72 lines
2.5 KiB
C
72 lines
2.5 KiB
C
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#pragma once
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#include "../../main.h"
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#include "../graphics.h"
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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// XCursor file format - see man page xcursor(3)
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// https://www.x.org/releases/X11R7.7/doc/man/man3/Xcursor.3.xhtml
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// Header
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typedef struct {
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char magic[4]; // Magic string "Xcur"
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uint32_t headerSize; // Size of the header (16)
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uint32_t version; // File version number
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uint32_t numTOC; // Number of entries in the Table of Contents
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} PACKED xcursor_Header;
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// Table of Content Entry
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typedef struct {
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uint32_t type; // Entry chunk type (0xfffe0001 = Comment, 0xfffd0002 = Image)
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uint32_t subtype; // Type specific Subtype, size(width=height) for images
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uint32_t offset; // Absolute byte position in the file
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} PACKED xcursor_TOCEntry;
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#define XCURSOR_CHUNKTYPE_COMMENT 0xfffe0001u
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#define XCURSOR_CHUNKTYPE_IMAGE 0xfffd0002u
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// Common parts in different types of Chunk Headers
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typedef struct {
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uint32_t headerSize; // Size of the header
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uint32_t type; // Type of the Chunk, matches the Entry Type in the TOC
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uint32_t subtype; // Type specific subtype
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uint32_t version; // Version number of the chunk type
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} PACKED xcursor_ChunkHeader;
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#define XCURSOR_COMMENT_SUBTYPE_COPYRIGHT 0x00000001u
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#define XCURSOR_COMMENT_SUBTYPE_LICENSE 0x00000002u
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#define XCURSOR_COMMENT_SUBTYPE_OTHER 0x00000003u
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// Chunk Header for type Comment
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typedef struct {
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uint32_t headerSize; // Size of the header
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uint32_t type; // Type of the Chunk, matches the Entry Type in the TOC
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uint32_t subtype; // Type specific subtype, Copyright, License or Other
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uint32_t version; // Version number of the chunk type, =1
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uint32_t length; // Length in bytes of the UTF-8 string
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char string[1]; // The UTF-8 string, spanning the rest of the chunk
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} PACKED xcursor_ChunkHeader_Comment;
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typedef struct {
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uint32_t headerSize; // Size of the header
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uint32_t type; // Type of the Chunk, matches the Entry Type in the TOC
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uint32_t subtype; // Type specific subtype, Copyright, License or Other
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uint32_t version; // Version number of the chunk type, =1
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uint32_t width, height; // Width/Height, <=0x7fff
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uint32_t xhot, yhot; // X/Y hotpoint, <=Width/Height
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uint32_t delay; // Delay between animation frames in milliseconds
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HelosGraphics_Color pixels[1]; // Packed ARGB little-endian format pixels, with A at the highest byte (BGRA in byte order)
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} PACKED xcursor_ChunkHeader_Image;
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#ifdef __cplusplus
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}
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#endif
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