reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2011 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/SkBlendMode.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 11 | #include "include/core/SkCanvas.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 12 | #include "include/core/SkColor.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 13 | #include "include/core/SkColorFilter.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 14 | #include "include/core/SkFlattenable.h" |
| 15 | #include "include/core/SkFont.h" |
| 16 | #include "include/core/SkImageFilter.h" |
| 17 | #include "include/core/SkPaint.h" |
| 18 | #include "include/core/SkPoint.h" |
| 19 | #include "include/core/SkRect.h" |
| 20 | #include "include/core/SkRefCnt.h" |
| 21 | #include "include/core/SkScalar.h" |
| 22 | #include "include/core/SkSize.h" |
| 23 | #include "include/core/SkString.h" |
| 24 | #include "include/core/SkTypeface.h" |
| 25 | #include "include/core/SkTypes.h" |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 26 | #include "include/effects/SkImageFilters.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 27 | #include "include/utils/SkTextUtils.h" |
Michael Ludwig | 8ee6cf3 | 2019-08-02 09:57:04 -0400 | [diff] [blame] | 28 | #include "src/core/SkImageFilter_Base.h" |
Mike Klein | c0bd9f9 | 2019-04-23 12:05:21 -0500 | [diff] [blame] | 29 | #include "src/core/SkSpecialImage.h" |
Ben Wagner | 7fde8e1 | 2019-05-01 17:28:53 -0400 | [diff] [blame] | 30 | #include "tools/ToolUtils.h" |
| 31 | |
| 32 | #include <utility> |
| 33 | |
| 34 | class SkReadBuffer; |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 35 | |
Michael Ludwig | 8ee6cf3 | 2019-08-02 09:57:04 -0400 | [diff] [blame] | 36 | class FailImageFilter : public SkImageFilter_Base { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 37 | public: |
robertphillips | 43c2ad4 | 2016-04-04 05:05:11 -0700 | [diff] [blame] | 38 | static sk_sp<SkImageFilter> Make() { |
| 39 | return sk_sp<SkImageFilter>(new FailImageFilter); |
| 40 | } |
djsollen@google.com | ba28d03 | 2012-03-26 17:57:35 +0000 | [diff] [blame] | 41 | |
Mike Klein | a3d4099 | 2018-10-20 07:54:41 -0400 | [diff] [blame] | 42 | SK_FLATTENABLE_HOOKS(FailImageFilter) |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 43 | protected: |
robertphillips | 43c2ad4 | 2016-04-04 05:05:11 -0700 | [diff] [blame] | 44 | FailImageFilter() : INHERITED(nullptr, 0, nullptr) {} |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 45 | |
Michael Ludwig | e30a485 | 2019-08-14 14:35:42 -0400 | [diff] [blame] | 46 | sk_sp<SkSpecialImage> onFilterImage(const Context&, SkIPoint* offset) const override { |
robertphillips | 4ba94e2 | 2016-04-04 12:07:47 -0700 | [diff] [blame] | 47 | return nullptr; |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 48 | } |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 49 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 50 | private: |
Mike Klein | 4fee323 | 2018-10-18 17:27:16 -0400 | [diff] [blame] | 51 | |
Michael Ludwig | 8ee6cf3 | 2019-08-02 09:57:04 -0400 | [diff] [blame] | 52 | typedef SkImageFilter_Base INHERITED; |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 53 | }; |
| 54 | |
reed | 60c9b58 | 2016-04-03 09:11:13 -0700 | [diff] [blame] | 55 | sk_sp<SkFlattenable> FailImageFilter::CreateProc(SkReadBuffer& buffer) { |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 56 | SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 0); |
robertphillips | 43c2ad4 | 2016-04-04 05:05:11 -0700 | [diff] [blame] | 57 | return FailImageFilter::Make(); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 58 | } |
djsollen@google.com | ba28d03 | 2012-03-26 17:57:35 +0000 | [diff] [blame] | 59 | |
Michael Ludwig | 8ee6cf3 | 2019-08-02 09:57:04 -0400 | [diff] [blame] | 60 | class IdentityImageFilter : public SkImageFilter_Base { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 61 | public: |
robertphillips | 43c2ad4 | 2016-04-04 05:05:11 -0700 | [diff] [blame] | 62 | static sk_sp<SkImageFilter> Make(sk_sp<SkImageFilter> input) { |
| 63 | return sk_sp<SkImageFilter>(new IdentityImageFilter(std::move(input))); |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 64 | } |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 65 | |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 66 | |
Mike Klein | a3d4099 | 2018-10-20 07:54:41 -0400 | [diff] [blame] | 67 | SK_FLATTENABLE_HOOKS(IdentityImageFilter) |
robertphillips | 43c2ad4 | 2016-04-04 05:05:11 -0700 | [diff] [blame] | 68 | protected: |
Michael Ludwig | e30a485 | 2019-08-14 14:35:42 -0400 | [diff] [blame] | 69 | sk_sp<SkSpecialImage> onFilterImage(const Context& ctx, SkIPoint* offset) const override { |
commit-bot@chromium.org | f7efa50 | 2014-04-11 18:57:00 +0000 | [diff] [blame] | 70 | offset->set(0, 0); |
Michael Ludwig | e30a485 | 2019-08-14 14:35:42 -0400 | [diff] [blame] | 71 | return sk_ref_sp<SkSpecialImage>(ctx.sourceImage()); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 72 | } |
| 73 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 74 | private: |
robertphillips | 43c2ad4 | 2016-04-04 05:05:11 -0700 | [diff] [blame] | 75 | IdentityImageFilter(sk_sp<SkImageFilter> input) : INHERITED(&input, 1, nullptr) {} |
| 76 | |
Michael Ludwig | 8ee6cf3 | 2019-08-02 09:57:04 -0400 | [diff] [blame] | 77 | typedef SkImageFilter_Base INHERITED; |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 78 | }; |
| 79 | |
Mike Klein | a3d4099 | 2018-10-20 07:54:41 -0400 | [diff] [blame] | 80 | // Register these image filters as deserializable before main(). |
| 81 | namespace { |
| 82 | static struct Initializer { |
| 83 | Initializer() { |
Mike Klein | fa5f6ce | 2018-10-20 08:21:31 -0400 | [diff] [blame] | 84 | SK_REGISTER_FLATTENABLE(IdentityImageFilter); |
| 85 | SK_REGISTER_FLATTENABLE(FailImageFilter); |
Mike Klein | a3d4099 | 2018-10-20 07:54:41 -0400 | [diff] [blame] | 86 | } |
| 87 | } initializer; |
| 88 | } |
reed | 7daaaa4 | 2014-08-21 10:53:34 -0700 | [diff] [blame] | 89 | |
reed | 60c9b58 | 2016-04-03 09:11:13 -0700 | [diff] [blame] | 90 | sk_sp<SkFlattenable> IdentityImageFilter::CreateProc(SkReadBuffer& buffer) { |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 91 | SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); |
robertphillips | 43c2ad4 | 2016-04-04 05:05:11 -0700 | [diff] [blame] | 92 | return IdentityImageFilter::Make(common.getInput(0)); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 93 | } |
djsollen@google.com | ba28d03 | 2012-03-26 17:57:35 +0000 | [diff] [blame] | 94 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 95 | /////////////////////////////////////////////////////////////////////////////// |
| 96 | |
robertphillips | 5605b56 | 2016-04-05 11:50:42 -0700 | [diff] [blame] | 97 | static void draw_paint(SkCanvas* canvas, const SkRect& r, sk_sp<SkImageFilter> imf) { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 98 | SkPaint paint; |
robertphillips | 5605b56 | 2016-04-05 11:50:42 -0700 | [diff] [blame] | 99 | paint.setImageFilter(std::move(imf)); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 100 | paint.setColor(SK_ColorGREEN); |
| 101 | canvas->save(); |
| 102 | canvas->clipRect(r); |
| 103 | canvas->drawPaint(paint); |
| 104 | canvas->restore(); |
| 105 | } |
| 106 | |
robertphillips | 5605b56 | 2016-04-05 11:50:42 -0700 | [diff] [blame] | 107 | static void draw_line(SkCanvas* canvas, const SkRect& r, sk_sp<SkImageFilter> imf) { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 108 | SkPaint paint; |
| 109 | paint.setColor(SK_ColorBLUE); |
| 110 | paint.setImageFilter(imf); |
| 111 | paint.setStrokeWidth(r.width()/10); |
| 112 | canvas->drawLine(r.fLeft, r.fTop, r.fRight, r.fBottom, paint); |
| 113 | } |
| 114 | |
robertphillips | 5605b56 | 2016-04-05 11:50:42 -0700 | [diff] [blame] | 115 | static void draw_rect(SkCanvas* canvas, const SkRect& r, sk_sp<SkImageFilter> imf) { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 116 | SkPaint paint; |
| 117 | paint.setColor(SK_ColorYELLOW); |
| 118 | paint.setImageFilter(imf); |
| 119 | SkRect rr(r); |
| 120 | rr.inset(r.width()/10, r.height()/10); |
| 121 | canvas->drawRect(rr, paint); |
| 122 | } |
| 123 | |
robertphillips | 5605b56 | 2016-04-05 11:50:42 -0700 | [diff] [blame] | 124 | static void draw_path(SkCanvas* canvas, const SkRect& r, sk_sp<SkImageFilter> imf) { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 125 | SkPaint paint; |
| 126 | paint.setColor(SK_ColorMAGENTA); |
| 127 | paint.setImageFilter(imf); |
| 128 | paint.setAntiAlias(true); |
| 129 | canvas->drawCircle(r.centerX(), r.centerY(), r.width()*2/5, paint); |
| 130 | } |
| 131 | |
robertphillips | 5605b56 | 2016-04-05 11:50:42 -0700 | [diff] [blame] | 132 | static void draw_text(SkCanvas* canvas, const SkRect& r, sk_sp<SkImageFilter> imf) { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 133 | SkPaint paint; |
| 134 | paint.setImageFilter(imf); |
| 135 | paint.setColor(SK_ColorCYAN); |
Mike Klein | ea3f014 | 2019-03-20 11:12:10 -0500 | [diff] [blame] | 136 | SkFont font(ToolUtils::create_portable_typeface(), r.height() / 2); |
Mike Reed | dc5863c | 2018-12-23 23:19:14 -0500 | [diff] [blame] | 137 | SkTextUtils::DrawString(canvas, "Text", r.centerX(), r.centerY(), font, paint, |
Mike Reed | 3a42ec0 | 2018-10-30 12:53:21 -0400 | [diff] [blame] | 138 | SkTextUtils::kCenter_Align); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 139 | } |
| 140 | |
robertphillips | 5605b56 | 2016-04-05 11:50:42 -0700 | [diff] [blame] | 141 | static void draw_bitmap(SkCanvas* canvas, const SkRect& r, sk_sp<SkImageFilter> imf) { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 142 | SkPaint paint; |
robertphillips | 5605b56 | 2016-04-05 11:50:42 -0700 | [diff] [blame] | 143 | paint.setImageFilter(std::move(imf)); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 144 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 145 | SkIRect bounds; |
| 146 | r.roundOut(&bounds); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 147 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 148 | SkBitmap bm; |
reed@google.com | eb9a46c | 2014-01-25 16:46:20 +0000 | [diff] [blame] | 149 | bm.allocN32Pixels(bounds.width(), bounds.height()); |
junov@google.com | dbfac8a | 2012-12-06 21:47:40 +0000 | [diff] [blame] | 150 | bm.eraseColor(SK_ColorTRANSPARENT); |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 151 | SkCanvas c(bm); |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 152 | draw_path(&c, r, nullptr); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 153 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 154 | canvas->drawBitmap(bm, 0, 0, &paint); |
| 155 | } |
| 156 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 157 | /////////////////////////////////////////////////////////////////////////////// |
| 158 | |
| 159 | class ImageFiltersBaseGM : public skiagm::GM { |
| 160 | public: |
| 161 | ImageFiltersBaseGM () {} |
| 162 | |
| 163 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 164 | SkString onShortName() override { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 165 | return SkString("imagefiltersbase"); |
| 166 | } |
| 167 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 168 | SkISize onISize() override { return SkISize::Make(700, 500); } |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 169 | |
| 170 | void draw_frame(SkCanvas* canvas, const SkRect& r) { |
| 171 | SkPaint paint; |
| 172 | paint.setStyle(SkPaint::kStroke_Style); |
| 173 | paint.setColor(SK_ColorRED); |
| 174 | canvas->drawRect(r, paint); |
| 175 | } |
| 176 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 177 | void onDraw(SkCanvas* canvas) override { |
robertphillips | 5605b56 | 2016-04-05 11:50:42 -0700 | [diff] [blame] | 178 | void (*drawProc[])(SkCanvas*, const SkRect&, sk_sp<SkImageFilter>) = { |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 179 | draw_paint, |
| 180 | draw_line, draw_rect, draw_path, draw_text, |
| 181 | draw_bitmap, |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 182 | }; |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 183 | |
Mike Reed | b286bc2 | 2019-04-08 16:23:20 -0400 | [diff] [blame] | 184 | auto cf = SkColorFilters::Blend(SK_ColorRED, SkBlendMode::kSrcIn); |
robertphillips | 5605b56 | 2016-04-05 11:50:42 -0700 | [diff] [blame] | 185 | sk_sp<SkImageFilter> filters[] = { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 186 | nullptr, |
robertphillips | 5605b56 | 2016-04-05 11:50:42 -0700 | [diff] [blame] | 187 | IdentityImageFilter::Make(nullptr), |
| 188 | FailImageFilter::Make(), |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 189 | SkImageFilters::ColorFilter(std::move(cf), nullptr), |
| 190 | // The strange 0.29 value tickles an edge case where crop rect calculates |
| 191 | // a small border, but the blur really needs no border. This tickles |
Herb Derby | 4fafedd | 2017-12-18 15:06:29 -0500 | [diff] [blame] | 192 | // an msan uninitialized value bug. |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 193 | SkImageFilters::Blur(12.0f, 0.29f, nullptr), |
| 194 | SkImageFilters::DropShadow(10.0f, 5.0f, 3.0f, 3.0f, SK_ColorBLUE, nullptr), |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 195 | }; |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 196 | |
| 197 | SkRect r = SkRect::MakeWH(SkIntToScalar(64), SkIntToScalar(64)); |
| 198 | SkScalar MARGIN = SkIntToScalar(16); |
| 199 | SkScalar DX = r.width() + MARGIN; |
| 200 | SkScalar DY = r.height() + MARGIN; |
| 201 | |
| 202 | canvas->translate(MARGIN, MARGIN); |
| 203 | for (size_t i = 0; i < SK_ARRAY_COUNT(drawProc); ++i) { |
| 204 | canvas->save(); |
| 205 | for (size_t j = 0; j < SK_ARRAY_COUNT(filters); ++j) { |
| 206 | drawProc[i](canvas, r, filters[j]); |
rmistry@google.com | d6176b0 | 2012-08-23 18:14:13 +0000 | [diff] [blame] | 207 | |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 208 | draw_frame(canvas, r); |
| 209 | canvas->translate(0, DY); |
| 210 | } |
| 211 | canvas->restore(); |
| 212 | canvas->translate(DX, 0); |
| 213 | } |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 214 | } |
| 215 | |
| 216 | private: |
| 217 | typedef GM INHERITED; |
| 218 | }; |
reed | 8dc0ccb | 2015-03-20 06:32:52 -0700 | [diff] [blame] | 219 | DEF_GM( return new ImageFiltersBaseGM; ) |
reed@google.com | 8926b16 | 2012-03-23 15:36:36 +0000 | [diff] [blame] | 220 | |
| 221 | /////////////////////////////////////////////////////////////////////////////// |
| 222 | |
reed | 8dc0ccb | 2015-03-20 06:32:52 -0700 | [diff] [blame] | 223 | /* |
| 224 | * Want to test combos of filter and LCD text, to be sure we disable LCD in the presence of |
| 225 | * a filter. |
| 226 | */ |
| 227 | class ImageFiltersTextBaseGM : public skiagm::GM { |
| 228 | SkString fSuffix; |
| 229 | public: |
| 230 | ImageFiltersTextBaseGM(const char suffix[]) : fSuffix(suffix) {} |
| 231 | |
| 232 | protected: |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 233 | SkString onShortName() override { |
reed | 8dc0ccb | 2015-03-20 06:32:52 -0700 | [diff] [blame] | 234 | SkString name; |
| 235 | name.printf("%s_%s", "textfilter", fSuffix.c_str()); |
| 236 | return name; |
| 237 | } |
| 238 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 239 | SkISize onISize() override { return SkISize::Make(512, 342); } |
reed | 8dc0ccb | 2015-03-20 06:32:52 -0700 | [diff] [blame] | 240 | |
Hal Canary | 6ac0df8 | 2019-01-07 16:01:22 -0500 | [diff] [blame] | 241 | void drawWaterfall(SkCanvas* canvas, const SkPaint& paint) { |
| 242 | static const SkFont::Edging kEdgings[3] = { |
| 243 | SkFont::Edging::kAlias, |
| 244 | SkFont::Edging::kAntiAlias, |
| 245 | SkFont::Edging::kSubpixelAntiAlias, |
reed | 8dc0ccb | 2015-03-20 06:32:52 -0700 | [diff] [blame] | 246 | }; |
Mike Klein | ea3f014 | 2019-03-20 11:12:10 -0500 | [diff] [blame] | 247 | SkFont font(ToolUtils::create_portable_typeface(), 30); |
reed | 8dc0ccb | 2015-03-20 06:32:52 -0700 | [diff] [blame] | 248 | |
| 249 | SkAutoCanvasRestore acr(canvas, true); |
Hal Canary | 6ac0df8 | 2019-01-07 16:01:22 -0500 | [diff] [blame] | 250 | for (SkFont::Edging edging : kEdgings) { |
| 251 | font.setEdging(edging); |
| 252 | canvas->drawString("Hamburgefon", 0, 0, font, paint); |
reed | 8dc0ccb | 2015-03-20 06:32:52 -0700 | [diff] [blame] | 253 | canvas->translate(0, 40); |
| 254 | } |
| 255 | } |
| 256 | |
| 257 | virtual void installFilter(SkPaint* paint) = 0; |
| 258 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 259 | void onDraw(SkCanvas* canvas) override { |
reed | 8dc0ccb | 2015-03-20 06:32:52 -0700 | [diff] [blame] | 260 | SkPaint paint; |
| 261 | |
| 262 | canvas->translate(20, 40); |
| 263 | |
| 264 | for (int doSaveLayer = 0; doSaveLayer <= 1; ++doSaveLayer) { |
| 265 | SkAutoCanvasRestore acr(canvas, true); |
| 266 | for (int useFilter = 0; useFilter <= 1; ++useFilter) { |
| 267 | SkAutoCanvasRestore acr2(canvas, true); |
| 268 | |
| 269 | SkPaint paint; |
| 270 | if (useFilter) { |
| 271 | this->installFilter(&paint); |
| 272 | } |
| 273 | if (doSaveLayer) { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 274 | canvas->saveLayer(nullptr, &paint); |
| 275 | paint.setImageFilter(nullptr); |
reed | 8dc0ccb | 2015-03-20 06:32:52 -0700 | [diff] [blame] | 276 | } |
| 277 | this->drawWaterfall(canvas, paint); |
| 278 | |
| 279 | acr2.restore(); |
| 280 | canvas->translate(250, 0); |
| 281 | } |
| 282 | acr.restore(); |
| 283 | canvas->translate(0, 200); |
| 284 | } |
| 285 | } |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 286 | |
reed | 8dc0ccb | 2015-03-20 06:32:52 -0700 | [diff] [blame] | 287 | private: |
| 288 | typedef GM INHERITED; |
| 289 | }; |
| 290 | |
| 291 | class ImageFiltersText_IF : public ImageFiltersTextBaseGM { |
| 292 | public: |
| 293 | ImageFiltersText_IF() : ImageFiltersTextBaseGM("image") {} |
| 294 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 295 | void installFilter(SkPaint* paint) override { |
Michael Ludwig | 898bbfa | 2019-08-02 15:21:23 -0400 | [diff] [blame] | 296 | paint->setImageFilter(SkImageFilters::Blur(1.5f, 1.5f, nullptr)); |
reed | 8dc0ccb | 2015-03-20 06:32:52 -0700 | [diff] [blame] | 297 | } |
| 298 | }; |
| 299 | DEF_GM( return new ImageFiltersText_IF; ) |
| 300 | |
| 301 | class ImageFiltersText_CF : public ImageFiltersTextBaseGM { |
| 302 | public: |
| 303 | ImageFiltersText_CF() : ImageFiltersTextBaseGM("color") {} |
| 304 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 305 | void installFilter(SkPaint* paint) override { |
Mike Reed | b286bc2 | 2019-04-08 16:23:20 -0400 | [diff] [blame] | 306 | paint->setColorFilter(SkColorFilters::Blend(SK_ColorBLUE, SkBlendMode::kSrcIn)); |
reed | 8dc0ccb | 2015-03-20 06:32:52 -0700 | [diff] [blame] | 307 | } |
| 308 | }; |
| 309 | DEF_GM( return new ImageFiltersText_CF; ) |