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GRAPHICS: Fix discrepancy in the thick line drawing function

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The shortcuts for horizontal and vertical lines should draw the extra
thickness pixels around the line, not below it or to the right
This commit is contained in:
Filippos Karapetis 2016-08-25 11:57:08 +03:00
parent a5b97a989c
commit 102fe0be9f
1 changed files with 2 additions and 6 deletions
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8
graphics/primitives.cpp
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@ -108,15 +108,11 @@ void drawThickLine2(int x1, int y1, int x2, int y2, int thick, int color, void (
int dy = abs(y2 - y1);
if (dx == 0) {
if (y1 > y2)
SWAP(y1, y2);
Common::Rect r(x1, y1, x1 + thick - 1, y2);
Common::Rect r(x1 - thick / 2, MIN(y1, y2), x1 + thick / 2, MAX(y1, y2));
drawFilledRect(r, color, plotProc, data);
return;
} else if (dy == 0) {
if (x1 > x2)
SWAP(x1, x2);
Common::Rect r(x1, y1, x2, y1 + thick - 1);
Common::Rect r(MIN(x1, x2), y1 - thick / 2, MAX(x1, x2), y1 + thick / 2);
drawFilledRect(r, color, plotProc, data);
return;
}