1 /* 2 * Copyright (C) 2006 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.traceview; 18 19 import java.util.HashMap; 20 21 import org.eclipse.swt.SWT; 22 import org.eclipse.swt.graphics.Color; 23 import org.eclipse.swt.graphics.GC; 24 import org.eclipse.swt.graphics.Image; 25 import org.eclipse.swt.graphics.RGB; 26 import org.eclipse.swt.widgets.Display; 27 28 public class ColorController { 29 private static final int[] systemColors = { SWT.COLOR_BLUE, SWT.COLOR_RED, 30 SWT.COLOR_GREEN, SWT.COLOR_CYAN, SWT.COLOR_MAGENTA, SWT.COLOR_DARK_BLUE, 31 SWT.COLOR_DARK_RED, SWT.COLOR_DARK_GREEN, SWT.COLOR_DARK_YELLOW, 32 SWT.COLOR_DARK_CYAN, SWT.COLOR_DARK_MAGENTA, SWT.COLOR_BLACK }; 33 34 private static RGB[] rgbColors = { new RGB(90, 90, 255), // blue 35 new RGB(0, 240, 0), // green 36 new RGB(255, 0, 0), // red 37 new RGB(0, 255, 255), // cyan 38 new RGB(255, 80, 255), // magenta 39 new RGB(200, 200, 0), // yellow 40 new RGB(40, 0, 200), // dark blue 41 new RGB(150, 255, 150), // light green 42 new RGB(150, 0, 0), // dark red 43 new RGB(30, 150, 150), // dark cyan 44 new RGB(200, 200, 255), // light blue 45 new RGB(0, 120, 0), // dark green 46 new RGB(255, 150, 150), // light red 47 new RGB(140, 80, 140), // dark magenta 48 new RGB(150, 100, 50), // brown 49 new RGB(70, 70, 70), // dark grey 50 }; 51 52 private static HashMap<Integer, Color> colorCache = new HashMap<Integer, Color>(); 53 private static HashMap<Integer, Image> imageCache = new HashMap<Integer, Image>(); 54 55 public ColorController() { 56 } 57 58 public static Color requestColor(Display display, RGB rgb) { 59 return requestColor(display, rgb.red, rgb.green, rgb.blue); 60 } 61 62 public static Image requestColorSquare(Display display, RGB rgb) { 63 return requestColorSquare(display, rgb.red, rgb.green, rgb.blue); 64 } 65 66 public static Color requestColor(Display display, int red, int green, int blue) { 67 int key = (red << 16) | (green << 8) | blue; 68 Color color = colorCache.get(key); 69 if (color == null) { 70 color = new Color(display, red, green, blue); 71 colorCache.put(key, color); 72 } 73 return color; 74 } 75 76 public static Image requestColorSquare(Display display, int red, int green, int blue) { 77 int key = (red << 16) | (green << 8) | blue; 78 Image image = imageCache.get(key); 79 if (image == null) { 80 image = new Image(display, 8, 14); 81 GC gc = new GC(image); 82 Color color = requestColor(display, red, green, blue); 83 gc.setBackground(color); 84 gc.fillRectangle(image.getBounds()); 85 gc.dispose(); 86 imageCache.put(key, image); 87 } 88 return image; 89 } 90 91 public static void assignMethodColors(Display display, MethodData[] methods) { 92 int nextColorIndex = 0; 93 for (MethodData md : methods) { 94 RGB rgb = rgbColors[nextColorIndex]; 95 if (++nextColorIndex == rgbColors.length) 96 nextColorIndex = 0; 97 Color color = requestColor(display, rgb); 98 Image image = requestColorSquare(display, rgb); 99 md.setColor(color); 100 md.setImage(image); 101 102 // Compute and set a faded color 103 int fadedRed = 150 + rgb.red / 4; 104 int fadedGreen = 150 + rgb.green / 4; 105 int fadedBlue = 150 + rgb.blue / 4; 106 RGB faded = new RGB(fadedRed, fadedGreen, fadedBlue); 107 color = requestColor(display, faded); 108 image = requestColorSquare(display, faded); 109 md.setFadedColor(color); 110 md.setFadedImage(image); 111 } 112 } 113 } 114
