how can I use RotateCommand

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#1 Posted : Wednesday, November 15, 2017 7:30:23 PM(UTC)

tksong

Groups: Registered
Posts: 10

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Hi, I am working on a project using Leadtool in the MFC environment.

I want to rotate the image freely using the mouse like the PANIMAGE tool, but

I was able to rotate the image only at a limited angle.

I found an article to use the 'RotateCommand' in my forum search results,

Can I use the RotateCommand function in an MFC environment?

If yes, how can I use it?


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#2 Posted : Thursday, November 16, 2017 4:15:59 PM(UTC)

Walter

Groups: Tech Support
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Hello,

The RotateCommand is a .NET method. For MFC, I am assuming you are using C++ in which case you will want to look at LBitmapBase::Rotate() or LDialogImage::DoModalRotate(). The Rotate() method will allow you to manually do the rotation. You've indicated you wanted to accomplish this using the mouse though. For that, I'd suggest checking out the image common dialog. You can see how this works in the LEADTOOLS C++ Main Demo. Under the Image menu, mouse over Rotate and then select the Any Angle menu item.

Walter Bates
Senior Support Engineer
LEAD Technologies, Inc.

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