From 396d7d303d3bf0e796d0c817883ec1dec928352a Mon Sep 17 00:00:00 2001 From: Marvin Borner Date: Wed, 29 Apr 2020 15:26:21 +0200 Subject: Some work on the libgui --- src/userspace/libgui/draw.c | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 src/userspace/libgui/draw.c (limited to 'src/userspace/libgui/draw.c') diff --git a/src/userspace/libgui/draw.c b/src/userspace/libgui/draw.c new file mode 100644 index 0000000..adcdec2 --- /dev/null +++ b/src/userspace/libgui/draw.c @@ -0,0 +1,21 @@ +#include +#include + +void gui_draw_rectangle(int x1, int y1, int x2, int y2, const u32 color[3]) +{ + int pos1 = x1 * vbe_bpl + y1 * vbe_pitch; + char *draw = (char *)&fb[pos1]; + for (int i = 0; i <= y2 - y1; i++) { + for (int j = 0; j <= x2 - x1; j++) { + draw[vbe_bpl * j] = (char)color[2]; + draw[vbe_bpl * j + 1] = (char)color[1]; + draw[vbe_bpl * j + 2] = (char)color[0]; + } + draw += vbe_pitch; + } +} + +void gui_screen_clear() +{ + gui_draw_rectangle(0, 0, vbe_width - 1, vbe_height - 1, terminal_background); +} \ No newline at end of file -- cgit v1.2.3