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graphics settings

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This commit is contained in:
boreddevnl
2026-03-12 21:57:26 +01:00
parent d19075750b
commit 93b59064c7
13 changed files with 431 additions and 8 deletions
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5
src/kernel/userland/libc/libui.c
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@@ -9,6 +9,7 @@ extern uint64_t syscall5(uint64_t sys_num, uint64_t arg1, uint64_t arg2, uint64_
// sys_gui uses syscall #3
#define SYS_GUI 3
#define GUI_CMD_GET_SCREEN_SIZE 17
ui_window_t ui_window_create(const char *title, int x, int y, int w, int h) {
uint64_t params[4] = { (uint64_t)x, (uint64_t)y, (uint64_t)w, (uint64_t)h };
@@ -58,6 +59,10 @@ uint32_t ui_get_font_height(void) {
return (uint32_t)syscall3(SYS_GUI, GUI_CMD_GET_FONT_HEIGHT, 0, 0);
}
void ui_get_screen_size(uint64_t *out_w, uint64_t *out_h) {
syscall3(SYS_GUI, GUI_CMD_GET_SCREEN_SIZE, (uint64_t)out_w, (uint64_t)out_h);
}
void ui_draw_string_scaled(ui_window_t win, int x, int y, const char *str, uint32_t color, float scale) {
uint64_t coords = ((uint64_t)x & 0xFFFFFFFF) | ((uint64_t)y << 32);
// Pack color into lower 32, scale (as uint32_t representation) into upper 32

1
src/kernel/userland/libc/libui.h
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@@ -58,6 +58,7 @@ void ui_mark_dirty(ui_window_t win, int x, int y, int w, int h);
void ui_draw_image(ui_window_t win, int x, int y, int w, int h, uint32_t *image_data);
uint32_t ui_get_string_width(const char *str);
uint32_t ui_get_font_height(void);
void ui_get_screen_size(uint64_t *out_w, uint64_t *out_h);
void ui_draw_string_bitmap(ui_window_t win, int x, int y, const char *str, uint32_t color);
void ui_draw_string_scaled(ui_window_t win, int x, int y, const char *str, uint32_t color, float scale);