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This commit is contained in:
Alessandro Mauri 2023-02-12 20:38:06 +01:00
parent 5018ccbbb0
commit 7552d2fa2a
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GPG key ID: 2B7BF9531FF03BE8
16 changed files with 3719 additions and 10 deletions
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18
text_rendering/font.c
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@ -4,7 +4,8 @@
#include <grapheme.h>
#include "stb_truetype.h"
#include "msdf_c/stb_truetype.h"
#include "msdf_c/msdf.h"
#include "util.h"
#include "font.h"
@ -20,9 +21,8 @@
struct font_atlas {
unsigned int glyphs, width, height;
unsigned int glyphs;
unsigned char *atlas;
unsigned int glyph_max_w, glyph_max_h;
struct {
stbtt_fontinfo info;
@ -33,6 +33,10 @@ struct font_atlas {
};
const unsigned int glyph_w = 32;
const unsigned int glyph_h = 32;
// loads a font into memory, storing all the ASCII characters in the atlas
int load_font(struct font_atlas *atlas, const char *path, int height)
{
@ -49,10 +53,10 @@ int load_font(struct font_atlas *atlas, const char *path, int height)
stbtt_GetFontBoundingBox(&(atlas->stb.info), &x0, &y0, &x1, &y1);
baseline = atlas->stb.scale * -y0;
atlas->glyph_max_w = (atlas->stb.scale*x1) - (atlas->stb.scale*x0);
atlas->glyph_max_h = (baseline+atlas->stb.scale*y1) - (baseline+atlas->stb.scale*y0);
atlas->atlas = emalloc(atlas->glyph_max_w*atlas->glyph_max_h*CACHE_SIZE);
//atlas->glyph_max_w = (atlas->stb.scale*x1) - (atlas->stb.scale*x0);
//atlas->glyph_max_h = (baseline+atlas->stb.scale*y1) - (baseline+atlas->stb.scale*y0);
//atlas->atlas = emalloc(atlas->glyph_max_w*atlas->glyph_max_h*CACHE_SIZE);
atlas->atlas
return 0;
}