bool SkImageFilter::Common::unflatten(SkReadBuffer& buffer, int expectedCount) { const int count = buffer.readInt(); if (!buffer.validate(count >= 0)) { return false; } if (!buffer.validate(expectedCount < 0 || count == expectedCount)) { return false; } this->allocInputs(count); for (int i = 0; i < count; i++) { if (buffer.readBool()) { fInputs[i] = buffer.readImageFilter(); } if (!buffer.isValid()) { return false; } } SkRect rect; buffer.readRect(&rect); if (!buffer.isValid() || !buffer.validate(SkIsValidRect(rect))) { return false; } uint32_t flags = buffer.readUInt(); fCropRect = CropRect(rect, flags); if (buffer.isVersionLT(SkReadBuffer::kImageFilterNoUniqueID_Version)) { (void) buffer.readUInt(); } return buffer.isValid(); }
sk_sp<SkFlattenable> SkTileImageFilter::CreateProc(SkReadBuffer& buffer) { SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); SkRect src, dst; buffer.readRect(&src); buffer.readRect(&dst); return Make(src, dst, common.getInput(0)); }
sk_sp<SkFlattenable> SkPictureImageFilter::CreateProc(SkReadBuffer& buffer) { sk_sp<SkPicture> picture; SkRect cropRect; if (buffer.isCrossProcess() && SkPicture::PictureIOSecurityPrecautionsEnabled()) { buffer.validate(!buffer.readBool()); } else { if (buffer.readBool()) { picture = SkPicture::MakeFromBuffer(buffer); } } buffer.readRect(&cropRect); PictureResolution pictureResolution; if (buffer.isVersionLT(SkReadBuffer::kPictureImageFilterResolution_Version)) { pictureResolution = kDeviceSpace_PictureResolution; } else { pictureResolution = (PictureResolution)buffer.readInt(); } if (kLocalSpace_PictureResolution == pictureResolution) { //filterLevel is only serialized if pictureResolution is LocalSpace SkFilterQuality filterQuality; if (buffer.isVersionLT(SkReadBuffer::kPictureImageFilterLevel_Version)) { filterQuality = kLow_SkFilterQuality; } else { filterQuality = (SkFilterQuality)buffer.readInt(); } return MakeForLocalSpace(picture, cropRect, filterQuality); } return Make(picture, cropRect); }
bool SkImageFilter::Common::unflatten(SkReadBuffer& buffer, int expectedCount) { int count = buffer.readInt(); if (expectedCount < 0) { // means the caller doesn't care how many expectedCount = count; } if (!buffer.validate((count == expectedCount) && (count >= 0))) { return false; } this->allocInputs(count); for (int i = 0; i < count; i++) { if (buffer.readBool()) { fInputs[i] = buffer.readImageFilter(); } if (!buffer.isValid()) { return false; } } SkRect rect; buffer.readRect(&rect); if (!buffer.isValid() || !buffer.validate(SkIsValidRect(rect))) { return false; } uint32_t flags = buffer.readUInt(); fCropRect = CropRect(rect, flags); return buffer.isValid(); }
SkPictureImageFilter::SkPictureImageFilter(SkReadBuffer& buffer) : INHERITED(0, buffer), fPicture(NULL) { if (!buffer.isCrossProcess()) { if (buffer.readBool()) { fPicture = SkPicture::CreateFromBuffer(buffer); } } else { buffer.validate(!buffer.readBool()); } buffer.readRect(&fCropRect); }
sk_sp<SkFlattenable> SkImageSource::CreateProc(SkReadBuffer& buffer) { SkFilterQuality filterQuality = (SkFilterQuality)buffer.readInt(); SkRect src, dst; buffer.readRect(&src); buffer.readRect(&dst); sk_sp<SkImage> image(buffer.readImage()); if (!image) { return nullptr; } return SkImageSource::Make(std::move(image), src, dst, filterQuality); }
sk_sp<SkFlattenable> SkRecordedDrawable::CreateProc(SkReadBuffer& buffer) { // Read the bounds. SkRect bounds; buffer.readRect(&bounds); // Unflatten into a SkPictureData. SkPictInfo info; info.fCullRect = bounds; SkAutoTDelete<SkPictureData> pictureData(SkPictureData::CreateFromBuffer(buffer, info)); if (!pictureData) { return nullptr; } // Create a drawable. SkPicturePlayback playback(pictureData); SkPictureRecorder recorder; playback.draw(recorder.beginRecording(bounds), nullptr, &buffer); return recorder.finishRecordingAsDrawable(); }
SkPictureShader::SkPictureShader(SkReadBuffer& buffer) : INHERITED(buffer) { fTmx = static_cast<SkShader::TileMode>(buffer.read32()); fTmy = static_cast<SkShader::TileMode>(buffer.read32()); buffer.readRect(&fTile); fPicture = SkPicture::CreateFromBuffer(buffer); }
sk_sp<SkFlattenable> SkMagnifierImageFilter::CreateProc(SkReadBuffer& buffer) { SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1); SkRect src; buffer.readRect(&src); return Make(src, buffer.readScalar(), common.getInput(0), &common.cropRect()); }