Classes and Member Functions > LBitmapRgn > LBitmapRgn Member Functions > LBitmapRgn::IsPtInRgn

LBitmapRgn::IsPtInRgn

#include "ltwrappr.h"

virtual L_BOOL LBitmapRgn::IsPtInRgn(nRow, nCol)

virtual L_BOOL LBitmapRgn::IsPtInRgn(pPoint)

L_INT nRow;	row number of the pixel
L_INT nCol;	column number of the pixel
LPPOINT pPoint;	pointer to a structure of type POINT

Determines whether the specified pixel is in the associated class object's bitmap region.

Parameter	Description
nRow	The row number of the pixel.
nCol	The column number of the pixel.
pPoint	Pointer to a structure of type POINT to be tested.

Returns

TRUE	The specified pixel is in the region.
FALSE	The specified pixel is outside the region.

Comments

This function uses bitmap coordinates to specify the pixel. Therefore, you must account for the view perspective of the bitmap. For more information, refer to Accounting for View Perspective.

Functions:	LBitmapRgn::BitmapHasRgn, LBitmapRgn::Free, LBitmapRgn::GetRgnArea, Class Members
Topics:	Raster Image Functions: Creating and Using a Region
	Raster Image Functions: Region Processing
	Defining and Using a Bitmap Region

LBitmapRgn::IsPtInRgn

Returns

Comments

Example