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This would eliminate the need to test for pixels that are within the image boundaries. … Every time you feel compelled to add a comment like Make a copy of image, consider factoring the applicable code into a properly named function, e.g. make_copy_of_image(....). …

Consider #define SUPPORTED_BF_TYPE 0x4d42 When allocating an image with RGBTRIPLE(*image)[*width] = calloc(*height, *width * sizeof (RGBTRIPLE)); make up your mind. …

A P3 magic number indicates a plain PPM, which has a serious limitation: No line should be longer than 70 characters. Your code obviously violates it. I recommend to make it into raw PPM (magic …

There are numerous problems with the code. First of all, fread never returns EOF (which is -1). The loop should end when it reads less than 3 bytes. Second, max_count is index, not a color value. I p …

Magic numbers What is the significance of 18, 19, 22 and 23? They must be defined in terms of bitmap file header and bitmap info header Correctness According to a spec, bitmap width and bitmap hei …

Few things surely do not look right. ~CBMPTimer tries to delete an int. Good luck. It also doesn't stop the thread. Having no BMPWriter.h to review I may only suppose what log10 is supposed to do. I …

Use target- and pattern-specific variables: $(ldpi_dir)/btn_%.png : GEOMETRY := 24x $(mdpi_dir)/btn_%.png : GEOMETRY := 36x $(hdpi_dir)/btn_%.png : GEOMETRY := 72x and similar definitions for launc …

Computing rowsize inside bitfox_find_xy (that is, for each and every pixel)seems wasteful: row size never changes during the bitfox_color_replace_data invocation, and shall only be computed once.

You chose to iterate source pixels. This is a standard mistake leading to loss of quality. The problem is twofold: some source pixel may land on the same destination pixel, and some destination pixels …

OTOH allocating the whole image may present a problem if the image is large enough. I recommend to allocate 3 * width + overhead, and reuse it. …

Also, the only sure way to determine that the image is completed is to look at SOF bit. The address setup functionality is shared between ReadRegister and WriteRegister. … While reading image into the static buffer is a technically valid decision, I recommend to read it into the caller provided buffer. …

defining RGB as typedef struct { unsigned char channel[3]; } RGB; and writing the else clause as for (int color = 0; color < 3; i++) { output[i].channel[color] = median_filter_channel(image …

First of all, I don't see why do_rotateImageInplace shall be recursive. And indeed, it is a tail recursive, and as such is trivially converted into a loop. Second, the comments are seriously misleadi …