Java example source code file (DebugGraphics.java)
The DebugGraphics.java Java example source code/*
* Copyright (c) 1997, 2010, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation. Oracle designates this
* particular file as subject to the "Classpath" exception as provided
* by Oracle in the LICENSE file that accompanied this code.
*
* This code 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
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
package javax.swing;
import java.awt.*;
import java.awt.image.*;
import java.text.AttributedCharacterIterator;
/**
* Graphics subclass supporting graphics debugging. Overrides most methods
* from Graphics. DebugGraphics objects are rarely created by hand. They
* are most frequently created automatically when a JComponent's
* debugGraphicsOptions are changed using the setDebugGraphicsOptions()
* method.
* <p>
* NOTE: You must turn off double buffering to use DebugGraphics:
* RepaintManager repaintManager = RepaintManager.currentManager(component);
* repaintManager.setDoubleBufferingEnabled(false);
*
* @see JComponent#setDebugGraphicsOptions
* @see RepaintManager#currentManager
* @see RepaintManager#setDoubleBufferingEnabled
*
* @author Dave Karlton
*/
public class DebugGraphics extends Graphics {
Graphics graphics;
Image buffer;
int debugOptions;
int graphicsID = graphicsCount++;
int xOffset, yOffset;
private static int graphicsCount = 0;
private static ImageIcon imageLoadingIcon = new ImageIcon();
/** Log graphics operations. */
public static final int LOG_OPTION = 1 << 0;
/** Flash graphics operations. */
public static final int FLASH_OPTION = 1 << 1;
/** Show buffered operations in a separate <code>Frame. */
public static final int BUFFERED_OPTION = 1 << 2;
/** Don't debug graphics operations. */
public static final int NONE_OPTION = -1;
static {
JComponent.DEBUG_GRAPHICS_LOADED = true;
}
/**
* Constructs a new debug graphics context that supports slowed
* down drawing.
*/
public DebugGraphics() {
super();
buffer = null;
xOffset = yOffset = 0;
}
/**
* Constructs a debug graphics context from an existing graphics
* context that slows down drawing for the specified component.
*
* @param graphics the Graphics context to slow down
* @param component the JComponent to draw slowly
*/
public DebugGraphics(Graphics graphics, JComponent component) {
this(graphics);
setDebugOptions(component.shouldDebugGraphics());
}
/**
* Constructs a debug graphics context from an existing graphics
* context that supports slowed down drawing.
*
* @param graphics the Graphics context to slow down
*/
public DebugGraphics(Graphics graphics) {
this();
this.graphics = graphics;
}
/**
* Overrides <code>Graphics.create to return a DebugGraphics object.
*/
public Graphics create() {
DebugGraphics debugGraphics;
debugGraphics = new DebugGraphics();
debugGraphics.graphics = graphics.create();
debugGraphics.debugOptions = debugOptions;
debugGraphics.buffer = buffer;
return debugGraphics;
}
/**
* Overrides <code>Graphics.create to return a DebugGraphics object.
*/
public Graphics create(int x, int y, int width, int height) {
DebugGraphics debugGraphics;
debugGraphics = new DebugGraphics();
debugGraphics.graphics = graphics.create(x, y, width, height);
debugGraphics.debugOptions = debugOptions;
debugGraphics.buffer = buffer;
debugGraphics.xOffset = xOffset + x;
debugGraphics.yOffset = yOffset + y;
return debugGraphics;
}
//------------------------------------------------
// NEW METHODS
//------------------------------------------------
/**
* Sets the Color used to flash drawing operations.
*/
public static void setFlashColor(Color flashColor) {
info().flashColor = flashColor;
}
/**
* Returns the Color used to flash drawing operations.
* @see #setFlashColor
*/
public static Color flashColor() {
return info().flashColor;
}
/**
* Sets the time delay of drawing operation flashing.
*/
public static void setFlashTime(int flashTime) {
info().flashTime = flashTime;
}
/**
* Returns the time delay of drawing operation flashing.
* @see #setFlashTime
*/
public static int flashTime() {
return info().flashTime;
}
/**
* Sets the number of times that drawing operations will flash.
*/
public static void setFlashCount(int flashCount) {
info().flashCount = flashCount;
}
/** Returns the number of times that drawing operations will flash.
* @see #setFlashCount
*/
public static int flashCount() {
return info().flashCount;
}
/** Sets the stream to which the DebugGraphics logs drawing operations.
*/
public static void setLogStream(java.io.PrintStream stream) {
info().stream = stream;
}
/** Returns the stream to which the DebugGraphics logs drawing operations.
* @see #setLogStream
*/
public static java.io.PrintStream logStream() {
return info().stream;
}
/** Sets the Font used for text drawing operations.
*/
public void setFont(Font aFont) {
if (debugLog()) {
info().log(toShortString() + " Setting font: " + aFont);
}
graphics.setFont(aFont);
}
/** Returns the Font used for text drawing operations.
* @see #setFont
*/
public Font getFont() {
return graphics.getFont();
}
/** Sets the color to be used for drawing and filling lines and shapes.
*/
public void setColor(Color aColor) {
if (debugLog()) {
info().log(toShortString() + " Setting color: " + aColor);
}
graphics.setColor(aColor);
}
/** Returns the Color used for text drawing operations.
* @see #setColor
*/
public Color getColor() {
return graphics.getColor();
}
//-----------------------------------------------
// OVERRIDDEN METHODS
//------------------------------------------------
/**
* Overrides <code>Graphics.getFontMetrics.
*/
public FontMetrics getFontMetrics() {
return graphics.getFontMetrics();
}
/**
* Overrides <code>Graphics.getFontMetrics.
*/
public FontMetrics getFontMetrics(Font f) {
return graphics.getFontMetrics(f);
}
/**
* Overrides <code>Graphics.translate.
*/
public void translate(int x, int y) {
if (debugLog()) {
info().log(toShortString() +
" Translating by: " + new Point(x, y));
}
xOffset += x;
yOffset += y;
graphics.translate(x, y);
}
/**
* Overrides <code>Graphics.setPaintMode.
*/
public void setPaintMode() {
if (debugLog()) {
info().log(toShortString() + " Setting paint mode");
}
graphics.setPaintMode();
}
/**
* Overrides <code>Graphics.setXORMode.
*/
public void setXORMode(Color aColor) {
if (debugLog()) {
info().log(toShortString() + " Setting XOR mode: " + aColor);
}
graphics.setXORMode(aColor);
}
/**
* Overrides <code>Graphics.getClipBounds.
*/
public Rectangle getClipBounds() {
return graphics.getClipBounds();
}
/**
* Overrides <code>Graphics.clipRect.
*/
public void clipRect(int x, int y, int width, int height) {
graphics.clipRect(x, y, width, height);
if (debugLog()) {
info().log(toShortString() +
" Setting clipRect: " + (new Rectangle(x, y, width, height)) +
" New clipRect: " + graphics.getClip());
}
}
/**
* Overrides <code>Graphics.setClip.
*/
public void setClip(int x, int y, int width, int height) {
graphics.setClip(x, y, width, height);
if (debugLog()) {
info().log(toShortString() +
" Setting new clipRect: " + graphics.getClip());
}
}
/**
* Overrides <code>Graphics.getClip.
*/
public Shape getClip() {
return graphics.getClip();
}
/**
* Overrides <code>Graphics.setClip.
*/
public void setClip(Shape clip) {
graphics.setClip(clip);
if (debugLog()) {
info().log(toShortString() +
" Setting new clipRect: " + graphics.getClip());
}
}
/**
* Overrides <code>Graphics.drawRect.
*/
public void drawRect(int x, int y, int width, int height) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info().log(toShortString() +
" Drawing rect: " +
new Rectangle(x, y, width, height));
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.drawRect(x, y, width, height);
debugGraphics.dispose();
}
} else if (debugFlash()) {
Color oldColor = getColor();
int i, count = (info.flashCount * 2) - 1;
for (i = 0; i < count; i++) {
graphics.setColor((i % 2) == 0 ? info.flashColor : oldColor);
graphics.drawRect(x, y, width, height);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
graphics.setColor(oldColor);
}
graphics.drawRect(x, y, width, height);
}
/**
* Overrides <code>Graphics.fillRect.
*/
public void fillRect(int x, int y, int width, int height) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info().log(toShortString() +
" Filling rect: " +
new Rectangle(x, y, width, height));
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.fillRect(x, y, width, height);
debugGraphics.dispose();
}
} else if (debugFlash()) {
Color oldColor = getColor();
int i, count = (info.flashCount * 2) - 1;
for (i = 0; i < count; i++) {
graphics.setColor((i % 2) == 0 ? info.flashColor : oldColor);
graphics.fillRect(x, y, width, height);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
graphics.setColor(oldColor);
}
graphics.fillRect(x, y, width, height);
}
/**
* Overrides <code>Graphics.clearRect.
*/
public void clearRect(int x, int y, int width, int height) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info().log(toShortString() +
" Clearing rect: " +
new Rectangle(x, y, width, height));
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.clearRect(x, y, width, height);
debugGraphics.dispose();
}
} else if (debugFlash()) {
Color oldColor = getColor();
int i, count = (info.flashCount * 2) - 1;
for (i = 0; i < count; i++) {
graphics.setColor((i % 2) == 0 ? info.flashColor : oldColor);
graphics.clearRect(x, y, width, height);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
graphics.setColor(oldColor);
}
graphics.clearRect(x, y, width, height);
}
/**
* Overrides <code>Graphics.drawRoundRect.
*/
public void drawRoundRect(int x, int y, int width, int height,
int arcWidth, int arcHeight) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info().log(toShortString() +
" Drawing round rect: " +
new Rectangle(x, y, width, height) +
" arcWidth: " + arcWidth +
" archHeight: " + arcHeight);
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.drawRoundRect(x, y, width, height,
arcWidth, arcHeight);
debugGraphics.dispose();
}
} else if (debugFlash()) {
Color oldColor = getColor();
int i, count = (info.flashCount * 2) - 1;
for (i = 0; i < count; i++) {
graphics.setColor((i % 2) == 0 ? info.flashColor : oldColor);
graphics.drawRoundRect(x, y, width, height,
arcWidth, arcHeight);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
graphics.setColor(oldColor);
}
graphics.drawRoundRect(x, y, width, height, arcWidth, arcHeight);
}
/**
* Overrides <code>Graphics.fillRoundRect.
*/
public void fillRoundRect(int x, int y, int width, int height,
int arcWidth, int arcHeight) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info().log(toShortString() +
" Filling round rect: " +
new Rectangle(x, y, width, height) +
" arcWidth: " + arcWidth +
" archHeight: " + arcHeight);
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.fillRoundRect(x, y, width, height,
arcWidth, arcHeight);
debugGraphics.dispose();
}
} else if (debugFlash()) {
Color oldColor = getColor();
int i, count = (info.flashCount * 2) - 1;
for (i = 0; i < count; i++) {
graphics.setColor((i % 2) == 0 ? info.flashColor : oldColor);
graphics.fillRoundRect(x, y, width, height,
arcWidth, arcHeight);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
graphics.setColor(oldColor);
}
graphics.fillRoundRect(x, y, width, height, arcWidth, arcHeight);
}
/**
* Overrides <code>Graphics.drawLine.
*/
public void drawLine(int x1, int y1, int x2, int y2) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info().log(toShortString() +
" Drawing line: from " + pointToString(x1, y1) +
" to " + pointToString(x2, y2));
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.drawLine(x1, y1, x2, y2);
debugGraphics.dispose();
}
} else if (debugFlash()) {
Color oldColor = getColor();
int i, count = (info.flashCount * 2) - 1;
for (i = 0; i < count; i++) {
graphics.setColor((i % 2) == 0 ? info.flashColor : oldColor);
graphics.drawLine(x1, y1, x2, y2);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
graphics.setColor(oldColor);
}
graphics.drawLine(x1, y1, x2, y2);
}
/**
* Overrides <code>Graphics.draw3DRect.
*/
public void draw3DRect(int x, int y, int width, int height,
boolean raised) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info().log(toShortString() +
" Drawing 3D rect: " +
new Rectangle(x, y, width, height) +
" Raised bezel: " + raised);
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.draw3DRect(x, y, width, height, raised);
debugGraphics.dispose();
}
} else if (debugFlash()) {
Color oldColor = getColor();
int i, count = (info.flashCount * 2) - 1;
for (i = 0; i < count; i++) {
graphics.setColor((i % 2) == 0 ? info.flashColor : oldColor);
graphics.draw3DRect(x, y, width, height, raised);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
graphics.setColor(oldColor);
}
graphics.draw3DRect(x, y, width, height, raised);
}
/**
* Overrides <code>Graphics.fill3DRect.
*/
public void fill3DRect(int x, int y, int width, int height,
boolean raised) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info().log(toShortString() +
" Filling 3D rect: " +
new Rectangle(x, y, width, height) +
" Raised bezel: " + raised);
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.fill3DRect(x, y, width, height, raised);
debugGraphics.dispose();
}
} else if (debugFlash()) {
Color oldColor = getColor();
int i, count = (info.flashCount * 2) - 1;
for (i = 0; i < count; i++) {
graphics.setColor((i % 2) == 0 ? info.flashColor : oldColor);
graphics.fill3DRect(x, y, width, height, raised);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
graphics.setColor(oldColor);
}
graphics.fill3DRect(x, y, width, height, raised);
}
/**
* Overrides <code>Graphics.drawOval.
*/
public void drawOval(int x, int y, int width, int height) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info().log(toShortString() +
" Drawing oval: " +
new Rectangle(x, y, width, height));
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.drawOval(x, y, width, height);
debugGraphics.dispose();
}
} else if (debugFlash()) {
Color oldColor = getColor();
int i, count = (info.flashCount * 2) - 1;
for (i = 0; i < count; i++) {
graphics.setColor((i % 2) == 0 ? info.flashColor : oldColor);
graphics.drawOval(x, y, width, height);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
graphics.setColor(oldColor);
}
graphics.drawOval(x, y, width, height);
}
/**
* Overrides <code>Graphics.fillOval.
*/
public void fillOval(int x, int y, int width, int height) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info().log(toShortString() +
" Filling oval: " +
new Rectangle(x, y, width, height));
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.fillOval(x, y, width, height);
debugGraphics.dispose();
}
} else if (debugFlash()) {
Color oldColor = getColor();
int i, count = (info.flashCount * 2) - 1;
for (i = 0; i < count; i++) {
graphics.setColor((i % 2) == 0 ? info.flashColor : oldColor);
graphics.fillOval(x, y, width, height);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
graphics.setColor(oldColor);
}
graphics.fillOval(x, y, width, height);
}
/**
* Overrides <code>Graphics.drawArc.
*/
public void drawArc(int x, int y, int width, int height,
int startAngle, int arcAngle) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info().log(toShortString() +
" Drawing arc: " +
new Rectangle(x, y, width, height) +
" startAngle: " + startAngle +
" arcAngle: " + arcAngle);
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.drawArc(x, y, width, height,
startAngle, arcAngle);
debugGraphics.dispose();
}
} else if (debugFlash()) {
Color oldColor = getColor();
int i, count = (info.flashCount * 2) - 1;
for (i = 0; i < count; i++) {
graphics.setColor((i % 2) == 0 ? info.flashColor : oldColor);
graphics.drawArc(x, y, width, height, startAngle, arcAngle);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
graphics.setColor(oldColor);
}
graphics.drawArc(x, y, width, height, startAngle, arcAngle);
}
/**
* Overrides <code>Graphics.fillArc.
*/
public void fillArc(int x, int y, int width, int height,
int startAngle, int arcAngle) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info().log(toShortString() +
" Filling arc: " +
new Rectangle(x, y, width, height) +
" startAngle: " + startAngle +
" arcAngle: " + arcAngle);
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.fillArc(x, y, width, height,
startAngle, arcAngle);
debugGraphics.dispose();
}
} else if (debugFlash()) {
Color oldColor = getColor();
int i, count = (info.flashCount * 2) - 1;
for (i = 0; i < count; i++) {
graphics.setColor((i % 2) == 0 ? info.flashColor : oldColor);
graphics.fillArc(x, y, width, height, startAngle, arcAngle);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
graphics.setColor(oldColor);
}
graphics.fillArc(x, y, width, height, startAngle, arcAngle);
}
/**
* Overrides <code>Graphics.drawPolyline.
*/
public void drawPolyline(int xPoints[], int yPoints[], int nPoints) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info().log(toShortString() +
" Drawing polyline: " +
" nPoints: " + nPoints +
" X's: " + xPoints +
" Y's: " + yPoints);
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.drawPolyline(xPoints, yPoints, nPoints);
debugGraphics.dispose();
}
} else if (debugFlash()) {
Color oldColor = getColor();
int i, count = (info.flashCount * 2) - 1;
for (i = 0; i < count; i++) {
graphics.setColor((i % 2) == 0 ? info.flashColor : oldColor);
graphics.drawPolyline(xPoints, yPoints, nPoints);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
graphics.setColor(oldColor);
}
graphics.drawPolyline(xPoints, yPoints, nPoints);
}
/**
* Overrides <code>Graphics.drawPolygon.
*/
public void drawPolygon(int xPoints[], int yPoints[], int nPoints) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info().log(toShortString() +
" Drawing polygon: " +
" nPoints: " + nPoints +
" X's: " + xPoints +
" Y's: " + yPoints);
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.drawPolygon(xPoints, yPoints, nPoints);
debugGraphics.dispose();
}
} else if (debugFlash()) {
Color oldColor = getColor();
int i, count = (info.flashCount * 2) - 1;
for (i = 0; i < count; i++) {
graphics.setColor((i % 2) == 0 ? info.flashColor : oldColor);
graphics.drawPolygon(xPoints, yPoints, nPoints);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
graphics.setColor(oldColor);
}
graphics.drawPolygon(xPoints, yPoints, nPoints);
}
/**
* Overrides <code>Graphics.fillPolygon.
*/
public void fillPolygon(int xPoints[], int yPoints[], int nPoints) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info().log(toShortString() +
" Filling polygon: " +
" nPoints: " + nPoints +
" X's: " + xPoints +
" Y's: " + yPoints);
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.fillPolygon(xPoints, yPoints, nPoints);
debugGraphics.dispose();
}
} else if (debugFlash()) {
Color oldColor = getColor();
int i, count = (info.flashCount * 2) - 1;
for (i = 0; i < count; i++) {
graphics.setColor((i % 2) == 0 ? info.flashColor : oldColor);
graphics.fillPolygon(xPoints, yPoints, nPoints);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
graphics.setColor(oldColor);
}
graphics.fillPolygon(xPoints, yPoints, nPoints);
}
/**
* Overrides <code>Graphics.drawString.
*/
public void drawString(String aString, int x, int y) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info().log(toShortString() +
" Drawing string: \"" + aString +
"\" at: " + new Point(x, y));
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.drawString(aString, x, y);
debugGraphics.dispose();
}
} else if (debugFlash()) {
Color oldColor = getColor();
int i, count = (info.flashCount * 2) - 1;
for (i = 0; i < count; i++) {
graphics.setColor((i % 2) == 0 ? info.flashColor
: oldColor);
graphics.drawString(aString, x, y);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
graphics.setColor(oldColor);
}
graphics.drawString(aString, x, y);
}
/**
* Overrides <code>Graphics.drawString.
*/
public void drawString(AttributedCharacterIterator iterator, int x, int y) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info().log(toShortString() +
" Drawing text: \"" + iterator +
"\" at: " + new Point(x, y));
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.drawString(iterator, x, y);
debugGraphics.dispose();
}
} else if (debugFlash()) {
Color oldColor = getColor();
int i, count = (info.flashCount * 2) - 1;
for (i = 0; i < count; i++) {
graphics.setColor((i % 2) == 0 ? info.flashColor
: oldColor);
graphics.drawString(iterator, x, y);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
graphics.setColor(oldColor);
}
graphics.drawString(iterator, x, y);
}
/**
* Overrides <code>Graphics.drawBytes.
*/
public void drawBytes(byte data[], int offset, int length, int x, int y) {
DebugGraphicsInfo info = info();
Font font = graphics.getFont();
if (debugLog()) {
info().log(toShortString() +
" Drawing bytes at: " + new Point(x, y));
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.drawBytes(data, offset, length, x, y);
debugGraphics.dispose();
}
} else if (debugFlash()) {
Color oldColor = getColor();
int i, count = (info.flashCount * 2) - 1;
for (i = 0; i < count; i++) {
graphics.setColor((i % 2) == 0 ? info.flashColor
: oldColor);
graphics.drawBytes(data, offset, length, x, y);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
graphics.setColor(oldColor);
}
graphics.drawBytes(data, offset, length, x, y);
}
/**
* Overrides <code>Graphics.drawChars.
*/
public void drawChars(char data[], int offset, int length, int x, int y) {
DebugGraphicsInfo info = info();
Font font = graphics.getFont();
if (debugLog()) {
info().log(toShortString() +
" Drawing chars at " + new Point(x, y));
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.drawChars(data, offset, length, x, y);
debugGraphics.dispose();
}
} else if (debugFlash()) {
Color oldColor = getColor();
int i, count = (info.flashCount * 2) - 1;
for (i = 0; i < count; i++) {
graphics.setColor((i % 2) == 0 ? info.flashColor
: oldColor);
graphics.drawChars(data, offset, length, x, y);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
graphics.setColor(oldColor);
}
graphics.drawChars(data, offset, length, x, y);
}
/**
* Overrides <code>Graphics.drawImage.
*/
public boolean drawImage(Image img, int x, int y,
ImageObserver observer) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info.log(toShortString() +
" Drawing image: " + img +
" at: " + new Point(x, y));
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.drawImage(img, x, y, observer);
debugGraphics.dispose();
}
} else if (debugFlash()) {
int i, count = (info.flashCount * 2) - 1;
ImageProducer oldProducer = img.getSource();
ImageProducer newProducer
= new FilteredImageSource(oldProducer,
new DebugGraphicsFilter(info.flashColor));
Image newImage
= Toolkit.getDefaultToolkit().createImage(newProducer);
DebugGraphicsObserver imageObserver
= new DebugGraphicsObserver();
Image imageToDraw;
for (i = 0; i < count; i++) {
imageToDraw = (i % 2) == 0 ? newImage : img;
loadImage(imageToDraw);
graphics.drawImage(imageToDraw, x, y,
imageObserver);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
}
return graphics.drawImage(img, x, y, observer);
}
/**
* Overrides <code>Graphics.drawImage.
*/
public boolean drawImage(Image img, int x, int y, int width, int height,
ImageObserver observer) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info.log(toShortString() +
" Drawing image: " + img +
" at: " + new Rectangle(x, y, width, height));
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.drawImage(img, x, y, width, height, observer);
debugGraphics.dispose();
}
} else if (debugFlash()) {
int i, count = (info.flashCount * 2) - 1;
ImageProducer oldProducer = img.getSource();
ImageProducer newProducer
= new FilteredImageSource(oldProducer,
new DebugGraphicsFilter(info.flashColor));
Image newImage
= Toolkit.getDefaultToolkit().createImage(newProducer);
DebugGraphicsObserver imageObserver
= new DebugGraphicsObserver();
Image imageToDraw;
for (i = 0; i < count; i++) {
imageToDraw = (i % 2) == 0 ? newImage : img;
loadImage(imageToDraw);
graphics.drawImage(imageToDraw, x, y,
width, height, imageObserver);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
}
return graphics.drawImage(img, x, y, width, height, observer);
}
/**
* Overrides <code>Graphics.drawImage.
*/
public boolean drawImage(Image img, int x, int y,
Color bgcolor,
ImageObserver observer) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info.log(toShortString() +
" Drawing image: " + img +
" at: " + new Point(x, y) +
", bgcolor: " + bgcolor);
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.drawImage(img, x, y, bgcolor, observer);
debugGraphics.dispose();
}
} else if (debugFlash()) {
int i, count = (info.flashCount * 2) - 1;
ImageProducer oldProducer = img.getSource();
ImageProducer newProducer
= new FilteredImageSource(oldProducer,
new DebugGraphicsFilter(info.flashColor));
Image newImage
= Toolkit.getDefaultToolkit().createImage(newProducer);
DebugGraphicsObserver imageObserver
= new DebugGraphicsObserver();
Image imageToDraw;
for (i = 0; i < count; i++) {
imageToDraw = (i % 2) == 0 ? newImage : img;
loadImage(imageToDraw);
graphics.drawImage(imageToDraw, x, y,
bgcolor, imageObserver);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
}
return graphics.drawImage(img, x, y, bgcolor, observer);
}
/**
* Overrides <code>Graphics.drawImage.
*/
public boolean drawImage(Image img, int x, int y,int width, int height,
Color bgcolor,
ImageObserver observer) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info.log(toShortString() +
" Drawing image: " + img +
" at: " + new Rectangle(x, y, width, height) +
", bgcolor: " + bgcolor);
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.drawImage(img, x, y, width, height,
bgcolor, observer);
debugGraphics.dispose();
}
} else if (debugFlash()) {
int i, count = (info.flashCount * 2) - 1;
ImageProducer oldProducer = img.getSource();
ImageProducer newProducer
= new FilteredImageSource(oldProducer,
new DebugGraphicsFilter(info.flashColor));
Image newImage
= Toolkit.getDefaultToolkit().createImage(newProducer);
DebugGraphicsObserver imageObserver
= new DebugGraphicsObserver();
Image imageToDraw;
for (i = 0; i < count; i++) {
imageToDraw = (i % 2) == 0 ? newImage : img;
loadImage(imageToDraw);
graphics.drawImage(imageToDraw, x, y,
width, height, bgcolor, imageObserver);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
}
return graphics.drawImage(img, x, y, width, height, bgcolor, observer);
}
/**
* Overrides <code>Graphics.drawImage.
*/
public boolean drawImage(Image img,
int dx1, int dy1, int dx2, int dy2,
int sx1, int sy1, int sx2, int sy2,
ImageObserver observer) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info.log(toShortString() +
" Drawing image: " + img +
" destination: " + new Rectangle(dx1, dy1, dx2, dy2) +
" source: " + new Rectangle(sx1, sy1, sx2, sy2));
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.drawImage(img, dx1, dy1, dx2, dy2,
sx1, sy1, sx2, sy2, observer);
debugGraphics.dispose();
}
} else if (debugFlash()) {
int i, count = (info.flashCount * 2) - 1;
ImageProducer oldProducer = img.getSource();
ImageProducer newProducer
= new FilteredImageSource(oldProducer,
new DebugGraphicsFilter(info.flashColor));
Image newImage
= Toolkit.getDefaultToolkit().createImage(newProducer);
DebugGraphicsObserver imageObserver
= new DebugGraphicsObserver();
Image imageToDraw;
for (i = 0; i < count; i++) {
imageToDraw = (i % 2) == 0 ? newImage : img;
loadImage(imageToDraw);
graphics.drawImage(imageToDraw,
dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2,
imageObserver);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
}
return graphics.drawImage(img, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2,
observer);
}
/**
* Overrides <code>Graphics.drawImage.
*/
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) {
DebugGraphicsInfo info = info();
if (debugLog()) {
info.log(toShortString() +
" Drawing image: " + img +
" destination: " + new Rectangle(dx1, dy1, dx2, dy2) +
" source: " + new Rectangle(sx1, sy1, sx2, sy2) +
", bgcolor: " + bgcolor);
}
if (isDrawingBuffer()) {
if (debugBuffered()) {
Graphics debugGraphics = debugGraphics();
debugGraphics.drawImage(img, dx1, dy1, dx2, dy2,
sx1, sy1, sx2, sy2, bgcolor, observer);
debugGraphics.dispose();
}
} else if (debugFlash()) {
int i, count = (info.flashCount * 2) - 1;
ImageProducer oldProducer = img.getSource();
ImageProducer newProducer
= new FilteredImageSource(oldProducer,
new DebugGraphicsFilter(info.flashColor));
Image newImage
= Toolkit.getDefaultToolkit().createImage(newProducer);
DebugGraphicsObserver imageObserver
= new DebugGraphicsObserver();
Image imageToDraw;
for (i = 0; i < count; i++) {
imageToDraw = (i % 2) == 0 ? newImage : img;
loadImage(imageToDraw);
graphics.drawImage(imageToDraw,
dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2,
bgcolor, imageObserver);
Toolkit.getDefaultToolkit().sync();
sleep(info.flashTime);
}
}
return graphics.drawImage(img, dx1, dy1, dx2, dy2, sx1, sy1, sx2, sy2,
bgcolor, observer);
}
static void loadImage(Image img) {
imageLoadingIcon.loadImage(img);
}
/**
* Overrides <code>Graphics.copyArea.
*/
public void copyArea(int x, int y, int width, int height,
int destX, int destY) {
if (debugLog()) {
info().log(toShortString() +
" Copying area from: " +
new Rectangle(x, y, width, height) +
" to: " + new Point(destX, destY));
}
graphics.copyArea(x, y, width, height, destX, destY);
}
final void sleep(int mSecs) {
try {
Thread.sleep(mSecs);
} catch (Exception e) {
}
}
/**
* Overrides <code>Graphics.dispose.
*/
public void dispose() {
graphics.dispose();
graphics = null;
}
// ALERT!
/**
* Returns the drawingBuffer value.
*
* @return true if this object is drawing from a Buffer
*/
public boolean isDrawingBuffer() {
return buffer != null;
}
String toShortString() {
return "Graphics" + (isDrawingBuffer() ? "<B>" : "") + "(" + graphicsID + "-" + debugOptions + ")";
}
String pointToString(int x, int y) {
return "(" + x + ", " + y + ")";
}
/** Enables/disables diagnostic information about every graphics
* operation. The value of <b>options indicates how this information
* should be displayed. LOG_OPTION causes a text message to be printed.
* FLASH_OPTION causes the drawing to flash several times. BUFFERED_OPTION
* creates a new Frame that shows each operation on an
* offscreen buffer. The value of <b>options is bitwise OR'd into
* the current value. To disable debugging use NONE_OPTION.
*/
public void setDebugOptions(int options) {
if (options != 0) {
if (options == NONE_OPTION) {
if (debugOptions != 0) {
System.err.println(toShortString() + " Disabling debug");
debugOptions = 0;
}
} else {
if (debugOptions != options) {
debugOptions |= options;
if (debugLog()) {
System.err.println(toShortString() + " Enabling debug");
}
}
}
}
}
/** Returns the current debugging options for this DebugGraphics.
* @see #setDebugOptions
*/
public int getDebugOptions() {
return debugOptions;
}
/** Static wrapper method for DebugGraphicsInfo.setDebugOptions(). Stores
* options on a per component basis.
*/
static void setDebugOptions(JComponent component, int options) {
info().setDebugOptions(component, options);
}
/** Static wrapper method for DebugGraphicsInfo.getDebugOptions().
*/
static int getDebugOptions(JComponent component) {
DebugGraphicsInfo debugGraphicsInfo = info();
if (debugGraphicsInfo == null) {
return 0;
} else {
return debugGraphicsInfo.getDebugOptions(component);
}
}
/** Returns non-zero if <b>component should display with DebugGraphics,
* zero otherwise. Walks the JComponent's parent tree to determine if
* any debugging options have been set.
*/
static int shouldComponentDebug(JComponent component) {
DebugGraphicsInfo info = info();
if (info == null) {
return 0;
} else {
Container container = (Container)component;
int debugOptions = 0;
while (container != null && (container instanceof JComponent)) {
debugOptions |= info.getDebugOptions((JComponent)container);
container = container.getParent();
}
return debugOptions;
}
}
/** Returns the number of JComponents that have debugging options turned
* on.
*/
static int debugComponentCount() {
DebugGraphicsInfo debugGraphicsInfo = info();
if (debugGraphicsInfo != null &&
debugGraphicsInfo.componentToDebug != null) {
return debugGraphicsInfo.componentToDebug.size();
} else {
return 0;
}
}
boolean debugLog() {
return (debugOptions & LOG_OPTION) == LOG_OPTION;
}
boolean debugFlash() {
return (debugOptions & FLASH_OPTION) == FLASH_OPTION;
}
boolean debugBuffered() {
return (debugOptions & BUFFERED_OPTION) == BUFFERED_OPTION;
}
/** Returns a DebugGraphics for use in buffering window.
*/
private Graphics debugGraphics() {
DebugGraphics debugGraphics;
DebugGraphicsInfo info = info();
JFrame debugFrame;
if (info.debugFrame == null) {
info.debugFrame = new JFrame();
info.debugFrame.setSize(500, 500);
}
debugFrame = info.debugFrame;
debugFrame.show();
debugGraphics = new DebugGraphics(debugFrame.getGraphics());
debugGraphics.setFont(getFont());
debugGraphics.setColor(getColor());
debugGraphics.translate(xOffset, yOffset);
debugGraphics.setClip(getClipBounds());
if (debugFlash()) {
debugGraphics.setDebugOptions(FLASH_OPTION);
}
return debugGraphics;
}
/** Returns DebugGraphicsInfo, or creates one if none exists.
*/
static DebugGraphicsInfo info() {
DebugGraphicsInfo debugGraphicsInfo = (DebugGraphicsInfo)
SwingUtilities.appContextGet(debugGraphicsInfoKey);
if (debugGraphicsInfo == null) {
debugGraphicsInfo = new DebugGraphicsInfo();
SwingUtilities.appContextPut(debugGraphicsInfoKey,
debugGraphicsInfo);
}
return debugGraphicsInfo;
}
private static final Class debugGraphicsInfoKey = DebugGraphicsInfo.class;
}
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