SkGradientShaderBase::SkGradientShaderBase(SkReadBuffer& buffer) : INHERITED(buffer) {
if (buffer.isVersionLT(SkReadBuffer::kNoUnitMappers_Version)) {
// skip the old SkUnitMapper slot
buffer.skipFlattenable();
}
int colorCount = fColorCount = buffer.getArrayCount();
if (colorCount > kColorStorageCount) {
size_t allocSize = (sizeof(SkColor) + sizeof(SkScalar) + sizeof(Rec)) * colorCount;
if (buffer.validateAvailable(allocSize)) {
fOrigColors = reinterpret_cast<SkColor*>(sk_malloc_throw(allocSize));
} else {
fOrigColors = NULL;
colorCount = fColorCount = 0;
}
} else {
fOrigColors = fStorage;
}
buffer.readColorArray(fOrigColors, colorCount);
fOrigPos = (SkScalar*)(fOrigColors + colorCount);
{
uint32_t packed = buffer.readUInt();
fGradFlags = SkToU8(unpack_flags(packed));
fTileMode = unpack_mode(packed);
}
fTileProc = gTileProcs[fTileMode];
fRecs = (Rec*)(fOrigPos + colorCount);
if (colorCount > 2) {
Rec* recs = fRecs;
recs[0].fPos = 0;
fOrigPos[0] = 0;
for (int i = 1; i < colorCount; i++) {
recs[i].fPos = buffer.readInt();
recs[i].fScale = buffer.readUInt();
fOrigPos[i] = SkFixedToScalar(recs[i].fPos);
}
} else {
fOrigPos = NULL;
}
buffer.readMatrix(&fPtsToUnit);
this->initCommon();
}
