Created
March 7, 2011 17:25
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Android: rotate a bitmap
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public Bitmap rotateBitmap(Bitmap original, float degrees) { | |
int width = original.getWidth(); | |
int height = original.getHeight(); | |
Matrix matrix = new Matrix(); | |
matrix.preRotate(degrees); | |
Bitmap rotatedBitmap = Bitmap.createBitmap(original, 0, 0, width, height, matrix, true); | |
Canvas canvas = new Canvas(rotatedBitmap); | |
canvas.drawBitmap(original, 5.0f, 0.0f, null); | |
return rotatedBitmap; | |
} |
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To understand, this piece of code will rotate my photo to the right position or I choose how much and where it will rotate. Thank you.