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", |
| 32 | #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING |
| 33 | SimpleOffsetFilter::DeepCreateProc, |
| 34 | #else |
| 35 | SimpleOffsetFilter::CreateProc, |
| 36 | #endif |
| 37 | SimpleOffsetFilter::GetFlattenableType()); |
| 38 | } |
| 39 | }; |
commit-bot@chromium.org | 2077427 | 2014-03-18 10:28:27 +0000 | [diff] [blame] | 40 | static SkImageFilter* Create(SkScalar dx, SkScalar dy, SkImageFilter* input) { |
| 41 | return SkNEW_ARGS(SimpleOffsetFilter, (dx, dy, input)); |
| 42 | } |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 43 | |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 44 | virtual bool onFilterImage(Proxy* proxy, const SkBitmap& src, const Context& ctx, |
commit-bot@chromium.org | ae761f7 | 2014-02-05 22:32:02 +0000 | [diff] [blame] | 45 | SkBitmap* dst, SkIPoint* offset) const SK_OVERRIDE { |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 46 | SkBitmap source = src; |
| 47 | SkImageFilter* input = getInput(0); |
| 48 | SkIPoint srcOffset = SkIPoint::Make(0, 0); |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 49 | if (NULL != input && !input->filterImage(proxy, src, ctx, &source, &srcOffset)) { |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 50 | return false; |
| 51 | } |
| 52 | |
| 53 | SkIRect bounds; |
senorblanco@chromium.org | 1182529 | 2014-03-14 17:44:41 +0000 | [diff] [blame] | 54 | if (!this->applyCropRect(ctx, proxy, source, &srcOffset, &bounds, &source)) { |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 55 | return false; |
| 56 | } |
| 57 | |
| 58 | SkAutoTUnref<SkBaseDevice> device(proxy->createDevice(bounds.width(), bounds.height())); |
| 59 | SkCanvas canvas(device); |
| 60 | SkPaint paint; |
| 61 | paint.setXfermodeMode(SkXfermode::kSrc_Mode); |
| 62 | canvas.drawBitmap(source, fDX - bounds.left(), fDY - bounds.top(), &paint); |
| 63 | *dst = device->accessBitmap(false); |
| 64 | offset->fX += bounds.left(); |
| 65 | offset->fY += bounds.top(); |
| 66 | return true; |
| 67 | } |
| 68 | |
| 69 | SK_DECLARE_PUBLIC_FLATTENABLE_DESERIALIZATION_PROCS(SimpleOffsetFilter); |
| 70 | |
| 71 | protected: |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 72 | #ifdef SK_SUPPORT_LEGACY_DEEPFLATTENING |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 73 | explicit SimpleOffsetFilter(SkReadBuffer& buffer) |
commit-bot@chromium.org | ce33d60 | 2013-11-25 21:46:31 +0000 | [diff] [blame] | 74 | : SkImageFilter(1, buffer) { |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 75 | fDX = buffer.readScalar(); |
| 76 | fDY = buffer.readScalar(); |
| 77 | } |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 78 | #endif |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 79 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 80 | virtual void flatten(SkWriteBuffer& buffer) const SK_OVERRIDE { |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 81 | this->INHERITED::flatten(buffer); |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 82 | buffer.writeScalar(fDX); |
| 83 | buffer.writeScalar(fDY); |
| 84 | } |
| 85 | |
| 86 | private: |
commit-bot@chromium.org | 2077427 | 2014-03-18 10:28:27 +0000 | [diff] [blame] | 87 | SimpleOffsetFilter(SkScalar dx, SkScalar dy, SkImageFilter* input) |
reed | 7daaaa4 | 2014-08-21 10:53:34 -0700 | [diff] [blame] | 88 | : SkImageFilter(1, &input), fDX(dx), fDY(dy) {} |
commit-bot@chromium.org | 2077427 | 2014-03-18 10:28:27 +0000 | [diff] [blame] | 89 | |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 90 | SkScalar fDX, fDY; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 91 | |
| 92 | typedef SkImageFilter INHERITED; |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 93 | }; |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 94 | |
reed | 7daaaa4 | 2014-08-21 10:53:34 -0700 | [diff] [blame] | 95 | static SimpleOffsetFilter::Registrar gReg; |
| 96 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 97 | SkFlattenable* SimpleOffsetFilter::CreateProc(SkReadBuffer& buffer) { |
| 98 | SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); |
| 99 | SkScalar dx = buffer.readScalar(); |
| 100 | SkScalar dy = buffer.readScalar(); |
| 101 | return Create(dx, dy, common.getInput(0)); |
| 102 | } |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 103 | |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 104 | class ImageFiltersGraphGM : public skiagm::GM { |
| 105 | public: |
commit-bot@chromium.org | 60c8d24 | 2014-05-27 16:28:43 +0000 | [diff] [blame] | 106 | ImageFiltersGraphGM() {} |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 107 | |
| 108 | protected: |
commit-bot@chromium.org | a90c680 | 2014-04-30 13:20:45 +0000 | [diff] [blame] | 109 | virtual uint32_t onGetFlags() const SK_OVERRIDE { |
| 110 | return kSkipTiled_Flag; |
| 111 | } |
| 112 | |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 113 | virtual SkString onShortName() { |
| 114 | return SkString("imagefiltersgraph"); |
| 115 | } |
| 116 | |
| 117 | void make_bitmap() { |
reed@google.com | eb9a46c | 2014-01-25 16:46:20 +0000 | [diff] [blame] | 118 | fBitmap.allocN32Pixels(100, 100); |
commit-bot@chromium.org | c3bd8af | 2014-02-13 17:14:46 +0000 | [diff] [blame] | 119 | SkCanvas canvas(fBitmap); |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 120 | canvas.clear(0x00000000); |
| 121 | SkPaint paint; |
| 122 | paint.setAntiAlias(true); |
Cary Clark | 992c7b0 | 2014-07-31 08:58:44 -0400 | [diff] [blame] | 123 | sk_tool_utils::set_portable_typeface(&paint); |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 124 | paint.setColor(0xFFFFFFFF); |
| 125 | paint.setTextSize(SkIntToScalar(96)); |
| 126 | const char* str = "e"; |
| 127 | canvas.drawText(str, strlen(str), SkIntToScalar(20), SkIntToScalar(70), paint); |
| 128 | } |
| 129 | |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 130 | void drawClippedBitmap(SkCanvas* canvas, const SkBitmap& bitmap, const SkPaint& paint) { |
| 131 | canvas->save(); |
| 132 | canvas->clipRect(SkRect::MakeXYWH(0, 0, |
| 133 | SkIntToScalar(bitmap.width()), SkIntToScalar(bitmap.height()))); |
| 134 | canvas->drawBitmap(bitmap, 0, 0, &paint); |
| 135 | canvas->restore(); |
| 136 | } |
| 137 | |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 138 | virtual SkISize onISize() { return SkISize::Make(500, 150); } |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 139 | |
commit-bot@chromium.org | 60c8d24 | 2014-05-27 16:28:43 +0000 | [diff] [blame] | 140 | virtual void onOnceBeforeDraw() { |
| 141 | this->make_bitmap(); |
| 142 | } |
| 143 | |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 144 | virtual void onDraw(SkCanvas* canvas) { |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 145 | canvas->clear(0x00000000); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 146 | { |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 147 | SkAutoTUnref<SkImageFilter> bitmapSource(SkBitmapSource::Create(fBitmap)); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 148 | SkAutoTUnref<SkColorFilter> cf(SkColorFilter::CreateModeFilter(SK_ColorRED, |
| 149 | SkXfermode::kSrcIn_Mode)); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 150 | SkAutoTUnref<SkImageFilter> blur(SkBlurImageFilter::Create(4.0f, 4.0f, bitmapSource)); |
| 151 | SkAutoTUnref<SkImageFilter> erode(SkErodeImageFilter::Create(4, 4, blur)); |
senorblanco@chromium.org | cd9f559 | 2012-10-26 19:37:00 +0000 | [diff] [blame] | 152 | SkAutoTUnref<SkImageFilter> color(SkColorFilterImageFilter::Create(cf, erode)); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 153 | SkAutoTUnref<SkImageFilter> merge(SkMergeImageFilter::Create(blur, color)); |
rmistry@google.com | ae933ce | 2012-08-23 18:19:56 +0000 | [diff] [blame] | 154 | |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 155 | SkPaint paint; |
| 156 | paint.setImageFilter(merge); |
| 157 | canvas->drawPaint(paint); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 158 | canvas->translate(SkIntToScalar(100), 0); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 159 | } |
| 160 | { |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 161 | SkAutoTUnref<SkImageFilter> morph(SkDilateImageFilter::Create(5, 5)); |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 162 | |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 163 | SkScalar matrix[20] = { SK_Scalar1, 0, 0, 0, 0, |
| 164 | 0, SK_Scalar1, 0, 0, 0, |
| 165 | 0, 0, SK_Scalar1, 0, 0, |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 166 | 0, 0, 0, 0.5f, 0 }; |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 167 | |
commit-bot@chromium.org | 727a352 | 2014-02-21 18:46:30 +0000 | [diff] [blame] | 168 | SkAutoTUnref<SkColorFilter> matrixFilter(SkColorMatrixFilter::Create(matrix)); |
senorblanco@chromium.org | cd9f559 | 2012-10-26 19:37:00 +0000 | [diff] [blame] | 169 | SkAutoTUnref<SkImageFilter> colorMorph(SkColorFilterImageFilter::Create(matrixFilter, morph)); |
senorblanco@chromium.org | 350b4d5 | 2013-08-01 14:59:05 +0000 | [diff] [blame] | 170 | SkAutoTUnref<SkXfermode> mode(SkXfermode::Create(SkXfermode::kSrcOver_Mode)); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 171 | SkAutoTUnref<SkImageFilter> blendColor(SkXfermodeImageFilter::Create(mode, colorMorph)); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 172 | |
| 173 | SkPaint paint; |
| 174 | paint.setImageFilter(blendColor); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 175 | drawClippedBitmap(canvas, fBitmap, paint); |
| 176 | canvas->translate(SkIntToScalar(100), 0); |
senorblanco@chromium.org | 985fa79 | 2012-10-24 15:14:26 +0000 | [diff] [blame] | 177 | } |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 178 | { |
| 179 | SkScalar matrix[20] = { SK_Scalar1, 0, 0, 0, 0, |
| 180 | 0, SK_Scalar1, 0, 0, 0, |
| 181 | 0, 0, SK_Scalar1, 0, 0, |
commit-bot@chromium.org | 4b413c8 | 2013-11-25 19:44:07 +0000 | [diff] [blame] | 182 | 0, 0, 0, 0.5f, 0 }; |
commit-bot@chromium.org | 727a352 | 2014-02-21 18:46:30 +0000 | [diff] [blame] | 183 | SkAutoTUnref<SkColorMatrixFilter> matrixCF(SkColorMatrixFilter::Create(matrix)); |
| 184 | SkAutoTUnref<SkImageFilter> matrixFilter(SkColorFilterImageFilter::Create(matrixCF)); |
commit-bot@chromium.org | 2077427 | 2014-03-18 10:28:27 +0000 | [diff] [blame] | 185 | SkAutoTUnref<SkImageFilter> offsetFilter( |
| 186 | SimpleOffsetFilter::Create(10.0f, 10.f, matrixFilter)); |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 187 | |
| 188 | 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] | 189 | SkAutoTUnref<SkXfermodeImageFilter> arithFilter( |
commit-bot@chromium.org | 2077427 | 2014-03-18 10:28:27 +0000 | [diff] [blame] | 190 | SkXfermodeImageFilter::Create(arith, matrixFilter, offsetFilter)); |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 191 | |
| 192 | SkPaint paint; |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 193 | paint.setImageFilter(arithFilter); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 194 | drawClippedBitmap(canvas, fBitmap, paint); |
| 195 | canvas->translate(SkIntToScalar(100), 0); |
| 196 | } |
| 197 | { |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 198 | SkAutoTUnref<SkImageFilter> blur(SkBlurImageFilter::Create( |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 199 | SkIntToScalar(10), SkIntToScalar(10))); |
| 200 | |
| 201 | SkAutoTUnref<SkXfermode> mode(SkXfermode::Create(SkXfermode::kSrcIn_Mode)); |
| 202 | SkImageFilter::CropRect cropRect(SkRect::MakeWH(SkIntToScalar(95), SkIntToScalar(100))); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 203 | SkAutoTUnref<SkImageFilter> blend( |
| 204 | SkXfermodeImageFilter::Create(mode, blur, NULL, &cropRect)); |
senorblanco@chromium.org | 34a849d | 2013-10-24 15:59:31 +0000 | [diff] [blame] | 205 | |
| 206 | SkPaint paint; |
| 207 | paint.setImageFilter(blend); |
| 208 | drawClippedBitmap(canvas, fBitmap, paint); |
| 209 | canvas->translate(SkIntToScalar(100), 0); |
commit-bot@chromium.org | bbfe454 | 2013-10-24 01:46:11 +0000 | [diff] [blame] | 210 | } |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 211 | { |
| 212 | // Test that crop offsets are absolute, not relative to the parent's crop rect. |
| 213 | SkAutoTUnref<SkColorFilter> cf1(SkColorFilter::CreateModeFilter(SK_ColorBLUE, |
| 214 | SkXfermode::kSrcIn_Mode)); |
| 215 | SkAutoTUnref<SkColorFilter> cf2(SkColorFilter::CreateModeFilter(SK_ColorGREEN, |
| 216 | SkXfermode::kSrcIn_Mode)); |
| 217 | SkImageFilter::CropRect outerRect(SkRect::MakeXYWH(SkIntToScalar(10), SkIntToScalar(10), |
| 218 | SkIntToScalar(80), SkIntToScalar(80))); |
| 219 | SkImageFilter::CropRect innerRect(SkRect::MakeXYWH(SkIntToScalar(20), SkIntToScalar(20), |
| 220 | SkIntToScalar(60), SkIntToScalar(60))); |
| 221 | SkAutoTUnref<SkImageFilter> color1(SkColorFilterImageFilter::Create(cf1, NULL, &outerRect)); |
| 222 | SkAutoTUnref<SkImageFilter> color2(SkColorFilterImageFilter::Create(cf2, color1, &innerRect)); |
| 223 | |
| 224 | SkPaint paint; |
| 225 | paint.setImageFilter(color2); |
| 226 | paint.setColor(0xFFFF0000); |
| 227 | canvas->drawRect(SkRect::MakeXYWH(0, 0, 100, 100), paint); |
| 228 | canvas->translate(SkIntToScalar(100), 0); |
| 229 | } |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 230 | } |
| 231 | |
| 232 | private: |
| 233 | typedef GM INHERITED; |
| 234 | SkBitmap fBitmap; |
senorblanco@chromium.org | f1369ce | 2012-08-20 14:53:21 +0000 | [diff] [blame] | 235 | }; |
| 236 | |
| 237 | /////////////////////////////////////////////////////////////////////////////// |
| 238 | |
| 239 | static skiagm::GM* MyFactory(void*) { return new ImageFiltersGraphGM; } |
| 240 | static skiagm::GMRegistry reg(MyFactory); |