Sha256: fed6320bce43b5a9ccf5462b277d030284f5b4a1e552796c99d7abed2af20293
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Size: 909 Bytes
Versions: 12
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Stored size: 909 Bytes
Contents
#ifndef OILY_PNG_PNG_ENCODING_H #define OILY_PNG_PNG_ENCODING_H #define FILTER_BYTE(byte, adjustment) byte = (BYTE) (((byte) - (adjustment)) & 0x000000ff) #define ENCODING_PALETTE_INDEX(encoding_palette, pixels, width, y, x) (((x) < (width)) ? ((BYTE) NUM2UINT(rb_hash_aref(encoding_palette, rb_ary_entry(pixels, (y) * (width) + (x))))) : 0) typedef void(*scanline_encoder_func)(BYTE*, VALUE, long, long, VALUE); /* Encodes an image and append it to the stream. A normal PNG will only have one pass and call this method once, while interlaced images are split up in 7 distinct images. This method will be called for every one of these images, reusing the stream. This function should replace ChunkyPNG::Canvas::PNGEncoding.encode_png_image_pass_to_stream */ VALUE oily_png_encode_png_image_pass_to_stream(VALUE self, VALUE stream, VALUE color_mode, VALUE bit_depth, VALUE filtering); #endif
Version data entries
12 entries across 12 versions & 2 rubygems