SkImageFilter::SkImageFilter(int inputCount, SkFlattenableReadBuffer& buffer) { fInputCount = buffer.readInt(); if (buffer.validate((fInputCount >= 0) && ((inputCount < 0) || (fInputCount == inputCount)))) { fInputs = new SkImageFilter*[fInputCount]; for (int i = 0; i < fInputCount; i++) { if (buffer.readBool()) { fInputs[i] = buffer.readImageFilter(); } else { fInputs[i] = NULL; } if (!buffer.isValid()) { fInputCount = i; // Do not use fInputs past that point in the destructor break; } } SkRect rect; buffer.readRect(&rect); if (buffer.isValid() && buffer.validate(SkIsValidRect(rect))) { uint32_t flags = buffer.readUInt(); fCropRect = CropRect(rect, flags); } } else { fInputCount = 0; fInputs = NULL; } }