#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. |
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. |
Platforms
Win32, x64.
Functions: |
#define MAKE_IMAGE_PATH(pFileName) TEXT("C:\\Users\\Public\\Documents\\LEADTOOLS Images\\")pFileName
L_INT LBitmapWindow__GetBitmapVisibleRectExample(HWND hWndParent)
{
L_INT nRet;
LBitmapWindow LeadBWnd ;
nRet = LeadBWnd.Load(MAKE_IMAGE_PATH(TEXT("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 ;
}
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