From 90b972404f32159be5a877fad92d8ad3bc277774 Mon Sep 17 00:00:00 2001
From: lvntky <klevent1903@gmail.com>
Date: Sat, 23 Nov 2024 19:26:26 +0300
Subject: [feature] basic shapes

---
 example/rectangle.c | 59 +++++++++++++++++++++++++++++++++++++++++++++++++++++
 example/red.c       | 13 ++++++++++++
 2 files changed, 72 insertions(+)
 create mode 100644 example/rectangle.c
 create mode 100644 example/red.c

(limited to 'example')

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;
+}
diff --git a/example/red.c b/example/red.c
new file mode 100644
index 0000000..274bc31
--- /dev/null
+++ b/example/red.c
@@ -0,0 +1,13 @@
+#define FBGL_IMPLEMENTATION
+#include "../fbgl.h"
+#include <stdio.h>
+
+int main(int argc, char *argv[])
+{
+    fbgl_t fb;
+    fbgl_init("/dev/fb0", &fb);
+    fbgl_set_bg(&fb, 0xFF0000);
+    while(1){}
+    
+    return 0;
+}
-- 
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