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2014/10/16 ¤W¤È 08:24:39
android Programming Glossary: source.getwidthusing hue image effect with a seekbar http://stackoverflow.com/questions/12430899/using-hue-image-effect-with-a-seekbar Bitmap source int level get image size int width source.getWidth int height source.getHeight int pixels new int width height..
Android: How to rotate a bitmap on a center point http://stackoverflow.com/questions/4166917/android-how-to-rotate-a-bitmap-on-a-center-point Matrix matrix new Matrix matrix.setRotate mRotation source.getWidth 2 source.getHeight 2 canvas.drawBitmap source matrix new Paint..
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 source 0 0 new Paint 2nd Column canvas.drawBitmap source source.getWidth 0 new Paint Reflection Matrix matrix new Matrix matrix.preScale.. new Matrix matrix.preScale 1.0f 1.0f matrix.postTranslate source.getWidth source.getHeight 2 canvas.drawBitmap source matrix new Paint.. paint2 new Paint LinearGradient shader new LinearGradient source.getWidth 3 2 source.getHeight source.getWidth 3 2 source.getHeight 2..
Does “Bitmap.createScaledBitmap” convert an 32 bit image into 24 bit? http://stackoverflow.com/questions/6278992/does-bitmap-createscaledbitmap-convert-an-32-bit-image-into-24-bit check in the method body if source.isMutable x 0 y 0 width source.getWidth height source.getHeight m null m.isIdentity return source Looking..
How to crop Bitmap Center like imageview? [duplicate] http://stackoverflow.com/questions/8112715/how-to-crop-bitmap-center-like-imageview Bitmap source int newHeight int newWidth int sourceWidth source.getWidth int sourceHeight source.getHeight Compute the scaling factors..
using hue image effect with a seekbar http://stackoverflow.com/questions/12430899/using-hue-image-effect-with-a-seekbar hue filter decreases removes .. public static Bitmap applyHueFilter Bitmap source int level get image size int width source.getWidth int height source.getHeight int pixels new int width height float HSV new float 3 get pixel array from source source.getPixels..
Android: How to rotate a bitmap on a center point http://stackoverflow.com/questions/4166917/android-how-to-rotate-a-bitmap-on-a-center-point targetHeight config Canvas canvas new Canvas targetBitmap Matrix matrix new Matrix matrix.setRotate mRotation source.getWidth 2 source.getHeight 2 canvas.drawBitmap source matrix new Paint If you check the following method from ~frameworks base graphics..
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 getResources R.drawable.icon First Column canvas.drawBitmap source 0 0 new Paint 2nd Column canvas.drawBitmap source source.getWidth 0 new Paint Reflection Matrix matrix new Matrix matrix.preScale 1.0f 1.0f matrix.postTranslate source.getWidth source.getHeight.. source source.getWidth 0 new Paint Reflection Matrix matrix new Matrix matrix.preScale 1.0f 1.0f matrix.postTranslate source.getWidth source.getHeight 2 canvas.drawBitmap source matrix new Paint Paint paint2 new Paint LinearGradient shader new LinearGradient.. 2 canvas.drawBitmap source matrix new Paint Paint paint2 new Paint LinearGradient shader new LinearGradient source.getWidth 3 2 source.getHeight source.getWidth 3 2 source.getHeight 2 0x7FFFFFFF 0x00FFFFFF TileMode.CLAMP paint2.setShader shader..
Does “Bitmap.createScaledBitmap” convert an 32 bit image into 24 bit? http://stackoverflow.com/questions/6278992/does-bitmap-createscaledbitmap-convert-an-32-bit-image-into-24-bit should return your unchanged source bitmap due to this check in the method body if source.isMutable x 0 y 0 width source.getWidth height source.getHeight m null m.isIdentity return source Looking at just this it would seem that your original bitmap..
How to crop Bitmap Center like imageview? [duplicate] http://stackoverflow.com/questions/8112715/how-to-crop-bitmap-center-like-imageview resulting Bitmap. Hope it helps public Bitmap scaleCenterCrop Bitmap source int newHeight int newWidth int sourceWidth source.getWidth int sourceHeight source.getHeight Compute the scaling factors to fit the new height and width respectively. To cover the..
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