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(svn r22426) -Fix (r22291): Drawing vertical and horizontal lines of width 1 missed drawing the first pixel.

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frosch
2011-05-05 20:20:52 +00:00
parent 1514cc53f0
commit d3f23f0fbd
1 changed files with 2 additions and 2 deletions
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4
src/blitter/base.cpp
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@@ -63,7 +63,7 @@ void Blitter::DrawLine(void *video, int x, int y, int x2, int y2, int screen_wid
frac_low += dx; frac_low += dx;
y_low -= stepy; y_low -= stepy;
} }
while (frac_high - dx / 2 > 0) { while (frac_high - dx / 2 >= 0) {
frac_high -= dx; frac_high -= dx;
y_high += stepy; y_high += stepy;
} }
@@ -97,7 +97,7 @@ void Blitter::DrawLine(void *video, int x, int y, int x2, int y2, int screen_wid
frac_low += dy; frac_low += dy;
x_low -= stepx; x_low -= stepx;
} }
while (frac_high - dy / 2 > 0) { while (frac_high - dy / 2 >= 0) {
frac_high -= dy; frac_high -= dy;
x_high += stepx; x_high += stepx;
} }