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added library schrift

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This commit is contained in:
Alessandro Mauri 2024-12-06 22:03:35 +01:00
parent f86a360f39
commit dbe70eb4f4
11 changed files with 141 additions and 1 deletions
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56
lib/libschrift.c3l/libschrift.c3 Normal file
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module schrift;
def SftFont = void*;
def SftUChar = uint;
def SftGlyph = uint;
struct Sft
{
SftFont font;
double xScale;
double yScale;
double xOffset;
double yOffset;
int flags;
}
struct SftLMetrics
{
double ascender;
double descender;
double lineGap;
}
struct SftGMetrics
{
double advanceWidth;
double leftSideBearing;
int yOffset;
int minWidth;
int minHeight;
}
struct SftKerning
{
double xShift;
double yShift;
}
struct SftImage
{
void *pixels;
int width;
int height;
}
extern fn char* sft_version() @extern("sft_version");
extern fn SftFont sft_loadmem(void* mem, usz size) @extern("sft_loadmem");
extern fn SftFont sft_loadfile(char* filename) @extern("sft_loadfile");
extern fn void sft_freefont(SftFont font) @extern("sft_freefont");
extern fn int sft_lmetrics(Sft* sft, SftLMetrics* metrics) @extern("sft_lmetrics");
extern fn int sft_lookup(Sft* sft, SftUChar codepoint, SftGlyph* glyph) @extern("sft_lookup");
extern fn int sft_gmetrics(Sft* sft, SftGlyph glyph, SftGMetrics* metrics) @extern("sft_gmetrics");
extern fn int sft_kerning(Sft* sft, SftGlyph leftGlyph, SftGlyph rightGlyph, SftKerning* kerning) @extern("sft_kerning");
extern fn int sft_render(Sft* sft, SftGlyph glyph, SftImage image) @extern("sft_render");