From df65bad9d23c77e2d2c57c3db8fee53b5470e1ff Mon Sep 17 00:00:00 2001
From: Johannes Schickel
Date: Sun, 21 Feb 2016 14:41:29 +0100
Subject: GRAPHICS: Skip empty rects in VectorRendererSpec::drawSquareAlg.

---
 graphics/VectorRendererSpec.cpp | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'graphics')

diff --git a/graphics/VectorRendererSpec.cpp b/graphics/VectorRendererSpec.cpp
index fda0021201..b9ad82bf1a 100644
--- a/graphics/VectorRendererSpec.cpp
+++ b/graphics/VectorRendererSpec.cpp
@@ -1244,6 +1244,11 @@ drawBevelTabAlg(int x, int y, int w, int h, int bevel, PixelType top_color, Pixe
 template<typename PixelType>
 void VectorRendererSpec<PixelType>::
 drawSquareAlg(int x, int y, int w, int h, PixelType color, VectorRenderer::FillMode fill_m) {
+	// Do not draw anything for empty rects.
+	if (w <= 0 || h <= 0) {
+		return;
+	}
+
 	PixelType *ptr = (PixelType *)_activeSurface->getBasePtr(x, y);
 	int pitch = _activeSurface->pitch / _activeSurface->format.bytesPerPixel;
 	int max_h = h;
-- 
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