sk_sp<SkFlattenable> SkDisplacementMapEffect::CreateProc(SkReadBuffer& buffer) {
SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 2);
ChannelSelectorType xsel = (ChannelSelectorType)buffer.readInt();
ChannelSelectorType ysel = (ChannelSelectorType)buffer.readInt();
SkScalar scale = buffer.readScalar();
return Make(xsel, ysel, scale,
common.getInput(0), common.getInput(1),
&common.cropRect());
}
sk_sp<SkFlattenable> SkDashPathEffect::CreateProc(SkReadBuffer& buffer) {
const SkScalar phase = buffer.readScalar();
uint32_t count = buffer.getArrayCount();
SkAutoSTArray<32, SkScalar> intervals(count);
if (buffer.readScalarArray(intervals.get(), count)) {
return Make(intervals.get(), SkToInt(count), phase);
}
return nullptr;
}
SkLocalMatrixShader::SkLocalMatrixShader(SkReadBuffer& buffer) : INHERITED(buffer) {
if (buffer.isVersionLT(SkReadBuffer::kSimplifyLocalMatrix_Version)) {
buffer.readMatrix(&(INHERITED::fLocalMatrix));
}
fProxyShader.reset(buffer.readShader());
if (NULL == fProxyShader.get()) {
sk_throw();
}
}
sk_sp<SkFlattenable> SkLocalMatrixShader::CreateProc(SkReadBuffer& buffer) {
SkMatrix lm;
buffer.readMatrix(&lm);
auto baseShader(buffer.readShader());
if (!baseShader) {
return nullptr;
}
return baseShader->makeWithLocalMatrix(lm);
}
SkColorTable::SkColorTable(SkReadBuffer& buffer) {
if (buffer.isVersionLT(SkReadBuffer::kRemoveColorTableAlpha_Version)) {
/*fAlphaType = */buffer.readUInt();
}
fCount = buffer.getArrayCount();
size_t allocSize = fCount * sizeof(SkPMColor);
SkDEBUGCODE(bool success = false;)
if (buffer.validateAvailable(allocSize)) {
sk_sp<SkFlattenable> SkComposeShader::CreateProc(SkReadBuffer& buffer) {
sk_sp<SkShader> shaderA(buffer.readShader());
sk_sp<SkShader> shaderB(buffer.readShader());
sk_sp<SkXfermode> mode(buffer.readXfermode());
if (!shaderA || !shaderB) {
return nullptr;
}
return sk_make_sp<SkComposeShader>(std::move(shaderA), std::move(shaderB), std::move(mode));
}
SkShader::SkShader(SkReadBuffer& buffer)
: INHERITED(buffer) {
if (buffer.readBool()) {
buffer.readMatrix(&fLocalMatrix);
} else {
fLocalMatrix.reset();
}
SkDEBUGCODE(fInSetContext = false;)
}
SkDisplacementMapEffect::SkDisplacementMapEffect(SkReadBuffer& buffer)
: INHERITED(2, buffer)
{
fXChannelSelector = (SkDisplacementMapEffect::ChannelSelectorType) buffer.readInt();
fYChannelSelector = (SkDisplacementMapEffect::ChannelSelectorType) buffer.readInt();
fScale = buffer.readScalar();
buffer.validate(channel_selector_type_is_valid(fXChannelSelector) &&
channel_selector_type_is_valid(fYChannelSelector) &&
SkScalarIsFinite(fScale));
}
sk_sp<SkFlattenable> SkRadialGradient::CreateProc(SkReadBuffer& buffer) {
DescriptorScope desc;
if (!desc.unflatten(buffer)) {
return nullptr;
}
const SkPoint center = buffer.readPoint();
const SkScalar radius = buffer.readScalar();
return SkGradientShader::MakeRadial(center, radius, desc.fColors, desc.fPos, desc.fCount,
desc.fTileMode, desc.fGradFlags, desc.fLocalMatrix);
}
SkBlurDrawLooper::SkBlurDrawLooper(SkReadBuffer& buffer) : INHERITED(buffer) {
fSigma = buffer.readScalar();
fDx = buffer.readScalar();
fDy = buffer.readScalar();
fBlurColor = buffer.readColor();
fBlurFlags = buffer.readUInt() & kAll_BlurFlag;
this->initEffects();
}
bool SkGradientShaderBase::DescriptorScope::unflatten(SkReadBuffer& buffer) {
fCount = buffer.getArrayCount();
if (fCount > kStorageCount) {
size_t allocSize = (sizeof(SkColor) + sizeof(SkScalar)) * fCount;
fDynamicStorage.reset(allocSize);
fColors = (SkColor*)fDynamicStorage.get();
fPos = (SkScalar*)(fColors + fCount);
} else {
fColors = fColorStorage;
fPos = fPosStorage;
}
if (!buffer.readColorArray(const_cast<SkColor*>(fColors), fCount)) {
return false;
}
if (buffer.readBool()) {
if (!buffer.readScalarArray(const_cast<SkScalar*>(fPos), fCount)) {
return false;
}
} else {
fPos = nullptr;
}
fTileMode = (SkShader::TileMode)buffer.read32();
fGradFlags = buffer.read32();
if (buffer.readBool()) {
fLocalMatrix = &fLocalMatrixStorage;
buffer.readMatrix(&fLocalMatrixStorage);
} else {
fLocalMatrix = nullptr;
}
return buffer.isValid();
}
sk_sp<SkFlattenable> SkMatrixConvolutionImageFilter::CreateProc(SkReadBuffer& buffer) {
SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1);
SkISize kernelSize;
kernelSize.fWidth = buffer.readInt();
kernelSize.fHeight = buffer.readInt();
const int count = buffer.getArrayCount();
const int64_t kernelArea = sk_64_mul(kernelSize.width(), kernelSize.height());
if (!buffer.validate(kernelArea == count)) {
return nullptr;
}
SkAutoSTArray<16, SkScalar> kernel(count);
if (!buffer.readScalarArray(kernel.get(), count)) {
return nullptr;
}
SkScalar gain = buffer.readScalar();
SkScalar bias = buffer.readScalar();
SkIPoint kernelOffset;
kernelOffset.fX = buffer.readInt();
kernelOffset.fY = buffer.readInt();
TileMode tileMode = (TileMode)buffer.readInt();
bool convolveAlpha = buffer.readBool();
return Make(kernelSize, kernel.get(), gain, bias, kernelOffset, tileMode,
convolveAlpha, common.getInput(0), &common.cropRect());
}
SkDashPathEffect::SkDashPathEffect(SkReadBuffer& buffer) : INHERITED(buffer) {
bool useOldPic = buffer.isVersionLT(SkReadBuffer::kDashWritesPhaseIntervals_Version);
if (useOldPic) {
fInitialDashIndex = buffer.readInt();
fInitialDashLength = buffer.readScalar();
fIntervalLength = buffer.readScalar();
buffer.readBool(); // Dummy for old ScalarToFit field
} else {
fPhase = buffer.readScalar();
}
fCount = buffer.getArrayCount();
size_t allocSize = sizeof(SkScalar) * fCount;
if (buffer.validateAvailable(allocSize)) {
fIntervals = (SkScalar*)sk_malloc_throw(allocSize);
buffer.readScalarArray(fIntervals, fCount);
} else {
fIntervals = NULL;
}
if (useOldPic) {
fPhase = 0;
if (fInitialDashLength != -1) { // Signal for bad dash interval
for (int i = 0; i < fInitialDashIndex; ++i) {
fPhase += fIntervals[i];
}
fPhase += fIntervals[fInitialDashIndex] - fInitialDashLength;
}
} else {
this->setInternalMembers(fPhase);
}
}
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);
}
sk_sp<SkFlattenable> SkImageShader::CreateProc(SkReadBuffer& buffer) {
const TileMode tx = (TileMode)buffer.readUInt();
const TileMode ty = (TileMode)buffer.readUInt();
SkMatrix localMatrix;
buffer.readMatrix(&localMatrix);
sk_sp<SkImage> img = buffer.readImage();
if (!img) {
return nullptr;
}
return SkImageShader::Make(std::move(img), tx, ty, &localMatrix);
}
SkComposeShader::SkComposeShader(SkReadBuffer& buffer) : INHERITED(buffer) {
fShaderA = buffer.readShader();
if (NULL == fShaderA) {
fShaderA = SkNEW_ARGS(SkColorShader, ((SkColor)0));
}
fShaderB = buffer.readShader();
if (NULL == fShaderB) {
fShaderB = SkNEW_ARGS(SkColorShader, ((SkColor)0));
}
fMode = buffer.readXfermode();
}
sk_sp<SkFlattenable> SkColor4Shader::CreateProc(SkReadBuffer& buffer) {
SkColor4f color;
color.fR = buffer.readScalar(); // readFloat()
color.fG = buffer.readScalar();
color.fB = buffer.readScalar();
color.fA = buffer.readScalar();
if (buffer.readBool()) {
// TODO how do we unflatten colorspaces
}
return SkShader::MakeColorShader(color, nullptr);
}
sk_sp<SkFlattenable> SkPath1DPathEffect::CreateProc(SkReadBuffer& buffer) {
SkScalar advance = buffer.readScalar();
if (advance > 0) {
SkPath path;
buffer.readPath(&path);
SkScalar phase = buffer.readScalar();
Style style = (Style)buffer.readUInt();
return SkPath1DPathEffect::Make(path, advance, phase, style);
}
return nullptr;
}
void SkPaintOptionsAndroid::unflatten(SkReadBuffer& buffer) {
fFontVariant = (FontVariant)buffer.readUInt();
SkString tag;
buffer.readString(&tag);
#ifdef SKLANG_OPT
setLanguage(tag);
#else
fLanguage = SkLanguage(tag);
#endif
fUseFontFallbacks = buffer.readBool();
}
sk_sp<SkFlattenable> SkImageShader::CreateProc(SkReadBuffer& buffer) {
const TileMode tx = (TileMode)buffer.readUInt();
const TileMode ty = (TileMode)buffer.readUInt();
SkMatrix matrix;
buffer.readMatrix(&matrix);
SkAutoTUnref<SkImage> img(buffer.readImage());
if (!img) {
return nullptr;
}
return SkImageShader::Make(img, tx, ty, &matrix);
}
sk_sp<SkFlattenable> SkComposeShader::CreateProc(SkReadBuffer& buffer) {
sk_sp<SkShader> dst(buffer.readShader());
sk_sp<SkShader> src(buffer.readShader());
unsigned mode = buffer.read32();
float lerp = buffer.readScalar();
// check for valid mode before we cast to the enum type
if (!buffer.validate(mode <= (unsigned)SkBlendMode::kLastMode)) {
return nullptr;
}
return MakeCompose(std::move(dst), std::move(src), static_cast<SkBlendMode>(mode), lerp);
}
SkPixelRef::SkPixelRef(SkReadBuffer& buffer, SkBaseMutex* mutex)
: INHERITED(buffer)
, fInfo(read_info(buffer))
{
this->setMutex(mutex);
fRec.zero();
fLockCount = 0;
fIsImmutable = buffer.readBool();
fGenerationID = buffer.readUInt();
fUniqueGenerationID = false; // Conservatively assuming the original still exists.
fPreLocked = false;
}
SkDropShadowImageFilter::SkDropShadowImageFilter(SkReadBuffer& buffer)
: INHERITED(1, buffer) {
fDx = buffer.readScalar();
fDy = buffer.readScalar();
fSigmaX = buffer.readScalar();
fSigmaY = buffer.readScalar();
fColor = buffer.readColor();
buffer.validate(SkScalarIsFinite(fDx) &&
SkScalarIsFinite(fDy) &&
SkScalarIsFinite(fSigmaX) &&
SkScalarIsFinite(fSigmaY));
}
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);
}
SkColorShader::SkColorShader(SkReadBuffer& b) : INHERITED(b) {
// V25_COMPATIBILITY_CODE We had a boolean to make the color shader inherit the paint's
// color. We don't support that any more.
if (b.isVersionLT(SkReadBuffer::kColorShaderNoBool_Version)) {
if (b.readBool()) {
SkDEBUGFAIL("We shouldn't have pictures that recorded the inherited case.");
fColor = SK_ColorWHITE;
return;
}
}
fColor = b.readColor();
}
void SkImageInfo::unflatten(SkReadBuffer& buffer) {
fWidth = buffer.read32();
fHeight = buffer.read32();
uint32_t packed = buffer.read32();
fColorType = stored_to_live((packed >> 0) & kColorTypeMask);
fAlphaType = (SkAlphaType)((packed >> 8) & kAlphaTypeMask);
buffer.validate(alpha_type_is_valid(fAlphaType) && color_type_is_valid(fColorType));
sk_sp<SkData> data = buffer.readByteArrayAsData();
fColorSpace = SkColorSpace::Deserialize(data->data(), data->size());
}
sk_sp<SkFlattenable> SkDropShadowImageFilter::CreateProc(SkReadBuffer& buffer) {
SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1);
SkScalar dx = buffer.readScalar();
SkScalar dy = buffer.readScalar();
SkScalar sigmaX = buffer.readScalar();
SkScalar sigmaY = buffer.readScalar();
SkColor color = buffer.readColor();
ShadowMode shadowMode = buffer.isVersionLT(SkReadBuffer::kDropShadowMode_Version) ?
kDrawShadowAndForeground_ShadowMode :
static_cast<ShadowMode>(buffer.readInt());
return Make(dx, dy, sigmaX, sigmaY, color, shadowMode, common.getInput(0), &common.cropRect());
}
sk_sp<SkFlattenable> SkBitmapProcShader::CreateProc(SkReadBuffer& buffer) {
SkMatrix lm;
buffer.readMatrix(&lm);
SkBitmap bm;
if (!buffer.readBitmap(&bm)) {
return nullptr;
}
bm.setImmutable();
TileMode mx = (TileMode)buffer.readUInt();
TileMode my = (TileMode)buffer.readUInt();
return SkShader::MakeBitmapShader(bm, mx, my, &lm);
}
sk_sp<SkFlattenable> SkDropShadowImageFilter::CreateProc(SkReadBuffer& buffer) {
SK_IMAGEFILTER_UNFLATTEN_COMMON(common, 1);
SkScalar dx = buffer.readScalar();
SkScalar dy = buffer.readScalar();
SkScalar sigmaX = buffer.readScalar();
SkScalar sigmaY = buffer.readScalar();
SkColor color = buffer.readColor();
ShadowMode shadowMode = buffer.read32LE(kLast_ShadowMode);
return Make(dx, dy, sigmaX, sigmaY, color, shadowMode, common.getInput(0), &common.cropRect());
}
SkPath1DPathEffect::SkPath1DPathEffect(SkReadBuffer& buffer) {
fAdvance = buffer.readScalar();
if (fAdvance > 0) {
buffer.readPath(&fPath);
fInitialOffset = buffer.readScalar();
fStyle = (Style) buffer.readUInt();
} else {
SkDEBUGF(("SkPath1DPathEffect can't use advance <= 0\n"));
// Make Coverity happy.
fInitialOffset = 0;
fStyle = kStyleCount;
}
}
