scroggo@google.com | 3cb969f | 2012-07-27 20:39:19 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2012 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 | */ |
| 7 | |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 8 | #include "gm/gm.h" |
| 9 | #include "include/core/SkBlurTypes.h" |
| 10 | #include "include/core/SkCanvas.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 11 | #include "include/core/SkFont.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 12 | #include "include/core/SkFontStyle.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 13 | #include "include/core/SkFontTypes.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 14 | #include "include/core/SkMaskFilter.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 15 | #include "include/core/SkPaint.h" |
| 16 | #include "include/core/SkPoint.h" |
| 17 | #include "include/core/SkRefCnt.h" |
| 18 | #include "include/core/SkScalar.h" |
| 19 | #include "include/core/SkSize.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 20 | #include "include/core/SkString.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 21 | #include "include/core/SkTextBlob.h" |
| 22 | #include "include/core/SkTypeface.h" |
| 23 | #include "include/core/SkTypes.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 24 | #include "include/private/SkTemplates.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 25 | #include "tools/Resources.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 26 | |
| 27 | #include <string.h> |
| 28 | #include <utility> |
scroggo@google.com | 3cb969f | 2012-07-27 20:39:19 +0000 | [diff] [blame] | 29 | |
Mike Reed | 088b74e | 2018-12-24 14:52:46 -0500 | [diff] [blame] | 30 | static void getGlyphPositions(const SkFont& font, const uint16_t glyphs[], |
reed@google.com | 35fe737 | 2013-10-30 15:07:03 +0000 | [diff] [blame] | 31 | int count, SkScalar x, SkScalar y, SkPoint pos[]) { |
reed@google.com | 35fe737 | 2013-10-30 15:07:03 +0000 | [diff] [blame] | 32 | SkAutoSTMalloc<128, SkScalar> widthStorage(count); |
| 33 | SkScalar* widths = widthStorage.get(); |
Mike Reed | 088b74e | 2018-12-24 14:52:46 -0500 | [diff] [blame] | 34 | font.getWidths(glyphs, count, widths); |
skia.committer@gmail.com | 7ed98df | 2013-10-31 07:01:53 +0000 | [diff] [blame] | 35 | |
reed@google.com | 35fe737 | 2013-10-30 15:07:03 +0000 | [diff] [blame] | 36 | for (int i = 0; i < count; ++i) { |
| 37 | pos[i].set(x, y); |
| 38 | x += widths[i]; |
| 39 | } |
| 40 | } |
| 41 | |
| 42 | static void applyKerning(SkPoint pos[], const int32_t adjustments[], int count, |
Mike Reed | 088b74e | 2018-12-24 14:52:46 -0500 | [diff] [blame] | 43 | const SkFont& font) { |
Herb Derby | 087fad7 | 2019-01-22 14:45:16 -0500 | [diff] [blame] | 44 | SkScalar scale = font.getSize() / font.getTypefaceOrDefault()->getUnitsPerEm(); |
reed@google.com | 35fe737 | 2013-10-30 15:07:03 +0000 | [diff] [blame] | 45 | |
| 46 | SkScalar globalAdj = 0; |
| 47 | for (int i = 0; i < count - 1; ++i) { |
| 48 | globalAdj += adjustments[i] * scale; |
| 49 | pos[i + 1].fX += globalAdj; |
| 50 | } |
| 51 | } |
| 52 | |
| 53 | static void drawKernText(SkCanvas* canvas, const void* text, size_t len, |
Mike Reed | 088b74e | 2018-12-24 14:52:46 -0500 | [diff] [blame] | 54 | SkScalar x, SkScalar y, const SkFont& font, const SkPaint& paint) { |
Herb Derby | 087fad7 | 2019-01-22 14:45:16 -0500 | [diff] [blame] | 55 | SkTypeface* face = font.getTypefaceOrDefault(); |
reed@google.com | 35fe737 | 2013-10-30 15:07:03 +0000 | [diff] [blame] | 56 | if (!face) { |
Ben Wagner | 51e15a6 | 2019-05-07 15:38:46 -0400 | [diff] [blame] | 57 | canvas->drawSimpleText(text, len, SkTextEncoding::kUTF8, x, y, font, paint); |
reed@google.com | 35fe737 | 2013-10-30 15:07:03 +0000 | [diff] [blame] | 58 | return; |
| 59 | } |
| 60 | |
| 61 | SkAutoSTMalloc<128, uint16_t> glyphStorage(len); |
| 62 | uint16_t* glyphs = glyphStorage.get(); |
Ben Wagner | 51e15a6 | 2019-05-07 15:38:46 -0400 | [diff] [blame] | 63 | int glyphCount = font.textToGlyphs(text, len, SkTextEncoding::kUTF8, glyphs, len); |
reed@google.com | 35fe737 | 2013-10-30 15:07:03 +0000 | [diff] [blame] | 64 | if (glyphCount < 1) { |
| 65 | return; |
| 66 | } |
| 67 | |
| 68 | SkAutoSTMalloc<128, int32_t> adjustmentStorage(glyphCount - 1); |
| 69 | int32_t* adjustments = adjustmentStorage.get(); |
| 70 | if (!face->getKerningPairAdjustments(glyphs, glyphCount, adjustments)) { |
Ben Wagner | 51e15a6 | 2019-05-07 15:38:46 -0400 | [diff] [blame] | 71 | canvas->drawSimpleText(text, len, SkTextEncoding::kUTF8, x, y, font, paint); |
reed@google.com | 35fe737 | 2013-10-30 15:07:03 +0000 | [diff] [blame] | 72 | return; |
| 73 | } |
| 74 | |
reed@google.com | 35fe737 | 2013-10-30 15:07:03 +0000 | [diff] [blame] | 75 | |
Mike Reed | 088b74e | 2018-12-24 14:52:46 -0500 | [diff] [blame] | 76 | SkTextBlobBuilder builder; |
| 77 | auto rec = builder.allocRunPos(font, glyphCount); |
| 78 | memcpy(rec.glyphs, glyphs, glyphCount * sizeof(SkGlyphID)); |
Mike Reed | 22451cc | 2019-01-01 15:40:28 -0500 | [diff] [blame] | 79 | getGlyphPositions(font, glyphs, glyphCount, x, y, rec.points()); |
| 80 | applyKerning(rec.points(), adjustments, glyphCount, font); |
reed@google.com | 35fe737 | 2013-10-30 15:07:03 +0000 | [diff] [blame] | 81 | |
Mike Reed | 088b74e | 2018-12-24 14:52:46 -0500 | [diff] [blame] | 82 | canvas->drawTextBlob(builder.make(), 0, 0, paint); |
reed@google.com | 35fe737 | 2013-10-30 15:07:03 +0000 | [diff] [blame] | 83 | } |
| 84 | |
Mike Klein | cb9fc41 | 2017-11-14 10:45:32 -0500 | [diff] [blame] | 85 | static constexpr SkFontStyle gStyles[] = { |
| 86 | SkFontStyle::Normal(), |
| 87 | SkFontStyle::Bold(), |
| 88 | SkFontStyle::Italic(), |
| 89 | SkFontStyle::BoldItalic(), |
reed@google.com | 92abe48 | 2013-02-26 16:57:16 +0000 | [diff] [blame] | 90 | }; |
scroggo@google.com | 3cb969f | 2012-07-27 20:39:19 +0000 | [diff] [blame] | 91 | |
Mike Klein | cb9fc41 | 2017-11-14 10:45:32 -0500 | [diff] [blame] | 92 | constexpr int gStylesCount = SK_ARRAY_COUNT(gStyles); |
reed@google.com | 92abe48 | 2013-02-26 16:57:16 +0000 | [diff] [blame] | 93 | |
| 94 | class TypefaceStylesGM : public skiagm::GM { |
Mike Klein | cb9fc41 | 2017-11-14 10:45:32 -0500 | [diff] [blame] | 95 | sk_sp<SkTypeface> fFaces[gStylesCount]; |
reed@google.com | 35fe737 | 2013-10-30 15:07:03 +0000 | [diff] [blame] | 96 | bool fApplyKerning; |
skia.committer@gmail.com | 12eea2b | 2013-02-27 07:10:10 +0000 | [diff] [blame] | 97 | |
reed@google.com | 92abe48 | 2013-02-26 16:57:16 +0000 | [diff] [blame] | 98 | public: |
Ben Wagner | 83c6b96 | 2018-07-10 19:40:15 -0400 | [diff] [blame] | 99 | TypefaceStylesGM(bool applyKerning) : fApplyKerning(applyKerning) {} |
skia.committer@gmail.com | 12eea2b | 2013-02-27 07:10:10 +0000 | [diff] [blame] | 100 | |
reed@google.com | 92abe48 | 2013-02-26 16:57:16 +0000 | [diff] [blame] | 101 | protected: |
kkinnunen | b4a797f | 2015-05-21 06:15:28 -0700 | [diff] [blame] | 102 | void onOnceBeforeDraw() override { |
Mike Klein | cb9fc41 | 2017-11-14 10:45:32 -0500 | [diff] [blame] | 103 | for (int i = 0; i < gStylesCount; i++) { |
| 104 | fFaces[i] = SkTypeface::MakeFromName(nullptr, gStyles[i]); |
kkinnunen | b4a797f | 2015-05-21 06:15:28 -0700 | [diff] [blame] | 105 | } |
| 106 | } |
| 107 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 108 | SkString onShortName() override { |
reed@google.com | 35fe737 | 2013-10-30 15:07:03 +0000 | [diff] [blame] | 109 | SkString name("typefacestyles"); |
| 110 | if (fApplyKerning) { |
| 111 | name.append("_kerning"); |
| 112 | } |
| 113 | return name; |
reed@google.com | 92abe48 | 2013-02-26 16:57:16 +0000 | [diff] [blame] | 114 | } |
skia.committer@gmail.com | 12eea2b | 2013-02-27 07:10:10 +0000 | [diff] [blame] | 115 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 116 | SkISize onISize() override { |
reed@google.com | 92abe48 | 2013-02-26 16:57:16 +0000 | [diff] [blame] | 117 | return SkISize::Make(640, 480); |
| 118 | } |
skia.committer@gmail.com | 12eea2b | 2013-02-27 07:10:10 +0000 | [diff] [blame] | 119 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 120 | void onDraw(SkCanvas* canvas) override { |
Mike Reed | 088b74e | 2018-12-24 14:52:46 -0500 | [diff] [blame] | 121 | SkFont font; |
| 122 | font.setSize(30); |
skia.committer@gmail.com | 12eea2b | 2013-02-27 07:10:10 +0000 | [diff] [blame] | 123 | |
reed@google.com | 35fe737 | 2013-10-30 15:07:03 +0000 | [diff] [blame] | 124 | const char* text = fApplyKerning ? "Type AWAY" : "Hamburgefons"; |
reed@google.com | 92abe48 | 2013-02-26 16:57:16 +0000 | [diff] [blame] | 125 | const size_t textLen = strlen(text); |
skia.committer@gmail.com | 12eea2b | 2013-02-27 07:10:10 +0000 | [diff] [blame] | 126 | |
reed@google.com | 92abe48 | 2013-02-26 16:57:16 +0000 | [diff] [blame] | 127 | SkScalar x = SkIntToScalar(10); |
Mike Reed | 088b74e | 2018-12-24 14:52:46 -0500 | [diff] [blame] | 128 | SkScalar dy = font.getMetrics(nullptr); |
reed@google.com | 92abe48 | 2013-02-26 16:57:16 +0000 | [diff] [blame] | 129 | SkScalar y = dy; |
skia.committer@gmail.com | 12eea2b | 2013-02-27 07:10:10 +0000 | [diff] [blame] | 130 | |
reed@google.com | 35fe737 | 2013-10-30 15:07:03 +0000 | [diff] [blame] | 131 | if (fApplyKerning) { |
Mike Reed | 088b74e | 2018-12-24 14:52:46 -0500 | [diff] [blame] | 132 | font.setSubpixel(true); |
reed@google.com | 35fe737 | 2013-10-30 15:07:03 +0000 | [diff] [blame] | 133 | } else { |
Mike Reed | 088b74e | 2018-12-24 14:52:46 -0500 | [diff] [blame] | 134 | font.setLinearMetrics(true); |
reed@google.com | 35fe737 | 2013-10-30 15:07:03 +0000 | [diff] [blame] | 135 | } |
Mike Reed | 088b74e | 2018-12-24 14:52:46 -0500 | [diff] [blame] | 136 | |
| 137 | SkPaint paint; |
Mike Klein | cb9fc41 | 2017-11-14 10:45:32 -0500 | [diff] [blame] | 138 | for (int i = 0; i < gStylesCount; i++) { |
Mike Reed | 088b74e | 2018-12-24 14:52:46 -0500 | [diff] [blame] | 139 | font.setTypeface(fFaces[i]); |
Ben Wagner | 51e15a6 | 2019-05-07 15:38:46 -0400 | [diff] [blame] | 140 | canvas->drawSimpleText(text, textLen, SkTextEncoding::kUTF8, x, y, font, paint); |
reed@google.com | 35fe737 | 2013-10-30 15:07:03 +0000 | [diff] [blame] | 141 | if (fApplyKerning) { |
Mike Reed | 088b74e | 2018-12-24 14:52:46 -0500 | [diff] [blame] | 142 | drawKernText(canvas, text, textLen, x + 240, y, font, paint); |
reed@google.com | 35fe737 | 2013-10-30 15:07:03 +0000 | [diff] [blame] | 143 | } |
reed@google.com | 92abe48 | 2013-02-26 16:57:16 +0000 | [diff] [blame] | 144 | y += dy; |
| 145 | } |
| 146 | } |
skia.committer@gmail.com | 12eea2b | 2013-02-27 07:10:10 +0000 | [diff] [blame] | 147 | |
reed@google.com | 92abe48 | 2013-02-26 16:57:16 +0000 | [diff] [blame] | 148 | private: |
| 149 | typedef skiagm::GM INHERITED; |
| 150 | }; |
skia.committer@gmail.com | 12eea2b | 2013-02-27 07:10:10 +0000 | [diff] [blame] | 151 | |
halcanary | 4ecf0d4 | 2016-09-20 13:11:01 -0700 | [diff] [blame] | 152 | DEF_GM( return new TypefaceStylesGM(false); ) |
| 153 | DEF_GM( return new TypefaceStylesGM(true); ) |
bungeman | 61457a6 | 2016-07-06 11:55:05 -0700 | [diff] [blame] | 154 | |
halcanary | 4ecf0d4 | 2016-09-20 13:11:01 -0700 | [diff] [blame] | 155 | //////////////////////////////////////////////////////////////////////////////// |
bungeman | 61457a6 | 2016-07-06 11:55:05 -0700 | [diff] [blame] | 156 | |
halcanary | 4ecf0d4 | 2016-09-20 13:11:01 -0700 | [diff] [blame] | 157 | static void draw_typeface_rendering_gm(SkCanvas* canvas, sk_sp<SkTypeface> face, |
| 158 | char character = 'A') { |
Ben Wagner | e3f1b59 | 2018-05-10 15:24:20 -0400 | [diff] [blame] | 159 | struct AliasType { |
Ben Wagner | 86c9c95 | 2019-02-22 11:34:49 -0500 | [diff] [blame] | 160 | SkFont::Edging edging; |
Ben Wagner | e3f1b59 | 2018-05-10 15:24:20 -0400 | [diff] [blame] | 161 | bool inLayer; |
| 162 | } constexpr aliasTypes[] { |
bungeman | f382b48 | 2016-07-13 14:00:39 -0700 | [diff] [blame] | 163 | #ifndef SK_BUILD_FOR_IOS |
Ben Wagner | e3f1b59 | 2018-05-10 15:24:20 -0400 | [diff] [blame] | 164 | // This gm crashes on iOS when drawing an embedded bitmap when requesting aliased rendering. |
| 165 | // The crash looks like |
| 166 | // libTrueTypeScaler.dylib`<redacted> + 80 |
| 167 | // stop reason = EXC_BAD_ACCESS (code=EXC_ARM_DA_ALIGN, address=...) |
| 168 | // -> 0x330b19d0 <+80>: strd r2, r3, [r5, #36] |
| 169 | // 0x330b19d4 <+84>: movs r3, #0x0 |
| 170 | // 0x330b19d6 <+86>: add r2, sp, #0x28 |
| 171 | // 0x330b19d8 <+88>: ldr r0, [r4, #0x4] |
| 172 | // Disable testing embedded bitmaps on iOS for now. |
| 173 | // See https://bug.skia.org/5530 . |
Ben Wagner | 86c9c95 | 2019-02-22 11:34:49 -0500 | [diff] [blame] | 174 | { SkFont::Edging::kAlias , false }, |
bungeman | f382b48 | 2016-07-13 14:00:39 -0700 | [diff] [blame] | 175 | #endif |
Ben Wagner | 86c9c95 | 2019-02-22 11:34:49 -0500 | [diff] [blame] | 176 | { SkFont::Edging::kAntiAlias , false }, |
| 177 | { SkFont::Edging::kSubpixelAntiAlias, false }, |
| 178 | { SkFont::Edging::kAntiAlias , true }, |
| 179 | { SkFont::Edging::kSubpixelAntiAlias, true }, |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 180 | }; |
| 181 | |
Ben Wagner | e3f1b59 | 2018-05-10 15:24:20 -0400 | [diff] [blame] | 182 | // The hintgasp.ttf is designed for the following sizes to be different. |
| 183 | // GASP_DOGRAY 0x0002 0<=ppem<=10 |
| 184 | // GASP_SYMMETRIC_SMOOTHING 0x0008 0<=ppem<=10 |
| 185 | // GASP_GRIDFIT 0x0001 11<=ppem<=12 |
| 186 | // GASP_SYMMETRIC_GRIDFIT 0x0004 11<=ppem<=12 |
| 187 | // GASP_DOGRAY|GASP_GRIDFIT 0x0003 13<=ppem<=14 |
| 188 | // GASP_SYMMETRIC_SMOOTHING|GASP_SYMMETRIC_GRIDFIT 0x000C 13<=ppem<=14 |
| 189 | // (neither) 0x0000 15<=ppem |
| 190 | // Odd sizes have embedded bitmaps. |
| 191 | constexpr SkScalar textSizes[] = { 9, 10, 11, 12, 13, 14, 15, 16 }; |
bungeman | 61457a6 | 2016-07-06 11:55:05 -0700 | [diff] [blame] | 192 | |
Mike Reed | 9edbf42 | 2018-11-07 19:54:33 -0500 | [diff] [blame] | 193 | constexpr SkFontHinting hintingTypes[] = { |
Ben Wagner | 5785e4a | 2019-05-07 16:50:29 -0400 | [diff] [blame] | 194 | SkFontHinting::kNone, |
| 195 | SkFontHinting::kSlight, |
| 196 | SkFontHinting::kNormal, |
| 197 | SkFontHinting::kFull |
Mike Reed | 9edbf42 | 2018-11-07 19:54:33 -0500 | [diff] [blame] | 198 | }; |
bungeman | 61457a6 | 2016-07-06 11:55:05 -0700 | [diff] [blame] | 199 | |
Ben Wagner | e3f1b59 | 2018-05-10 15:24:20 -0400 | [diff] [blame] | 200 | struct SubpixelType { |
| 201 | bool requested; |
| 202 | SkVector offset; |
| 203 | } constexpr subpixelTypes[] = { |
| 204 | { false, { 0.00, 0.00 } }, |
| 205 | { true , { 0.00, 0.00 } }, |
| 206 | { true , { 0.25, 0.00 } }, |
| 207 | { true , { 0.25, 0.25 } }, |
| 208 | }; |
bungeman | 61457a6 | 2016-07-06 11:55:05 -0700 | [diff] [blame] | 209 | |
Ben Wagner | e3f1b59 | 2018-05-10 15:24:20 -0400 | [diff] [blame] | 210 | constexpr bool rotateABitTypes[] = { false, true }; |
bungeman | 61457a6 | 2016-07-06 11:55:05 -0700 | [diff] [blame] | 211 | |
Ben Wagner | e3f1b59 | 2018-05-10 15:24:20 -0400 | [diff] [blame] | 212 | SkScalar y = 0; // The baseline of the previous output |
| 213 | { |
bungeman | 61457a6 | 2016-07-06 11:55:05 -0700 | [diff] [blame] | 214 | SkPaint paint; |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 215 | |
| 216 | SkFont font(face); |
| 217 | font.setEmbeddedBitmaps(true); |
bungeman | 5dba301 | 2016-07-12 06:55:25 -0700 | [diff] [blame] | 218 | |
bungeman | 61457a6 | 2016-07-06 11:55:05 -0700 | [diff] [blame] | 219 | SkScalar x = 0; |
| 220 | SkScalar xMax = x; |
| 221 | SkScalar xBase = 0; |
bungeman | 61457a6 | 2016-07-06 11:55:05 -0700 | [diff] [blame] | 222 | for (const SubpixelType subpixel : subpixelTypes) { |
| 223 | y = 0; |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 224 | font.setSubpixel(subpixel.requested); |
bungeman | 61457a6 | 2016-07-06 11:55:05 -0700 | [diff] [blame] | 225 | |
| 226 | for (const AliasType& alias : aliasTypes) { |
Ben Wagner | 86c9c95 | 2019-02-22 11:34:49 -0500 | [diff] [blame] | 227 | font.setEdging(alias.edging); |
bungeman | 61457a6 | 2016-07-06 11:55:05 -0700 | [diff] [blame] | 228 | SkAutoCanvasRestore acr(canvas, false); |
| 229 | if (alias.inLayer) { |
| 230 | canvas->saveLayer(nullptr, &paint); |
| 231 | } |
| 232 | |
| 233 | for (const SkScalar& textSize : textSizes) { |
| 234 | x = xBase + 5; |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 235 | font.setSize(textSize); |
bungeman | 61457a6 | 2016-07-06 11:55:05 -0700 | [diff] [blame] | 236 | |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 237 | SkScalar dy = SkScalarCeilToScalar(font.getMetrics(nullptr)); |
bungeman | 61457a6 | 2016-07-06 11:55:05 -0700 | [diff] [blame] | 238 | y += dy; |
Mike Reed | 9edbf42 | 2018-11-07 19:54:33 -0500 | [diff] [blame] | 239 | for (const SkFontHinting& hinting : hintingTypes) { |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 240 | font.setHinting(hinting); |
bungeman | 61457a6 | 2016-07-06 11:55:05 -0700 | [diff] [blame] | 241 | |
| 242 | for (const bool& rotateABit : rotateABitTypes) { |
| 243 | SkAutoCanvasRestore acr(canvas, true); |
| 244 | if (rotateABit) { |
bungeman | 7438bfc | 2016-07-12 15:01:19 -0700 | [diff] [blame] | 245 | canvas->rotate(2, x + subpixel.offset.x(), |
| 246 | y + subpixel.offset.y()); |
bungeman | 61457a6 | 2016-07-06 11:55:05 -0700 | [diff] [blame] | 247 | } |
Ben Wagner | 51e15a6 | 2019-05-07 15:38:46 -0400 | [diff] [blame] | 248 | canvas->drawSimpleText(&character, 1, SkTextEncoding::kUTF8, |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 249 | x + subpixel.offset.x(), |
| 250 | y + subpixel.offset.y(), font, paint); |
bungeman | 61457a6 | 2016-07-06 11:55:05 -0700 | [diff] [blame] | 251 | |
halcanary | 4ecf0d4 | 2016-09-20 13:11:01 -0700 | [diff] [blame] | 252 | SkScalar dx = SkScalarCeilToScalar( |
Ben Wagner | 51e15a6 | 2019-05-07 15:38:46 -0400 | [diff] [blame] | 253 | font.measureText(&character, 1, SkTextEncoding::kUTF8)) + 5; |
bungeman | 61457a6 | 2016-07-06 11:55:05 -0700 | [diff] [blame] | 254 | x += dx; |
| 255 | xMax = SkTMax(x, xMax); |
| 256 | } |
| 257 | } |
| 258 | } |
| 259 | y += 10; |
| 260 | } |
| 261 | xBase = xMax; |
| 262 | } |
Ben Wagner | e3f1b59 | 2018-05-10 15:24:20 -0400 | [diff] [blame] | 263 | } |
| 264 | |
| 265 | constexpr struct StyleTests { |
| 266 | SkPaint::Style style; |
| 267 | SkScalar strokeWidth; |
| 268 | } styleTypes[] = { |
| 269 | { SkPaint::kFill_Style, 0.0f}, |
| 270 | { SkPaint::kStroke_Style, 0.0f}, |
| 271 | { SkPaint::kStroke_Style, 0.5f}, |
| 272 | { SkPaint::kStrokeAndFill_Style, 1.0f}, |
| 273 | }; |
| 274 | |
| 275 | constexpr bool fakeBoldTypes[] = { false, true }; |
| 276 | |
| 277 | { |
| 278 | SkPaint paint; |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 279 | |
| 280 | SkFont font(face, 16); |
Ben Wagner | e3f1b59 | 2018-05-10 15:24:20 -0400 | [diff] [blame] | 281 | |
| 282 | SkScalar x = 0; |
| 283 | for (const bool& fakeBold : fakeBoldTypes) { |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 284 | SkScalar dy = SkScalarCeilToScalar(font.getMetrics(nullptr)); |
Ben Wagner | e3f1b59 | 2018-05-10 15:24:20 -0400 | [diff] [blame] | 285 | y += dy; |
| 286 | x = 5; |
| 287 | |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 288 | font.setEmbolden(fakeBold); |
Ben Wagner | e3f1b59 | 2018-05-10 15:24:20 -0400 | [diff] [blame] | 289 | for (const AliasType& alias : aliasTypes) { |
Ben Wagner | 86c9c95 | 2019-02-22 11:34:49 -0500 | [diff] [blame] | 290 | font.setEdging(alias.edging); |
Ben Wagner | e3f1b59 | 2018-05-10 15:24:20 -0400 | [diff] [blame] | 291 | SkAutoCanvasRestore acr(canvas, false); |
| 292 | if (alias.inLayer) { |
| 293 | canvas->saveLayer(nullptr, &paint); |
| 294 | } |
| 295 | for (const StyleTests& style : styleTypes) { |
| 296 | paint.setStyle(style.style); |
| 297 | paint.setStrokeWidth(style.strokeWidth); |
Ben Wagner | 51e15a6 | 2019-05-07 15:38:46 -0400 | [diff] [blame] | 298 | canvas->drawSimpleText(&character, 1, SkTextEncoding::kUTF8, x, y, font, paint); |
Ben Wagner | e3f1b59 | 2018-05-10 15:24:20 -0400 | [diff] [blame] | 299 | |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 300 | SkScalar dx = SkScalarCeilToScalar(font.measureText(&character, 1, |
Ben Wagner | 51e15a6 | 2019-05-07 15:38:46 -0400 | [diff] [blame] | 301 | SkTextEncoding::kUTF8)) + 5; |
Ben Wagner | e3f1b59 | 2018-05-10 15:24:20 -0400 | [diff] [blame] | 302 | x += dx; |
| 303 | } |
| 304 | } |
| 305 | y += 10; |
| 306 | } |
| 307 | } |
| 308 | |
| 309 | constexpr struct MaskTests { |
| 310 | SkBlurStyle style; |
| 311 | SkScalar sigma; |
| 312 | } maskTypes[] = { |
| 313 | { SkBlurStyle::kNormal_SkBlurStyle, 0.0f}, |
| 314 | { SkBlurStyle::kSolid_SkBlurStyle, 0.0f}, |
| 315 | { SkBlurStyle::kOuter_SkBlurStyle, 0.0f}, |
| 316 | { SkBlurStyle::kInner_SkBlurStyle, 0.0f}, |
| 317 | |
| 318 | { SkBlurStyle::kNormal_SkBlurStyle, 0.5f}, |
| 319 | { SkBlurStyle::kSolid_SkBlurStyle, 0.5f}, |
| 320 | { SkBlurStyle::kOuter_SkBlurStyle, 0.5f}, |
| 321 | { SkBlurStyle::kInner_SkBlurStyle, 0.5f}, |
| 322 | |
| 323 | { SkBlurStyle::kNormal_SkBlurStyle, 2.0f}, |
| 324 | { SkBlurStyle::kSolid_SkBlurStyle, 2.0f}, |
| 325 | { SkBlurStyle::kOuter_SkBlurStyle, 2.0f}, |
| 326 | { SkBlurStyle::kInner_SkBlurStyle, 2.0f}, |
| 327 | }; |
| 328 | |
| 329 | { |
| 330 | SkPaint paint; |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 331 | |
| 332 | SkFont font(face, 16); |
Ben Wagner | e3f1b59 | 2018-05-10 15:24:20 -0400 | [diff] [blame] | 333 | |
| 334 | SkScalar x = 0; |
| 335 | { |
| 336 | for (const AliasType& alias : aliasTypes) { |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 337 | SkScalar dy = SkScalarCeilToScalar(font.getMetrics(nullptr)); |
Ben Wagner | e3f1b59 | 2018-05-10 15:24:20 -0400 | [diff] [blame] | 338 | y += dy; |
| 339 | x = 5; |
| 340 | |
Ben Wagner | 86c9c95 | 2019-02-22 11:34:49 -0500 | [diff] [blame] | 341 | font.setEdging(alias.edging); |
Ben Wagner | e3f1b59 | 2018-05-10 15:24:20 -0400 | [diff] [blame] | 342 | SkAutoCanvasRestore acr(canvas, false); |
| 343 | if (alias.inLayer) { |
| 344 | canvas->saveLayer(nullptr, &paint); |
| 345 | } |
| 346 | for (const MaskTests& mask : maskTypes) { |
| 347 | paint.setMaskFilter(SkMaskFilter::MakeBlur(mask.style, mask.sigma)); |
Ben Wagner | 51e15a6 | 2019-05-07 15:38:46 -0400 | [diff] [blame] | 348 | canvas->drawSimpleText(&character, 1, SkTextEncoding::kUTF8, x, y, font, paint); |
Ben Wagner | e3f1b59 | 2018-05-10 15:24:20 -0400 | [diff] [blame] | 349 | |
Mike Reed | 9191913 | 2019-01-02 12:21:01 -0500 | [diff] [blame] | 350 | SkScalar dx = SkScalarCeilToScalar(font.measureText(&character, 1, |
Ben Wagner | 51e15a6 | 2019-05-07 15:38:46 -0400 | [diff] [blame] | 351 | SkTextEncoding::kUTF8)) + 5; |
Ben Wagner | e3f1b59 | 2018-05-10 15:24:20 -0400 | [diff] [blame] | 352 | x += dx; |
| 353 | } |
| 354 | paint.setMaskFilter(nullptr); |
| 355 | } |
| 356 | y += 10; |
| 357 | } |
| 358 | } |
halcanary | 4ecf0d4 | 2016-09-20 13:11:01 -0700 | [diff] [blame] | 359 | } |
| 360 | |
Mike Klein | bea1f94 | 2019-03-08 11:11:55 -0600 | [diff] [blame] | 361 | DEF_SIMPLE_GM(typefacerendering, canvas, 640, 840) { |
Hal Canary | 53e5e7d | 2017-12-08 14:25:14 -0500 | [diff] [blame] | 362 | if (sk_sp<SkTypeface> face = MakeResourceAsTypeface("fonts/hintgasp.ttf")) { |
halcanary | 4ecf0d4 | 2016-09-20 13:11:01 -0700 | [diff] [blame] | 363 | draw_typeface_rendering_gm(canvas, std::move(face)); |
bungeman | 61457a6 | 2016-07-06 11:55:05 -0700 | [diff] [blame] | 364 | } |
halcanary | 4ecf0d4 | 2016-09-20 13:11:01 -0700 | [diff] [blame] | 365 | } |
bungeman | 61457a6 | 2016-07-06 11:55:05 -0700 | [diff] [blame] | 366 | |
halcanary | 4ecf0d4 | 2016-09-20 13:11:01 -0700 | [diff] [blame] | 367 | // Type1 fonts don't currently work in Skia on Windows. |
| 368 | #ifndef SK_BUILD_FOR_WIN |
bungeman | 61457a6 | 2016-07-06 11:55:05 -0700 | [diff] [blame] | 369 | |
Mike Klein | bea1f94 | 2019-03-08 11:11:55 -0600 | [diff] [blame] | 370 | DEF_SIMPLE_GM(typefacerendering_pfa, canvas, 640, 840) { |
halcanary | 4ecf0d4 | 2016-09-20 13:11:01 -0700 | [diff] [blame] | 371 | if (sk_sp<SkTypeface> face = MakeResourceAsTypeface("fonts/Roboto2-Regular.pfa")) { |
| 372 | // This subsetted typeface doesn't have the character 'A'. |
| 373 | draw_typeface_rendering_gm(canvas, std::move(face), 'O'); |
| 374 | } |
| 375 | } |
reed@google.com | 92abe48 | 2013-02-26 16:57:16 +0000 | [diff] [blame] | 376 | |
Mike Klein | bea1f94 | 2019-03-08 11:11:55 -0600 | [diff] [blame] | 377 | DEF_SIMPLE_GM(typefacerendering_pfb, canvas, 640, 840) { |
halcanary | 4ecf0d4 | 2016-09-20 13:11:01 -0700 | [diff] [blame] | 378 | if (sk_sp<SkTypeface> face = MakeResourceAsTypeface("fonts/Roboto2-Regular.pfb")) { |
| 379 | draw_typeface_rendering_gm(canvas, std::move(face), 'O'); |
| 380 | } |
| 381 | } |
| 382 | |
| 383 | #endif |