senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +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 | |
| 8 | #include "gm.h" |
| 9 | |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 10 | #include "SkArithmeticMode.h" |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 11 | #include "SkDevice.h" |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 12 | #include "SkBlurImageFilter.h" |
senorblanco@chromium.org | 44888c6 | 2012-08-20 19:23:24 +0000 | [diff] [blame] | 13 | #include "SkColorFilter.h" |
| 14 | #include "SkColorFilterImageFilter.h" |
commit-bot@chromium.org | 6c4e71a | 2013-11-20 21:32:10 +0000 | [diff] [blame] | 15 | #include "SkColorMatrixFilter.h" |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 16 | #include "SkImage.h" |
| 17 | #include "SkImageSource.h" |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 18 | #include "SkReadBuffer.h" |
| 19 | #include "SkWriteBuffer.h" |
senorblanco@chromium.org | 4a9a612 | 2012-12-04 14:18:50 +0000 | [diff] [blame] | 20 | #include "SkMergeImageFilter.h" |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 21 | #include "SkMorphologyImageFilter.h" |
commit-bot@chromium.org | 6c4e71a | 2013-11-20 21:32:10 +0000 | [diff] [blame] | 22 | #include "SkTestImageFilters.h" |
senorblanco@chromium.org | 350b4d5 | 2013-08-01 14:59:05 +0000 | [diff] [blame] | 23 | #include "SkXfermodeImageFilter.h" |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 24 | |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 25 | // More closely models how Blink's OffsetFilter works as of 10/23/13. SkOffsetImageFilter doesn't |
| 26 | // perform a draw and this one does. |
| 27 | class SimpleOffsetFilter : public SkImageFilter { |
| 28 | public: |
reed | 7daaaa4 | 2014-08-21 10:53:34 -0700 | [diff] [blame] | 29 | class Registrar { |
| 30 | public: |
| 31 | Registrar() { |
| 32 | SkFlattenable::Register("SimpleOffsetFilter", |
reed | 7daaaa4 | 2014-08-21 10:53:34 -0700 | [diff] [blame] | 33 | SimpleOffsetFilter::CreateProc, |
reed | 7daaaa4 | 2014-08-21 10:53:34 -0700 | [diff] [blame] | 34 | SimpleOffsetFilter::GetFlattenableType()); |
| 35 | } |
| 36 | }; |
commit-bot@chromium.org | 2077427 | 2014-03-18 10:28:27 +0000 | [diff] [blame] | 37 | static SkImageFilter* Create(SkScalar dx, SkScalar dy, SkImageFilter* input) { |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 38 | return new SimpleOffsetFilter(dx, dy, input); |
commit-bot@chromium.org | 2077427 | 2014-03-18 10:28:27 +0000 | [diff] [blame] | 39 | } |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 40 | |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 41 | virtual bool onFilterImage(Proxy* proxy, const SkBitmap& src, const Context& ctx, |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 42 | SkBitmap* dst, SkIPoint* offset) const override { |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 43 | SkBitmap source = src; |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 44 | SkIPoint srcOffset = SkIPoint::Make(0, 0); |
senorblanco | b9519f8 | 2015-10-15 12:15:13 -0700 | [diff] [blame] | 45 | if (!this->filterInput(0, proxy, src, ctx, &source, &srcOffset)) { |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 46 | return false; |
| 47 | } |
| 48 | |
| 49 | SkIRect bounds; |
senorblanco@chromium.org | 1182529 | 2014-03-14 17:44:41 +0000 | [diff] [blame] | 50 | if (!this->applyCropRect(ctx, proxy, source, &srcOffset, &bounds, &source)) { |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 51 | return false; |
| 52 | } |
| 53 | |
| 54 | SkAutoTUnref<SkBaseDevice> device(proxy->createDevice(bounds.width(), bounds.height())); |
| 55 | SkCanvas canvas(device); |
| 56 | SkPaint paint; |
| 57 | paint.setXfermodeMode(SkXfermode::kSrc_Mode); |
| 58 | canvas.drawBitmap(source, fDX - bounds.left(), fDY - bounds.top(), &paint); |
| 59 | *dst = device->accessBitmap(false); |
| 60 | offset->fX += bounds.left(); |
| 61 | offset->fY += bounds.top(); |
| 62 | return true; |
| 63 | } |
| 64 | |
robertphillips | f3f5bad | 2014-12-19 13:49:15 -0800 | [diff] [blame] | 65 | SK_TO_STRING_OVERRIDE() |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 66 | SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SimpleOffsetFilter); |
| 67 | |
| 68 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 69 | void flatten(SkWriteBuffer& buffer) const override { |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 70 | this->INHERITED::flatten(buffer); |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 71 | buffer.writeScalar(fDX); |
| 72 | buffer.writeScalar(fDY); |
| 73 | } |
| 74 | |
| 75 | private: |
commit-bot@chromium.org | 2077427 | 2014-03-18 10:28:27 +0000 | [diff] [blame] | 76 | SimpleOffsetFilter(SkScalar dx, SkScalar dy, SkImageFilter* input) |
reed | 7daaaa4 | 2014-08-21 10:53:34 -0700 | [diff] [blame] | 77 | : SkImageFilter(1, &input), fDX(dx), fDY(dy) {} |
commit-bot@chromium.org | 2077427 | 2014-03-18 10:28:27 +0000 | [diff] [blame] | 78 | |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 79 | SkScalar fDX, fDY; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 80 | |
| 81 | typedef SkImageFilter INHERITED; |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 82 | }; |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 83 | |
reed | 7daaaa4 | 2014-08-21 10:53:34 -0700 | [diff] [blame] | 84 | static SimpleOffsetFilter::Registrar gReg; |
| 85 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 86 | SkFlattenable* SimpleOffsetFilter::CreateProc(SkReadBuffer& buffer) { |
| 87 | SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); |
| 88 | SkScalar dx = buffer.readScalar(); |
| 89 | SkScalar dy = buffer.readScalar(); |
| 90 | return Create(dx, dy, common.getInput(0)); |
| 91 | } |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 92 | |
robertphillips | f3f5bad | 2014-12-19 13:49:15 -0800 | [diff] [blame] | 93 | #ifndef SK_IGNORE_TO_STRING |
| 94 | void SimpleOffsetFilter::toString(SkString* str) const { |
| 95 | str->appendf("SimpleOffsetFilter: ("); |
| 96 | str->append(")"); |
| 97 | } |
| 98 | #endif |
| 99 | |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 100 | class ImageFiltersGraphGM : public skiagm::GM { |
| 101 | public: |
commit-bot@chromium.org | 60c8d24 | 2014-05-27 16:28:43 +0000 | [diff] [blame] | 102 | ImageFiltersGraphGM() {} |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 103 | |
| 104 | protected: |
commit-bot@chromium.org | a90c680 | 2014-04-30 13:20:45 +0000 | [diff] [blame] | 105 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 106 | SkString onShortName() override { |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 107 | return SkString("imagefiltersgraph"); |
| 108 | } |
| 109 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 110 | SkISize onISize() override { return SkISize::Make(500, 150); } |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 111 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 112 | void onOnceBeforeDraw() override { |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 113 | fImage.reset(SkImage::NewFromBitmap( |
| 114 | sk_tool_utils::create_string_bitmap(100, 100, SK_ColorWHITE, 20, 70, 96, "e"))); |
commit-bot@chromium.org | 60c8d24 | 2014-05-27 16:28:43 +0000 | [diff] [blame] | 115 | } |
| 116 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 117 | void onDraw(SkCanvas* canvas) override { |
mtklein | 871ad7a | 2015-03-27 12:33:46 -0700 | [diff] [blame] | 118 | canvas->clear(SK_ColorBLACK); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 119 | { |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 120 | SkAutoTUnref<SkImageFilter> bitmapSource(SkImageSource::Create(fImage)); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 121 | SkAutoTUnref<SkColorFilter> cf(SkColorFilter::CreateModeFilter(SK_ColorRED, |
| 122 | SkXfermode::kSrcIn_Mode)); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 123 | SkAutoTUnref<SkImageFilter> blur(SkBlurImageFilter::Create(4.0f, 4.0f, bitmapSource)); |
| 124 | SkAutoTUnref<SkImageFilter> erode(SkErodeImageFilter::Create(4, 4, blur)); |
senorblanco@chromium.org | cd9f559 | 2012-10-26 19:37:00 +0000 | [diff] [blame] | 125 | SkAutoTUnref<SkImageFilter> color(SkColorFilterImageFilter::Create(cf, erode)); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 126 | SkAutoTUnref<SkImageFilter> merge(SkMergeImageFilter::Create(blur, color)); |
rmistry@google.com | ae933ce | 2012-08-23 18:19:56 +0000 | [diff] [blame] | 127 | |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 128 | SkPaint paint; |
| 129 | paint.setImageFilter(merge); |
| 130 | canvas->drawPaint(paint); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 131 | canvas->translate(SkIntToScalar(100), 0); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 132 | } |
| 133 | { |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 134 | SkAutoTUnref<SkImageFilter> morph(SkDilateImageFilter::Create(5, 5)); |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 135 | |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 136 | SkScalar matrix[20] = { SK_Scalar1, 0, 0, 0, 0, |
| 137 | 0, SK_Scalar1, 0, 0, 0, |
| 138 | 0, 0, SK_Scalar1, 0, 0, |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 139 | 0, 0, 0, 0.5f, 0 }; |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 140 | |
commit-bot@chromium.org | 727a352 | 2014-02-21 18:46:30 +0000 | [diff] [blame] | 141 | SkAutoTUnref<SkColorFilter> matrixFilter(SkColorMatrixFilter::Create(matrix)); |
senorblanco@chromium.org | cd9f559 | 2012-10-26 19:37:00 +0000 | [diff] [blame] | 142 | SkAutoTUnref<SkImageFilter> colorMorph(SkColorFilterImageFilter::Create(matrixFilter, morph)); |
senorblanco@chromium.org | 350b4d5 | 2013-08-01 14:59:05 +0000 | [diff] [blame] | 143 | SkAutoTUnref<SkXfermode> mode(SkXfermode::Create(SkXfermode::kSrcOver_Mode)); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 144 | SkAutoTUnref<SkImageFilter> blendColor(SkXfermodeImageFilter::Create(mode, colorMorph)); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 145 | |
| 146 | SkPaint paint; |
| 147 | paint.setImageFilter(blendColor); |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 148 | DrawClippedImage(canvas, fImage, paint); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 149 | canvas->translate(SkIntToScalar(100), 0); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 150 | } |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 151 | { |
| 152 | SkScalar matrix[20] = { SK_Scalar1, 0, 0, 0, 0, |
| 153 | 0, SK_Scalar1, 0, 0, 0, |
| 154 | 0, 0, SK_Scalar1, 0, 0, |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 155 | 0, 0, 0, 0.5f, 0 }; |
reed | 5e1ddb1 | 2015-12-21 08:52:45 -0800 | [diff] [blame] | 156 | SkAutoTUnref<SkColorFilter> matrixCF(SkColorMatrixFilter::Create(matrix)); |
commit-bot@chromium.org | 727a352 | 2014-02-21 18:46:30 +0000 | [diff] [blame] | 157 | SkAutoTUnref<SkImageFilter> matrixFilter(SkColorFilterImageFilter::Create(matrixCF)); |
commit-bot@chromium.org | 2077427 | 2014-03-18 10:28:27 +0000 | [diff] [blame] | 158 | SkAutoTUnref<SkImageFilter> offsetFilter( |
| 159 | SimpleOffsetFilter::Create(10.0f, 10.f, matrixFilter)); |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 160 | |
| 161 | SkAutoTUnref<SkXfermode> arith(SkArithmeticMode::Create(0, SK_Scalar1, SK_Scalar1, 0)); |
reed | 5e1ddb1 | 2015-12-21 08:52:45 -0800 | [diff] [blame] | 162 | SkAutoTUnref<SkImageFilter> arithFilter( |
commit-bot@chromium.org | 2077427 | 2014-03-18 10:28:27 +0000 | [diff] [blame] | 163 | SkXfermodeImageFilter::Create(arith, matrixFilter, offsetFilter)); |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 164 | |
| 165 | SkPaint paint; |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 166 | paint.setImageFilter(arithFilter); |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 167 | DrawClippedImage(canvas, fImage, paint); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 168 | canvas->translate(SkIntToScalar(100), 0); |
| 169 | } |
| 170 | { |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 171 | SkAutoTUnref<SkImageFilter> blur(SkBlurImageFilter::Create( |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 172 | SkIntToScalar(10), SkIntToScalar(10))); |
| 173 | |
| 174 | SkAutoTUnref<SkXfermode> mode(SkXfermode::Create(SkXfermode::kSrcIn_Mode)); |
| 175 | SkImageFilter::CropRect cropRect(SkRect::MakeWH(SkIntToScalar(95), SkIntToScalar(100))); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 176 | SkAutoTUnref<SkImageFilter> blend( |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 177 | SkXfermodeImageFilter::Create(mode, blur, nullptr, &cropRect)); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 178 | |
| 179 | SkPaint paint; |
| 180 | paint.setImageFilter(blend); |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 181 | DrawClippedImage(canvas, fImage, paint); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 182 | canvas->translate(SkIntToScalar(100), 0); |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 183 | } |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 184 | { |
| 185 | // Test that crop offsets are absolute, not relative to the parent's crop rect. |
| 186 | SkAutoTUnref<SkColorFilter> cf1(SkColorFilter::CreateModeFilter(SK_ColorBLUE, |
| 187 | SkXfermode::kSrcIn_Mode)); |
| 188 | SkAutoTUnref<SkColorFilter> cf2(SkColorFilter::CreateModeFilter(SK_ColorGREEN, |
| 189 | SkXfermode::kSrcIn_Mode)); |
| 190 | SkImageFilter::CropRect outerRect(SkRect::MakeXYWH(SkIntToScalar(10), SkIntToScalar(10), |
| 191 | SkIntToScalar(80), SkIntToScalar(80))); |
| 192 | SkImageFilter::CropRect innerRect(SkRect::MakeXYWH(SkIntToScalar(20), SkIntToScalar(20), |
| 193 | SkIntToScalar(60), SkIntToScalar(60))); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 194 | SkAutoTUnref<SkImageFilter> color1(SkColorFilterImageFilter::Create(cf1, nullptr, &outerRect)); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 195 | SkAutoTUnref<SkImageFilter> color2(SkColorFilterImageFilter::Create(cf2, color1, &innerRect)); |
| 196 | |
| 197 | SkPaint paint; |
| 198 | paint.setImageFilter(color2); |
mtklein | 871ad7a | 2015-03-27 12:33:46 -0700 | [diff] [blame] | 199 | paint.setColor(SK_ColorRED); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 200 | canvas->drawRect(SkRect::MakeXYWH(0, 0, 100, 100), paint); |
| 201 | canvas->translate(SkIntToScalar(100), 0); |
| 202 | } |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 203 | } |
| 204 | |
| 205 | private: |
fmalita | 5598b63 | 2015-09-15 11:26:13 -0700 | [diff] [blame] | 206 | static void DrawClippedImage(SkCanvas* canvas, const SkImage* image, const SkPaint& paint) { |
| 207 | canvas->save(); |
| 208 | canvas->clipRect(SkRect::MakeIWH(image->width(), image->height())); |
| 209 | canvas->drawImage(image, 0, 0, &paint); |
| 210 | canvas->restore(); |
| 211 | } |
| 212 | |
| 213 | SkAutoTUnref<SkImage> fImage; |
| 214 | |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 215 | typedef GM INHERITED; |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 216 | }; |
| 217 | |
| 218 | /////////////////////////////////////////////////////////////////////////////// |
| 219 | |
robertphillips | 943a462 | 2015-09-03 13:32:33 -0700 | [diff] [blame] | 220 | DEF_GM(return new ImageFiltersGraphGM;) |