commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 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" |
| 10 | #include "include/core/SkCanvas.h" |
| 11 | #include "include/core/SkColor.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 12 | #include "include/core/SkImage.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 13 | #include "include/core/SkImageFilter.h" |
| 14 | #include "include/core/SkMatrix.h" |
| 15 | #include "include/core/SkPaint.h" |
| 16 | #include "include/core/SkRect.h" |
| 17 | #include "include/core/SkRefCnt.h" |
| 18 | #include "include/core/SkScalar.h" |
| 19 | #include "include/core/SkSize.h" |
| 20 | #include "include/core/SkString.h" |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 21 | #include "include/effects/SkImageFilters.h" |
Michael Ludwig | 8ee6cf3 | 2019-08-02 09:57:04 -0400 | [diff] [blame] | 22 | #include "src/core/SkImageFilter_Base.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 23 | #include "tools/ToolUtils.h" |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 24 | |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 25 | #include <utility> |
| 26 | |
senorblanco@chromium.org | e09244d | 2014-03-04 19:05:25 +0000 | [diff] [blame] | 27 | #define WIDTH 600 |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 28 | #define HEIGHT 100 |
| 29 | #define MARGIN 12 |
| 30 | |
reed | 462a33c | 2015-06-22 09:10:14 -0700 | [diff] [blame] | 31 | class OffsetImageFilterGM : public skiagm::GM { |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 32 | public: |
reed | 462a33c | 2015-06-22 09:10:14 -0700 | [diff] [blame] | 33 | OffsetImageFilterGM() { |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 34 | this->setBGColor(0xFF000000); |
| 35 | } |
| 36 | |
| 37 | protected: |
reed | 462a33c | 2015-06-22 09:10:14 -0700 | [diff] [blame] | 38 | SkString onShortName() override { |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 39 | return SkString("offsetimagefilter"); |
| 40 | } |
| 41 | |
reed | 462a33c | 2015-06-22 09:10:14 -0700 | [diff] [blame] | 42 | SkISize onISize() override { |
tfarina | f539318 | 2014-06-09 23:59:03 -0700 | [diff] [blame] | 43 | return SkISize::Make(WIDTH, HEIGHT); |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 44 | } |
| 45 | |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 46 | void onOnceBeforeDraw() override { |
Mike Reed | ac9f0c9 | 2020-12-23 10:11:33 -0500 | [diff] [blame] | 47 | fBitmap = ToolUtils::create_string_image(80, 80, 0xD000D000, 15, 65, 96, "e"); |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 48 | |
Mike Reed | db873dd | 2020-12-04 12:22:10 -0500 | [diff] [blame] | 49 | fCheckerboard = ToolUtils::create_checkerboard_image(80, 80, 0xFFA0A0A0, 0xFF404040, 8); |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 50 | } |
| 51 | |
| 52 | void onDraw(SkCanvas* canvas) override { |
| 53 | canvas->clear(SK_ColorBLACK); |
| 54 | SkPaint paint; |
| 55 | |
| 56 | for (int i = 0; i < 4; i++) { |
robertphillips | 549c899 | 2016-04-01 09:28:51 -0700 | [diff] [blame] | 57 | sk_sp<SkImage> image = (i & 0x01) ? fCheckerboard : fBitmap; |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 58 | SkIRect cropRect = SkIRect::MakeXYWH(i * 12, |
| 59 | i * 8, |
| 60 | image->width() - i * 8, |
| 61 | image->height() - i * 12); |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 62 | sk_sp<SkImageFilter> tileInput(SkImageFilters::Image(image)); |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 63 | SkScalar dx = SkIntToScalar(i*5); |
| 64 | SkScalar dy = SkIntToScalar(i*10); |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 65 | paint.setImageFilter(SkImageFilters::Offset(dx, dy, std::move(tileInput), &cropRect)); |
robertphillips | 549c899 | 2016-04-01 09:28:51 -0700 | [diff] [blame] | 66 | DrawClippedImage(canvas, image.get(), paint, 1, cropRect); |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 67 | canvas->translate(SkIntToScalar(image->width() + MARGIN), 0); |
| 68 | } |
| 69 | |
| 70 | SkIRect cropRect = SkIRect::MakeXYWH(0, 0, 100, 100); |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 71 | paint.setImageFilter(SkImageFilters::Offset(-5, -10, nullptr, &cropRect)); |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 72 | DrawClippedImage(canvas, fBitmap.get(), paint, 2, cropRect); |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 73 | } |
| 74 | private: |
| 75 | static void DrawClippedImage(SkCanvas* canvas, const SkImage* image, const SkPaint& paint, |
| 76 | SkScalar scale, const SkIRect& cropRect) { |
| 77 | SkRect clipRect = SkRect::MakeIWH(image->width(), image->height()); |
reed | 462a33c | 2015-06-22 09:10:14 -0700 | [diff] [blame] | 78 | |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 79 | canvas->save(); |
senorblanco@chromium.org | e09244d | 2014-03-04 19:05:25 +0000 | [diff] [blame] | 80 | canvas->clipRect(clipRect); |
| 81 | canvas->scale(scale, scale); |
Mike Reed | d396cd5 | 2021-01-23 21:14:47 -0500 | [diff] [blame] | 82 | canvas->drawImage(image, 0, 0, SkSamplingOptions(), &paint); |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 83 | canvas->restore(); |
senorblanco@chromium.org | e09244d | 2014-03-04 19:05:25 +0000 | [diff] [blame] | 84 | |
reed | 462a33c | 2015-06-22 09:10:14 -0700 | [diff] [blame] | 85 | // Draw a boundary rect around the intersection of the clip rect and crop rect. |
senorblanco@chromium.org | e09244d | 2014-03-04 19:05:25 +0000 | [diff] [blame] | 86 | SkRect cropRectFloat; |
Mike Reed | 1f60733 | 2020-05-21 12:11:27 -0400 | [diff] [blame] | 87 | SkMatrix::Scale(scale, scale).mapRect(&cropRectFloat, SkRect::Make(cropRect)); |
robertphillips | f4e5995 | 2015-01-07 12:16:10 -0800 | [diff] [blame] | 88 | if (clipRect.intersect(cropRectFloat)) { |
reed | 462a33c | 2015-06-22 09:10:14 -0700 | [diff] [blame] | 89 | SkPaint strokePaint; |
| 90 | strokePaint.setStyle(SkPaint::kStroke_Style); |
caryclark | 5f7f428 | 2015-07-16 07:06:46 -0700 | [diff] [blame] | 91 | strokePaint.setStrokeWidth(2); |
reed | 462a33c | 2015-06-22 09:10:14 -0700 | [diff] [blame] | 92 | strokePaint.setColor(SK_ColorRED); |
robertphillips | f4e5995 | 2015-01-07 12:16:10 -0800 | [diff] [blame] | 93 | canvas->drawRect(clipRect, strokePaint); |
| 94 | } |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 95 | } |
| 96 | |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 97 | sk_sp<SkImage> fBitmap, fCheckerboard; |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 98 | |
John Stiles | 7571f9e | 2020-09-02 22:42:33 -0400 | [diff] [blame] | 99 | using INHERITED = skiagm::GM; |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 100 | }; |
reed | 462a33c | 2015-06-22 09:10:14 -0700 | [diff] [blame] | 101 | DEF_GM( return new OffsetImageFilterGM; ) |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 102 | |
| 103 | ////////////////////////////////////////////////////////////////////////////// |
| 104 | |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 105 | class SimpleOffsetImageFilterGM : public skiagm::GM { |
| 106 | public: |
| 107 | SimpleOffsetImageFilterGM() {} |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 108 | |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 109 | protected: |
| 110 | SkString onShortName() override { |
| 111 | return SkString("simple-offsetimagefilter"); |
| 112 | } |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 113 | |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 114 | SkISize onISize() override { return SkISize::Make(640, 200); } |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 115 | |
robertphillips | 51a315e | 2016-03-31 09:05:49 -0700 | [diff] [blame] | 116 | void doDraw(SkCanvas* canvas, const SkRect& r, sk_sp<SkImageFilter> imgf, |
Michael Ludwig | 747c31e | 2021-01-28 13:20:16 -0500 | [diff] [blame] | 117 | const SkIRect* cropR = nullptr, const SkRect* clipR = nullptr) { |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 118 | SkPaint p; |
| 119 | |
| 120 | if (clipR) { |
| 121 | p.setColor(0xFF00FF00); |
| 122 | p.setStyle(SkPaint::kStroke_Style); |
| 123 | canvas->drawRect(clipR->makeInset(SK_ScalarHalf, SK_ScalarHalf), p); |
| 124 | p.setStyle(SkPaint::kFill_Style); |
| 125 | } |
| 126 | |
Michael Ludwig | 8ee6cf3 | 2019-08-02 09:57:04 -0400 | [diff] [blame] | 127 | // Visualize the crop rect for debugging |
Michael Ludwig | 747c31e | 2021-01-28 13:20:16 -0500 | [diff] [blame] | 128 | if (imgf && cropR) { |
reed | b3fe1b8 | 2015-06-23 08:29:20 -0700 | [diff] [blame] | 129 | p.setColor(0x66FF00FF); |
| 130 | p.setStyle(SkPaint::kStroke_Style); |
Michael Ludwig | 747c31e | 2021-01-28 13:20:16 -0500 | [diff] [blame] | 131 | |
| 132 | SkRect cr = SkRect::Make(*cropR).makeInset(SK_ScalarHalf, SK_ScalarHalf); |
| 133 | canvas->drawRect(cr, p); |
reed | b3fe1b8 | 2015-06-23 08:29:20 -0700 | [diff] [blame] | 134 | p.setStyle(SkPaint::kFill_Style); |
| 135 | } |
| 136 | |
| 137 | p.setColor(0x660000FF); |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 138 | canvas->drawRect(r, p); |
| 139 | |
| 140 | if (clipR) { |
| 141 | canvas->save(); |
| 142 | canvas->clipRect(*clipR); |
| 143 | } |
robertphillips | da57105 | 2015-06-23 09:28:52 -0700 | [diff] [blame] | 144 | if (imgf) { |
robertphillips | 51a315e | 2016-03-31 09:05:49 -0700 | [diff] [blame] | 145 | p.setImageFilter(std::move(imgf)); |
robertphillips | da57105 | 2015-06-23 09:28:52 -0700 | [diff] [blame] | 146 | } |
reed | b3fe1b8 | 2015-06-23 08:29:20 -0700 | [diff] [blame] | 147 | p.setColor(0x66FF0000); |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 148 | canvas->drawRect(r, p); |
reed | b3fe1b8 | 2015-06-23 08:29:20 -0700 | [diff] [blame] | 149 | |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 150 | if (clipR) { |
| 151 | canvas->restore(); |
| 152 | } |
| 153 | } |
| 154 | |
| 155 | void onDraw(SkCanvas* canvas) override { |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 156 | SkIRect cr0 = SkIRect::MakeWH(40, 40); |
| 157 | SkIRect cr1 = SkIRect::MakeWH(20, 20); |
| 158 | SkIRect cr2 = SkIRect::MakeXYWH(40, 0, 40, 40); |
| 159 | const SkRect r = SkRect::Make(cr0); |
| 160 | const SkRect r2 = SkRect::Make(cr2); |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 161 | |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 162 | canvas->translate(40, 40); |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 163 | |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 164 | canvas->save(); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 165 | this->doDraw(canvas, r, nullptr); |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 166 | |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 167 | canvas->translate(100, 0); |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 168 | this->doDraw(canvas, r, SkImageFilters::Offset(20, 20, nullptr)); |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 169 | |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 170 | canvas->translate(100, 0); |
Michael Ludwig | 747c31e | 2021-01-28 13:20:16 -0500 | [diff] [blame] | 171 | this->doDraw(canvas, r, SkImageFilters::Offset(20, 20, nullptr, &cr0), &cr0); |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 172 | |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 173 | canvas->translate(100, 0); |
Michael Ludwig | 747c31e | 2021-01-28 13:20:16 -0500 | [diff] [blame] | 174 | this->doDraw(canvas, r, SkImageFilters::Offset(20, 20, nullptr), /* cropR */ nullptr, &r); |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 175 | |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 176 | canvas->translate(100, 0); |
Michael Ludwig | 747c31e | 2021-01-28 13:20:16 -0500 | [diff] [blame] | 177 | this->doDraw(canvas, r, SkImageFilters::Offset(20, 20, nullptr, &cr1), &cr1); |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 178 | |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 179 | SkRect clipR = SkRect::MakeXYWH(40, 40, 40, 40); |
| 180 | canvas->translate(100, 0); |
Michael Ludwig | 747c31e | 2021-01-28 13:20:16 -0500 | [diff] [blame] | 181 | this->doDraw(canvas, r, SkImageFilters::Offset(20, 20, nullptr), /* cropR */ nullptr, &clipR); |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 182 | canvas->restore(); |
| 183 | |
| 184 | // 2nd row |
| 185 | canvas->translate(0, 80); |
| 186 | |
| 187 | /* |
| 188 | * combos of clip and crop rects that align with src and dst |
| 189 | */ |
| 190 | |
| 191 | // crop==clip==src |
Michael Ludwig | 747c31e | 2021-01-28 13:20:16 -0500 | [diff] [blame] | 192 | this->doDraw(canvas, r, SkImageFilters::Offset(40, 0, nullptr, &cr0), &cr0, &r); |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 193 | |
| 194 | // crop==src, clip==dst |
| 195 | canvas->translate(100, 0); |
Michael Ludwig | 747c31e | 2021-01-28 13:20:16 -0500 | [diff] [blame] | 196 | this->doDraw(canvas, r, SkImageFilters::Offset(40, 0, nullptr, &cr0), &cr0, &r2); |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 197 | |
| 198 | // crop==dst, clip==src |
| 199 | canvas->translate(100, 0); |
Michael Ludwig | 747c31e | 2021-01-28 13:20:16 -0500 | [diff] [blame] | 200 | this->doDraw(canvas, r, SkImageFilters::Offset(40, 0, nullptr, &cr2), &cr2, &r); |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 201 | |
| 202 | // crop==clip==dst |
| 203 | canvas->translate(100, 0); |
Michael Ludwig | 747c31e | 2021-01-28 13:20:16 -0500 | [diff] [blame] | 204 | this->doDraw(canvas, r, SkImageFilters::Offset(40, 0, nullptr, &cr2), &cr2, &r2); |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 205 | } |
| 206 | |
| 207 | private: |
John Stiles | 7571f9e | 2020-09-02 22:42:33 -0400 | [diff] [blame] | 208 | using INHERITED = skiagm::GM; |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 209 | }; |
| 210 | DEF_GM( return new SimpleOffsetImageFilterGM; ) |