IM: Special Effects From IM - An Imaging Tool previous page next page Special Effects [Image Processing] Detailed Description Operations to change image appearance. See im_process_pon.h Functions void imProcessPixelate (const imImage *src_image, imImage *dst_image, int box_size) void imProcessPosterize (const imImage *src_image, imImage *dst_image, int level) Function Documentation void imProcessPixelate ( const imImage * src_image, imImage * dst_image, int box_size ) Generates a zoom in effect averaging colors inside a square region. Operates only on IM_BYTE images. void imProcessPosterize ( const imImage * src_image, imImage * dst_image, int level ) A simple Posterize effect. It reduces the number of colors in the image eliminating less significant bit planes. Can have 1 to 7 levels. See imProcessBitMask. Image data type must be integer. previous page start next page