[PATCH 2/2] gdiplus: Implement GdipBitmapGetHistogram()
Dmitry Timoshkov
dmitry at baikal.ru
Tue Nov 1 07:55:26 CDT 2016
Nikolay Sivov <nsivov at codeweavers.com> wrote:
> + for (x = 0; x < width; x++)
> + for (y = 0; y < height; y++)
> + {
> + ARGB color;
> +
> + GdipBitmapGetPixel(bitmap, x, y, &color);
> + set_histogram_point[format](color, ch0, ch1, ch2, ch3);
> + }
> +
> + return Ok;
> +}
One of the very least things that could be done about this very ineffecient
implementation is to make the width traversing an inner loop.
--
Dmitry.
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