1*cdf0e10cSrcweir /************************************************************************* 2*cdf0e10cSrcweir * 3*cdf0e10cSrcweir * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4*cdf0e10cSrcweir * 5*cdf0e10cSrcweir * Copyright 2000, 2010 Oracle and/or its affiliates. 6*cdf0e10cSrcweir * 7*cdf0e10cSrcweir * OpenOffice.org - a multi-platform office productivity suite 8*cdf0e10cSrcweir * 9*cdf0e10cSrcweir * This file is part of OpenOffice.org. 10*cdf0e10cSrcweir * 11*cdf0e10cSrcweir * OpenOffice.org is free software: you can redistribute it and/or modify 12*cdf0e10cSrcweir * it under the terms of the GNU Lesser General Public License version 3 13*cdf0e10cSrcweir * only, as published by the Free Software Foundation. 14*cdf0e10cSrcweir * 15*cdf0e10cSrcweir * OpenOffice.org is distributed in the hope that it will be useful, 16*cdf0e10cSrcweir * but WITHOUT ANY WARRANTY; without even the implied warranty of 17*cdf0e10cSrcweir * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 18*cdf0e10cSrcweir * GNU Lesser General Public License version 3 for more details 19*cdf0e10cSrcweir * (a copy is included in the LICENSE file that accompanied this code). 20*cdf0e10cSrcweir * 21*cdf0e10cSrcweir * You should have received a copy of the GNU Lesser General Public License 22*cdf0e10cSrcweir * version 3 along with OpenOffice.org. If not, see 23*cdf0e10cSrcweir * <http://www.openoffice.org/license.html> 24*cdf0e10cSrcweir * for a copy of the LGPLv3 License. 25*cdf0e10cSrcweir * 26*cdf0e10cSrcweir ************************************************************************/ 27*cdf0e10cSrcweir 28*cdf0e10cSrcweir package graphical; 29*cdf0e10cSrcweir 30*cdf0e10cSrcweir 31*cdf0e10cSrcweir // ----------------------------------------------------------------------------- 32*cdf0e10cSrcweir abstract class CountPixel 33*cdf0e10cSrcweir { 34*cdf0e10cSrcweir protected int m_nCount = 0; 35*cdf0e10cSrcweir public int getCount() {return m_nCount;} 36*cdf0e10cSrcweir public abstract void count(int _nRGB); 37*cdf0e10cSrcweir } 38*cdf0e10cSrcweir 39*cdf0e10cSrcweir // ----------------------------------------------------------------------------- 40*cdf0e10cSrcweir class CountNotWhite extends CountPixel 41*cdf0e10cSrcweir { 42*cdf0e10cSrcweir public CountNotWhite() 43*cdf0e10cSrcweir { 44*cdf0e10cSrcweir // System.out.println("CountWhite()"); 45*cdf0e10cSrcweir } 46*cdf0e10cSrcweir 47*cdf0e10cSrcweir public void countold(final int pixel) 48*cdf0e10cSrcweir { 49*cdf0e10cSrcweir // final int alpha = (pixel >> 24) & 0xff; 50*cdf0e10cSrcweir final int red = (pixel >> 16) & 0xff; 51*cdf0e10cSrcweir final int green = (pixel >> 8) & 0xff; 52*cdf0e10cSrcweir final int blue = (pixel ) & 0xff; 53*cdf0e10cSrcweir 54*cdf0e10cSrcweir // System.out.println(String.valueOf(red) + ":" + String.valueOf(green) + ":" + String.valueOf(blue)); 55*cdf0e10cSrcweir if (red == 0xff && green == 0xff && blue == 0xff) 56*cdf0e10cSrcweir { 57*cdf0e10cSrcweir return; 58*cdf0e10cSrcweir } 59*cdf0e10cSrcweir ++m_nCount; 60*cdf0e10cSrcweir } 61*cdf0e10cSrcweir public void count(final int pixel) 62*cdf0e10cSrcweir { 63*cdf0e10cSrcweir // final int alpha = (pixel >> 24) & 0xff; 64*cdf0e10cSrcweir final int blue = (pixel ) & 0xff; 65*cdf0e10cSrcweir if (blue != 0xff) 66*cdf0e10cSrcweir { 67*cdf0e10cSrcweir ++m_nCount; 68*cdf0e10cSrcweir return; 69*cdf0e10cSrcweir } 70*cdf0e10cSrcweir final int green = (pixel >> 8) & 0xff; 71*cdf0e10cSrcweir if (green != 0xff) 72*cdf0e10cSrcweir { 73*cdf0e10cSrcweir ++m_nCount; 74*cdf0e10cSrcweir return; 75*cdf0e10cSrcweir } 76*cdf0e10cSrcweir final int red = (pixel >> 16) & 0xff; 77*cdf0e10cSrcweir if (red != 0xff) 78*cdf0e10cSrcweir { 79*cdf0e10cSrcweir ++m_nCount; 80*cdf0e10cSrcweir return; 81*cdf0e10cSrcweir } 82*cdf0e10cSrcweir } 83*cdf0e10cSrcweir } 84*cdf0e10cSrcweir 85*cdf0e10cSrcweir // ----------------------------------------------------------------------------- 86*cdf0e10cSrcweir class CountNotBlack extends CountPixel 87*cdf0e10cSrcweir { 88*cdf0e10cSrcweir public CountNotBlack() 89*cdf0e10cSrcweir { 90*cdf0e10cSrcweir // System.out.println("CountBlack()"); 91*cdf0e10cSrcweir } 92*cdf0e10cSrcweir 93*cdf0e10cSrcweir public void countold(final int pixel) 94*cdf0e10cSrcweir { 95*cdf0e10cSrcweir // final int alpha = (pixel >> 24) & 0xff; 96*cdf0e10cSrcweir final int red = (pixel >> 16) & 0xff; 97*cdf0e10cSrcweir final int green = (pixel >> 8) & 0xff; 98*cdf0e10cSrcweir final int blue = (pixel ) & 0xff; 99*cdf0e10cSrcweir 100*cdf0e10cSrcweir if (red == 0x00 && green == 0x00 && blue == 0x00) 101*cdf0e10cSrcweir { 102*cdf0e10cSrcweir return; 103*cdf0e10cSrcweir } 104*cdf0e10cSrcweir ++m_nCount; 105*cdf0e10cSrcweir } 106*cdf0e10cSrcweir public void count(final int pixel) 107*cdf0e10cSrcweir { 108*cdf0e10cSrcweir // final int alpha = (pixel >> 24) & 0xff; 109*cdf0e10cSrcweir final int blue = (pixel ) & 0xff; 110*cdf0e10cSrcweir if (blue != 0x00) 111*cdf0e10cSrcweir { 112*cdf0e10cSrcweir ++m_nCount; 113*cdf0e10cSrcweir return; 114*cdf0e10cSrcweir } 115*cdf0e10cSrcweir final int green = (pixel >> 8) & 0xff; 116*cdf0e10cSrcweir if (green != 0x00) 117*cdf0e10cSrcweir { 118*cdf0e10cSrcweir ++m_nCount; 119*cdf0e10cSrcweir return; 120*cdf0e10cSrcweir } 121*cdf0e10cSrcweir final int red = (pixel >> 16) & 0xff; 122*cdf0e10cSrcweir if (red != 0x00) 123*cdf0e10cSrcweir { 124*cdf0e10cSrcweir ++m_nCount; 125*cdf0e10cSrcweir return; 126*cdf0e10cSrcweir } 127*cdf0e10cSrcweir } 128*cdf0e10cSrcweir } 129*cdf0e10cSrcweir 130*cdf0e10cSrcweir // ----------------------------------------------------------------------------- 131*cdf0e10cSrcweir class graphics_stuff 132*cdf0e10cSrcweir { 133*cdf0e10cSrcweir // public int stuff() 134*cdf0e10cSrcweir // { 135*cdf0e10cSrcweir //// (1) decoding 136*cdf0e10cSrcweir // int rgba = 0; // ...; // comes from PixelGrabber, BufferedImage.getRGB etc. 137*cdf0e10cSrcweir // int red = (rgba >> 16) & 0xff; 138*cdf0e10cSrcweir // int green = (rgba >> 8) & 0xff; 139*cdf0e10cSrcweir // int blue = rgba & 0xff; 140*cdf0e10cSrcweir // int alpha = (rgba >> 24) & 0xff; 141*cdf0e10cSrcweir //// (2) now modify red, green, blue and alpha as you like; 142*cdf0e10cSrcweir //// make sure that each of the four values stays in the 143*cdf0e10cSrcweir //// interval 0 to 255 144*cdf0e10cSrcweir //// ... 145*cdf0e10cSrcweir //// (3) and encode back to an int, e.g. to give it to MemoryImageSource or 146*cdf0e10cSrcweir //// BufferedImage.setRGB 147*cdf0e10cSrcweir // rgba = (alpha << 24) | (red << 16) | (green << 8) | blue; 148*cdf0e10cSrcweir // return 0; 149*cdf0e10cSrcweir // } 150*cdf0e10cSrcweir 151*cdf0e10cSrcweir // public static void handlesinglepixel(int x, int y, int pixel) 152*cdf0e10cSrcweir // { 153*cdf0e10cSrcweir // int alpha = (pixel >> 24) & 0xff; 154*cdf0e10cSrcweir // int red = (pixel >> 16) & 0xff; 155*cdf0e10cSrcweir // int green = (pixel >> 8) & 0xff; 156*cdf0e10cSrcweir // int blue = (pixel ) & 0xff; 157*cdf0e10cSrcweir // // Deal with the pixel as necessary... 158*cdf0e10cSrcweir // } 159*cdf0e10cSrcweir 160*cdf0e10cSrcweir public static void countPixel(ImageHelper img, int _x, int _y, int _w, int _h, CountPixel _aPixelCounter) 161*cdf0e10cSrcweir { 162*cdf0e10cSrcweir for (int y = 0; y < _h; y++) { 163*cdf0e10cSrcweir for (int x = 0; x < _w; x++) { 164*cdf0e10cSrcweir // handlesinglepixel(x+i, y+j, pixels[j * w + i]); 165*cdf0e10cSrcweir _aPixelCounter.count(img.getPixel(x,y)); 166*cdf0e10cSrcweir } 167*cdf0e10cSrcweir } 168*cdf0e10cSrcweir } 169*cdf0e10cSrcweir public static int countNotWhitePixel(ImageHelper _aImage) 170*cdf0e10cSrcweir { 171*cdf0e10cSrcweir final int w = _aImage.getWidth(); 172*cdf0e10cSrcweir final int h = _aImage.getHeight(); 173*cdf0e10cSrcweir 174*cdf0e10cSrcweir CountPixel aCountNotWhite = new CountNotWhite(); 175*cdf0e10cSrcweir countPixel(_aImage, 0, 0, w, h, aCountNotWhite); 176*cdf0e10cSrcweir return aCountNotWhite.getCount(); 177*cdf0e10cSrcweir } 178*cdf0e10cSrcweir 179*cdf0e10cSrcweir public static int countNotBlackPixel(ImageHelper _aImage) 180*cdf0e10cSrcweir { 181*cdf0e10cSrcweir final int w = _aImage.getWidth(); 182*cdf0e10cSrcweir final int h = _aImage.getHeight(); 183*cdf0e10cSrcweir 184*cdf0e10cSrcweir CountPixel aCountNotBlack = new CountNotBlack(); 185*cdf0e10cSrcweir countPixel(_aImage, 0, 0, w, h, aCountNotBlack); 186*cdf0e10cSrcweir return aCountNotBlack.getCount(); 187*cdf0e10cSrcweir } 188*cdf0e10cSrcweir } 189*cdf0e10cSrcweir 190*cdf0e10cSrcweir // ----------------------------------------------------------------------------- 191*cdf0e10cSrcweir 192*cdf0e10cSrcweir public class PixelCounter { 193*cdf0e10cSrcweir // private Image m_aImage; 194*cdf0e10cSrcweir // ImageHelper m_aImage; 195*cdf0e10cSrcweir 196*cdf0e10cSrcweir 197*cdf0e10cSrcweir public int countNotWhitePixel(String _sFile) 198*cdf0e10cSrcweir throws java.io.IOException 199*cdf0e10cSrcweir { 200*cdf0e10cSrcweir ImageHelper aImage = ImageHelper.createImageHelper(_sFile); 201*cdf0e10cSrcweir final int nw = graphics_stuff.countNotWhitePixel(aImage); 202*cdf0e10cSrcweir return nw; 203*cdf0e10cSrcweir } 204*cdf0e10cSrcweir 205*cdf0e10cSrcweir public int countNotBlackPixel(String _sFile) 206*cdf0e10cSrcweir throws java.io.IOException 207*cdf0e10cSrcweir { 208*cdf0e10cSrcweir ImageHelper aImage = ImageHelper.createImageHelper(_sFile); 209*cdf0e10cSrcweir final int nw = graphics_stuff.countNotBlackPixel(aImage); 210*cdf0e10cSrcweir return nw; 211*cdf0e10cSrcweir } 212*cdf0e10cSrcweir 213*cdf0e10cSrcweir public static int countNotWhitePixelsFromImage(String _sFile) 214*cdf0e10cSrcweir throws java.io.IOException 215*cdf0e10cSrcweir { 216*cdf0e10cSrcweir PixelCounter a = new PixelCounter(); 217*cdf0e10cSrcweir return a.countNotWhitePixel(_sFile); 218*cdf0e10cSrcweir } 219*cdf0e10cSrcweir 220*cdf0e10cSrcweir public static int countNotBlackPixelsFromImage(String _sFile) 221*cdf0e10cSrcweir throws java.io.IOException 222*cdf0e10cSrcweir { 223*cdf0e10cSrcweir PixelCounter a = new PixelCounter(); 224*cdf0e10cSrcweir return a.countNotBlackPixel(_sFile); 225*cdf0e10cSrcweir } 226*cdf0e10cSrcweir 227*cdf0e10cSrcweir // ----------------------------------------------------------------------------- 228*cdf0e10cSrcweir 229*cdf0e10cSrcweir // public static void main(String[] args) { 230*cdf0e10cSrcweir // 231*cdf0e10cSrcweir // String a = helper.StringHelper.createValueString(10, 4); 232*cdf0e10cSrcweir // int dummy = 1; 233*cdf0e10cSrcweir ///* 234*cdf0e10cSrcweir // BorderRemover a = new BorderRemover(); 235*cdf0e10cSrcweir // try 236*cdf0e10cSrcweir // { 237*cdf0e10cSrcweir // a.createNewImageWithoutBorder(args[0], args[1]); 238*cdf0e10cSrcweir // } 239*cdf0e10cSrcweir // catch(java.io.IOException e) 240*cdf0e10cSrcweir // { 241*cdf0e10cSrcweir // System.out.println("Exception caught."); 242*cdf0e10cSrcweir // } 243*cdf0e10cSrcweir // */ 244*cdf0e10cSrcweir // } 245*cdf0e10cSrcweir } 246*cdf0e10cSrcweir 247*cdf0e10cSrcweir 248