| /* |
| * Copyright (c) 1998, 2014, 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.plaf.metal; |
| |
| import java.awt.*; |
| import java.awt.image.*; |
| import javax.swing.*; |
| import java.util.ArrayList; |
| import java.util.List; |
| import sun.awt.AppContext; |
| |
| /** |
| * Implements the bumps used throughout the Metal Look and Feel. |
| * |
| * @author Tom Santos |
| * @author Steve Wilson |
| */ |
| |
| |
| class MetalBumps implements Icon { |
| |
| static final Color ALPHA = new Color(0, 0, 0, 0); |
| |
| protected int xBumps; |
| protected int yBumps; |
| protected Color topColor; |
| protected Color shadowColor; |
| protected Color backColor; |
| |
| private static final Object METAL_BUMPS = new Object(); |
| protected BumpBuffer buffer; |
| |
| /** |
| * Creates MetalBumps of the specified size with the specified colors. |
| * If <code>newBackColor</code> is null, the background will be |
| * transparent. |
| */ |
| public MetalBumps( int width, int height, |
| Color newTopColor, Color newShadowColor, Color newBackColor ) { |
| setBumpArea( width, height ); |
| setBumpColors( newTopColor, newShadowColor, newBackColor ); |
| } |
| |
| private static BumpBuffer createBuffer(GraphicsConfiguration gc, |
| Color topColor, Color shadowColor, Color backColor) { |
| AppContext context = AppContext.getAppContext(); |
| @SuppressWarnings("unchecked") |
| List<BumpBuffer> buffers = (List<BumpBuffer>) context.get(METAL_BUMPS); |
| if (buffers == null) { |
| buffers = new ArrayList<BumpBuffer>(); |
| context.put(METAL_BUMPS, buffers); |
| } |
| for (BumpBuffer buffer : buffers) { |
| if (buffer.hasSameConfiguration(gc, topColor, shadowColor, backColor)) { |
| return buffer; |
| } |
| } |
| BumpBuffer buffer = new BumpBuffer(gc, topColor, shadowColor, backColor); |
| buffers.add(buffer); |
| return buffer; |
| } |
| |
| public void setBumpArea( Dimension bumpArea ) { |
| setBumpArea( bumpArea.width, bumpArea.height ); |
| } |
| |
| public void setBumpArea( int width, int height ) { |
| xBumps = width / 2; |
| yBumps = height / 2; |
| } |
| |
| public void setBumpColors( Color newTopColor, Color newShadowColor, Color newBackColor ) { |
| topColor = newTopColor; |
| shadowColor = newShadowColor; |
| if (newBackColor == null) { |
| backColor = ALPHA; |
| } |
| else { |
| backColor = newBackColor; |
| } |
| } |
| |
| public void paintIcon( Component c, Graphics g, int x, int y ) { |
| GraphicsConfiguration gc = (g instanceof Graphics2D) ? |
| ((Graphics2D) g).getDeviceConfiguration() : null; |
| |
| if ((buffer == null) || !buffer.hasSameConfiguration(gc, topColor, shadowColor, backColor)) { |
| buffer = createBuffer(gc, topColor, shadowColor, backColor); |
| } |
| |
| int bufferWidth = BumpBuffer.IMAGE_SIZE; |
| int bufferHeight = BumpBuffer.IMAGE_SIZE; |
| int iconWidth = getIconWidth(); |
| int iconHeight = getIconHeight(); |
| int x2 = x + iconWidth; |
| int y2 = y + iconHeight; |
| int savex = x; |
| |
| while (y < y2) { |
| int h = Math.min(y2 - y, bufferHeight); |
| for (x = savex; x < x2; x += bufferWidth) { |
| int w = Math.min(x2 - x, bufferWidth); |
| g.drawImage(buffer.getImage(), |
| x, y, x+w, y+h, |
| 0, 0, w, h, |
| null); |
| } |
| y += bufferHeight; |
| } |
| } |
| |
| public int getIconWidth() { |
| return xBumps * 2; |
| } |
| |
| public int getIconHeight() { |
| return yBumps * 2; |
| } |
| } |
| |
| |
| class BumpBuffer { |
| |
| static final int IMAGE_SIZE = 64; |
| |
| transient Image image; |
| Color topColor; |
| Color shadowColor; |
| Color backColor; |
| private GraphicsConfiguration gc; |
| |
| public BumpBuffer(GraphicsConfiguration gc, Color aTopColor, |
| Color aShadowColor, Color aBackColor) { |
| this.gc = gc; |
| topColor = aTopColor; |
| shadowColor = aShadowColor; |
| backColor = aBackColor; |
| createImage(); |
| fillBumpBuffer(); |
| } |
| |
| public boolean hasSameConfiguration(GraphicsConfiguration gc, |
| Color aTopColor, Color aShadowColor, |
| Color aBackColor) { |
| if (this.gc != null) { |
| if (!this.gc.equals(gc)) { |
| return false; |
| } |
| } |
| else if (gc != null) { |
| return false; |
| } |
| return topColor.equals( aTopColor ) && |
| shadowColor.equals( aShadowColor ) && |
| backColor.equals( aBackColor ); |
| } |
| |
| /** |
| * Returns the Image containing the bumps appropriate for the passed in |
| * <code>GraphicsConfiguration</code>. |
| */ |
| public Image getImage() { |
| return image; |
| } |
| |
| /** |
| * Paints the bumps into the current image. |
| */ |
| private void fillBumpBuffer() { |
| Graphics g = image.getGraphics(); |
| |
| g.setColor( backColor ); |
| g.fillRect( 0, 0, IMAGE_SIZE, IMAGE_SIZE ); |
| |
| g.setColor(topColor); |
| for (int x = 0; x < IMAGE_SIZE; x+=4) { |
| for (int y = 0; y < IMAGE_SIZE; y+=4) { |
| g.drawLine( x, y, x, y ); |
| g.drawLine( x+2, y+2, x+2, y+2); |
| } |
| } |
| |
| g.setColor(shadowColor); |
| for (int x = 0; x < IMAGE_SIZE; x+=4) { |
| for (int y = 0; y < IMAGE_SIZE; y+=4) { |
| g.drawLine( x+1, y+1, x+1, y+1 ); |
| g.drawLine( x+3, y+3, x+3, y+3); |
| } |
| } |
| g.dispose(); |
| } |
| |
| /** |
| * Creates the image appropriate for the passed in |
| * <code>GraphicsConfiguration</code>, which may be null. |
| */ |
| private void createImage() { |
| if (gc != null) { |
| image = gc.createCompatibleImage(IMAGE_SIZE, IMAGE_SIZE, |
| (backColor != MetalBumps.ALPHA) ? Transparency.OPAQUE : |
| Transparency.BITMASK); |
| } |
| else { |
| int cmap[] = { backColor.getRGB(), topColor.getRGB(), |
| shadowColor.getRGB() }; |
| IndexColorModel icm = new IndexColorModel(8, 3, cmap, 0, false, |
| (backColor == MetalBumps.ALPHA) ? 0 : -1, |
| DataBuffer.TYPE_BYTE); |
| image = new BufferedImage(IMAGE_SIZE, IMAGE_SIZE, |
| BufferedImage.TYPE_BYTE_INDEXED, icm); |
| } |
| } |
| } |