// ---------------------------------------------------------------------------
/**
* @see com.itextpdf.text.pdf.parser.RenderListener#renderImage(
* com.itextpdf.text.pdf.parser.ImageRenderInfo)
*/
public void RenderImage(ImageRenderInfo renderInfo)
{
PdfImageObject image = renderInfo.GetImage();
//PdfName filter = (PdfName)image.Get(PdfName.FILTER);
string imageName = string.Format("{0:0000}_{1:0000}.{2}", PageIndex, ImagesList.Count, image.GetImageBytesType().FileExtension);
var pageImageIndex = new PageImageIndex
{
ImageName = imageName,
ImageIndex = ImagesList.Count,
PageIndex = PageIndex
};
var imageType = image.GetImageBytesType();
//if (imageType != PdfImageObject.ImageBytesType.JBIG2)
//{
//var bmp = image.GetDrawingImage();
// Write image to file
string pathToSave = string.Format(@"{0}\{1}", OutputPath, imageName);
//bmp.Save(string.Format(pathToSave));
// bmp.Dispose();
// Sometime gdi+ error happen. We must write byte directly to disk
if (!Directory.Exists(OutputPath))
{
Directory.CreateDirectory(OutputPath);
}
var bytes = image.GetImageAsBytes();
File.WriteAllBytes(pathToSave, bytes);
ImagesList.Add(pageImageIndex, null);
//}
}
// ---------------------------------------------------------------------------
/**
* @see com.itextpdf.text.pdf.parser.RenderListener#renderImage(
* com.itextpdf.text.pdf.parser.ImageRenderInfo)
*/
public void RenderImage(ImageRenderInfo renderInfo)
{
PdfImageObject image = renderInfo.GetImage();
//PdfName filter = (PdfName)image.Get(PdfName.FILTER);
string imageName = string.Format("{0:0000}_{1:0000}.{2}", PageIndex, ImagesList.Count, image.GetImageBytesType().FileExtension);
var pageImageIndex = new PageImageIndex
{
ImageName = imageName,
ImageIndex = ImagesList.Count,
PageIndex = PageIndex
};
var imageType = image.GetImageBytesType();
//if (imageType != PdfImageObject.ImageBytesType.JBIG2)
//{
//var bmp = image.GetDrawingImage();
// Write image to file
string pathToSave = string.Format(@"{0}\{1}", OutputPath, imageName);
//bmp.Save(string.Format(pathToSave));
// bmp.Dispose();
// Sometime gdi+ error happen. We must write byte directly to disk
if (!Directory.Exists(OutputPath))
Directory.CreateDirectory(OutputPath);
var bytes = image.GetImageAsBytes();
File.WriteAllBytes(pathToSave, bytes);
ImagesList.Add(pageImageIndex, null);
//}
}
/// <summary>
/// will merge a group of images into one
/// </summary>
/// <param name="imageBytes"></param>
/// <param name="imageNames"></param>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="index"></param>
public KeyValuePair <PageImageIndex, System.Drawing.Image> MergeGroup(Dictionary <PageImageIndex, System.Drawing.Image> groupImages, string outputPath)
{
int maxWidth = 0, maxHeight = 0, position = 0;
foreach (var imageInfo in groupImages)
{
maxWidth = Math.Max(imageInfo.Value.Width, maxWidth);
maxHeight += imageInfo.Value.Height;
}
// Create new image with max width and sum of all height
System.Drawing.Bitmap newImage = new System.Drawing.Bitmap(maxWidth, maxHeight);
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(newImage);
// merge all images
g.Clear(System.Drawing.SystemColors.AppWorkspace);
foreach (var img in groupImages)
{
if (position == 0)
{
g.DrawImage(img.Value, new System.Drawing.Point(0, 0));
position++;
maxHeight = img.Value.Height;
}
else
{
g.DrawImage(img.Value, new System.Drawing.Point(0, maxHeight));
maxHeight += img.Value.Height;
}
img.Value.Dispose();
var imagePath = string.Format(@"{0}\{1}", outputPath, img.Key.ImageName);
File.Delete(imagePath);
}
g.Dispose();
var pageDetails = new PageImageIndex
{
PageIndex = groupImages.First().Key.PageIndex,
ImageIndex = 1,
ImageName = string.Format("{0:0000}_{1:0000}.jpg", groupImages.First().Key.PageIndex, 1)
};
var newImagePath = string.Format(@"{0}\{1}", outputPath, pageDetails.ImageName);
newImage.Save(newImagePath);
newImage.Dispose();
return(new KeyValuePair <PageImageIndex, System.Drawing.Image>(pageDetails, null));
}
/// <summary>
/// will merge a group of images into one
/// </summary>
/// <param name="imageBytes"></param>
/// <param name="imageNames"></param>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="index"></param>
public KeyValuePair <PageImageIndex, AppKit.NSImage> MergeGroup(Dictionary <PageImageIndex, AppKit.NSImage> groupImages, string outputPath)
{
double maxWidth = 0, maxHeight = 0;
int position = 0;
foreach (var imageInfo in groupImages)
{
maxWidth = Math.Max(imageInfo.Value.Size.Width, maxWidth);
maxHeight += imageInfo.Value.Size.Height;
}
// Create new image with max width and sum of all height
var newImage = new NSImage(new CoreGraphics.CGSize(maxWidth, maxHeight));
newImage.LockFocus();
// merge all images
foreach (var img in groupImages)
{
if (position == 0)
{
img.Value.Draw(new CGPoint(), new CGRect(), NSCompositingOperation.DestinationAtop, 1);
position++;
maxHeight = img.Value.Size.Height;
}
else
{
img.Value.Draw(new CGPoint(0, maxHeight), new CGRect(), NSCompositingOperation.DestinationAtop, 1);
maxHeight += img.Value.Size.Height;
}
img.Value.Dispose();
var imagePath = string.Format(@"{0}\{1}", outputPath, img.Key.ImageName);
File.Delete(imagePath);
}
var pageDetails = new PageImageIndex
{
PageIndex = groupImages.First().Key.PageIndex,
ImageIndex = 1,
ImageName = string.Format("{0:0000}_{1:0000}.jpg", groupImages.First().Key.PageIndex, 1)
};
var newImagePath = string.Format(@"{0}\{1}", outputPath, pageDetails.ImageName);
var newImageData2 = newImage.AsTiff();
newImageData2.Save(newImagePath, false);
newImage.Dispose();
return(new KeyValuePair <PageImageIndex, NSImage>(pageDetails, null));
}
/// <summary>
/// will merge a group of images into one
/// </summary>
/// <param name="imageBytes"></param>
/// <param name="imageNames"></param>
/// <param name="start"></param>
/// <param name="end"></param>
/// <param name="index"></param>
public KeyValuePair<PageImageIndex, System.Drawing.Image> MergeGroup(Dictionary<PageImageIndex, System.Drawing.Image> groupImages, string outputPath)
{
int maxWidth = 0, maxHeight = 0, position = 0;
foreach (var imageInfo in groupImages)
{
maxWidth = Math.Max(imageInfo.Value.Width, maxWidth);
maxHeight += imageInfo.Value.Height;
}
// Create new image with max width and sum of all height
System.Drawing.Bitmap newImage = new System.Drawing.Bitmap(maxWidth, maxHeight);
System.Drawing.Graphics g = System.Drawing.Graphics.FromImage(newImage);
// merge all images
g.Clear(System.Drawing.SystemColors.AppWorkspace);
foreach (var img in groupImages)
{
if (position == 0)
{
g.DrawImage(img.Value, new System.Drawing.Point(0, 0));
position++;
maxHeight = img.Value.Height;
}
else
{
g.DrawImage(img.Value, new System.Drawing.Point(0, maxHeight));
maxHeight += img.Value.Height;
}
img.Value.Dispose();
var imagePath = string.Format(@"{0}\{1}", outputPath, img.Key.ImageName);
File.Delete(imagePath);
}
g.Dispose();
var pageDetails = new PageImageIndex
{
PageIndex = groupImages.First().Key.PageIndex,
ImageIndex = 1,
ImageName = string.Format("{0:0000}_{1:0000}.jpg", groupImages.First().Key.PageIndex, 1)
};
var newImagePath = string.Format(@"{0}\{1}", outputPath, pageDetails.ImageName);
newImage.Save(newImagePath);
newImage.Dispose();
return new KeyValuePair<PageImageIndex, System.Drawing.Image>(pageDetails, null);
}
