50 lines
1.2 KiB
C
50 lines
1.2 KiB
C
#include <lib/console.h>
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#include <lib/font.h>
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#include <drivers/vga/vga.h>
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static psf_font_t* font;
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static uint32_t console_row;
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static uint32_t console_col;
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static uint32_t console_text_color;
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static uint32_t console_backgrnd_color;
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static void write_vga_char(char c) {
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uint32_t vga_pitch = vga_get_pitch();
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uint8_t* glyph = (uint8_t*)font->glyphs + (c * font->hdr->charsz);
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for (uint32_t y = 0; y < font->hdr->charsz; y++) {
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uint8_t bits = glyph[y];
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uint32_t* row = (uint32_t*)((uintptr_t)VGA_FRAMEBUFFER + ((console_row + y) * vga_pitch));
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for (int x = 0; x < 8; x++) {
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if (bits & (0b10000000 >> x)) {
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row[console_col + x] = console_text_color;
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}
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}
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}
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}
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int set_console_font(const char* path) {
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font = load_font(path);
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return font != NULL;
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}
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void set_console_fg(uint32_t color) {
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console_text_color = color;
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}
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void set_console_bg(uint32_t color) {
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console_backgrnd_color = color;
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}
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void console_init() {
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console_row = 0;
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console_col = 0;
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set_console_fg(0xFFFFFFFF);
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vga_clear_scrn(0x00000000);
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}
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void console_putchar(char c) {
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write_vga_char(c);
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} |