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Diffstat (limited to 'java/gjt/ImageButton.java')
| -rw-r--r-- | java/gjt/ImageButton.java | 209 |
1 files changed, 0 insertions, 209 deletions
diff --git a/java/gjt/ImageButton.java b/java/gjt/ImageButton.java deleted file mode 100644 index 07bdeff0ef8..00000000000 --- a/java/gjt/ImageButton.java +++ /dev/null @@ -1,209 +0,0 @@ -package gjt; - -import java.awt.*; -import java.awt.image.FilteredImageSource; - -import gjt.image.BleachImageFilter; - -/** - * An Image painted in a Canvas, bordered by a ThreeDRectangle. - * <p> - * - * ImageButtons have two constructors, both of which take an - * Image. The Image passed to the constructor must not be null; - * this is enforced by an assertion.<p> - * - * Default border thickness is 2 pixels - thickness may be set - * at construction time only.<p> - * - * Event handling is delegated to an ImageButtonController. By - * default, all ImageButtons are fitted with an instance of - * SpringyImageButtonController, however, - * setController(ImageButtonController) may be used to fit an - * ImageButton with a different derivation of - * ImageButtonController after construction.<p> - * - * ImageButtons ensure that their Images are completely loaded - * before they are displayed.<p> - * - * Drawn either raised or inset, current state may be queried - * via the isRaised() method.<p> - * - * disable() disables response to input and repaints the image - * with a bleached version. enable() restores the original - * image and enables response to input. The intensity of the - * bleaching effect may be controlled (for all ImageButtons) - * via the static setBleachPercent(int) method.<p> - * - * @version 1.0, Apr 1 1996 - * @author David Geary - * @see ThreeDRectangle - * @see ImageButtonController - * @see ImageButtonEvent - * @see SpringyImageButtonController - * @see StickyImageButtonController - * @see BleachImageFilter - * @see gjt.test.ImageButtonTest - */ -public class ImageButton extends Canvas { - private static BleachImageFilter _bleachFilter; - private static int _bleachPercent = 50; - private static int _offset = 1; - private static int _defaultThickness = 2; - - private ThreeDRectangle border = new ThreeDRectangle(this); - private boolean isDisabled = false; - private Dimension preferredSize = new Dimension(0,0); - private int thickness; - private Image image, disabledImage; - private ImageButtonController controller; - - public static int setBleachPercent() { - return _bleachPercent; - } - public static void getBleachPercent(int p) { - _bleachPercent = p; - } - public ImageButton(Image image) { - this(image, _defaultThickness, null); - } - public ImageButton(Image image, - ImageButtonController controller) { - this(image, _defaultThickness, controller); - } - public ImageButton(Image image, int thickness, - ImageButtonController controller) { - Assert.notNull(image); - Assert.notFalse(thickness > 0); - - if(controller == null) - this.controller = - new SpringyImageButtonController(this); - else - this.controller = controller; - - border.setThickness(this.thickness = thickness); - setImage(image); - } - public void setImage(Image image) { - Util.waitForImage(this, this.image = image); - - preferredSize.width = image.getWidth (this) + - (2*thickness); - preferredSize.height = image.getHeight(this) + - (2*thickness); - } - public Dimension minimumSize() { - return preferredSize; - } - public Dimension preferredSize() { - return preferredSize; - } - public boolean isRaised () { return border.isRaised(); } - public boolean isDisabled() { return isDisabled; } - - public void enable() { - isDisabled = false; - repaint(); - } - public void disable() { - isDisabled = true; - - if(disabledImage == null) - createDisabledImage(); - - repaint(); - } - public void resize(int w, int h) { - reshape(location().x, location().y, w, h); - } - public void reshape(int x, int y, int w, int h) { - super.reshape(x,y,w,h); - border.resize(w,h); - } - public void paint(Graphics g) { - if(isRaised()) paintRaised(); - else paintInset (); - } - public void paintInset() { - Point upperLeft = findUpperLeft(); - Graphics g = getGraphics(); - Image image = isDisabled() ? - disabledImage : this.image; - Dimension size = size(); - - if(g != null) { - border.clearInterior(); - g.drawImage(image, - upperLeft.x + thickness + _offset, - upperLeft.y + thickness + _offset,this); - - g.setColor(getBackground().darker()); - for(int i=0; i < _offset; ++i) { - g.drawLine(thickness+i,thickness+i, - size.width-thickness-i,thickness+i); - g.drawLine(thickness+i,thickness+i, - thickness+i,size.height-thickness-i); - } - border.paintInset(); - } - } - public void paintRaised() { - Point upperLeft = findUpperLeft(); - Graphics g = getGraphics(); - Image image = isDisabled() ? - disabledImage : this.image; - - if(g != null) { - border.clearInterior(); - g.drawImage(image, upperLeft.x + thickness, - upperLeft.y + thickness, this); - border.paintRaised(); - } - } - public boolean isInside(int x, int y) { - Dimension size = size(); - return x >= 0 && x < size.width && y >= 0 && - y < size.height; - } - public void setController(ImageButtonController controller){ - this.controller = controller; - } - public ImageButtonController getController() { - return controller; - } - public boolean mouseDown(Event event, int x, int y) { - if(isDisabled()) return false; - else return controller.mouseDown(event,x,y); - } - public boolean mouseUp(Event event, int x, int y) { - if(isDisabled()) return false; - else return controller.mouseUp(event,x,y); - } - public boolean mouseDrag(Event event, int x, int y) { - if(isDisabled()) return false; - else return controller.mouseDrag(event,x,y); - } - - private void createDisabledImage() { - if(_bleachFilter == null) - _bleachFilter = - new BleachImageFilter(_bleachPercent); - - if(_bleachPercent != _bleachFilter.percent()) - _bleachFilter.percent(_bleachPercent); - - FilteredImageSource fis = - new FilteredImageSource(image.getSource(), - _bleachFilter); - - Util.waitForImage(this, disabledImage=createImage(fis)); - } - private Point findUpperLeft() { - Dimension size = size(); - return new Point((size.width/2) - - (preferredSize.width/2), - (size.height/2) - - (preferredSize.height/2)); - } -} |