REPORT-42238 【10.0.13】JDK11设计器图标模糊问题优化

No.1 将转化SVG图标的功能先上传

designer-base/src/main/java/com/fr/base/svg/SVGIcon.java

@@ -0,0 +1,59 @@
+package com.fr.base.svg;
+
+import javax.swing.Icon;
+import java.awt.Component;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.image.BufferedImage;
+
+/**
+ * SVG转化而来的Icon
+ * @author Yvan
+ * @version 10.0
+ * Created by Yvan on 2020/12/17
+ */
+public class SVGIcon implements Icon {
+
+    private BufferedImage image;
+
+    private static final boolean HI_DPI_SURPORT = SystemScaleUtils.isJreHiDPIEnabled();
+
+    public static final float SYSTEM_SCALE = SystemScaleUtils.sysScale();
+
+    public SVGIcon(BufferedImage image) {
+        this.image = image;
+    }
+
+    @Override
+    public void paintIcon(Component c, Graphics g, int x, int y) {
+        if (HI_DPI_SURPORT) {
+            Graphics2D graphics = (Graphics2D) g.create(x, y, image.getWidth(null), image.getHeight(null));
+            float scale = SYSTEM_SCALE;
+            graphics.scale(1 / scale, 1 / scale);
+            graphics.drawImage(image, 0, 0, null);
+            graphics.scale(1.0D, 1.0D);
+            graphics.dispose();
+        } else {
+            g.drawImage(image, x, y, null);
+        }
+    }
+
+    @Override
+    public int getIconWidth() {
+        return HI_DPI_SURPORT ? (int) (image.getWidth() / SYSTEM_SCALE) : image.getWidth();
+    }
+
+    @Override
+    public int getIconHeight() {
+        return HI_DPI_SURPORT ? (int) (image.getHeight() / SYSTEM_SCALE) : image.getHeight();
+    }
+
+    /**
+     * 外界读取高清图标
+     * @param url
+     * @return
+     */
+    public static Icon readSVGIcon(String url) {
+        return new SVGIcon((BufferedImage) SVGLoader.load(url));
+    }
+}

designer-base/src/main/java/com/fr/base/svg/SVGLoader.java

@@ -0,0 +1,74 @@
+package com.fr.base.svg;
+
+import com.fr.general.IOUtils;
+import org.apache.batik.transcoder.TranscoderException;
+import org.apache.batik.transcoder.TranscoderInput;
+import org.apache.xmlgraphics.java2d.Dimension2DDouble;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+import java.awt.Image;
+import java.io.IOException;
+import java.net.URL;
+
+/**
+ * SVG图标加载器
+ * @author Yvan
+ * @version 10.0
+ * Created by Yvan on 2020/12/17
+ */
+public class SVGLoader {
+    public static final int ICON_DEFAULT_SIZE = 16;
+
+    public SVGLoader() {
+    }
+
+    @Nullable
+    public static Image load(@NotNull String url) {
+        try {
+            return load(IOUtils.getResource(url, SVGLoader.class), SVGIcon.SYSTEM_SCALE);
+        } catch (IOException ignore) {
+            return null;
+        }
+    }
+
+    @Nullable
+    public static Image load(@NotNull URL url) throws IOException {
+        return load(url, SVGIcon.SYSTEM_SCALE);
+    }
+
+    @Nullable
+    public static Image load(@NotNull URL url, double scale) throws IOException {
+        try {
+            String svgUri = url.toString();
+            TranscoderInput input = new TranscoderInput(svgUri);
+            return SVGTranscoder.createImage(scale, input).getImage();
+        } catch (TranscoderException e) {
+            throw new IOException(e);
+        }
+    }
+
+    @Nullable
+    public static Image load(@NotNull URL url, double scale, Dimension2DDouble dimension) throws IOException {
+        try {
+            String svgUri = url.toString();
+            TranscoderInput input = new TranscoderInput(svgUri);
+            return SVGTranscoder.createImage(scale, input,
+                    (float) (dimension.getWidth() * scale), (float) (dimension.getHeight() * scale)).getImage();
+        } catch (TranscoderException e) {
+            throw new IOException(e);
+        }
+    }
+
+
+    @Nullable
+    public static Image load(@NotNull URL url, double scale, double width, double height) throws IOException {
+        try {
+            String svgUri = url.toString();
+            TranscoderInput input = new TranscoderInput(svgUri);
+            return SVGTranscoder.createImage(scale, input, (float) (width * scale), (float) (height * scale)).getImage();
+        } catch (TranscoderException e) {
+            throw new IOException(e);
+        }
+    }
+}

designer-base/src/main/java/com/fr/base/svg/SVGTranscoder.java

@@ -0,0 +1,170 @@
+package com.fr.base.svg;
+
+import com.fr.stable.AssistUtils;
+import com.fr.value.AtomicNotNullLazyValue;
+import org.apache.batik.anim.dom.SAXSVGDocumentFactory;
+import org.apache.batik.anim.dom.SVGOMDocument;
+import org.apache.batik.bridge.BridgeContext;
+import org.apache.batik.bridge.UserAgent;
+import org.apache.batik.transcoder.SVGAbstractTranscoder;
+import org.apache.batik.transcoder.TranscoderException;
+import org.apache.batik.transcoder.TranscoderInput;
+import org.apache.batik.transcoder.TranscoderOutput;
+import org.apache.batik.transcoder.image.ImageTranscoder;
+import org.apache.batik.util.XMLResourceDescriptor;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.w3c.dom.Element;
+import org.w3c.dom.svg.SVGDocument;
+
+import java.awt.GraphicsDevice;
+import java.awt.GraphicsEnvironment;
+import java.awt.Rectangle;
+import java.awt.geom.AffineTransform;
+import java.awt.image.BufferedImage;
+import java.io.IOException;
+import java.io.StringReader;
+
+/**
+ * 可以根据某个缩放倍数scale，将SVG图片转化为Image对象
+ * @author Yvan
+ * @version 10.0
+ * Created by Yvan on 2020/12/17
+ */
+public class SVGTranscoder extends ImageTranscoder {
+
+    private static final float DEFAULT_VALUE = -1.0F;
+    public static final float ICON_DEFAULT_SIZE = 16F;
+    private float origDocWidth;
+    private float origDocHeight;
+    @Nullable
+    private BufferedImage image;
+    private final double scale;
+
+    @NotNull
+    private static AtomicNotNullLazyValue<Double> iconMaxSize = new AtomicNotNullLazyValue<Double>() {
+        @NotNull
+        @Override
+        protected Double compute() {
+            double maxSize = Double.MAX_VALUE;
+            if (!GraphicsEnvironment.isHeadless()) {
+                GraphicsDevice defaultScreenDevice = GraphicsEnvironment
+                        .getLocalGraphicsEnvironment()
+                        .getDefaultScreenDevice();
+                Rectangle bounds = defaultScreenDevice.getDefaultConfiguration().getBounds();
+                AffineTransform tx = defaultScreenDevice
+                        .getDefaultConfiguration()
+                        .getDefaultTransform();
+                maxSize = Math.max(bounds.width * tx.getScaleX(), bounds.height * tx.getScaleY());
+            }
+            return maxSize;
+        }
+    };
+
+    public SVGTranscoder(double scale) {
+        this.scale = scale;
+        this.width = ICON_DEFAULT_SIZE;
+        this.height = ICON_DEFAULT_SIZE;
+    }
+
+    public final float getOrigDocWidth() {
+        return this.origDocWidth;
+    }
+
+    public final void setOrigDocWidth(float origDocWidth) {
+        this.origDocWidth = origDocWidth;
+    }
+
+    public final float getOrigDocHeight() {
+        return this.origDocHeight;
+    }
+
+    public final void setOrigDocHeight(float origDocHeight) {
+        this.origDocHeight = origDocHeight;
+    }
+
+    public static double getIconMaxSize() {
+        return iconMaxSize.getValue();
+    }
+
+    @Nullable
+    public final BufferedImage getImage() {
+        return this.image;
+    }
+
+    @NotNull
+    public static SVGTranscoder createImage(double scale, @NotNull TranscoderInput input) throws TranscoderException {
+        return createImage(scale, input, -1, -1);
+    }
+
+    @NotNull
+    public static SVGTranscoder createImage(double scale, @NotNull TranscoderInput input, float overriddenWidth, float overriddenHeight) throws TranscoderException {
+        SVGTranscoder transcoder = new SVGTranscoder(scale);
+        if (!AssistUtils.equals(overriddenWidth, DEFAULT_VALUE)) {
+            transcoder.addTranscodingHint(SVGAbstractTranscoder.KEY_WIDTH, overriddenWidth);
+        }
+
+        if (!AssistUtils.equals(overriddenHeight, DEFAULT_VALUE)) {
+            transcoder.addTranscodingHint(SVGAbstractTranscoder.KEY_HEIGHT, overriddenHeight);
+        }
+
+        double iconMaxSize = SVGTranscoder.iconMaxSize.getValue();
+        transcoder.addTranscodingHint(SVGAbstractTranscoder.KEY_MAX_WIDTH, (float) iconMaxSize);
+        transcoder.addTranscodingHint(SVGAbstractTranscoder.KEY_MAX_HEIGHT, (float) iconMaxSize);
+        transcoder.transcode(input, null);
+        return transcoder;
+    }
+
+    private static SVGDocument createFallbackPlaceholder() {
+        try {
+            String fallbackIcon = "<svg xmlns=\"http://www.w3.org/2000/svg\" width=\"16\" height=\"16\" viewBox=\"0 0 16 16\">\n" +
+                    "  <rect x=\"1\" y=\"1\" width=\"14\" height=\"14\" fill=\"none\" stroke=\"red\" stroke-width=\"2\"/>\n" +
+                    "  <line x1=\"1\" y1=\"1\" x2=\"15\" y2=\"15\" stroke=\"red\" stroke-width=\"2\"/>\n" +
+                    "  <line x1=\"1\" y1=\"15\" x2=\"15\" y2=\"1\" stroke=\"red\" stroke-width=\"2\"/>\n" +
+                    "</svg>\n";
+
+            SAXSVGDocumentFactory factory = new SAXSVGDocumentFactory(XMLResourceDescriptor.getXMLParserClassName());
+            return (SVGDocument) factory.createDocument(null, new StringReader(fallbackIcon));
+        } catch (IOException e) {
+            throw new IllegalStateException(e);
+        }
+    }
+
+    @Override
+    protected void setImageSize(float docWidth, float docHeight) {
+        super.setImageSize((float) (docWidth * this.scale), (float) (docHeight * this.scale));
+        this.origDocWidth = docWidth;
+        this.origDocHeight = docHeight;
+    }
+
+    @Override
+    @NotNull
+    public BufferedImage createImage(int width, int height) {
+        return new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
+    }
+
+    @Override
+    public void writeImage(@NotNull BufferedImage image, @Nullable TranscoderOutput output) {
+        this.image = image;
+    }
+
+    @Override
+    @NotNull
+    protected UserAgent createUserAgent() {
+        return new SVGAbstractTranscoderUserAgent() {
+            @Override
+            @NotNull
+            public SVGDocument getBrokenLinkDocument(@NotNull Element e, @NotNull String url, @NotNull String message) {
+                return createFallbackPlaceholder();
+            }
+        };
+    }
+
+    /**
+     * 开放访问权限
+     */
+    @Override
+    public BridgeContext createBridgeContext(SVGOMDocument doc) {
+        return super.createBridgeContext(doc);
+    }
+}

designer-base/src/main/java/com/fr/base/svg/SystemScaleUtils.java

@@ -0,0 +1,96 @@
+package com.fr.base.svg;
+
+import com.fr.log.FineLoggerFactory;
+import com.fr.stable.StableUtils;
+import com.fr.stable.os.OperatingSystem;
+import org.jetbrains.annotations.NotNull;
+
+import java.awt.GraphicsConfiguration;
+import java.awt.GraphicsDevice;
+import java.awt.GraphicsEnvironment;
+import java.lang.reflect.Method;
+import java.util.concurrent.atomic.AtomicReference;
+
+/**
+ * 获取系统Scale相关的工具类
+ * @author Yvan
+ * @version 10.0
+ * Created by Yvan on 2020/12/17
+ */
+public class SystemScaleUtils {
+
+    private static final AtomicReference<Boolean> JRE_HIDPI = new AtomicReference<>();
+
+    private static final String HI_DPI = "hidpi";
+
+    /**
+     * 判断是否支持高清
+     * @return
+     */
+    public static boolean isJreHiDPIEnabled() {
+        if (JRE_HIDPI.get() != null) {
+            return JRE_HIDPI.get();
+        }
+        if (OperatingSystem.isMacos()) {
+            // 如果是mac os系统，直接返回true
+            return true;
+        }
+        if (OperatingSystem.isWindows() && StableUtils.getMajorJavaVersion() <= 8) {
+            // 如果是jdk8 + Windows系统，直接返回false
+            return false;
+        }
+        synchronized (JRE_HIDPI) {
+            if (JRE_HIDPI.get() != null) {
+                return JRE_HIDPI.get();
+            }
+            boolean result = false;
+            if (getBooleanProperty(HI_DPI, true)) {
+                try {
+                    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
+                    Class<?> sunGraphicsEnvironmentClass = Class.forName("sun.java2d.SunGraphicsEnvironment");
+                    if (sunGraphicsEnvironmentClass.isInstance(ge)) {
+                        try {
+                            Method method = sunGraphicsEnvironmentClass.getDeclaredMethod("isUIScaleEnabled");
+                            method.setAccessible(true);
+                            result = (Boolean)method.invoke(ge);
+                        }
+                        catch (NoSuchMethodException e) {
+                            FineLoggerFactory.getLogger().error(e.getMessage());
+                        }
+                    }
+                }
+                catch (Throwable ignore) {
+                }
+            }
+            JRE_HIDPI.set(result);
+            return result;
+        }
+    }
+
+    public static boolean getBooleanProperty(@NotNull final String key, final boolean defaultValue) {
+        final String value = System.getProperty(key);
+        return value == null ? defaultValue : Boolean.parseBoolean(value);
+    }
+
+    /**
+     * 获取系统Scale
+     * @return
+     */
+    public static float sysScale() {
+        float scale = 1.0f;
+        // 先判断是否支持高清，不支持代表此时是Windows + jdk8 的设计器，返回的scale值为1.0
+        if (isJreHiDPIEnabled()) {
+            // 获取屏幕图形设备对象
+            GraphicsDevice graphicsDevice = GraphicsEnvironment.getLocalGraphicsEnvironment().getDefaultScreenDevice();
+            if (graphicsDevice != null) {
+                // 获取图形配置对象
+                GraphicsConfiguration configuration = graphicsDevice.getDefaultConfiguration();
+                if (configuration != null && configuration.getDevice().getType() != GraphicsDevice.TYPE_PRINTER) {
+                    // 获取屏幕缩放率，mac下固定为2，Windows+jdk11则将得到用户设置的dpi值
+                    scale = (float) configuration.getDefaultTransform().getScaleX();
+                }
+            }
+        }
+        return scale;
+    }
+}