From co-pilot

Author: HinTak

skia_opengl_rotating_rect.py

@@ -0,0 +1,46 @@
+import glfw
+import skia
+import time
+import math
+
+# Initialize GLFW and create window
+if not glfw.init():
+    raise RuntimeError("Failed to initialize GLFW")
+glfw.window_hint(glfw.CLIENT_API, glfw.OPENGL_API)
+window = glfw.create_window(640, 480, "Skia + OpenGL Example", None, None)
+if not window:
+    glfw.terminate()
+    raise RuntimeError("Failed to create window")
+glfw.make_context_current(window)
+
+# Create Skia GPU context (OpenGL)
+context = skia.GrDirectContext.MakeGL()
+surface = skia.Surface.MakeRenderTarget(
+    context,
+    skia.Budgeted.kNo,
+    skia.ImageInfo.Make(640, 480, skia.ColorType.kRGBA_8888_ColorType, skia.AlphaType.kPremul_AlphaType),
+    0,
+    skia.SurfaceProps()
+)
+
+angle = 0.0
+while not glfw.window_should_close(window):
+    glfw.poll_events()
+    canvas = surface.getCanvas()
+    canvas.clear(skia.ColorWHITE)
+
+    # Draw rotating rectangle
+    paint = skia.Paint(Color=skia.ColorBLUE)
+    canvas.save()
+    canvas.translate(320, 240)
+    canvas.rotate(angle)
+    canvas.drawRect(skia.Rect.MakeLTRB(-100, -50, 100, 50), paint)
+    canvas.restore()
+
+    surface.flushAndSubmit()
+    glfw.swap_buffers(window)
+    angle += 1.0
+    time.sleep(1/60)
+
+glfw.destroy_window(window)
+glfw.terminate()