bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2015 Google Inc. |
| 3 | * |
| 4 | * Use of this source code is governed by a BSD-style license that can be |
| 5 | * found in the LICENSE file. |
| 6 | */ |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 7 | #include "gm/gm.h" |
| 8 | #include "include/core/SkFont.h" |
| 9 | #include "include/core/SkFontMgr.h" |
| 10 | #include "include/core/SkTypeface.h" |
| 11 | #include "include/private/SkFixed.h" |
| 12 | #include "src/core/SkFontDescriptor.h" |
| 13 | #include "tools/Resources.h" |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 14 | |
| 15 | namespace skiagm { |
| 16 | |
| 17 | class FontScalerDistortableGM : public GM { |
| 18 | public: |
| 19 | FontScalerDistortableGM() { |
| 20 | this->setBGColor(0xFFFFFFFF); |
| 21 | } |
| 22 | |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 23 | protected: |
| 24 | |
| 25 | SkString onShortName() override { |
| 26 | return SkString("fontscalerdistortable"); |
| 27 | } |
| 28 | |
| 29 | SkISize onISize() override { |
| 30 | return SkISize::Make(550, 700); |
| 31 | } |
| 32 | |
Chris Dalton | 50e24d7 | 2019-02-07 16:20:09 -0700 | [diff] [blame] | 33 | DrawResult onDraw(SkCanvas* canvas, SkString* errorMsg) override { |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 34 | SkPaint paint; |
| 35 | paint.setAntiAlias(true); |
Mike Reed | 2e6db18 | 2018-12-15 13:45:33 -0500 | [diff] [blame] | 36 | SkFont font; |
| 37 | font.setEdging(SkFont::Edging::kSubpixelAntiAlias); |
Hal Canary | cefc431 | 2016-11-04 16:26:16 -0400 | [diff] [blame] | 38 | sk_sp<SkFontMgr> fontMgr(SkFontMgr::RefDefault()); |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 39 | |
Bruce Wang | f0aacaf | 2018-06-07 17:19:14 -0400 | [diff] [blame] | 40 | std::unique_ptr<SkStreamAsset> distortableStream(GetResourceAsStream("fonts/Distortable.ttf")); |
| 41 | sk_sp<SkTypeface> distortable(MakeResourceAsTypeface("fonts/Distortable.ttf")); |
Hal Canary | d499817 | 2018-07-11 11:31:34 -0400 | [diff] [blame] | 42 | |
Bruce Wang | f0aacaf | 2018-06-07 17:19:14 -0400 | [diff] [blame] | 43 | if (!distortableStream) { |
Chris Dalton | 50e24d7 | 2019-02-07 16:20:09 -0700 | [diff] [blame] | 44 | *errorMsg = "No distortableStream"; |
| 45 | return DrawResult::kFail; |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 46 | } |
| 47 | const char* text = "abc"; |
| 48 | const size_t textLen = strlen(text); |
| 49 | |
| 50 | for (int j = 0; j < 2; ++j) { |
| 51 | for (int i = 0; i < 5; ++i) { |
| 52 | SkScalar x = SkIntToScalar(10); |
| 53 | SkScalar y = SkIntToScalar(20); |
| 54 | |
bungeman | f6c7107 | 2016-01-21 14:17:47 -0800 | [diff] [blame] | 55 | SkFourByteTag tag = SkSetFourByteTag('w','g','h','t'); |
Bruce Wang | f0aacaf | 2018-06-07 17:19:14 -0400 | [diff] [blame] | 56 | SkScalar styleValue = SkDoubleToScalar(0.5 + (5 * j + i) * ((2.0 - 0.5) / (2 * 5))); |
Ben Wagner | fc49734 | 2017-02-24 11:15:26 -0500 | [diff] [blame] | 57 | SkFontArguments::VariationPosition::Coordinate coordinates[] = {{tag, styleValue}}; |
| 58 | SkFontArguments::VariationPosition position = |
| 59 | { coordinates, SK_ARRAY_COUNT(coordinates) }; |
Bruce Wang | f0aacaf | 2018-06-07 17:19:14 -0400 | [diff] [blame] | 60 | if (j == 0 && distortable) { |
Ben Wagner | 2c2240f | 2019-04-17 16:04:30 -0400 | [diff] [blame] | 61 | sk_sp<SkTypeface> clone = distortable->makeClone( |
| 62 | SkFontArguments().setVariationDesignPosition(position)); |
| 63 | font.setTypeface(clone ? std::move(clone) : distortable); |
Bruce Wang | f0aacaf | 2018-06-07 17:19:14 -0400 | [diff] [blame] | 64 | } else { |
Ben Wagner | 2c2240f | 2019-04-17 16:04:30 -0400 | [diff] [blame] | 65 | font.setTypeface(fontMgr->makeFromStream( |
Bruce Wang | f0aacaf | 2018-06-07 17:19:14 -0400 | [diff] [blame] | 66 | distortableStream->duplicate(), |
Ben Wagner | 2c2240f | 2019-04-17 16:04:30 -0400 | [diff] [blame] | 67 | SkFontArguments().setVariationDesignPosition(position))); |
Bruce Wang | f0aacaf | 2018-06-07 17:19:14 -0400 | [diff] [blame] | 68 | } |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 69 | |
| 70 | SkAutoCanvasRestore acr(canvas, true); |
| 71 | canvas->translate(SkIntToScalar(30 + i * 100), SkIntToScalar(20)); |
bungeman | 7438bfc | 2016-07-12 15:01:19 -0700 | [diff] [blame] | 72 | canvas->rotate(SkIntToScalar(i * 5), x, y * 10); |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 73 | |
| 74 | { |
| 75 | SkPaint p; |
| 76 | p.setAntiAlias(true); |
| 77 | SkRect r; |
| 78 | r.set(x - SkIntToScalar(3), SkIntToScalar(15), |
| 79 | x - SkIntToScalar(1), SkIntToScalar(280)); |
| 80 | canvas->drawRect(r, p); |
| 81 | } |
| 82 | |
| 83 | for (int ps = 6; ps <= 22; ps++) { |
Mike Reed | 2e6db18 | 2018-12-15 13:45:33 -0500 | [diff] [blame] | 84 | font.setSize(SkIntToScalar(ps)); |
| 85 | canvas->drawSimpleText(text, textLen, kUTF8_SkTextEncoding, x, y, font, paint); |
| 86 | y += font.getMetrics(nullptr); |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 87 | } |
| 88 | } |
| 89 | canvas->translate(0, SkIntToScalar(360)); |
Mike Reed | 2e6db18 | 2018-12-15 13:45:33 -0500 | [diff] [blame] | 90 | font.setSubpixel(true); |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 91 | } |
Chris Dalton | 50e24d7 | 2019-02-07 16:20:09 -0700 | [diff] [blame] | 92 | return DrawResult::kOk; |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 93 | } |
| 94 | |
| 95 | private: |
| 96 | typedef GM INHERITED; |
| 97 | }; |
| 98 | |
| 99 | ////////////////////////////////////////////////////////////////////////////// |
| 100 | |
Hal Canary | e964c18 | 2019-01-23 10:22:01 -0500 | [diff] [blame] | 101 | DEF_GM( return new FontScalerDistortableGM; ) |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 102 | |
| 103 | } |