From 02440ca432f1aa4de7aeda563d2493a20148554b Mon Sep 17 00:00:00 2001 From: Thomas Fitzsimmons Date: Fri, 9 Jun 2006 16:07:07 +0000 Subject: String.java, [...]: Merge from GNU Classpath HEAD. 2006-06-09 Thomas Fitzsimmons * java/lang/String.java, classpath/native/jni/classpath/jcl.h, classpath/native/jni/qt-peer/eventmethods.h, classpath/native/jni/qt-peer/qtmenupeer.cpp, classpath/native/jni/qt-peer/.cvsignore, classpath/native/jni/gtk-peer/gdkdisplay.h, classpath/native/jni/gtk-peer/cairographics2d.h, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_CairoGraphics2D.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkFontPeer.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_FreetypeGlyphVector.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkGraphicsEnvironment.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_ComponentGraphicsCopy.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_ComponentGraphics.c, classpath/native/jni/gtk-peer/.cvsignore, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkImage.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkVolatileImage.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkToolkit.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkCanvasPeer.c, classpath/native/jni/gtk-peer/gtkpeer.h, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkClipboard.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_CairoSurface.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkScreenGraphicsDevice.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GdkTextLayout.c, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkFramePeer.c, classpath/native/jni/gtk-peer/Makefile.am, classpath/native/jni/gtk-peer/gnu_java_awt_peer_gtk_GtkComponentPeer.c, classpath/native/jawt/Makefile.am, classpath/native/jawt/.cvsignore, classpath/native/target/Linux/Makefile.in, classpath/native/plugin/gcjwebplugin.cc, classpath/native/plugin/Makefile.am, classpath/native/plugin/.cvsignore, classpath/resource/Makefile.in, classpath/gnu/java/awt/peer/gtk/VolatileImageGraphics.java, classpath/gnu/java/awt/peer/gtk/CairoGraphics2D.java, classpath/gnu/java/awt/peer/gtk/CairoSurface.java, classpath/gnu/java/awt/peer/gtk/GdkFontPeer.java, classpath/gnu/java/awt/peer/gtk/GdkPixbufDecoder.java, classpath/gnu/java/awt/peer/gtk/FreetypeGlyphVector.java, classpath/gnu/java/awt/peer/gtk/GdkGraphicsEnvironment.java, classpath/gnu/java/awt/peer/gtk/GdkGraphics2D.java, classpath/gnu/java/awt/peer/gtk/ComponentGraphicsCopy.java, classpath/gnu/java/awt/peer/gtk/GtkComponentPeer.java, classpath/gnu/java/awt/peer/gtk/GdkGraphics.java, classpath/gnu/java/awt/peer/gtk/GtkToolkit.java, classpath/gnu/java/awt/peer/gtk/GdkScreenGraphicsDevice.java, classpath/gnu/java/awt/peer/gtk/BufferedImageGraphics.java, classpath/gnu/java/awt/peer/gtk/GdkTextLayout.java, classpath/gnu/java/awt/peer/gtk/GdkGraphicsConfiguration.java, classpath/gnu/java/awt/peer/gtk/ComponentGraphics.java, classpath/gnu/java/awt/peer/gtk/CairoSurfaceGraphics.java, classpath/gnu/java/awt/peer/gtk/GtkImage.java, classpath/gnu/java/awt/peer/gtk/GtkVolatileImage.java, classpath/gnu/java/awt/peer/gtk/GdkGlyphVector.java, classpath/gnu/java/awt/peer/gtk/GtkCanvasPeer.java, classpath/gnu/java/awt/peer/swing/SwingContainerPeer.java, classpath/gnu/java/awt/peer/swing/SwingComponent.java, classpath/gnu/java/awt/peer/swing/SwingTextFieldPeer.java, classpath/gnu/java/awt/peer/swing/SwingMenuBarPeer.java, classpath/gnu/java/awt/peer/swing/SwingFramePeer.java, classpath/gnu/java/awt/peer/swing/SwingComponentPeer.java, classpath/gnu/java/awt/peer/swing/SwingWindowPeer.java, classpath/gnu/java/awt/print/JavaPrinterJob.java, classpath/gnu/java/awt/print/PostScriptGraphics2D.java, classpath/gnu/java/awt/print/SpooledDocument.java, classpath/gnu/java/awt/print/JavaPrinterGraphics.java, classpath/gnu/java/awt/BitwiseXORComposite.java, classpath/gnu/java/awt/font/GNUGlyphVector.java, classpath/gnu/java/awt/font/opentype/NameDecoder.java, classpath/gnu/java/awt/java2d/RasterGraphics.java, classpath/gnu/java/awt/java2d/TexturePaintContext.java, classpath/gnu/java/awt/java2d/PolyEdge.java, classpath/gnu/java/awt/java2d/AbstractGraphics2D.java, classpath/gnu/java/awt/java2d/AlphaCompositeContext.java, classpath/gnu/java/awt/java2d/ImagePaint.java, classpath/gnu/java/awt/Buffers.java, classpath/gnu/classpath/Configuration.java.in, classpath/gnu/javax/swing/text/html/CombinedAttributes.java, classpath/gnu/javax/swing/text/html/CharacterAttributeTranslator.java, classpath/gnu/javax/swing/text/html/parser/htmlAttributeSet.java, classpath/gnu/javax/swing/text/html/parser/SmallHtmlAttributeSet.java, classpath/gnu/javax/swing/text/html/ImageViewIconFactory.java, classpath/tools/toolwrapper.c, classpath/tools/gnu/classpath/tools/native2ascii/Native2ASCII.java, classpath/tools/gnu/classpath/tools/native2ascii/Messages.java, classpath/tools/gnu/classpath/tools/getopt/FileArgumentCallback.java, classpath/tools/gnu/classpath/tools/getopt/OptionGroup.java, classpath/tools/gnu/classpath/tools/getopt/OptionException.java, classpath/tools/gnu/classpath/tools/getopt/Messages.java, classpath/tools/gnu/classpath/tools/getopt/Option.java, classpath/tools/gnu/classpath/tools/getopt/Parser.java, classpath/tools/gnu/classpath/tools/getopt/ClasspathToolParser.java, classpath/tools/gnu/classpath/tools/jarsigner/JarSigner.java, classpath/tools/gnu/classpath/tools/jarsigner/Main.java, classpath/tools/gnu/classpath/tools/jarsigner/Messages.java, classpath/tools/gnu/classpath/tools/jarsigner/package.html, classpath/tools/gnu/classpath/tools/keytool/ListCmd.java, classpath/tools/gnu/classpath/tools/keytool/StorePasswdCmd.java, classpath/tools/gnu/classpath/tools/keytool/ExportCmd.java, classpath/tools/gnu/classpath/tools/keytool/GenKeyCmd.java, classpath/tools/gnu/classpath/tools/keytool/Messages.java, classpath/tools/gnu/classpath/tools/keytool/package.html, classpath/tools/gnu/classpath/tools/keytool/Command.java, classpath/tools/gnu/classpath/tools/keytool/IdentityDBCmd.java, classpath/tools/gnu/classpath/tools/keytool/Main.java, classpath/tools/gnu/classpath/tools/keytool/DeleteCmd.java, classpath/tools/gnu/classpath/tools/keytool/CertReqCmd.java, classpath/tools/gnu/classpath/tools/keytool/SelfCertCmd.java, classpath/tools/gnu/classpath/tools/keytool/KeyCloneCmd.java, classpath/tools/gnu/classpath/tools/keytool/KeyPasswdCmd.java, classpath/tools/gnu/classpath/tools/keytool/ImportCmd.java, classpath/tools/gnu/classpath/tools/keytool/PrintCertCmd.java, classpath/tools/gnu/classpath/tools/rmi/registry/package.html, classpath/tools/gnu/classpath/tools/rmi/RMIC.txt, classpath/tools/gnu/classpath/tools/rmi/RMIC.java, classpath/tools/gnu/classpath/tools/appletviewer/ErrorApplet.java, classpath/tools/gnu/classpath/tools/appletviewer/AppletClassLoader.java, classpath/tools/gnu/classpath/tools/appletviewer/CommonAppletContext.java, classpath/tools/gnu/classpath/tools/appletviewer/StandaloneAppletContext.java, classpath/tools/gnu/classpath/tools/appletviewer/AppletSecurityManager.java, classpath/tools/gnu/classpath/tools/appletviewer/PluginAppletContext.java, classpath/tools/gnu/classpath/tools/appletviewer/AppletWarning.java, classpath/tools/gnu/classpath/tools/appletviewer/StandaloneAppletViewer.java, classpath/tools/gnu/classpath/tools/appletviewer/AppletTag.java, classpath/tools/gnu/classpath/tools/appletviewer/ConsoleDialog.java, classpath/tools/gnu/classpath/tools/appletviewer/Main.java, classpath/tools/gnu/classpath/tools/appletviewer/StandaloneAppletWindow.java, classpath/tools/gnu/classpath/tools/appletviewer/PluginAppletViewer.java, classpath/tools/gnu/classpath/tools/appletviewer/TagParser.java, classpath/tools/gnu/classpath/tools/appletviewer/PluginAppletWindow.java, classpath/tools/gnu/classpath/tools/appletviewer/CommonAppletStub.java, classpath/tools/gnu/classpath/tools/serialver/Messages.java, classpath/tools/gnu/classpath/tools/serialver/SerialVer.java, classpath/tools/gnu/classpath/tools/jar/Creator.java, classpath/tools/gnu/classpath/tools/jar/Entry.java, classpath/tools/gnu/classpath/tools/jar/Lister.java, classpath/tools/gnu/classpath/tools/jar/Main.java, classpath/tools/gnu/classpath/tools/jar/Updater.java, classpath/tools/gnu/classpath/tools/jar/Messages.java, classpath/tools/gnu/classpath/tools/jar/Extractor.java, classpath/tools/gnu/classpath/tools/jar/Action.java, classpath/tools/gnu/classpath/tools/jar/Indexer.java, classpath/tools/gnu/classpath/tools/jar/WorkSet.java, classpath/tools/gnu/classpath/tools/giop/GRMIC.txt, classpath/tools/gnu/classpath/tools/giop/grmic/GiopRmicCompiler.java, classpath/tools/gnu/classpath/tools/giop/GRMIC.java, classpath/tools/Makefile.am, classpath/tools/jarsigner.in, classpath/tools/keytool.in, classpath/tools/appletviewer.in, classpath/tools/.cvsignore, classpath/configure.ac, classpath/javax/swing/JTabbedPane.java, classpath/javax/swing/AbstractButton.java, classpath/javax/swing/JViewport.java, classpath/javax/swing/KeyboardManager.java, classpath/javax/swing/JMenuItem.java, classpath/javax/swing/JMenuBar.java, classpath/javax/swing/MenuSelectionManager.java, classpath/javax/swing/JOptionPane.java, classpath/javax/swing/JSpinner.java, classpath/javax/swing/JCheckBoxMenuItem.java, classpath/javax/swing/JEditorPane.java, classpath/javax/swing/JFormattedTextField.java, classpath/javax/swing/JTree.java, classpath/javax/swing/CellRendererPane.java, classpath/javax/swing/JScrollPane.java, classpath/javax/swing/tree/VariableHeightLayoutCache.java, classpath/javax/swing/tree/TreeNode.java, classpath/javax/swing/tree/FixedHeightLayoutCache.java, classpath/javax/swing/tree/DefaultTreeCellEditor.java, classpath/javax/swing/tree/TreePath.java, classpath/javax/swing/tree/RowMapper.java, classpath/javax/swing/tree/DefaultMutableTreeNode.java, classpath/javax/swing/tree/DefaultTreeModel.java, classpath/javax/swing/tree/AbstractLayoutCache.java, classpath/javax/swing/tree/TreeSelectionModel.java, classpath/javax/swing/tree/DefaultTreeSelectionModel.java, classpath/javax/swing/tree/DefaultTreeCellRenderer.java, classpath/javax/swing/tree/ExpandVetoException.java, classpath/javax/swing/JList.java, classpath/javax/swing/table/JTableHeader.java, classpath/javax/swing/table/AbstractTableModel.java, classpath/javax/swing/table/DefaultTableModel.java, classpath/javax/swing/table/TableCellEditor.java, classpath/javax/swing/table/TableCellRenderer.java, classpath/javax/swing/ProgressMonitor.java, classpath/javax/swing/JToolBar.java, classpath/javax/swing/TransferHandler.java, classpath/javax/swing/DefaultCellEditor.java, classpath/javax/swing/DefaultButtonModel.java, classpath/javax/swing/JLayeredPane.java, classpath/javax/swing/text/DefaultEditorKit.java, classpath/javax/swing/text/DefaultCaret.java, classpath/javax/swing/text/FieldView.java, classpath/javax/swing/text/JTextComponent.java, classpath/javax/swing/text/TextAction.java, classpath/javax/swing/text/StyleContext.java, classpath/javax/swing/text/html/HTMLDocument.java, classpath/javax/swing/text/html/MinimalHTMLWriter.java, classpath/javax/swing/text/html/ImageView.java, classpath/javax/swing/text/html/HTMLEditorKit.java, classpath/javax/swing/text/AbstractWriter.java, classpath/javax/swing/text/GapContent.java, classpath/javax/swing/text/Utilities.java, classpath/javax/swing/text/PlainView.java, classpath/javax/swing/UIManager.java, classpath/javax/swing/JSplitPane.java, classpath/javax/swing/JComponent.java, classpath/javax/swing/SwingUtilities.java, classpath/javax/swing/border/AbstractBorder.java, classpath/javax/swing/border/CompoundBorder.java, classpath/javax/swing/border/TitledBorder.java, classpath/javax/swing/border/MatteBorder.java, classpath/javax/swing/border/BevelBorder.java, classpath/javax/swing/RepaintManager.java, classpath/javax/swing/JTable.java, classpath/javax/swing/UIDefaults.java, classpath/javax/swing/DefaultDesktopManager.java, classpath/javax/swing/JMenu.java, classpath/javax/swing/JLabel.java, classpath/javax/swing/JSlider.java, classpath/javax/swing/plaf/basic/BasicToolBarUI.java, classpath/javax/swing/plaf/basic/BasicButtonUI.java, classpath/javax/swing/plaf/basic/BasicOptionPaneUI.java, classpath/javax/swing/plaf/basic/BasicTextAreaUI.java, classpath/javax/swing/plaf/basic/BasicToggleButtonUI.java, classpath/javax/swing/plaf/basic/BasicSpinnerUI.java, classpath/javax/swing/plaf/basic/BasicSliderUI.java, classpath/javax/swing/plaf/basic/BasicTabbedPaneUI.java, classpath/javax/swing/plaf/basic/BasicComboPopup.java, classpath/javax/swing/plaf/basic/BasicCheckBoxUI.java, classpath/javax/swing/plaf/basic/BasicInternalFrameUI.java, classpath/javax/swing/plaf/basic/BasicProgressBarUI.java, classpath/javax/swing/plaf/basic/BasicRadioButtonUI.java, classpath/javax/swing/plaf/basic/BasicPanelUI.java, classpath/javax/swing/plaf/basic/BasicSplitPaneUI.java, classpath/javax/swing/plaf/basic/BasicTreeUI.java, classpath/javax/swing/plaf/basic/BasicTableHeaderUI.java, classpath/javax/swing/plaf/basic/BasicFileChooserUI.java, classpath/javax/swing/plaf/basic/BasicScrollPaneUI.java, classpath/javax/swing/plaf/basic/BasicComboBoxUI.java, classpath/javax/swing/plaf/basic/BasicListUI.java, classpath/javax/swing/plaf/basic/BasicIconFactory.java, classpath/javax/swing/plaf/basic/BasicTextUI.java, classpath/javax/swing/plaf/basic/BasicLookAndFeel.java, classpath/javax/swing/plaf/basic/BasicDirectoryModel.java, classpath/javax/swing/plaf/basic/BasicRootPaneUI.java, classpath/javax/swing/plaf/basic/BasicTableUI.java, classpath/javax/swing/plaf/basic/SharedUIDefaults.java, classpath/javax/swing/plaf/multi/MultiComboBoxUI.java, classpath/javax/swing/plaf/multi/MultiListUI.java, classpath/javax/swing/plaf/multi/MultiSplitPaneUI.java, classpath/javax/swing/plaf/multi/MultiFileChooserUI.java, classpath/javax/swing/plaf/multi/MultiOptionPaneUI.java, classpath/javax/swing/plaf/multi/MultiTabbedPaneUI.java, classpath/javax/swing/plaf/multi/MultiLookAndFeel.java, classpath/javax/swing/plaf/metal/MetalSliderUI.java, classpath/javax/swing/plaf/metal/MetalIconFactory.java, classpath/javax/swing/plaf/metal/MetalComboBoxIcon.java, classpath/javax/swing/plaf/metal/MetalTabbedPaneUI.java, classpath/javax/swing/plaf/metal/MetalLookAndFeel.java, classpath/javax/swing/plaf/metal/MetalCheckBoxUI.java, classpath/javax/swing/plaf/metal/MetalSeparatorUI.java, classpath/javax/swing/plaf/metal/MetalBorders.java, classpath/javax/swing/plaf/metal/MetalSplitPaneDivider.java, classpath/javax/swing/plaf/metal/MetalScrollBarUI.java, classpath/javax/swing/plaf/metal/MetalRootPaneUI.java, classpath/javax/swing/plaf/metal/MetalInternalFrameUI.java, classpath/javax/swing/plaf/metal/MetalRadioButtonUI.java, classpath/javax/swing/plaf/metal/MetalToolTipUI.java, classpath/javax/swing/plaf/metal/MetalInternalFrameTitlePane.java, classpath/javax/swing/plaf/metal/MetalFileChooserUI.java, classpath/javax/swing/plaf/metal/MetalUtils.java, classpath/javax/swing/plaf/metal/MetalComboBoxButton.java, classpath/javax/swing/plaf/metal/MetalPopupMenuSeparatorUI.java, classpath/javax/swing/plaf/metal/MetalButtonUI.java, classpath/javax/swing/JPopupMenu.java, classpath/javax/swing/JProgressBar.java, classpath/javax/swing/WindowConstants.java, classpath/javax/swing/JFrame.java, classpath/javax/swing/JFileChooser.java, classpath/javax/swing/JComboBox.java, classpath/javax/swing/event/EventListenerList.java, classpath/javax/swing/ListSelectionModel.java, classpath/javax/swing/JScrollBar.java, classpath/java/text/SimpleDateFormat.java, classpath/java/text/NumberFormat.java, classpath/java/text/class-dependencies.conf, classpath/java/awt/image/ColorModel.java, classpath/java/awt/image/BufferedImage.java, classpath/java/awt/Window.java, classpath/java/awt/ContainerOrderFocusTraversalPolicy.java, classpath/java/awt/LightweightDispatcher.java, classpath/java/awt/EventDispatchThread.java, classpath/java/awt/BasicStroke.java, classpath/java/awt/ColorPaintContext.java, classpath/java/awt/Container.java, classpath/java/awt/TexturePaint.java, classpath/java/awt/Component.java, classpath/java/awt/Font.java, classpath/java/awt/GraphicsConfiguration.java, classpath/java/awt/DefaultKeyboardFocusManager.java, classpath/java/awt/print/PrinterJob.java, classpath/java/awt/im/InputContext.java, classpath/java/awt/dnd/DragGestureRecognizer.java, classpath/java/awt/Toolkit.java, classpath/java/awt/font/GraphicAttribute.java, classpath/java/awt/font/ImageGraphicAttribute.java, classpath/java/awt/font/GlyphVector.java, classpath/java/awt/font/GlyphMetrics.java, classpath/java/awt/font/ShapeGraphicAttribute.java, classpath/java/awt/Graphics2D.java, classpath/include/gnu_java_awt_peer_gtk_GdkGraphicsEnvironment.h, classpath/include/gnu_java_awt_peer_gtk_ComponentGraphics.h, classpath/include/gnu_java_awt_peer_gtk_CairoGraphics2D.h, classpath/include/gnu_java_awt_peer_gtk_FreetypeGlyphVector.h, classpath/include/gnu_java_awt_peer_gtk_GtkCanvasPeer.h, classpath/include/config.h.in, classpath/include/gnu_java_awt_peer_gtk_GdkTextLayout.h, classpath/include/gnu_java_awt_peer_gtk_GtkComponentPeer.h, classpath/include/gnu_java_awt_peer_gtk_GdkFontPeer.h, classpath/include/gnu_java_awt_peer_gtk_ComponentGraphicsCopy.h, classpath/include/gnu_java_awt_peer_gtk_GtkVolatileImage.h, classpath/include/gnu_java_awt_peer_gtk_GtkImage.h, classpath/include/gnu_java_awt_peer_gtk_CairoSurface.h, classpath/include/gnu_java_awt_peer_gtk_GdkScreenGraphicsDevice.h: Merge from GNU Classpath HEAD. From-SVN: r114510 --- .../java/awt/peer/gtk/BufferedImageGraphics.java | 258 +++++++++++++++++++++ 1 file changed, 258 insertions(+) create mode 100644 libjava/classpath/gnu/java/awt/peer/gtk/BufferedImageGraphics.java (limited to 'libjava/classpath/gnu/java/awt/peer/gtk/BufferedImageGraphics.java') diff --git a/libjava/classpath/gnu/java/awt/peer/gtk/BufferedImageGraphics.java b/libjava/classpath/gnu/java/awt/peer/gtk/BufferedImageGraphics.java new file mode 100644 index 00000000000..d9d300d9103 --- /dev/null +++ b/libjava/classpath/gnu/java/awt/peer/gtk/BufferedImageGraphics.java @@ -0,0 +1,258 @@ +/* BufferedImageGraphics.java + Copyright (C) 2006 Free Software Foundation, Inc. + +This file is part of GNU Classpath. + +GNU Classpath is free software; you can redistribute it and/or modify +it under the terms of the GNU General Public License as published by +the Free Software Foundation; either version 2, or (at your option) +any later version. + +GNU Classpath is distributed in the hope that it will be useful, but +WITHOUT ANY WARRANTY; without even the implied warranty of +MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +General Public License for more details. + +You should have received a copy of the GNU General Public License +along with GNU Classpath; see the file COPYING. If not, write to the +Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA +02110-1301 USA. + +Linking this library statically or dynamically with other modules is +making a combined work based on this library. Thus, the terms and +conditions of the GNU General Public License cover the whole +combination. + +As a special exception, the copyright holders of this library give you +permission to link this library with independent modules to produce an +executable, regardless of the license terms of these independent +modules, and to copy and distribute the resulting executable under +terms of your choice, provided that you also meet, for each linked +independent module, the terms and conditions of the license of that +module. An independent module is a module which is not derived from +or based on this library. If you modify this library, you may extend +this exception to your version of the library, but you are not +obligated to do so. If you do not wish to do so, delete this +exception statement from your version. */ + + +package gnu.java.awt.peer.gtk; + +import java.awt.Color; +import java.awt.Graphics; +import java.awt.Graphics2D; +import java.awt.GraphicsConfiguration; +import java.awt.Image; +import java.awt.Point; +import java.awt.Rectangle; +import java.awt.Shape; +import java.awt.font.GlyphVector; +import java.awt.geom.AffineTransform; +import java.awt.geom.Rectangle2D; +import java.awt.image.BufferedImage; +import java.awt.image.DataBuffer; +import java.awt.image.DataBufferInt; +import java.awt.image.ColorModel; +import java.awt.image.DirectColorModel; +import java.awt.image.RenderedImage; +import java.awt.image.ImageObserver; +import java.util.WeakHashMap; + +/** + * Implementation of Graphics2D on a Cairo surface. + * + * Simutanously maintains a CairoSurface and updates the + * BufferedImage from that after each drawing operation. + */ +public class BufferedImageGraphics extends CairoGraphics2D +{ + /** + * the buffered Image. + */ + private BufferedImage image; + + /** + * Image size. + */ + private int imageWidth, imageHeight; + + /** + * The cairo surface that we actually draw on. + */ + CairoSurface surface; + + /** + * Cache BufferedImageGraphics surfaces. + */ + static WeakHashMap bufferedImages = new WeakHashMap(); + + /** + * Its corresponding cairo_t. + */ + private long cairo_t; + + /** + * Colormodels we recognize for fast copying. + */ + static ColorModel rgb32 = new DirectColorModel(32, 0xFF0000, 0xFF00, 0xFF); + static ColorModel argb32 = new DirectColorModel(32, 0xFF0000, 0xFF00, 0xFF, + 0xFF000000); + private boolean hasFastCM; + private boolean hasAlpha; + + + public BufferedImageGraphics(BufferedImage bi) + { + this.image = bi; + imageWidth = bi.getWidth(); + imageHeight = bi.getHeight(); + if(bi.getColorModel().equals(rgb32)) + { + hasFastCM = true; + hasAlpha = false; + } + else if(bi.getColorModel().equals(argb32)) + { + hasFastCM = true; + hasAlpha = false; + } + else + hasFastCM = false; + + // Cache surfaces. + if( bufferedImages.get( bi ) != null ) + surface = (CairoSurface)bufferedImages.get( bi ); + else + { + surface = new CairoSurface( imageWidth, imageHeight ); + bufferedImages.put(bi, surface); + } + + cairo_t = surface.newCairoContext(); + + DataBuffer db = bi.getRaster().getDataBuffer(); + int[] pixels; + // get pixels + + if(db instanceof CairoSurface) + pixels = ((CairoSurface)db).getPixels(imageWidth * imageHeight); + else + { + if( hasFastCM ) + { + pixels = ((DataBufferInt)db).getData(); + if( !hasAlpha ) + for(int i = 0; i < pixels.length; i++) + pixels[i] &= 0xFFFFFFFF; + } + else + { + pixels = CairoGraphics2D.findSimpleIntegerArray + (image.getColorModel(),image.getData()); + } + } + surface.setPixels( pixels ); + + setup( cairo_t ); + setClip(0, 0, imageWidth, imageHeight); + } + + BufferedImageGraphics(BufferedImageGraphics copyFrom) + { + surface = copyFrom.surface; + cairo_t = surface.newCairoContext(); + imageWidth = copyFrom.imageWidth; + imageHeight = copyFrom.imageHeight; + copy( copyFrom, cairo_t ); + setClip(0, 0, surface.width, surface.height); + } + + /** + * Update a rectangle of the bufferedImage. This can be improved upon a lot. + */ + private void updateBufferedImage(int x, int y, int width, int height) + { + int[] pixels = surface.getPixels(imageWidth * imageHeight); + + if( x > imageWidth || y > imageHeight ) + return; + // Clip edges. + if( x < 0 ){ width = width + x; x = 0; } + if( y < 0 ){ height = height + y; y = 0; } + if( x + width > imageWidth ) + width = imageWidth - x; + if( y + height > imageHeight ) + height = imageHeight - y; + + if( !hasFastCM ) + image.setRGB(x, y, width, height, pixels, + x + y * imageWidth, imageWidth); + else + System.arraycopy(pixels, y * imageWidth, + ((DataBufferInt)image.getRaster().getDataBuffer()). + getData(), y * imageWidth, height * imageWidth); + } + + /** + * Abstract methods. + */ + public Graphics create() + { + return new BufferedImageGraphics(this); + } + + public GraphicsConfiguration getDeviceConfiguration() + { + return null; + } + + protected Rectangle2D getRealBounds() + { + return new Rectangle2D.Double(0.0, 0.0, imageWidth, imageHeight); + } + + public void copyAreaImpl(int x, int y, int width, int height, int dx, int dy) + { + surface.copyAreaNative(x, y, width, height, dx, dy, surface.width); + updateBufferedImage(x + dx, y + dy, width, height); + } + + /** + * Overloaded methods that do actual drawing need to enter the gdk threads + * and also do certain things before and after. + */ + public void draw(Shape s) + { + super.draw(s); + Rectangle r = s.getBounds(); + updateBufferedImage(r.x, r.y, r.width, r.height); + } + + public void fill(Shape s) + { + super.fill(s); + Rectangle r = s.getBounds(); + updateBufferedImage(r.x, r.y, r.width, r.height); + } + + public void drawRenderedImage(RenderedImage image, AffineTransform xform) + { + super.drawRenderedImage(image, xform); + updateBufferedImage(0, 0, imageWidth, imageHeight); + } + + protected boolean drawImage(Image img, AffineTransform xform, + Color bgcolor, ImageObserver obs) + { + boolean rv = super.drawImage(img, xform, bgcolor, obs); + updateBufferedImage(0, 0, imageWidth, imageHeight); + return rv; + } + + public void drawGlyphVector(GlyphVector gv, float x, float y) + { + super.drawGlyphVector(gv, x, y); + updateBufferedImage(0, 0, imageWidth, imageHeight); + } +} + -- cgit v1.2.1