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2014/10/16 ¤W¤È 08:21:24
android Programming Glossary: pdrawPorterduffXfermode: Clear a section of a bitmap http://stackoverflow.com/questions/11337679/porterduffxfermode-clear-a-section-of-a-bitmap setContentView rl public class Drawing extends View Paint pDraw null Bitmap bm null public Drawing Context ct super ct Generate.. mnt sdcard Pictures test.jpg Generate array of paints pDraw new Paint 16 for int i 0 i pDraw.length i pDraw i new Paint.. Generate array of paints pDraw new Paint 16 for int i 0 i pDraw.length i pDraw i new Paint pDraw i .setARGB 255 255 255 0..
PorterduffXfermode: Clear a section of a bitmap http://stackoverflow.com/questions/11337679/porterduffxfermode-clear-a-section-of-a-bitmap 0 0 255 rl.addView d Show the layout with the test view setContentView rl public class Drawing extends View Paint pDraw null Bitmap bm null public Drawing Context ct super ct Generate bitmap used for background bm BitmapFactory.decodeFile.. Generate bitmap used for background bm BitmapFactory.decodeFile mnt sdcard Pictures test.jpg Generate array of paints pDraw new Paint 16 for int i 0 i pDraw.length i pDraw i new Paint pDraw i .setARGB 255 255 255 0 pDraw i .setStrokeWidth 20.. bm BitmapFactory.decodeFile mnt sdcard Pictures test.jpg Generate array of paints pDraw new Paint 16 for int i 0 i pDraw.length i pDraw i new Paint pDraw i .setARGB 255 255 255 0 pDraw i .setStrokeWidth 20 pDraw i .setStyle Style.FILL ..
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