life02

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 1             BitmapDrawable icon= oldIcon; 
 2             final Bitmap.Config c = icon.getOpacity() != PixelFormat.OPAQUE ?
 3             Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565;
 4             int sIconWidth,sIconHeight ;
 5             sIconWidth = sIconHeight = (int) context.getResources().getDimension(R.dimen.img_width);
 6             
 7             int width = sIconWidth;
 8             int height = sIconHeight;
 9 
10             Bitmap bmp=BitmapFactory.decodeResource(context.getResources(), R.drawable.tb_25);  
11             float scale = 1.0f;
12             int iconWidth = icon.getIntrinsicWidth();
13             int iconHeight = icon.getIntrinsicHeight();
14             
15 //            Log.e("12", "BitmapDrawable:iconwidth"+iconWidth);
16 //            Log.e("12", "BitmapDrawable:iconHeight"+iconHeight);
17 //            Log.e("12", "BitmapDrawable:width"+width);
18 //            Log.e("12", "BitmapDrawable:height"+height);
19             final Canvas canvas = new Canvas();
20             Rect sOldBounds = new Rect();
21             if (width > 0 && height > 0) {
22 //                if (width < iconWidth || height < iconHeight || scale != 1.0f) {
23 
24                     final float ratio = (float) iconWidth / iconHeight;
25 
26                     if (iconWidth > iconHeight) {
27                         height = (int) (width / ratio);
28                     } else if (iconHeight > iconWidth) {
29                         width = (int) (height * ratio);
30                     }
31 
32                     final Bitmap thumb = Bitmap.createBitmap(sIconWidth, sIconHeight, c);
33                     canvas.setBitmap(thumb);
34                     sOldBounds.set(icon.getBounds());
35                     final int x = (sIconWidth - width) / 2;
36                     final int y = (sIconHeight - height) / 2;
37                     icon.setBounds(x, y, x + width, y + height);
38                     
39                     canvas.drawBitmap(bmp, new Matrix(), null);
40                     icon.draw(canvas);
41                     icon.setBounds(sOldBounds);
42                     icon = new BitmapDrawable(context.getResources(), thumb);
43 
44 //                } else if (iconWidth < width && iconHeight < height) {
45 //
46 //                    final Bitmap.Config c1 = Bitmap.Config.ARGB_8888;
47 //                    final Bitmap thumb = Bitmap.createBitmap(sIconWidth, sIconHeight, c1);
48 //                    canvas.setBitmap(thumb);
49 //                    sOldBounds.set(icon.getBounds());
50 //                    final int x = (width - iconWidth) / 2;
51 //                    final int y = (height - iconHeight) / 2;
52 //                    icon.setBounds(x, y, x + iconWidth, y + iconHeight);
53 //                    canvas.drawBitmap(bmp, new Matrix(), null);
54 //                    icon.draw(canvas);
55 //                    icon.setBounds(sOldBounds);
56 //                    icon = new BitmapDrawable(context.getResources(), thumb);
57 //                    Log.e("12", "iconWidth < widthBitmapDrawable:iconwidth"+iconWidth);
58 //                    Log.e("12", "BitmapDrawable:iconHeight"+iconHeight);
59 //                    Log.e("12", "BitmapDrawable:width"+width);
60 //                    Log.e("12", "BitmapDrawable:height"+height);
61 //                }
62             }
63             return icon;
64         }
posted on 2012-03-14 19:43 life02 阅读(182) 评论(0)  编辑 收藏 引用 所属分类: Android开发

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