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2014/10/16 ¤W¤È 08:21:32
android Programming Glossary: porterduff.mode.clearAndroid Paint PorterDuff.Mode.CLEAR http://stackoverflow.com/questions/10494442/android-paint-porterduff-mode-clear Paint PorterDuff.Mode.CLEAR I'm working on application which is drawing on Canvas similar.. Paint demo from Android SDK. My problem is when I'm using PorterDuff.Mode.CLEAR . When drawing and Canvas and if I try to erase something it's.. ERASE_MENU_ID mPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR return true And how I'm saving the image Calendar currentDate..
Android - Crop an image from multipoints http://stackoverflow.com/questions/11579645/android-crop-an-image-from-multipoints paint new Paint paint.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR Draw the path canvas.drawPath path paint imageView.setImageBitmap..
Punch a hole in a rectangle overlay with HW acceleration enabled on View http://stackoverflow.com/questions/13528550/punch-a-hole-in-a-rectangle-overlay-with-hw-acceleration-enabled-on-view 0xFFFFFFFF eraser.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR This is obviously slow a new Bitmap the size of the view is..
How to get total area covered while drawing path on canvas android? http://stackoverflow.com/questions/14357246/how-to-get-total-area-covered-while-drawing-path-on-canvas-android 50 mDrawPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR BlurMaskFilter mBlur new BlurMaskFilter 10 BlurMaskFilter.Blur.NORMAL..
Draw in Canvas by finger android http://stackoverflow.com/questions/16650419/draw-in-canvas-by-finger-android ERASE_MENU_ID mPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR mPaint.setAlpha 0x80 return true case SRCATOP_MENU_ID mPaint.setXfermode..
Android Null Exception on Calling function http://stackoverflow.com/questions/17781069/android-null-exception-on-calling-function mPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR return true case SRCATOP_MENU_ID mPaint.setXfermode new PorterDuffXfermode..
Clearing canvas with Canvas.drawColor() http://stackoverflow.com/questions/4650755/clearing-canvas-with-canvas-drawcolor i've tried drawColor 0 drawColor Color.BLACK c.drawColor 0 PorterDuff.Mode.CLEAR and none of the above works. as such i had to post this for.. getResources bgnd c.drawColor 0 PorterDuff.Mode.CLEAR c.drawBitmap b 0 0 null switching false else Bitmap b BitmapFactory.decodeResource..
How do the pieces of Android's (2D) Canvas drawing pipeline fit together? http://stackoverflow.com/questions/5762727/how-do-the-pieces-of-androids-2d-canvas-drawing-pipeline-fit-together eraser new Paint eraser.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR canvas.drawOval rectF eraser This erases an oval. Before I noticed.. eraser new Paint eraser.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR canvas.drawOval rectF eraser This erases an oval. Before I noticed..
http://stackoverflow.com/questions/6464123/how-to-crop-image-in-android c.clipPath p Region.Op.DIFFERENCE c.drawColor 0x00000000 PorterDuff.Mode.CLEAR If the output is required to a specific size then scale or fill..
Android transparent canvas (surfaceview) http://stackoverflow.com/questions/7293961/android-transparent-canvas-surfaceview
Android Paint PorterDuff.Mode.CLEAR http://stackoverflow.com/questions/10494442/android-paint-porterduff-mode-clear Paint PorterDuff.Mode.CLEAR I'm working on application which is drawing on Canvas similar to Finger Paint demo from Android SDK. My problem is when.. on application which is drawing on Canvas similar to Finger Paint demo from Android SDK. My problem is when I'm using PorterDuff.Mode.CLEAR . When drawing and Canvas and if I try to erase something it's working fine. But if I try to save my image as PNG file the.. 0 0 mBitmapPaint canvas.drawPath mPath mPaint Eraser case ERASE_MENU_ID mPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR return true And how I'm saving the image Calendar currentDate Calendar.getInstance SimpleDateFormat formatter new SimpleDateFormat..
Android - Crop an image from multipoints http://stackoverflow.com/questions/11579645/android-crop-an-image-from-multipoints path.moveTo 100 0 path.moveTo 0 0 Paint with Xfermode Paint paint new Paint paint.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR Draw the path canvas.drawPath path paint imageView.setImageBitmap croppedBitmap android android layout android intent android..
Punch a hole in a rectangle overlay with HW acceleration enabled on View http://stackoverflow.com/questions/13528550/punch-a-hole-in-a-rectangle-overlay-with-hw-acceleration-enabled-on-view null Where eraser is created as eraser new Paint eraser.setColor 0xFFFFFFFF eraser.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR This is obviously slow a new Bitmap the size of the view is created every drawing call. Method 3 HW Acceleration Fast does..
How to get total area covered while drawing path on canvas android? http://stackoverflow.com/questions/14357246/how-to-get-total-area-covered-while-drawing-path-on-canvas-android mDrawPaint.setStrokeCap Paint.Cap.ROUND mDrawPaint.setStrokeWidth 50 mDrawPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR BlurMaskFilter mBlur new BlurMaskFilter 10 BlurMaskFilter.Blur.NORMAL mDrawPaint.setMaskFilter mBlur private void doDraw..
Draw in Canvas by finger android http://stackoverflow.com/questions/16650419/draw-in-canvas-by-finger-android mBlur else mPaint.setMaskFilter null return true case ERASE_MENU_ID mPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR mPaint.setAlpha 0x80 return true case SRCATOP_MENU_ID mPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.SRC_ATOP..
Android Null Exception on Calling function http://stackoverflow.com/questions/17781069/android-null-exception-on-calling-function mBlur else mPaint.setMaskFilter null return true case ERASE_MENU_ID mPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR return true case SRCATOP_MENU_ID mPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.SRC_ATOP mPaint.setAlpha..
Clearing canvas with Canvas.drawColor() http://stackoverflow.com/questions/4650755/clearing-canvas-with-canvas-drawcolor before drawing the new image but the old image persists. i've tried drawColor 0 drawColor Color.BLACK c.drawColor 0 PorterDuff.Mode.CLEAR and none of the above works. as such i had to post this for review from more experienced minds than mine. the actual code.. protected void onDraw Canvas c if switching true Bitmap b BitmapFactory.decodeResource getResources bgnd c.drawColor 0 PorterDuff.Mode.CLEAR c.drawBitmap b 0 0 null switching false else Bitmap b BitmapFactory.decodeResource getResources bgnd c.drawBitmap b 0 0..
How do the pieces of Android's (2D) Canvas drawing pipeline fit together? http://stackoverflow.com/questions/5762727/how-do-the-pieces-of-androids-2d-canvas-drawing-pipeline-fit-together by the fact that one can do something like this Paint eraser new Paint eraser.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR canvas.drawOval rectF eraser This erases an oval. Before I noticed this my mental model was that drawing to a canvas conceptually.. by the fact that one can do something like this Paint eraser new Paint eraser.setXfermode new PorterDuffXfermode PorterDuff.Mode.CLEAR canvas.drawOval rectF eraser This erases an oval. Before I noticed this my mental model was that drawing to a canvas conceptually..
http://stackoverflow.com/questions/6464123/how-to-crop-image-in-android p.addCircle width 2F height 2F width 2F Path.Direction.CW c.clipPath p Region.Op.DIFFERENCE c.drawColor 0x00000000 PorterDuff.Mode.CLEAR If the output is required to a specific size then scale or fill if mOutputX 0 mOutputY 0 if mScale Scale the image to the..
Android transparent canvas (surfaceview) http://stackoverflow.com/questions/7293961/android-transparent-canvas-surfaceview
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