diff options
Diffstat (limited to 'java/gjt/image')
-rw-r--r-- | java/gjt/image/BleachImageFilter.java | 53 | ||||
-rw-r--r-- | java/gjt/image/DissolveFilter.java | 48 | ||||
-rw-r--r-- | java/gjt/image/ImageDissolver.java | 132 |
3 files changed, 0 insertions, 233 deletions
diff --git a/java/gjt/image/BleachImageFilter.java b/java/gjt/image/BleachImageFilter.java deleted file mode 100644 index f698a218284..00000000000 --- a/java/gjt/image/BleachImageFilter.java +++ /dev/null @@ -1,53 +0,0 @@ -package gjt.image; - -import java.awt.image.*; -import gjt.Assert; - -/** - * A derivation of RGBImageFilter that bleaches an image.<p> - * - * Extent of the bleaching effect is controlled by the only - * constructor argument: an integer representing the percentage - * of bleaching. The percentage of bleaching may also be - * controlled after instantiation by invoking the - * void percent(int) method.<p> - * - * @version 1.0, Apr 1 1996 - * @author David Geary - * @see RGBImageFilter - */ -public class BleachImageFilter extends RGBImageFilter { - private int percent; - - public BleachImageFilter(int percent) { - Assert.notFalse(percent >= 0 && percent <= 100); - this.percent = percent; - canFilterIndexColorModel = true; - } - public int percent() { return percent; } - public void percent(int percent) { percent = percent; } - - public int filterRGB(int x, int y, int rgb) { - DirectColorModel cm = - (DirectColorModel)ColorModel.getRGBdefault(); - - int alpha = cm.getAlpha(rgb); - int red = cm.getRed (rgb); - int green = cm.getGreen(rgb); - int blue = cm.getBlue (rgb); - double percentMultiplier = (double)percent/100; - - red = Math.min((int) - (red + (red * percentMultiplier)), 255); - green = Math.min((int) - (green + (green * percentMultiplier)), 255); - blue = Math.min((int) - (blue + (blue * percentMultiplier)), 255); - - alpha = alpha << 24; - red = red << 16; - green = green << 8; - - return alpha | red | green | blue; - } -} diff --git a/java/gjt/image/DissolveFilter.java b/java/gjt/image/DissolveFilter.java deleted file mode 100644 index 027455b39b6..00000000000 --- a/java/gjt/image/DissolveFilter.java +++ /dev/null @@ -1,48 +0,0 @@ -package gjt.image; - -import java.awt.image.*; -import gjt.Assert; - -/** - * A derivation of RGBImageFilter that partially or wholly - * dissolves an image.<p> - * - * Extent of dissolving is set by the setOpacity(int) method, - * which is passed an integer between 0 and 255 (inclusive). - * The integer represents the alpha value to be applied to - * every color in the image.<p> - * - * An alpha value of 255 signifies an opaque color, while an - * alpha value of 0 signifies a translucent color.<p> - * - * @version 1.0, Apr 1 1996 - * @author David Geary - * @see RGBImageFilter - */ -public class DissolveFilter extends RGBImageFilter { - private int opacity; - - public DissolveFilter() { - this(0); - } - public DissolveFilter(int opacity) { - canFilterIndexColorModel = true; - setOpacity(opacity); - } - public void setOpacity(int opacity) { - Assert.notFalse(opacity >= 0 && opacity <= 255); - this.opacity = opacity; - } - public int filterRGB(int x, int y, int rgb) { - DirectColorModel cm = - (DirectColorModel)ColorModel.getRGBdefault(); - int alpha = cm.getAlpha(rgb); - int red = cm.getRed (rgb); - int green = cm.getGreen(rgb); - int blue = cm.getBlue (rgb); - - alpha = opacity; - - return alpha << 24 | red << 16 | green << 8 | blue; - } -} diff --git a/java/gjt/image/ImageDissolver.java b/java/gjt/image/ImageDissolver.java deleted file mode 100644 index 5d0e6a2daf6..00000000000 --- a/java/gjt/image/ImageDissolver.java +++ /dev/null @@ -1,132 +0,0 @@ -package gjt.image; - -import java.awt.*; -import java.awt.image.*; -import gjt.Util; - -/** - * Given an image, an ImageDissolver produces an array of - * images of varying opacity that are used in the fadeIn() - * and fadeOut() methods for fading the image in and out - * respectively.<p> - * - * As a convenience, ImageDissolver has a static method: - * Image[] createImages() that creates the array of images - * mentioned above, in case clients would like to create their - * own array of images instead of using an ImageDissolver - * directly.<p> - * - * @version 1.0, Apr 1 1996 - * @author David Geary - * @see ThreeDBorder - * @see ImageButtonController - * @see SpringyImageButtonController - * @see StickyImageButtonController - * @see BleachImageFilter - * @see gjt.test.ImageButtonTest - */ -public class ImageDissolver { - private static int _defaultNumImages = 10, - _defaultPause = 50; - Component comp; - int numImages, pauseInterval; - Image image, offscreen; - Image[] dissolvedImages; - - static public Image[] createImages(Image image, - int numImages, - Component component) { - Image images[] = new Image[numImages]; - MediaTracker tracker = new MediaTracker(component); - - DissolveFilter filter; - FilteredImageSource fis; - - for(int i=0; i < numImages; ++i) { - filter = new DissolveFilter((255/(numImages-1))*i); - fis = new FilteredImageSource(image.getSource(), - filter); - - images[i] = component.createImage(fis); - tracker.addImage(images[i], i); - } - try { tracker.waitForAll(); } - catch(InterruptedException e) { } - - return images; - } - - public ImageDissolver(Component comp, Image image) { - this(comp, image, _defaultNumImages, _defaultPause); - } - public ImageDissolver(Component comp, Image im, - int numImages, int pause) { - this.image = im; - this.comp = comp; - this.numImages = numImages; - dissolvedImages = new Image[numImages]; - pauseInterval = pause; - - Util.waitForImage(comp, im); - dissolvedImages = createImages(image, numImages, comp); - } - public void fadeIn(int x, int y) { - if(offscreen == null) - offscreen = comp.createImage(image.getWidth(comp), - image.getHeight(comp)); - - Graphics offg = offscreen.getGraphics(); - Graphics compg = comp.getGraphics(); - - if(offg != null && compg != null) { - clearComponent(compg, x, y); - for(int i=0; i < numImages; ++i) { - blitImage(compg, offg, x, y, i); - pause (); - } - blitOpaqueImage(compg, offg, x, y); - } - } - public void fadeOut(int x, int y) { - if(offscreen == null) - offscreen = comp.createImage(image.getWidth(comp), - image.getHeight(comp)); - - Graphics offg = offscreen.getGraphics(); - Graphics compg = comp.getGraphics(); - - if(offg != null && compg != null) { - blitOpaqueImage(compg, offg, x, y); - for(int i=numImages-1; i >= 0; --i) { - clearOffscreen(); - blitImage (compg, offg, x, y, i); - pause (); - } - } - } - private void blitImage(Graphics compg, Graphics offg, - int x, int y, int index) { - offg.drawImage (dissolvedImages[index], 0, 0, comp); - compg.drawImage(offscreen, x, y, comp); - } - private void blitOpaqueImage(Graphics compg, Graphics offg, - int x, int y) { - offg.drawImage(image, 0, 0, comp); - compg.drawImage(offscreen, x, y, comp); - } - private void clearComponent(Graphics compg, int x, int y) { - clearOffscreen(); - compg.drawImage(offscreen, x, y, comp); - } - private void clearOffscreen() { - Graphics offg = offscreen.getGraphics(); - - offg.setColor(comp.getBackground()); - offg.fillRect(0, 0, - image.getWidth(comp), image.getHeight(comp)); - } - private void pause() { - try { Thread.currentThread().sleep(pauseInterval); } - catch(InterruptedException e) { } - } -} |