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 "SkBitmapSource.h" |
| 13 | #include "SkBlurImageFilter.h" |
senorblanco@chromium.org | 44888c6 | 2012-08-20 19:23:24 +0000 | [diff] [blame] | 14 | #include "SkColorFilter.h" |
| 15 | #include "SkColorFilterImageFilter.h" |
commit-bot@chromium.org | 6c4e71a | 2013-11-20 21:32:10 +0000 | [diff] [blame] | 16 | #include "SkColorMatrixFilter.h" |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 17 | #include "SkReadBuffer.h" |
| 18 | #include "SkWriteBuffer.h" |
senorblanco@chromium.org | 4a9a612 | 2012-12-04 14:18:50 +0000 | [diff] [blame] | 19 | #include "SkMergeImageFilter.h" |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 20 | #include "SkMorphologyImageFilter.h" |
commit-bot@chromium.org | 6c4e71a | 2013-11-20 21:32:10 +0000 | [diff] [blame] | 21 | #include "SkTestImageFilters.h" |
senorblanco@chromium.org | 350b4d5 | 2013-08-01 14:59:05 +0000 | [diff] [blame] | 22 | #include "SkXfermodeImageFilter.h" |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 23 | |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 24 | // More closely models how Blink's OffsetFilter works as of 10/23/13. SkOffsetImageFilter doesn't |
| 25 | // perform a draw and this one does. |
| 26 | class SimpleOffsetFilter : public SkImageFilter { |
| 27 | public: |
reed | 7daaaa4 | 2014-08-21 10:53:34 -0700 | [diff] [blame] | 28 | class Registrar { |
| 29 | public: |
| 30 | Registrar() { |
| 31 | SkFlattenable::Register("SimpleOffsetFilter", |
reed | 7daaaa4 | 2014-08-21 10:53:34 -0700 | [diff] [blame] | 32 | SimpleOffsetFilter::CreateProc, |
reed | 7daaaa4 | 2014-08-21 10:53:34 -0700 | [diff] [blame] | 33 | SimpleOffsetFilter::GetFlattenableType()); |
| 34 | } |
| 35 | }; |
commit-bot@chromium.org | 2077427 | 2014-03-18 10:28:27 +0000 | [diff] [blame] | 36 | static SkImageFilter* Create(SkScalar dx, SkScalar dy, SkImageFilter* input) { |
| 37 | return SkNEW_ARGS(SimpleOffsetFilter, (dx, dy, input)); |
| 38 | } |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 39 | |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 40 | virtual bool onFilterImage(Proxy* proxy, const SkBitmap& src, const Context& ctx, |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 41 | SkBitmap* dst, SkIPoint* offset) const override { |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 42 | SkBitmap source = src; |
| 43 | SkImageFilter* input = getInput(0); |
| 44 | SkIPoint srcOffset = SkIPoint::Make(0, 0); |
bsalomon | 49f085d | 2014-09-05 13:34:00 -0700 | [diff] [blame] | 45 | if (input && !input->filterImage(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 | |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 106 | virtual SkString onShortName() { |
| 107 | return SkString("imagefiltersgraph"); |
| 108 | } |
| 109 | |
| 110 | void make_bitmap() { |
reed@google.com | eb9a46c | 2014-01-25 16:46:20 +0000 | [diff] [blame] | 111 | fBitmap.allocN32Pixels(100, 100); |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 112 | SkCanvas canvas(fBitmap); |
mtklein | 871ad7a | 2015-03-27 12:33:46 -0700 | [diff] [blame] | 113 | canvas.clear(SK_ColorTRANSPARENT); |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 114 | SkPaint paint; |
| 115 | paint.setAntiAlias(true); |
Cary Clark | 992c7b0 | 2014-07-31 08:58:44 -0400 | [diff] [blame] | 116 | sk_tool_utils::set_portable_typeface(&paint); |
mtklein | 871ad7a | 2015-03-27 12:33:46 -0700 | [diff] [blame] | 117 | paint.setColor(SK_ColorWHITE); |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 118 | paint.setTextSize(SkIntToScalar(96)); |
| 119 | const char* str = "e"; |
| 120 | canvas.drawText(str, strlen(str), SkIntToScalar(20), SkIntToScalar(70), paint); |
| 121 | } |
| 122 | |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 123 | void drawClippedBitmap(SkCanvas* canvas, const SkBitmap& bitmap, const SkPaint& paint) { |
| 124 | canvas->save(); |
| 125 | canvas->clipRect(SkRect::MakeXYWH(0, 0, |
| 126 | SkIntToScalar(bitmap.width()), SkIntToScalar(bitmap.height()))); |
| 127 | canvas->drawBitmap(bitmap, 0, 0, &paint); |
| 128 | canvas->restore(); |
| 129 | } |
| 130 | |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 131 | virtual SkISize onISize() { return SkISize::Make(500, 150); } |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 132 | |
commit-bot@chromium.org | 60c8d24 | 2014-05-27 16:28:43 +0000 | [diff] [blame] | 133 | virtual void onOnceBeforeDraw() { |
| 134 | this->make_bitmap(); |
| 135 | } |
| 136 | |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 137 | virtual void onDraw(SkCanvas* canvas) { |
mtklein | 871ad7a | 2015-03-27 12:33:46 -0700 | [diff] [blame] | 138 | canvas->clear(SK_ColorBLACK); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 139 | { |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 140 | SkAutoTUnref<SkImageFilter> bitmapSource(SkBitmapSource::Create(fBitmap)); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 141 | SkAutoTUnref<SkColorFilter> cf(SkColorFilter::CreateModeFilter(SK_ColorRED, |
| 142 | SkXfermode::kSrcIn_Mode)); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 143 | SkAutoTUnref<SkImageFilter> blur(SkBlurImageFilter::Create(4.0f, 4.0f, bitmapSource)); |
| 144 | SkAutoTUnref<SkImageFilter> erode(SkErodeImageFilter::Create(4, 4, blur)); |
senorblanco@chromium.org | cd9f559 | 2012-10-26 19:37:00 +0000 | [diff] [blame] | 145 | SkAutoTUnref<SkImageFilter> color(SkColorFilterImageFilter::Create(cf, erode)); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 146 | SkAutoTUnref<SkImageFilter> merge(SkMergeImageFilter::Create(blur, color)); |
rmistry@google.com | ae933ce | 2012-08-23 18:19:56 +0000 | [diff] [blame] | 147 | |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 148 | SkPaint paint; |
| 149 | paint.setImageFilter(merge); |
| 150 | canvas->drawPaint(paint); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 151 | canvas->translate(SkIntToScalar(100), 0); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 152 | } |
| 153 | { |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 154 | SkAutoTUnref<SkImageFilter> morph(SkDilateImageFilter::Create(5, 5)); |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 155 | |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 156 | SkScalar matrix[20] = { SK_Scalar1, 0, 0, 0, 0, |
| 157 | 0, SK_Scalar1, 0, 0, 0, |
| 158 | 0, 0, SK_Scalar1, 0, 0, |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 159 | 0, 0, 0, 0.5f, 0 }; |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 160 | |
commit-bot@chromium.org | 727a352 | 2014-02-21 18:46:30 +0000 | [diff] [blame] | 161 | SkAutoTUnref<SkColorFilter> matrixFilter(SkColorMatrixFilter::Create(matrix)); |
senorblanco@chromium.org | cd9f559 | 2012-10-26 19:37:00 +0000 | [diff] [blame] | 162 | SkAutoTUnref<SkImageFilter> colorMorph(SkColorFilterImageFilter::Create(matrixFilter, morph)); |
senorblanco@chromium.org | 350b4d5 | 2013-08-01 14:59:05 +0000 | [diff] [blame] | 163 | SkAutoTUnref<SkXfermode> mode(SkXfermode::Create(SkXfermode::kSrcOver_Mode)); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 164 | SkAutoTUnref<SkImageFilter> blendColor(SkXfermodeImageFilter::Create(mode, colorMorph)); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 165 | |
| 166 | SkPaint paint; |
| 167 | paint.setImageFilter(blendColor); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 168 | drawClippedBitmap(canvas, fBitmap, paint); |
| 169 | canvas->translate(SkIntToScalar(100), 0); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 170 | } |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 171 | { |
| 172 | SkScalar matrix[20] = { SK_Scalar1, 0, 0, 0, 0, |
| 173 | 0, SK_Scalar1, 0, 0, 0, |
| 174 | 0, 0, SK_Scalar1, 0, 0, |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 175 | 0, 0, 0, 0.5f, 0 }; |
commit-bot@chromium.org | 727a352 | 2014-02-21 18:46:30 +0000 | [diff] [blame] | 176 | SkAutoTUnref<SkColorMatrixFilter> matrixCF(SkColorMatrixFilter::Create(matrix)); |
| 177 | SkAutoTUnref<SkImageFilter> matrixFilter(SkColorFilterImageFilter::Create(matrixCF)); |
commit-bot@chromium.org | 2077427 | 2014-03-18 10:28:27 +0000 | [diff] [blame] | 178 | SkAutoTUnref<SkImageFilter> offsetFilter( |
| 179 | SimpleOffsetFilter::Create(10.0f, 10.f, matrixFilter)); |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 180 | |
| 181 | SkAutoTUnref<SkXfermode> arith(SkArithmeticMode::Create(0, SK_Scalar1, SK_Scalar1, 0)); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 182 | SkAutoTUnref<SkXfermodeImageFilter> arithFilter( |
commit-bot@chromium.org | 2077427 | 2014-03-18 10:28:27 +0000 | [diff] [blame] | 183 | SkXfermodeImageFilter::Create(arith, matrixFilter, offsetFilter)); |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 184 | |
| 185 | SkPaint paint; |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 186 | paint.setImageFilter(arithFilter); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 187 | drawClippedBitmap(canvas, fBitmap, paint); |
| 188 | canvas->translate(SkIntToScalar(100), 0); |
| 189 | } |
| 190 | { |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 191 | SkAutoTUnref<SkImageFilter> blur(SkBlurImageFilter::Create( |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 192 | SkIntToScalar(10), SkIntToScalar(10))); |
| 193 | |
| 194 | SkAutoTUnref<SkXfermode> mode(SkXfermode::Create(SkXfermode::kSrcIn_Mode)); |
| 195 | SkImageFilter::CropRect cropRect(SkRect::MakeWH(SkIntToScalar(95), SkIntToScalar(100))); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 196 | SkAutoTUnref<SkImageFilter> blend( |
| 197 | SkXfermodeImageFilter::Create(mode, blur, NULL, &cropRect)); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 198 | |
| 199 | SkPaint paint; |
| 200 | paint.setImageFilter(blend); |
| 201 | drawClippedBitmap(canvas, fBitmap, paint); |
| 202 | canvas->translate(SkIntToScalar(100), 0); |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 203 | } |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 204 | { |
| 205 | // Test that crop offsets are absolute, not relative to the parent's crop rect. |
| 206 | SkAutoTUnref<SkColorFilter> cf1(SkColorFilter::CreateModeFilter(SK_ColorBLUE, |
| 207 | SkXfermode::kSrcIn_Mode)); |
| 208 | SkAutoTUnref<SkColorFilter> cf2(SkColorFilter::CreateModeFilter(SK_ColorGREEN, |
| 209 | SkXfermode::kSrcIn_Mode)); |
| 210 | SkImageFilter::CropRect outerRect(SkRect::MakeXYWH(SkIntToScalar(10), SkIntToScalar(10), |
| 211 | SkIntToScalar(80), SkIntToScalar(80))); |
| 212 | SkImageFilter::CropRect innerRect(SkRect::MakeXYWH(SkIntToScalar(20), SkIntToScalar(20), |
| 213 | SkIntToScalar(60), SkIntToScalar(60))); |
| 214 | SkAutoTUnref<SkImageFilter> color1(SkColorFilterImageFilter::Create(cf1, NULL, &outerRect)); |
| 215 | SkAutoTUnref<SkImageFilter> color2(SkColorFilterImageFilter::Create(cf2, color1, &innerRect)); |
| 216 | |
| 217 | SkPaint paint; |
| 218 | paint.setImageFilter(color2); |
mtklein | 871ad7a | 2015-03-27 12:33:46 -0700 | [diff] [blame] | 219 | paint.setColor(SK_ColorRED); |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 220 | canvas->drawRect(SkRect::MakeXYWH(0, 0, 100, 100), paint); |
| 221 | canvas->translate(SkIntToScalar(100), 0); |
| 222 | } |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 223 | } |
| 224 | |
| 225 | private: |
| 226 | typedef GM INHERITED; |
| 227 | SkBitmap fBitmap; |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 228 | }; |
| 229 | |
| 230 | /////////////////////////////////////////////////////////////////////////////// |
| 231 | |
| 232 | static skiagm::GM* MyFactory(void*) { return new ImageFiltersGraphGM; } |
| 233 | static skiagm::GMRegistry reg(MyFactory); |