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());
}
