senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 1 | /* |
| 2 | * Copyright 2013 The Android Open Source Project |
| 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 "SkPictureImageFilter.h" |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 9 | |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 10 | #include "SkCanvas.h" |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 11 | #include "SkReadBuffer.h" |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 12 | #include "SkSpecialImage.h" |
| 13 | #include "SkSpecialSurface.h" |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 14 | #include "SkWriteBuffer.h" |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 15 | #include "SkValidationUtils.h" |
| 16 | |
robertphillips | 225db44 | 2016-04-17 14:27:05 -0700 | [diff] [blame] | 17 | sk_sp<SkImageFilter> SkPictureImageFilter::Make(sk_sp<SkPicture> picture) { |
| 18 | return sk_sp<SkImageFilter>(new SkPictureImageFilter(std::move(picture))); |
| 19 | } |
| 20 | |
| 21 | sk_sp<SkImageFilter> SkPictureImageFilter::Make(sk_sp<SkPicture> picture, |
| 22 | const SkRect& cropRect) { |
| 23 | return sk_sp<SkImageFilter>(new SkPictureImageFilter(std::move(picture), |
| 24 | cropRect, |
| 25 | kDeviceSpace_PictureResolution, |
| 26 | kLow_SkFilterQuality)); |
| 27 | } |
| 28 | |
| 29 | sk_sp<SkImageFilter> SkPictureImageFilter::MakeForLocalSpace(sk_sp<SkPicture> picture, |
| 30 | const SkRect& cropRect, |
| 31 | SkFilterQuality filterQuality) { |
| 32 | return sk_sp<SkImageFilter>(new SkPictureImageFilter(std::move(picture), |
| 33 | cropRect, |
| 34 | kLocalSpace_PictureResolution, |
| 35 | filterQuality)); |
| 36 | } |
| 37 | |
robertphillips | 5ff17b1 | 2016-03-28 13:13:42 -0700 | [diff] [blame] | 38 | SkPictureImageFilter::SkPictureImageFilter(sk_sp<SkPicture> picture) |
robertphillips | 372177e | 2016-03-30 07:32:28 -0700 | [diff] [blame] | 39 | : INHERITED(nullptr, 0, nullptr) |
robertphillips | 5ff17b1 | 2016-03-28 13:13:42 -0700 | [diff] [blame] | 40 | , fPicture(std::move(picture)) |
| 41 | , fCropRect(fPicture ? fPicture->cullRect() : SkRect::MakeEmpty()) |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 42 | , fPictureResolution(kDeviceSpace_PictureResolution) |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 43 | , fFilterQuality(kLow_SkFilterQuality) { |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 44 | } |
| 45 | |
robertphillips | 5ff17b1 | 2016-03-28 13:13:42 -0700 | [diff] [blame] | 46 | SkPictureImageFilter::SkPictureImageFilter(sk_sp<SkPicture> picture, const SkRect& cropRect, |
senorblanco | 24e06d5 | 2015-03-18 12:11:33 -0700 | [diff] [blame] | 47 | PictureResolution pictureResolution, |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 48 | SkFilterQuality filterQuality) |
robertphillips | 372177e | 2016-03-30 07:32:28 -0700 | [diff] [blame] | 49 | : INHERITED(nullptr, 0, nullptr) |
robertphillips | 5ff17b1 | 2016-03-28 13:13:42 -0700 | [diff] [blame] | 50 | , fPicture(std::move(picture)) |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 51 | , fCropRect(cropRect) |
junov | f3c78cc | 2014-12-09 13:07:22 -0800 | [diff] [blame] | 52 | , fPictureResolution(pictureResolution) |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 53 | , fFilterQuality(filterQuality) { |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 54 | } |
| 55 | |
reed | 60c9b58 | 2016-04-03 09:11:13 -0700 | [diff] [blame] | 56 | sk_sp<SkFlattenable> SkPictureImageFilter::CreateProc(SkReadBuffer& buffer) { |
reed | ca2622b | 2016-03-18 07:25:55 -0700 | [diff] [blame] | 57 | sk_sp<SkPicture> picture; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 58 | SkRect cropRect; |
| 59 | |
hendrikw | 446ee67 | 2015-06-16 09:28:37 -0700 | [diff] [blame] | 60 | if (buffer.isCrossProcess() && SkPicture::PictureIOSecurityPrecautionsEnabled()) { |
robertphillips | c4bd39c | 2015-01-06 09:17:02 -0800 | [diff] [blame] | 61 | buffer.validate(!buffer.readBool()); |
hendrikw | 446ee67 | 2015-06-16 09:28:37 -0700 | [diff] [blame] | 62 | } else { |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 63 | if (buffer.readBool()) { |
reed | ca2622b | 2016-03-18 07:25:55 -0700 | [diff] [blame] | 64 | picture = SkPicture::MakeFromBuffer(buffer); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 65 | } |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 66 | } |
| 67 | buffer.readRect(&cropRect); |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 68 | PictureResolution pictureResolution; |
| 69 | if (buffer.isVersionLT(SkReadBuffer::kPictureImageFilterResolution_Version)) { |
| 70 | pictureResolution = kDeviceSpace_PictureResolution; |
| 71 | } else { |
| 72 | pictureResolution = (PictureResolution)buffer.readInt(); |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 73 | } |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 74 | |
junov | f3c78cc | 2014-12-09 13:07:22 -0800 | [diff] [blame] | 75 | if (kLocalSpace_PictureResolution == pictureResolution) { |
| 76 | //filterLevel is only serialized if pictureResolution is LocalSpace |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 77 | SkFilterQuality filterQuality; |
junov | f3c78cc | 2014-12-09 13:07:22 -0800 | [diff] [blame] | 78 | if (buffer.isVersionLT(SkReadBuffer::kPictureImageFilterLevel_Version)) { |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 79 | filterQuality = kLow_SkFilterQuality; |
junov | f3c78cc | 2014-12-09 13:07:22 -0800 | [diff] [blame] | 80 | } else { |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 81 | filterQuality = (SkFilterQuality)buffer.readInt(); |
junov | f3c78cc | 2014-12-09 13:07:22 -0800 | [diff] [blame] | 82 | } |
reed | 60c9b58 | 2016-04-03 09:11:13 -0700 | [diff] [blame] | 83 | return MakeForLocalSpace(picture, cropRect, filterQuality); |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 84 | } |
reed | 60c9b58 | 2016-04-03 09:11:13 -0700 | [diff] [blame] | 85 | return Make(picture, cropRect); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 86 | } |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 87 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 88 | void SkPictureImageFilter::flatten(SkWriteBuffer& buffer) const { |
hendrikw | 446ee67 | 2015-06-16 09:28:37 -0700 | [diff] [blame] | 89 | if (buffer.isCrossProcess() && SkPicture::PictureIOSecurityPrecautionsEnabled()) { |
robertphillips | c4bd39c | 2015-01-06 09:17:02 -0800 | [diff] [blame] | 90 | buffer.writeBool(false); |
hendrikw | 446ee67 | 2015-06-16 09:28:37 -0700 | [diff] [blame] | 91 | } else { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 92 | bool hasPicture = (fPicture != nullptr); |
senorblanco@chromium.org | 97f5fc6 | 2014-05-30 20:50:56 +0000 | [diff] [blame] | 93 | buffer.writeBool(hasPicture); |
| 94 | if (hasPicture) { |
| 95 | fPicture->flatten(buffer); |
| 96 | } |
commit-bot@chromium.org | 5e0995e | 2014-02-07 12:20:04 +0000 | [diff] [blame] | 97 | } |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 98 | buffer.writeRect(fCropRect); |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 99 | buffer.writeInt(fPictureResolution); |
junov | f3c78cc | 2014-12-09 13:07:22 -0800 | [diff] [blame] | 100 | if (kLocalSpace_PictureResolution == fPictureResolution) { |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 101 | buffer.writeInt(fFilterQuality); |
junov | f3c78cc | 2014-12-09 13:07:22 -0800 | [diff] [blame] | 102 | } |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 103 | } |
| 104 | |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 105 | sk_sp<SkSpecialImage> SkPictureImageFilter::onFilterImage(SkSpecialImage* source, |
| 106 | const Context& ctx, |
| 107 | SkIPoint* offset) const { |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 108 | if (!fPicture) { |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 109 | return nullptr; |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 110 | } |
| 111 | |
| 112 | SkRect floatBounds; |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 113 | ctx.ctm().mapRect(&floatBounds, fCropRect); |
reed | b07a94f | 2014-11-19 05:03:18 -0800 | [diff] [blame] | 114 | SkIRect bounds = floatBounds.roundOut(); |
senorblanco | 3d822c2 | 2014-07-30 14:49:31 -0700 | [diff] [blame] | 115 | if (!bounds.intersect(ctx.clipBounds())) { |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 116 | return nullptr; |
senorblanco | 3d822c2 | 2014-07-30 14:49:31 -0700 | [diff] [blame] | 117 | } |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 118 | |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 119 | SkASSERT(!bounds.isEmpty()); |
| 120 | |
brianosman | eed6b0e | 2016-09-23 13:04:05 -0700 | [diff] [blame^] | 121 | sk_sp<SkSpecialSurface> surf(source->makeSurface(ctx.outputProperties(), bounds.size())); |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 122 | if (!surf) { |
| 123 | return nullptr; |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 124 | } |
| 125 | |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 126 | SkCanvas* canvas = surf->getCanvas(); |
| 127 | SkASSERT(canvas); |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 128 | |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 129 | canvas->clear(0x0); |
| 130 | |
robertphillips | 0b7e5a1 | 2016-04-13 07:18:41 -0700 | [diff] [blame] | 131 | if (kDeviceSpace_PictureResolution == fPictureResolution || |
junov | f3c78cc | 2014-12-09 13:07:22 -0800 | [diff] [blame] | 132 | 0 == (ctx.ctm().getType() & ~SkMatrix::kTranslate_Mask)) { |
robertphillips | 0b7e5a1 | 2016-04-13 07:18:41 -0700 | [diff] [blame] | 133 | this->drawPictureAtDeviceResolution(canvas, bounds, ctx); |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 134 | } else { |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 135 | this->drawPictureAtLocalResolution(source, canvas, bounds, ctx); |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 136 | } |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 137 | |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 138 | offset->fX = bounds.fLeft; |
| 139 | offset->fY = bounds.fTop; |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 140 | return surf->makeImageSnapshot(); |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 141 | } |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 142 | |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 143 | void SkPictureImageFilter::drawPictureAtDeviceResolution(SkCanvas* canvas, |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 144 | const SkIRect& deviceBounds, |
| 145 | const Context& ctx) const { |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 146 | canvas->translate(-SkIntToScalar(deviceBounds.fLeft), -SkIntToScalar(deviceBounds.fTop)); |
| 147 | canvas->concat(ctx.ctm()); |
| 148 | canvas->drawPicture(fPicture); |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 149 | } |
| 150 | |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 151 | void SkPictureImageFilter::drawPictureAtLocalResolution(SkSpecialImage* source, |
| 152 | SkCanvas* canvas, |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 153 | const SkIRect& deviceBounds, |
| 154 | const Context& ctx) const { |
| 155 | SkMatrix inverseCtm; |
robertphillips | efbffed | 2015-06-22 12:06:08 -0700 | [diff] [blame] | 156 | if (!ctx.ctm().invert(&inverseCtm)) { |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 157 | return; |
robertphillips | efbffed | 2015-06-22 12:06:08 -0700 | [diff] [blame] | 158 | } |
| 159 | |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 160 | SkRect localBounds = SkRect::Make(ctx.clipBounds()); |
| 161 | inverseCtm.mapRect(&localBounds); |
robertphillips | efbffed | 2015-06-22 12:06:08 -0700 | [diff] [blame] | 162 | if (!localBounds.intersect(fCropRect)) { |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 163 | return; |
robertphillips | efbffed | 2015-06-22 12:06:08 -0700 | [diff] [blame] | 164 | } |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 165 | SkIRect localIBounds = localBounds.roundOut(); |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 166 | |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 167 | sk_sp<SkSpecialImage> localImg; |
| 168 | { |
brianosman | eed6b0e | 2016-09-23 13:04:05 -0700 | [diff] [blame^] | 169 | sk_sp<SkSpecialSurface> localSurface(source->makeSurface(ctx.outputProperties(), |
| 170 | localIBounds.size())); |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 171 | if (!localSurface) { |
| 172 | return; |
| 173 | } |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 174 | |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 175 | SkCanvas* localCanvas = localSurface->getCanvas(); |
| 176 | SkASSERT(localCanvas); |
ericrk | a31312c | 2016-05-12 09:06:44 -0700 | [diff] [blame] | 177 | |
| 178 | localCanvas->clear(0x0); |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 179 | |
| 180 | localCanvas->translate(-SkIntToScalar(localIBounds.fLeft), |
| 181 | -SkIntToScalar(localIBounds.fTop)); |
| 182 | localCanvas->drawPicture(fPicture); |
| 183 | |
| 184 | localImg = localSurface->makeImageSnapshot(); |
| 185 | SkASSERT(localImg); |
| 186 | } |
| 187 | |
| 188 | { |
| 189 | canvas->translate(-SkIntToScalar(deviceBounds.fLeft), -SkIntToScalar(deviceBounds.fTop)); |
| 190 | canvas->concat(ctx.ctm()); |
| 191 | SkPaint paint; |
| 192 | paint.setFilterQuality(fFilterQuality); |
| 193 | |
| 194 | localImg->draw(canvas, |
| 195 | SkIntToScalar(localIBounds.fLeft), |
| 196 | SkIntToScalar(localIBounds.fTop), |
| 197 | &paint); |
| 198 | } |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 199 | } |
robertphillips | f3f5bad | 2014-12-19 13:49:15 -0800 | [diff] [blame] | 200 | |
| 201 | #ifndef SK_IGNORE_TO_STRING |
| 202 | void SkPictureImageFilter::toString(SkString* str) const { |
| 203 | str->appendf("SkPictureImageFilter: ("); |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 204 | str->appendf("crop: (%f,%f,%f,%f) ", |
robertphillips | f3f5bad | 2014-12-19 13:49:15 -0800 | [diff] [blame] | 205 | fCropRect.fLeft, fCropRect.fTop, fCropRect.fRight, fCropRect.fBottom); |
| 206 | if (fPicture) { |
| 207 | str->appendf("picture: (%f,%f,%f,%f)", |
| 208 | fPicture->cullRect().fLeft, fPicture->cullRect().fTop, |
| 209 | fPicture->cullRect().fRight, fPicture->cullRect().fBottom); |
| 210 | } |
| 211 | str->append(")"); |
| 212 | } |
| 213 | #endif |