LBitmapWindow::SetZoomMode

#include "ltwrappr.h"

L_INT LBitmapWindow::SetZoomMode(uMode, bDraw=TRUE)

Sets the zoom mode used for displaying the bitmap in the class object's window.

Parameters

L_UINT uMode

The zoom mode. Possible values are:

Value Meaning
ZOOM_FIT to fit the bitmap in the window while maintaining the aspect ratio.
ZOOM_STRETCH to stretch the bitmap to the window.
ZOOM_NORMAL to display the bitmap in its normal size.
ZOOM_FITWIDTH to fit the bitmap to the width of the window.
ZOOM_FITHEIGHT to fit the bitmap to the height of the window.

L_BOOL bDraw

Flag that indicates whether to enable or disable repainting the window. Possible values are:

Value Meaning
TRUE Enable repainting of the window.
FALSE Disable repainting of the window.

Returns

Value Meaning
SUCCESS The function was successful.
< 1 An error occurred. Refer to Return Codes.

Comments

When you change the zoom mode, the zoom percent is updated. You can call LBitmapWindow::GetZoomPercent to get the zoom percent currently used to display the image.

Required DLLs and Libraries

Platforms

Win32, x64.

See Also

Example

For an example, refer to LBitmapWindow::Repaint.

Help Version 21.0.2021.4.8
Products | Support | Contact Us | Intellectual Property Notices
© 1991-2021 LEAD Technologies, Inc. All Rights Reserved.

LEADTOOLS Raster Imaging C++ Class Library Help