How to set destination rectangle use LAnnotationWindow?

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This topic and its replies were posted before the current version of LEADTOOLS was released and may no longer be applicable.

#1 Posted : Wednesday, April 6, 2011 1:01:42 AM(UTC)

koizumi

Groups: Registered
Posts: 3

Hi.

I'm using Leadtools V16 c++ class library

Do you have any example to pan the image exceed the LAnnotationWindow?

because I found in help file:

"LBitmapBase::SetDstRect" ...

This function is not working while being called from the classes LBitmapWindow, LAnimationWindow, or LAnnotationWindow.

thank you~


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#2 Posted : Wednesday, April 6, 2011 4:48:16 AM(UTC)

Javed

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Posts: 11

You can use the built-in mouse tools for panning. You can se the tool by calling LBitmapWindow::SetToolType and passing “TOOL_PANIMAGE” for uToolType argument.
You can also use the LBitmapWindow::ScrollBy and LBitmapWindow::ScrollTo methods to pan/scroll image in LBitmapWindow.

#3 Posted : Tuesday, April 12, 2011 1:21:54 AM(UTC)

koizumi

Groups: Registered
Posts: 3

Thanks for reply,

I have try that already, but I still can't find a way to pan the image exceed the window when the image is smaller than the LBitmapWindow.

I used to do that before by LEAD 13 VCL component, ...any suggestion?

#4 Posted : Tuesday, April 12, 2011 11:08:02 PM(UTC)

Maen Hasan

Groups: Registered, Tech Support
Posts: 1,326

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

If you want low-level control beyond what LBitmapWindow and its children (like LAnnotationWindow) can provide, you can use the LBitmap class (which supports SetDstRect) and implement your own code for painting using LBitmap.Paint()->PaintDC().
If you do that, you can still use annotations, but you will have to create the annotation container and automation objects yourself.

Thanks,
Maen Badwan
LEADTOOLS Technical Support

#5 Posted : Monday, April 18, 2011 9:19:54 PM(UTC)

koizumi

Groups: Registered
Posts: 3

It seen to be a hard work, anyway, I will try.

thank you very much~

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