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 | */ |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 7 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 8 | #include "gm/gm.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 9 | #include "include/core/SkCanvas.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 10 | #include "include/core/SkFont.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 11 | #include "include/core/SkFontArguments.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 12 | #include "include/core/SkFontMgr.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 13 | #include "include/core/SkFontTypes.h" |
| 14 | #include "include/core/SkPaint.h" |
| 15 | #include "include/core/SkRect.h" |
| 16 | #include "include/core/SkRefCnt.h" |
| 17 | #include "include/core/SkScalar.h" |
| 18 | #include "include/core/SkSize.h" |
| 19 | #include "include/core/SkStream.h" |
| 20 | #include "include/core/SkString.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 21 | #include "include/core/SkTypeface.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 22 | #include "include/core/SkTypes.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 23 | #include "tools/Resources.h" |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 24 | |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 25 | #include <string.h> |
| 26 | #include <memory> |
| 27 | #include <utility> |
| 28 | |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 29 | namespace skiagm { |
| 30 | |
| 31 | class FontScalerDistortableGM : public GM { |
| 32 | public: |
| 33 | FontScalerDistortableGM() { |
| 34 | this->setBGColor(0xFFFFFFFF); |
| 35 | } |
| 36 | |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 37 | protected: |
| 38 | |
| 39 | SkString onShortName() override { |
| 40 | return SkString("fontscalerdistortable"); |
| 41 | } |
| 42 | |
| 43 | SkISize onISize() override { |
| 44 | return SkISize::Make(550, 700); |
| 45 | } |
| 46 | |
Chris Dalton | 50e24d7 | 2019-02-07 16:20:09 -0700 | [diff] [blame] | 47 | DrawResult onDraw(SkCanvas* canvas, SkString* errorMsg) override { |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 48 | SkPaint paint; |
| 49 | paint.setAntiAlias(true); |
Mike Reed | 2e6db18 | 2018-12-15 13:45:33 -0500 | [diff] [blame] | 50 | SkFont font; |
| 51 | font.setEdging(SkFont::Edging::kSubpixelAntiAlias); |
Hal Canary | cefc431 | 2016-11-04 16:26:16 -0400 | [diff] [blame] | 52 | sk_sp<SkFontMgr> fontMgr(SkFontMgr::RefDefault()); |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 53 | |
Bruce Wang | f0aacaf | 2018-06-07 17:19:14 -0400 | [diff] [blame] | 54 | std::unique_ptr<SkStreamAsset> distortableStream(GetResourceAsStream("fonts/Distortable.ttf")); |
| 55 | sk_sp<SkTypeface> distortable(MakeResourceAsTypeface("fonts/Distortable.ttf")); |
Hal Canary | d499817 | 2018-07-11 11:31:34 -0400 | [diff] [blame] | 56 | |
Bruce Wang | f0aacaf | 2018-06-07 17:19:14 -0400 | [diff] [blame] | 57 | if (!distortableStream) { |
Chris Dalton | 50e24d7 | 2019-02-07 16:20:09 -0700 | [diff] [blame] | 58 | *errorMsg = "No distortableStream"; |
| 59 | return DrawResult::kFail; |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 60 | } |
| 61 | const char* text = "abc"; |
| 62 | const size_t textLen = strlen(text); |
| 63 | |
| 64 | for (int j = 0; j < 2; ++j) { |
| 65 | for (int i = 0; i < 5; ++i) { |
| 66 | SkScalar x = SkIntToScalar(10); |
| 67 | SkScalar y = SkIntToScalar(20); |
| 68 | |
bungeman | f6c7107 | 2016-01-21 14:17:47 -0800 | [diff] [blame] | 69 | SkFourByteTag tag = SkSetFourByteTag('w','g','h','t'); |
Bruce Wang | f0aacaf | 2018-06-07 17:19:14 -0400 | [diff] [blame] | 70 | 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] | 71 | SkFontArguments::VariationPosition::Coordinate coordinates[] = {{tag, styleValue}}; |
| 72 | SkFontArguments::VariationPosition position = |
| 73 | { coordinates, SK_ARRAY_COUNT(coordinates) }; |
Bruce Wang | f0aacaf | 2018-06-07 17:19:14 -0400 | [diff] [blame] | 74 | if (j == 0 && distortable) { |
Ben Wagner | 2c2240f | 2019-04-17 16:04:30 -0400 | [diff] [blame] | 75 | sk_sp<SkTypeface> clone = distortable->makeClone( |
| 76 | SkFontArguments().setVariationDesignPosition(position)); |
| 77 | font.setTypeface(clone ? std::move(clone) : distortable); |
Bruce Wang | f0aacaf | 2018-06-07 17:19:14 -0400 | [diff] [blame] | 78 | } else { |
Ben Wagner | 2c2240f | 2019-04-17 16:04:30 -0400 | [diff] [blame] | 79 | font.setTypeface(fontMgr->makeFromStream( |
Bruce Wang | f0aacaf | 2018-06-07 17:19:14 -0400 | [diff] [blame] | 80 | distortableStream->duplicate(), |
Ben Wagner | 2c2240f | 2019-04-17 16:04:30 -0400 | [diff] [blame] | 81 | SkFontArguments().setVariationDesignPosition(position))); |
Bruce Wang | f0aacaf | 2018-06-07 17:19:14 -0400 | [diff] [blame] | 82 | } |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 83 | |
| 84 | SkAutoCanvasRestore acr(canvas, true); |
| 85 | canvas->translate(SkIntToScalar(30 + i * 100), SkIntToScalar(20)); |
bungeman | 7438bfc | 2016-07-12 15:01:19 -0700 | [diff] [blame] | 86 | canvas->rotate(SkIntToScalar(i * 5), x, y * 10); |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 87 | |
| 88 | { |
| 89 | SkPaint p; |
| 90 | p.setAntiAlias(true); |
| 91 | SkRect r; |
| 92 | r.set(x - SkIntToScalar(3), SkIntToScalar(15), |
| 93 | x - SkIntToScalar(1), SkIntToScalar(280)); |
| 94 | canvas->drawRect(r, p); |
| 95 | } |
| 96 | |
| 97 | for (int ps = 6; ps <= 22; ps++) { |
Mike Reed | 2e6db18 | 2018-12-15 13:45:33 -0500 | [diff] [blame] | 98 | font.setSize(SkIntToScalar(ps)); |
Ben Wagner | 51e15a6 | 2019-05-07 15:38:46 -0400 | [diff] [blame] | 99 | canvas->drawSimpleText(text, textLen, SkTextEncoding::kUTF8, x, y, font, paint); |
Mike Reed | 2e6db18 | 2018-12-15 13:45:33 -0500 | [diff] [blame] | 100 | y += font.getMetrics(nullptr); |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 101 | } |
| 102 | } |
| 103 | canvas->translate(0, SkIntToScalar(360)); |
Mike Reed | 2e6db18 | 2018-12-15 13:45:33 -0500 | [diff] [blame] | 104 | font.setSubpixel(true); |
Ben Wagner | f460eee | 2019-04-18 16:37:45 -0400 | [diff] [blame] | 105 | font.setLinearMetrics(true); |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 106 | } |
Chris Dalton | 50e24d7 | 2019-02-07 16:20:09 -0700 | [diff] [blame] | 107 | return DrawResult::kOk; |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 108 | } |
| 109 | |
| 110 | private: |
| 111 | typedef GM INHERITED; |
| 112 | }; |
| 113 | |
| 114 | ////////////////////////////////////////////////////////////////////////////// |
| 115 | |
Hal Canary | e964c18 | 2019-01-23 10:22:01 -0500 | [diff] [blame] | 116 | DEF_GM( return new FontScalerDistortableGM; ) |
bungeman | 41868fe | 2015-05-20 09:21:04 -0700 | [diff] [blame] | 117 | |
| 118 | } |