Some work on the libgui

1 files changed, 21 insertions, 0 deletions

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 <stdint.h>
+#include <gui.h>
+
+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