From 5e6c3557f8254d3f73f37f322f7560f7594ea793 Mon Sep 17 00:00:00 2001 From: "commit-bot@chromium.org" Date: Thu, 4 Jul 2013 14:42:26 +0000 Subject: Consider conical shader opaque if it covers entire plane. BUG=222380 R=junov@chromium.org, senorblanco@chromium.org, reed@google.com Author: arbesfeld@chromium.org Review URL: https://chromiumcodereview.appspot.com/18533006 git-svn-id: http://skia.googlecode.com/svn/trunk@9902 2bbb7eff-a529-9590-31e7-b0007b416f81 --- tests/GradientTest.cpp | 30 ++++++++++++++++++++++++++++++ 1 file changed, 30 insertions(+) (limited to 'tests/GradientTest.cpp') diff --git a/tests/GradientTest.cpp b/tests/GradientTest.cpp index cf8fbee206..b67cc05380 100644 --- a/tests/GradientTest.cpp +++ b/tests/GradientTest.cpp @@ -126,6 +126,34 @@ static void conical_gradproc(skiatest::Reporter* reporter, const GradRec& rec) { rec.gradCheck(reporter, s, &info, SkShader::kConical_GradientType); REPORTER_ASSERT(reporter, !memcmp(info.fPoint, rec.fPoint, 2 * sizeof(SkPoint))); REPORTER_ASSERT(reporter, !memcmp(info.fRadius, rec.fRadius, 2 * sizeof(SkScalar))); + REPORTER_ASSERT(reporter, !s->isOpaque()); +} + +// 2-point radial gradient should behave as opaque when it extends to the entire plane +static void conical_gradproc_opaque(skiatest::Reporter* reporter, const GradRec& rec) { + SkAutoTUnref s(SkGradientShader::CreateTwoPointConical(rec.fPoint[0], + rec.fRadius[0], + rec.fPoint[0], + rec.fRadius[1], + rec.fColors, + rec.fPos, + rec.fColorCount, + rec.fTileMode)); + REPORTER_ASSERT(reporter, s->isOpaque()); +} + +// 2nd circle center lies on edge of first circle should not be considered opaque +static void conical_gradproc_not_opaque(skiatest::Reporter* reporter, const GradRec& rec) { + SkScalar dist = SkPoint::Distance(rec.fPoint[0], rec.fPoint[1]); + SkAutoTUnref s(SkGradientShader::CreateTwoPointConical(rec.fPoint[0], + dist, + rec.fPoint[1], + rec.fRadius[1], + rec.fColors, + rec.fPos, + rec.fColorCount, + rec.fTileMode)); + REPORTER_ASSERT(reporter, !s->isOpaque()); } // Ensure that repeated color gradients behave like drawing a single color @@ -185,6 +213,8 @@ static void TestGradientShaders(skiatest::Reporter* reporter) { radial2_gradproc, sweep_gradproc, conical_gradproc, + conical_gradproc_opaque, + conical_gradproc_not_opaque, }; for (size_t i = 0; i < SK_ARRAY_COUNT(gProcs); ++i) { -- cgit v1.2.3