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PatternFilterBilinearRgba

agg_rust::pattern_filters_rgba

Struct PatternFilterBilinearRgba 

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pub struct PatternFilterBilinearRgba;
Expand description

Bilinear pattern filter.

Port of C++ pattern_filter_bilinear_rgba<rgba8>. Interpolates between 4 neighboring pixels for smooth pattern rendering.

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impl PatternFilter for PatternFilterBilinearRgba

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fn dilation() -> u32

Number of extra pixels needed on each side of the pattern.
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fn pixel_low_res(buf: &[Vec<Rgba8>], x: i32, y: i32) -> Rgba8

Get pixel at integer coordinates.
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fn pixel_high_res(buf: &[Vec<Rgba8>], p: &mut Rgba8, x: i32, y: i32)

Get pixel at subpixel coordinates (shifted by LINE_SUBPIXEL_SHIFT). Writes the result into p.

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