Translates a point (x,y) from the bitmap's view perspective to the specified view perspective.
#include "l_bitmap.h"
L_LTKRN_API L_INT L_PointFromBitmap(pBitmap, ViewPerspective, px, py)
Pointer to the bitmap handle referencing the bitmap that contains the point.
Destination view perspective to which the point should be translated.
Address of variable for the X coordinate of the point.
Address of variable for the Y coordinate of the point.
Value | Meaning |
---|---|
SUCCESS | The function was successful. |
< 1 | An error occurred. Refer to Return Codes. |
To use this function, do the following:
For general information about view perspectives, refer to Accounting for View Perspective.
Win32, x64, Linux.
This example finds out where the origin of the bitmap would be in a TOP_LEFT90 ViewPerspective
L_INT PointFromBitmapExample(pBITMAPHANDLE LeadBitmap,
L_INT* nX,
L_INT* nY)
{
L_INT nRet;
nRet = L_PointFromBitmap ( LeadBitmap, TOP_LEFT90, nX, nY );
if(nRet != SUCCESS)
return nRet;
return SUCCESS;
}
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