001/* 002Copyright 2006 Jerry Huxtable 003 004Licensed under the Apache License, Version 2.0 (the "License"); 005you may not use this file except in compliance with the License. 006You may obtain a copy of the License at 007 008 http://www.apache.org/licenses/LICENSE-2.0 009 010Unless required by applicable law or agreed to in writing, software 011distributed under the License is distributed on an "AS IS" BASIS, 012WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 013See the License for the specific language governing permissions and 014limitations under the License. 015*/ 016 017package com.jhlabs.image; 018 019import java.awt.*; 020import java.awt.image.*; 021 022/** 023 * This filter tries to apply the Swing "flush 3D" effect to the black lines in an image. 024 */ 025public class Flush3DFilter extends WholeImageFilter { 026 027 public Flush3DFilter() { 028 } 029 030 protected int[] filterPixels( int width, int height, int[] inPixels, Rectangle transformedSpace ) { 031 int index = 0; 032 int[] outPixels = new int[width * height]; 033 034 for (int y = 0; y < height; y++) { 035 for (int x = 0; x < width; x++) { 036 int pixel = inPixels[y*width+x]; 037 038 if (pixel != 0xff000000 && y > 0 && x > 0) { 039 int count = 0; 040 if (inPixels[y*width+x-1] == 0xff000000) 041 count++; 042 if (inPixels[(y-1)*width+x] == 0xff000000) 043 count++; 044 if (inPixels[(y-1)*width+x-1] == 0xff000000) 045 count++; 046 if (count >= 2) 047 pixel = 0xffffffff; 048 } 049 outPixels[index++] = pixel; 050 } 051 052 } 053 return outPixels; 054 } 055 056 public String toString() { 057 return "Stylize/Flush 3D..."; 058 } 059 060} 061