reed | 7e4186a | 2015-04-20 07:27:15 -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 | */ |
| 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/SkBlendMode.h" |
| 10 | #include "include/core/SkCanvas.h" |
| 11 | #include "include/core/SkColor.h" |
| 12 | #include "include/core/SkColorFilter.h" |
| 13 | #include "include/core/SkFilterQuality.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 14 | #include "include/core/SkImage.h" |
| 15 | #include "include/core/SkImageFilter.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 16 | #include "include/core/SkImageInfo.h" |
| 17 | #include "include/core/SkMatrix.h" |
| 18 | #include "include/core/SkPaint.h" |
| 19 | #include "include/core/SkRRect.h" |
| 20 | #include "include/core/SkRect.h" |
| 21 | #include "include/core/SkRefCnt.h" |
| 22 | #include "include/core/SkScalar.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 23 | #include "include/core/SkSurface.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 24 | #include "include/core/SkTypes.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 25 | #include "include/effects/SkColorMatrix.h" |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 26 | #include "include/effects/SkImageFilters.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 27 | #include "tools/Resources.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 28 | #include "tools/ToolUtils.h" |
reed | 7e4186a | 2015-04-20 07:27:15 -0700 | [diff] [blame] | 29 | |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 30 | #include <utility> |
| 31 | |
reed | 7e4186a | 2015-04-20 07:27:15 -0700 | [diff] [blame] | 32 | /** |
| 33 | * Test drawing a primitive w/ an imagefilter (in this case, just matrix w/ identity) to see |
| 34 | * that we apply the xfermode *after* the image has been created and filtered, and not during |
| 35 | * the creation step (i.e. before it is filtered). |
| 36 | * |
halcanary | 6950de6 | 2015-11-07 05:29:00 -0800 | [diff] [blame] | 37 | * see https://bug.skia.org/3741 |
reed | 7e4186a | 2015-04-20 07:27:15 -0700 | [diff] [blame] | 38 | */ |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 39 | static void do_draw(SkCanvas* canvas, SkBlendMode mode, sk_sp<SkImageFilter> imf) { |
reed | 4912437 | 2015-04-20 09:10:31 -0700 | [diff] [blame] | 40 | SkAutoCanvasRestore acr(canvas, true); |
| 41 | canvas->clipRect(SkRect::MakeWH(220, 220)); |
xidachen | 467ddc0 | 2015-12-10 12:08:44 -0800 | [diff] [blame] | 42 | |
reed | 4912437 | 2015-04-20 09:10:31 -0700 | [diff] [blame] | 43 | // want to force a layer, so modes like DstIn can combine meaningfully, but the final |
| 44 | // image can still be shown against our default (opaque) background. non-opaque GMs |
| 45 | // are a lot more trouble to compare/triage. |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 46 | canvas->saveLayer(nullptr, nullptr); |
reed | 4912437 | 2015-04-20 09:10:31 -0700 | [diff] [blame] | 47 | canvas->drawColor(SK_ColorGREEN); |
| 48 | |
reed | 7e4186a | 2015-04-20 07:27:15 -0700 | [diff] [blame] | 49 | SkPaint paint; |
| 50 | paint.setAntiAlias(true); |
xidachen | 467ddc0 | 2015-12-10 12:08:44 -0800 | [diff] [blame] | 51 | |
reed | 7e4186a | 2015-04-20 07:27:15 -0700 | [diff] [blame] | 52 | SkRect r0 = SkRect::MakeXYWH(10, 60, 200, 100); |
| 53 | SkRect r1 = SkRect::MakeXYWH(60, 10, 100, 200); |
xidachen | 467ddc0 | 2015-12-10 12:08:44 -0800 | [diff] [blame] | 54 | |
reed | 7e4186a | 2015-04-20 07:27:15 -0700 | [diff] [blame] | 55 | paint.setColor(SK_ColorRED); |
| 56 | canvas->drawOval(r0, paint); |
| 57 | |
reed | 4912437 | 2015-04-20 09:10:31 -0700 | [diff] [blame] | 58 | paint.setColor(0x660000FF); |
robertphillips | ae8c933 | 2016-04-05 15:09:00 -0700 | [diff] [blame] | 59 | paint.setImageFilter(std::move(imf)); |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 60 | paint.setBlendMode(mode); |
reed | 7e4186a | 2015-04-20 07:27:15 -0700 | [diff] [blame] | 61 | canvas->drawOval(r1, paint); |
halcanary | 2a24338 | 2015-09-09 08:16:41 -0700 | [diff] [blame] | 62 | } |
reed | 7e4186a | 2015-04-20 07:27:15 -0700 | [diff] [blame] | 63 | |
halcanary | 2a24338 | 2015-09-09 08:16:41 -0700 | [diff] [blame] | 64 | DEF_SIMPLE_GM(imagefilters_xfermodes, canvas, 480, 480) { |
reed | 4912437 | 2015-04-20 09:10:31 -0700 | [diff] [blame] | 65 | canvas->translate(10, 10); |
| 66 | |
reed | 7e4186a | 2015-04-20 07:27:15 -0700 | [diff] [blame] | 67 | // just need an imagefilter to trigger the code-path (which creates a tmp layer) |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 68 | sk_sp<SkImageFilter> imf(SkImageFilters::MatrixTransform(SkMatrix::I(), |
robertphillips | ae8c933 | 2016-04-05 15:09:00 -0700 | [diff] [blame] | 69 | kNone_SkFilterQuality, |
| 70 | nullptr)); |
reed | 7e4186a | 2015-04-20 07:27:15 -0700 | [diff] [blame] | 71 | |
reed | 374772b | 2016-10-05 17:33:02 -0700 | [diff] [blame] | 72 | const SkBlendMode modes[] = { |
| 73 | SkBlendMode::kSrcATop, SkBlendMode::kDstIn |
reed | 7e4186a | 2015-04-20 07:27:15 -0700 | [diff] [blame] | 74 | }; |
xidachen | 467ddc0 | 2015-12-10 12:08:44 -0800 | [diff] [blame] | 75 | |
reed | 7e4186a | 2015-04-20 07:27:15 -0700 | [diff] [blame] | 76 | for (size_t i = 0; i < SK_ARRAY_COUNT(modes); ++i) { |
| 77 | canvas->save(); |
halcanary | 2a24338 | 2015-09-09 08:16:41 -0700 | [diff] [blame] | 78 | do_draw(canvas, modes[i], nullptr); |
reed | 4912437 | 2015-04-20 09:10:31 -0700 | [diff] [blame] | 79 | canvas->translate(240, 0); |
halcanary | 2a24338 | 2015-09-09 08:16:41 -0700 | [diff] [blame] | 80 | do_draw(canvas, modes[i], imf); |
reed | 7e4186a | 2015-04-20 07:27:15 -0700 | [diff] [blame] | 81 | canvas->restore(); |
xidachen | 467ddc0 | 2015-12-10 12:08:44 -0800 | [diff] [blame] | 82 | |
reed | 4912437 | 2015-04-20 09:10:31 -0700 | [diff] [blame] | 83 | canvas->translate(0, 240); |
reed | 7e4186a | 2015-04-20 07:27:15 -0700 | [diff] [blame] | 84 | } |
halcanary | 2a24338 | 2015-09-09 08:16:41 -0700 | [diff] [blame] | 85 | } |
reed | f65fb65 | 2015-12-07 09:28:34 -0800 | [diff] [blame] | 86 | |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 87 | static sk_sp<SkImage> make_image(SkCanvas* canvas) { |
Brian Osman | 5f50092 | 2016-12-29 11:50:48 -0500 | [diff] [blame] | 88 | const SkImageInfo info = SkImageInfo::MakeS32(100, 100, kPremul_SkAlphaType); |
Mike Klein | ea3f014 | 2019-03-20 11:12:10 -0500 | [diff] [blame] | 89 | auto surface(ToolUtils::makeSurface(canvas, info)); |
reed | f65fb65 | 2015-12-07 09:28:34 -0800 | [diff] [blame] | 90 | surface->getCanvas()->drawRect(SkRect::MakeXYWH(25, 25, 50, 50), SkPaint()); |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 91 | return surface->makeImageSnapshot(); |
reed | f65fb65 | 2015-12-07 09:28:34 -0800 | [diff] [blame] | 92 | } |
| 93 | |
| 94 | // Compare blurs when we're tightly clipped (fast) and not as tightly (slower) |
| 95 | // |
| 96 | // Expect the two to draw the same (modulo the extra border of pixels when the clip is larger) |
| 97 | // |
| 98 | DEF_SIMPLE_GM(fast_slow_blurimagefilter, canvas, 620, 260) { |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 99 | sk_sp<SkImage> image(make_image(canvas)); |
reed | f65fb65 | 2015-12-07 09:28:34 -0800 | [diff] [blame] | 100 | const SkRect r = SkRect::MakeIWH(image->width(), image->height()); |
| 101 | |
| 102 | canvas->translate(10, 10); |
| 103 | for (SkScalar sigma = 8; sigma <= 128; sigma *= 2) { |
| 104 | SkPaint paint; |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 105 | paint.setImageFilter(SkImageFilters::Blur(sigma, sigma, nullptr)); |
reed | f65fb65 | 2015-12-07 09:28:34 -0800 | [diff] [blame] | 106 | |
| 107 | canvas->save(); |
| 108 | // we outset the clip by 1, to fall out of the fast-case in drawImage |
| 109 | // i.e. the clip is larger than the image |
| 110 | for (SkScalar outset = 0; outset <= 1; ++outset) { |
| 111 | canvas->save(); |
| 112 | canvas->clipRect(r.makeOutset(outset, outset)); |
| 113 | canvas->drawImage(image, 0, 0, &paint); |
| 114 | canvas->restore(); |
| 115 | canvas->translate(0, r.height() + 20); |
| 116 | } |
| 117 | canvas->restore(); |
| 118 | canvas->translate(r.width() + 20, 0); |
| 119 | } |
| 120 | } |
reed | bfd5f17 | 2016-01-07 11:28:08 -0800 | [diff] [blame] | 121 | |
| 122 | /////////////////////////////////////////////////////////////////////////////////////////////////// |
reed | bfd5f17 | 2016-01-07 11:28:08 -0800 | [diff] [blame] | 123 | |
robertphillips | ef6a47b | 2016-04-08 08:01:20 -0700 | [diff] [blame] | 124 | static void draw_set(SkCanvas* canvas, sk_sp<SkImageFilter> filters[], int count) { |
reed | bfd5f17 | 2016-01-07 11:28:08 -0800 | [diff] [blame] | 125 | const SkRect r = SkRect::MakeXYWH(30, 30, 200, 200); |
| 126 | const SkScalar offset = 250; |
| 127 | SkScalar dx = 0, dy = 0; |
| 128 | |
| 129 | for (int i = 0; i < count; ++i) { |
| 130 | canvas->save(); |
| 131 | SkRRect rr = SkRRect::MakeRectXY(r.makeOffset(dx, dy), 20, 20); |
reed | 6699838 | 2016-09-21 11:15:07 -0700 | [diff] [blame] | 132 | canvas->clipRRect(rr, true); |
Florin Malita | 53f77bd | 2017-04-28 13:48:37 -0400 | [diff] [blame] | 133 | canvas->saveLayer({ &rr.getBounds(), nullptr, filters[i].get(), nullptr, nullptr, 0 }); |
reed | bfd5f17 | 2016-01-07 11:28:08 -0800 | [diff] [blame] | 134 | canvas->drawColor(0x40FFFFFF); |
| 135 | canvas->restore(); |
| 136 | canvas->restore(); |
| 137 | |
| 138 | if (0 == dx) { |
| 139 | dx = offset; |
| 140 | } else { |
| 141 | dx = 0; |
| 142 | dy = offset; |
| 143 | } |
| 144 | } |
| 145 | } |
| 146 | |
Yuqian Li | 52a6a40 | 2019-08-13 17:34:19 -0700 | [diff] [blame] | 147 | class SaveLayerWithBackdropGM : public skiagm::GM { |
| 148 | protected: |
| 149 | bool runAsBench() const override { return true; } |
| 150 | SkString onShortName() override { return SkString("savelayer_with_backdrop"); } |
| 151 | SkISize onISize() override { return SkISize::Make(830, 550); } |
reed | bfd5f17 | 2016-01-07 11:28:08 -0800 | [diff] [blame] | 152 | |
Yuqian Li | 52a6a40 | 2019-08-13 17:34:19 -0700 | [diff] [blame] | 153 | void onDraw(SkCanvas* canvas) override { |
| 154 | SkColorMatrix cm; |
| 155 | cm.setSaturation(10); |
| 156 | sk_sp<SkColorFilter> cf(SkColorFilters::Matrix(cm)); |
| 157 | const SkScalar kernel[] = { 4, 0, 4, 0, -15, 0, 4, 0, 4 }; |
| 158 | sk_sp<SkImageFilter> filters[] = { |
| 159 | SkImageFilters::Blur(10, 10, nullptr), |
| 160 | SkImageFilters::Dilate(8, 8, nullptr), |
| 161 | SkImageFilters::MatrixConvolution({ 3, 3 }, kernel, 1, 0, { 0, 0 }, |
| 162 | SkTileMode::kDecal, true, nullptr), |
| 163 | SkImageFilters::ColorFilter(std::move(cf), nullptr), |
| 164 | }; |
reed | bfd5f17 | 2016-01-07 11:28:08 -0800 | [diff] [blame] | 165 | |
Yuqian Li | 52a6a40 | 2019-08-13 17:34:19 -0700 | [diff] [blame] | 166 | const struct { |
| 167 | SkScalar fSx, fSy, fTx, fTy; |
| 168 | } xforms[] = { |
| 169 | { 1, 1, 0, 0 }, |
| 170 | { 0.5f, 0.5f, 530, 0 }, |
| 171 | { 0.25f, 0.25f, 530, 275 }, |
| 172 | { 0.125f, 0.125f, 530, 420 }, |
| 173 | }; |
reed | bfd5f17 | 2016-01-07 11:28:08 -0800 | [diff] [blame] | 174 | |
Yuqian Li | 52a6a40 | 2019-08-13 17:34:19 -0700 | [diff] [blame] | 175 | SkPaint paint; |
| 176 | paint.setFilterQuality(kMedium_SkFilterQuality); |
| 177 | sk_sp<SkImage> image(GetResourceAsImage("images/mandrill_512.png")); |
| 178 | |
| 179 | canvas->translate(20, 20); |
| 180 | for (const auto& xform : xforms) { |
| 181 | canvas->save(); |
| 182 | canvas->translate(xform.fTx, xform.fTy); |
| 183 | canvas->scale(xform.fSx, xform.fSy); |
| 184 | canvas->drawImage(image, 0, 0, &paint); |
| 185 | draw_set(canvas, filters, SK_ARRAY_COUNT(filters)); |
| 186 | canvas->restore(); |
| 187 | } |
reed | bfd5f17 | 2016-01-07 11:28:08 -0800 | [diff] [blame] | 188 | } |
Yuqian Li | 52a6a40 | 2019-08-13 17:34:19 -0700 | [diff] [blame] | 189 | }; |
| 190 | |
| 191 | DEF_GM(return new SaveLayerWithBackdropGM();) |