diff options
| -rw-r--r-- | gm/blurs.cpp | 49 |
1 files changed, 40 insertions, 9 deletions
diff --git a/gm/blurs.cpp b/gm/blurs.cpp index ad363e425d..2ca1193e22 100644 --- a/gm/blurs.cpp +++ b/gm/blurs.cpp @@ -1,17 +1,15 @@ - /* * Copyright 2011 Google Inc. * * Use of this source code is governed by a BSD-style license that can be * found in the LICENSE file. */ + #include "gm.h" #include "SkBlurMask.h" #include "SkBlurMaskFilter.h" -namespace skiagm { - -class BlursGM : public GM { +class BlursGM : public skiagm::GM { public: BlursGM() { this->setBGColor(0xFFDDDDDD); @@ -92,12 +90,45 @@ protected: } private: - typedef GM INHERITED; + typedef skiagm::GM INHERITED; }; +DEF_GM( return new BlursGM; ) + +////////////////////////////////////////////////////////////////////////////////////////////// + +// exercise a special-case of blurs, which is two nested rects. These are drawn specially, +// and possibly cached. +// +// in particular, we want to notice that the 2nd rect draws slightly differently, since it +// is translated a fractional amount. +// +class Blur2RectsGM : public skiagm::GM { +public: + SkString onShortName() SK_OVERRIDE { + return SkString("blur2rects"); + } -////////////////////////////////////////////////////////////////////////////// + SkISize onISize() SK_OVERRIDE { + return SkISize::Make(700, 500); + } + + void onDraw(SkCanvas* canvas) SK_OVERRIDE { + SkPaint paint; -static GM* MyFactory(void*) { return new BlursGM; } -static GMRegistry reg(MyFactory); + paint.setMaskFilter(SkBlurMaskFilter::Create(kNormal_SkBlurStyle, + 2.3f))->unref(); -} + SkRect outer = SkRect::MakeXYWH(10.125f, 10.125f, 100, 100); + SkRect inner = SkRect::MakeXYWH(20, 20, 80, 80); + SkPath path; + path.addRect(outer, SkPath::kCW_Direction); + path.addRect(inner, SkPath::kCCW_Direction); + + canvas->drawPath(path, paint); + // important to translate by a factional amount (.25) to exercise a different "phase" + // of the same path w.r.t. the pixel grid + canvas->translate(SkScalarRoundToScalar(path.getBounds().width()) + 14 + 0.25f, 0); + canvas->drawPath(path, paint); + } +}; +DEF_GM( return new Blur2RectsGM; ) |