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///////////////////////////////////////////////////////////////////////////////////////////////////
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// Copyright 2016 Leszek Koltunski //
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// //
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// This file is part of Distorted. //
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// //
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// Distorted is free software: you can redistribute it and/or modify //
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// it under the terms of the GNU General Public License as published by //
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// the Free Software Foundation, either version 2 of the License, or //
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// (at your option) any later version. //
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// //
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// Distorted is distributed in the hope that it will be useful, //
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// but WITHOUT ANY WARRANTY; without even the implied warranty of //
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the //
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// GNU General Public License for more details. //
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// //
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// You should have received a copy of the GNU General Public License //
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// along with Distorted. If not, see <http://www.gnu.org/licenses/>. //
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///////////////////////////////////////////////////////////////////////////////////////////////////
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Leszek Koltunski
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package org.distorted.examples.movingeffects;
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import javax.microedition.khronos.egl.EGLConfig;
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import javax.microedition.khronos.opengles.GL10;
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import android.graphics.Bitmap;
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import android.graphics.Canvas;
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import android.graphics.Paint;
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import android.graphics.Paint.Style;
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import android.opengl.GLES20;
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import android.opengl.GLSurfaceView;
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import org.distorted.library.DistortedFramebuffer;
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import org.distorted.library.DistortedTexture;
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import org.distorted.library.DistortedEffects;
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import org.distorted.library.MeshFlat;
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import org.distorted.library.Distorted;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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class MovingEffectsRenderer implements GLSurfaceView.Renderer
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{
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private MovingEffectsSurfaceView mView;
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private Canvas mCanvas;
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private Bitmap mBitmap;
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private Paint mPaint;
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private int texW, texH;
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private MeshFlat mMesh;
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private DistortedEffects mEffects;
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private DistortedTexture mTexture;
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private DistortedFramebuffer mScreen;
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private boolean mRefresh;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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MovingEffectsRenderer(MovingEffectsSurfaceView v)
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{
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mPaint = new Paint();
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mPaint.setAntiAlias(true);
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mPaint.setFakeBoldText(true);
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mPaint.setStyle(Style.FILL);
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mView = v;
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mEffects= new DistortedEffects();
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mScreen = new DistortedFramebuffer(0);
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mRefresh= true;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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private void drawBackground()
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{
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int NW, NH;
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if( texH<texW )
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{
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NH = 10;
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NW = NH*texW/texH;
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}
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else
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{
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NW = 10;
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NH = NW*texH/texW;
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}
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mPaint.setColor(0xff008800);
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mCanvas.drawRect(0, 0, texW, texH, mPaint);
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mPaint.setColor(0xffffffff);
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for(int i=0; i<=NH ; i++ ) mCanvas.drawRect( 0, texH*i/NH -2, texW, texH*i/NH + 2, mPaint);
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for(int i=0; i<=NW ; i++ ) mCanvas.drawRect( texW*i/NW - 2, 0, texW*i/NW + 2, texH, mPaint);
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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DistortedEffects getEffects()
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{
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return mEffects;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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void setRefresh()
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{
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mRefresh = true;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void onSurfaceCreated(GL10 glUnused, EGLConfig config)
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{
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try
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{
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Distorted.onCreate(mView.getContext());
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}
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catch(Exception ex)
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{
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android.util.Log.e("Renderer", ex.getMessage() );
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}
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void onSurfaceChanged(GL10 glUnused, int width, int height)
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{
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texW = width;
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texH = height;
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mMesh = new MeshFlat(80,80*texH/texW);
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mTexture = new DistortedTexture(texW,texH);
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mBitmap = Bitmap.createBitmap(texW,texH, Bitmap.Config.ARGB_8888);
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mCanvas = new Canvas(mBitmap);
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mScreen.resize(texW, texH);
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mView.onSurfaceChanged(texW,texH);
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mRefresh = true;
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public void onDrawFrame(GL10 glUnused)
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{
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GLES20.glClear(GLES20.GL_COLOR_BUFFER_BIT | GLES20.GL_DEPTH_BUFFER_BIT);
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long time = System.currentTimeMillis();
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if (mView.getCurrentEffect() == MovingEffectsSurfaceView.EFFECT_POINTS && mRefresh )
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{
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drawBackground();
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mView.drawCurve(mCanvas,time);
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mTexture.setTexture(mBitmap);
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mRefresh = false;
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}
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mScreen.renderTo(mTexture, mMesh, mEffects, time );
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}
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///////////////////////////////////////////////////////////////////////////////////////////////////
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}
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