ImageData* ImageData::create(DOMUint8ClampedArray* data, unsigned width, ExceptionState& exceptionState)
{
unsigned lengthInPixels = 0;
if (!validateConstructorArguments(data, width, lengthInPixels, exceptionState)) {
ASSERT(exceptionState.hadException());
return nullptr;
}
ASSERT(lengthInPixels && width);
unsigned height = lengthInPixels / width;
return new ImageData(IntSize(width, height), data);
}
ImageData* ImageData::create(DOMUint8ClampedArray* data, unsigned width, unsigned height, ExceptionState& exceptionState)
{
unsigned lengthInPixels = 0;
if (!validateConstructorArguments(data, width, lengthInPixels, exceptionState)) {
ASSERT(exceptionState.hadException());
return nullptr;
}
ASSERT(lengthInPixels && width);
if (height != lengthInPixels / width) {
exceptionState.throwDOMException(IndexSizeError, "The input data byte length is not equal to (4 * width * height).");
return nullptr;
}
return new ImageData(IntSize(width, height), data);
}
PassRefPtrWillBeRawPtr<ImageData> ImageData::create(DOMUint8ClampedArray* data, unsigned width, ExceptionState& exceptionState)
{
if (!RuntimeEnabledFeatures::imageDataConstructorEnabled()) {
exceptionState.throwTypeError("Illegal constructor");
return nullptr;
}
unsigned lengthInPixels = 0;
if (!validateConstructorArguments(data, width, lengthInPixels, exceptionState)) {
ASSERT(exceptionState.hadException());
return nullptr;
}
ASSERT(lengthInPixels && width);
unsigned height = lengthInPixels / width;
return adoptRefWillBeNoop(new ImageData(IntSize(width, height), data));
}