Outline and filled circles, suppressed warnings

1 files changed, 32 insertions, 0 deletions

diff --git a/examples/circle.c b/examples/circle.c
new file mode 100644
index 0000000..40ad800
--- /dev/null
+++ b/examples/circle.c
@@ -0,0 +1,32 @@
+#define FBGL_IMPLEMENTATION
+#include "fbgl.h"
+
+int main(void)
+{
+	fbgl_t buffer;
+	if (fbgl_init("/dev/fb0", &buffer) == -1) {
+		fprintf(stdout, "Error: could not open framebuffer device\n");
+		return -1;
+	}
+
+	fbgl_point_t circ_center = { 960, 540 };
+
+	fbgl_set_bg(&buffer, 0x00FF0000);
+	uint32_t i = 0;
+	while (true) {
+		circ_center.x = 960 + 200 * cos(i * M_PI / 180);
+		circ_center.y = 540 + 200 * sin(i * M_PI / 180);
+
+		fbgl_draw_circle_outline(circ_center.x - 240,
+					 circ_center.y - 240, 40, 0xFFFFFF,
+					 &buffer);
+		i = (i + 1) % 360;
+		fbgl_draw_circle_filled(480, 540, 40, 0xFFFFFF, &buffer);
+		usleep(10000);
+	}
+
+	while (1) {
+	}
+
+	return 0;
+}