[feature] basic shapes

1 files changed, 59 insertions, 0 deletions

diff --git a/example/rectangle.c b/example/rectangle.c
new file mode 100644
index 0000000..73f9c4b
--- /dev/null
+++ b/example/rectangle.c
@@ -0,0 +1,59 @@
+#define FBGL_IMPLEMENTATION
+#include "../fbgl.h"
+
+int main(int argc, char *argv[])
+{
+    fbgl_t buffer;
+    if (fbgl_init("/dev/fb0", &buffer) == -1) {
+        fprintf(stdout, "Error: could not open framebuffer device\n");
+        return -1;
+    }
+
+    fbgl_set_bg(&buffer, 0xFFFFFF);  // Set the background to white
+
+    fbgl_point_t start = {100, 100};
+    fbgl_point_t end = {200, 200};
+    fbgl_draw_rectangle_outline(start, end, 0xFF0000, &buffer);  // Draw red rectangle outline
+
+    fbgl_point_t start2 = {600, 400};
+    fbgl_point_t end2 = {800, 800};
+    uint32_t colors[] = {0xFFC00, 0x00FF00, 0x0000FF, 0xFF00FF};  // Yellow, Green, Blue, Magenta
+    size_t color_index = 0;
+    
+    // Initial position of the marquee rectangle
+    int dx = 15;  // Horizontal speed
+    int dy = 8;  // Vertical speed
+
+    while (1) {
+        // Clear the framebuffer (set background)
+        fbgl_set_bg(&buffer, 0xFFFFFF);
+
+
+        // Draw the moving filled rectangle
+        fbgl_draw_rectangle_filled(start2, end2, colors[color_index], &buffer);
+	
+        // Move the filled rectangle by updating its position
+        start2.x += dx;
+        end2.x += dx;
+        start2.y += dy;
+        end2.y += dy;
+
+        // Reverse direction if the rectangle hits the screen boundary
+        if (start2.x <= 0 || end2.x >= buffer.width) {
+            dx = -dx;
+	    color_index++;
+        }
+        if (start2.y <= 0 || end2.y >= buffer.height) {
+            dy = -dy;
+	    color_index++;
+        }
+	if (color_index >= 4) {
+	    color_index = 0;
+	}
+
+        usleep(50000);  // Delay to make the animation visible (adjust as needed)
+    }
+
+    fbgl_destroy(&buffer);
+    return 0;
+}