Outline and filled circles, suppressed warnings

2 files changed, 54 insertions, 22 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;
+}
diff --git a/examples/text.c b/examples/text.c
index 7cbf3ff..9003e3c 100644
--- a/examples/text.c
+++ b/examples/text.c
@@ -16,35 +16,35 @@ int save_framebuffer_as_ppm(fbgl_t *fb, const char *filename)
 	}
 
 	// Write PPM header (P6 format - binary RGB)
-	fprintf(fp, "P6\n%zu %zu\n255\n", fb->width, fb->height);
+        fprintf(fp, "P6\n%u %u\n255\n", fb->width, fb->height);
 
-	// Allocate buffer for pixel data
-	uint8_t *pixel_buffer = malloc(fb->width * fb->height * 3);
-	if (!pixel_buffer) {
+        // Allocate buffer for pixel data
+        uint8_t* pixel_buffer = malloc(fb->width * fb->height * 3);
+        if (!pixel_buffer) {
 		perror("Memory allocation error");
 		fclose(fp);
 		return -1;
 	}
 
 	// Convert framebuffer to RGB
-	for (size_t y = 0; y < fb->height; y++) {
-		for (size_t x = 0; x < fb->width; x++) {
-			uint32_t pixel = fb->pixels[y * fb->width + x];
-
-			// Extract RGB components (assuming 32-bit ARGB or RGB)
-			uint8_t r = (pixel >> 16) & 0xFF;
-			uint8_t g = (pixel >> 8) & 0xFF;
-			uint8_t b = pixel & 0xFF;
-
-			// Store in buffer for PPM
-			pixel_buffer[(y * fb->width + x) * 3] = r;
-			pixel_buffer[(y * fb->width + x) * 3 + 1] = g;
-			pixel_buffer[(y * fb->width + x) * 3 + 2] = b;
-		}
-	}
-
-	// Write pixel data
-	fwrite(pixel_buffer, 1, fb->width * fb->height * 3, fp);
+        for (int32_t y = 0; y < fb->height; y++) {
+            for (int32_t x = 0; x < fb->width; x++) {
+                uint32_t pixel = fb->pixels[y * fb->width + x];
+
+                // Extract RGB components (assuming 32-bit ARGB or RGB)
+                uint8_t r = (pixel >> 16) & 0xFF;
+                uint8_t g = (pixel >> 8) & 0xFF;
+                uint8_t b = pixel & 0xFF;
+
+                // Store in buffer for PPM
+                pixel_buffer[(y * fb->width + x) * 3] = r;
+                pixel_buffer[(y * fb->width + x) * 3 + 1] = g;
+                pixel_buffer[(y * fb->width + x) * 3 + 2] = b;
+            }
+        }
+
+        // Write pixel data
+        fwrite(pixel_buffer, 1, fb->width * fb->height * 3, fp);
 
 	// Cleanup
 	free(pixel_buffer);