From 45eadda0dc5d02b92501887da122ff2c07373237 Mon Sep 17 00:00:00 2001

From: =?UTF-8?q?Jaakko=20Kera=CC=88nen?= jaakko.keranen@iki.fi

Date: Sun, 15 Aug 2021 07:08:35 +0300

Subject: [PATCH 1/1] macOS: Workaround for an apparent SDL regression

On macOS with SDL 2.0.16, there's a problem with the bottom right corner of a rectangle drawn as a line strip being off by one.

SDL_RenderDrawLines() is behaving oddly on macOS with SDL 2.0.16.

src/ui/paint.c | 8 ++++++--

1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/ui/paint.c b/src/ui/paint.c

index c575d5fc..869238d5 100644

--- a/src/ui/paint.c

+++ b/src/ui/paint.c

@@ -91,9 +91,13 @@ void drawRect_Paint(const iPaint *d, iRect rect, int color) {

 if (br.y == d->dst->size.y) br.y--;

 const SDL_Point edges[] = {

     { left_Rect(rect),  top_Rect(rect) },

•    { br.x, top_Rect(rect) },
  

•    { br.x, br.y },
  

•    { br.x,             top_Rect(rect) },
  

•    { br.x,             br.y },
  

+#if SDL_VERSION_ATLEAST(2, 0, 16) && defined (iPlatformApple)

•    { left_Rect(rect),  br.y - 1 }, /* regression in SDL 2.0.16? */
  

+#else

     { left_Rect(rect),  br.y },

+#endif

     { left_Rect(rect),  top_Rect(rect) }

 };

 setColor_Paint_(d, color);

--

2.25.1