diff options
| author | Stephan Unverwerth <s.unverwerth@gmx.de> | 2020-04-18 13:21:32 +0200 |
|---|---|---|
| committer | Andreas Kling <kling@serenityos.org> | 2020-04-18 13:24:34 +0200 |
| commit | cbcf317e760c3370d10cfc525f0f528abd44e820 (patch) | |
| tree | 635cad6242672544f783847774508d0de6495b96 /Libraries/LibGfx/Painter.cpp | |
| parent | e2f0e36bdb7b1847c42f01bb651ca80138ab6e69 (diff) | |
| download | serenity-cbcf317e760c3370d10cfc525f0f528abd44e820.zip | |
LibGfx: Fix draw_triangle() clipping calculations
Diffstat (limited to 'Libraries/LibGfx/Painter.cpp')
| -rw-r--r-- | Libraries/LibGfx/Painter.cpp | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/Libraries/LibGfx/Painter.cpp b/Libraries/LibGfx/Painter.cpp index 140d3fce23..b1d80ea7db 100644 --- a/Libraries/LibGfx/Painter.cpp +++ b/Libraries/LibGfx/Painter.cpp @@ -360,8 +360,8 @@ void Painter::draw_triangle(const Point& a, const Point& b, const Point& c, Colo int top = p0.y(); if (top < clip.top()) { - x01 += dx01 * clip.top() - top; - x02 += dx02 * clip.top() - top; + x01 += dx01 * (clip.top() - top); + x02 += dx02 * (clip.top() - top); top = clip.top(); } @@ -381,8 +381,8 @@ void Painter::draw_triangle(const Point& a, const Point& b, const Point& c, Colo top = p1.y(); if (top < clip.top()) { - x02 += dx02 * clip.top() - top; - x12 += dx12 * clip.top() - top; + x02 += dx02 * (clip.top() - top); + x12 += dx12 * (clip.top() - top); top = clip.top(); } |