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Diffstat (limited to 'gnu/java/awt/peer/gtk/GdkGraphics.java')
| -rw-r--r-- | gnu/java/awt/peer/gtk/GdkGraphics.java | 519 |
1 files changed, 0 insertions, 519 deletions
diff --git a/gnu/java/awt/peer/gtk/GdkGraphics.java b/gnu/java/awt/peer/gtk/GdkGraphics.java deleted file mode 100644 index a5b9ff135..000000000 --- a/gnu/java/awt/peer/gtk/GdkGraphics.java +++ /dev/null @@ -1,519 +0,0 @@ -/* GdkGraphics.java - Copyright (C) 1998, 1999, 2002, 2005 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 gnu.classpath.Configuration; -import gnu.java.awt.AWTUtilities; - -import java.awt.Color; -import java.awt.Dimension; -import java.awt.Font; -import java.awt.FontMetrics; -import java.awt.Graphics; -import java.awt.Image; -import java.awt.Rectangle; -import java.awt.Shape; -import java.awt.Toolkit; -import java.awt.image.ImageObserver; -import java.text.AttributedCharacterIterator; - -public class GdkGraphics extends Graphics -{ - static - { - if (Configuration.INIT_LOAD_LIBRARY) - { - System.loadLibrary("gtkpeer"); - } - initStaticState (); - } - - static native void initStaticState(); - private final int native_state = GtkGenericPeer.getUniqueInteger (); - - Color color, xorColor; - GtkComponentPeer component; - Font font = new Font ("Dialog", Font.PLAIN, 12); - Rectangle clip; - GtkImage image; - - int xOffset = 0; - int yOffset = 0; - - static final int GDK_COPY = 0, GDK_XOR = 2; - - native void initState (GtkComponentPeer component); - native void initStateUnlocked (GtkComponentPeer component); - native void initState (int width, int height); - native void initFromImage (GtkImage image); - native void nativeCopyState (GdkGraphics g); - - /** - * A cached instance that is used by {@link #create} in order to avoid - * massive allocation of graphics contexts. - */ - GdkGraphics cached = null; - - /** - * A link to the parent context. This is used in {@link #dispose} to put - * this graphics context into the cache. - */ - GdkGraphics parent = null; - - GdkGraphics (GdkGraphics g) - { - parent = g; - copyState (g); - } - - GdkGraphics (int width, int height) - { - initState (width, height); - color = Color.black; - clip = new Rectangle (0, 0, width, height); - font = new Font ("Dialog", Font.PLAIN, 12); - } - - GdkGraphics (GtkImage image) - { - this.image = image; - initFromImage (image); - color = Color.black; - clip = new Rectangle (0, 0, - image.getWidth(null), image.getHeight(null)); - font = new Font ("Dialog", Font.PLAIN, 12); - } - - GdkGraphics (GtkComponentPeer component) - { - this.component = component; - color = Color.black; - - if (component.isRealized ()) - initComponentGraphics (); - else - connectSignals (component); - } - - void initComponentGraphics () - { - initState (component); - color = component.awtComponent.getForeground (); - if (color == null) - color = Color.BLACK; - Dimension d = component.awtComponent.getSize (); - clip = new Rectangle (0, 0, d.width, d.height); - } - - // called back by native side: realize_cb - void initComponentGraphicsUnlocked () - { - initStateUnlocked (component); - color = component.awtComponent.getForeground (); - if (color == null) - color = Color.BLACK; - Dimension d = component.awtComponent.getSize (); - clip = new Rectangle (0, 0, d.width, d.height); - } - - native void connectSignals (GtkComponentPeer component); - - public native void clearRect(int x, int y, int width, int height); - - public void clipRect (int x, int y, int width, int height) - { - if (component != null && ! component.isRealized ()) - return; - - computeIntersection(x, y, width, height, clip); - setClipRectangle (clip.x, clip.y, clip.width, clip.height); - } - - public native void copyArea(int x, int y, int width, int height, - int dx, int dy); - - /** - * Creates a copy of this GdkGraphics instance. This implementation can - * reuse a cached instance to avoid massive instantiation of Graphics objects - * during painting. - * - * @return a copy of this graphics context - */ - public Graphics create() - { - GdkGraphics copy = cached; - if (copy == null) - copy = new GdkGraphics(this); - else - { - copy.copyState(this); - cached = null; - } - return copy; - } - - public native void nativeDispose(); - - /** - * Disposes this graphics object. This puts this graphics context into the - * cache of its parent graphics if there is one. - */ - public void dispose() - { - if (parent != null) - { - parent.cached = this; - parent = null; - } - else - nativeDispose(); - } - - /** - * This is called when this object gets finalized by the garbage collector. - * In addition to {@link Graphics#finalize()} this calls nativeDispose() to - * make sure the native resources are freed before the graphics context is - * thrown away. - */ - public void finalize() - { - super.finalize(); - nativeDispose(); - } - - public boolean drawImage (Image img, int x, int y, - Color bgcolor, ImageObserver observer) - { - if (img != null) - return drawImage(img, x, y, img.getWidth(null), img.getHeight(null), - bgcolor, observer); - return false; - } - - public boolean drawImage (Image img, int x, int y, ImageObserver observer) - { - return drawImage (img, x, y, null, observer); - } - - public boolean drawImage(Image img, int x, int y, int width, int height, - Color bgcolor, ImageObserver observer) - { - if (img != null) - { - if (img instanceof GtkImage) - return ((GtkImage) img).drawImage(this, x, y, width, height, bgcolor, - observer); - return (new GtkImage(img.getSource())).drawImage(this, x, y, width, - height, bgcolor, - observer); - } - return false; - } - - public boolean drawImage (Image img, int x, int y, int width, int height, - ImageObserver observer) - { - return drawImage (img, x, y, width, height, null, observer); - } - - public boolean drawImage (Image img, int dx1, int dy1, int dx2, int dy2, - int sx1, int sy1, int sx2, int sy2, - Color bgcolor, ImageObserver observer) - { - if (img != null) - { - if (img instanceof GtkImage) - return ((GtkImage) img).drawImage(this, dx1, dy1, dx2, dy2, sx1, sy1, - sx2, sy2, bgcolor, observer); - return (new GtkImage(img.getSource())).drawImage(this, dx1, dy1, dx2, - dy2, sx1, sy1, sx2, - sy2, bgcolor, observer); - } - return false; - } - - public boolean drawImage (Image img, int dx1, int dy1, int dx2, int dy2, - int sx1, int sy1, int sx2, int sy2, - ImageObserver observer) - { - return drawImage (img, dx1, dy1, dx2, dy2, - sx1, sy1, sx2, sy2, - null, observer); - } - - public native void drawLine(int x1, int y1, int x2, int y2); - - public native void drawArc(int x, int y, int width, int height, - int startAngle, int arcAngle); - public native void fillArc(int x, int y, int width, int height, - int startAngle, int arcAngle); - public native void drawOval(int x, int y, int width, int height); - public native void fillOval(int x, int y, int width, int height); - - public native void drawPolygon(int[] xPoints, int[] yPoints, int nPoints); - public native void fillPolygon(int[] xPoints, int[] yPoints, int nPoints); - - public native void drawPolyline(int[] xPoints, int[] yPoints, int nPoints); - - public native void drawRect(int x, int y, int width, int height); - public native void fillRect(int x, int y, int width, int height); - - GdkFontPeer getFontPeer() - { - return (GdkFontPeer) getFont().getPeer(); - } - - native void drawString (GdkFontPeer f, String str, int x, int y); - public void drawString (String str, int x, int y) - { - drawString(getFontPeer(), str, x, y); - } - - public void drawString (AttributedCharacterIterator ci, int x, int y) - { - throw new Error ("not implemented"); - } - - public void drawRoundRect(int x, int y, int width, int height, - int arcWidth, int arcHeight) - { - if (arcWidth > width) - arcWidth = width; - if (arcHeight > height) - arcHeight = height; - - int xx = x + width - arcWidth; - int yy = y + height - arcHeight; - - drawArc (x, y, arcWidth, arcHeight, 90, 90); - drawArc (xx, y, arcWidth, arcHeight, 0, 90); - drawArc (xx, yy, arcWidth, arcHeight, 270, 90); - drawArc (x, yy, arcWidth, arcHeight, 180, 90); - - int y1 = y + arcHeight / 2; - int y2 = y + height - arcHeight / 2; - drawLine (x, y1, x, y2); - drawLine (x + width, y1, x + width, y2); - - int x1 = x + arcWidth / 2; - int x2 = x + width - arcWidth / 2; - drawLine (x1, y, x2, y); - drawLine (x1, y + height, x2, y + height); - } - - public void fillRoundRect (int x, int y, int width, int height, - int arcWidth, int arcHeight) - { - if (arcWidth > width) - arcWidth = width; - if (arcHeight > height) - arcHeight = height; - - int xx = x + width - arcWidth; - int yy = y + height - arcHeight; - - fillArc (x, y, arcWidth, arcHeight, 90, 90); - fillArc (xx, y, arcWidth, arcHeight, 0, 90); - fillArc (xx, yy, arcWidth, arcHeight, 270, 90); - fillArc (x, yy, arcWidth, arcHeight, 180, 90); - - fillRect (x, y + arcHeight / 2, width, height - arcHeight + 1); - fillRect (x + arcWidth / 2, y, width - arcWidth + 1, height); - } - - public Shape getClip () - { - return getClipBounds (); - } - - public Rectangle getClipBounds () - { - if (clip == null) - return null; - else - return clip.getBounds(); - } - - public Color getColor () - { - return color; - } - - public Font getFont () - { - return font; - } - - public FontMetrics getFontMetrics (Font font) - { - // Get the font metrics through GtkToolkit to take advantage of - // the metrics cache. - return Toolkit.getDefaultToolkit().getFontMetrics (font); - } - - native void setClipRectangle (int x, int y, int width, int height); - - public void setClip (int x, int y, int width, int height) - { - if ((component != null && ! component.isRealized ()) - || clip == null) - return; - - clip.x = x; - clip.y = y; - clip.width = width; - clip.height = height; - - setClipRectangle (x, y, width, height); - } - - public void setClip (Rectangle clip) - { - setClip (clip.x, clip.y, clip.width, clip.height); - } - - public void setClip (Shape clip) - { - if (clip == null) - { - // Reset clipping. - Dimension d = component.awtComponent.getSize(); - setClip(new Rectangle (0, 0, d.width, d.height)); - } - else - setClip(clip.getBounds()); - } - - private native void setFGColor(int red, int green, int blue); - - public void setColor (Color c) - { - if (c == null) - color = Color.BLACK; - else - color = c; - - if (xorColor == null) /* paint mode */ - setFGColor (color.getRed (), color.getGreen (), color.getBlue ()); - else /* xor mode */ - setFGColor (color.getRed () ^ xorColor.getRed (), - color.getGreen () ^ xorColor.getGreen (), - color.getBlue () ^ xorColor.getBlue ()); - } - - public void setFont (Font font) - { - if (font != null) - this.font = font; - } - - native void setFunction (int gdk_func); - - public void setPaintMode () - { - xorColor = null; - - setFunction (GDK_COPY); - setFGColor (color.getRed (), color.getGreen (), color.getBlue ()); - } - - public void setXORMode (Color c) - { - xorColor = c; - - setFunction (GDK_XOR); - setFGColor (color.getRed () ^ xorColor.getRed (), - color.getGreen () ^ xorColor.getGreen (), - color.getBlue () ^ xorColor.getBlue ()); - } - - public native void translateNative(int x, int y); - - public void translate (int x, int y) - { - if (component != null && ! component.isRealized ()) - return; - - clip.x -= x; - clip.y -= y; - - translateNative (x, y); - } - - /** - * Copies over the state of another GdkGraphics to this instance. This is - * used by the {@link #GdkGraphics(GdkGraphics)} constructor and the - * {@link #create()} method. - * - * @param g the GdkGraphics object to copy the state from - */ - private void copyState(GdkGraphics g) - { - color = g.color; - xorColor = g.xorColor; - font = g.font; - if (font == null) - font = new Font ("Dialog", Font.PLAIN, 12); - clip = new Rectangle (g.clip); - component = g.component; - nativeCopyState(g); - } - - private Rectangle computeIntersection(int x, int y, int w, int h, - Rectangle rect) - { - int x2 = (int) rect.x; - int y2 = (int) rect.y; - int w2 = (int) rect.width; - int h2 = (int) rect.height; - - int dx = (x > x2) ? x : x2; - int dy = (y > y2) ? y : y2; - int dw = (x + w < x2 + w2) ? (x + w - dx) : (x2 + w2 - dx); - int dh = (y + h < y2 + h2) ? (y + h - dy) : (y2 + h2 - dy); - - if (dw >= 0 && dh >= 0) - rect.setBounds(dx, dy, dw, dh); - else - rect.setBounds(0, 0, 0, 0); - - return rect; - } - -} |