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resize.c, one of the assignments in Problem Set 4, will require you to scale a bitmap image by a certain factor (making it 2, 3, or n times as large).

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pset4 resize.c - general struggles

int scan_padding = (4 - (bi_infile.biWidth * sizeof(RGBTRIPLE)) % 4) % 4; // iterate over infile's scanlines for (int i = 0, biHeight = abs(bi_infile.biHeight); i < biHeight; i++) { // vertical resize
Andrew Smith's user avatar