java 图像滤镜库

/* */ package com.jhlabs.image; /* */ /* */ import com.jhlabs.math.Function2D; /* */ import com.jhlabs.math.ImageFunction2D; /* */ import com.jhlabs.vecmath.Color4f; /* */ import com.jhlabs.vecmath.Vector3f; /* */ import java.awt.Color; /* */ import java.awt.Image; /* */ import java.awt.Rectangle; /* */ import java.awt.image.BufferedImage; /* */ import java.awt.image.Kernel; /* */ import java.util.Vector; /* */ /* */ public class LightFilter extends WholeImageFilter /* */ { /* */ public static final int COLORS_FROM_IMAGE = 0; /* */ public static final int COLORS_CONSTANT = 1; /* */ public static final int BUMPS_FROM_IMAGE = 0; /* */ public static final int BUMPS_FROM_IMAGE_ALPHA = 1; /* */ public static final int BUMPS_FROM_MAP = 2; /* */ public static final int BUMPS_FROM_BEVEL = 3; /* */ private float bumpHeight; /* */ private float bumpSoftness; /* */ private int bumpShape; /* 64 */ private float viewDistance = 10000.0F; /* */ Material material; /* */ private Vector lights; /* 67 */ private int colorSource = 0; /* 68 */ private int bumpSource = 0; /* */ private Function2D bumpFunction; /* */ private Image environmentMap; /* */ private int[] envPixels; /* 72 */ private int envWidth = 1; private int envHeight = 1; /* */ private Vector3f l; /* */ private Vector3f v; /* */ private Vector3f n; /* */ private Color4f shadedColor; /* */ private Color4f diffuse_color; /* */ private Color4f specular_color; /* */ private Vector3f tmpv; /* */ private Vector3f tmpv2; /* */ protected static final float r255 = 0.003921569F; /* */ public static final int AMBIENT = 0; /* */ public static final int DISTANT = 1; /* */ public static final int POINT = 2; /* */ public static final int SPOT = 3; /* */ /* */ public LightFilter() /* */ { /* 84 */ this.lights = new Vector(); /* 85 */ addLight(new DistantLight()); /* 86 */ this.bumpHeight = 1.0F; /* 87 */ this.bumpSoftness = 5.0F; /* 88 */ this.bumpShape = 0; /* 89 */ this.material = new Material(); /* 90 */ this.l = new Vector3f(); /* 91 */ this.v = new Vector3f(); /* 92 */ this.n = new Vector3f(); /* 93 */ this.shadedColor = new Color4f(); /* 94 */ this.diffuse_color = new Color4f(); /* 95 */ this.specular_color = new Color4f(); /* 96 */ this.tmpv = new Vector3f(); /* 97 */ this.tmpv2 = new Vector3f(); /* */ } /* */ /* */ public void setMaterial(Material material) { /* 101 */ this.material = material; /* */ } /* */ /* */ public Material getMaterial() { /* 105 */ return this.material; /* */ } /* */ /* */ public void setBumpFunction(Function2D bumpFunction) { /* 109 */ this.bumpFunction = bumpFunction; /* */ } /* */ /* */ public Function2D getBumpFunction() { /* 113 */ return this.bumpFunction; /* */ } /* */ /* */ public void setBumpHeight(float bumpHeight) { /* 117 */ this.bumpHeight = bumpHeight; /* */ } /* */ /* */ public float getBumpHeight() { /* 121 */ return this.bumpHeight; /* */ } /* */ /* */ public void setBumpSoftness(float bumpSoftness) { /* 125 */ this.bumpSoftness = bumpSoftness; /* */ } /* */ /* */ public float getBumpSoftness() { /* 129 */ return this.bumpSoftness; /* */ } /* */ /* */ public void setBumpShape(int bumpShape) { /* 133 */ this.bumpShape = bumpShape; /* */ } /* */ /* */ public int getBumpShape() { /* 137 */ return this.bumpShape; /* */ } /* */ /* */ public void setViewDistance(float viewDistance) { /* 141 */ this.viewDistance = viewDistance; /* */ } /* */ /* */ public float getViewDistance() { /* 145 */ return this.viewDistance; /* */ } /* */ /* */ public void setEnvironmentMap(BufferedImage environmentMap) { /* 149 */ this.environmentMap = environmentMap; /* 150 */ if (environmentMap != null) { /* 151 */ this.envWidth = environmentMap.getWidth(); /* 152 */ this.envHeight = environmentMap.getHeight(); /* 153 */ this.envPixels = getRGB(environmentMap, 0, 0, this.envWidth, this.envHeight, null); /* */ } else { /* 155 */ this.envWidth = (this.envHeight = 1); /* 156 */ this.envPixels = null; /* */ } /* */ } /* */ /* */ public Image getEnvironmentMap() { /* 161 */ return this.environmentMap; /* */ } /* */ /* */ public void setColorSource(int colorSource) { /* 165 */ this.colorSource = colorSource; /* */ } /* */ /* */ public int getColorSource() { /* 169 */ return this.colorSource; /* */ } /* */ /* */ public void setBumpSource(int bumpSource) { /* 173 */ this.bumpSource = bumpSource; /* */ } /* */ /* */ public int getBumpSource() { /* 177 */ return this.bumpSource; /* */ } /* */ /* */ public void setDiffuseColor(int diffuseColor) { /* 181 */ this.material.diffuseColor = diffuseColor; /* */ } /* */ /* */ public int getDiffuseColor() { /* 185 */ return this.material.diffuseColor; /* */ } /* */ /* */ public void addLight(Light light) { /* 189 */ this.lights.addElement(light); /* */ } /* */ /* */ public void removeLight(Light light) { /* 193 */ this.lights.removeElement(light); /* */ } /* */ /* */ public Vector getLights() { /* 197 */ return this.lights; /* */ } /* */ /* */ protected void setFromRGB(Color4f c, int argb) /* */ { /* 203 */ c.set((argb >> 16 & 0xFF) * 0.003921569F, (argb >> 8 & 0xFF) * 0.003921569F, (argb & 0xFF) * 0.003921569F, (argb >> 24 & 0xFF) * 0.003921569F); /* */ } /* */ /* */ protected int[] filterPixels(int width, int height, int[] inPixels, Rectangle transformedSpace) { /* 207 */ int index = 0; /* 208 */ int[] outPixels = new int[width * height]; /* 209 */ float width45 = Math.abs(6.0F * this.bumpHeight); /* 210 */ boolean invertBumps = this.bumpHeight < 0.0F; /* 211 */ Vector3f position = new Vector3f(0.0F, 0.0F, 0.0F); /* 212 */ Vector3f viewpoint = new Vector3f(width / 2.0F, height / 2.0F, this.viewDistance); /* 213 */ Vector3f normal = new Vector3f(); /* 214 */ Color4f envColor = new Color4f(); /* 215 */ Color4f diffuseColor = new Color4f(new Color(this.material.diffuseColor)); /* 216 */ Color4f specularColor = new Color4f(new Color(this.material.specularColor)); /* 217 */ Function2D bump = this.bumpFunction; /* */ /* 220 */ if ((this.bumpSource == 0) || (this.bumpSource == 1) || (this.bumpSource == 2) || (bump == null)) { /* 221 */ if (this.bumpSoftness != 0.0F) { /* 222 */ int bumpWidth = width; /* 223 */ int bumpHeight = height; /* 224 */ int[] bumpPixels = inPixels; /* 225 */ if ((this.bumpSource == 2) && ((this.bumpFunction instanceof ImageFunction2D))) { /* 226 */ ImageFunction2D if2d = (ImageFunction2D)this.bumpFunction; /* 227 */ bumpWidth = if2d.getWidth(); /* 228 */ bumpHeight = if2d.getHeight(); /* 229 */ bumpPixels = if2d.getPixels(); /* */ } /* 231 */ int[] tmpPixels = new int[bumpWidth * bumpHeight]; /* 232 */ int[] softPixels = new int[bumpWidth * bumpHeight]; /* */ /* 239 */ Kernel kernel = GaussianFilter.makeKernel(this.bumpSoftness); /* 240 */ GaussianFilter.convolveAndTranspose(kernel, bumpPixels, tmpPix