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png

0.2.1
0.2.1 0.1.1

A pure Erlang library for creating PNG images. It can currently create 8 and 16 bit RGB, RGB with alpha, indexed, grayscale and grayscale with alpha images.

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png include png.hrl
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include/png.hrl 



-define(PNG_INDEXED_8, {indexed, 8}).

-define(PNG_GRAYSCALE_8, {grayscale, 8}).

-define(PNG_GRAYSCALE_16, {grayscale, 16}).

-define(PNG_GRAYSCALE_ALPHA_8, {grayscale_alpha, 8}).

-define(PNG_GRAYSCALE_ALPHA_16, {grayscale_alpha, 16}).

-define(PNG_RGB_8, {rgb, 8}).

-define(PNG_RGB_16, {rgb, 16}).

-define(PNG_RGBA_8, {rgba, 8}).

-define(PNG_RGBA_16, {rgba, 16}).



-record(png_config, {size = {0, 0},

                     mode = ?PNG_GRAYSCALE_8,

                     compression_method = 0,

                     filter_method = 0,

                     interlace_method = 0}).