SkDashPathEffect::SkDashPathEffect(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {
fInitialDashIndex = buffer.readInt();
fInitialDashLength = buffer.readScalar();
fIntervalLength = buffer.readScalar();
fScaleToFit = buffer.readBool();
fCount = buffer.getArrayCount();
fIntervals = (SkScalar*)sk_malloc_throw(sizeof(SkScalar) * fCount);
buffer.readScalarArray(fIntervals);
}
SkBicubicImageFilter::SkBicubicImageFilter(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {
SkDEBUGCODE(bool success =) buffer.readScalarArray(fCoefficients, 16);
SkASSERT(success);
fScale.fWidth = buffer.readScalar();
fScale.fHeight = buffer.readScalar();
buffer.validate(SkScalarIsFinite(fScale.fWidth) &&
SkScalarIsFinite(fScale.fHeight) &&
(fScale.fWidth >= 0) &&
(fScale.fHeight >= 0));
}
SkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {
fKernelSize.fWidth = buffer.readInt();
fKernelSize.fHeight = buffer.readInt();
uint32_t size = fKernelSize.fWidth * fKernelSize.fHeight;
fKernel = SkNEW_ARRAY(SkScalar, size);
SkDEBUGCODE(uint32_t readSize = )buffer.readScalarArray(fKernel);
SkASSERT(readSize == size);
fGain = buffer.readScalar();
fBias = buffer.readScalar();
fTarget.fX = buffer.readInt();
fTarget.fY = buffer.readInt();
fTileMode = (TileMode) buffer.readInt();
fConvolveAlpha = buffer.readBool();
}
SkMatrixConvolutionImageFilter::SkMatrixConvolutionImageFilter(SkFlattenableReadBuffer& buffer)
: INHERITED(1, buffer) {
// We need to be able to read at most SK_MaxS32 bytes, so divide that
// by the size of a scalar to know how many scalars we can read.
static const int32_t kMaxSize = SK_MaxS32 / sizeof(SkScalar);
fKernelSize.fWidth = buffer.readInt();
fKernelSize.fHeight = buffer.readInt();
if ((fKernelSize.fWidth >= 1) && (fKernelSize.fHeight >= 1) &&
// Make sure size won't be larger than a signed int,
// which would still be extremely large for a kernel,
// but we don't impose a hard limit for kernel size
(kMaxSize / fKernelSize.fWidth >= fKernelSize.fHeight)) {
size_t size = fKernelSize.fWidth * fKernelSize.fHeight;
fKernel = SkNEW_ARRAY(SkScalar, size);
SkDEBUGCODE(bool success =) buffer.readScalarArray(fKernel, size);
SkASSERT(success);
} else {
SkBicubicImageFilter::SkBicubicImageFilter(SkFlattenableReadBuffer& buffer) : INHERITED(buffer) {
SkDEBUGCODE(uint32_t readSize =) buffer.readScalarArray(fCoefficients);
SkASSERT(readSize == 16);
fScale.fWidth = buffer.readScalar();
fScale.fHeight = buffer.readScalar();
}
