commit d656b2e81ef82002eafe674f4bf82d984c899307
Author: Retro-Theory <77812414+retrotheory@users.noreply.github.com>
Date:   Tue Dec 28 21:00:31 2021 +0000

    Add files via upload

diff --git a/InvertCorners.sit b/InvertCorners.sit
new file mode 100644
index 0000000..d8eadd0
Binary files /dev/null and b/InvertCorners.sit differ
diff --git a/invertcorners.c b/invertcorners.c
new file mode 100644
index 0000000..2d9349b
--- /dev/null
+++ b/invertcorners.c
@@ -0,0 +1 @@
+#include <Quickdraw.h>

int main(void) 
{
																// Setup 
	Rect s;
	RgnHandle CornersRgn;
	RgnHandle WholeRgn;
	InitGraf(&qd.thePort);
	InitWindows();
	s = qd.screenBits.bounds;

																// Whole screen set
	RectRgn(qd.thePort->visRgn, &s);
																// Draw the rounded corners
	WholeRgn = NewRgn();
	OpenRgn();
	FrameRoundRect(&s, 16, 16);
	CloseRgn(WholeRgn);
																// Invert just the corners	
	CornersRgn = NewRgn();
	DiffRgn(qd.thePort->visRgn, WholeRgn, CornersRgn);
	InvertRgn(CornersRgn);
																// Set screen as rounded screen
	CopyRgn(WholeRgn, qd.thePort->visRgn);
	DisposeRgn(WholeRgn);
}
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