/// <summary>
/// Creates a new PageImageList containing pages with only two colors (Black and White).
/// The returned pixel format will be the same as the source pixel format.
/// The given page image list is not altered.
/// </summary>
/// <param name="pages">The PageImageList to alter.</param>
/// <param name="threshold">The threshold to use for converting to bitonal. Default is 500.</param>
/// <returns>The new PageImageList.</returns>
private static List <PageImage> ApplyMonochromeFilter(List <PageImage> pages, int threshold = 500)
{
//Get out if source is empty
if (pages.Count == 0)
{
return(new List <PageImage>());
}
List <PageImage> ret = ImageConverter.CreateEmptyPageImageList(pages, PixelFormat.Format32bppArgb);
List <PageImage> source = null;
//If the pages are consistent 32 bit then continue
bool consistentPixelFormat = ImageConverter.IsListPixelFormatConsistent(pages);
if (consistentPixelFormat && pages[0].PageInfo.PixelFormat == PixelFormat.Format32bppArgb)
{
source = pages;
for (int i = 0; i < source.Count; i++)
{
ImageConverter.ApplyMonochromeFilter(source[i], ret[i], threshold);
}
}
else
{
source = ImageConverter.CreateEmptyPageImageList(pages, PixelFormat.Format32bppArgb);
for (int i = 0; i < pages.Count; i++)
{
ImageConverter.DrawSourcePageToDestination(pages[i], source[i], ImageUtility.InterpolationMode);
}
for (int i = 0; i < source.Count; i++)
{
ImageConverter.ApplyMonochromeFilter(source[i], ret[i], threshold);
}
ImageUtility.Dispose(source);
}
return(ret);
}
/// <summary>
/// Copies an existing PageImage List, including pixel data. PixelFormat,
/// Resolution, and color depth are not affected.
/// </summary>
/// <param name="list">The list to copy.</param>
/// <returns>The new page image list.</returns>
private static List <PageImage> CreateDeepCopy(List <PageImage> list)
{
return(ImageUtility.LoadImage(list));
}
public static ImageOperationResult VerifyAllTiffFilesAndWriteFaxTiff(string inputFilePath, string outputFilePath, PaperSize paperSize, FaxQuality faxQuality)
{
return(ImageUtility.VerifyAllTiffFilesAndWriteFaxTiff(new string[] { inputFilePath }, outputFilePath, paperSize, faxQuality));
}
public static Image ConvertTo32BitBitmap(Bitmap bmp)
{
return(ConvertTo32BitBitmap(ImageUtility.LoadImage(bmp)));
}
public static Image ConvertTo32BitBitmap(Image image)
{
return(ConvertTo32BitBitmap(ImageUtility.LoadImage(image)));
}
public static void SaveAs32BitTiff(string inputFilePath, string outputFilePath)
{
ImageUtility.SaveAs32BitTiff(ImageUtility.LoadImage(inputFilePath), outputFilePath);
}
public static Image ConvertTo32BitBitmap(string inputFilePath)
{
return(ConvertTo32BitBitmap(ImageUtility.LoadImage(inputFilePath)));
}
public static void SaveAs32BitTiff(List <PageImage> pages, string outputFilePath)
{
ImageUtility.InternalSaveAs32BitTiff(pages, outputFilePath);
}
public static void SaveAs32BitTiff(Bitmap bmp, string outputFilePath)
{
ImageUtility.SaveAs32BitTiff(ImageUtility.LoadImage(bmp), outputFilePath);
}
/// <summary>
/// Creates a new Page image list from the given Bitmap object. Pages
/// will be extracted into the Page image list if the source is multipage.
/// </summary>
/// <param name="image">The given Image object.</param>
/// <param name="convertTo32Bit">Whether to coerce into a 32 bit</param>
/// <returns>A new Page Image List</returns>
public static List <PageImage> LoadImage(Image image, bool convertTo32Bit)
{
return(ImageUtility.InternalLoadImage(image, convertTo32Bit));
}
/// <summary>
/// Creates a new Page image list from the given Bitmap object. Pages
/// will be extracted into the Page image list if the source is multipage.
/// </summary>
/// <param name="bmp">The given Bitmap object.</param>
/// <param name="quality"></param>
/// <returns>A new Page Image List</returns>
public static List <PageImage> LoadImage(Bitmap bmp, FaxQuality quality)
{
return(ImageUtility.LoadImage((Image)bmp));
}
/// <summary>
/// Creates a new Page image list from the given Bitmap object. Pages
/// will be extracted into the Page image list if the source is multipage.
/// </summary>
/// <param name="bmp">The given Bitmap object.</param>
/// <param name="convertTo32Bit">Whether to coerce into a 32 bit</param>
/// <returns>A new Page Image List</returns>
public static List <PageImage> LoadImage(Bitmap bmp, bool convertTo32Bit)
{
return(ImageUtility.LoadImage((Image)bmp, convertTo32Bit));
}
/// <summary>
/// Creates a new Page image list from the given page image list.
/// </summary>
/// <param name="pages">The given Page image list.</param>
/// <returns>A new page image list</returns>
public static List <PageImage> LoadImage(List <PageImage> pages)
{
return(ImageUtility.LoadImage(pages, true));
}
/// <summary>
/// Creates a new Page image list from the given Bitmap object. Pages
/// will be extracted into the Page image list if the source is multipage.
/// </summary>
/// <param name="image">The given Bitmap object.</param>
/// <returns>A new Page Image List</returns>
public static List <PageImage> LoadImage(Image image)
{
return(ImageUtility.LoadImage(image, true));
}
/// <summary>
/// Creates a new Page image list from the given Bitmap object. Pages
/// will be extracted into the Page image list if the source is multipage.
/// </summary>
/// <param name="bmp">The given Bitmap object.</param>
/// <returns>A new Page Image List</returns>
public static List <PageImage> LoadImage(Bitmap bmp)
{
return(ImageUtility.LoadImage(bmp, true));
}
/// <summary>
/// Creates a new Page image list from a file on disk. Pages
/// will be extracted into the Page image list if the source is multipage.
/// </summary>
/// <param name="imageFileName">The source file.</param>
/// <returns>A new Page Image List</returns>
public static List <PageImage> LoadImage(string imageFileName)
{
return(ImageUtility.LoadImage(imageFileName, true));
}
