pxl8/src/gfx/pxl8_font.h

#pragma once

#include "pxl8_types.h"

#define PXL8_FONT_FORMAT_INDEXED 0
#define PXL8_FONT_FORMAT_RGBA 1

typedef struct pxl8_glyph {
    u32 codepoint;
    u8 width;
    u8 height;
    u8 format;
    union {
        u8 indexed[64];
        u32 rgba[64];
    } data;
} pxl8_glyph;

typedef struct pxl8_font {
    const pxl8_glyph* glyphs;
    u32 glyph_count;
    u8 default_width;
    u8 default_height;
} pxl8_font;

static const pxl8_glyph pxl8_ascii_glyphs[] = {
    { 32, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
    { 33, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x18, 0x3C, 0x3C, 0x18, 0x18, 0x00, 0x18, 0x00 } } },
    { 34, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x36, 0x36, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
    { 35, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x36, 0x36, 0x7F, 0x36, 0x7F, 0x36, 0x36, 0x00 } } },
    { 36, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x0C, 0x3E, 0x03, 0x1E, 0x30, 0x1F, 0x0C, 0x00 } } },
    { 37, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x63, 0x33, 0x18, 0x0C, 0x66, 0x63, 0x00 } } },
    { 38, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x1C, 0x36, 0x1C, 0x6E, 0x3B, 0x33, 0x6E, 0x00 } } },
    { 39, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x06, 0x06, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00 } } },
    { 40, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x18, 0x0C, 0x06, 0x06, 0x06, 0x0C, 0x18, 0x00 } } },
    { 41, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x06, 0x0C, 0x18, 0x18, 0x18, 0x0C, 0x06, 0x00 } } },
    { 42, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x66, 0x3C, 0xFF, 0x3C, 0x66, 0x00, 0x00 } } },
    { 43, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x0C, 0x0C, 0x3F, 0x0C, 0x0C, 0x00, 0x00 } } },
    { 44, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x06, 0x00 } } },
    { 45, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x00, 0x3F, 0x00, 0x00, 0x00, 0x00 } } },
    { 46, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x0C, 0x0C, 0x00 } } },
    { 47, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x60, 0x30, 0x18, 0x0C, 0x06, 0x03, 0x01, 0x00 } } },
    { 48, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x3E, 0x63, 0x73, 0x7B, 0x6F, 0x67, 0x3E, 0x00 } } },
    { 49, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x0C, 0x0E, 0x0C, 0x0C, 0x0C, 0x0C, 0x3F, 0x00 } } },
    { 50, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x1E, 0x33, 0x30, 0x1C, 0x06, 0x33, 0x3F, 0x00 } } },
    { 51, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x1E, 0x33, 0x30, 0x1C, 0x30, 0x33, 0x1E, 0x00 } } },
    { 52, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x38, 0x3C, 0x36, 0x33, 0x7F, 0x30, 0x78, 0x00 } } },
    { 53, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x3F, 0x03, 0x1F, 0x30, 0x30, 0x33, 0x1E, 0x00 } } },
    { 54, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x1C, 0x06, 0x03, 0x1F, 0x33, 0x33, 0x1E, 0x00 } } },
    { 55, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x3F, 0x33, 0x30, 0x18, 0x0C, 0x0C, 0x0C, 0x00 } } },
    { 56, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x1E, 0x33, 0x33, 0x1E, 0x33, 0x33, 0x1E, 0x00 } } },
    { 57, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x1E, 0x33, 0x33, 0x3E, 0x30, 0x18, 0x0E, 0x00 } } },
    { 58, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x0C, 0x0C, 0x00, 0x00, 0x0C, 0x0C, 0x00 } } },
    { 59, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x0C, 0x0C, 0x00, 0x00, 0x0C, 0x06, 0x00 } } },
    { 60, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x18, 0x0C, 0x06, 0x03, 0x06, 0x0C, 0x18, 0x00 } } },
    { 61, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x3F, 0x00, 0x00, 0x3F, 0x00, 0x00 } } },
    { 62, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x06, 0x0C, 0x18, 0x30, 0x18, 0x0C, 0x06, 0x00 } } },
    { 63, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x1E, 0x33, 0x30, 0x18, 0x0C, 0x00, 0x0C, 0x00 } } },
    { 64, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x3E, 0x63, 0x7B, 0x7B, 0x7B, 0x03, 0x1E, 0x00 } } },
    { 65, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x0C, 0x1E, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x00 } } },
    { 66, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x3F, 0x66, 0x66, 0x3E, 0x66, 0x66, 0x3F, 0x00 } } },
    { 67, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x3C, 0x66, 0x03, 0x03, 0x03, 0x66, 0x3C, 0x00 } } },
    { 68, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x1F, 0x36, 0x66, 0x66, 0x66, 0x36, 0x1F, 0x00 } } },
    { 69, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x7F, 0x46, 0x16, 0x1E, 0x16, 0x46, 0x7F, 0x00 } } },
    { 70, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x7F, 0x46, 0x16, 0x1E, 0x16, 0x06, 0x0F, 0x00 } } },
    { 71, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x3C, 0x66, 0x03, 0x03, 0x73, 0x66, 0x7C, 0x00 } } },
    { 72, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x33, 0x33, 0x33, 0x3F, 0x33, 0x33, 0x33, 0x00 } } },
    { 73, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x1E, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00 } } },
    { 74, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x78, 0x30, 0x30, 0x30, 0x33, 0x33, 0x1E, 0x00 } } },
    { 75, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x67, 0x66, 0x36, 0x1E, 0x36, 0x66, 0x67, 0x00 } } },
    { 76, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x0F, 0x06, 0x06, 0x06, 0x46, 0x66, 0x7F, 0x00 } } },
    { 77, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x63, 0x77, 0x7F, 0x7F, 0x6B, 0x63, 0x63, 0x00 } } },
    { 78, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x63, 0x67, 0x6F, 0x7B, 0x73, 0x63, 0x63, 0x00 } } },
    { 79, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x1C, 0x36, 0x63, 0x63, 0x63, 0x36, 0x1C, 0x00 } } },
    { 80, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x3F, 0x66, 0x66, 0x3E, 0x06, 0x06, 0x0F, 0x00 } } },
    { 81, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x1E, 0x33, 0x33, 0x33, 0x3B, 0x1E, 0x38, 0x00 } } },
    { 82, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x3F, 0x66, 0x66, 0x3E, 0x36, 0x66, 0x67, 0x00 } } },
    { 83, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x1E, 0x33, 0x07, 0x0E, 0x38, 0x33, 0x1E, 0x00 } } },
    { 84, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x3F, 0x2D, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00 } } },
    { 85, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x33, 0x33, 0x33, 0x33, 0x33, 0x33, 0x3F, 0x00 } } },
    { 86, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x33, 0x33, 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x00 } } },
    { 87, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x63, 0x63, 0x63, 0x6B, 0x7F, 0x77, 0x63, 0x00 } } },
    { 88, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x63, 0x63, 0x36, 0x1C, 0x1C, 0x36, 0x63, 0x00 } } },
    { 89, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x0C, 0x1E, 0x00 } } },
    { 90, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x7F, 0x63, 0x31, 0x18, 0x4C, 0x66, 0x7F, 0x00 } } },
    { 97, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x1E, 0x30, 0x3E, 0x33, 0x6E, 0x00 } } },
    { 98, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x07, 0x06, 0x06, 0x3E, 0x66, 0x66, 0x3B, 0x00 } } },
    { 99, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x1E, 0x33, 0x03, 0x33, 0x1E, 0x00 } } },
    { 100, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x38, 0x30, 0x30, 0x3E, 0x33, 0x33, 0x6E, 0x00 } } },
    { 101, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x1E, 0x33, 0x3F, 0x03, 0x1E, 0x00 } } },
    { 102, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x1C, 0x36, 0x06, 0x0F, 0x06, 0x06, 0x0F, 0x00 } } },
    { 103, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x6E, 0x33, 0x33, 0x3E, 0x30, 0x1F } } },
    { 104, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x07, 0x06, 0x36, 0x6E, 0x66, 0x66, 0x67, 0x00 } } },
    { 105, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x0C, 0x00, 0x0E, 0x0C, 0x0C, 0x0C, 0x1E, 0x00 } } },
    { 106, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x30, 0x00, 0x30, 0x30, 0x30, 0x33, 0x33, 0x1E } } },
    { 107, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x07, 0x06, 0x66, 0x36, 0x1E, 0x36, 0x67, 0x00 } } },
    { 108, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x0E, 0x0C, 0x0C, 0x0C, 0x0C, 0x0C, 0x1E, 0x00 } } },
    { 109, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x33, 0x7F, 0x7F, 0x6B, 0x63, 0x00 } } },
    { 110, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x1F, 0x33, 0x33, 0x33, 0x33, 0x00 } } },
    { 111, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x1E, 0x33, 0x33, 0x33, 0x1E, 0x00 } } },
    { 112, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x3B, 0x66, 0x66, 0x3E, 0x06, 0x0F } } },
    { 113, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x6E, 0x33, 0x33, 0x3E, 0x30, 0x78 } } },
    { 114, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x3B, 0x6E, 0x66, 0x06, 0x0F, 0x00 } } },
    { 115, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x3E, 0x03, 0x1E, 0x30, 0x1F, 0x00 } } },
    { 116, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x08, 0x0C, 0x3E, 0x0C, 0x0C, 0x2C, 0x18, 0x00 } } },
    { 117, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x33, 0x33, 0x33, 0x33, 0x6E, 0x00 } } },
    { 118, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x33, 0x33, 0x33, 0x1E, 0x0C, 0x00 } } },
    { 119, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x63, 0x6B, 0x7F, 0x7F, 0x36, 0x00 } } },
    { 120, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x63, 0x36, 0x1C, 0x36, 0x63, 0x00 } } },
    { 121, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x33, 0x33, 0x33, 0x3E, 0x30, 0x1F } } },
    { 122, 8, 8, PXL8_FONT_FORMAT_INDEXED, { .indexed = { 0x00, 0x00, 0x3F, 0x19, 0x0C, 0x26, 0x3F, 0x00 } } }
};

static const pxl8_font pxl8_default_font = {
    pxl8_ascii_glyphs,
    sizeof(pxl8_ascii_glyphs) / sizeof(pxl8_glyph),
    8,
    8
};

#ifdef __cplusplus
extern "C" {
#endif

pxl8_result pxl8_font_create_atlas(const pxl8_font* font, u8** atlas_data, i32* atlas_width, i32* atlas_height);
const pxl8_glyph* pxl8_font_find_glyph(const pxl8_font* font, u32 codepoint);

#ifdef __cplusplus
}
#endif