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annotate Android/java/org/madbutterfly/MBView.java @ 493:1b6228092a57 Android_Skia

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Java code for MadButterfly JNI. This is Java code that access MadButterfly JNI interface.
author Thinker K.F. Li <thinker@branda.to>
date Thu, 26 Nov 2009 15:02:51 +0800
parents
children 2d7df44e6299
rev   line source
493
1b6228092a57 Java code for MadButterfly JNI.
Thinker K.F. Li <thinker@branda.to>
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1 package org.madbutterfly;
1b6228092a57 Java code for MadButterfly JNI.
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2
1b6228092a57 Java code for MadButterfly JNI.
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3 import android.view.SurfaceView;
1b6228092a57 Java code for MadButterfly JNI.
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4 import android.view.SurfaceHolder;
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5 import android.content.Context;
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6 import android.graphics.Canvas;
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7 import android.graphics.Bitmap;
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8 import android.graphics.Paint;
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9 import android.graphics.Xfermode;
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10 import android.graphics.PorterDuff;
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11 import android.graphics.PorterDuffXfermode;
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12
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13 class MBView extends SurfaceView {
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14 redraw_man rdman;
1b6228092a57 Java code for MadButterfly JNI.
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15 Canvas cr, backend;
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16 Bitmap cr_bmap, backend_bmap;
1b6228092a57 Java code for MadButterfly JNI.
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17 Paint copy_pnt;
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18 int w, h;
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19
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20 public MBView(Context context) {
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21 super(context);
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22 Paint paint;
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23 Xfermode mode;
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24
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25 rdman = null;
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26 cr = null;
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27 backend = null;
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28
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29 mode = new PorterDuffXfermode(PorterDuff.Mode.SRC);
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30 copy_pnt = new Paint();
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31 copy_pnt.setXfermode(mode);
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32 }
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33
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34 public redraw_man get_rdman() {
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35 if(rdman != null)
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36 return rdman;
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37
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38 w = getWidth();
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39 h = getHeight();
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40
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41 cr_bmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
1b6228092a57 Java code for MadButterfly JNI.
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42 cr = new Canvas(cr_bmap);
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43 backend_bmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
1b6228092a57 Java code for MadButterfly JNI.
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44 backend = new Canvas(backend_bmap);
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45
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46 rdman = new redraw_man(cr, backend, this);
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47
1b6228092a57 Java code for MadButterfly JNI.
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48 return rdman;
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49 }
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50
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51 protected void onSizeChanged(int w, int h, int oldw, int oldh) {
1b6228092a57 Java code for MadButterfly JNI.
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52 this.w = w;
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53 this.h = h;
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54 cr_bmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
1b6228092a57 Java code for MadButterfly JNI.
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55 cr.setBitmap(cr_bmap);
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56 backend_bmap = Bitmap.createBitmap(w, h, Bitmap.Config.ARGB_8888);
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57 backend.setBitmap(backend_bmap);
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58 }
1b6228092a57 Java code for MadButterfly JNI.
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59
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60 public void redraw() {
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61 SurfaceHolder holder;
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62 Canvas canvas;
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63
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64 holder = getHolder();
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Thinker K.F. Li <thinker@branda.to>
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65 canvas = holder.lockCanvas();
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66 canvas.drawBitmap(backend_bmap, 0, 0, copy_pnt);
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67 }
1b6228092a57 Java code for MadButterfly JNI.
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68 }