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2014/10/16 ¤W¤È 08:21:31
android Programming Glossary: porterduffMaking Overlaid image transparent on touch in Android? http://stackoverflow.com/questions/3021401/making-overlaid-image-transparent-on-touch-in-android view share improve this question You need to set the PorterDuff mode on a Paint object mPaint.setXfermode new PorterDuffXfermode.. PorterDuff mode on a Paint object mPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.SRC and draw with Color.TRANSPARENT.. a Paint object mPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.SRC and draw with Color.TRANSPARENT Also see this thread..
Erase bitmap parts using PorterDuff mode http://stackoverflow.com/questions/3467334/erase-bitmap-parts-using-porterduff-mode bitmap parts using PorterDuff mode I try to erase parts of a bitmap in my Android application.. eraserPaint.setAlpha 0 eraserPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.DST_IN eraserPaint.setAntiAlias true.. 0 eraserPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.DST_IN eraserPaint.setAntiAlias true @Override public void..
Android: looking for a drawArc() method with inner & outer radius http://stackoverflow.com/questions/3874424/android-looking-for-a-drawarc-method-with-inner-outer-radius question You can paint over the inner area using the PorterDuff xfermode called Clear. This will erase pixels. share improve..
Android: Shader behave different in 'onDraw(canvas)' and 'new Canvas(bitmap)' http://stackoverflow.com/questions/5231260/android-shader-behave-different-in-ondrawcanvas-and-new-canvasbitmap paint2.setShader shader paint2.setXfermode new PorterDuffXfermode android.graphics.PorterDuff.Mode.DST_IN canvas.drawRect.. paint2.setXfermode new PorterDuffXfermode android.graphics.PorterDuff.Mode.DST_IN canvas.drawRect source.getWidth source.getHeight.. paint2.setShader shader paint2.setXfermode new PorterDuffXfermode android.graphics.PorterDuff.Mode.DST_IN canvas2.drawRect..
Android Gauge Animation Question http://stackoverflow.com/questions/6156674/android-gauge-animation-question animation. Here is what i have tried I have tried using PorterDuff but it also clips the gauge in the background not just the white..
Android bitmap mask color, remove color http://stackoverflow.com/questions/6432965/android-bitmap-mask-color-remove-color The specific question is probably better solved using PorterDuff Xfermode like the OP said. start with a Bitmap bmp make a mutable..
Making Overlaid image transparent on touch in Android? http://stackoverflow.com/questions/3021401/making-overlaid-image-transparent-on-touch-in-android Thanks in advance. android image processing android custom view share improve this question You need to set the PorterDuff mode on a Paint object mPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.SRC and draw with Color.TRANSPARENT Also.. view share improve this question You need to set the PorterDuff mode on a Paint object mPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.SRC and draw with Color.TRANSPARENT Also see this thread in the Android developer group http groups.google.com.. this question You need to set the PorterDuff mode on a Paint object mPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.SRC and draw with Color.TRANSPARENT Also see this thread in the Android developer group http groups.google.com group..
Erase bitmap parts using PorterDuff mode http://stackoverflow.com/questions/3467334/erase-bitmap-parts-using-porterduff-mode bitmap parts using PorterDuff mode I try to erase parts of a bitmap in my Android application by using Porter Duff Xfermodes. I have a green background.. bitmapCanvas.drawColor Color.BLUE Set eraser paint properties eraserPaint.setAlpha 0 eraserPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.DST_IN eraserPaint.setAntiAlias true @Override public void onDraw Canvas canvas bitmapCanvas.drawColor.. Color.BLUE Set eraser paint properties eraserPaint.setAlpha 0 eraserPaint.setXfermode new PorterDuffXfermode PorterDuff.Mode.DST_IN eraserPaint.setAntiAlias true @Override public void onDraw Canvas canvas bitmapCanvas.drawColor Color.BLUE bitmapCanvas.drawCircle..
Android: looking for a drawArc() method with inner & outer radius http://stackoverflow.com/questions/3874424/android-looking-for-a-drawarc-method-with-inner-outer-radius
Android: Shader behave different in 'onDraw(canvas)' and 'new Canvas(bitmap)' http://stackoverflow.com/questions/5231260/android-shader-behave-different-in-ondrawcanvas-and-new-canvasbitmap 3 2 source.getHeight 2 0x7FFFFFFF 0x00FFFFFF TileMode.CLAMP paint2.setShader shader paint2.setXfermode new PorterDuffXfermode android.graphics.PorterDuff.Mode.DST_IN canvas.drawRect source.getWidth source.getHeight source.getWidth 2 source.getHeight.. 0x00FFFFFF TileMode.CLAMP paint2.setShader shader paint2.setXfermode new PorterDuffXfermode android.graphics.PorterDuff.Mode.DST_IN canvas.drawRect source.getWidth source.getHeight source.getWidth 2 source.getHeight 2 paint2 3rd Column Bitmap.. 1 2 source.getHeight 2 0x7FFFFFFF 0x00FFFFFF TileMode.CLAMP paint2.setShader shader paint2.setXfermode new PorterDuffXfermode android.graphics.PorterDuff.Mode.DST_IN canvas2.drawRect 0 source.getHeight source.getWidth source.getHeight 2..
Android Gauge Animation Question http://stackoverflow.com/questions/6156674/android-gauge-animation-question as follows I have the user input working i need help with the animation. Here is what i have tried I have tried using PorterDuff but it also clips the gauge in the background not just the white bar I've tried splitting the image into little bitmaps..
Android bitmap mask color, remove color http://stackoverflow.com/questions/6432965/android-bitmap-mask-color-remove-color answers the question title of removing a color from a bitmap. The specific question is probably better solved using PorterDuff Xfermode like the OP said. start with a Bitmap bmp make a mutable copy and a canvas from this mutable bitmap Bitmap mb bmp.copy..
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