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examples / src / main / java / org / distorted / examples / scratchpad / ScratchpadRenderer.java @ a8c3ada7

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package org.distorted.examples.scratchpad;
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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.DistortedBitmap;
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import org.distorted.library.Distorted;
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import org.distorted.library.EffectTypes;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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public class ScratchpadRenderer implements GLSurfaceView.Renderer 
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   {  
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   public static final int NUMLINES = 10;
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   public static final int BWID = 300;
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   public static final int BHEI = 400;
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   private GLSurfaceView mView;
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   public static DistortedBitmap mBackground;
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   private Paint mPaint;
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   private int texWidth, texHeight;
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///////////////////////////////////////////////////////////////////////////////////////////////////
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   public ScratchpadRenderer(GLSurfaceView 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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     texWidth = BWID;
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     texHeight= BHEI;
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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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     mBackground = new DistortedBitmap(texWidth,texHeight, 80);
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     Bitmap bitmap = Bitmap.createBitmap(texWidth,texHeight, Bitmap.Config.ARGB_8888);
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     Canvas canvas = new Canvas(bitmap);  
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     mPaint.setColor(0xff008800);
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     canvas.drawRect(0, 0, texWidth, texHeight, mPaint);
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     mPaint.setColor(0xffffffff);
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     for(int i=0; i<=NUMLINES ; i++ )
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       {
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       canvas.drawRect(texWidth*i/NUMLINES - 1,                       0,  texWidth*i/NUMLINES + 1,  texHeight               , mPaint);
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       canvas.drawRect(                      0, texHeight*i/NUMLINES -1,  texWidth               ,  texHeight*i/NUMLINES + 1, mPaint);  
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       }
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     mBackground.setBitmap(bitmap);
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     try
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       {
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       Distorted.onSurfaceCreated(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("Scratchpad", 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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     mBackground.abortEffects(EffectTypes.MATRIX);
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     mBackground.scale((float)width/texWidth,(float)height/texHeight,1);
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     Distorted.onSurfaceChanged(width,height);
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     ScratchpadSurfaceView.setScreenSize(width,height);     
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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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     mBackground.draw(System.currentTimeMillis());
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     }
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///////////////////////////////////////////////////////////////////////////////////////////////////
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}