78 lines
No EOL
2.9 KiB
C
78 lines
No EOL
2.9 KiB
C
/*********************************************************************************/
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/* Module Name: font.c */
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/* Project: AurixOS */
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/* */
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/* Copyright (c) 2024-2025 Jozef Nagy */
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/* */
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/* This source is subject to the MIT License. */
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/* See License.txt in the root of this repository. */
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/* All other rights reserved. */
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/* */
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/* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR */
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/* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, */
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/* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE */
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/* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER */
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/* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, */
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/* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE */
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/* SOFTWARE. */
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/*********************************************************************************/
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// TODO: Remove this if statement once I fix stb_truetype compilation
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#if 0
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#include <mm/mman.h>
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#include <arch/lib/math.h>
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#include <lib/string.h>
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#include <lib/assert.h>
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#include <vfs/vfs.h>
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#include <print.h>
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__attribute__((used)) static volatile int _fltused = 0;
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#define STB_TRUETYPE_IMPLEMENTATION
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#define STBTT_ifloor(x) _ifloor(x)
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#define STBTT_iceil(x) _iceil(x)
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#define STBTT_sqrt(x) _sqrt(x)
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#define STBTT_pow(x, y) _pow(x, y)
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#define STBTT_fmod(x, y) _fmod(x, y)
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#define STBTT_cos(x) _cos(x)
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#define STBTT_acos(x) _acos(x)
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#define STBTT_fabs(x) __builtin_fabs(x)
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#define STBTT_malloc(x, u) ((void)(u), mem_alloc(x))
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#define STBTT_free(x, u) ((void)(u), mem_free(x))
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#define STBTT_assert(x) assert(x, #x)
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#define STBTT_strlen(x) strlen(x)
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#define STBTT_memcpy memcpy
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#define STBTT_memset memset
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#include "stb_truetype.h"
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unsigned char *font_buf = NULL;
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stbtt_fontinfo font_info;
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float font_scale;
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int font_ascent, font_descent;
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int font_linegap;
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int font_size;
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void font_init(char *font_path, int initial_size)
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{
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vfs_read(font_path, &font_buf);
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if (!font_buf) {
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debug("Font not loaded, returning...\n");
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return;
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}
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font_size = initial_size;
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stbtt_InitFont(&font_info, &font_buf, 0);
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font_scale = stbtt_ScaleForPixelHeight(&font_info, font_size);
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stbtt_GetFontVMetrics(&font_info, &font_ascent, &font_descent, &font_linegap);
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font_ascent *= font_scale;
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font_descent *= font_scale;
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}
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#endif
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