diff options
Diffstat (limited to 'libgui/gui.c')
| -rw-r--r-- | libgui/gui.c | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/libgui/gui.c b/libgui/gui.c index e42e0f6..3b918e7 100644 --- a/libgui/gui.c +++ b/libgui/gui.c @@ -1,6 +1,8 @@ // MIT License, Copyright (c) 2020 Marvin Borner // Some GUI functions +#include <assert.h> +#include <bmp.h> #include <gui.h> #include <psf.h> #include <str.h> @@ -38,6 +40,59 @@ void gui_write(struct vbe *vbe, int x, int y, const u32 c[3], char *text) } } +void gui_load_wallpaper(struct vbe *vbe, char *path) +{ + struct bmp *bmp = bmp_load(path); + assert(bmp); + + int bpl = bmp->bpp >> 3; + int x1 = 0; + int x2 = bmp->width; + int y1 = 0; + int y2 = bmp->height; + + // TODO: Support padding with odd widths + /* int pitch = bmp->width * bpl; */ + /* int padding = 1; */ + /* while ((pitch + padding) % 4 != 0) */ + /* padding++; */ + /* int psw = pitch + padding; */ + + int pos1 = x1 * bpl + y1 * vbe->pitch; + u8 *draw = &vbe->fb[pos1]; + u8 *data = bmp->data; + for (int i = 0; i <= y2 - y1; i++) { + for (int j = 0; j <= x2 - x1; j++) { + draw[bpl * j] = data[bpl * j]; + draw[bpl * j + 1] = data[bpl * j + 1]; + draw[bpl * j + 2] = data[bpl * j + 2]; + } + draw += vbe->pitch; + data += bmp->pitch; + } +} + +void gui_draw_rectangle(struct window *win, int x1, int y1, int x2, int y2, const u32 color[3]) +{ + int bpl = win->vbe->bpp >> 3; + + int pos1 = x1 * bpl + y1 * win->vbe->pitch; + u8 *draw = &win->fb[pos1]; + for (int i = 0; i <= y2 - y1; i++) { + for (int j = 0; j <= x2 - x1; j++) { + draw[bpl * j] = color[2]; + draw[bpl * j + 1] = color[1]; + draw[bpl * j + 2] = color[0]; + } + draw += win->vbe->pitch; + } +} + +void gui_fill(struct window *win, const u32 color[3]) +{ + gui_draw_rectangle(win, 0, 0, win->width - 1, win->height - 1, color); +} + void gui_init(char *font_path) { font = psf_parse(read(font_path)); |