haskal
/
kicad
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Fixed stroke semicircles drawing using shaderless OpenGL backend.

This commit is contained in:
Maciej Suminski 2013-07-02 09:27:12 +02:00
parent f38935459b
commit 2061947138
1 changed files with 37 additions and 42 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
common/gal/opengl/opengl_gal.cpp
View File

@ -1024,15 +1024,11 @@ void OPENGL_GAL::drawStrokedSemiCircle( const VECTOR2D& aCenterPoint, double aRa
else
{
// Compute the factors for the unit circle
double outerScale = lineWidth / aRadius / 2;
double innerScale = -outerScale;
outerScale += 1.0;
innerScale += 1.0;
double innerScale = 1.0 - lineWidth / aRadius;
if( innerScale < outerScale )
{
Save();
Translate( aCenterPoint );
Scale( VECTOR2D( aRadius, aRadius ) );
Rotate( aAngle );
// Draw the outline
@ -1062,11 +1058,11 @@ void OPENGL_GAL::drawStrokedSemiCircle( const VECTOR2D& aCenterPoint, double aRa
}
vertex3( circle[i].x * innerScale, circle[i].y * innerScale, layerDepth );
vertex3( circle[i].x * outerScale, circle[i].y * outerScale, layerDepth );
vertex3( circle[i].x, circle[i].y, layerDepth );
vertex3( circle[next].x * innerScale, circle[next].y * innerScale, layerDepth );
vertex3( circle[i].x * outerScale, circle[i].y * outerScale, layerDepth );
vertex3( circle[next].x * outerScale, circle[next].y * outerScale, layerDepth );
vertex3( circle[i].x, circle[i].y, layerDepth );
vertex3( circle[next].x, circle[next].y, layerDepth );
vertex3( circle[next].x * innerScale, circle[next].y * innerScale, layerDepth );
}
@ -1074,7 +1070,6 @@ void OPENGL_GAL::drawStrokedSemiCircle( const VECTOR2D& aCenterPoint, double aRa
Restore();
}
}
}