public void Insert(
RasterImage image
)
Public Overloads Sub Insert( _
ByVal image As RasterImage _
)
public:
void Insert(
RasterImage^ image
)
image
Image to be inserted in the PDF file.
This method does not use MRC segmentation on the image being inserted into the PDF file. Use the SetCompression method to specify the compression for the segments. For more information, refer to Creating a Compressed PDF File.
This example inserts an image into a PDF document by using user Segments.
using Leadtools;
using Leadtools.PdfCompressor;
using Leadtools.Codecs;
public void pdfCompressor_SegmentImage_MrcSegmentsDocument(object sender, PdfCompressorSegmentImageEventArgs e)
{
//This will prevent addition to any segment with type background
if (e.Segment.Type == SegmentTypeFlags.Background)
e.Cancel = true;
else
e.Cancel = false;
}
public void PdfCompressorExample_MrcSegmentsDocument()
{
// Load an image
RasterCodecs codecs = new RasterCodecs();
codecs.ThrowExceptionsOnInvalidImages = true;
RasterImage image = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "MRCSegmentation.mrc"));
PdfCompressorEngine pdfCompressor = new PdfCompressorEngine();
PdfCompressorCompressionTypes compressionTypes = new PdfCompressorCompressionTypes();
//Sets compression types needed for each segment
compressionTypes.Comp1Bit = PdfCompressor1BitCompression.Zip1Bit;
compressionTypes.Comp2Bit = PdfCompressor2BitCompression.Lzw2Bit;
compressionTypes.CompPicture = PdfCompressorPictureCompression.JpgPic;
compressionTypes.QFactor = 2;
//Flags for used compression types should be set
compressionTypes.Flags = EnabledCompressionsFlags.EnableOneBit |
EnabledCompressionsFlags.EnableTwoBit |
EnabledCompressionsFlags.EnablePicture;
pdfCompressor.SetCompression(compressionTypes);
PdfCompressorSegmentsInfo[] segmentInfo = new PdfCompressorSegmentsInfo[2];
segmentInfo[0] = new PdfCompressorSegmentsInfo();
segmentInfo[1] = new PdfCompressorSegmentsInfo();
pdfCompressor.SegmentImage += new EventHandler<PdfCompressorSegmentImageEventArgs>(pdfCompressor_SegmentImage_MrcSegmentsDocument);
segmentInfo[0].Rectangle = new LeadRect(0, 0, 100, 100);
segmentInfo[0].Type = SegmentTypeFlags.Background;
segmentInfo[0].ValidColors = 1;
segmentInfo[0].Colors[0] = new RasterColor(0, 0, 0);
segmentInfo[1].Rectangle = new LeadRect(100, 100, 200, 200);
segmentInfo[1].Type = SegmentTypeFlags.Gray;
segmentInfo[1].ValidColors = 1;
segmentInfo[1].Colors[0] = new RasterColor(255, 255, 255);
pdfCompressor.InsertSegments(image, segmentInfo, false, new RasterColor(0, 0, 0));
pdfCompressor.Write(Path.Combine(LEAD_VARS.ImagesDir, "Out_Image.pdf"));
}
static class LEAD_VARS
{
public const string ImagesDir = @"C:\LEADTOOLS21\Resources\Images";
}
Imports Leadtools
Imports Leadtools.PdfCompressor
Imports Leadtools.Codecs
Public Sub pdfCompressor_SegmentImage_MrcSegmentsDocument(ByVal sender As Object, ByVal e As PdfCompressorSegmentImageEventArgs)
'This will prevent addition to any segment with type background
If e.Segment.Type = SegmentTypeFlags.Background Then
e.Cancel = True
Else
e.Cancel = False
End If
End Sub
Public Sub PdfCompressorExample_MrcSegmentsDocument()
' Load an image
Dim codecs As RasterCodecs = New RasterCodecs()
codecs.ThrowExceptionsOnInvalidImages = True
Dim image As RasterImage = codecs.Load(Path.Combine(LEAD_VARS.ImagesDir, "MRCSegmentation.mrc"))
Dim pdfCompressor As New PdfCompressorEngine()
Dim compressionTypes As PdfCompressorCompressionTypes = New PdfCompressorCompressionTypes()
'Sets compression types needed for each segment
compressionTypes.Comp1Bit = PdfCompressor1BitCompression.Zip1Bit
compressionTypes.Comp2Bit = PdfCompressor2BitCompression.Lzw2Bit
compressionTypes.CompPicture = PdfCompressorPictureCompression.JpgPic
compressionTypes.QFactor = 2
'Flags for used compression types should be set
compressionTypes.Flags = EnabledCompressionsFlags.EnableOneBit Or EnabledCompressionsFlags.EnableTwoBit Or EnabledCompressionsFlags.EnablePicture
pdfCompressor.SetCompression(compressionTypes)
AddHandler pdfCompressor.SegmentImage, AddressOf pdfCompressor_SegmentImage_MrcSegmentsDocument
Dim segmentInfo As PdfCompressorSegmentsInfo() = New PdfCompressorSegmentsInfo(1) {}
segmentInfo(0) = New PdfCompressorSegmentsInfo()
segmentInfo(1) = New PdfCompressorSegmentsInfo()
segmentInfo(0).Rectangle = New LeadRect(0, 0, 100, 100)
segmentInfo(0).Type = SegmentTypeFlags.Background
segmentInfo(0).ValidColors = 1
segmentInfo(0).Colors(0) = New RasterColor(0, 0, 0)
segmentInfo(1).Rectangle = New LeadRect(100, 100, 200, 200)
segmentInfo(1).Type = SegmentTypeFlags.Gray
segmentInfo(1).ValidColors = 1
segmentInfo(1).Colors(0) = New RasterColor(255, 255, 255)
pdfCompressor.InsertSegments(image, segmentInfo, False, New RasterColor(0, 0, 0))
pdfCompressor.Write(Path.Combine(LEAD_VARS.ImagesDir, "Image.pdf"))
End Sub
Public NotInheritable Class LEAD_VARS
Public Const ImagesDir As String = "C:\LEADTOOLS21\Resources\Images"
End Class
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