LAnnotation::GetArea
#include "ltwrappr.h"
virtual L_INT LAnnotation::GetArea(puCount)
/* address of a variable to be updated */ |
Gets the pixel count of the specified annotation object. This function is available in the Document/Medical Toolkits.
Parameter |
Description |
puCount |
Address of the variable to be updated with the pixel count. |
Returns
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Comments
The pixel count is the number of pixels contained in a region extracted from the annotation object, without resizing. It is equivalent to calling LAnnotation::GetRgnHandle with pRgnXForm set to NULL and then getting a pixel count of the resulting region.
Required DLLs and Libraries
LTANN For a listing of the exact DLLs and Libraries needed, based on the toolkit version, refer to Files To Be Included With Your Application. |
See Also
Functions: |
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Topics: |
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Example
void CVCAnnotation11Dlg::OnButtonGetRgnHandle()
{
LBitmap MyBitmap;
ANNRECT annRect;
L_UINT32 uCount;
L_UNLOCKSUPPORT(L_SUPPORT_DOCUMENT, L_KEY_DOCUMENT);
LAnnRectangle MyAnnRectangle;
annRect.left = 50;
annRect.top = 50;
annRect.right = 150;
annRect.bottom = 150;
MyAnnRectangle.SetRect(&annRect);
//Area = 101 x 101
MyAnnRectangle.GetArea(&uCount);
HRGN hRgn;
RECT rect;
//Bounding rectangle is (50,50,151,151)
MyAnnRectangle.GetRgnHandle(&hRgn);
GetRgnBox(hRgn, &rect);
}