Пример #1
0
PassRefPtr<Uint8ClampedArray> FilterEffect::asUnmultipliedImage(const IntRect& rect)
{
    ASSERT(isFilterSizeValid(rect));
    RefPtr<Uint8ClampedArray> imageData = Uint8ClampedArray::createUninitialized(rect.width() * rect.height() * 4);
    copyUnmultipliedImage(imageData.get(), rect);
    return imageData.release();
}
Пример #2
0
PassRefPtr<Uint8ClampedArray> FilterEffect::asUnmultipliedImage(const IntRect& rect)
{
    IntSize scaledSize(rect.size());
    ASSERT(!ImageBuffer::sizeNeedsClamping(scaledSize));
    scaledSize.scale(m_filter.filterScale());
    RefPtr<Uint8ClampedArray> imageData = Uint8ClampedArray::createUninitialized(scaledSize.width() * scaledSize.height() * 4);
    copyUnmultipliedImage(imageData.get(), rect);
    return imageData.release();
}