reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2011 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" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 9 | #include "include/core/SkBitmap.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 10 | #include "include/core/SkCanvas.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 11 | #include "include/core/SkColor.h" |
| 12 | #include "include/core/SkFilterQuality.h" |
| 13 | #include "include/core/SkMatrix.h" |
| 14 | #include "include/core/SkPaint.h" |
| 15 | #include "include/core/SkScalar.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 16 | #include "include/core/SkShader.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 17 | #include "include/core/SkSize.h" |
| 18 | #include "include/core/SkString.h" |
| 19 | #include "include/core/SkTileMode.h" |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 20 | |
| 21 | /* |
| 22 | * Want to ensure that our bitmap sampler (in bitmap shader) keeps plenty of |
| 23 | * precision when scaling very large images (where the dx might get very small. |
| 24 | */ |
| 25 | |
reed@google.com | 6005aeb | 2012-03-14 20:15:47 +0000 | [diff] [blame] | 26 | #define W 257 |
| 27 | #define H 161 |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 28 | |
| 29 | class GiantBitmapGM : public skiagm::GM { |
| 30 | SkBitmap* fBM; |
Mike Reed | fae8fce | 2019-04-03 10:27:45 -0400 | [diff] [blame] | 31 | SkTileMode fMode; |
reed@google.com | b0b462b | 2012-03-08 22:13:39 +0000 | [diff] [blame] | 32 | bool fDoFilter; |
| 33 | bool fDoRotate; |
rmistry@google.com | ae933ce | 2012-08-23 18:19:56 +0000 | [diff] [blame] | 34 | |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 35 | const SkBitmap& getBitmap() { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 36 | if (nullptr == fBM) { |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 37 | fBM = new SkBitmap; |
reed@google.com | eb9a46c | 2014-01-25 16:46:20 +0000 | [diff] [blame] | 38 | fBM->allocN32Pixels(W, H); |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 39 | fBM->eraseColor(SK_ColorWHITE); |
| 40 | |
| 41 | const SkColor colors[] = { |
| 42 | SK_ColorBLUE, SK_ColorRED, SK_ColorBLACK, SK_ColorGREEN |
| 43 | }; |
| 44 | |
| 45 | SkCanvas canvas(*fBM); |
| 46 | SkPaint paint; |
| 47 | paint.setAntiAlias(true); |
reed@google.com | 6005aeb | 2012-03-14 20:15:47 +0000 | [diff] [blame] | 48 | paint.setStrokeWidth(SkIntToScalar(20)); |
rmistry@google.com | ae933ce | 2012-08-23 18:19:56 +0000 | [diff] [blame] | 49 | |
reed@google.com | 6005aeb | 2012-03-14 20:15:47 +0000 | [diff] [blame] | 50 | #if 0 |
| 51 | for (int y = -H*2; y < H; y += 50) { |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 52 | SkScalar yy = SkIntToScalar(y); |
reed@google.com | 6005aeb | 2012-03-14 20:15:47 +0000 | [diff] [blame] | 53 | paint.setColor(colors[y/50 & 0x3]); |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 54 | canvas.drawLine(0, yy, SkIntToScalar(W), yy + SkIntToScalar(W), |
| 55 | paint); |
| 56 | } |
reed@google.com | 6005aeb | 2012-03-14 20:15:47 +0000 | [diff] [blame] | 57 | #else |
| 58 | for (int x = -W; x < W; x += 60) { |
| 59 | paint.setColor(colors[x/60 & 0x3]); |
| 60 | |
| 61 | SkScalar xx = SkIntToScalar(x); |
| 62 | canvas.drawLine(xx, 0, xx, SkIntToScalar(H), |
| 63 | paint); |
| 64 | } |
| 65 | #endif |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 66 | } |
| 67 | return *fBM; |
| 68 | } |
| 69 | |
| 70 | public: |
Mike Reed | fae8fce | 2019-04-03 10:27:45 -0400 | [diff] [blame] | 71 | GiantBitmapGM(SkTileMode mode, bool doFilter, bool doRotate) : fBM(nullptr) { |
reed@google.com | b0b462b | 2012-03-08 22:13:39 +0000 | [diff] [blame] | 72 | fMode = mode; |
| 73 | fDoFilter = doFilter; |
| 74 | fDoRotate = doRotate; |
| 75 | } |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 76 | |
Brian Salomon | d3b6597 | 2017-03-22 12:05:03 -0400 | [diff] [blame] | 77 | ~GiantBitmapGM() override { delete fBM; } |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 78 | |
| 79 | protected: |
commit-bot@chromium.org | a90c680 | 2014-04-30 13:20:45 +0000 | [diff] [blame] | 80 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 81 | SkString onShortName() override { |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 82 | SkString str("giantbitmap_"); |
| 83 | switch (fMode) { |
Mike Reed | fae8fce | 2019-04-03 10:27:45 -0400 | [diff] [blame] | 84 | case SkTileMode::kClamp: |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 85 | str.append("clamp"); |
| 86 | break; |
Mike Reed | fae8fce | 2019-04-03 10:27:45 -0400 | [diff] [blame] | 87 | case SkTileMode::kRepeat: |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 88 | str.append("repeat"); |
| 89 | break; |
Mike Reed | fae8fce | 2019-04-03 10:27:45 -0400 | [diff] [blame] | 90 | case SkTileMode::kMirror: |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 91 | str.append("mirror"); |
| 92 | break; |
Mike Reed | fae8fce | 2019-04-03 10:27:45 -0400 | [diff] [blame] | 93 | case SkTileMode::kDecal: |
| 94 | str.append("decal"); |
| 95 | break; |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 96 | default: |
| 97 | break; |
| 98 | } |
reed@google.com | b0b462b | 2012-03-08 22:13:39 +0000 | [diff] [blame] | 99 | str.append(fDoFilter ? "_bilerp" : "_point"); |
| 100 | str.append(fDoRotate ? "_rotate" : "_scale"); |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 101 | return str; |
| 102 | } |
| 103 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 104 | SkISize onISize() override { return SkISize::Make(640, 480); } |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 105 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 106 | void onDraw(SkCanvas* canvas) override { |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 107 | SkPaint paint; |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 108 | |
reed@google.com | b0b462b | 2012-03-08 22:13:39 +0000 | [diff] [blame] | 109 | SkMatrix m; |
| 110 | if (fDoRotate) { |
| 111 | // m.setRotate(SkIntToScalar(30), 0, 0); |
| 112 | m.setSkew(SK_Scalar1, 0, 0, 0); |
reed@google.com | 6005aeb | 2012-03-14 20:15:47 +0000 | [diff] [blame] | 113 | // m.postScale(2*SK_Scalar1/3, 2*SK_Scalar1/3); |
reed@google.com | b0b462b | 2012-03-08 22:13:39 +0000 | [diff] [blame] | 114 | } else { |
reed@google.com | 6005aeb | 2012-03-14 20:15:47 +0000 | [diff] [blame] | 115 | SkScalar scale = 11*SK_Scalar1/12; |
| 116 | m.setScale(scale, scale); |
reed@google.com | b0b462b | 2012-03-08 22:13:39 +0000 | [diff] [blame] | 117 | } |
Mike Reed | 50acf8f | 2019-04-08 13:20:23 -0400 | [diff] [blame] | 118 | paint.setShader(getBitmap().makeShader(fMode, fMode, &m)); |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 119 | paint.setFilterQuality(fDoFilter ? kLow_SkFilterQuality : kNone_SkFilterQuality); |
reed@google.com | b0b462b | 2012-03-08 22:13:39 +0000 | [diff] [blame] | 120 | |
| 121 | canvas->translate(SkIntToScalar(50), SkIntToScalar(50)); |
rmistry@google.com | ae933ce | 2012-08-23 18:19:56 +0000 | [diff] [blame] | 122 | |
humper@google.com | 05af1af | 2013-01-07 16:47:43 +0000 | [diff] [blame] | 123 | // SkRect r = SkRect::MakeXYWH(-50, -50, 32, 16); |
reed@google.com | 6005aeb | 2012-03-14 20:15:47 +0000 | [diff] [blame] | 124 | // canvas->drawRect(r, paint); return; |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 125 | canvas->drawPaint(paint); |
| 126 | } |
| 127 | |
| 128 | private: |
| 129 | typedef GM INHERITED; |
| 130 | }; |
| 131 | |
| 132 | /////////////////////////////////////////////////////////////////////////////// |
| 133 | |
Mike Reed | fae8fce | 2019-04-03 10:27:45 -0400 | [diff] [blame] | 134 | DEF_GM( return new GiantBitmapGM(SkTileMode::kClamp, false, false); ) |
| 135 | DEF_GM( return new GiantBitmapGM(SkTileMode::kRepeat, false, false); ) |
| 136 | DEF_GM( return new GiantBitmapGM(SkTileMode::kMirror, false, false); ) |
| 137 | DEF_GM( return new GiantBitmapGM(SkTileMode::kClamp, true, false); ) |
| 138 | DEF_GM( return new GiantBitmapGM(SkTileMode::kRepeat, true, false); ) |
| 139 | DEF_GM( return new GiantBitmapGM(SkTileMode::kMirror, true, false); ) |
reed@google.com | 4bc0a9d | 2012-03-07 21:47:41 +0000 | [diff] [blame] | 140 | |
Mike Reed | fae8fce | 2019-04-03 10:27:45 -0400 | [diff] [blame] | 141 | DEF_GM( return new GiantBitmapGM(SkTileMode::kClamp, false, true); ) |
| 142 | DEF_GM( return new GiantBitmapGM(SkTileMode::kRepeat, false, true); ) |
| 143 | DEF_GM( return new GiantBitmapGM(SkTileMode::kMirror, false, true); ) |
| 144 | DEF_GM( return new GiantBitmapGM(SkTileMode::kClamp, true, true); ) |
| 145 | DEF_GM( return new GiantBitmapGM(SkTileMode::kRepeat, true, true); ) |
| 146 | DEF_GM( return new GiantBitmapGM(SkTileMode::kMirror, true, true); ) |