             dependencies {
-                implementation(compose.ui)
-                implementation(compose.foundation)
-                implementation(compose.material)
                 implementation(compose.runtime)
+                implementation(compose.material3)
+                implementation(compose.materialIconsExtended)
                 implementation(project(":resources:library"))
             }
         }

components/resources/demo/shared/src/commonMain/kotlin/org/jetbrains/compose/resources/demo/shared/FileRes.kt

@@ -0,0 +1,63 @@
+package org.jetbrains.compose.resources.demo.shared
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.height
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedCard
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import org.jetbrains.compose.resources.readResourceBytes
+
+@Composable
+fun FileRes(paddingValues: PaddingValues) {
+    Column(
+        modifier = Modifier.padding(paddingValues)
+    ) {
+        Text(
+            modifier = Modifier.padding(16.dp),
+            text = "File: 'images/droid_icon.xml'",
+            style = MaterialTheme.typography.titleLarge
+        )
+        OutlinedCard(
+            modifier = Modifier.padding(horizontal = 16.dp),
+            shape = RoundedCornerShape(4.dp),
+            colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.primaryContainer)
+        ) {
+            var bytes by remember { mutableStateOf(ByteArray(0)) }
+            LaunchedEffect(Unit) {
+                bytes = readResourceBytes("images/droid_icon.xml")
+            }
+            Text(
+                modifier = Modifier.padding(8.dp).height(200.dp).verticalScroll(rememberScrollState()),
+                text = bytes.decodeToString(),
+                color = MaterialTheme.colorScheme.onPrimaryContainer,
+                softWrap = false
+            )
+        }
+        Text(
+            modifier = Modifier.padding(16.dp),
+            text = """
+                var bytes by remember { 
+                  mutableStateOf(ByteArray(0))
+                }
+                LaunchedEffect(Unit) {
+                  bytes = readBytes("images/droid_icon.xml")
+                }
+                Text(bytes.decodeToString())
+            """.trimIndent()
+        )
+    }
+}

components/resources/demo/shared/src/commonMain/kotlin/org/jetbrains/compose/resources/demo/shared/FontRes.kt

@@ -0,0 +1,54 @@
+package org.jetbrains.compose.resources.demo.shared
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedCard
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.text.font.FontFamily
+import androidx.compose.ui.unit.dp
+import org.jetbrains.compose.resources.Font
+
+@Composable
+fun FontRes(paddingValues: PaddingValues) {
+    Column(
+        modifier = Modifier.padding(paddingValues)
+    ) {
+        OutlinedCard(
+            modifier = Modifier.padding(16.dp).fillMaxWidth(),
+            shape = RoundedCornerShape(4.dp),
+            colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.primaryContainer)
+        ) {
+            Text(
+                modifier = Modifier.padding(8.dp),
+                text = """
+                    val fontAwesome = FontFamily(Font("font_awesome.otf"))
+                    val symbols = arrayOf(0xf1ba, 0xf238, 0xf21a, 0xf1bb, 0xf1b8, 0xf09b, 0xf269, 0xf1d0, 0xf15a, 0xf293, 0xf1c6)
+                    Text(
+                        modifier = Modifier.padding(16.dp),
+                        fontFamily = fontAwesome,
+                        style = MaterialTheme.typography.headlineLarge,
+                        text = symbols.joinToString(" ") { it.toChar().toString() }
+                    ) 
+                """.trimIndent(),
+                color = MaterialTheme.colorScheme.onPrimaryContainer,
+                softWrap = false
+            )
+        }
+
+        val fontAwesome = FontFamily(Font("font_awesome.otf"))
+        val symbols = arrayOf(0xf1ba, 0xf238, 0xf21a, 0xf1bb, 0xf1b8, 0xf09b, 0xf269, 0xf1d0, 0xf15a, 0xf293, 0xf1c6)
+        Text(
+            modifier = Modifier.padding(16.dp),
+            fontFamily = fontAwesome,
+            style = MaterialTheme.typography.headlineLarge,
+            text = symbols.joinToString(" ") { it.toChar().toString() }
+        )
+    }
+}

components/resources/demo/shared/src/commonMain/kotlin/org/jetbrains/compose/resources/demo/shared/ImagesRes.kt

@@ -0,0 +1,176 @@
+package org.jetbrains.compose.resources.demo.shared
+
+import androidx.compose.foundation.Image
+import androidx.compose.foundation.layout.*
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material3.Icon
+import androidx.compose.material3.OutlinedCard
+import androidx.compose.material3.Text
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.Alignment
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import org.jetbrains.compose.resources.imageResource
+import org.jetbrains.compose.resources.vectorResource
+import org.jetbrains.compose.resources.painterResource
+
+@Composable
+fun ImagesRes(contentPadding: PaddingValues) {
+    Column(
+        modifier = Modifier.padding(contentPadding).verticalScroll(rememberScrollState()),
+    ) {
+        OutlinedCard(modifier = Modifier.padding(8.dp)) {
+            Column(
+                modifier = Modifier.padding(16.dp).fillMaxWidth().fillMaxWidth(),
+                horizontalAlignment = Alignment.CenterHorizontally
+            ) {
+                Image(
+                    modifier = Modifier.size(100.dp),
+                    painter = painterResource("images/compose.png"),
+                    contentDescription = null
+                )
+                Text(
+                    """
+                        Image(
+                          painter = painterResource("images/compose.png")
+                        )
+                    """.trimIndent()
+                )
+            }
+        }
+        OutlinedCard(modifier = Modifier.padding(8.dp)) {
+            Column(
+                modifier = Modifier.padding(16.dp).fillMaxWidth(),
+                horizontalAlignment = Alignment.CenterHorizontally
+            ) {
+                Image(
+                    modifier = Modifier.size(100.dp),
+                    painter = painterResource("images/insta_icon.xml"),
+                    contentDescription = null
+                )
+                Text(
+                    """
+                        Image(
+                          painter = painterResource("images/insta_icon.xml")
+                        )
+                    """.trimIndent()
+                )
+            }
+        }
+        OutlinedCard(modifier = Modifier.padding(8.dp)) {
+            Column(
+                modifier = Modifier.padding(16.dp).fillMaxWidth(),
+                horizontalAlignment = Alignment.CenterHorizontally
+            ) {
+                Image(
+                    modifier = Modifier.size(140.dp),
+                    bitmap = imageResource("images/land.webp"),
+                    contentDescription = null
+                )
+                Text(
+                    """
+                        Image(
+                          bitmap = imageResource("images/land.webp")
+                        )
+                    """.trimIndent()
+                )
+            }
+        }
+        OutlinedCard(modifier = Modifier.padding(8.dp)) {
+            Column(
+                modifier = Modifier.padding(16.dp).fillMaxWidth(),
+                horizontalAlignment = Alignment.CenterHorizontally
+            ) {
+                Image(
+                    modifier = Modifier.size(100.dp),
+                    imageVector = vectorResource("images/droid_icon.xml"),
+                    contentDescription = null
+                )
+                Text(
+                    """
+                        Image(
+                          imageVector = vectorResource("images/droid_icon.xml")
+                        )
+                    """.trimIndent()
+                )
+            }
+        }
+        OutlinedCard(modifier = Modifier.padding(8.dp)) {
+            Column(
+                modifier = Modifier.padding(16.dp).fillMaxWidth(),
+                horizontalAlignment = Alignment.CenterHorizontally
+            ) {
+                Icon(
+                    modifier = Modifier.size(100.dp),
+                    painter = painterResource("images/compose.png"),
+                    contentDescription = null
+                )
+                Text(
+                    """
+                        Icon(
+                          painter = painterResource("images/compose.png")
+                        )
+                    """.trimIndent()
+                )
+            }
+        }
+        OutlinedCard(modifier = Modifier.padding(8.dp)) {
+            Column(
+                modifier = Modifier.padding(16.dp).fillMaxWidth(),
+                horizontalAlignment = Alignment.CenterHorizontally
+            ) {
+                Icon(
+                    modifier = Modifier.size(100.dp),
+                    painter = painterResource("images/insta_icon.xml"),
+                    contentDescription = null
+                )
+                Text(
+                    """
+                        Icon(
+                          painter = painterResource("images/insta_icon.xml")
+                        )
+                    """.trimIndent()
+                )
+            }
+        }
+        OutlinedCard(modifier = Modifier.padding(8.dp)) {
+            Column(
+                modifier = Modifier.padding(16.dp).fillMaxWidth(),
+                horizontalAlignment = Alignment.CenterHorizontally
+            ) {
+                Icon(
+                    modifier = Modifier.size(140.dp),
+                    bitmap = imageResource("images/land.webp"),
+                    contentDescription = null
+                )
+                Text(
+                    """
+                        Icon(
+                          bitmap = imageResource("images/land.webp")
+                        )
+                    """.trimIndent()
+                )
+            }
+        }
+        OutlinedCard(modifier = Modifier.padding(8.dp)) {
+            Column(
+                modifier = Modifier.padding(16.dp).fillMaxWidth(),
+                horizontalAlignment = Alignment.CenterHorizontally
+            ) {
+                Icon(
+                    modifier = Modifier.size(100.dp),
+                    imageVector = vectorResource("images/droid_icon.xml"),
+                    contentDescription = null
+                )
+                Text(
+                    """
+                        Icon(
+                          imageVector = vectorResource("images/droid_icon.xml")
+                        )
+                    """.trimIndent()
+                )
+            }
+        }
+    }
+}

components/resources/demo/shared/src/commonMain/kotlin/org/jetbrains/compose/resources/demo/shared/StringRes.kt

@@ -0,0 +1,115 @@
+package org.jetbrains.compose.resources.demo.shared
+
+import androidx.compose.foundation.layout.Column
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.fillMaxWidth
+import androidx.compose.foundation.layout.padding
+import androidx.compose.foundation.rememberScrollState
+import androidx.compose.foundation.shape.RoundedCornerShape
+import androidx.compose.foundation.verticalScroll
+import androidx.compose.material3.CardDefaults
+import androidx.compose.material3.MaterialTheme
+import androidx.compose.material3.OutlinedCard
+import androidx.compose.material3.OutlinedTextField
+import androidx.compose.material3.Text
+import androidx.compose.material3.TextFieldDefaults
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
+import androidx.compose.ui.Modifier
+import androidx.compose.ui.unit.dp
+import org.jetbrains.compose.resources.getString
+import org.jetbrains.compose.resources.getStringArray
+import org.jetbrains.compose.resources.readResourceBytes
+
+@Composable
+fun StringRes(paddingValues: PaddingValues) {
+    Column(
+        modifier = Modifier.padding(paddingValues).verticalScroll(rememberScrollState())
+    ) {
+        Text(
+            modifier = Modifier.padding(16.dp),
+            text = "strings.xml",
+            style = MaterialTheme.typography.titleLarge
+        )
+        OutlinedCard(
+            modifier = Modifier.padding(horizontal = 16.dp).fillMaxWidth(),
+            shape = RoundedCornerShape(4.dp),
+            colors = CardDefaults.cardColors(containerColor = MaterialTheme.colorScheme.primaryContainer)
+        ) {
+            var bytes by remember { mutableStateOf(ByteArray(0)) }
+            LaunchedEffect(Unit) {
+                bytes = readResourceBytes("strings.xml")
+            }
+            Text(
+                modifier = Modifier.padding(8.dp),
+                text = bytes.decodeToString(),
+                color = MaterialTheme.colorScheme.onPrimaryContainer,
+                softWrap = false
+            )
+        }
+        OutlinedTextField(
+            modifier = Modifier.padding(16.dp).fillMaxWidth(),
+            value = getString("app_name"),
+            onValueChange = {},
+            label = { Text("Text(getString(\"app_name\"))") },
+            enabled = false,
+            colors = TextFieldDefaults.colors(
+                disabledTextColor = MaterialTheme.colorScheme.onSurface,
+                disabledContainerColor = MaterialTheme.colorScheme.surface,
+                disabledLabelColor = MaterialTheme.colorScheme.onSurface,
+            )
+        )
+        OutlinedTextField(
+            modifier = Modifier.padding(16.dp).fillMaxWidth(),
+            value = getString("hello"),
+            onValueChange = {},
+            label = { Text("Text(getString(\"hello\"))") },
+            enabled = false,
+            colors = TextFieldDefaults.colors(
+                disabledTextColor = MaterialTheme.colorScheme.onSurface,
+                disabledContainerColor = MaterialTheme.colorScheme.surface,
+                disabledLabelColor = MaterialTheme.colorScheme.onSurface,
+            )
+        )
+        OutlinedTextField(
+            modifier = Modifier.padding(16.dp).fillMaxWidth(),
+            value = getString("multi_line"),
+            onValueChange = {},
+            label = { Text("Text(getString(\"multi_line\"))") },
+            enabled = false,
+            colors = TextFieldDefaults.colors(
+                disabledTextColor = MaterialTheme.colorScheme.onSurface,
+                disabledContainerColor = MaterialTheme.colorScheme.surface,
+                disabledLabelColor = MaterialTheme.colorScheme.onSurface,
+            )
+        )
+        OutlinedTextField(
+            modifier = Modifier.padding(16.dp).fillMaxWidth(),
+            value = getString("str_template", "User_name", 100),
+            onValueChange = {},
+            label = { Text("Text(getString(\"str_template\", \"User_name\", 100))") },
+            enabled = false,
+            colors = TextFieldDefaults.colors(
+                disabledTextColor = MaterialTheme.colorScheme.onSurface,
+                disabledContainerColor = MaterialTheme.colorScheme.surface,
+                disabledLabelColor = MaterialTheme.colorScheme.onSurface,
+            )
+        )
+        OutlinedTextField(
+            modifier = Modifier.padding(16.dp).fillMaxWidth(),
+            value = getStringArray("str_arr").toString(),
+            onValueChange = {},
+            label = { Text("Text(getStringArray(\"str_arr\").toString())") },
+            enabled = false,
+            colors = TextFieldDefaults.colors(
+                disabledTextColor = MaterialTheme.colorScheme.onSurface,
+                disabledContainerColor = MaterialTheme.colorScheme.surface,
+                disabledLabelColor = MaterialTheme.colorScheme.onSurface,
+            )
+        )
+    }
+}

components/resources/demo/shared/src/commonMain/kotlin/org/jetbrains/compose/resources/demo/shared/UseResources.kt

@@ -1,37 +1,65 @@
 package org.jetbrains.compose.resources.demo.shared
 
-import androidx.compose.foundation.Image
-import androidx.compose.foundation.layout.*
-import androidx.compose.material.Icon
-import androidx.compose.material.Text
+import androidx.compose.foundation.layout.PaddingValues
+import androidx.compose.foundation.layout.fillMaxSize
+import androidx.compose.material.icons.Icons
+import androidx.compose.material.icons.filled.Abc
+import androidx.compose.material.icons.filled.Attachment
+import androidx.compose.material.icons.filled.Image
+import androidx.compose.material.icons.filled.TextFields
+import androidx.compose.material3.Icon
+import androidx.compose.material3.NavigationBar
+import androidx.compose.material3.NavigationBarItem
+import androidx.compose.material3.Scaffold
+import androidx.compose.material3.Text
 import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.Modifier
-import androidx.compose.ui.platform.LocalDensity
-import androidx.compose.ui.unit.dp
-import org.jetbrains.compose.resources.*
 
-@OptIn(ExperimentalResourceApi::class)
+enum class Screens(val content: @Composable (contentPadding: PaddingValues) -> Unit) {
+    Images({ ImagesRes(it) }),
+    Strings({ StringRes(it) }),
+    Font({ FontRes(it) }),
+    File({ FileRes(it) }),
+}
+
 @Composable
 internal fun UseResources() {
-    Column {
-        Text("Hello, resources")
-        Image(
-            bitmap = resource("dir/img.png").rememberImageBitmap().orEmpty(),
-            contentDescription = null,
+    var screen by remember { mutableStateOf(Screens.Images) }
+
+    Scaffold(
+        modifier = Modifier.fillMaxSize(),
+        content = { screen.content(it) },
+        bottomBar = {
+            NavigationBar {
+                NavigationBarItem(
+                    selected = screen == Screens.Images,
+                    onClick = { screen = Screens.Images },
+                    icon = { Icon(imageVector = Icons.Default.Image, contentDescription = null) },
+                    label = { Text("Images") }
                 )
-        Image(
-            bitmap = resource("img.webp").rememberImageBitmap().orEmpty(),
-            contentDescription = null,
+                NavigationBarItem(
+                    selected = screen == Screens.Strings,
+                    onClick = { screen = Screens.Strings },
+                    icon = { Icon(imageVector = Icons.Default.Abc, contentDescription = null) },
+                    label = { Text("Strings") }
                 )
-        Icon(
-            imageVector = resource("vector.xml").rememberImageVector(LocalDensity.current).orEmpty(),
-            modifier = Modifier.size(150.dp),
-            contentDescription = null
+                NavigationBarItem(
+                    selected = screen == Screens.Font,
+                    onClick = { screen = Screens.Font },
+                    icon = { Icon(imageVector = Icons.Default.TextFields, contentDescription = null) },
+                    label = { Text("Fonts") }
                 )
-        Icon(
-            painter = painterResource("dir/vector.xml"),
-            modifier = Modifier.size(150.dp),
-            contentDescription = null
+                NavigationBarItem(
+                    selected = screen == Screens.File,
+                    onClick = { screen = Screens.File },
+                    icon = { Icon(imageVector = Icons.Default.Attachment, contentDescription = null) },
+                    label = { Text("Files") }
                 )
             }
+        }
+    )
 }

components/resources/demo/shared/src/commonMain/resources/strings.xml

@@ -0,0 +1,13 @@
+<resources>
+    <string name="app_name">Compose Resources App</string>
+    <string name="hello">😊 Hello world!</string>
+    <string name="multi_line">Lorem ipsum dolor sit amet,
+        consectetur adipiscing elit.
+        Donec eget turpis ac sem ultricies consequat.</string>
+    <string name="str_template">Hello, %1$s! You have %2$d new messages.</string>
+    <string-array name="str_arr">
+        <item>item 1</item>
+        <item>item 2</item>
+        <item>item 3</item>
+    </string-array>
+</resources>

components/resources/demo/shared/src/desktopMain/kotlin/org/jetbrains/compose/resources/demo/shared/main.desktop.kt

@@ -6,6 +6,7 @@
 package org.jetbrains.compose.resources.demo.shared
 
 import androidx.compose.desktop.ui.tooling.preview.Preview
+import androidx.compose.foundation.layout.PaddingValues
 import androidx.compose.runtime.Composable
 
 @Composable
@@ -15,6 +16,18 @@ fun MainView() {
 
 @Preview
 @Composable
-fun Preview() {
+fun MainViewPreview() {
     MainView()
 }
+
+@Preview
+@Composable
+fun ImagesResPreview() {
+    ImagesRes(PaddingValues())
+}
+
+@Preview
+@Composable
+fun FileResPreview() {
+    FileRes(PaddingValues())
+}

components/resources/demo/shared/src/iosMain/kotlin/main.ios.kt

@@ -3,21 +3,9 @@
  * Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE.txt file.
  */
 
-import androidx.compose.foundation.layout.Box
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.height
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.unit.dp
 import androidx.compose.ui.window.ComposeUIViewController
 import org.jetbrains.compose.resources.demo.shared.UseResources
 
-fun MainViewController() =
-    ComposeUIViewController {
-        Column {
-            Box(
-                modifier = Modifier
-                    .height(100.dp)
-            )
+fun MainViewController() = ComposeUIViewController {
     UseResources()
-        }
-    }
+}

components/resources/demo/shared/src/jsMain/kotlin/main.js.kt

@@ -3,39 +3,23 @@
  * Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE.txt file.
  */
 
-import androidx.compose.foundation.layout.Column
-import androidx.compose.foundation.layout.Spacer
-import androidx.compose.foundation.layout.fillMaxSize
-import androidx.compose.foundation.layout.height
-import androidx.compose.runtime.Composable
-import androidx.compose.ui.Modifier
-import androidx.compose.ui.unit.dp
-import androidx.compose.ui.window.Window
+import androidx.compose.ui.ExperimentalComposeUiApi
+import androidx.compose.ui.window.CanvasBasedWindow
 import org.jetbrains.compose.resources.ExperimentalResourceApi
 import org.jetbrains.compose.resources.configureWebResources
 import org.jetbrains.compose.resources.demo.shared.UseResources
-import org.jetbrains.compose.resources.urlResource
 import org.jetbrains.skiko.wasm.onWasmReady
 
 
+@OptIn(ExperimentalComposeUiApi::class, ExperimentalResourceApi::class)
 fun main() {
-
-    @OptIn(ExperimentalResourceApi::class)
     configureWebResources {
         // Not necessary - It's the same as the default. We add it here just to present this feature.
-        setResourceFactory { urlResource("./$it") }
+        resourcePathMapping { path -> "./$path" }
     }
     onWasmReady {
-        Window("Resources demo") {
-            MainView()
-        }
-    }
-}
-
-@Composable
-fun MainView() {
-    Column(modifier = Modifier.fillMaxSize()) {
-        Spacer(modifier = Modifier.height(24.dp))
+        CanvasBasedWindow("Resources demo") {
             UseResources()
         }
+    }
 }

components/resources/demo/shared/src/jsMain/resources/index.html

@@ -2,15 +2,13 @@
 <html lang="en">
 <head>
     <meta charset="UTF-8">
-    <title>compose multiplatform web demo</title>
-    <script src="skiko.js"> </script>
-    <link type="text/css" rel="stylesheet" href="styles.css" />
+    <title>compose resources web demo</title>
+    <script src="skiko.js"></script>
 </head>
 <body>
-    <h1>compose multiplatform web demo</h1>
-    <div>
+<div>
     <canvas id="ComposeTarget" width="800" height="600"></canvas>
-    </div>
-    <script src="shared.js"> </script>
+</div>
+<script src="shared.js"></script>
 </body>
 </html>

components/resources/demo/shared/src/jsMain/resources/styles.css

@@ -1,8 +0,0 @@
-#root {
-    width: 100%;
-    height: 100vh;
-}
-
-#root > .compose-web-column > div {
-    position: relative;
-}

components/resources/library/build.gradle.kts

@@ -39,13 +39,23 @@ kotlin {
             languageSettings {
                 optIn("kotlin.RequiresOptIn")
                 optIn("kotlinx.cinterop.ExperimentalForeignApi")
+                optIn("kotlin.experimental.ExperimentalNativeApi")
             }
         }
 
+        //          common
+        //       ┌────┴────┐
+        //    skiko       blocking
+        //      │      ┌─────┴────────┐
+        //  ┌───┴───┬──│────────┐     │
+        //  │      native       │ jvmAndAndroid
+        //  │    ┌───┴───┐      │   ┌───┴───┐
+        // js   ios    macos   desktop    android
+
         val commonMain by getting {
             dependencies {
-                implementation("org.jetbrains.compose.runtime:runtime:$composeVersion")
-                implementation("org.jetbrains.compose.foundation:foundation:$composeVersion")
+                implementation(compose.runtime)
+                implementation(compose.foundation)
                 implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.3")
             }
         }
@@ -55,10 +65,10 @@ kotlin {
                 implementation(kotlin("test"))
             }
         }
-        val commonButJSMain by creating {
+        val blockingMain by creating {
             dependsOn(commonMain)
         }
-        val commonButJSTest by creating {
+        val blockingTest by creating {
             dependsOn(commonTest)
         }
         val skikoMain by creating {
@@ -68,20 +78,21 @@ kotlin {
             dependsOn(commonTest)
         }
         val jvmAndAndroidMain by creating {
-            dependsOn(commonMain)
+            dependsOn(blockingMain)
+            dependencies {
+                implementation(compose.material3)
+            }
         }
         val jvmAndAndroidTest by creating {
-            dependsOn(commonTest)
+            dependsOn(blockingTest)
         }
         val desktopMain by getting {
             dependsOn(skikoMain)
             dependsOn(jvmAndAndroidMain)
-            dependsOn(commonButJSMain)
         }
         val desktopTest by getting {
             dependsOn(skikoTest)
             dependsOn(jvmAndAndroidTest)
-            dependsOn(commonButJSTest)
             dependencies {
                 implementation(compose.desktop.currentOs)
                 implementation("org.jetbrains.compose.ui:ui-test-junit4:$composeVersion")
@@ -90,34 +101,32 @@ kotlin {
         }
         val androidMain by getting {
             dependsOn(jvmAndAndroidMain)
-            dependsOn(commonButJSMain)
         }
         val androidInstrumentedTest by getting {
-            dependsOn(commonTest)
             dependsOn(jvmAndAndroidTest)
-            dependsOn(commonButJSTest)
+            dependencies {
+                implementation("androidx.test:core:1.5.0")
+                implementation("androidx.compose.ui:ui-test-manifest:1.5.4")
+                implementation("androidx.compose.ui:ui-test:1.5.4")
+                implementation("androidx.compose.ui:ui-test-junit4:1.5.4")
             }
-        val iosMain by getting {
-            dependsOn(skikoMain)
-            dependsOn(commonButJSMain)
         }
-        val iosTest by getting {
-            dependsOn(skikoTest)
-            dependsOn(commonButJSTest)
+        val androidUnitTest by getting {
+            dependsOn(jvmAndAndroidTest)
         }
-        val jsMain by getting {
+        val nativeMain by getting {
             dependsOn(skikoMain)
+            dependsOn(blockingMain)
         }
-        val jsTest by getting {
+        val nativeTest by getting {
             dependsOn(skikoTest)
+            dependsOn(blockingTest)
         }
-        val macosMain by getting {
+        val jsMain by getting {
             dependsOn(skikoMain)
-            dependsOn(commonButJSMain)
         }
-        val macosTest by getting {
+        val jsTest by getting {
             dependsOn(skikoTest)
-            dependsOn(commonButJSTest)
         }
     }
 }
@@ -145,12 +154,13 @@ android {
             }
         }
     }
-    dependencies {
-        //Android integration tests
-        testImplementation("androidx.test:core:1.5.0")
-        androidTestImplementation("androidx.compose.ui:ui-test-manifest:1.5.3")
-        androidTestImplementation("androidx.compose.ui:ui-test:1.5.3")
-        androidTestImplementation("androidx.compose.ui:ui-test-junit4:1.5.3")
+    sourceSets {
+        val commonTestResources = "src/commonTest/resources"
+        named("androidTest") {
+            resources.srcDir(commonTestResources)
+            assets.srcDir("src/androidInstrumentedTest/assets")
+        }
+        named("test") { resources.srcDir(commonTestResources) }
     }
 }
 

components/resources/library/src/androidInstrumentedTest/kotlin/org/jetbrains/compose/resources/ComposeResourceTest.android.kt

@@ -0,0 +1,107 @@
+package org.jetbrains.compose.resources
+
+import androidx.compose.foundation.Image
+import androidx.compose.material3.Text
+import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.test.ExperimentalTestApi
+import androidx.compose.ui.test.runComposeUiTest
+import kotlinx.coroutines.flow.MutableStateFlow
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+import kotlin.test.assertEquals
+
+@OptIn(ExperimentalResourceApi::class, ExperimentalTestApi::class)
+class ComposeResourceTest {
+
+    @Before
+    fun dropCaches() {
+        dropStringsCache()
+        dropImageCache()
+    }
+
+    @Test
+    fun testCountRecompositions() = runComposeUiTest {
+        runBlockingTest {
+            val imagePathFlow = MutableStateFlow("1.png")
+            val recompositionsCounter = RecompositionsCounter()
+            setContent {
+                val path by imagePathFlow.collectAsState()
+                val res = imageResource(path)
+                recompositionsCounter.content {
+                    Image(bitmap = res, contentDescription = null)
+                }
+            }
+            awaitIdle()
+            imagePathFlow.emit("2.png")
+            awaitIdle()
+            assertEquals(2, recompositionsCounter.count)
+        }
+    }
+
+    @Test
+    fun testImageResourceCache() = runComposeUiTest {
+        runBlockingTest {
+            val testResourceReader = TestResourceReader()
+            val imagePathFlow = MutableStateFlow("1.png")
+            setContent {
+                CompositionLocalProvider(LocalResourceReader provides testResourceReader) {
+                    val path by imagePathFlow.collectAsState()
+                    Image(painterResource(path), null)
+                }
+            }
+            awaitIdle()
+            imagePathFlow.emit("2.png")
+            awaitIdle()
+            imagePathFlow.emit("1.png")
+            awaitIdle()
+
+            assertEquals(
+                expected = listOf("1.png", "2.png"), //no second read of 1.png
+                actual = testResourceReader.readPaths
+            )
+        }
+    }
+
+    @Test
+    fun testStringResourceCache() = runComposeUiTest {
+        runBlockingTest {
+            val testResourceReader = TestResourceReader()
+            val stringIdFlow = MutableStateFlow("app_name")
+            setContent {
+                CompositionLocalProvider(LocalResourceReader provides testResourceReader) {
+                    val textId by stringIdFlow.collectAsState()
+                    Text(getString(textId))
+                    Text(getStringArray("str_arr").joinToString())
+                }
+            }
+            awaitIdle()
+            stringIdFlow.emit("hello")
+            awaitIdle()
+            stringIdFlow.emit("app_name")
+            awaitIdle()
+
+            assertEquals(
+                expected = listOf("strings.xml"), //just one string.xml read
+                actual = testResourceReader.readPaths
+            )
+        }
+    }
+
+    @Test
+    fun testReadStringResource() = runComposeUiTest {
+        runBlockingTest {
+            setContent {
+                assertEquals("Compose Resources App", getString("app_name"))
+                assertEquals(
+                    "Hello, test-name! You have 42 new messages.",
+                    getString("str_template", "test-name", 42)
+                )
+                assertEquals(listOf("item 1", "item 2", "item 3"), getStringArray("str_arr"))
+            }
+            awaitIdle()
+        }
+    }
+}

components/resources/library/src/androidInstrumentedTest/kotlin/org/jetbrains/compose/resources/ComposeResourceTest.kt

@@ -1,61 +0,0 @@
-package org.jetbrains.compose.resources
-
-import androidx.compose.foundation.Image
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.collectAsState
-import androidx.compose.runtime.getValue
-import androidx.compose.ui.graphics.ImageBitmap
-import androidx.compose.ui.test.junit4.createComposeRule
-import kotlinx.coroutines.ExperimentalCoroutinesApi
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.test.UnconfinedTestDispatcher
-import kotlinx.coroutines.test.runTest
-import org.junit.Assert.assertEquals
-import org.junit.Rule
-import org.junit.Test
-
-@OptIn(ExperimentalResourceApi::class, ExperimentalCoroutinesApi::class)
-class ComposeResourceTest {
-
-    @get:Rule
-    val rule = createComposeRule()
-
-    @Test
-    fun testMissingResource() = runTest (UnconfinedTestDispatcher()) {
-        var recompositionCount = 0
-        rule.setContent {
-            CountRecompositions(resource("missing.png").rememberImageBitmap().orEmpty()) {
-                recompositionCount++
-            }
-        }
-        rule.awaitIdle()
-        assertEquals(2, recompositionCount)
-    }
-
-    @Test
-    fun testCountRecompositions() = runTest (UnconfinedTestDispatcher()) {
-        val mutableStateFlow = MutableStateFlow(true)
-        var recompositionCount = 0
-        rule.setContent {
-            val state: Boolean by mutableStateFlow.collectAsState(true)
-            val resource = resource(if (state) "1.png" else "2.png")
-            CountRecompositions(resource.rememberImageBitmap().orEmpty()) {
-                recompositionCount++
-            }
-        }
-        rule.awaitIdle()
-        mutableStateFlow.value = false
-        rule.awaitIdle()
-        assertEquals(4, recompositionCount)
-    }
-
-}
-
-@Composable
-private fun CountRecompositions(imageBitmap: ImageBitmap?, onRecomposition: () -> Unit) {
-    onRecomposition()
-    if (imageBitmap != null) {
-        Image(bitmap = imageBitmap, contentDescription = null)
-    }
-}

components/resources/library/src/androidMain/kotlin/org/jetbrains/compose/resources/ComposableResource.android.kt

@@ -1,18 +0,0 @@
-/*
- * Copyright 2020-2022 JetBrains s.r.o. and respective authors and developers.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE.txt file.
- */
-
-package org.jetbrains.compose.resources
-
-import android.graphics.Bitmap
-import android.graphics.BitmapFactory
-import androidx.compose.ui.graphics.ImageBitmap
-import androidx.compose.ui.graphics.asImageBitmap
-
-@ExperimentalResourceApi
-internal actual fun ByteArray.toImageBitmap(): ImageBitmap = toAndroidBitmap().asImageBitmap()
-
-private fun ByteArray.toAndroidBitmap(): Bitmap {
-    return BitmapFactory.decodeByteArray(this, 0, size);
-}

components/resources/library/src/androidMain/kotlin/org/jetbrains/compose/resources/FontResources.android.kt

@@ -0,0 +1,15 @@
+package org.jetbrains.compose.resources
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.platform.LocalContext
+import androidx.compose.ui.text.font.Font
+import androidx.compose.ui.text.font.FontStyle
+import androidx.compose.ui.text.font.FontWeight
+
+@ExperimentalResourceApi
+@Composable
+actual fun Font(id: ResourceId, weight: FontWeight, style: FontStyle): Font {
+    val path by rememberState(id, { "" }) { getPathById(id) }
+    return Font(path, LocalContext.current.assets, weight, style)
+}

components/resources/library/src/androidMain/kotlin/org/jetbrains/compose/resources/ImageResources.android.kt

@@ -0,0 +1,8 @@
+package org.jetbrains.compose.resources
+
+import android.graphics.BitmapFactory
+import androidx.compose.ui.graphics.ImageBitmap
+import androidx.compose.ui.graphics.asImageBitmap
+
+internal actual fun ByteArray.toImageBitmap(): ImageBitmap =
+    BitmapFactory.decodeByteArray(this, 0, size).asImageBitmap()

components/resources/library/src/androidMain/kotlin/org/jetbrains/compose/resources/Resource.android.kt

@@ -1,27 +0,0 @@
-/*
- * Copyright 2020-2022 JetBrains s.r.o. and respective authors and developers.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE.txt file.
- */
-
-package org.jetbrains.compose.resources
-
-import java.io.IOException
-
-@ExperimentalResourceApi
-actual fun resource(path: String): Resource = AndroidResourceImpl(path)
-
-@ExperimentalResourceApi
-private class AndroidResourceImpl(path: String) : AbstractResourceImpl(path) {
-    override suspend fun readBytes(): ByteArray {
-        val classLoader = Thread.currentThread().contextClassLoader ?: (::AndroidResourceImpl.javaClass.classLoader)
-        val resource = classLoader.getResourceAsStream(path)
-        if (resource != null) {
-            return resource.readBytes()
-        } else {
-            throw MissingResourceException(path)
-        }
-    }
-}
-
-internal actual class MissingResourceException actual constructor(path: String) :
-    IOException("Missing resource with path: $path")

components/resources/library/src/blockingMain/kotlin/org/jetbrains/compose/resources/PlatformState.blocking.kt

@@ -0,0 +1,14 @@
+package org.jetbrains.compose.resources
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.State
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+import kotlinx.coroutines.runBlocking
+
+@Composable
+internal actual fun <T> rememberState(key: Any, getDefault: () -> T, block: suspend () -> T): State<T> = remember(key) {
+    mutableStateOf(
+        runBlocking { block() }
+    )
+}

components/resources/library/src/blockingMain/kotlin/org/jetbrains/compose/resources/Resource.blocking.kt

@@ -0,0 +1,9 @@
+package org.jetbrains.compose.resources
+
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.DelicateCoroutinesApi
+import kotlinx.coroutines.ExperimentalCoroutinesApi
+import kotlinx.coroutines.newSingleThreadContext
+
+@OptIn(ExperimentalCoroutinesApi::class, DelicateCoroutinesApi::class)
+internal actual val cacheDispatcher: CoroutineDispatcher = newSingleThreadContext("resources_cache_ctx")

components/resources/library/src/blockingTest/kotlin/org/jetbrains/compose/resources/TestUtils.blocking.kt

@@ -0,0 +1,6 @@
+package org.jetbrains.compose.resources
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.runBlocking
+
+actual fun runBlockingTest(block: suspend CoroutineScope.() -> Unit) = runBlocking(block = block)

components/resources/library/src/commonButJSMain/kotlin/org/jetbrains/compose/resources/Resource.commonbutjs.kt

@@ -1,14 +0,0 @@
-/*
- * Copyright 2020-2022 JetBrains s.r.o. and respective authors and developers.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE.txt file.
- */
-
-package org.jetbrains.compose.resources
-
-import kotlinx.coroutines.runBlocking
-
-internal actual fun isSyncResourceLoadingSupported() = true
-
-@OptIn(ExperimentalResourceApi::class)
-internal actual fun Resource.readBytesSync(): ByteArray = runBlocking { readBytes() }
-

components/resources/library/src/commonMain/kotlin/org/jetbrains/compose/resources/ComposeResource.common.kt

@@ -1,135 +0,0 @@
-/*
- * Copyright 2020-2022 JetBrains s.r.o. and respective authors and developers.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE.txt file.
- */
-
-package org.jetbrains.compose.resources
-
-import androidx.compose.runtime.*
-import androidx.compose.ui.graphics.ImageBitmap
-import androidx.compose.ui.graphics.painter.BitmapPainter
-import androidx.compose.ui.graphics.painter.Painter
-import androidx.compose.ui.graphics.vector.ImageVector
-import androidx.compose.ui.graphics.vector.rememberVectorPainter
-import androidx.compose.ui.platform.LocalDensity
-import androidx.compose.ui.unit.Density
-import org.jetbrains.compose.resources.vector.xmldom.Element
-import org.jetbrains.compose.resources.vector.parseVectorRoot
-import androidx.compose.ui.unit.dp
-
-private val emptyImageBitmap: ImageBitmap by lazy { ImageBitmap(1, 1) }
-
-private val emptyImageVector: ImageVector by lazy {
-    ImageVector.Builder(defaultWidth = 1.dp, defaultHeight = 1.dp, viewportWidth = 1f, viewportHeight = 1f).build()
-}
-
-/**
- * Get and remember resource. While loading and if resource not exists result will be null.
- */
-@ExperimentalResourceApi
-@Composable
-fun Resource.rememberImageBitmap(): LoadState<ImageBitmap> {
-    val state: MutableState<LoadState<ImageBitmap>> = remember(this) { mutableStateOf(LoadState.Loading()) }
-    LaunchedEffect(this) {
-        state.value = try {
-            LoadState.Success(readBytes().toImageBitmap())
-        } catch (e: Exception) {
-            LoadState.Error(e)
-        }
-    }
-    return state.value
-}
-
-/**
- * Get and remember resource. While loading and if resource not exists result will be null.
- */
-@ExperimentalResourceApi
-@Composable
-fun Resource.rememberImageVector(density: Density): LoadState<ImageVector> {
-    val state: MutableState<LoadState<ImageVector>> = remember(this, density) { mutableStateOf(LoadState.Loading()) }
-    LaunchedEffect(this, density) {
-        state.value = try {
-            LoadState.Success(readBytes().toImageVector(density))
-        } catch (e: Exception) {
-            LoadState.Error(e)
-        }
-    }
-    return state.value
-}
-
-private fun <T> LoadState<T>.orEmpty(emptyValue: T): T = when (this) {
-    is LoadState.Loading -> emptyValue
-    is LoadState.Success -> this.value
-    is LoadState.Error -> emptyValue
-}
-
-/**
- * Return current ImageBitmap or return empty while loading.
- */
-@ExperimentalResourceApi
-fun LoadState<ImageBitmap>.orEmpty(): ImageBitmap = orEmpty(emptyImageBitmap)
-
-/**
- * Return current ImageVector or return empty while loading.
- */
-@ExperimentalResourceApi
-fun LoadState<ImageVector>.orEmpty(): ImageVector = orEmpty(emptyImageVector)
-
-
-@OptIn(ExperimentalResourceApi::class)
-@Composable
-private fun Resource.rememberImageBitmapSync(): ImageBitmap = remember(this) {
-    readBytesSync().toImageBitmap()
-}
-
-@OptIn(ExperimentalResourceApi::class)
-@Composable
-private fun Resource.rememberImageVectorSync(density: Density): ImageVector = remember(this, density) {
-    readBytesSync().toImageVector(density)
-}
-
-
-@OptIn(ExperimentalResourceApi::class)
-@Composable
-private fun painterResource(
-    res: String,
-    rememberImageBitmap: @Composable Resource.() -> ImageBitmap,
-    rememberImageVector: @Composable Resource.(Density) -> ImageVector
-): Painter =
-    if (res.endsWith(".xml")) {
-        rememberVectorPainter(resource(res).rememberImageVector(LocalDensity.current))
-    } else {
-        BitmapPainter(resource(res).rememberImageBitmap())
-    }
-
-/**
- * Return a Painter from the given resource path.
- * Can load either a BitmapPainter for rasterized images (.png, .jpg) or
- * a VectorPainter for XML Vector Drawables (.xml).
- *
- * XML Vector Drawables have the same format as for Android
- * (https://developer.android.com/reference/android/graphics/drawable/VectorDrawable)
- * except that external references to Android resources are not supported.
- *
- * Note that XML Vector Drawables are not supported for Web target currently.
- */
-@ExperimentalResourceApi
-@Composable
-fun painterResource(res: String): Painter =
-    if (isSyncResourceLoadingSupported()) {
-        painterResource(res, {rememberImageBitmapSync()}, {density->rememberImageVectorSync(density)})
-    } else {
-        painterResource(res, {rememberImageBitmap().orEmpty()}, {density->rememberImageVector(density).orEmpty()})
-    }
-
-
-internal expect fun isSyncResourceLoadingSupported(): Boolean
-
-@OptIn(ExperimentalResourceApi::class)
-internal expect fun Resource.readBytesSync(): ByteArray
-
-internal expect fun ByteArray.toImageBitmap(): ImageBitmap
-
-internal expect fun parseXML(byteArray: ByteArray): Element
-
-internal fun ByteArray.toImageVector(density: Density): ImageVector = parseXML(this).parseVectorRoot(density)

components/resources/library/src/commonMain/kotlin/org/jetbrains/compose/resources/ExperimentalResourceApi.kt

@@ -1,9 +0,0 @@
-/*
- * Copyright 2020-2022 JetBrains s.r.o. and respective authors and developers.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE.txt file.
- */
-
-package org.jetbrains.compose.resources
-
-@RequiresOptIn("This API is experimental and is likely to change in the future.")
-annotation class ExperimentalResourceApi

components/resources/library/src/commonMain/kotlin/org/jetbrains/compose/resources/FontResources.kt

@@ -0,0 +1,25 @@
+package org.jetbrains.compose.resources
+
+import androidx.compose.runtime.Composable
+import androidx.compose.ui.text.font.Font
+import androidx.compose.ui.text.font.FontStyle
+import androidx.compose.ui.text.font.FontWeight
+
+/**
+ * Creates a font with the specified resource ID, weight, and style.
+ *
+ * @param id The resource ID of the font.
+ * @param weight The weight of the font. Default value is [FontWeight.Normal].
+ * @param style The style of the font. Default value is [FontStyle.Normal].
+ *
+ * @return The created [Font] object.
+ *
+ * @throws NotFoundException if the specified resource ID is not found.
+ */
+@ExperimentalResourceApi
+@Composable
+expect fun Font(
+    id: ResourceId,
+    weight: FontWeight = FontWeight.Normal,
+    style: FontStyle = FontStyle.Normal
+): Font

components/resources/library/src/commonMain/kotlin/org/jetbrains/compose/resources/ImageResources.kt

@@ -0,0 +1,101 @@
+package org.jetbrains.compose.resources
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.graphics.ImageBitmap
+import androidx.compose.ui.graphics.painter.BitmapPainter
+import androidx.compose.ui.graphics.painter.Painter
+import androidx.compose.ui.graphics.vector.ImageVector
+import androidx.compose.ui.graphics.vector.rememberVectorPainter
+import androidx.compose.ui.platform.LocalDensity
+import androidx.compose.ui.unit.dp
+import org.jetbrains.compose.resources.vector.toImageVector
+import org.jetbrains.compose.resources.vector.xmldom.Element
+
+
+/**
+ * Retrieves a [Painter] for the given [ResourceId].
+ * Automatically select a type of the Painter depending on the file extension.
+ *
+ * @param id The ID of the resource to retrieve the [Painter] from.
+ * @return The [Painter] loaded from the resource.
+ */
+@ExperimentalResourceApi
+@Composable
+fun painterResource(id: ResourceId): Painter {
+    val filePath by rememberFilePath(id)
+    val isXml = filePath.endsWith(".xml", true)
+    if (isXml) {
+        return rememberVectorPainter(vectorResource(id))
+    } else {
+        return BitmapPainter(imageResource(id))
+    }
+}
+
+private val emptyImageBitmap: ImageBitmap by lazy { ImageBitmap(1, 1) }
+
+/**
+ * Retrieves an ImageBitmap for the given resource ID.
+ *
+ * @param id The ID of the resource to load the ImageBitmap from.
+ * @return The ImageBitmap loaded from the resource.
+ */
+@ExperimentalResourceApi
+@Composable
+fun imageResource(id: ResourceId): ImageBitmap {
+    val resourceReader = LocalResourceReader.current
+    val imageBitmap by rememberState(id, { emptyImageBitmap }) {
+        val path = getPathById(id)
+        val cached = loadImage(path, resourceReader) {
+            ImageCache.Bitmap(it.toImageBitmap())
+        } as ImageCache.Bitmap
+        cached.bitmap
+    }
+    return imageBitmap
+}
+
+private val emptyImageVector: ImageVector by lazy {
+    ImageVector.Builder("emptyImageVector", 1.dp, 1.dp, 1f, 1f).build()
+}
+
+/**
+ * Retrieves an ImageVector for the given resource ID.
+ *
+ * @param id The ID of the resource to load the ImageVector from.
+ * @return The ImageVector loaded from the resource.
+ */
+@ExperimentalResourceApi
+@Composable
+fun vectorResource(id: ResourceId): ImageVector {
+    val resourceReader = LocalResourceReader.current
+    val density = LocalDensity.current
+    val imageVector by rememberState(id, { emptyImageVector }) {
+        val path = getPathById(id)
+        val cached = loadImage(path, resourceReader) {
+            ImageCache.Vector(it.toXmlElement().toImageVector(density))
+        } as ImageCache.Vector
+        cached.vector
+    }
+    return imageVector
+}
+
+internal expect fun ByteArray.toImageBitmap(): ImageBitmap
+internal expect fun ByteArray.toXmlElement(): Element
+
+private sealed interface ImageCache {
+    class Bitmap(val bitmap: ImageBitmap) : ImageCache
+    class Vector(val vector: ImageVector) : ImageCache
+}
+
+private val imageCache = mutableMapOf<String, ImageCache>()
+
+//@TestOnly
+internal fun dropImageCache() {
+    imageCache.clear()
+}
+
+private suspend fun loadImage(
+    path: String,
+    resourceReader: ResourceReader,
+    decode: (ByteArray) -> ImageCache
+): ImageCache = imageCache.getOrPut(path) { decode(resourceReader.read(path)) }

components/resources/library/src/commonMain/kotlin/org/jetbrains/compose/resources/LoadState.kt

@@ -1,114 +0,0 @@
-package org.jetbrains.compose.resources
-
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.LaunchedEffect
-import androidx.compose.runtime.mutableStateOf
-import androidx.compose.runtime.remember
-import androidx.compose.runtime.getValue
-import androidx.compose.runtime.setValue
-
-/**
- * Represents the load state of [T].
- */
-sealed class LoadState<T> {
-    class Loading<T> : LoadState<T>()
-    data class Success<T>(val value: T) : LoadState<T>()
-    data class Error<T>(val exception: Exception) : LoadState<T>()
-}
-
-
-/**
- * Load an item with type [T] asynchronously, and notify the caller about the load state.
- * Whenever the load state changes (for example it succeeds or fails), the caller will be recomposed with the new state.
- * The load will be cancelled when the [load] leaves the composition.
- */
-@Composable
-fun <T> load(load: suspend () -> T): LoadState<T> {
-    return load(Unit, load)
-}
-
-/**
- * Load an item with type [T] asynchronously. Returns null while loading or if the load has failed.
- * Whenever the result changes, the caller will be recomposed with the new value.
- * The load will be cancelled when the [loadOrNull] leaves the composition.
- */
-@Composable
-fun <T: Any> loadOrNull(load: suspend () -> T): T? {
-    return loadOrNull(Unit, load)
-}
-
-
-/**
- * Load an item with type [T] asynchronously, and notify the caller about the load state.
- * Whenever the load state changes (for example it succeeds or fails), the caller will be recomposed with the new state.
- * The load will be cancelled and re-launched when [load] is recomposed with a different [key1].
- * The load will be cancelled when the [load] leaves the composition.
- */
-@Composable
-fun <T> load(key1: Any?, load: suspend () -> T): LoadState<T> {
-    return load(key1, Unit, load)
-}
-
-/**
- * Load an item with type [T] asynchronously. Returns null while loading or if the load has failed.
- * Whenever the result changes, the caller will be recomposed with the new value.
- * The load will be cancelled and re-launched when [loadOrNull] is recomposed with a different [key1].
- * The load will be cancelled when the [loadOrNull] leaves the composition.
- */
-@Composable
-fun <T: Any> loadOrNull(key1: Any?, load: suspend () -> T): T? {
-    return loadOrNull(key1, Unit, load)
-}
-
-/**
- * Load an item with type [T] asynchronously, and notify the caller about the load state.
- * Whenever the load state changes (for example it succeeds or fails), the caller will be recomposed with the new state.
- * The load will be cancelled and re-launched when [load] is recomposed with a different [key1] or [key2].
- * The load will be cancelled when the [load] leaves the composition.
- */
-@Composable
-fun <T> load(key1: Any?, key2: Any?, load: suspend () -> T): LoadState<T> {
-    return load(key1, key2, Unit, load)
-}
-
-/**
- * Load an item with type [T] asynchronously. Returns null while loading or if the load has failed.
- * Whenever the result changes, the caller will be recomposed with the new value.
- * The load will be cancelled and re-launched when [loadOrNull] is recomposed with a different [key1] or [key2].
- * The load will be cancelled when the [loadOrNull] leaves the composition.
- */
-@Composable
-fun <T: Any> loadOrNull(key1: Any?, key2: Any?, load: suspend () -> T): T? {
-    return loadOrNull(key1, key2, Unit, load)
-}
-
-/**
- * Load an item with type [T] asynchronously, and notify the caller about the load state.
- * Whenever the load state changes (for example it succeeds or fails), the caller will be recomposed with the new state.
- * The load will be cancelled and re-launched when [load] is recomposed with a different [key1], [key2] or [key3].
- * The load will be cancelled when the [load] leaves the composition.
- */
-@Composable
-fun <T> load(key1: Any?, key2: Any?, key3: Any?, load: suspend () -> T): LoadState<T> {
-    var state: LoadState<T> by remember(key1, key2, key3) { mutableStateOf(LoadState.Loading()) }
-    LaunchedEffect(key1, key2, key3) {
-        state = try {
-            LoadState.Success(load())
-        } catch (e: Exception) {
-            LoadState.Error(e)
-        }
-    }
-    return state
-}
-
-/**
- * Load an item with type [T] asynchronously. Returns null while loading or if the load has failed..
- * Whenever the result changes, the caller will be recomposed with the new value.
- * The load will be cancelled and re-launched when [loadOrNull] is recomposed with a different [key1], [key2] or [key3].
- * The load will be cancelled when the [loadOrNull] leaves the composition.
- */
-@Composable
-fun <T: Any> loadOrNull(key1: Any?, key2: Any?, key3: Any?, load: suspend () -> T): T? {
-    val state = load(key1, key2, key3, load)
-    return (state as? LoadState.Success<T>)?.value
-}

components/resources/library/src/commonMain/kotlin/org/jetbrains/compose/resources/PlatformState.kt

@@ -0,0 +1,16 @@
+package org.jetbrains.compose.resources
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.State
+
+/**
+ * This is a platform-specific function that calculates and remembers a state.
+ * For all platforms except a JS it is a blocking function.
+ * On the JS platform it loads the state asynchronously and uses `getDefault` as an initial state value.
+ */
+@Composable
+internal expect fun <T> rememberState(
+    key: Any,
+    getDefault: () -> T,
+    block: suspend () -> T
+): State<T>

components/resources/library/src/commonMain/kotlin/org/jetbrains/compose/resources/Resource.common.kt

@@ -1,38 +0,0 @@
-/*
- * Copyright 2020-2022 JetBrains s.r.o. and respective authors and developers.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE.txt file.
- */
-
-package org.jetbrains.compose.resources
-
-/**
- * Should implement equals() and hashCode()
- */
-@ExperimentalResourceApi
-interface Resource {
-    suspend fun readBytes(): ByteArray //todo in future use streaming
-}
-
-/**
- * Get a resource from <sourceSet>/resources (for example, from commonMain/resources).
- */
-@ExperimentalResourceApi
-expect fun resource(path: String): Resource
-
-internal expect class MissingResourceException(path: String)
-
-@OptIn(ExperimentalResourceApi::class)
-internal abstract class AbstractResourceImpl(val path: String) : Resource {
-    override fun equals(other: Any?): Boolean {
-        if (this === other) return true
-        return if (other is AbstractResourceImpl) {
-            path == other.path
-        } else {
-            false
-        }
-    }
-
-    override fun hashCode(): Int {
-        return path.hashCode()
-    }
-}

components/resources/library/src/commonMain/kotlin/org/jetbrains/compose/resources/Resource.kt

@@ -0,0 +1,10 @@
+package org.jetbrains.compose.resources
+
+import kotlinx.coroutines.CoroutineDispatcher
+
+internal typealias ResourceId = String
+
+@RequiresOptIn("This API is experimental and is likely to change in the future.")
+annotation class ExperimentalResourceApi
+
+internal expect val cacheDispatcher: CoroutineDispatcher

components/resources/library/src/commonMain/kotlin/org/jetbrains/compose/resources/ResourceIndex.kt

@@ -0,0 +1,14 @@
+package org.jetbrains.compose.resources
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.State
+
+//TODO Here will be logic to map a static ID to a file path in resources dir
+//at the moment ID = file path
+internal suspend fun getPathById(id: ResourceId): String = id
+
+@Composable
+internal fun rememberFilePath(id: ResourceId): State<String> =
+    rememberState(id, { "" }) { getPathById(id) }
+
+internal val ResourceId.stringKey get() = this

components/resources/library/src/commonMain/kotlin/org/jetbrains/compose/resources/ResourceReader.kt

@@ -0,0 +1,27 @@
+package org.jetbrains.compose.resources
+
+import androidx.compose.runtime.staticCompositionLocalOf
+
+@ExperimentalResourceApi
+class MissingResourceException(path: String) : Exception("Missing resource with path: $path")
+
+/**
+ * Reads the content of the resource file at the specified path and returns it as a byte array.
+ *
+ * @param path The path of the file to read in the resource's directory.
+ * @return The content of the file as a byte array.
+ */
+@ExperimentalResourceApi
+expect suspend fun readResourceBytes(path: String): ByteArray
+
+internal interface ResourceReader {
+    suspend fun read(path: String): ByteArray
+}
+
+internal val DefaultResourceReader: ResourceReader = object : ResourceReader {
+    @OptIn(ExperimentalResourceApi::class)
+    override suspend fun read(path: String): ByteArray = readResourceBytes(path)
+}
+
+//ResourceReader provider will be overridden for tests
+internal val LocalResourceReader = staticCompositionLocalOf { DefaultResourceReader }

components/resources/library/src/commonMain/kotlin/org/jetbrains/compose/resources/StringResources.kt

@@ -0,0 +1,153 @@
+package org.jetbrains.compose.resources
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import kotlinx.coroutines.withContext
+import org.jetbrains.compose.resources.vector.xmldom.Element
+import org.jetbrains.compose.resources.vector.xmldom.NodeList
+
+private const val STRINGS_XML = "strings.xml" //todo
+private val SimpleStringFormatRegex = Regex("""%(\d)\$[ds]""")
+
+private sealed interface StringItem {
+    data class Value(val text: String) : StringItem
+    data class Array(val items: List<String>) : StringItem
+}
+
+private val parsedStringsCache = mutableMapOf<String, Map<String, StringItem>>()
+
+//@TestOnly
+internal fun dropStringsCache() {
+    parsedStringsCache.clear()
+}
+
+private suspend fun getParsedStrings(path: String, resourceReader: ResourceReader): Map<String, StringItem> =
+    withContext(cacheDispatcher) {
+        parsedStringsCache.getOrPut(path) {
+            val nodes = resourceReader.read(path).toXmlElement().childNodes
+            val strings = nodes.getElementsWithName("string").associate { element ->
+                element.getAttribute("name") to StringItem.Value(element.textContent.orEmpty())
+            }
+            val arrays = nodes.getElementsWithName("string-array").associate { arrayElement ->
+                val items = arrayElement.childNodes.getElementsWithName("item").map { element ->
+                    element.textContent.orEmpty()
+                }
+                arrayElement.getAttribute("name") to StringItem.Array(items)
+            }
+            strings + arrays
+        }
+    }
+
+/**
+ * Retrieves a string resource using the provided ID.
+ *
+ * @param id The ID of the string resource to retrieve.
+ * @return The retrieved string resource.
+ *
+ * @throws IllegalArgumentException If the provided ID is not found in the resource file.
+ */
+@ExperimentalResourceApi
+@Composable
+fun getString(id: ResourceId): String {
+    val resourceReader = LocalResourceReader.current
+    val str by rememberState(id, { "" }) { loadString(id, resourceReader) }
+    return str
+}
+
+/**
+ * Loads a string resource using the provided ID.
+ *
+ * @param id The ID of the string resource to load.
+ * @return The loaded string resource.
+ *
+ * @throws IllegalArgumentException If the provided ID is not found in the resource file.
+ */
+@ExperimentalResourceApi
+suspend fun loadString(id: ResourceId): String = loadString(id, DefaultResourceReader)
+
+private suspend fun loadString(id: ResourceId, resourceReader: ResourceReader): String {
+    val nameToValue = getParsedStrings(getPathById(STRINGS_XML), resourceReader)
+    val item = nameToValue[id.stringKey] as? StringItem.Value
+        ?: error("String ID=`${id.stringKey}` is not found!")
+    return item.text
+}
+
+/**
+ * Retrieves a formatted string resource using the provided ID and arguments.
+ *
+ * @param id The ID of the string resource to retrieve.
+ * @param formatArgs The arguments to be inserted into the formatted string.
+ * @return The formatted string resource.
+ *
+ * @throws IllegalArgumentException If the provided ID is not found in the resource file.
+ */
+@ExperimentalResourceApi
+@Composable
+fun getString(id: ResourceId, vararg formatArgs: Any): String {
+    val resourceReader = LocalResourceReader.current
+    val args = formatArgs.map { it.toString() }
+    val str by rememberState(id, { "" }) { loadString(id, args, resourceReader) }
+    return str
+}
+
+/**
+ * Loads a formatted string resource using the provided ID and arguments.
+ *
+ * @param id The ID of the string resource to load.
+ * @param formatArgs The arguments to be inserted into the formatted string.
+ * @return The formatted string resource.
+ *
+ * @throws IllegalArgumentException If the provided ID is not found in the resource file.
+ */
+@ExperimentalResourceApi
+suspend fun loadString(id: ResourceId, vararg formatArgs: Any): String = loadString(
+    id,
+    formatArgs.map { it.toString() },
+    DefaultResourceReader
+)
+
+private suspend fun loadString(id: ResourceId, args: List<String>, resourceReader: ResourceReader): String {
+    val str = loadString(id, resourceReader)
+    return SimpleStringFormatRegex.replace(str) { matchResult ->
+        args[matchResult.groupValues[1].toInt() - 1]
+    }
+}
+
+/**
+ * Retrieves a list of strings from a string array resource.
+ *
+ * @param id The ID of the string array resource.
+ * @return A list of strings representing the items in the string array.
+ *
+ * @throws IllegalStateException if the string array with the given ID is not found.
+ */
+@ExperimentalResourceApi
+@Composable
+fun getStringArray(id: ResourceId): List<String> {
+    val resourceReader = LocalResourceReader.current
+    val array by rememberState(id, { emptyList() }) { loadStringArray(id, resourceReader) }
+    return array
+}
+
+/**
+ * Loads a string array from a resource file.
+ *
+ * @param id The ID of the string array resource.
+ * @return A list of strings representing the items in the string array.
+ *
+ * @throws IllegalStateException if the string array with the given ID is not found.
+ */
+@ExperimentalResourceApi
+suspend fun loadStringArray(id: ResourceId): List<String> = loadStringArray(id, DefaultResourceReader)
+
+private suspend fun loadStringArray(id: ResourceId, resourceReader: ResourceReader): List<String> {
+    val nameToValue = getParsedStrings(getPathById(STRINGS_XML), resourceReader)
+    val item = nameToValue[id.stringKey] as? StringItem.Array
+        ?: error("String array ID=`${id.stringKey}` is not found!")
+    return item.items
+}
+
+private fun NodeList.getElementsWithName(name: String): List<Element> =
+    List(length) { item(it) }
+        .filterIsInstance<Element>()
+        .filter { it.localName == name }

components/resources/library/src/commonMain/kotlin/org/jetbrains/compose/resources/vector/XmlVectorParser.kt

@@ -17,8 +17,8 @@
 package org.jetbrains.compose.resources.vector
 
 import androidx.compose.ui.geometry.Offset
-import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.Brush
+import androidx.compose.ui.graphics.Color
 import androidx.compose.ui.graphics.PathFillType
 import androidx.compose.ui.graphics.SolidColor
 import androidx.compose.ui.graphics.StrokeCap
@@ -34,9 +34,10 @@ import androidx.compose.ui.graphics.vector.DefaultTranslationY
 import androidx.compose.ui.graphics.vector.EmptyPath
 import androidx.compose.ui.graphics.vector.ImageVector
 import androidx.compose.ui.graphics.vector.addPathNodes
-import org.jetbrains.compose.resources.vector.BuildContext.Group
 import androidx.compose.ui.unit.Density
-import org.jetbrains.compose.resources.vector.xmldom.*
+import org.jetbrains.compose.resources.vector.BuildContext.Group
+import org.jetbrains.compose.resources.vector.xmldom.Element
+import org.jetbrains.compose.resources.vector.xmldom.Node
 
 
 //  Parsing logic is the same as in Android implementation
@@ -68,7 +69,7 @@ private class BuildContext {
     }
 }
 
-internal fun Element.parseVectorRoot(density: Density): ImageVector {
+internal fun Element.toImageVector(density: Density): ImageVector {
     val context = BuildContext()
     val builder = ImageVector.Builder(
         defaultWidth = attributeOrNull(ANDROID_NS, "width").parseDp(density),
@@ -167,7 +168,6 @@ private fun Element.parseGradient(): Brush? {
     }
 }
 
-@Suppress("CHANGING_ARGUMENTS_EXECUTION_ORDER_FOR_NAMED_VARARGS")
 private fun Element.parseLinearGradient() = Brush.linearGradient(
     colorStops = parseColorStops(),
     start = Offset(
@@ -181,7 +181,6 @@ private fun Element.parseLinearGradient() = Brush.linearGradient(
     tileMode = attributeOrNull(ANDROID_NS, "tileMode")?.let(::parseTileMode) ?: TileMode.Clamp
 )
 
-@Suppress("CHANGING_ARGUMENTS_EXECUTION_ORDER_FOR_NAMED_VARARGS")
 private fun Element.parseRadialGradient() = Brush.radialGradient(
     colorStops = parseColorStops(),
     center = Offset(
@@ -192,7 +191,6 @@ private fun Element.parseRadialGradient() = Brush.radialGradient(
     tileMode = attributeOrNull(ANDROID_NS, "tileMode")?.let(::parseTileMode) ?: TileMode.Clamp
 )
 
-@Suppress("CHANGING_ARGUMENTS_EXECUTION_ORDER_FOR_NAMED_VARARGS")
 private fun Element.parseSweepGradient() = Brush.sweepGradient(
     colorStops = parseColorStops(),
     center = Offset(

components/resources/library/src/commonMain/kotlin/org/jetbrains/compose/resources/vector/xmldom/Node.kt

@@ -4,6 +4,8 @@ package org.jetbrains.compose.resources.vector.xmldom
  * XML DOM Node.
  */
 internal interface Node {
+    val textContent: String?
+
     val nodeName: String
     val localName: String
 

components/resources/library/src/commonTest/kotlin/org/jetbrains/compose/resources/RecompositionsCounter.kt

@@ -0,0 +1,14 @@
+package org.jetbrains.compose.resources
+
+import androidx.compose.runtime.Composable
+
+internal class RecompositionsCounter {
+    var count = 0
+        private set
+
+    @Composable
+    fun content(block: @Composable () -> Unit) {
+        count++
+        block()
+    }
+}

components/resources/library/src/commonTest/kotlin/org/jetbrains/compose/resources/ResourceTest.kt

@@ -7,17 +7,60 @@ package org.jetbrains.compose.resources
 
 import kotlin.test.Test
 import kotlin.test.assertEquals
+import kotlin.test.assertFailsWith
 import kotlin.test.assertNotEquals
 
 @OptIn(ExperimentalResourceApi::class)
 class ResourceTest {
     @Test
-    fun testResourceEquals() {
-        assertEquals(resource("a"), resource("a"))
+    fun testResourceEquals() = runBlockingTest {
+        assertEquals(getPathById("a"), getPathById("a"))
     }
 
     @Test
-    fun testResourceNotEquals() {
-        assertNotEquals(resource("a"), resource("b"))
+    fun testResourceNotEquals() = runBlockingTest {
+        assertNotEquals(getPathById("a"), getPathById("b"))
+    }
+
+    @Test
+    fun testMissingResource() = runBlockingTest {
+        assertFailsWith<MissingResourceException> {
+            readResourceBytes("missing.png")
+        }
+        val error = assertFailsWith<IllegalStateException> {
+            loadString("unknown_id")
+        }
+        assertEquals("String ID=`unknown_id` is not found!", error.message)
+    }
+
+    @Test
+    fun testReadFileResource() = runBlockingTest {
+        val bytes = readResourceBytes("strings.xml")
+        assertEquals(
+            """
+                <resources>
+                    <string name="app_name">Compose Resources App</string>
+                    <string name="hello">😊 Hello world!</string>
+                    <string name="str_template">Hello, %1${'$'}s! You have %2${'$'}d new messages.</string>
+                    <string-array name="str_arr">
+                        <item>item 1</item>
+                        <item>item 2</item>
+                        <item>item 3</item>
+                    </string-array>
+                </resources>
+                
+            """.trimIndent(),
+            bytes.decodeToString()
+        )
+    }
+
+    @Test
+    fun testLoadStringResource() = runBlockingTest {
+        assertEquals("Compose Resources App", loadString("app_name"))
+        assertEquals(
+            "Hello, test-name! You have 42 new messages.",
+            loadString("str_template", "test-name", 42)
+        )
+        assertEquals(listOf("item 1", "item 2", "item 3"), loadStringArray("str_arr"))
     }
 }

components/resources/library/src/commonTest/kotlin/org/jetbrains/compose/resources/TestResourceReader.kt

@@ -0,0 +1,11 @@
+package org.jetbrains.compose.resources
+
+internal class TestResourceReader : ResourceReader {
+    private val readPathsList = mutableListOf<String>()
+    val readPaths: List<String> get() = readPathsList
+
+    override suspend fun read(path: String): ByteArray {
+        readPathsList.add(path)
+        return DefaultResourceReader.read(path)
+    }
+}

components/resources/library/src/commonTest/kotlin/org/jetbrains/compose/resources/TestUtils.kt

@@ -0,0 +1,5 @@
+package org.jetbrains.compose.resources
+
+import kotlinx.coroutines.CoroutineScope
+
+expect fun runBlockingTest(block: suspend CoroutineScope.() -> Unit)

components/resources/library/src/commonTest/resources/strings.xml

@@ -0,0 +1,10 @@
+<resources>
+    <string name="app_name">Compose Resources App</string>
+    <string name="hello">😊 Hello world!</string>
+    <string name="str_template">Hello, %1$s! You have %2$d new messages.</string>
+    <string-array name="str_arr">
+        <item>item 1</item>
+        <item>item 2</item>
+        <item>item 3</item>
+    </string-array>
+</resources>

components/resources/library/src/desktopMain/kotlin/org/jetbrains/compose/resources/Resource.desktop.kt

@@ -1,27 +0,0 @@
-/*
- * Copyright 2020-2022 JetBrains s.r.o. and respective authors and developers.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE.txt file.
- */
-
-package org.jetbrains.compose.resources
-
-import java.io.IOException
-
-@ExperimentalResourceApi
-actual fun resource(path: String): Resource = DesktopResourceImpl(path)
-
-@ExperimentalResourceApi
-private class DesktopResourceImpl(path: String) : AbstractResourceImpl(path) {
-    override suspend fun readBytes(): ByteArray {
-        val classLoader = Thread.currentThread().contextClassLoader ?: (::DesktopResourceImpl.javaClass.classLoader)
-        val resource = classLoader.getResourceAsStream(path)
-        if (resource != null) {
-            return resource.readBytes()
-        } else {
-            throw MissingResourceException(path)
-        }
-    }
-}
-
-internal actual class MissingResourceException actual constructor(path: String) :
-    IOException("Missing resource with path: $path")

components/resources/library/src/desktopTest/kotlin/org/jetbrains/compose/resources/ComposeResourceTest.desktop.kt

@@ -0,0 +1,107 @@
+package org.jetbrains.compose.resources
+
+import androidx.compose.foundation.Image
+import androidx.compose.material3.Text
+import androidx.compose.runtime.CompositionLocalProvider
+import androidx.compose.runtime.collectAsState
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.test.ExperimentalTestApi
+import androidx.compose.ui.test.runComposeUiTest
+import kotlinx.coroutines.flow.MutableStateFlow
+import org.junit.Assert.assertEquals
+import org.junit.Before
+import org.junit.Test
+import kotlin.test.assertEquals
+
+@OptIn(ExperimentalResourceApi::class, ExperimentalTestApi::class)
+class ComposeResourceTest {
+
+    @Before
+    fun dropCaches() {
+        dropStringsCache()
+        dropImageCache()
+    }
+
+    @Test
+    fun testCountRecompositions() = runComposeUiTest {
+        runBlockingTest {
+            val imagePathFlow = MutableStateFlow("1.png")
+            val recompositionsCounter = RecompositionsCounter()
+            setContent {
+                val path by imagePathFlow.collectAsState()
+                val res = imageResource(path)
+                recompositionsCounter.content {
+                    Image(bitmap = res, contentDescription = null)
+                }
+            }
+            awaitIdle()
+            imagePathFlow.emit("2.png")
+            awaitIdle()
+            assertEquals(2, recompositionsCounter.count)
+        }
+    }
+
+    @Test
+    fun testImageResourceCache() = runComposeUiTest {
+        runBlockingTest {
+            val testResourceReader = TestResourceReader()
+            val imagePathFlow = MutableStateFlow("1.png")
+            setContent {
+                CompositionLocalProvider(LocalResourceReader provides testResourceReader) {
+                    val path by imagePathFlow.collectAsState()
+                    Image(painterResource(path), null)
+                }
+            }
+            awaitIdle()
+            imagePathFlow.emit("2.png")
+            awaitIdle()
+            imagePathFlow.emit("1.png")
+            awaitIdle()
+
+            assertEquals(
+                expected = listOf("1.png", "2.png"), //no second read of 1.png
+                actual = testResourceReader.readPaths
+            )
+        }
+    }
+
+    @Test
+    fun testStringResourceCache() = runComposeUiTest {
+        runBlockingTest {
+            val testResourceReader = TestResourceReader()
+            val stringIdFlow = MutableStateFlow("app_name")
+            setContent {
+                CompositionLocalProvider(LocalResourceReader provides testResourceReader) {
+                    val textId by stringIdFlow.collectAsState()
+                    Text(getString(textId))
+                    Text(getStringArray("str_arr").joinToString())
+                }
+            }
+            awaitIdle()
+            stringIdFlow.emit("hello")
+            awaitIdle()
+            stringIdFlow.emit("app_name")
+            awaitIdle()
+
+            assertEquals(
+                expected = listOf("strings.xml"), //just one string.xml read
+                actual = testResourceReader.readPaths
+            )
+        }
+    }
+
+    @Test
+    fun testReadStringResource() = runComposeUiTest {
+        runBlockingTest {
+            setContent {
+                assertEquals("Compose Resources App", getString("app_name"))
+                assertEquals(
+                    "Hello, test-name! You have 42 new messages.",
+                    getString("str_template", "test-name", 42)
+                )
+                assertEquals(listOf("item 1", "item 2", "item 3"), getStringArray("str_arr"))
+            }
+            awaitIdle()
+        }
+    }
+}

components/resources/library/src/desktopTest/kotlin/org/jetbrains/compose/resources/ComposeResourceTest.kt

@@ -1,61 +0,0 @@
-package org.jetbrains.compose.resources
-
-import androidx.compose.foundation.Image
-import androidx.compose.runtime.Composable
-import androidx.compose.runtime.collectAsState
-import androidx.compose.runtime.getValue
-import androidx.compose.ui.graphics.ImageBitmap
-import androidx.compose.ui.test.junit4.createComposeRule
-import kotlinx.coroutines.ExperimentalCoroutinesApi
-import kotlinx.coroutines.delay
-import kotlinx.coroutines.flow.MutableStateFlow
-import kotlinx.coroutines.test.UnconfinedTestDispatcher
-import kotlinx.coroutines.test.runTest
-import org.junit.Assert.assertEquals
-import org.junit.Rule
-import org.junit.Test
-
-@OptIn(ExperimentalResourceApi::class, ExperimentalCoroutinesApi::class)
-class ComposeResourceTest {
-
-    @get:Rule
-    val rule = createComposeRule()
-
-    @Test
-    fun testMissingResource() = runTest (UnconfinedTestDispatcher()) {
-        var recompositionCount = 0
-        rule.setContent {
-            CountRecompositions(resource("missing.png").rememberImageBitmap().orEmpty()) {
-                recompositionCount++
-            }
-        }
-        rule.awaitIdle()
-        assertEquals(2, recompositionCount)
-    }
-
-    @Test
-    fun testCountRecompositions() = runTest (UnconfinedTestDispatcher()) {
-        val mutableStateFlow = MutableStateFlow(true)
-        var recompositionCount = 0
-        rule.setContent {
-            val state: Boolean by mutableStateFlow.collectAsState(true)
-            val resource = resource(if (state) "1.png" else "2.png")
-            CountRecompositions(resource.rememberImageBitmap().orEmpty()) {
-                recompositionCount++
-            }
-        }
-        rule.awaitIdle()
-        mutableStateFlow.value = false
-        rule.awaitIdle()
-        assertEquals(4, recompositionCount)
-    }
-
-}
-
-@Composable
-private fun CountRecompositions(imageBitmap: ImageBitmap?, onRecomposition: () -> Unit) {
-    onRecomposition()
-    if (imageBitmap != null) {
-        Image(bitmap = imageBitmap, contentDescription = null)
-    }
-}

components/resources/library/src/iosMain/kotlin/org/jetbrains/compose/resources/Resource.ios.kt

@@ -1,38 +0,0 @@
-/*
- * Copyright 2020-2022 JetBrains s.r.o. and respective authors and developers.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE.txt file.
- */
-
-package org.jetbrains.compose.resources
-
-import kotlinx.cinterop.addressOf
-import kotlinx.cinterop.usePinned
-import platform.Foundation.NSBundle
-import platform.Foundation.NSData
-import platform.Foundation.NSFileManager
-import platform.posix.memcpy
-
-@ExperimentalResourceApi
-actual fun resource(path: String): Resource = UIKitResourceImpl(path)
-
-@ExperimentalResourceApi
-private class UIKitResourceImpl(path: String) : AbstractResourceImpl(path) {
-    override suspend fun readBytes(): ByteArray {
-        val fileManager = NSFileManager.defaultManager()
-        // todo: support fallback path at bundle root?
-        val composeResourcesPath = NSBundle.mainBundle.resourcePath + "/compose-resources/" + path
-        val contentsAtPath: NSData? = fileManager.contentsAtPath(composeResourcesPath)
-        if (contentsAtPath != null) {
-            val byteArray = ByteArray(contentsAtPath.length.toInt())
-            byteArray.usePinned {
-                memcpy(it.addressOf(0), contentsAtPath.bytes, contentsAtPath.length)
-            }
-            return byteArray
-        } else {
-            throw MissingResourceException(path)
-        }
-    }
-}
-
-internal actual class MissingResourceException actual constructor(path: String) :
-    Exception("Missing resource with path: $path")

components/resources/library/src/iosMain/kotlin/org/jetbrains/compose/resources/ResourceReader.ios.kt

@@ -0,0 +1,20 @@
+package org.jetbrains.compose.resources
+
+import kotlinx.cinterop.addressOf
+import kotlinx.cinterop.usePinned
+import platform.Foundation.NSBundle
+import platform.Foundation.NSFileManager
+import platform.posix.memcpy
+
+@ExperimentalResourceApi
+actual suspend fun readResourceBytes(path: String): ByteArray {
+    val fileManager = NSFileManager.defaultManager()
+    // todo: support fallback path at bundle root?
+    val composeResourcesPath = NSBundle.mainBundle.resourcePath + "/compose-resources/" + path
+    val contentsAtPath = fileManager.contentsAtPath(composeResourcesPath) ?: throw MissingResourceException(path)
+    return ByteArray(contentsAtPath.length.toInt()).apply {
+        usePinned {
+            memcpy(it.addressOf(0), contentsAtPath.bytes, contentsAtPath.length)
+        }
+    }
+}

components/resources/library/src/jsMain/kotlin/org/jetbrains/compose/resources/ImageResources.js.kt

@@ -0,0 +1,13 @@
+package org.jetbrains.compose.resources
+
+import org.jetbrains.compose.resources.vector.xmldom.Element
+import org.jetbrains.compose.resources.vector.xmldom.ElementImpl
+import org.jetbrains.compose.resources.vector.xmldom.MalformedXMLException
+import org.w3c.dom.parsing.DOMParser
+
+internal actual fun ByteArray.toXmlElement(): Element {
+    val xmlString = decodeToString()
+    val xmlDom = DOMParser().parseFromString(xmlString, "application/xml")
+    val domElement = xmlDom.documentElement ?: throw MalformedXMLException("missing documentElement")
+    return ElementImpl(domElement)
+}

components/resources/library/src/jsMain/kotlin/org/jetbrains/compose/resources/PlatformState.js.kt

@@ -0,0 +1,16 @@
+package org.jetbrains.compose.resources
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.State
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.remember
+
+@Composable
+internal actual fun <T> rememberState(key: Any, getDefault: () -> T, block: suspend () -> T): State<T> {
+    val state = remember(key) { mutableStateOf(getDefault()) }
+    LaunchedEffect(key) {
+        state.value = block()
+    }
+    return state
+}

components/resources/library/src/jsMain/kotlin/org/jetbrains/compose/resources/Resource.js.kt

@@ -1,18 +1,9 @@
-/*
- * Copyright 2020-2022 JetBrains s.r.o. and respective authors and developers.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE.txt file.
- */
-
 package org.jetbrains.compose.resources
 
-import kotlinx.browser.window
-import kotlinx.coroutines.await
-import org.jetbrains.compose.resources.vector.xmldom.Element
-import org.jetbrains.compose.resources.vector.xmldom.ElementImpl
-import org.jetbrains.compose.resources.vector.xmldom.MalformedXMLException
-import org.khronos.webgl.ArrayBuffer
-import org.khronos.webgl.Int8Array
-import org.w3c.dom.parsing.DOMParser
+import kotlinx.coroutines.CoroutineDispatcher
+import kotlinx.coroutines.Dispatchers
+
+internal actual val cacheDispatcher: CoroutineDispatcher = Dispatchers.Default
 
 /**
  * Represents the configuration object for web resources.
@@ -22,31 +13,24 @@ import org.w3c.dom.parsing.DOMParser
 @Suppress("unused")
 @ExperimentalResourceApi
 object WebResourcesConfiguration {
+    internal var getResourcePath: (path: String) -> String = { "./$it" }
 
     /**
-     * An internal default factory method for creating [Resource] from a given path.
-     * It can be changed at runtime by using [setResourceFactory].
-     */
-    @ExperimentalResourceApi
-    internal var jsResourceImplFactory: (path: String) -> Resource = { urlResource("./$it") }
-
-    /**
-     * Sets a custom factory for the [resource] function to create [Resource] instances.
-     * Once set, the [factory] will effectively define the implementation of the [resource] function.
+     * Sets a customization function for resource path. This allows you to modify the resource path
+     * before it is used.
      *
-     * @param factory A lambda that accepts a path and produces a [Resource] instance.
-     * @see configureWebResources for examples on how to use this function.
+     * @param map the mapping function that takes a path String and returns a modified path String
      */
     @ExperimentalResourceApi
-    fun setResourceFactory(factory: (path: String) -> Resource) {
-        jsResourceImplFactory = factory
+    fun resourcePathMapping(map: (path: String) -> String) {
+        getResourcePath = map
     }
 }
 
 /**
  * Configures the web resources behavior.
  *
- * Allows users to override default behavior and provide custom logic for generating [Resource] instances.
+ * Allows users to override default behavior and provide custom logic for generating resource's paths.
  *
  * @param configure Configuration lambda applied to [WebResourcesConfiguration].
  * @see WebResourcesConfiguration For detailed configuration options.
@@ -54,10 +38,10 @@ object WebResourcesConfiguration {
  * Examples:
  * ```
  *  configureWebResources {
- *     setResourceFactory { path -> urlResource("/myApp1/resources/$path") }
+ *     resourcePathMapping { path -> "/myApp1/resources/$path" }
  *  }
  *  configureWebResources {
- *     setResourceFactory { path -> urlResource("https://mycdn.com/myApp1/res/$path") }
+ *     resourcePathMapping { path -> "https://mycdn.com/myApp1/res/$path" }
  *  }
  * ```
  */
@@ -66,52 +50,3 @@ object WebResourcesConfiguration {
 fun configureWebResources(configure: WebResourcesConfiguration.() -> Unit) {
     WebResourcesConfiguration.configure()
 }
-
-/**
- * Generates a [Resource] instance based on the provided [path].
- *
- * By default, the path is treated as relative to the current URL segment.
- * The default behaviour can be overridden by using [configureWebResources].
- *
- * @param path The path or resource id used to generate the [Resource] instance.
- * @return A [Resource] instance corresponding to the provided path.
- */
-@ExperimentalResourceApi
-actual fun resource(path: String): Resource = WebResourcesConfiguration.jsResourceImplFactory(path)
-
-/**
- * Creates a [Resource] instance based on the provided [url].
- *
- * @param url The URL used to access the [Resource].
- * @return A [Resource] instance accessible by the given URL.
- */
-@ExperimentalResourceApi
-fun urlResource(url: String): Resource = JSUrlResourceImpl(url)
-
-@ExperimentalResourceApi
-private class JSUrlResourceImpl(url: String) : AbstractResourceImpl(url) {
-    override suspend fun readBytes(): ByteArray {
-        val response = window.fetch(path).await()
-        if (!response.ok) {
-            throw MissingResourceException(path)
-        }
-        return response.arrayBuffer().await().toByteArray()
-    }
-}
-
-private fun ArrayBuffer.toByteArray() = Int8Array(this, 0, byteLength).unsafeCast<ByteArray>()
-
-internal actual class MissingResourceException actual constructor(path: String) :
-    Exception("Missing resource with path: $path")
-
-internal actual fun parseXML(byteArray: ByteArray): Element {
-    val xmlString = byteArray.decodeToString()
-    val xmlDom = DOMParser().parseFromString(xmlString, "application/xml")
-    val domElement = xmlDom.documentElement ?: throw MalformedXMLException("missing documentElement")
-    return ElementImpl(domElement)
-}
-
-internal actual fun isSyncResourceLoadingSupported() = false
-
-@OptIn(ExperimentalResourceApi::class)
-internal actual fun Resource.readBytesSync(): ByteArray = throw UnsupportedOperationException()

components/resources/library/src/jsMain/kotlin/org/jetbrains/compose/resources/ResourceReader.js.kt

@@ -0,0 +1,19 @@
+package org.jetbrains.compose.resources
+
+import kotlinx.browser.window
+import kotlinx.coroutines.await
+import org.khronos.webgl.ArrayBuffer
+import org.khronos.webgl.Int8Array
+
+private fun ArrayBuffer.toByteArray(): ByteArray =
+    Int8Array(this, 0, byteLength).unsafeCast<ByteArray>()
+
+@ExperimentalResourceApi
+actual suspend fun readResourceBytes(path: String): ByteArray {
+    val resPath = WebResourcesConfiguration.getResourcePath(path)
+    val response = window.fetch(resPath).await()
+    if (!response.ok) {
+        throw MissingResourceException(resPath)
+    }
+    return response.arrayBuffer().await().toByteArray()
+}

components/resources/library/src/jsMain/kotlin/org/jetbrains/compose/resources/vector/xmldom/ElementImpl.kt

@@ -3,6 +3,8 @@ package org.jetbrains.compose.resources.vector.xmldom
 import org.w3c.dom.Element as DomElement
 
 internal class ElementImpl(val element: DomElement): NodeImpl(element), Element {
+    override val textContent: String?
+        get() = element.textContent
 
     override val localName: String
         get() = element.localName

components/resources/library/src/jsMain/kotlin/org/jetbrains/compose/resources/vector/xmldom/NodeImpl.kt

@@ -1,9 +1,12 @@
 package org.jetbrains.compose.resources.vector.xmldom
 
-import org.w3c.dom.Node as DomNode
 import org.w3c.dom.Element as DomElement
+import org.w3c.dom.Node as DomNode
 
 internal open class NodeImpl(val n: DomNode): Node {
+    override val textContent: String?
+        get() = n.textContent
+
     override val nodeName: String
         get() = n.nodeName
 

components/resources/library/src/jsTest/kotlin/org/jetbrains/compose/resources/TestUtils.js.kt

@@ -0,0 +1,9 @@
+package org.jetbrains.compose.resources
+
+import kotlinx.coroutines.CoroutineScope
+import kotlinx.coroutines.DelicateCoroutinesApi
+import kotlinx.coroutines.GlobalScope
+import kotlinx.coroutines.promise
+
+@OptIn(DelicateCoroutinesApi::class)
+actual fun runBlockingTest(block: suspend CoroutineScope.() -> Unit): dynamic = GlobalScope.promise(block = block)

components/resources/library/src/jvmAndAndroidMain/kotlin/org/jetbrains/compose/resources/ImageResources.jvmAndAndroid.kt

@@ -0,0 +1,15 @@
+package org.jetbrains.compose.resources
+
+import org.jetbrains.compose.resources.vector.xmldom.Element
+import org.jetbrains.compose.resources.vector.xmldom.ElementImpl
+import org.xml.sax.InputSource
+import java.io.ByteArrayInputStream
+import javax.xml.parsers.DocumentBuilderFactory
+
+internal actual fun ByteArray.toXmlElement(): Element = ElementImpl(
+    DocumentBuilderFactory.newInstance()
+        .apply { isNamespaceAware = true }
+        .newDocumentBuilder()
+        .parse(InputSource(ByteArrayInputStream(this)))
+        .documentElement
+)

components/resources/library/src/jvmAndAndroidMain/kotlin/org/jetbrains/compose/resources/Resource.jvmandandroid.kt

@@ -1,22 +0,0 @@
-/*
- * Copyright 2020-2022 JetBrains s.r.o. and respective authors and developers.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE.txt file.
- */
-
-package org.jetbrains.compose.resources
-
-import org.jetbrains.compose.resources.vector.xmldom.Element
-import org.jetbrains.compose.resources.vector.xmldom.ElementImpl
-import org.xml.sax.InputSource
-import java.io.ByteArrayInputStream
-import javax.xml.parsers.DocumentBuilderFactory
-
-internal actual fun parseXML(byteArray: ByteArray): Element =
-    ElementImpl(
-        DocumentBuilderFactory
-            .newInstance().apply {
-                isNamespaceAware = true
-            }
-            .newDocumentBuilder()
-            .parse(InputSource(ByteArrayInputStream(byteArray)))
-            .documentElement)

components/resources/library/src/jvmAndAndroidMain/kotlin/org/jetbrains/compose/resources/ResourceReader.jvmAndAndroid.kt

@@ -0,0 +1,10 @@
+package org.jetbrains.compose.resources
+
+private object JvmResourceReader
+
+@ExperimentalResourceApi
+actual suspend fun readResourceBytes(path: String): ByteArray {
+    val classLoader = Thread.currentThread().contextClassLoader ?: JvmResourceReader.javaClass.classLoader
+    val resource = classLoader.getResourceAsStream(path) ?: throw MissingResourceException(path)
+    return resource.readBytes()
+}

components/resources/library/src/jvmAndAndroidMain/kotlin/org/jetbrains/compose/resources/vector/xmldom/NodeImpl.kt

@@ -1,9 +1,12 @@
 package org.jetbrains.compose.resources.vector.xmldom
 
-import org.w3c.dom.Node as DomNode
 import org.w3c.dom.Element as DomElement
+import org.w3c.dom.Node as DomNode
 
 internal open class NodeImpl(val n: DomNode): Node {
+    override val textContent: String?
+        get() = n.textContent
+
     override val nodeName: String
         get() = n.nodeName
     override val localName: String

components/resources/library/src/macosMain/kotlin/org/jetbrains/compose/resources/Resource.macos.kt

@@ -1,40 +0,0 @@
-/*
- * Copyright 2020-2022 JetBrains s.r.o. and respective authors and developers.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE.txt file.
- */
-
-package org.jetbrains.compose.resources
-
-import kotlinx.cinterop.addressOf
-import kotlinx.cinterop.usePinned
-import platform.Foundation.NSData
-import platform.Foundation.NSFileManager
-import platform.posix.memcpy
-
-@ExperimentalResourceApi
-actual fun resource(path: String): Resource = MacOSResourceImpl(path)
-
-@ExperimentalResourceApi
-private class MacOSResourceImpl(path: String) : AbstractResourceImpl(path) {
-    override suspend fun readBytes(): ByteArray {
-        val currentDirectoryPath = NSFileManager.defaultManager().currentDirectoryPath
-        val contentsAtPath: NSData? = NSFileManager.defaultManager().run {
-            //todo in future bundle resources with app and use all sourceSets (skikoMain, nativeMain)
-            contentsAtPath("$currentDirectoryPath/src/macosMain/resources/$path")
-                ?: contentsAtPath("$currentDirectoryPath/src/commonMain/resources/$path")
-        }
-        if (contentsAtPath != null) {
-            val byteArray = ByteArray(contentsAtPath.length.toInt())
-            byteArray.usePinned {
-                memcpy(it.addressOf(0), contentsAtPath.bytes, contentsAtPath.length)
-            }
-            return byteArray
-        } else {
-            throw MissingResourceException(path)
-        }
-    }
-}
-
-internal actual class MissingResourceException actual constructor(path: String) :
-    Exception("Missing resource with path: $path")
-

components/resources/library/src/macosMain/kotlin/org/jetbrains/compose/resources/ResourceReader.macos.kt

@@ -0,0 +1,21 @@
+package org.jetbrains.compose.resources
+
+import kotlinx.cinterop.addressOf
+import kotlinx.cinterop.usePinned
+import platform.Foundation.NSFileManager
+import platform.posix.memcpy
+
+@ExperimentalResourceApi
+actual suspend fun readResourceBytes(path: String): ByteArray {
+    val currentDirectoryPath = NSFileManager.defaultManager().currentDirectoryPath
+    val contentsAtPath = NSFileManager.defaultManager().run {
+        //todo in future bundle resources with app and use all sourceSets (skikoMain, nativeMain)
+        contentsAtPath("$currentDirectoryPath/src/macosMain/resources/$path")
+            ?: contentsAtPath("$currentDirectoryPath/src/commonMain/resources/$path")
+    } ?: throw MissingResourceException(path)
+    return ByteArray(contentsAtPath.length.toInt()).apply {
+        usePinned {
+            memcpy(it.addressOf(0), contentsAtPath.bytes, contentsAtPath.length)
+        }
+    }
+}

components/resources/library/src/nativeMain/kotlin/org/jetbrains/compose/resources/ImageResources.native.kt

@@ -0,0 +1,6 @@
+package org.jetbrains.compose.resources
+
+import org.jetbrains.compose.resources.vector.xmldom.Element
+import org.jetbrains.compose.resources.vector.xmldom.parse
+
+internal actual fun ByteArray.toXmlElement(): Element = parse(decodeToString())

components/resources/library/src/nativeMain/kotlin/org/jetbrains/compose/resources/Resource.native.kt

@@ -1,11 +0,0 @@
-/*
- * Copyright 2020-2022 JetBrains s.r.o. and respective authors and developers.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE.txt file.
- */
-
-package org.jetbrains.compose.resources
-
-import org.jetbrains.compose.resources.vector.xmldom.Element
-import org.jetbrains.compose.resources.vector.xmldom.parse
-
-internal actual fun parseXML(byteArray: ByteArray): Element = parse(byteArray.decodeToString())

components/resources/library/src/nativeMain/kotlin/org/jetbrains/compose/resources/vector/xmldom/DomXmlParser.kt

@@ -4,12 +4,17 @@
  */
 package org.jetbrains.compose.resources.vector.xmldom
 
-import org.jetbrains.compose.resources.vector.xmldom.MalformedXMLException
-import platform.Foundation.*
+import platform.Foundation.NSError
+import platform.Foundation.NSString
+import platform.Foundation.NSUTF8StringEncoding
+import platform.Foundation.NSXMLParser
+import platform.Foundation.NSXMLParserDelegateProtocol
+import platform.Foundation.dataUsingEncoding
 import platform.darwin.NSObject
 
 internal fun parse(xml: String): Element {
     val parser = DomXmlParser()
+    @Suppress("CAST_NEVER_SUCCEEDS")
     NSXMLParser((xml as NSString).dataUsingEncoding(NSUTF8StringEncoding)!!).apply {
         shouldReportNamespacePrefixes = true
         shouldProcessNamespaces = true
@@ -18,11 +23,15 @@ internal fun parse(xml: String): Element {
     return parser.root!!
 }
 
-private class ElementImpl(override val localName: String,
+private class ElementImpl(
+    override val localName: String,
     override val nodeName: String,
     override val namespaceURI: String,
     val prefixMap: Map<String, String>,
-                          val attributes: Map<Any?, *>): Element {
+    val attributes: Map<Any?, *>
+) : Element {
+
+    override var textContent: String? = null
 
     override val childNodes: NodeList
         get() = object : NodeList {
@@ -43,15 +52,13 @@ private class ElementImpl(override val localName: String,
         return getAttribute(attrKey)
     }
 
-    override fun getAttribute(name: String): String =  attributes[name] as String? ?:""
+    override fun getAttribute(name: String): String = attributes[name] as String? ?: ""
 
-    override fun lookupPrefix(uri: String): String = prefixMap[uri]?:""
+    override fun lookupPrefix(namespaceURI: String): String = prefixMap[namespaceURI] ?: ""
 }
 
-@Suppress("CONFLICTING_OVERLOADS")
-private class DomXmlParser(
-
-) : NSObject(), NSXMLParserDelegateProtocol {
+@Suppress("CONFLICTING_OVERLOADS", "PARAMETER_NAME_CHANGED_ON_OVERRIDE")
+private class DomXmlParser : NSObject(), NSXMLParserDelegateProtocol {
 
     val curPrefixMapInverted = mutableMapOf<String, String>()
 
@@ -68,8 +75,13 @@ private class DomXmlParser(
         qualifiedName: String?,
         attributes: Map<Any?, *>
     ) {
-        val node = ElementImpl(didStartElement, qualifiedName!!, namespaceURI?:"",
-            curPrefixMap, attributes)
+        val node = ElementImpl(
+            didStartElement,
+            qualifiedName!!,
+            namespaceURI ?: "",
+            curPrefixMap,
+            attributes
+        )
 
         if (root == null) root = node
 
@@ -79,6 +91,10 @@ private class DomXmlParser(
         nodeStack.add(node)
     }
 
+    override fun parser(parser: NSXMLParser, foundCharacters: String) {
+        nodeStack.lastOrNull()?.textContent = foundCharacters
+    }
+
     override fun parser(
         parser: NSXMLParser,
         didEndElement: String,
@@ -89,7 +105,8 @@ private class DomXmlParser(
         assert(node.localName.equals(didEndElement))
     }
 
-    override fun parser(parser: NSXMLParser,
+    override fun parser(
+        parser: NSXMLParser,
         didStartMappingPrefix: String,
         toURI: String
     ) {

components/resources/library/src/skikoMain/kotlin/org/jetbrains/compose/resources/ComposeResource.skiko.kt

@@ -1,13 +0,0 @@
-/*
- * Copyright 2020-2022 JetBrains s.r.o. and respective authors and developers.
- * Use of this source code is governed by the Apache 2.0 license that can be found in the LICENSE.txt file.
- */
-
-package org.jetbrains.compose.resources
-
-import androidx.compose.ui.graphics.ImageBitmap
-import androidx.compose.ui.graphics.toComposeImageBitmap
-import org.jetbrains.skia.Image
-
-internal actual fun ByteArray.toImageBitmap(): ImageBitmap =
-    Image.makeFromEncoded(this).toComposeImageBitmap()

components/resources/library/src/skikoMain/kotlin/org/jetbrains/compose/resources/FontResources.skiko.kt

@@ -0,0 +1,43 @@
+package org.jetbrains.compose.resources
+
+import androidx.compose.runtime.Composable
+import androidx.compose.runtime.getValue
+import androidx.compose.ui.text.font.Font
+import androidx.compose.ui.text.font.FontStyle
+import androidx.compose.ui.text.font.FontWeight
+import androidx.compose.ui.text.platform.Font
+import kotlin.io.encoding.Base64
+import kotlin.io.encoding.ExperimentalEncodingApi
+
+private val emptyFontBase64 =
+    "T1RUTwAJAIAAAwAQQ0ZGIML7MfIAAAQIAAAA2U9TLzJmMV8PAAABAAAAAGBjbWFwANUAVwAAA6QAAABEaGVhZCMuU7" +
+            "IAAACcAAAANmhoZWECvgAmAAAA1AAAACRobXR4Az4AAAAABOQAAAAQbWF4cAAEUAAAAAD4AAAABm5hbWUpw3nbAAABYAAAAkNwb3N0AAMA" +
+            "AAAAA+gAAAAgAAEAAAABAADs7nftXw889QADA+gAAAAA4WWJaQAAAADhZYlpAAAAAAFNAAAAAAADAAIAAAAAAAAAAQAAArz+1AAAAU0AAA" +
+            "AAAAAAAQAAAAAAAAAAAAAAAAAAAAQAAFAAAAQAAAADAHwB9AAFAAACigK7AAAAjAKKArsAAAHfADEBAgAAAAAAAAAAAAAAAAAAAAEAAAAA" +
+            "AAAAAAAAAABYWFhYAEAAIABfArz+1AAAAAAAAAAAAAEAAAAAAV4AAAAgACAAAAAAACIBngABAAAAAAAAAAIAbwABAAAAAAABAAUAAAABAA" +
+            "AAAAACAAcADwABAAAAAAADABAAdQABAAAAAAAEAA0AJAABAAAAAAAFAAIAbwABAAAAAAAGAAwASwABAAAAAAAHAAIAbwABAAAAAAAIAAIA" +
+            "bwABAAAAAAAJAAIAbwABAAAAAAAKAAIAbwABAAAAAAALAAIAbwABAAAAAAAMAAIAbwABAAAAAAANAAIAbwABAAAAAAAOAAIAbwABAAAAAA" +
+            "AQAAUAAAABAAAAAAARAAcADwADAAEECQAAAAQAcQADAAEECQABAAoABQADAAEECQACAA4AFgADAAEECQADACAAhQADAAEECQAEABoAMQAD" +
+            "AAEECQAFAAQAcQADAAEECQAGABgAVwADAAEECQAHAAQAcQADAAEECQAIAAQAcQADAAEECQAJAAQAcQADAAEECQAKAAQAcQADAAEECQALAA" +
+            "QAcQADAAEECQAMAAQAcQADAAEECQANAAQAcQADAAEECQAOAAQAcQADAAEECQAQAAoABQADAAEECQARAA4AFmVtcHR5AGUAbQBwAHQAeVJl" +
+            "Z3VsYXIAUgBlAGcAdQBsAGEAcmVtcHR5IFJlZ3VsYXIAZQBtAHAAdAB5ACAAUgBlAGcAdQBsAGEAcmVtcHR5UmVndWxhcgBlAG0AcAB0AH" +
+            "kAUgBlAGcAdQBsAGEAciIiACIAIiIiOmVtcHR5IFJlZ3VsYXIAIgAiADoAZQBtAHAAdAB5ACAAUgBlAGcAdQBsAGEAcgAAAAABAAMAAQAA" +
+            "AAwABAA4AAAACgAIAAIAAgAAACAAQQBf//8AAAAAACAAQQBf//8AAP/h/8H/pAABAAAAAAAAAAAAAAADAAAAAAAAAAAAAAAAAAAAAAAAAA" +
+            "AAAAAAAAAAAAAAAQAEAQABAQENZW1wdHlSZWd1bGFyAAEBASf4GwD4HAL4HQP4HgSLi/lQ9+EFHQAAAHgPHQAAAH8Rix0AAADZEgAHAQED" +
+            "EBUcISIsIiJlbXB0eSBSZWd1bGFyZW1wdHlSZWd1bGFyc3BhY2VBdW5kZXJzY29yZQAAAAGLAYwBjQAEAQFMT1FT+F2f+TcVi4uL/TeLiw" +
+            "iLi/g1i4uLCIuLi/k3i4sIi4v8NYuLiwi7/QcVi4uL+NeLiwiLi/fUi4uLCIuLi/zXi4sIi4v71IuLiwgO9+EOnw6fDgAAAAHJAAABTQAA" +
+            "ABQAAAAUAAA="
+
+@OptIn(ExperimentalEncodingApi::class)
+private val defaultEmptyFont by lazy { Font("org.jetbrains.compose.emptyFont", Base64.decode(emptyFontBase64)) }
+
+@ExperimentalResourceApi
+@Composable
+actual fun Font(id: ResourceId, weight: FontWeight, style: FontStyle): Font {
+    val resourceReader = LocalResourceReader.current
+    val fontFile by rememberState(id, { defaultEmptyFont }) {
+        val fontBytes = resourceReader.read(getPathById(id))
+        Font(id, fontBytes, weight, style)
+    }
+    return fontFile
+}

components/resources/library/src/skikoMain/kotlin/org/jetbrains/compose/resources/ImageResources.skiko.kt

@@ -0,0 +1,8 @@
+package org.jetbrains.compose.resources
+
+import androidx.compose.ui.graphics.ImageBitmap
+import androidx.compose.ui.graphics.toComposeImageBitmap
+import org.jetbrains.skia.Image
+
+internal actual fun ByteArray.toImageBitmap(): ImageBitmap =
+    Image.makeFromEncoded(this).toComposeImageBitmap()