159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/* 259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Copyright (c) 2009-2010 jMonkeyEngine 359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * All rights reserved. 459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Redistribution and use in source and binary forms, with or without 659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * modification, are permitted provided that the following conditions are 759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * met: 859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions of source code must retain the above copyright 1059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer. 1159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Redistributions in binary form must reproduce the above copyright 1359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * notice, this list of conditions and the following disclaimer in the 1459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * documentation and/or other materials provided with the distribution. 1559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 1659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * * Neither the name of 'jMonkeyEngine' nor the names of its contributors 1759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * may be used to endorse or promote products derived from this software 1859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * without specific prior written permission. 1959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 2059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 2159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 2259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 2359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 2459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 2559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 2659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 2759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 2859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 2959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 3059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 3159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 3259b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartapackage com.jme3.scene.plugins.blender.textures; 3359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 3459b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.math.FastMath; 3559b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.plugins.blender.BlenderContext; 3659b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.plugins.blender.exceptions.BlenderFileException; 3759b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.plugins.blender.file.DynamicArray; 3859b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.plugins.blender.file.Pointer; 3959b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.scene.plugins.blender.file.Structure; 4059b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport com.jme3.texture.Texture; 4159b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.util.Map; 4259b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.util.TreeMap; 4359b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.util.logging.Level; 4459b2e6871c65f58fdad78cd7229c292f6a177578Scott Bartaimport java.util.logging.Logger; 4559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 4659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/** 4759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * This class is a base class for texture generators. 4859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @author Marcin Roguski (Kaelthas) 4959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 5059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta/* package */abstract class TextureGenerator { 5159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private static final Logger LOGGER = Logger.getLogger(TextureGenerator.class.getName()); 5259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected NoiseGenerator noiseGenerator; 5459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public TextureGenerator(NoiseGenerator noiseGenerator) { 5659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.noiseGenerator = noiseGenerator; 5759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 5859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 5959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 6059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * This method generates the texture. 6159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param tex 6259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * texture's structure 6359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param width 6459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * the width of the result texture 6559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param height 6659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * the height of the result texture 6759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param depth 6859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * the depth of the texture 6959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param blenderContext 7059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * the blender context 7159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @return newly generated texture 7259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 7359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected abstract Texture generate(Structure tex, int width, int height, int depth, BlenderContext blenderContext); 7459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 7559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 7659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * This method reads the colorband data from the given texture structure. 7759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 7859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param tex 7959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * the texture structure 8059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param blenderContext 8159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * the blender context 8259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @return read colorband or null if not present 8359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 8459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private ColorBand readColorband(Structure tex, BlenderContext blenderContext) { 8559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ColorBand result = null; 8659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int flag = ((Number) tex.getFieldValue("flag")).intValue(); 8759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if ((flag & NoiseGenerator.TEX_COLORBAND) != 0) { 8859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Pointer pColorband = (Pointer) tex.getFieldValue("coba"); 8959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Structure colorbandStructure; 9059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta try { 9159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta colorbandStructure = pColorband.fetchData(blenderContext.getInputStream()).get(0); 9259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result = new ColorBand(colorbandStructure); 9359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } catch (BlenderFileException e) { 9459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta LOGGER.log(Level.WARNING, "Cannot fetch the colorband structure. The reason: {0}", e.getLocalizedMessage()); 9559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return result; 9859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 9959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected float[][] computeColorband(Structure tex, BlenderContext blenderContext) { 10159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ColorBand colorBand = this.readColorband(tex, blenderContext); 10259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float[][] result = null; 10359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if(colorBand!=null) { 10459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result = new float[1001][4];//1001 - amount of possible cursor positions; 4 = [r, g, b, a] 10559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ColorBandData[] dataArray = colorBand.data; 10659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 10759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if(dataArray.length==1) {//special case; use only one color for all types of colorband interpolation 10859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for(int i=0;i<result.length;++i) { 10959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][0] = dataArray[0].r; 11059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][1] = dataArray[0].g; 11159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][2] = dataArray[0].b; 11259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][3] = dataArray[0].a; 11359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 11459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } else { 11559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int currentCursor = 0; 11659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ColorBandData currentData = dataArray[0]; 11759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ColorBandData nextData = dataArray[0]; 11859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta switch(colorBand.ipoType) { 11959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta case ColorBand.IPO_LINEAR: 12059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float rDiff = 0, gDiff = 0, bDiff = 0, aDiff = 0, posDiff; 12159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for(int i=0;i<result.length;++i) { 12259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta posDiff = i - currentData.pos; 12359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][0] = currentData.r + rDiff * posDiff; 12459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][1] = currentData.g + gDiff * posDiff; 12559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][2] = currentData.b + bDiff * posDiff; 12659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][3] = currentData.a + aDiff * posDiff; 12759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if(nextData.pos==i) { 12859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta currentData = dataArray[currentCursor++]; 12959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if(currentCursor < dataArray.length) { 13059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta nextData = dataArray[currentCursor]; 13159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta //calculate differences 13259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta int d = nextData.pos - currentData.pos; 13359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta rDiff = (nextData.r - currentData.r)/d; 13459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta gDiff = (nextData.g - currentData.g)/d; 13559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta bDiff = (nextData.b - currentData.b)/d; 13659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta aDiff = (nextData.a - currentData.a)/d; 13759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } else { 13859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta rDiff = gDiff = bDiff = aDiff = 0; 13959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 14059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 14159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 14259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta break; 14359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta case ColorBand.IPO_BSPLINE: 14459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta case ColorBand.IPO_CARDINAL: 14559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta Map<Integer, ColorBandData> cbDataMap = new TreeMap<Integer, ColorBandData>(); 14659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for(int i=0;i<colorBand.data.length;++i) { 14759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta cbDataMap.put(Integer.valueOf(i), colorBand.data[i]); 14859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 14959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 15059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if(colorBand.data[0].pos==0) { 15159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta cbDataMap.put(Integer.valueOf(-1), colorBand.data[0]); 15259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } else { 15359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ColorBandData cbData = colorBand.data[0].clone(); 15459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta cbData.pos = 0; 15559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta cbDataMap.put(Integer.valueOf(-1), cbData); 15659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta cbDataMap.put(Integer.valueOf(-2), cbData); 15759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 15859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 15959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if(colorBand.data[colorBand.data.length - 1].pos==1000) { 16059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta cbDataMap.put(Integer.valueOf(colorBand.data.length), colorBand.data[colorBand.data.length - 1]); 16159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } else { 16259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ColorBandData cbData = colorBand.data[colorBand.data.length - 1].clone(); 16359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta cbData.pos = 1000; 16459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta cbDataMap.put(Integer.valueOf(colorBand.data.length), cbData); 16559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta cbDataMap.put(Integer.valueOf(colorBand.data.length + 1), cbData); 16659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 16759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 16859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float[] ipoFactors = new float[4]; 16959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float f; 17059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 17159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ColorBandData data0 = cbDataMap.get(currentCursor - 2); 17259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ColorBandData data1 = cbDataMap.get(currentCursor - 1); 17359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ColorBandData data2 = cbDataMap.get(currentCursor); 17459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ColorBandData data3 = cbDataMap.get(currentCursor + 1); 17559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 17659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for(int i=0;i<result.length;++i) { 17759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (data2.pos != data1.pos) { 17859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta f = (i - data2.pos) / (float)(data1.pos - data2.pos); 17959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } else { 18059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta f = 0.0f; 18159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 18259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 18359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta f = FastMath.clamp(f, 0.0f, 1.0f); 18459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 18559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.getIpoData(colorBand, f, ipoFactors); 18659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][0] = ipoFactors[3] * data0.r + ipoFactors[2] * data1.r + ipoFactors[1] * data2.r + ipoFactors[0] * data3.r; 18759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][1] = ipoFactors[3] * data0.g + ipoFactors[2] * data1.g + ipoFactors[1] * data2.g + ipoFactors[0] * data3.g; 18859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][2] = ipoFactors[3] * data0.b + ipoFactors[2] * data1.b + ipoFactors[1] * data2.b + ipoFactors[0] * data3.b; 18959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][3] = ipoFactors[3] * data0.a + ipoFactors[2] * data1.a + ipoFactors[1] * data2.a + ipoFactors[0] * data3.a; 19059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][0] = FastMath.clamp(result[i][0], 0.0f, 1.0f); 19159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][1] = FastMath.clamp(result[i][1], 0.0f, 1.0f); 19259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][2] = FastMath.clamp(result[i][2], 0.0f, 1.0f); 19359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][3] = FastMath.clamp(result[i][3], 0.0f, 1.0f); 19459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 19559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if(nextData.pos==i) { 19659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ++currentCursor; 19759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta data0 = cbDataMap.get(currentCursor - 2); 19859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta data1 = cbDataMap.get(currentCursor - 1); 19959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta data2 = cbDataMap.get(currentCursor); 20059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta data3 = cbDataMap.get(currentCursor + 1); 20159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 20259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 20359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta break; 20459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta case ColorBand.IPO_EASE: 20559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float d, a, b, d2; 20659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for(int i=0;i<result.length;++i) { 20759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if(nextData.pos != currentData.pos) { 20859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta d = (i - currentData.pos) / (float)(nextData.pos - currentData.pos); 20959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta d2 = d * d; 21059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta a = 3.0f * d2 - 2.0f * d * d2; 21159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta b = 1.0f - a; 21259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } else { 21359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta d = a = 0.0f; 21459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta b = 1.0f; 21559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 21659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 21759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][0] = b * currentData.r + a * nextData.r; 21859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][1] = b * currentData.g + a * nextData.g; 21959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][2] = b * currentData.b + a * nextData.b; 22059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][3] = b * currentData.a + a * nextData.a; 22159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if(nextData.pos==i) { 22259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta currentData = dataArray[currentCursor++]; 22359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if(currentCursor < dataArray.length) { 22459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta nextData = dataArray[currentCursor]; 22559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 22659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 22759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 22859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta break; 22959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta case ColorBand.IPO_CONSTANT: 23059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for(int i=0;i<result.length;++i) { 23159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][0] = currentData.r; 23259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][1] = currentData.g; 23359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][2] = currentData.b; 23459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta result[i][3] = currentData.a; 23559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if(nextData.pos==i) { 23659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta currentData = dataArray[currentCursor++]; 23759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if(currentCursor < dataArray.length) { 23859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta nextData = dataArray[currentCursor]; 23959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 24059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 24159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 24259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta break; 24359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta default: 24459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta throw new IllegalStateException("Unknown interpolation type: " + colorBand.ipoType); 24559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 24659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 24759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 24859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return result; 24959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 25059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 25159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 25259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * This method returns the data for either B-spline of Cardinal interpolation. 25359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param colorBand the color band 25459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param d distance factor for the current intensity 25559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param ipoFactors table to store the results (size of the table must be at least 4) 25659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 25759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private void getIpoData(ColorBand colorBand, float d, float[] ipoFactors) { 25859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float d2 = d * d; 25959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta float d3 = d2 * d; 26059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if(colorBand.ipoType==ColorBand.IPO_BSPLINE) { 26159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ipoFactors[0] = -0.71f * d3 + 1.42f * d2 - 0.71f * d; 26259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ipoFactors[1] = 1.29f * d3 - 2.29f * d2 + 1.0f; 26359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ipoFactors[2] = -1.29f * d3 + 1.58f * d2 + 0.71f * d; 26459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ipoFactors[3] = 0.71f * d3 - 0.71f * d2; 26559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } else if(colorBand.ipoType==ColorBand.IPO_CARDINAL) { 26659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ipoFactors[0] = -0.16666666f * d3 + 0.5f * d2 - 0.5f * d + 0.16666666f; 26759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ipoFactors[1] = 0.5f * d3 - d2 + 0.6666666f; 26859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ipoFactors[2] = -0.5f * d3 + 0.5f * d2 + 0.5f * d + 0.16666666f; 26959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta ipoFactors[3] = 0.16666666f * d3; 27059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } else { 27159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta throw new IllegalStateException("Cannot get interpolation data for other colorband types than B-spline and Cardinal!"); 27259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 27359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 27459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 27559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 27659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * This method applies brightness and contrast for RGB textures. 27759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param tex texture structure 27859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param texres 27959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 28059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected void applyBrightnessAndContrast(BrightnessAndContrastData bacd, TexturePixel texres) { 28159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.red = (texres.red - 0.5f) * bacd.contrast + bacd.brightness; 28259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (texres.red < 0.0f) { 28359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.red = 0.0f; 28459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 28559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.green =(texres.green - 0.5f) * bacd.contrast + bacd.brightness; 28659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (texres.green < 0.0f) { 28759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.green = 0.0f; 28859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 28959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.blue = (texres.blue - 0.5f) * bacd.contrast + bacd.brightness; 29059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (texres.blue < 0.0f) { 29159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.blue = 0.0f; 29259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 29359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 29459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 29559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 29659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * This method applies brightness and contrast for Luminance textures. 29759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param texres 29859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param contrast 29959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param brightness 30059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 30159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected void applyBrightnessAndContrast(TexturePixel texres, float contrast, float brightness) { 30259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.intensity = (texres.intensity - 0.5f) * contrast + brightness; 30359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta if (texres.intensity < 0.0f) { 30459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.intensity = 0.0f; 30559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } else if (texres.intensity > 1.0f) { 30659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta texres.intensity = 1.0f; 30759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 30859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 30959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 31059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 31159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * A class constaining the colorband data. 31259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 31359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @author Marcin Roguski (Kaelthas) 31459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 31559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected static class ColorBand { 31659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta //interpolation types 31759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public static final int IPO_LINEAR = 0; 31859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public static final int IPO_EASE = 1; 31959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public static final int IPO_BSPLINE = 2; 32059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public static final int IPO_CARDINAL = 3; 32159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public static final int IPO_CONSTANT = 4; 32259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 32359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public int cursorsAmount, ipoType; 32459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public ColorBandData[] data; 32559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 32659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 32759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Constructor. Loads the data from the given structure. 32859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 32959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param cbdataStructure 33059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * the colorband structure 33159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 33259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @SuppressWarnings("unchecked") 33359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public ColorBand(Structure colorbandStructure) { 33459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.cursorsAmount = ((Number) colorbandStructure.getFieldValue("tot")).intValue(); 33559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.ipoType = ((Number) colorbandStructure.getFieldValue("ipotype")).intValue(); 33659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.data = new ColorBandData[this.cursorsAmount]; 33759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta DynamicArray<Structure> data = (DynamicArray<Structure>) colorbandStructure.getFieldValue("data"); 33859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta for (int i = 0; i < this.cursorsAmount; ++i) { 33959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.data[i] = new ColorBandData(data.get(i)); 34059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 34159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 34259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 34359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 34459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 34559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Class to store the single colorband cursor data. 34659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 34759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @author Marcin Roguski (Kaelthas) 34859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 34959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected static class ColorBandData implements Cloneable { 35059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public final float r, g, b, a; 35159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public int pos; 35259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 35359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 35459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Copy constructor. 35559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 35659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta private ColorBandData(ColorBandData data) { 35759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.r = data.r; 35859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.g = data.g; 35959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.b = data.b; 36059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.a = data.a; 36159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.pos = data.pos; 36259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 36359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 36459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 36559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Constructor. Loads the data from the given structure. 36659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * 36759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param cbdataStructure 36859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * the structure containing the CBData object 36959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 37059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public ColorBandData(Structure cbdataStructure) { 37159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.r = ((Number) cbdataStructure.getFieldValue("r")).floatValue(); 37259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.g = ((Number) cbdataStructure.getFieldValue("g")).floatValue(); 37359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.b = ((Number) cbdataStructure.getFieldValue("b")).floatValue(); 37459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.a = ((Number) cbdataStructure.getFieldValue("a")).floatValue(); 37559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta this.pos = (int) (((Number) cbdataStructure.getFieldValue("pos")).floatValue() * 1000.0f); 37659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 37759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 37859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 37959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public ColorBandData clone() { 38059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta try { 38159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return (ColorBandData) super.clone(); 38259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } catch (CloneNotSupportedException e) { 38359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return new ColorBandData(this); 38459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 38559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 38659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 38759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta @Override 38859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public String toString() { 38959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta return "P: " + this.pos + " [" + this.r+", "+this.g+", "+this.b+", "+this.a+"]"; 39059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 39159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 39259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 39359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 39459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * This class contains brightness and contrast data. 39559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @author Marcin Roguski (Kaelthas) 39659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 39759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta protected static class BrightnessAndContrastData { 39859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public final float contrast; 39959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public final float brightness; 40059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public final float rFactor; 40159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public final float gFactor; 40259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public final float bFactor; 40359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta 40459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta /** 40559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * Constructor reads the required data from the given structure. 40659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta * @param tex texture structure 40759b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta */ 40859b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta public BrightnessAndContrastData(Structure tex) { 40959b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta contrast = ((Number) tex.getFieldValue("contrast")).floatValue(); 41059b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta brightness = ((Number) tex.getFieldValue("bright")).floatValue() - 0.5f; 41159b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta rFactor = ((Number) tex.getFieldValue("rfac")).floatValue(); 41259b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta gFactor = ((Number) tex.getFieldValue("gfac")).floatValue(); 41359b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta bFactor = ((Number) tex.getFieldValue("bfac")).floatValue(); 41459b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 41559b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta } 41659b2e6871c65f58fdad78cd7229c292f6a177578Scott Barta} 417