Fix bounds computation in GrAAHairlineRenderer
R=robertphillips@google.com, jvanverth@google.com
Author: bsalomon@google.com
Review URL: https://chromiumcodereview.appspot.com/23684008
git-svn-id: http://skia.googlecode.com/svn/trunk@11054 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/gm/hairlines.cpp b/gm/hairlines.cpp
index e73cc6d..7be4423 100644
--- a/gm/hairlines.cpp
+++ b/gm/hairlines.cpp
@@ -80,6 +80,30 @@
unevenClosedQuad->quadTo(SkIntToScalar(100), SkIntToScalar(100),
SkIntToScalar(75), SkIntToScalar(75));
}
+
+ // Two problem cases for gpu hairline renderer found by shapeops testing. These used
+ // to assert that the computed bounding box didn't contain all the vertices.
+ {
+ SkPath* problem1 = &fPaths.push_back();
+ problem1->moveTo(SkIntToScalar(4), SkIntToScalar(6));
+ problem1->cubicTo(SkIntToScalar(5), SkIntToScalar(6),
+ SkIntToScalar(5), SkIntToScalar(4),
+ SkIntToScalar(4), SkIntToScalar(0));
+ problem1->close();
+ }
+
+ {
+ SkPath* problem2 = &fPaths.push_back();
+ problem2->moveTo(SkIntToScalar(5), SkIntToScalar(1));
+ problem2->lineTo(SkFloatToScalar(4.32787323f), SkFloatToScalar(1.67212653f));
+ problem2->cubicTo(SkFloatToScalar(2.75223875f), SkFloatToScalar(3.24776125f),
+ SkFloatToScalar(3.00581908f), SkFloatToScalar(4.51236057f),
+ SkFloatToScalar(3.7580452f), SkFloatToScalar(4.37367964f));
+ problem2->cubicTo(SkFloatToScalar(4.66472578f), SkFloatToScalar(3.888381f),
+ SkFloatToScalar(5.f), SkFloatToScalar(2.875f),
+ SkFloatToScalar(5.f), SkFloatToScalar(1.f));
+ problem2->close();
+ }
}
virtual void onDraw(SkCanvas* canvas) SK_OVERRIDE {