private Size GetScaledImageSize(ImageSize baseSize)
{
Size imageSize;
Size scaledImageSize;
if (baseSize == PostHtmlEditing.ImageSize.Original)
{
imageSize = GetFullImageSizeWithRotation();
scaledImageSize = imageSize;
}
else
{
imageSize = ImageSizeHelper.GetSizeConstraints(ConvertToImageSizeName(baseSize));
//if the image is rotated, so create a scaled size based on the rotation within the size bounds
if (ImageUtils.IsRotated90(_rotation))
{
scaledImageSize = ImageUtils.GetScaledImageSize(imageSize.Height, imageSize.Width, _fullImageSize);
scaledImageSize = new Size(scaledImageSize.Height, scaledImageSize.Width);
}
else
{
scaledImageSize = ImageUtils.GetScaledImageSize(imageSize.Width, imageSize.Height, _fullImageSize);
}
}
return(scaledImageSize);
}
/// <summary>
/// Scales the given imageSourceSize to the imageSizeName constraints.
/// </summary>
public static Size ScaleImageSizeName(ImageSizeName imageSizeName, Size imageSourceSize, RotateFlipType currentRotation)
{
Debug.Assert(imageSizeName != ImageSizeName.Custom, "No scaling policy associated with ImageSizeName.Custom");
Size scaledImageSize = imageSourceSize;
if (imageSizeName != ImageSizeName.Full)
{
Size sizeConstraints = ImageSizeHelper.GetSizeConstraints(imageSizeName);
if (ImageUtils.IsRotated90(currentRotation))
{
scaledImageSize = ImageUtils.GetScaledImageSize(sizeConstraints.Height, sizeConstraints.Width, imageSourceSize);
scaledImageSize = new Size(scaledImageSize.Height, scaledImageSize.Width);
}
else
{
scaledImageSize = ImageUtils.GetScaledImageSize(sizeConstraints.Width, sizeConstraints.Height, imageSourceSize);
}
}
return(scaledImageSize);
}
private bool ImageSizeNameMatches(ImageSizeName sizeName, Size orginalSize, Size currentSize)
{
Size constrainedSize = ImageSizeHelper.GetSizeConstraints(sizeName);
return(currentSize == ImageUtils.GetScaledImageSize(constrainedSize.Width, constrainedSize.Height, orginalSize));
}