LBitmapWindow::GetBitmapVisibleRect
#include "ltwrappr.h"
L_VOID LBitmapWindow::GetBitmapVisibleRect(pRect)
LPRECT pRect; |
/* pointer to the rectangle to be updated */ |
Gets the visible rectangle of the displayed bitmap.
Parameter |
Description |
pRect |
Pointer to the rectangle to be updated with the visible part of the displayed bitmap. |
Returns
None
Required DLLs and Libraries
LTDIS 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: |
Example
L_INT LBitmapWindow__GetBitmapVisibleRectExample(HWND hWndParent) { L_INT nRet; LBitmapWindow LeadBWnd ; nRet = LeadBWnd.Load(TEXT("C:\\Program Files\\LEAD Technologies, Inc\\LEADTOOLS 15.0\\Images\\image1.cmp")) ; if (nRet == SUCCESS) { L_UINT uToolType, uRgnType; RECT rect ; if (LeadBWnd.CreateWnd( hWndParent, TRUE, 0, 0, 100, 100) == NULL) return 0; uToolType = LeadBWnd.GetToolType() ; if (uToolType != TOOL_REGION) LeadBWnd.SetToolType(TOOL_REGION) ; uRgnType = LeadBWnd.GetRegionType() ; if (uRgnType != REGION_TYPE_FREE_HAND) LeadBWnd.SetRegionType(REGION_TYPE_FREE_HAND) ; //... do some process //... if (LeadBWnd.HasRgn() == TRUE) LeadBWnd.CancelRgn() ; LeadBWnd.ZoomIn() ; LeadBWnd.GetBitmapVisibleRect(&rect) ; rect.left -= 10 ; rect.top -= 10 ; rect.right -= 10; rect.bottom-= 10; nRet =LeadBWnd.Move(rect); if(nRet !=SUCCESS) return nRet; LeadBWnd.FitToParent() ; GRADIENTDLGPARAMS GradDlgParm; if(LeadBWnd. DialogEffect()->DoModalGetGradient(hWndParent)==SUCCESS) { nRet =LeadBWnd.GetGradientParameters(&GradDlgParm); if(nRet !=SUCCESS) return nRet; //… nRet =LeadBWnd.SetGradientParameters(&GradDlgParm); if(nRet !=SUCCESS) return nRet; if (LeadBWnd.GetGradientStyle() != EFX_GRADIENT_LINE2_C_TO_LT_AND_RB) LeadBWnd.SetGradientStyle(EFX_GRADIENT_LINE2_C_TO_LT_AND_RB) ; } TRANSITIONDLGPARAMS TransDlgParm; if(LeadBWnd. DialogEffect()->DoModalGetTransition(hWndParent)==SUCCESS) { LeadBWnd.GetTransitionParameters(&TransDlgParm); //… LeadBWnd.SetTransitionParameters(&TransDlgParm); if (LeadBWnd.GetTransition() != EFX_TRANS_SOLID) LeadBWnd.SetTransition(EFX_TRANS_SOLID) ; if (LeadBWnd.GetTransitionEffect() != EFX_TRANS_UPWARD_DIAG) LeadBWnd.SetTransitionEffect(EFX_TRANS_UPWARD_DIAG) ; if (LeadBWnd.GetMaxTransitionPasses() == 1) LeadBWnd.SetMaxTransitionPasses(3) ; } EFFECTDLGPARAMS EfxDlgParm; if(LeadBWnd. DialogEffect()->DoModalGetEffect(hWndParent)==SUCCESS) { LeadBWnd.DialogEffect()->GetEffectParams(&EfxDlgParm,sizeof(EfxDlgParm)); nRet =LeadBWnd.SetEffectParameters(&EfxDlgParm); if(nRet !=SUCCESS) return nRet; if (LeadBWnd.GetMaxEffectPasses() == 1) LeadBWnd.SetMaxEffectPasses(3) ; } if (LeadBWnd.GetPaintEffect() != EFX_EFFECT_WIPE_L_TO_R) LeadBWnd.SetPaintEffect(EFX_EFFECT_WIPE_L_TO_R) ; if (LeadBWnd.GetRgnFrameType() != RGNFRAME_STATIC) LeadBWnd.SetRgnFrameType(RGNFRAME_STATIC) ; } else return nRet; return SUCCESS ; }