60 lines
1.4 KiB
C
60 lines
1.4 KiB
C
#ifndef FONT_H
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#define FONT_H
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#include "render.h"
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#include "HandmadeMath.h"
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#include <quickjs.h>
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#include "texture.h"
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#include <SDL3/SDL.h>
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typedef enum {
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LEFT,
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RIGHT,
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CENTER,
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JUSTIFY
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} ALIGN;
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struct text_vert {
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HMM_Vec2 pos;
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HMM_Vec2 uv;
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HMM_Vec4 color;
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};
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typedef struct text_vert text_vert;
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struct shader;
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struct window;
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/// Holds all state information relevant to a character as loaded using FreeType
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struct Character {
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float Advance; // Horizontal offset to advance to next glyph
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float leftbearing; // X offset from cursor to render at
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float topbearing; // Y offset from cursor to render at
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struct rect rect; // the rect on the font image to render from, uv coordinates
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HMM_Vec2 size; // The pixel size of this letter
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};
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// text data
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struct sFont {
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uint32_t height; /* in pixels */
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float ascent; // pixels
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float descent; // pixels
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float linegap; //pixels
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struct Character Characters[256];
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SDL_Surface *surface;
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};
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typedef struct sFont font;
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typedef struct Character glyph;
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void font_free(JSRuntime *rt,font *f);
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struct sFont *MakeFont(void *data, size_t len, int height);
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struct text_vert *renderText(const char *text, HMM_Vec2 pos, font *f, float scale, struct rgba color, float wrap);
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HMM_Vec2 measure_text(const char *text, font *f, float scale, float letterSpacing, float wrap);
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// Flushes all letters from renderText calls into the provided buffer
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int text_flush();
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#endif
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