Initial project import

tools/v/vlib/sokol/sapp/screenshot.c.v

@@ -0,0 +1,42 @@
+module sapp
+
+@[heap]
+pub struct Screenshot {
+	width  int
+	height int
+	size   int
+mut:
+	pixels &u8 = unsafe { nil }
+}
+
+@[manualfree]
+pub fn screenshot_window() &Screenshot {
+	img_width := width()
+	img_height := height()
+	img_size := img_width * img_height * 4
+	img_pixels := unsafe { &u8(malloc(img_size)) }
+	C.v_sapp_gl_read_rgba_pixels(0, 0, img_width, img_height, img_pixels)
+	return &Screenshot{
+		width:  img_width
+		height: img_height
+		size:   img_size
+		pixels: img_pixels
+	}
+}
+
+// free - free *only* the Screenshot pixels.
+@[unsafe]
+pub fn (mut ss Screenshot) free() {
+	unsafe {
+		free(ss.pixels)
+		ss.pixels = &u8(nil)
+	}
+}
+
+// destroy - free the Screenshot pixels,
+// then free the screenshot data structure itself.
+@[unsafe]
+pub fn (mut ss Screenshot) destroy() {
+	unsafe { ss.free() }
+	unsafe { free(ss) }
+}