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 Renn 1865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpackage android.filterpacks.imageproc; 1965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 2065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Filter; 2165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.FilterContext; 2265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Frame; 2365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.FrameFormat; 2465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.GenerateFieldPort; 2565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.Program; 2665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.core.ShaderProgram; 2765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.format.ImageFormat; 2865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.geometry.Quad; 2965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennimport android.filterfw.geometry.Point; 3065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn/** 3265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn * @hide 3365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn */ 3465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Rennpublic class RotateFilter extends Filter { 3565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "angle") 3765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mAngle; 3865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 3965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @GenerateFieldPort(name = "tile_size", hasDefault = true) 4065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mTileSize = 640; 4165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private Program mProgram; 4365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mWidth = 0; 4565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mHeight = 0; 4665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mTarget = FrameFormat.TARGET_UNSPECIFIED; 4765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 4865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mOutputWidth; 4965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private int mOutputHeight; 5065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public RotateFilter(String name) { 5265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn super(name); 5365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 5465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 5565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 5665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void setupPorts() { 5765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn addMaskedInputPort("image", ImageFormat.create(ImageFormat.COLORSPACE_RGBA)); 5865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn addOutputBasedOnInput("image", "image"); 5965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 6065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 6165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void initProgram(FilterContext context, int target) { 6265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn switch (target) { 6365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn case FrameFormat.TARGET_GPU: 6465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn ShaderProgram shaderProgram = ShaderProgram.createIdentity(context); 6565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn shaderProgram.setMaximumTileSize(mTileSize); 6665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn shaderProgram.setClearsOutput(true); 6765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram = shaderProgram; 6865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn break; 6965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn default: 7165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException("Filter Sharpen does not support frames of " + 7265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn "target " + target + "!"); 7365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 7465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mTarget = target; 7565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 7665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 7765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 7865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void fieldPortValueUpdated(String name, FilterContext context) { 7965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mProgram != null) { 8065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn updateParameters(); 8165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 8365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 8465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn @Override 8565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn public void process(FilterContext context) { 8665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Get input frame 8765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame input = pullInput("image"); 8865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn FrameFormat inputFormat = input.getFormat(); 8965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Create program if not created already 9165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mProgram == null || inputFormat.getTarget() != mTarget) { 9265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn initProgram(context, inputFormat.getTarget()); 9365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 9465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 9565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (inputFormat.getWidth() != mWidth || inputFormat.getHeight() != mHeight) { 9665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mWidth = inputFormat.getWidth(); 9765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mHeight = inputFormat.getHeight(); 9865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mOutputWidth = mWidth; 9965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mOutputHeight = mHeight; 10065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn updateParameters(); 10265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 10365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Create output frame 10565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn FrameFormat outputFormat = ImageFormat.create(mOutputWidth, mOutputHeight, 10665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn ImageFormat.COLORSPACE_RGBA, 10765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn FrameFormat.TARGET_GPU); 10865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 10965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Frame output = context.getFrameManager().newFrame(outputFormat); 11065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 11165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Process 11265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mProgram.process(input, output); 11365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 11465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Push output 11565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn pushOutput("image", output); 11665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 11765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn // Release pushed frame 11865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn output.release(); 11965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 12065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 12165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn private void updateParameters() { 12265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn float sinTheta; 12365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn float cosTheta; 12465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 12565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mAngle % 90 == 0) { 12665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn if (mAngle % 180 == 0) { 12765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn sinTheta = 0f; 12865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn cosTheta = (mAngle % 360 == 0) ? 1f:-1f; 12965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else { 13065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn cosTheta = 0f; 13165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn sinTheta = ((mAngle + 90) % 360 == 0) ? -1f:1f; 13265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 13365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mOutputWidth = mHeight; 13465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn mOutputHeight = mWidth; 13565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 13665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } else { 13765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn throw new RuntimeException("degree has to be multiply of 90."); 13865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 13965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 14065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Point x0 = new Point(0.5f * (-cosTheta + sinTheta + 1f), 14165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 0.5f * (-sinTheta - cosTheta + 1f)); 14265953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Point x1 = new Point(0.5f * (cosTheta + sinTheta + 1f), 14365953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 0.5f * (sinTheta - cosTheta + 1f)); 14465953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Point x2 = new Point(0.5f * (-cosTheta - sinTheta + 1f), 14565953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 0.5f * (-sinTheta + cosTheta + 1f)); 14665953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Point x3 = new Point(0.5f * (cosTheta - sinTheta + 1f), 14765953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn 0.5f * (sinTheta + cosTheta + 1f)); 14865953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn Quad quad = new Quad(x0, x1, x2, x3); 14965953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn ((ShaderProgram) mProgram).setTargetRegion(quad); 15065953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn } 15165953da4636fbf5f0a24b8f5f2b5fa7d76ff13d9Marius Renn} 152