LVectorBase::GetCamera
#include "ltwrappr.h"
virtual L_INT LVectorBase::GetCamera(pVectorCamera)
pVECTORCAMERA pVectorCamera; |
/* pointer to a structure */ |
Gets the current camera values.
Parameter |
Description |
pVectorCamera |
Pointer to a VECTORCAMERA structure to be updated with the current camera values. |
Returns
SUCCESS |
The function was successful. |
< 1 |
An error occurred. Refer to Return Codes. |
Comments
This function will get the current viewing camera.
The camera is used with the view port to determine how the drawing will be projected into the destination DC when using LVectorBase::Paint.
Required DLLs and Libraries
LVKRN 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
/* LVectorBase::GetCamera() */ /* LVectorBase::SetCamera() */ L_INT LVectorBase__GetCameraExample(HWND hWnd) { L_INT nRet; VECTORCAMERA camera; L_TCHAR szTemp[300]; LVectorBase Vector; nRet = Vector.Load(TEXT("C:\\Program Files\\LEAD Technologies, Inc\\LEADTOOLS 15.0\\Images\\test.dxf")); if(nRet != SUCCESS) return nRet; nRet = Vector.GetCamera(&camera); if(nRet != SUCCESS) return nRet; wsprintf(szTemp, TEXT("New Camera\nTheta[%f]\nPhi[%f]\nLookAt[%f,%f,%f]\nDistance[%lf]\nPerspective[%s]"), camera.Theta, camera.Phi, camera.LookAt.x, camera.LookAt.y, camera.LookAt.z, camera.Distance, camera.bPerspective? TEXT("TRUE"): TEXT("FALSE") ); MessageBox(hWnd, szTemp, TEXT(""), MB_OK); camera.Theta +=20; nRet = Vector.SetCamera(&camera); if(nRet != SUCCESS) return nRet; wsprintf(szTemp, TEXT("New Camera\nTheta[%f]\nPhi[%f]\nLookAt[%f,%f,%f]\nDistance[%lf]\nPerspective[%s]"), camera.Theta, camera.Phi, camera.LookAt.x, camera.LookAt.y, camera.LookAt.z, camera.Distance, camera.bPerspective? TEXT("TRUE"): TEXT("FALSE") ); MessageBox(hWnd, szTemp, TEXT(""), MB_OK); return SUCCESS; }