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JRE 8 rt.jar - java.* Package Source Code
JRE 8 rt.jar is the JAR file for JRE 8 RT (Runtime) libraries. JRE (Java Runtime) 8 is the runtime environment included in JDK 8. JRE 8 rt.jar libraries are divided into 6 packages:
com.* - Internal Oracle and Sun Microsystems libraries java.* - Standard Java API libraries. javax.* - Extended Java API libraries. jdk.* - JDK supporting libraries. org.* - Third party libraries. sun.* - Old libraries developed by Sun Microsystems.
JAR File Information:
Directory of C:\fyicenter\jdk-1.8.0_191\jre\lib 63,596,151 rt.jar
Here is the list of Java classes of the java.* package in JRE 1.8.0_191 rt.jar. Java source codes are also provided.
✍: FYIcenter
⏎ java/awt/GraphicsConfiguration.java
/* * Copyright (c) 1997, 2013, Oracle and/or its affiliates. All rights reserved. * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms. * * * * * * * * * * * * * * * * * * * * */ package java.awt; import java.awt.geom.AffineTransform; import java.awt.image.BufferedImage; import java.awt.image.ColorModel; import java.awt.image.VolatileImage; import java.awt.image.WritableRaster; import sun.awt.image.SunVolatileImage; /** * The <code>GraphicsConfiguration</code> class describes the * characteristics of a graphics destination such as a printer or monitor. * There can be many <code>GraphicsConfiguration</code> objects associated * with a single graphics device, representing different drawing modes or * capabilities. The corresponding native structure will vary from platform * to platform. For example, on X11 windowing systems, * each visual is a different <code>GraphicsConfiguration</code>. * On Microsoft Windows, <code>GraphicsConfiguration</code>s represent * PixelFormats available in the current resolution and color depth. * <p> * In a virtual device multi-screen environment in which the desktop * area could span multiple physical screen devices, the bounds of the * <code>GraphicsConfiguration</code> objects are relative to the * virtual coordinate system. When setting the location of a * component, use {@link #getBounds() getBounds} to get the bounds of * the desired <code>GraphicsConfiguration</code> and offset the location * with the coordinates of the <code>GraphicsConfiguration</code>, * as the following code sample illustrates: * </p> * * <pre> * Frame f = new Frame(gc); // where gc is a GraphicsConfiguration * Rectangle bounds = gc.getBounds(); * f.setLocation(10 + bounds.x, 10 + bounds.y); </pre> * * <p> * To determine if your environment is a virtual device * environment, call <code>getBounds</code> on all of the * <code>GraphicsConfiguration</code> objects in your system. If * any of the origins of the returned bounds is not (0, 0), * your environment is a virtual device environment. * * <p> * You can also use <code>getBounds</code> to determine the bounds * of the virtual device. To do this, first call <code>getBounds</code> on all * of the <code>GraphicsConfiguration</code> objects in your * system. Then calculate the union of all of the bounds returned * from the calls to <code>getBounds</code>. The union is the * bounds of the virtual device. The following code sample * calculates the bounds of the virtual device. * * <pre>{@code * Rectangle virtualBounds = new Rectangle(); * GraphicsEnvironment ge = GraphicsEnvironment. * getLocalGraphicsEnvironment(); * GraphicsDevice[] gs = * ge.getScreenDevices(); * for (int j = 0; j < gs.length; j++) { * GraphicsDevice gd = gs[j]; * GraphicsConfiguration[] gc = * gd.getConfigurations(); * for (int i=0; i < gc.length; i++) { * virtualBounds = * virtualBounds.union(gc[i].getBounds()); * } * } }</pre> * * @see Window * @see Frame * @see GraphicsEnvironment * @see GraphicsDevice */ /* * REMIND: What to do about capabilities? * The * capabilities of the device can be determined by enumerating the possible * capabilities and checking if the GraphicsConfiguration * implements the interface for that capability. * */ public abstract class GraphicsConfiguration { private static BufferCapabilities defaultBufferCaps; private static ImageCapabilities defaultImageCaps; /** * This is an abstract class that cannot be instantiated directly. * Instances must be obtained from a suitable factory or query method. * * @see GraphicsDevice#getConfigurations * @see GraphicsDevice#getDefaultConfiguration * @see GraphicsDevice#getBestConfiguration * @see Graphics2D#getDeviceConfiguration */ protected GraphicsConfiguration() { } /** * Returns the {@link GraphicsDevice} associated with this * <code>GraphicsConfiguration</code>. * @return a <code>GraphicsDevice</code> object that is * associated with this <code>GraphicsConfiguration</code>. */ public abstract GraphicsDevice getDevice(); /** * Returns a {@link BufferedImage} with a data layout and color model * compatible with this <code>GraphicsConfiguration</code>. This * method has nothing to do with memory-mapping * a device. The returned <code>BufferedImage</code> has * a layout and color model that is closest to this native device * configuration and can therefore be optimally blitted to this * device. * @param width the width of the returned <code>BufferedImage</code> * @param height the height of the returned <code>BufferedImage</code> * @return a <code>BufferedImage</code> whose data layout and color * model is compatible with this <code>GraphicsConfiguration</code>. */ public BufferedImage createCompatibleImage(int width, int height) { ColorModel model = getColorModel(); WritableRaster raster = model.createCompatibleWritableRaster(width, height); return new BufferedImage(model, raster, model.isAlphaPremultiplied(), null); } /** * Returns a <code>BufferedImage</code> that supports the specified * transparency and has a data layout and color model * compatible with this <code>GraphicsConfiguration</code>. This * method has nothing to do with memory-mapping * a device. The returned <code>BufferedImage</code> has a layout and * color model that can be optimally blitted to a device * with this <code>GraphicsConfiguration</code>. * @param width the width of the returned <code>BufferedImage</code> * @param height the height of the returned <code>BufferedImage</code> * @param transparency the specified transparency mode * @return a <code>BufferedImage</code> whose data layout and color * model is compatible with this <code>GraphicsConfiguration</code> * and also supports the specified transparency. * @throws IllegalArgumentException if the transparency is not a valid value * @see Transparency#OPAQUE * @see Transparency#BITMASK * @see Transparency#TRANSLUCENT */ public BufferedImage createCompatibleImage(int width, int height, int transparency) { if (getColorModel().getTransparency() == transparency) { return createCompatibleImage(width, height); } ColorModel cm = getColorModel(transparency); if (cm == null) { throw new IllegalArgumentException("Unknown transparency: " + transparency); } WritableRaster wr = cm.createCompatibleWritableRaster(width, height); return new BufferedImage(cm, wr, cm.isAlphaPremultiplied(), null); } /** * Returns a {@link VolatileImage} with a data layout and color model * compatible with this <code>GraphicsConfiguration</code>. * The returned <code>VolatileImage</code> * may have data that is stored optimally for the underlying graphics * device and may therefore benefit from platform-specific rendering * acceleration. * @param width the width of the returned <code>VolatileImage</code> * @param height the height of the returned <code>VolatileImage</code> * @return a <code>VolatileImage</code> whose data layout and color * model is compatible with this <code>GraphicsConfiguration</code>. * @see Component#createVolatileImage(int, int) * @since 1.4 */ public VolatileImage createCompatibleVolatileImage(int width, int height) { VolatileImage vi = null; try { vi = createCompatibleVolatileImage(width, height, null, Transparency.OPAQUE); } catch (AWTException e) { // shouldn't happen: we're passing in null caps assert false; } return vi; } /** * Returns a {@link VolatileImage} with a data layout and color model * compatible with this <code>GraphicsConfiguration</code>. * The returned <code>VolatileImage</code> * may have data that is stored optimally for the underlying graphics * device and may therefore benefit from platform-specific rendering * acceleration. * @param width the width of the returned <code>VolatileImage</code> * @param height the height of the returned <code>VolatileImage</code> * @param transparency the specified transparency mode * @return a <code>VolatileImage</code> whose data layout and color * model is compatible with this <code>GraphicsConfiguration</code>. * @throws IllegalArgumentException if the transparency is not a valid value * @see Transparency#OPAQUE * @see Transparency#BITMASK * @see Transparency#TRANSLUCENT * @see Component#createVolatileImage(int, int) * @since 1.5 */ public VolatileImage createCompatibleVolatileImage(int width, int height, int transparency) { VolatileImage vi = null; try { vi = createCompatibleVolatileImage(width, height, null, transparency); } catch (AWTException e) { // shouldn't happen: we're passing in null caps assert false; } return vi; } /** * Returns a {@link VolatileImage} with a data layout and color model * compatible with this <code>GraphicsConfiguration</code>, using * the specified image capabilities. * If the <code>caps</code> parameter is null, it is effectively ignored * and this method will create a VolatileImage without regard to * <code>ImageCapabilities</code> constraints. * * The returned <code>VolatileImage</code> has * a layout and color model that is closest to this native device * configuration and can therefore be optimally blitted to this * device. * @return a <code>VolatileImage</code> whose data layout and color * model is compatible with this <code>GraphicsConfiguration</code>. * @param width the width of the returned <code>VolatileImage</code> * @param height the height of the returned <code>VolatileImage</code> * @param caps the image capabilities * @exception AWTException if the supplied image capabilities could not * be met by this graphics configuration * @since 1.4 */ public VolatileImage createCompatibleVolatileImage(int width, int height, ImageCapabilities caps) throws AWTException { return createCompatibleVolatileImage(width, height, caps, Transparency.OPAQUE); } /** * Returns a {@link VolatileImage} with a data layout and color model * compatible with this <code>GraphicsConfiguration</code>, using * the specified image capabilities and transparency value. * If the <code>caps</code> parameter is null, it is effectively ignored * and this method will create a VolatileImage without regard to * <code>ImageCapabilities</code> constraints. * * The returned <code>VolatileImage</code> has * a layout and color model that is closest to this native device * configuration and can therefore be optimally blitted to this * device. * @param width the width of the returned <code>VolatileImage</code> * @param height the height of the returned <code>VolatileImage</code> * @param caps the image capabilities * @param transparency the specified transparency mode * @return a <code>VolatileImage</code> whose data layout and color * model is compatible with this <code>GraphicsConfiguration</code>. * @see Transparency#OPAQUE * @see Transparency#BITMASK * @see Transparency#TRANSLUCENT * @throws IllegalArgumentException if the transparency is not a valid value * @exception AWTException if the supplied image capabilities could not * be met by this graphics configuration * @see Component#createVolatileImage(int, int) * @since 1.5 */ public VolatileImage createCompatibleVolatileImage(int width, int height, ImageCapabilities caps, int transparency) throws AWTException { VolatileImage vi = new SunVolatileImage(this, width, height, transparency, caps); if (caps != null && caps.isAccelerated() && !vi.getCapabilities().isAccelerated()) { throw new AWTException("Supplied image capabilities could not " + "be met by this graphics configuration."); } return vi; } /** * Returns the {@link ColorModel} associated with this * <code>GraphicsConfiguration</code>. * @return a <code>ColorModel</code> object that is associated with * this <code>GraphicsConfiguration</code>. */ public abstract ColorModel getColorModel(); /** * Returns the <code>ColorModel</code> associated with this * <code>GraphicsConfiguration</code> that supports the specified * transparency. * @param transparency the specified transparency mode * @return a <code>ColorModel</code> object that is associated with * this <code>GraphicsConfiguration</code> and supports the * specified transparency or null if the transparency is not a valid * value. * @see Transparency#OPAQUE * @see Transparency#BITMASK * @see Transparency#TRANSLUCENT */ public abstract ColorModel getColorModel(int transparency); /** * Returns the default {@link AffineTransform} for this * <code>GraphicsConfiguration</code>. This * <code>AffineTransform</code> is typically the Identity transform * for most normal screens. The default <code>AffineTransform</code> * maps coordinates onto the device such that 72 user space * coordinate units measure approximately 1 inch in device * space. The normalizing transform can be used to make * this mapping more exact. Coordinates in the coordinate space * defined by the default <code>AffineTransform</code> for screen and * printer devices have the origin in the upper left-hand corner of * the target region of the device, with X coordinates * increasing to the right and Y coordinates increasing downwards. * For image buffers not associated with a device, such as those not * created by <code>createCompatibleImage</code>, * this <code>AffineTransform</code> is the Identity transform. * @return the default <code>AffineTransform</code> for this * <code>GraphicsConfiguration</code>. */ public abstract AffineTransform getDefaultTransform(); /** * * Returns a <code>AffineTransform</code> that can be concatenated * with the default <code>AffineTransform</code> * of a <code>GraphicsConfiguration</code> so that 72 units in user * space equals 1 inch in device space. * <p> * For a particular {@link Graphics2D}, g, one * can reset the transformation to create * such a mapping by using the following pseudocode: * <pre> * GraphicsConfiguration gc = g.getDeviceConfiguration(); * * g.setTransform(gc.getDefaultTransform()); * g.transform(gc.getNormalizingTransform()); * </pre> * Note that sometimes this <code>AffineTransform</code> is identity, * such as for printers or metafile output, and that this * <code>AffineTransform</code> is only as accurate as the information * supplied by the underlying system. For image buffers not * associated with a device, such as those not created by * <code>createCompatibleImage</code>, this * <code>AffineTransform</code> is the Identity transform * since there is no valid distance measurement. * @return an <code>AffineTransform</code> to concatenate to the * default <code>AffineTransform</code> so that 72 units in user * space is mapped to 1 inch in device space. */ public abstract AffineTransform getNormalizingTransform(); /** * Returns the bounds of the <code>GraphicsConfiguration</code> * in the device coordinates. In a multi-screen environment * with a virtual device, the bounds can have negative X * or Y origins. * @return the bounds of the area covered by this * <code>GraphicsConfiguration</code>. * @since 1.3 */ public abstract Rectangle getBounds(); private static class DefaultBufferCapabilities extends BufferCapabilities { public DefaultBufferCapabilities(ImageCapabilities imageCaps) { super(imageCaps, imageCaps, null); } } /** * Returns the buffering capabilities of this * <code>GraphicsConfiguration</code>. * @return the buffering capabilities of this graphics * configuration object * @since 1.4 */ public BufferCapabilities getBufferCapabilities() { if (defaultBufferCaps == null) { defaultBufferCaps = new DefaultBufferCapabilities( getImageCapabilities()); } return defaultBufferCaps; } /** * Returns the image capabilities of this * <code>GraphicsConfiguration</code>. * @return the image capabilities of this graphics * configuration object * @since 1.4 */ public ImageCapabilities getImageCapabilities() { if (defaultImageCaps == null) { defaultImageCaps = new ImageCapabilities(false); } return defaultImageCaps; } /** * Returns whether this {@code GraphicsConfiguration} supports * the {@link GraphicsDevice.WindowTranslucency#PERPIXEL_TRANSLUCENT * PERPIXEL_TRANSLUCENT} kind of translucency. * * @return whether the given GraphicsConfiguration supports * the translucency effects. * * @see Window#setBackground(Color) * * @since 1.7 */ public boolean isTranslucencyCapable() { // Overridden in subclasses return false; } }
⏎ java/awt/GraphicsConfiguration.java
Or download all of them as a single archive file:
File name: jre-rt-java-1.8.0_191-src.zip File size: 6664831 bytes Release date: 2018-10-28 Download
⇒ JRE 8 rt.jar - javax.* Package Source Code
2023-08-23, 248093👍, 4💬
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