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2026-05-07 02:22:25 +03:00
commit 1a9fd27a31
226 changed files with 29188 additions and 0 deletions
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+#ifndef FB_H
+#define FB_H
+
+#include <stdint.h>
+#include <stddef.h>
+#include <limine.h>
+
+#define RGB(r, g, b) (((r) << 16) | ((g) << 8) | (b))
+
+#define COLOR_BLACK     RGB(  0,   0,   0)
+#define COLOR_WHITE     RGB(255, 255, 255)
+#define COLOR_RED       RGB(255,   0,   0)
+#define COLOR_GREEN     RGB(  0, 255,   0)
+#define COLOR_BLUE      RGB(  0,   0, 255)
+#define COLOR_CYAN      RGB(  0, 255, 255)
+#define COLOR_MAGENTA   RGB(255,   0, 255)
+#define COLOR_YELLOW    RGB(255, 255,   0)
+#define COLOR_ORANGE    RGB(255, 165,   0)
+#define COLOR_GRAY      RGB(128, 128, 128)
+#define COLOR_DARKGRAY  RGB( 64,  64,  64)
+#define COLOR_BROWN     RGB(165,  42,  42)
+
+struct psf_header {
+    uint32_t magic;
+    uint32_t version;
+    uint32_t headersize;
+    uint32_t flags;
+    uint32_t numglyph;
+    uint32_t bytesperglyph;
+    uint32_t height;
+    uint32_t width;
+} __attribute__((packed));
+
+extern uint8_t _binary_font_psf_start[];
+extern uint8_t _binary_font_psf_end[];
+
+static inline const uint8_t* get_font_data(void) {
+    return (const uint8_t*)&_binary_font_psf_start;
+}
+static inline size_t get_font_data_size(void) {
+    return _binary_font_psf_end - _binary_font_psf_start;
+}
+
+static inline const struct psf_header* get_psf_header(void) {
+    return (const struct psf_header*)&_binary_font_psf_start;
+}
+
+int psf_validate(void);
+void fb_draw_pixel(struct limine_framebuffer *fb, uint32_t x, uint32_t y, uint32_t color);
+void fb_fill_rect(struct limine_framebuffer *fb, uint32_t x, uint32_t y, uint32_t w, uint32_t h, uint32_t color);
+void fb_clear(struct limine_framebuffer *fb, uint32_t color);
+void fb_draw_char(struct limine_framebuffer *fb, char c, uint32_t x, uint32_t y, uint32_t color);
+void fb_draw_string(struct limine_framebuffer *fb, const char *str, uint32_t x, uint32_t y, uint32_t color);
+void fb_init_backbuffer(struct limine_framebuffer *fb);
+void fb_flush(struct limine_framebuffer *fb);
+void fb_flush_lines(struct limine_framebuffer *fb, uint32_t y_start, uint32_t y_end);
+
+#endif