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 | |
halcanary | b0cce2c | 2015-01-26 12:49:00 -0800 | [diff] [blame] | 8 | #include "sk_tool_utils.h" |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 9 | #include "SkImage.h" |
| 10 | #include "SkImageSource.h" |
halcanary | 878fa02 | 2015-01-26 11:24:32 -0800 | [diff] [blame] | 11 | #include "SkOffsetImageFilter.h" |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 12 | #include "SkSurface.h" |
halcanary | 878fa02 | 2015-01-26 11:24:32 -0800 | [diff] [blame] | 13 | #include "gm.h" |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 14 | |
senorblanco@chromium.org | e09244d | 2014-03-04 19:05:25 +0000 | [diff] [blame] | 15 | #define WIDTH 600 |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 16 | #define HEIGHT 100 |
| 17 | #define MARGIN 12 |
| 18 | |
reed | 462a33c | 2015-06-22 09:10:14 -0700 | [diff] [blame] | 19 | class OffsetImageFilterGM : public skiagm::GM { |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 20 | public: |
reed | 462a33c | 2015-06-22 09:10:14 -0700 | [diff] [blame] | 21 | OffsetImageFilterGM() { |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 22 | this->setBGColor(0xFF000000); |
| 23 | } |
| 24 | |
| 25 | protected: |
reed | 462a33c | 2015-06-22 09:10:14 -0700 | [diff] [blame] | 26 | SkString onShortName() override { |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 27 | return SkString("offsetimagefilter"); |
| 28 | } |
| 29 | |
reed | 462a33c | 2015-06-22 09:10:14 -0700 | [diff] [blame] | 30 | SkISize onISize() override { |
tfarina | f539318 | 2014-06-09 23:59:03 -0700 | [diff] [blame] | 31 | return SkISize::Make(WIDTH, HEIGHT); |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 32 | } |
| 33 | |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 34 | void onOnceBeforeDraw() override { |
| 35 | fBitmap.reset(SkImage::NewFromBitmap( |
| 36 | sk_tool_utils::create_string_bitmap(80, 80, 0xD000D000, 15, 65, 96, "e"))); |
| 37 | |
| 38 | fCheckerboard.reset(SkImage::NewFromBitmap( |
| 39 | sk_tool_utils::create_checkerboard_bitmap(80, 80, |
| 40 | sk_tool_utils::color_to_565(0xFFA0A0A0), |
| 41 | sk_tool_utils::color_to_565(0xFF404040), |
| 42 | 8))); |
| 43 | } |
| 44 | |
| 45 | void onDraw(SkCanvas* canvas) override { |
| 46 | canvas->clear(SK_ColorBLACK); |
| 47 | SkPaint paint; |
| 48 | |
| 49 | for (int i = 0; i < 4; i++) { |
| 50 | const SkImage* image = (i & 0x01) ? fCheckerboard : fBitmap; |
| 51 | SkIRect cropRect = SkIRect::MakeXYWH(i * 12, |
| 52 | i * 8, |
| 53 | image->width() - i * 8, |
| 54 | image->height() - i * 12); |
| 55 | SkImageFilter::CropRect rect(SkRect::Make(cropRect)); |
| 56 | SkAutoTUnref<SkImageFilter> tileInput(SkImageSource::Create(image)); |
| 57 | SkScalar dx = SkIntToScalar(i*5); |
| 58 | SkScalar dy = SkIntToScalar(i*10); |
| 59 | SkAutoTUnref<SkImageFilter> filter(SkOffsetImageFilter::Create(dx, dy, tileInput, |
| 60 | &rect)); |
| 61 | paint.setImageFilter(filter); |
| 62 | DrawClippedImage(canvas, image, paint, 1, cropRect); |
| 63 | canvas->translate(SkIntToScalar(image->width() + MARGIN), 0); |
| 64 | } |
| 65 | |
| 66 | SkIRect cropRect = SkIRect::MakeXYWH(0, 0, 100, 100); |
| 67 | SkImageFilter::CropRect rect(SkRect::Make(cropRect)); |
| 68 | SkAutoTUnref<SkImageFilter> filter(SkOffsetImageFilter::Create(-5, -10, nullptr, &rect)); |
| 69 | paint.setImageFilter(filter); |
| 70 | DrawClippedImage(canvas, fBitmap, paint, 2, cropRect); |
| 71 | } |
| 72 | private: |
| 73 | static void DrawClippedImage(SkCanvas* canvas, const SkImage* image, const SkPaint& paint, |
| 74 | SkScalar scale, const SkIRect& cropRect) { |
| 75 | SkRect clipRect = SkRect::MakeIWH(image->width(), image->height()); |
reed | 462a33c | 2015-06-22 09:10:14 -0700 | [diff] [blame] | 76 | |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 77 | canvas->save(); |
senorblanco@chromium.org | e09244d | 2014-03-04 19:05:25 +0000 | [diff] [blame] | 78 | canvas->clipRect(clipRect); |
| 79 | canvas->scale(scale, scale); |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 80 | canvas->drawImage(image, 0, 0, &paint); |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 81 | canvas->restore(); |
senorblanco@chromium.org | e09244d | 2014-03-04 19:05:25 +0000 | [diff] [blame] | 82 | |
reed | 462a33c | 2015-06-22 09:10:14 -0700 | [diff] [blame] | 83 | // 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] | 84 | SkRect cropRectFloat; |
reed | 462a33c | 2015-06-22 09:10:14 -0700 | [diff] [blame] | 85 | SkMatrix::MakeScale(scale, scale).mapRect(&cropRectFloat, SkRect::Make(cropRect)); |
robertphillips | f4e5995 | 2015-01-07 12:16:10 -0800 | [diff] [blame] | 86 | if (clipRect.intersect(cropRectFloat)) { |
reed | 462a33c | 2015-06-22 09:10:14 -0700 | [diff] [blame] | 87 | SkPaint strokePaint; |
| 88 | strokePaint.setStyle(SkPaint::kStroke_Style); |
caryclark | 5f7f428 | 2015-07-16 07:06:46 -0700 | [diff] [blame] | 89 | strokePaint.setStrokeWidth(2); |
reed | 462a33c | 2015-06-22 09:10:14 -0700 | [diff] [blame] | 90 | strokePaint.setColor(SK_ColorRED); |
robertphillips | f4e5995 | 2015-01-07 12:16:10 -0800 | [diff] [blame] | 91 | canvas->drawRect(clipRect, strokePaint); |
| 92 | } |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 93 | } |
| 94 | |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 95 | SkAutoTUnref<SkImage> fBitmap, fCheckerboard; |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 96 | |
| 97 | typedef skiagm::GM INHERITED; |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 98 | }; |
reed | 462a33c | 2015-06-22 09:10:14 -0700 | [diff] [blame] | 99 | DEF_GM( return new OffsetImageFilterGM; ) |
commit-bot@chromium.org | 1a4fb70 | 2013-09-26 16:09:28 +0000 | [diff] [blame] | 100 | |
| 101 | ////////////////////////////////////////////////////////////////////////////// |
| 102 | |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 103 | class SimpleOffsetImageFilterGM : public skiagm::GM { |
| 104 | public: |
| 105 | SimpleOffsetImageFilterGM() {} |
| 106 | |
| 107 | protected: |
| 108 | SkString onShortName() override { |
| 109 | return SkString("simple-offsetimagefilter"); |
| 110 | } |
| 111 | |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 112 | SkISize onISize() override { return SkISize::Make(640, 200); } |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 113 | |
| 114 | void doDraw(SkCanvas* canvas, const SkRect& r, SkImageFilter* imgf, |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 115 | const SkRect* clipR = nullptr) { |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 116 | SkPaint p; |
| 117 | |
| 118 | if (clipR) { |
| 119 | p.setColor(0xFF00FF00); |
| 120 | p.setStyle(SkPaint::kStroke_Style); |
| 121 | canvas->drawRect(clipR->makeInset(SK_ScalarHalf, SK_ScalarHalf), p); |
| 122 | p.setStyle(SkPaint::kFill_Style); |
| 123 | } |
| 124 | |
reed | b3fe1b8 | 2015-06-23 08:29:20 -0700 | [diff] [blame] | 125 | if (imgf && imgf->cropRectIsSet()) { |
| 126 | SkImageFilter::CropRect cr = imgf->getCropRect(); |
| 127 | |
| 128 | p.setColor(0x66FF00FF); |
| 129 | p.setStyle(SkPaint::kStroke_Style); |
| 130 | canvas->drawRect(cr.rect().makeInset(SK_ScalarHalf, SK_ScalarHalf), p); |
| 131 | p.setStyle(SkPaint::kFill_Style); |
| 132 | } |
| 133 | |
| 134 | p.setColor(0x660000FF); |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 135 | canvas->drawRect(r, p); |
| 136 | |
| 137 | if (clipR) { |
| 138 | canvas->save(); |
| 139 | canvas->clipRect(*clipR); |
| 140 | } |
robertphillips | da57105 | 2015-06-23 09:28:52 -0700 | [diff] [blame] | 141 | if (imgf) { |
| 142 | p.setImageFilter(imgf)->unref(); |
| 143 | } |
reed | b3fe1b8 | 2015-06-23 08:29:20 -0700 | [diff] [blame] | 144 | p.setColor(0x66FF0000); |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 145 | canvas->drawRect(r, p); |
reed | b3fe1b8 | 2015-06-23 08:29:20 -0700 | [diff] [blame] | 146 | |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 147 | if (clipR) { |
| 148 | canvas->restore(); |
| 149 | } |
| 150 | } |
| 151 | |
| 152 | void onDraw(SkCanvas* canvas) override { |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 153 | const SkRect r = SkRect::MakeWH(40, 40); |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 154 | SkImageFilter::CropRect cr0(r); |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 155 | SkImageFilter::CropRect cr1(SkRect::MakeWH(20, 20)); |
| 156 | const SkRect r2 = SkRect::MakeXYWH(40, 0, 40, 40); |
reed | b3fe1b8 | 2015-06-23 08:29:20 -0700 | [diff] [blame] | 157 | SkImageFilter::CropRect cr2(r2); |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 158 | |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 159 | canvas->translate(40, 40); |
| 160 | |
| 161 | canvas->save(); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 162 | this->doDraw(canvas, r, nullptr); |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 163 | |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 164 | canvas->translate(100, 0); |
| 165 | this->doDraw(canvas, r, SkOffsetImageFilter::Create(20, 20)); |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 166 | |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 167 | canvas->translate(100, 0); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 168 | this->doDraw(canvas, r, SkOffsetImageFilter::Create(20, 20, nullptr, &cr0)); |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 169 | |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 170 | canvas->translate(100, 0); |
| 171 | this->doDraw(canvas, r, SkOffsetImageFilter::Create(20, 20), &r); |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 172 | |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 173 | canvas->translate(100, 0); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 174 | this->doDraw(canvas, r, SkOffsetImageFilter::Create(20, 20, nullptr, &cr1)); |
reed | b3fe1b8 | 2015-06-23 08:29:20 -0700 | [diff] [blame] | 175 | |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 176 | SkRect clipR = SkRect::MakeXYWH(40, 40, 40, 40); |
| 177 | canvas->translate(100, 0); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 178 | this->doDraw(canvas, r, SkOffsetImageFilter::Create(20, 20, nullptr, nullptr), &clipR); |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 179 | canvas->restore(); |
| 180 | |
| 181 | // 2nd row |
| 182 | canvas->translate(0, 80); |
| 183 | |
| 184 | /* |
| 185 | * combos of clip and crop rects that align with src and dst |
| 186 | */ |
| 187 | |
| 188 | // crop==clip==src |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 189 | this->doDraw(canvas, r, SkOffsetImageFilter::Create(40, 0, nullptr, &cr0), &r); |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 190 | |
| 191 | // crop==src, clip==dst |
| 192 | canvas->translate(100, 0); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 193 | this->doDraw(canvas, r, SkOffsetImageFilter::Create(40, 0, nullptr, &cr0), &r2); |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 194 | |
| 195 | // crop==dst, clip==src |
| 196 | canvas->translate(100, 0); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 197 | this->doDraw(canvas, r, SkOffsetImageFilter::Create(40, 0, nullptr, &cr2), &r); |
reed | 5fbb623 | 2015-06-23 14:34:58 -0700 | [diff] [blame] | 198 | |
| 199 | // crop==clip==dst |
| 200 | canvas->translate(100, 0); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 201 | this->doDraw(canvas, r, SkOffsetImageFilter::Create(40, 0, nullptr, &cr2), &r2); |
reed | 477fdd8 | 2015-06-23 06:01:10 -0700 | [diff] [blame] | 202 | } |
| 203 | |
| 204 | private: |
| 205 | typedef skiagm::GM INHERITED; |
| 206 | }; |
| 207 | DEF_GM( return new SimpleOffsetImageFilterGM; ) |