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" |
Matt Sarett | e22a6a2 | 2017-04-12 16:26:21 -0400 | [diff] [blame] | 11 | #include "SkColorSpaceXformCanvas.h" |
| 12 | #include "SkColorSpaceXformer.h" |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 13 | #include "SkReadBuffer.h" |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 14 | #include "SkSpecialImage.h" |
| 15 | #include "SkSpecialSurface.h" |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 16 | #include "SkWriteBuffer.h" |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 17 | #include "SkValidationUtils.h" |
| 18 | |
robertphillips | 225db44 | 2016-04-17 14:27:05 -0700 | [diff] [blame] | 19 | sk_sp<SkImageFilter> SkPictureImageFilter::Make(sk_sp<SkPicture> picture) { |
| 20 | return sk_sp<SkImageFilter>(new SkPictureImageFilter(std::move(picture))); |
| 21 | } |
| 22 | |
| 23 | sk_sp<SkImageFilter> SkPictureImageFilter::Make(sk_sp<SkPicture> picture, |
| 24 | const SkRect& cropRect) { |
| 25 | return sk_sp<SkImageFilter>(new SkPictureImageFilter(std::move(picture), |
| 26 | cropRect, |
| 27 | kDeviceSpace_PictureResolution, |
Matt Sarett | e22a6a2 | 2017-04-12 16:26:21 -0400 | [diff] [blame] | 28 | kLow_SkFilterQuality, |
| 29 | nullptr)); |
robertphillips | 225db44 | 2016-04-17 14:27:05 -0700 | [diff] [blame] | 30 | } |
| 31 | |
| 32 | sk_sp<SkImageFilter> SkPictureImageFilter::MakeForLocalSpace(sk_sp<SkPicture> picture, |
| 33 | const SkRect& cropRect, |
| 34 | SkFilterQuality filterQuality) { |
| 35 | return sk_sp<SkImageFilter>(new SkPictureImageFilter(std::move(picture), |
| 36 | cropRect, |
| 37 | kLocalSpace_PictureResolution, |
Matt Sarett | e22a6a2 | 2017-04-12 16:26:21 -0400 | [diff] [blame] | 38 | filterQuality, |
| 39 | nullptr)); |
robertphillips | 225db44 | 2016-04-17 14:27:05 -0700 | [diff] [blame] | 40 | } |
| 41 | |
robertphillips | 5ff17b1 | 2016-03-28 13:13:42 -0700 | [diff] [blame] | 42 | SkPictureImageFilter::SkPictureImageFilter(sk_sp<SkPicture> picture) |
robertphillips | 372177e | 2016-03-30 07:32:28 -0700 | [diff] [blame] | 43 | : INHERITED(nullptr, 0, nullptr) |
robertphillips | 5ff17b1 | 2016-03-28 13:13:42 -0700 | [diff] [blame] | 44 | , fPicture(std::move(picture)) |
| 45 | , fCropRect(fPicture ? fPicture->cullRect() : SkRect::MakeEmpty()) |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 46 | , fPictureResolution(kDeviceSpace_PictureResolution) |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 47 | , fFilterQuality(kLow_SkFilterQuality) { |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 48 | } |
| 49 | |
robertphillips | 5ff17b1 | 2016-03-28 13:13:42 -0700 | [diff] [blame] | 50 | SkPictureImageFilter::SkPictureImageFilter(sk_sp<SkPicture> picture, const SkRect& cropRect, |
senorblanco | 24e06d5 | 2015-03-18 12:11:33 -0700 | [diff] [blame] | 51 | PictureResolution pictureResolution, |
Matt Sarett | e22a6a2 | 2017-04-12 16:26:21 -0400 | [diff] [blame] | 52 | SkFilterQuality filterQuality, |
| 53 | sk_sp<SkColorSpace> colorSpace) |
robertphillips | 372177e | 2016-03-30 07:32:28 -0700 | [diff] [blame] | 54 | : INHERITED(nullptr, 0, nullptr) |
robertphillips | 5ff17b1 | 2016-03-28 13:13:42 -0700 | [diff] [blame] | 55 | , fPicture(std::move(picture)) |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 56 | , fCropRect(cropRect) |
junov | f3c78cc | 2014-12-09 13:07:22 -0800 | [diff] [blame] | 57 | , fPictureResolution(pictureResolution) |
Matt Sarett | e22a6a2 | 2017-04-12 16:26:21 -0400 | [diff] [blame] | 58 | , fFilterQuality(filterQuality) |
| 59 | , fColorSpace(std::move(colorSpace)) { |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 60 | } |
| 61 | |
reed | 60c9b58 | 2016-04-03 09:11:13 -0700 | [diff] [blame] | 62 | sk_sp<SkFlattenable> SkPictureImageFilter::CreateProc(SkReadBuffer& buffer) { |
reed | ca2622b | 2016-03-18 07:25:55 -0700 | [diff] [blame] | 63 | sk_sp<SkPicture> picture; |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 64 | SkRect cropRect; |
| 65 | |
hendrikw | 446ee67 | 2015-06-16 09:28:37 -0700 | [diff] [blame] | 66 | if (buffer.isCrossProcess() && SkPicture::PictureIOSecurityPrecautionsEnabled()) { |
robertphillips | c4bd39c | 2015-01-06 09:17:02 -0800 | [diff] [blame] | 67 | buffer.validate(!buffer.readBool()); |
hendrikw | 446ee67 | 2015-06-16 09:28:37 -0700 | [diff] [blame] | 68 | } else { |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 69 | if (buffer.readBool()) { |
reed | ca2622b | 2016-03-18 07:25:55 -0700 | [diff] [blame] | 70 | picture = SkPicture::MakeFromBuffer(buffer); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 71 | } |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 72 | } |
| 73 | buffer.readRect(&cropRect); |
Mike Reed | 70bc94f | 2017-06-08 12:45:52 -0400 | [diff] [blame] | 74 | PictureResolution pictureResolution = (PictureResolution)buffer.readInt(); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 75 | |
junov | f3c78cc | 2014-12-09 13:07:22 -0800 | [diff] [blame] | 76 | if (kLocalSpace_PictureResolution == pictureResolution) { |
| 77 | //filterLevel is only serialized if pictureResolution is LocalSpace |
Mike Reed | 70bc94f | 2017-06-08 12:45:52 -0400 | [diff] [blame] | 78 | SkFilterQuality filterQuality = (SkFilterQuality)buffer.readInt(); |
reed | 60c9b58 | 2016-04-03 09:11:13 -0700 | [diff] [blame] | 79 | return MakeForLocalSpace(picture, cropRect, filterQuality); |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 80 | } |
reed | 60c9b58 | 2016-04-03 09:11:13 -0700 | [diff] [blame] | 81 | return Make(picture, cropRect); |
reed | 9fa60da | 2014-08-21 07:59:51 -0700 | [diff] [blame] | 82 | } |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 83 | |
commit-bot@chromium.org | 8b0e8ac | 2014-01-30 18:58:24 +0000 | [diff] [blame] | 84 | void SkPictureImageFilter::flatten(SkWriteBuffer& buffer) const { |
hendrikw | 446ee67 | 2015-06-16 09:28:37 -0700 | [diff] [blame] | 85 | if (buffer.isCrossProcess() && SkPicture::PictureIOSecurityPrecautionsEnabled()) { |
robertphillips | c4bd39c | 2015-01-06 09:17:02 -0800 | [diff] [blame] | 86 | buffer.writeBool(false); |
hendrikw | 446ee67 | 2015-06-16 09:28:37 -0700 | [diff] [blame] | 87 | } else { |
halcanary | 96fcdcc | 2015-08-27 07:41:13 -0700 | [diff] [blame] | 88 | bool hasPicture = (fPicture != nullptr); |
senorblanco@chromium.org | 97f5fc6 | 2014-05-30 20:50:56 +0000 | [diff] [blame] | 89 | buffer.writeBool(hasPicture); |
| 90 | if (hasPicture) { |
| 91 | fPicture->flatten(buffer); |
| 92 | } |
commit-bot@chromium.org | 5e0995e | 2014-02-07 12:20:04 +0000 | [diff] [blame] | 93 | } |
commit-bot@chromium.org | cac5fd5 | 2014-03-10 10:51:58 +0000 | [diff] [blame] | 94 | buffer.writeRect(fCropRect); |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 95 | buffer.writeInt(fPictureResolution); |
junov | f3c78cc | 2014-12-09 13:07:22 -0800 | [diff] [blame] | 96 | if (kLocalSpace_PictureResolution == fPictureResolution) { |
reed | 93a1215 | 2015-03-16 10:08:34 -0700 | [diff] [blame] | 97 | buffer.writeInt(fFilterQuality); |
junov | f3c78cc | 2014-12-09 13:07:22 -0800 | [diff] [blame] | 98 | } |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 99 | } |
| 100 | |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 101 | sk_sp<SkSpecialImage> SkPictureImageFilter::onFilterImage(SkSpecialImage* source, |
| 102 | const Context& ctx, |
| 103 | SkIPoint* offset) const { |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 104 | if (!fPicture) { |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 105 | return nullptr; |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 106 | } |
| 107 | |
| 108 | SkRect floatBounds; |
senorblanco@chromium.org | 4cb543d | 2014-03-14 15:44:01 +0000 | [diff] [blame] | 109 | ctx.ctm().mapRect(&floatBounds, fCropRect); |
reed | b07a94f | 2014-11-19 05:03:18 -0800 | [diff] [blame] | 110 | SkIRect bounds = floatBounds.roundOut(); |
senorblanco | 3d822c2 | 2014-07-30 14:49:31 -0700 | [diff] [blame] | 111 | if (!bounds.intersect(ctx.clipBounds())) { |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 112 | return nullptr; |
senorblanco | 3d822c2 | 2014-07-30 14:49:31 -0700 | [diff] [blame] | 113 | } |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 114 | |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 115 | SkASSERT(!bounds.isEmpty()); |
| 116 | |
brianosman | eed6b0e | 2016-09-23 13:04:05 -0700 | [diff] [blame] | 117 | sk_sp<SkSpecialSurface> surf(source->makeSurface(ctx.outputProperties(), bounds.size())); |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 118 | if (!surf) { |
| 119 | return nullptr; |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 120 | } |
| 121 | |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 122 | SkCanvas* canvas = surf->getCanvas(); |
| 123 | SkASSERT(canvas); |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 124 | canvas->clear(0x0); |
| 125 | |
robertphillips | 0b7e5a1 | 2016-04-13 07:18:41 -0700 | [diff] [blame] | 126 | if (kDeviceSpace_PictureResolution == fPictureResolution || |
junov | f3c78cc | 2014-12-09 13:07:22 -0800 | [diff] [blame] | 127 | 0 == (ctx.ctm().getType() & ~SkMatrix::kTranslate_Mask)) { |
robertphillips | 0b7e5a1 | 2016-04-13 07:18:41 -0700 | [diff] [blame] | 128 | this->drawPictureAtDeviceResolution(canvas, bounds, ctx); |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 129 | } else { |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 130 | this->drawPictureAtLocalResolution(source, canvas, bounds, ctx); |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 131 | } |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 132 | |
senorblanco@chromium.org | 6776b82 | 2014-01-03 21:48:22 +0000 | [diff] [blame] | 133 | offset->fX = bounds.fLeft; |
| 134 | offset->fY = bounds.fTop; |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 135 | return surf->makeImageSnapshot(); |
senorblanco@chromium.org | 5333300 | 2013-12-12 23:28:52 +0000 | [diff] [blame] | 136 | } |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 137 | |
Matt Sarett | e22a6a2 | 2017-04-12 16:26:21 -0400 | [diff] [blame] | 138 | sk_sp<SkImageFilter> SkPictureImageFilter::onMakeColorSpace(SkColorSpaceXformer* xformer) const { |
Florin Malita | a252c66 | 2017-07-10 12:27:52 -0400 | [diff] [blame^] | 139 | sk_sp<SkColorSpace> dstCS = xformer->dst(); |
| 140 | if (dstCS == fColorSpace) { |
| 141 | return this->refMe(); |
| 142 | } |
| 143 | |
Matt Sarett | e22a6a2 | 2017-04-12 16:26:21 -0400 | [diff] [blame] | 144 | return sk_sp<SkImageFilter>(new SkPictureImageFilter(fPicture, fCropRect, fPictureResolution, |
Florin Malita | a252c66 | 2017-07-10 12:27:52 -0400 | [diff] [blame^] | 145 | fFilterQuality, std::move(dstCS))); |
Matt Sarett | e22a6a2 | 2017-04-12 16:26:21 -0400 | [diff] [blame] | 146 | } |
| 147 | |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 148 | void SkPictureImageFilter::drawPictureAtDeviceResolution(SkCanvas* canvas, |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 149 | const SkIRect& deviceBounds, |
| 150 | const Context& ctx) const { |
Christopher Cameron | eb0e60f | 2017-05-31 13:47:09 -0700 | [diff] [blame] | 151 | std::unique_ptr<SkCanvas> xformCanvas = nullptr; |
| 152 | if (fColorSpace) { |
| 153 | // Only non-null in the case where onMakeColorSpace() was called. This instructs |
| 154 | // us to do the color space xform on playback. |
| 155 | xformCanvas = SkCreateColorSpaceXformCanvas(canvas, fColorSpace); |
| 156 | canvas = xformCanvas.get(); |
| 157 | } |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 158 | canvas->translate(-SkIntToScalar(deviceBounds.fLeft), -SkIntToScalar(deviceBounds.fTop)); |
| 159 | canvas->concat(ctx.ctm()); |
| 160 | canvas->drawPicture(fPicture); |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 161 | } |
| 162 | |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 163 | void SkPictureImageFilter::drawPictureAtLocalResolution(SkSpecialImage* source, |
| 164 | SkCanvas* canvas, |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 165 | const SkIRect& deviceBounds, |
| 166 | const Context& ctx) const { |
| 167 | SkMatrix inverseCtm; |
robertphillips | efbffed | 2015-06-22 12:06:08 -0700 | [diff] [blame] | 168 | if (!ctx.ctm().invert(&inverseCtm)) { |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 169 | return; |
robertphillips | efbffed | 2015-06-22 12:06:08 -0700 | [diff] [blame] | 170 | } |
| 171 | |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 172 | SkRect localBounds = SkRect::Make(ctx.clipBounds()); |
| 173 | inverseCtm.mapRect(&localBounds); |
robertphillips | efbffed | 2015-06-22 12:06:08 -0700 | [diff] [blame] | 174 | if (!localBounds.intersect(fCropRect)) { |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 175 | return; |
robertphillips | efbffed | 2015-06-22 12:06:08 -0700 | [diff] [blame] | 176 | } |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 177 | SkIRect localIBounds = localBounds.roundOut(); |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 178 | |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 179 | sk_sp<SkSpecialImage> localImg; |
| 180 | { |
brianosman | eed6b0e | 2016-09-23 13:04:05 -0700 | [diff] [blame] | 181 | sk_sp<SkSpecialSurface> localSurface(source->makeSurface(ctx.outputProperties(), |
| 182 | localIBounds.size())); |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 183 | if (!localSurface) { |
| 184 | return; |
| 185 | } |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 186 | |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 187 | SkCanvas* localCanvas = localSurface->getCanvas(); |
| 188 | SkASSERT(localCanvas); |
Christopher Cameron | 92eaad6 | 2017-05-22 23:12:01 -0700 | [diff] [blame] | 189 | std::unique_ptr<SkCanvas> xformCanvas = nullptr; |
| 190 | if (fColorSpace) { |
| 191 | // Only non-null in the case where onMakeColorSpace() was called. This instructs |
| 192 | // us to do the color space xform on playback. |
| 193 | xformCanvas = SkCreateColorSpaceXformCanvas(localCanvas, fColorSpace); |
| 194 | localCanvas = xformCanvas.get(); |
| 195 | } |
| 196 | |
ericrk | a31312c | 2016-05-12 09:06:44 -0700 | [diff] [blame] | 197 | localCanvas->clear(0x0); |
robertphillips | fef2860 | 2016-04-11 11:08:52 -0700 | [diff] [blame] | 198 | |
| 199 | localCanvas->translate(-SkIntToScalar(localIBounds.fLeft), |
| 200 | -SkIntToScalar(localIBounds.fTop)); |
| 201 | localCanvas->drawPicture(fPicture); |
| 202 | |
| 203 | localImg = localSurface->makeImageSnapshot(); |
| 204 | SkASSERT(localImg); |
| 205 | } |
| 206 | |
| 207 | { |
| 208 | canvas->translate(-SkIntToScalar(deviceBounds.fLeft), -SkIntToScalar(deviceBounds.fTop)); |
| 209 | canvas->concat(ctx.ctm()); |
| 210 | SkPaint paint; |
| 211 | paint.setFilterQuality(fFilterQuality); |
| 212 | |
| 213 | localImg->draw(canvas, |
| 214 | SkIntToScalar(localIBounds.fLeft), |
| 215 | SkIntToScalar(localIBounds.fTop), |
| 216 | &paint); |
| 217 | } |
Justin Novosad | 5234075 | 2014-12-02 14:50:56 -0500 | [diff] [blame] | 218 | } |
robertphillips | f3f5bad | 2014-12-19 13:49:15 -0800 | [diff] [blame] | 219 | |
| 220 | #ifndef SK_IGNORE_TO_STRING |
| 221 | void SkPictureImageFilter::toString(SkString* str) const { |
| 222 | str->appendf("SkPictureImageFilter: ("); |
halcanary | 9d524f2 | 2016-03-29 09:03:52 -0700 | [diff] [blame] | 223 | str->appendf("crop: (%f,%f,%f,%f) ", |
robertphillips | f3f5bad | 2014-12-19 13:49:15 -0800 | [diff] [blame] | 224 | fCropRect.fLeft, fCropRect.fTop, fCropRect.fRight, fCropRect.fBottom); |
| 225 | if (fPicture) { |
| 226 | str->appendf("picture: (%f,%f,%f,%f)", |
| 227 | fPicture->cullRect().fLeft, fPicture->cullRect().fTop, |
| 228 | fPicture->cullRect().fRight, fPicture->cullRect().fBottom); |
| 229 | } |
| 230 | str->append(")"); |
| 231 | } |
| 232 | #endif |