雷电芽衣andClaude
c864304695
A layered image editor for Linux and Omarchy, ported from Compositor (github.com/robbietilton/Compositor), whose Swift source is its specification. It reads and writes Compositor's .comp projects. Packages for Ubuntu, Fedora and Arch come from the release workflow; scripts/install/ holds one install script per distribution family, and flake.nix serves NixOS. Co-Authored-By: Claude <noreply@anthropic.com>
11 lines
632 B
C
11 lines
632 B
C
#ifndef BrushPixels_h
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#define BrushPixels_h
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#include <stdint.h>
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#include <stddef.h>
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// Half-open bounds of nonzero alpha in premultiplied RGBA. Empty returns all zero.
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void brush_alpha_bounds(const uint8_t *bytes, size_t width, size_t height, size_t stride, size_t bounds[4]);
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void layer_extract_alpha(const uint8_t *rgba, size_t rgbaStride, uint8_t *gray, size_t grayStride, size_t width, size_t height);
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void layer_unpremultiply_opaque(uint8_t *rgba, size_t stride, size_t width, size_t height);
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void layer_restore_alpha(uint8_t *rgba, size_t stride, const uint8_t *alpha, size_t alphaStride, size_t width, size_t height);
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#endif
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