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Re: transfer a bitmap from leadraster.bitmap to system.drawing.image

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While some posts in this topic are more current, this topic was posted before the current version of LEADTOOLS was released and may no longer be applicable.

#1 Posted : Wednesday, June 22, 2005 10:41:20 PM(UTC)

matiasm

Groups: Registered
Posts: 1

Hi,
I use VB dotnet , but still the COM library (v.14).
Can you tell me how to create a new system.drawing.image from a leadraster.bitmap?
In VB6, I used the "setpicture" and "getpicture" methods to put a lead bitmap y a windows control , like a picturebox.
But in dotNet I dont know how to do it.
I tryed getDIB but without good results.
Thanks in advance

Matias Molleja
KITOLI.


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#2 Posted : Monday, June 27, 2005 8:47:53 AM(UTC)

Maen Hasan

Groups: Registered, Tech Support
Posts: 1,326

Was thanked: 1 time(s) in 1 post(s)

Hello,

You can create a new System.Drawing.Image object from a LeadRaster bitmap by using the following C# code:

======================================

System.Drawing.Image image1;

stdole.IPictureDisp pic = axLEADRasterView1.Raster.GetPicture();

image1 = System.Drawing.Image.FromHbitmap(new IntPtr(pic.Handle), new IntPtr(pic.hPal));

pictureBox1.Image = image1;

======================================

Regards,

Maen Badwan

LEADTOOLS Technical Support

#3 Posted : Thursday, February 15, 2007 11:35:14 AM(UTC)

DanOls

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Posts: 3

How can I do the same thing using a RasterImage object as the source?

#4 Posted : Monday, February 19, 2007 6:30:33 AM(UTC)

serbach

Groups: Registered
Posts: 9

DanOls,

I've used the RasterImage.ConvertToGdiPlusImage() method for that purpose. It's very quick, too, at least in v. 15.

Steve Erbach
Neenah, WI
http://TheTownCrank.blogspot.com

#5 Posted : Monday, February 19, 2007 10:45:57 AM(UTC)

Adnan Ismail

Groups: Guests
Posts: 3,022

Was thanked: 2 time(s) in 2 post(s)

Steve,
Thank you for the feedback.

Also, if you are using our .NET 14.5 classes, you can convert a LEAD RasterImage to System.Drawing.Image using the ChangeToGdiPlusImage Method.

#6 Posted : Monday, April 10, 2017 9:22:03 AM(UTC)

Walter

Groups: Tech Support
Posts: 366

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Was thanked: 4 time(s) in 4 post(s)

In LEADTOOLS 17 and later, RasterImage does not contain the ChangeToGdiPlusImage(). Instead, use the Leadtools.Drawing.RasterImageConverter.ChangeToImage() method. This will return a System.Drawing.Image. If you need a copy of the image instead, you can use RasterImageConverter.ConvertToImage().

Walter Bates
Senior Support Engineer
LEAD Technologies, Inc.

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