public void RenderImage(ImageRenderInfo info)
{
PdfImageObject image = info.GetImage();
var fileType = image.GetFileType();
var imgBytes = image.GetImageAsBytes();
var imgDict = image.GetDictionary();
var imgInfo = "Unknown";
var filter = image.Get(PdfName.FILTER);
if (filter != null)
{
imgInfo = filter.ToString().Replace(',', ' ');
}
var ctm = info.GetImageCTM();
var ctmWidth = ctm[Matrix.I11];
var ctmHeight = ctm[Matrix.I22];
int imgWidth = -1;
int imgHeight = -1;
int imgResolution = -1;
PixelFormat imgFormat = PixelFormat.Undefined;
if (imgInfo != "/JBIG2Decode" && imgInfo != "/JPXDecode")
{
var img = image.GetDrawingImage();
imgWidth = img.Width;
imgHeight = img.Height;
imgFormat = img.PixelFormat;
imgResolution = Convert.ToInt32(img.VerticalResolution);
img.Dispose();
}
Images.Add(new PDFImageInfo()
{
ImageBytes = imgBytes.Length, ImageFormat = imgFormat.ToString(),
ImageHeight = imgHeight, ImageWidth = imgWidth, ImageResolution = imgResolution,
ImageInfo = imgInfo, ImageType = fileType
});
}
public virtual void RenderImage(ImageRenderInfo renderInfo)
{
IList <Rectangle> areasToBeCleaned = GetImageAreasToBeCleaned(renderInfo);
if (areasToBeCleaned == null)
{
chunks.Add(new PdfCleanUpContentChunk.Image(false, null));
}
else
{
PdfImageObject pdfImage = renderInfo.GetImage();
byte[] imageBytes = ProcessImage(pdfImage.GetImageAsBytes(), areasToBeCleaned);
if (renderInfo.GetRef() == null && pdfImage != null) // true => inline image
{
PdfDictionary dict = pdfImage.GetDictionary();
PdfObject imageMask = dict.Get(PdfName.IMAGEMASK);
Image image = Image.GetInstance(imageBytes);
if (imageMask == null)
{
imageMask = dict.Get(PdfName.IM);
}
if (imageMask != null && imageMask.Equals(PdfBoolean.PDFTRUE))
{
image.MakeMask();
}
PdfContentByte canvas = Context.Canvas;
canvas.AddImage(image, 1, 0, 0, 1, 0, 0, true);
}
else if (pdfImage != null && imageBytes != pdfImage.GetImageAsBytes())
{
chunks.Add(new PdfCleanUpContentChunk.Image(true, imageBytes));
}
}
}