joshualitt | 1107e90 | 2015-05-11 14:52:11 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
| 7 | |
| 8 | #include "gm.h" |
| 9 | |
| 10 | #include "SkBlurMask.h" |
| 11 | #include "SkBlurMaskFilter.h" |
| 12 | #include "SkCanvas.h" |
| 13 | #include "SkTextBlob.h" |
| 14 | |
| 15 | // This test ensures that glyphs whose point size is less than the SkGlyphCache's maxmium, but |
| 16 | // who have a large blur, are still handled correctly |
| 17 | namespace skiagm { |
| 18 | class LargeGlyphBlur : public GM { |
| 19 | public: |
| 20 | LargeGlyphBlur() {} |
| 21 | |
| 22 | protected: |
| 23 | SkString onShortName() override { |
| 24 | return SkString("largeglyphblur"); |
| 25 | } |
| 26 | |
| 27 | SkISize onISize() override { |
| 28 | return SkISize::Make(kWidth, kHeight); |
| 29 | } |
| 30 | |
| 31 | void onDraw(SkCanvas* canvas) override { |
| 32 | const char text[] = "Hamburgefons"; |
| 33 | |
| 34 | SkPaint paint; |
| 35 | sk_tool_utils::set_portable_typeface(&paint); |
| 36 | paint.setTextSize(256); |
| 37 | paint.setAntiAlias(true); |
| 38 | |
| 39 | // setup up maskfilter |
| 40 | static const SkScalar kSigma = SkBlurMask::ConvertRadiusToSigma(SkIntToScalar(40)); |
| 41 | |
| 42 | SkPaint blurPaint(paint); |
| 43 | SkAutoTUnref<SkMaskFilter> mf(SkBlurMaskFilter::Create(kNormal_SkBlurStyle, kSigma)); |
| 44 | blurPaint.setMaskFilter(mf); |
| 45 | |
| 46 | SkTextBlobBuilder builder; |
| 47 | |
| 48 | sk_tool_utils::add_to_text_blob(&builder, text, paint, 0, 0); |
| 49 | |
| 50 | SkAutoTUnref<const SkTextBlob> blob(builder.build()); |
| 51 | canvas->drawTextBlob(blob.get(), 10, 200, blurPaint); |
| 52 | canvas->drawTextBlob(blob.get(), 10, 200, paint); |
| 53 | |
| 54 | size_t len = strlen(text); |
| 55 | canvas->drawText(text, len, 10, 500, blurPaint); |
| 56 | canvas->drawText(text, len, 10, 500, paint); |
| 57 | } |
| 58 | |
| 59 | private: |
| 60 | static const int kWidth = 1920; |
| 61 | static const int kHeight = 600; |
| 62 | |
| 63 | typedef GM INHERITED; |
| 64 | }; |
| 65 | |
| 66 | ////////////////////////////////////////////////////////////////////////////// |
| 67 | |
| 68 | DEF_GM( return SkNEW(LargeGlyphBlur); ) |
| 69 | } |