165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/* 265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Copyright (C) 2011 The Android Open Source Project 365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Licensed under the Apache License, Version 2.0 (the "License"); 565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * you may not use this file except in compliance with the License. 665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * You may obtain a copy of the License at 765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * http://www.apache.org/licenses/LICENSE-2.0 965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * 1065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * Unless required by applicable law or agreed to in writing, software 1165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * distributed under the License is distributed on an "AS IS" BASIS, 1265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * See the License for the specific language governing permissions and 1465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * limitations under the License. 1565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 1665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpackage android.filterpacks.imageproc; 1865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 1965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Filter; 2065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.FilterContext; 2165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Frame; 2265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.FrameFormat; 2365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.GenerateFieldPort; 2465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Program; 2565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.ShaderProgram; 2665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.format.ImageFormat; 2765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.graphics.Color; 2865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpublic class DuotoneFilter extends Filter { 3065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "first_color", hasDefault = true) 3265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mFirstColor = 0xFFFF0000; 3365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "second_color", hasDefault = true) 3565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mSecondColor = 0xFFFFFF00; 3665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "tile_size", hasDefault = true) 3865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mTileSize = 640; 3965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private Program mProgram; 4165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mTarget = FrameFormat.TARGET_UNSPECIFIED; 4265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private final String mDuotoneShader = 4465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "precision mediump float;\n" + 4565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "uniform sampler2D tex_sampler_0;\n" + 4665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "uniform vec3 first;\n" + 4765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "uniform vec3 second;\n" + 4865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "varying vec2 v_texcoord;\n" + 4965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "void main() {\n" + 5065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn " vec4 color = texture2D(tex_sampler_0, v_texcoord);\n" + 5165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn " float energy = (color.r + color.g + color.b) * 0.3333;\n" + 5265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn " vec3 new_color = (1.0 - energy) * first + energy * second;\n" + 5365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn " gl_FragColor = vec4(new_color.rgb, color.a);\n" + 5465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "}\n"; 5565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public DuotoneFilter(String name) { 5765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn super(name); 5865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 5965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 6165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void setupPorts() { 6265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn addMaskedInputPort("image", ImageFormat.create(ImageFormat.COLORSPACE_RGBA)); 6365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn addOutputBasedOnInput("image", "image"); 6465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 6565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 6765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public FrameFormat getOutputFormat(String portName, FrameFormat inputFormat) { 6865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn return inputFormat; 6965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 7065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void initProgram(FilterContext context, int target) { 7265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn switch (target) { 7365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn case FrameFormat.TARGET_GPU: 7465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn ShaderProgram shaderProgram = new ShaderProgram(context, mDuotoneShader); 7565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn shaderProgram.setMaximumTileSize(mTileSize); 7665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram = shaderProgram; 7765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn break; 7865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn default: 8065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException("Filter Duotone does not support frames of " + 8165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "target " + target + "!"); 8265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mTarget = target; 8465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 8765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void process(FilterContext context) { 8865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Get input frame 8965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame input = pullInput("image"); 9065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn FrameFormat inputFormat = input.getFormat(); 9165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Create output frame 9365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame output = context.getFrameManager().newFrame(inputFormat); 9465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Create program if not created already 9665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mProgram == null || inputFormat.getTarget() != mTarget) { 9765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn initProgram(context, inputFormat.getTarget()); 9865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn updateParameters(); 10065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Process 10265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.process(input, output); 10365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Push output 10565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn pushOutput("image", output); 10665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Release pushed frame 10865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn output.release(); 10965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 11065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 11165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private void updateParameters() { 11265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn float first[] = { Color.red(mFirstColor)/255f, 11365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Color.green(mFirstColor)/255f, 11465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Color.blue(mFirstColor)/255f }; 11565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn float second[] = { Color.red(mSecondColor)/255f, 11665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Color.green(mSecondColor)/255f, 11765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Color.blue(mSecondColor)/255f }; 11865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 11965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setHostValue("first", first); 12065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.setHostValue("second", second); 12165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 12265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 123