L_VOID LBitmapWindow::GetBitmapVisibleRect(pRect)
Gets the visible rectangle of the displayed bitmap.
Pointer to the rectangle to be updated with the visible part of the displayed bitmap.
None.
Win32, x64.
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 ;
}
Help Collections
Raster .NET | C API | C++ Class Library | HTML5 JavaScript
Document .NET | C API | C++ Class Library | HTML5 JavaScript
Medical .NET | C API | C++ Class Library | HTML5 JavaScript
Medical Web Viewer .NET
Multimedia
Direct Show .NET | C API | Filters
Media Foundation .NET | C API | Transforms
Supported Platforms
.NET, Java, Android, and iOS/macOS Assemblies
Imaging, Medical, and Document
C API/C++ Class Libraries
Imaging, Medical, and Document
HTML5 JavaScript Libraries
Imaging, Medical, and Document