Ensure that the pixel line is at least 1 pixel wide.
Without this, some dashed lines may not get drawn at all at some zoom levels.
Change-Id: I273c1548325d14f56618df8ca4166aac58a3ff3f
diff --git a/drawinglayer/source/processor2d/vclpixelprocessor2d.cxx b/drawinglayer/source/processor2d/vclpixelprocessor2d.cxx
index ce22687..439ce61 100644
--- a/drawinglayer/source/processor2d/vclpixelprocessor2d.cxx
+++ b/drawinglayer/source/processor2d/vclpixelprocessor2d.cxx
@@ -430,7 +430,12 @@ namespace drawinglayer
if (fX + fBlockW > fX2)
// Clip the right end in case it spills over the range.
fBlockW = fX2 - fX + 1;
aTarget.append(makeRectPolygon(fX, fY1, fBlockW, aRange.getHeight()));
double fH = aRange.getHeight();
if (basegfx::fTools::equalZero(fH))
fH = 1.0;
aTarget.append(makeRectPolygon(fX, fY1, fBlockW, fH));
}
bLine = !bLine; // line and blank alternate.
@@ -497,7 +502,12 @@ namespace drawinglayer
if (fY + fBlockH > fY2)
// Clip the bottom end in case it spills over the range.
fBlockH = fY2 - fY + 1;
aTarget.append(makeRectPolygon(fX1, fY, aRange.getWidth(), fBlockH));
double fW = aRange.getWidth();
if (basegfx::fTools::equalZero(fW))
fW = 1.0;
aTarget.append(makeRectPolygon(fX1, fY, fW, fBlockH));
}
bLine = !bLine; // line and blank alternate.
