pipi_get_pixels using the tiles system. These functions should
disappear one day, because they're going to leak like crazy.
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hack that will hopefully disappear in the future. The default gamma is
now 2.2 again (sRGB approximation).
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* pipi.h: rename RGBA32 and BGR24 into RGBA_C and BGR_C.
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results with tools that ignore the sRGB gamma.
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colour spaces for a given image. For instance, if pipi_gaussian_blur is
applied to a 32-bpp image, it is automatically converted to gamma-corrected
32-bit floats beforehands, then converted back to normal.
* TODO: clipping, regions of interest, more formats, getpixel macros...
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the image boundaries; instead, return the closest pixel in the image.
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old, they will certainly require some cleanup, eg. pkg-config transitions.
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