diff options
-rwxr-xr-x | src/demos/j2d/TestJ2DOverlay.java | 204 | ||||
-rwxr-xr-x | src/demos/j2d/TestJ2DRenderer.java | 203 |
2 files changed, 407 insertions, 0 deletions
diff --git a/src/demos/j2d/TestJ2DOverlay.java b/src/demos/j2d/TestJ2DOverlay.java new file mode 100755 index 0000000..a3104ac --- /dev/null +++ b/src/demos/j2d/TestJ2DOverlay.java @@ -0,0 +1,204 @@ +/* + * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package demos.j2d; + +import java.awt.AlphaComposite; +import java.awt.Color; +import java.awt.Font; +import java.awt.Frame; +import java.awt.Graphics2D; +import java.awt.Rectangle; +import java.awt.event.*; +import java.awt.font.*; +import java.text.*; + +import javax.media.opengl.*; +import com.sun.opengl.util.*; +import com.sun.opengl.util.texture.*; + +import demos.gears.Gears; +import demos.util.*; +import gleem.linalg.*; + +/** A simple test of the J2DOverlay class. Draws gears underneath with + moving Java 2D-rendered text on top. */ + +public class TestJ2DOverlay implements GLEventListener { + public static void main(String[] args) { + Frame frame = new Frame("Java 2D Overlay Test"); + GLCapabilities caps = new GLCapabilities(); + caps.setAlphaBits(8); + GLCanvas canvas = new GLCanvas(caps); + canvas.addGLEventListener(new Gears()); + canvas.addGLEventListener(new TestJ2DOverlay()); + frame.add(canvas); + frame.setSize(512, 512); + final Animator animator = new Animator(canvas); + frame.addWindowListener(new WindowAdapter() { + public void windowClosing(WindowEvent e) { + // Run this on another thread than the AWT event queue to + // make sure the call to Animator.stop() completes before + // exiting + new Thread(new Runnable() { + public void run() { + animator.stop(); + System.exit(0); + } + }).start(); + } + }); + frame.show(); + animator.start(); + } + + private J2DOverlay overlay; + private Time time; + private Font font; + private Color TRANSPARENT_BLACK = new Color(0.0f, 0.0f, 0.0f, 0.0f); + private FontRenderContext frc; + private GlyphVector gv; + private Vec2f velocity = new Vec2f(100.0f, 150.0f); + private Vec2f position; + private Rectangle textBounds; + private Rectangle lastTextBounds; + private String TEST_STRING = "Java 2D Text"; + private long startTime; + private int frameCount; + private DecimalFormat format = new DecimalFormat("####.00"); + + public void init(GLAutoDrawable drawable) { + GL gl = drawable.getGL(); + gl.setSwapInterval(0); + + overlay = new J2DOverlay(drawable); + time = new SystemTime(); + ((SystemTime) time).rebase(); + + // Start the text half way up the left side + position = new Vec2f(0.0f, drawable.getHeight() / 2); + + // Create the font, render context, and glyph vector + font = new Font("SansSerif", Font.BOLD, 36); + } + + public void display(GLAutoDrawable drawable) { + if (startTime == 0) { + startTime = System.currentTimeMillis(); + } + + Graphics2D g2d = overlay.createGraphics(); + + if (++frameCount == 30) { + long endTime = System.currentTimeMillis(); + float fps = 30.0f / (float) (endTime - startTime) * 1000; + frameCount = 0; + startTime = System.currentTimeMillis(); + + FontRenderContext frc = g2d.getFontRenderContext(); + String fpsString = "FPS: " + format.format(fps); + GlyphVector gv = font.createGlyphVector(frc, TEST_STRING); + int x = drawable.getWidth() - 200; + int y = drawable.getHeight() - 20; + Rectangle fpsBounds = gv.getPixelBounds(frc, x, y); + g2d.setFont(font); + g2d.setComposite(AlphaComposite.Src); + g2d.setColor(TRANSPARENT_BLACK); + g2d.fillRect(fpsBounds.x, fpsBounds.y, fpsBounds.width, fpsBounds.height); + g2d.setColor(Color.WHITE); + g2d.drawString(fpsString, x, y); + overlay.sync(fpsBounds.x, fpsBounds.y, fpsBounds.width, fpsBounds.height); + } + + time.update(); + + // Move down the text bounds + lastTextBounds = textBounds; + + g2d.setFont(font); + g2d.setComposite(AlphaComposite.Src); + if (overlay.contentsLost()) { + frc = g2d.getFontRenderContext(); + gv = font.createGlyphVector(frc, TEST_STRING); + } + + // Compute the next position of the text + position = position.plus(velocity.times((float) time.deltaT())); + // Figure out whether we have to switch directions + textBounds = gv.getPixelBounds(frc, position.x(), position.y()); + if (textBounds.getMinX() < 0) { + velocity.setX(Math.abs(velocity.x())); + } else if (textBounds.getMaxX() > drawable.getWidth()) { + velocity.setX(-1.0f * Math.abs(velocity.x())); + } + if (textBounds.getMinY() < 0) { + velocity.setY(Math.abs(velocity.y())); + } else if (textBounds.getMaxY() > drawable.getHeight()) { + velocity.setY(-1.0f * Math.abs(velocity.y())); + } + + // Clear the last text (if any) and draw the current + if (lastTextBounds != null) { + g2d.setColor(TRANSPARENT_BLACK); + g2d.fillRect((int) lastTextBounds.getMinX(), (int) lastTextBounds.getMinY(), + (int) (lastTextBounds.getWidth() + 1), (int) (lastTextBounds.getHeight() + 1)); + } else if (overlay.contentsLost()) { + g2d.setColor(TRANSPARENT_BLACK); + g2d.fillRect(0, 0, drawable.getWidth(), drawable.getHeight()); + } + g2d.setColor(Color.WHITE); + g2d.drawString(TEST_STRING, position.x(), position.y()); + + // Compute the union of these rectangles to push an update to + // the overlay + Rectangle union = new Rectangle(textBounds); + if (lastTextBounds != null) { + union.add(lastTextBounds); + } + overlay.sync(union.x, union.y, union.width, union.height); + + // Draw the overlay + overlay.drawAll(); + g2d.dispose(); + } + + // Unused methods + public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {} + public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) {} +} diff --git a/src/demos/j2d/TestJ2DRenderer.java b/src/demos/j2d/TestJ2DRenderer.java new file mode 100755 index 0000000..f7ea8c3 --- /dev/null +++ b/src/demos/j2d/TestJ2DRenderer.java @@ -0,0 +1,203 @@ +/* + * Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions are + * met: + * + * - Redistribution of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * - Redistribution in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of Sun Microsystems, Inc. or the names of + * contributors may be used to endorse or promote products derived from + * this software without specific prior written permission. + * + * This software is provided "AS IS," without a warranty of any kind. ALL + * EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND WARRANTIES, + * INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A + * PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY EXCLUDED. SUN + * MICROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL NOT BE LIABLE FOR + * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR + * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. IN NO EVENT WILL SUN OR + * ITS LICENSORS BE LIABLE FOR ANY LOST REVENUE, PROFIT OR DATA, OR FOR + * DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE + * DAMAGES, HOWEVER CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, + * ARISING OUT OF THE USE OF OR INABILITY TO USE THIS SOFTWARE, EVEN IF + * SUN HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. + * + * You acknowledge that this software is not designed or intended for use + * in the design, construction, operation or maintenance of any nuclear + * facility. + * + * Sun gratefully acknowledges that this software was originally authored + * and developed by Kenneth Bradley Russell and Christopher John Kline. + */ + +package demos.j2d; + +import java.awt.AlphaComposite; +import java.awt.Color; +import java.awt.Font; +import java.awt.Frame; +import java.awt.Graphics2D; +import java.awt.Rectangle; +import java.awt.event.*; +import java.awt.font.*; +import java.text.*; + +import javax.media.opengl.*; +import javax.media.opengl.glu.*; +import com.sun.opengl.util.*; +import com.sun.opengl.util.texture.*; + +import demos.gears.Gears; +import demos.util.*; +import gleem.linalg.*; + +/** A simple test of the J2DTextureRenderer class. Draws gears + underneath with moving Java 2D-rendered text on top. */ + +public class TestJ2DRenderer implements GLEventListener { + public static void main(String[] args) { + Frame frame = new Frame("Java 2D Renderer Test"); + GLCapabilities caps = new GLCapabilities(); + caps.setAlphaBits(8); + GLCanvas canvas = new GLCanvas(caps); + canvas.addGLEventListener(new Gears()); + canvas.addGLEventListener(new TestJ2DRenderer()); + frame.add(canvas); + frame.setSize(512, 512); + final Animator animator = new Animator(canvas); + frame.addWindowListener(new WindowAdapter() { + public void windowClosing(WindowEvent e) { + // Run this on another thread than the AWT event queue to + // make sure the call to Animator.stop() completes before + // exiting + new Thread(new Runnable() { + public void run() { + animator.stop(); + System.exit(0); + } + }).start(); + } + }); + frame.show(); + animator.start(); + } + + private J2DTextureRenderer renderer; + private Time time; + private Font font; + private Color TRANSPARENT_BLACK = new Color(0.0f, 0.0f, 0.0f, 0.0f); + private Vec2f velocity = new Vec2f(100.0f, 150.0f); + private Vec2f position; + private Rectangle textBounds; + private Rectangle fpsBounds; + private String TEST_STRING = "Java 2D Text"; + private GLU glu = new GLU(); + private long startTime; + private int frameCount; + private DecimalFormat format = new DecimalFormat("####.00"); + + public void init(GLAutoDrawable drawable) { + GL gl = drawable.getGL(); + gl.setSwapInterval(0); + + renderer = new J2DTextureRenderer(256, 256, true); + time = new SystemTime(); + ((SystemTime) time).rebase(); + + // Start the text half way up the left side + position = new Vec2f(0.0f, drawable.getHeight() / 2); + + // Create the font, render context, and glyph vector + font = new Font("SansSerif", Font.BOLD, 36); + Graphics2D g2d = renderer.createGraphics(); + g2d.setFont(font); + g2d.setComposite(AlphaComposite.Src); + FontRenderContext frc = g2d.getFontRenderContext(); + GlyphVector gv = font.createGlyphVector(frc, TEST_STRING); + g2d.setColor(TRANSPARENT_BLACK); + g2d.fillRect(0, 0, renderer.getWidth(), renderer.getHeight()); + g2d.setColor(Color.WHITE); + g2d.drawString(TEST_STRING, 10, 50); + textBounds = gv.getPixelBounds(frc, 10, 50); + renderer.sync(textBounds.x, textBounds.y, textBounds.width, textBounds.height); + } + + public void display(GLAutoDrawable drawable) { + if (startTime == 0) { + startTime = System.currentTimeMillis(); + } + + if (++frameCount == 100) { + long endTime = System.currentTimeMillis(); + float fps = 100.0f / (float) (endTime - startTime) * 1000; + frameCount = 0; + startTime = System.currentTimeMillis(); + + Graphics2D g2d = renderer.createGraphics(); + g2d.setFont(font); + g2d.setComposite(AlphaComposite.Src); + FontRenderContext frc = g2d.getFontRenderContext(); + String fpsString = "FPS: " + format.format(fps); + GlyphVector gv = font.createGlyphVector(frc, TEST_STRING); + fpsBounds = gv.getPixelBounds(frc, 10, 100); + g2d.setColor(TRANSPARENT_BLACK); + g2d.fillRect(fpsBounds.x, fpsBounds.y, fpsBounds.width, fpsBounds.height); + g2d.setColor(Color.WHITE); + g2d.drawString(fpsString, 10, 100); + } + + time.update(); + + // Compute the next position of the text + position = position.plus(velocity.times((float) time.deltaT())); + // Figure out whether we have to switch directions + Rectangle tmpBounds = new Rectangle((int) position.x(), (int) position.y(), + textBounds.width, textBounds.height); + if (tmpBounds.getMinX() < 0) { + velocity.setX(Math.abs(velocity.x())); + } else if (tmpBounds.getMaxX() > drawable.getWidth()) { + velocity.setX(-1.0f * Math.abs(velocity.x())); + } + if (tmpBounds.getMinY() < 0) { + velocity.setY(Math.abs(velocity.y())); + } else if (tmpBounds.getMaxY() > drawable.getHeight()) { + velocity.setY(-1.0f * Math.abs(velocity.y())); + } + + GL gl = drawable.getGL(); + + // Prepare to draw from the renderer's texture + renderer.beginOrthoRendering(drawable.getWidth(), drawable.getHeight()); + + // Draw from the renderer's texture + renderer.drawOrthoRect((int) position.x(), (int) position.y(), + textBounds.x, + renderer.getHeight() - textBounds.y - textBounds.height, + textBounds.width, + textBounds.height); + + // If we have the FPS, draw it + if (fpsBounds != null) { + renderer.drawOrthoRect(drawable.getWidth() - fpsBounds.width, + 20, + fpsBounds.x, + renderer.getHeight() - fpsBounds.y - fpsBounds.height, + fpsBounds.width, + fpsBounds.height); + } + + // Clean up rendering + renderer.endOrthoRendering(); + } + + // Unused methods + public void reshape(GLAutoDrawable drawable, int x, int y, int width, int height) {} + public void displayChanged(GLAutoDrawable drawable, boolean modeChanged, boolean deviceChanged) {} +} |