module PNGUtil::Scanline

Extended Modules

Defined in:

png_util/scanline.cr

Instance Method Summary

Instance Method Detail

def decode_grayscale(scanline, canvas, y, bit_depth) #

We don't need to care about invalid bit depths here, because they are validated before


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def decode_grayscale_1(scanline, canvas, y) #

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def decode_grayscale_16(scanline, canvas, y) #

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def decode_grayscale_2(scanline, canvas, y) #

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def decode_grayscale_4(scanline, canvas, y) #

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def decode_grayscale_8(scanline, canvas, y) #

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def decode_grayscale_alpha(scanline, canvas, y, bit_depth) #

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def decode_grayscale_alpha_16(scanline, canvas, y) #

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def decode_grayscale_alpha_8(scanline, canvas, y) #

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def decode_palette(scanline, canvas, y, palette, bit_depth) #

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def decode_palette_1(scanline, canvas, y, palette) #

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def decode_palette_2(scanline, canvas, y, palette) #

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def decode_palette_4(scanline, canvas, y, palette) #

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def decode_palette_8(scanline, canvas, y, palette) #

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def decode_rgb(scanline, canvas, y, bit_depth) #

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def decode_rgb_16(scanline, canvas, y) #

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def decode_rgb_8(scanline, canvas, y) #

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def decode_rgb_alpha(scanline, canvas, y, bit_depth) #

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def decode_rgb_alpha_16(scanline, canvas, y) #

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def decode_rgb_alpha_8(scanline, canvas, y) #

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