github
/
compose-jb
mirror of https://gitee.com/github-sync-mirror/compose-jb.git
1
0
Fork 0
Code Issues Releases Wiki Activity
Browse Source

Tutorials. Image_And_Icons_Manipulations. Migrate to 0.2.0-build132

pull/154/head
Igor Demin 4 years ago
parent
8e2536a2fa
commit
2e88bb1ddf
1 changed files with 37 additions and 43 deletions
Whitespace
Show all changes Ignore whitespace when comparing lines Ignore changes in amount of whitespace Ignore changes in whitespace at EOL
Split View
Diff Options
Show Stats Download Patch File Download Diff File
  1. 80
      tutorials/Image_And_Icons_Manipulations/README.md

80
tutorials/Image_And_Icons_Manipulations/README.md
Unescape View File

@ -20,7 +20,7 @@ import androidx.compose.ui.res.imageResource
fun main() {
Window {
Image(
asset = imageResource("images/sample.png"), // ImageAsset
bitmap = imageResource("sample.png"), // ImageBitmap
modifier = Modifier.fillMaxSize()
)
}
@ -31,32 +31,31 @@ fun main() {
## Loading images from device storage
To create an `ImageAsset` from a loaded image stored in the device memory you can use `org.jetbrains.skija.Image`:
To create an `ImageBitmap` from a loaded image stored in the device memory you can use `org.jetbrains.skija.Image`:
```kotlin
import androidx.compose.desktop.Window
import androidx.compose.foundation.Image
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.runtime.Composable
import androidx.compose.runtime.remember
import androidx.compose.ui.graphics.asImageAsset
import androidx.compose.ui.graphics.ImageAsset
import androidx.compose.ui.Modifier
import java.io.File
import androidx.compose.ui.graphics.ImageBitmap
import androidx.compose.ui.graphics.asImageBitmap
import org.jetbrains.skija.Image
import java.io.File
fun main() {
Window {
val image = remember { imageFromFile(File("sample.png")) }
Image(
asset = image,
bitmap = image,
modifier = Modifier.fillMaxSize()
)
}
}
fun imageFromFile(file: File): ImageAsset {
return Image.makeFromEncoded(file.readBytes()).asImageAsset()
fun imageFromFile(file: File): ImageBitmap {
return Image.makeFromEncoded(file.readBytes()).asImageBitmap()
}
```
@ -71,17 +70,16 @@ import androidx.compose.desktop.Window
import androidx.compose.foundation.Canvas
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.runtime.remember
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.drawscope.drawIntoCanvas
import androidx.compose.ui.graphics.nativeCanvas
import androidx.compose.ui.Modifier
import org.jetbrains.skija.Bitmap
import org.jetbrains.skija.ColorAlphaType
import org.jetbrains.skija.IRect
import org.jetbrains.skija.ImageInfo
import java.awt.image.BufferedImage
import java.io.ByteArrayOutputStream
import java.io.File
import javax.imageio.ImageIO
import org.jetbrains.skija.ColorAlphaType
import org.jetbrains.skija.Bitmap
import org.jetbrains.skija.ImageInfo
import org.jetbrains.skija.IRect
fun main() {
Window {
@ -157,14 +155,14 @@ import androidx.compose.desktop.Window
import androidx.compose.foundation.Image
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.runtime.remember
import androidx.compose.ui.graphics.asImageAsset
import androidx.compose.ui.graphics.ImageAsset
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.ImageBitmap
import androidx.compose.ui.graphics.asImageBitmap
import org.jetbrains.skija.Image
import java.awt.image.BufferedImage
import java.io.ByteArrayOutputStream
import java.io.File
import javax.imageio.ImageIO
import org.jetbrains.skija.Image
fun main() {
val image = getWindowIcon()
@ -173,7 +171,7 @@ fun main() {
) {
val imageAsset = remember { asImageAsset(image) }
Image(
asset = imageAsset,
bitmap = imageAsset,
modifier = Modifier.fillMaxSize()
)
}
@ -194,11 +192,11 @@ fun getWindowIcon(): BufferedImage {
return image
}
fun asImageAsset(image: BufferedImage): ImageAsset {
fun asImageAsset(image: BufferedImage): ImageBitmap {
val baos = ByteArrayOutputStream()
ImageIO.write(image, "png", baos)
return Image.makeFromEncoded(baos.toByteArray()).asImageAsset()
return Image.makeFromEncoded(baos.toByteArray()).asImageBitmap()
}
```
@ -210,29 +208,26 @@ import androidx.compose.desktop.Window
import androidx.compose.foundation.Image
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.runtime.remember
import androidx.compose.ui.graphics.asImageAsset
import androidx.compose.ui.graphics.ImageAsset
import androidx.compose.ui.Modifier
import androidx.compose.ui.graphics.ImageBitmap
import androidx.compose.ui.graphics.asImageBitmap
import org.jetbrains.skija.Image
import java.awt.image.BufferedImage
import java.io.ByteArrayOutputStream
import java.io.File
import javax.imageio.ImageIO
import org.jetbrains.skija.Image
fun main() {
val image = getWindowIcon()
Window {
val imageAsset = remember { asImageAsset(image) }
Image(
asset = imageAsset,
bitmap = imageAsset,
modifier = Modifier.fillMaxSize()
)
}
val current = AppManager.focusedWindow
if (current != null) {
current.setIcon(image)
}
AppManager.focusedWindow?.setIcon(image)
}
fun getWindowIcon(): BufferedImage {
@ -250,11 +245,11 @@ fun getWindowIcon(): BufferedImage {
return image
}
fun asImageAsset(image: BufferedImage): ImageAsset {
fun asImageAsset(image: BufferedImage): ImageBitmap {
val baos = ByteArrayOutputStream()
ImageIO.write(image, "png", baos)
return Image.makeFromEncoded(baos.toByteArray()).asImageAsset()
return Image.makeFromEncoded(baos.toByteArray()).asImageBitmap()
}
```
@ -270,17 +265,16 @@ import androidx.compose.desktop.Window
import androidx.compose.foundation.Image
import androidx.compose.foundation.layout.fillMaxSize
import androidx.compose.runtime.onActive
import androidx.compose.runtime.onDispose
import androidx.compose.ui.graphics.asImageAsset
import androidx.compose.ui.graphics.ImageAsset
import androidx.compose.ui.Modifier
import androidx.compose.ui.window.Tray
import androidx.compose.ui.graphics.ImageBitmap
import androidx.compose.ui.graphics.asImageBitmap
import androidx.compose.ui.window.MenuItem
import androidx.compose.ui.window.Tray
import org.jetbrains.skija.Image
import java.awt.image.BufferedImage
import java.io.ByteArrayOutputStream
import java.io.File
import javax.imageio.ImageIO
import org.jetbrains.skija.Image
fun main() {
val image = getWindowIcon()
@ -302,7 +296,7 @@ fun main() {
val imageAsset = asImageAsset(image)
Image(
asset = imageAsset,
bitmap = imageAsset,
modifier = Modifier.fillMaxSize()
)
}
@ -328,11 +322,11 @@ fun getWindowIcon(): BufferedImage {
return image
}
fun asImageAsset(image: BufferedImage): ImageAsset {
fun asImageAsset(image: BufferedImage): ImageBitmap {
val baos = ByteArrayOutputStream()
ImageIO.write(image, "png", baos)
return Image.makeFromEncoded(baos.toByteArray()).asImageAsset()
return Image.makeFromEncoded(baos.toByteArray()).asImageBitmap()
}
```
@ -360,7 +354,7 @@ import androidx.compose.ui.res.vectorXmlResource
fun main() {
Window {
Image(
vectorXmlResource("images/compose.xml"),
imageVector = vectorXmlResource("images/compose.xml"),
modifier = Modifier.fillMaxSize()
)
}

Write Preview
Loading…
Cancel
Save