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authorLevent Kaya <42411502+lvntky@users.noreply.github.com>2024-11-27 01:33:45 +0300
committerGitHub <noreply@github.com>2024-11-27 01:33:45 +0300
commitc7b78ebc52e789f0c4d21e3351169871c2b4143f (patch)
tree487fd817ccc0e1ac6c6c5112366553bb53ee2096 /examples/circle.c
parent449ea58099de8fac62aae389b4ea2808a6ef66f3 (diff)
parent19ae0e7c82275831531429c3cfabd6810c311185 (diff)
Merge pull request #9 from dario-loi/master
[FEATURE] Filled and Outlined Circle
Diffstat (limited to 'examples/circle.c')
-rw-r--r--examples/circle.c32
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;
+}