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2014/10/16 ¤W¤È 08:24:39
android Programming Glossary: source.getheightusing hue image effect with a seekbar http://stackoverflow.com/questions/12430899/using-hue-image-effect-with-a-seekbar 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..
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 new Matrix matrix.setRotate mRotation source.getWidth 2 source.getHeight 2 canvas.drawBitmap source matrix new Paint If you check the..
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 1.0f 1.0f matrix.postTranslate source.getWidth source.getHeight 2 canvas.drawBitmap source matrix new Paint Paint paint2 new.. shader new LinearGradient source.getWidth 3 2 source.getHeight source.getWidth 3 2 source.getHeight 2 0x7FFFFFFF 0x00FFFFFF.. 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 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..
How to crop Bitmap Center like imageview? [duplicate] http://stackoverflow.com/questions/8112715/how-to-crop-bitmap-center-like-imageview newWidth int sourceWidth source.getWidth int sourceHeight source.getHeight Compute the scaling factors to fit the new height and width..
using hue image effect with a seekbar http://stackoverflow.com/questions/12430899/using-hue-image-effect-with-a-seekbar .. 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 pixels 0 width 0 0 width..
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 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 java android..
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 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 source.getWidth.. 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 paint2.setXfermode.. 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 paint2.setXfermode new PorterDuffXfermode android.graphics.PorterDuff.Mode.DST_IN..
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 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 is returned But if your bitmap..
How to crop Bitmap Center like imageview? [duplicate] http://stackoverflow.com/questions/8112715/how-to-crop-bitmap-center-like-imageview 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 final image the final scaling will..
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