matrix.java

private void scaleMatrix(int screenWidth, int screenHeight) {

    // Title bar height
    int shift = 100;
    int maxWidth = 800;
    int maxHeight = 1280 - shift;
    int height = screenHeight - ((shift * screenHeight) / maxHeight);
    float xDpi = getResources().getDisplayMetrics().xdpi;
    float yDpi = getResources().getDisplayMetrics().xdpi;
    float density = getResources().getDisplayMetrics().density;

    for(int i = 0;i < mSegmentOffsetX.length; ++i) {
        float uniformCoffeeX = BITMAP_RAW_WIDTH / BITMAP_WIDTH;
        mSegmentOffsetX[i] = (mSegmentOffsetX[i] * screenWidth * uniformCoffeeX);
    }
    for(int i = 0;i < mSegmentCoords.length; i += 4) {
//            mSegmentCoords[i + 0] =  (mSegmentCoords[i + 0] * screenWidth * density) / maxWidth;
//            mSegmentCoords[i + 1] = ((mSegmentCoords[i + 1] * height * density) / maxHeight);
//            mSegmentCoords[i + 2] =  (mSegmentCoords[i + 2] * screenWidth * density) / maxWidth;
//            mSegmentCoords[i + 3] = ((mSegmentCoords[i + 3] * height * density) / maxHeight);
        float uniformCoffeeX = BITMAP_RAW_WIDTH / BITMAP_WIDTH;
        float uniformCoffeeY = BITMAP_RAW_HEIGHT / BITMAP_HEIGHT;
        mSegmentCoords[i + 0] =  (mSegmentCoords[i + 0] * screenWidth * uniformCoffeeX);
        mSegmentCoords[i + 1] = ((mSegmentCoords[i + 1] * height * uniformCoffeeY));
        mSegmentCoords[i + 2] =  (mSegmentCoords[i + 2] * screenWidth * uniformCoffeeX);
        mSegmentCoords[i + 3] = ((mSegmentCoords[i + 3] * height * uniformCoffeeY));
        
    }
}