robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2014 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" |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 9 | #include "SkBlurImageFilter.h" |
| 10 | #include "SkDropShadowImageFilter.h" |
fmalita | 2f5891e | 2015-09-25 09:15:55 -0700 | [diff] [blame] | 11 | #include "SkImageSource.h" |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 12 | #include "SkOffsetImageFilter.h" |
Mike Reed | c090c64 | 2017-05-16 10:39:06 -0400 | [diff] [blame] | 13 | #include "SkPath.h" |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 14 | #include "SkPictureImageFilter.h" |
| 15 | #include "SkPictureRecorder.h" |
| 16 | #include "SkRandom.h" |
fmalita | 2f5891e | 2015-09-25 09:15:55 -0700 | [diff] [blame] | 17 | #include "SkSurface.h" |
senorblanco | d18b1b5 | 2015-12-07 10:36:30 -0800 | [diff] [blame] | 18 | #include "SkTileImageFilter.h" |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 19 | |
| 20 | namespace skiagm { |
| 21 | |
| 22 | // Each method of this type must draw its geometry inside 'r' using 'p' |
| 23 | typedef void(*drawMth)(SkCanvas* canvas, const SkRect& r, const SkPaint& p); |
| 24 | |
| 25 | static void draw_rect(SkCanvas* canvas, const SkRect& r, const SkPaint& p) { |
| 26 | canvas->drawRect(r, p); |
| 27 | } |
| 28 | |
| 29 | static void draw_oval(SkCanvas* canvas, const SkRect& r, const SkPaint& p) { |
| 30 | canvas->drawOval(r, p); |
| 31 | } |
| 32 | |
| 33 | static void draw_rrect(SkCanvas* canvas, const SkRect& r, const SkPaint& p) { |
| 34 | SkScalar xRad = r.width() / 4.0f; |
| 35 | SkScalar yRad = r.height() / 4.0f; |
| 36 | |
| 37 | SkRRect rr; |
| 38 | rr.setRectXY(r, xRad, yRad); |
| 39 | canvas->drawRRect(rr, p); |
| 40 | } |
| 41 | |
| 42 | static void draw_drrect(SkCanvas* canvas, const SkRect& r, const SkPaint& p) { |
| 43 | SkScalar xRad = r.width() / 4.0f; |
| 44 | SkScalar yRad = r.height() / 4.0f; |
| 45 | |
| 46 | SkRRect outer; |
| 47 | outer.setRectXY(r, xRad, yRad); |
| 48 | SkRRect inner = outer; |
| 49 | inner.inset(xRad, yRad); |
| 50 | canvas->drawDRRect(outer, inner, p); |
| 51 | } |
| 52 | |
| 53 | static void draw_path(SkCanvas* canvas, const SkRect& r, const SkPaint& p) { |
| 54 | SkPath path; |
| 55 | |
| 56 | path.moveTo(r.fLeft, r.fTop); |
| 57 | path.lineTo(r.fLeft, r.fBottom); |
| 58 | path.lineTo(r.fRight, r.fBottom); |
| 59 | path.close(); |
| 60 | |
| 61 | canvas->drawPath(path, p); |
| 62 | } |
| 63 | |
| 64 | static void draw_points(SkCanvas* canvas, const SkRect& r, const SkPaint& p) { |
| 65 | SkPoint pts0[2] = { { r.fLeft, r.fTop }, { r.fRight, r.fBottom } }; |
| 66 | SkPoint pts1[2] = { { r.fLeft, r.fBottom }, { r.fRight, r.fTop } }; |
| 67 | |
| 68 | canvas->drawPoints(SkCanvas::kLines_PointMode, 2, pts0, p); |
| 69 | canvas->drawPoints(SkCanvas::kLines_PointMode, 2, pts1, p); |
| 70 | } |
| 71 | |
| 72 | static void draw_bitmap(SkCanvas* canvas, const SkRect& r, const SkPaint& p) { |
| 73 | SkBitmap bm; |
| 74 | |
| 75 | bm.allocN32Pixels(64, 64); |
| 76 | SkCanvas temp(bm); |
| 77 | temp.clear(SK_ColorMAGENTA); |
| 78 | |
| 79 | canvas->drawBitmapRect(bm, r, &p); |
| 80 | } |
| 81 | |
mtklein | dbfd7ab | 2016-09-01 11:24:54 -0700 | [diff] [blame] | 82 | constexpr drawMth gDrawMthds[] = { |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 83 | draw_rect, draw_oval, draw_rrect, draw_drrect, draw_path, draw_points, draw_bitmap |
| 84 | }; |
| 85 | |
robertphillips | 6e7025a | 2016-04-04 04:31:25 -0700 | [diff] [blame] | 86 | static void add_paint(SkTArray<SkPaint>* paints, sk_sp<SkImageFilter> filter) { |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 87 | SkPaint& p = paints->push_back(); |
robertphillips | 6e7025a | 2016-04-04 04:31:25 -0700 | [diff] [blame] | 88 | p.setImageFilter(std::move(filter)); |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 89 | SkASSERT(p.canComputeFastBounds()); |
| 90 | } |
| 91 | |
| 92 | // Create a selection of imagefilter-based paints to test |
robertphillips | 6e7025a | 2016-04-04 04:31:25 -0700 | [diff] [blame] | 93 | static void create_paints(SkTArray<SkPaint>* paints, sk_sp<SkImageFilter> source) { |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 94 | { |
| 95 | SkMatrix scale; |
| 96 | scale.setScale(2.0f, 2.0f); |
| 97 | |
robertphillips | 6e7025a | 2016-04-04 04:31:25 -0700 | [diff] [blame] | 98 | sk_sp<SkImageFilter> scaleMIF( |
robertphillips | ae8c933 | 2016-04-05 15:09:00 -0700 | [diff] [blame] | 99 | SkImageFilter::MakeMatrixFilter(scale, kLow_SkFilterQuality, source)); |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 100 | |
robertphillips | 6e7025a | 2016-04-04 04:31:25 -0700 | [diff] [blame] | 101 | add_paint(paints, std::move(scaleMIF)); |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 102 | } |
| 103 | |
| 104 | { |
| 105 | SkMatrix rot; |
| 106 | rot.setRotate(-33.3f); |
| 107 | |
robertphillips | 6e7025a | 2016-04-04 04:31:25 -0700 | [diff] [blame] | 108 | sk_sp<SkImageFilter> rotMIF( |
robertphillips | ae8c933 | 2016-04-05 15:09:00 -0700 | [diff] [blame] | 109 | SkImageFilter::MakeMatrixFilter(rot, kLow_SkFilterQuality, source)); |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 110 | |
robertphillips | 6e7025a | 2016-04-04 04:31:25 -0700 | [diff] [blame] | 111 | add_paint(paints, std::move(rotMIF)); |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 112 | } |
| 113 | |
| 114 | { |
senorblanco | d18b1b5 | 2015-12-07 10:36:30 -0800 | [diff] [blame] | 115 | SkRect src = SkRect::MakeXYWH(20, 20, 10, 10); |
| 116 | SkRect dst = SkRect::MakeXYWH(30, 30, 30, 30); |
robertphillips | 534c270 | 2016-04-15 07:57:40 -0700 | [diff] [blame] | 117 | sk_sp<SkImageFilter> tileIF(SkTileImageFilter::Make(src, dst, nullptr)); |
senorblanco | d18b1b5 | 2015-12-07 10:36:30 -0800 | [diff] [blame] | 118 | |
robertphillips | 6e7025a | 2016-04-04 04:31:25 -0700 | [diff] [blame] | 119 | add_paint(paints, std::move(tileIF)); |
senorblanco | d18b1b5 | 2015-12-07 10:36:30 -0800 | [diff] [blame] | 120 | } |
| 121 | |
| 122 | { |
mtklein | dbfd7ab | 2016-09-01 11:24:54 -0700 | [diff] [blame] | 123 | constexpr SkDropShadowImageFilter::ShadowMode kBoth = |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 124 | SkDropShadowImageFilter::kDrawShadowAndForeground_ShadowMode; |
| 125 | |
robertphillips | c416912 | 2016-04-06 08:40:59 -0700 | [diff] [blame] | 126 | sk_sp<SkImageFilter> dsif(SkDropShadowImageFilter::Make(10.0f, 10.0f, |
| 127 | 3.0f, 3.0f, |
| 128 | SK_ColorRED, kBoth, |
| 129 | source)); |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 130 | |
robertphillips | 6e7025a | 2016-04-04 04:31:25 -0700 | [diff] [blame] | 131 | add_paint(paints, std::move(dsif)); |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 132 | } |
| 133 | |
| 134 | { |
robertphillips | 6e7025a | 2016-04-04 04:31:25 -0700 | [diff] [blame] | 135 | sk_sp<SkImageFilter> dsif( |
robertphillips | c416912 | 2016-04-06 08:40:59 -0700 | [diff] [blame] | 136 | SkDropShadowImageFilter::Make(27.0f, 27.0f, |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 137 | 3.0f, 3.0f, |
| 138 | SK_ColorRED, |
| 139 | SkDropShadowImageFilter::kDrawShadowOnly_ShadowMode, |
robertphillips | c416912 | 2016-04-06 08:40:59 -0700 | [diff] [blame] | 140 | source)); |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 141 | |
robertphillips | 6e7025a | 2016-04-04 04:31:25 -0700 | [diff] [blame] | 142 | add_paint(paints, std::move(dsif)); |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 143 | } |
| 144 | |
robertphillips | 6e7025a | 2016-04-04 04:31:25 -0700 | [diff] [blame] | 145 | add_paint(paints, SkBlurImageFilter::Make(3, 3, source)); |
| 146 | add_paint(paints, SkOffsetImageFilter::Make(15, 15, source)); |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 147 | } |
| 148 | |
| 149 | // This GM visualizes the fast bounds for various combinations of geometry |
| 150 | // and image filter |
| 151 | class ImageFilterFastBoundGM : public GM { |
| 152 | public: |
| 153 | ImageFilterFastBoundGM() { |
Mike Klein | d46dce3 | 2018-08-16 10:17:03 -0400 | [diff] [blame] | 154 | this->setBGColor(0xFFCCCCCC); |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 155 | } |
| 156 | |
| 157 | protected: |
mtklein | dbfd7ab | 2016-09-01 11:24:54 -0700 | [diff] [blame] | 158 | static constexpr int kTileWidth = 100; |
| 159 | static constexpr int kTileHeight = 100; |
| 160 | static constexpr int kNumVertTiles = 7; |
| 161 | static constexpr int kNumXtraCols = 2; |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 162 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 163 | SkString onShortName() override{ return SkString("filterfastbounds"); } |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 164 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 165 | SkISize onISize() override{ |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 166 | return SkISize::Make((SK_ARRAY_COUNT(gDrawMthds) + kNumXtraCols) * kTileWidth, |
| 167 | kNumVertTiles * kTileHeight); |
| 168 | } |
| 169 | |
| 170 | static void draw_geom_with_paint(drawMth draw, const SkIPoint& off, |
| 171 | SkCanvas* canvas, const SkPaint& p) { |
| 172 | SkPaint redStroked; |
| 173 | redStroked.setColor(SK_ColorRED); |
| 174 | redStroked.setStyle(SkPaint::kStroke_Style); |
| 175 | |
| 176 | SkPaint blueStroked; |
| 177 | blueStroked.setColor(SK_ColorBLUE); |
| 178 | blueStroked.setStyle(SkPaint::kStroke_Style); |
| 179 | |
| 180 | const SkRect r = SkRect::MakeLTRB(20, 20, 30, 30); |
| 181 | SkRect storage; |
| 182 | |
| 183 | canvas->save(); |
| 184 | canvas->translate(SkIntToScalar(off.fX), SkIntToScalar(off.fY)); |
| 185 | canvas->scale(1.5f, 1.5f); |
| 186 | |
| 187 | const SkRect& fastBound = p.computeFastBounds(r, &storage); |
| 188 | |
| 189 | canvas->save(); |
| 190 | canvas->clipRect(fastBound); |
| 191 | (*draw)(canvas, r, p); |
| 192 | canvas->restore(); |
| 193 | |
| 194 | canvas->drawRect(r, redStroked); |
| 195 | canvas->drawRect(fastBound, blueStroked); |
| 196 | canvas->restore(); |
| 197 | } |
| 198 | |
| 199 | static void draw_savelayer_with_paint(const SkIPoint& off, |
| 200 | SkCanvas* canvas, |
| 201 | const SkPaint& p) { |
| 202 | SkPaint redStroked; |
| 203 | redStroked.setColor(SK_ColorRED); |
| 204 | redStroked.setStyle(SkPaint::kStroke_Style); |
| 205 | |
| 206 | SkPaint blueStroked; |
| 207 | blueStroked.setColor(SK_ColorBLUE); |
| 208 | blueStroked.setStyle(SkPaint::kStroke_Style); |
| 209 | |
| 210 | const SkRect bounds = SkRect::MakeWH(10, 10); |
| 211 | SkRect storage; |
| 212 | |
| 213 | canvas->save(); |
| 214 | canvas->translate(30, 30); |
| 215 | canvas->translate(SkIntToScalar(off.fX), SkIntToScalar(off.fY)); |
| 216 | canvas->scale(1.5f, 1.5f); |
| 217 | |
| 218 | const SkRect& fastBound = p.computeFastBounds(bounds, &storage); |
| 219 | |
| 220 | canvas->saveLayer(&fastBound, &p); |
| 221 | canvas->restore(); |
| 222 | |
| 223 | canvas->drawRect(bounds, redStroked); |
| 224 | canvas->drawRect(fastBound, blueStroked); |
| 225 | canvas->restore(); |
| 226 | } |
| 227 | |
mtklein | 36352bf | 2015-03-25 18:17:31 -0700 | [diff] [blame] | 228 | void onDraw(SkCanvas* canvas) override{ |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 229 | |
| 230 | SkPaint blackFill; |
| 231 | |
| 232 | //----------- |
| 233 | // Normal paints (no source) |
| 234 | SkTArray<SkPaint> paints; |
robertphillips | 6e7025a | 2016-04-04 04:31:25 -0700 | [diff] [blame] | 235 | create_paints(&paints, nullptr); |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 236 | |
| 237 | //----------- |
| 238 | // Paints with a PictureImageFilter as a source |
reed | ca2622b | 2016-03-18 07:25:55 -0700 | [diff] [blame] | 239 | sk_sp<SkPicture> pic; |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 240 | |
| 241 | { |
| 242 | SkPictureRecorder rec; |
| 243 | |
| 244 | SkCanvas* c = rec.beginRecording(10, 10); |
| 245 | c->drawRect(SkRect::MakeWH(10, 10), blackFill); |
reed | ca2622b | 2016-03-18 07:25:55 -0700 | [diff] [blame] | 246 | pic = rec.finishRecordingAsPicture(); |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 247 | } |
| 248 | |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 249 | SkTArray<SkPaint> pifPaints; |
robertphillips | 6e7025a | 2016-04-04 04:31:25 -0700 | [diff] [blame] | 250 | create_paints(&pifPaints, SkPictureImageFilter::Make(pic)); |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 251 | |
| 252 | //----------- |
fmalita | 2f5891e | 2015-09-25 09:15:55 -0700 | [diff] [blame] | 253 | // Paints with a SkImageSource as a source |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 254 | |
reed | e8f3062 | 2016-03-23 18:59:25 -0700 | [diff] [blame] | 255 | auto surface(SkSurface::MakeRasterN32Premul(10, 10)); |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 256 | { |
| 257 | SkPaint p; |
fmalita | 2f5891e | 2015-09-25 09:15:55 -0700 | [diff] [blame] | 258 | SkCanvas* temp = surface->getCanvas(); |
| 259 | temp->clear(SK_ColorYELLOW); |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 260 | p.setColor(SK_ColorBLUE); |
fmalita | 2f5891e | 2015-09-25 09:15:55 -0700 | [diff] [blame] | 261 | temp->drawRect(SkRect::MakeLTRB(5, 5, 10, 10), p); |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 262 | p.setColor(SK_ColorGREEN); |
fmalita | 2f5891e | 2015-09-25 09:15:55 -0700 | [diff] [blame] | 263 | temp->drawRect(SkRect::MakeLTRB(5, 0, 10, 5), p); |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 264 | } |
| 265 | |
reed | 9ce9d67 | 2016-03-17 10:51:11 -0700 | [diff] [blame] | 266 | sk_sp<SkImage> image(surface->makeImageSnapshot()); |
robertphillips | 549c899 | 2016-04-01 09:28:51 -0700 | [diff] [blame] | 267 | sk_sp<SkImageFilter> imageSource(SkImageSource::Make(std::move(image))); |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 268 | SkTArray<SkPaint> bmsPaints; |
robertphillips | 6e7025a | 2016-04-04 04:31:25 -0700 | [diff] [blame] | 269 | create_paints(&bmsPaints, std::move(imageSource)); |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 270 | |
| 271 | //----------- |
| 272 | SkASSERT(paints.count() == kNumVertTiles); |
| 273 | SkASSERT(paints.count() == pifPaints.count()); |
| 274 | SkASSERT(paints.count() == bmsPaints.count()); |
| 275 | |
| 276 | // horizontal separators |
| 277 | for (int i = 1; i < paints.count(); ++i) { |
| 278 | canvas->drawLine(0, |
| 279 | i*SkIntToScalar(kTileHeight), |
| 280 | SkIntToScalar((SK_ARRAY_COUNT(gDrawMthds) + kNumXtraCols)*kTileWidth), |
| 281 | i*SkIntToScalar(kTileHeight), |
| 282 | blackFill); |
| 283 | } |
| 284 | // vertical separators |
| 285 | for (int i = 0; i < (int)SK_ARRAY_COUNT(gDrawMthds) + kNumXtraCols; ++i) { |
| 286 | canvas->drawLine(SkIntToScalar(i * kTileWidth), |
| 287 | 0, |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 288 | SkIntToScalar(i * kTileWidth), |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 289 | SkIntToScalar(paints.count() * kTileWidth), |
| 290 | blackFill); |
| 291 | } |
| 292 | |
| 293 | // A column of saveLayers with PictureImageFilters |
| 294 | for (int i = 0; i < pifPaints.count(); ++i) { |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 295 | draw_savelayer_with_paint(SkIPoint::Make(0, i*kTileHeight), |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 296 | canvas, pifPaints[i]); |
| 297 | } |
| 298 | |
| 299 | // A column of saveLayers with BitmapSources |
| 300 | for (int i = 0; i < pifPaints.count(); ++i) { |
| 301 | draw_savelayer_with_paint(SkIPoint::Make(kTileWidth, i*kTileHeight), |
| 302 | canvas, bmsPaints[i]); |
| 303 | } |
| 304 | |
| 305 | // Multiple columns with different geometry |
| 306 | for (int i = 0; i < (int)SK_ARRAY_COUNT(gDrawMthds); ++i) { |
| 307 | for (int j = 0; j < paints.count(); ++j) { |
| 308 | draw_geom_with_paint(*gDrawMthds[i], |
| 309 | SkIPoint::Make((i+kNumXtraCols) * kTileWidth, j*kTileHeight), |
| 310 | canvas, paints[j]); |
| 311 | } |
| 312 | } |
| 313 | |
| 314 | } |
| 315 | |
| 316 | private: |
| 317 | typedef GM INHERITED; |
| 318 | }; |
| 319 | |
| 320 | ////////////////////////////////////////////////////////////////////////////// |
| 321 | |
halcanary | 385fe4d | 2015-08-26 13:07:48 -0700 | [diff] [blame] | 322 | DEF_GM(return new ImageFilterFastBoundGM;) |
robertphillips | 9a26410 | 2014-12-08 09:18:58 -0800 | [diff] [blame] | 323 | } |