0025785: Visualization - introduce AIS_ColorScale presentation for Color Scale

[occt.git] / src / V3d / V3d_View_Print.cxx

// Created by: THA
// Copyright (c) 1999-2014 OPEN CASCADE SAS
//
// This file is part of Open CASCADE Technology software library.
//
// This library is free software; you can redistribute it and/or modify it under
// the terms of the GNU Lesser General Public License version 2.1 as published
// by the Free Software Foundation, with special exception defined in the file
// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
// distribution for complete text of the license and disclaimer of any warranty.
//
// Alternatively, this file may be used under the terms of Open CASCADE
// commercial license or contractual agreement.

// e-mail	    t-hartl@muenchen.matra-dtv.fr

/************************************************************************/
/* Includes                                                             */
/************************************************************************/

#ifdef WNT
#include <windows.h>
#pragma comment( lib, "comdlg32.lib"  )
#endif


#include <Aspect_GradientBackground.hxx>
#include <Aspect_Grid.hxx>
#include <Aspect_Window.hxx>
#include <Bnd_Box.hxx>
#include <gp_Ax3.hxx>
#include <gp_Dir.hxx>
#include <Graphic3d_Group.hxx>
#include <Graphic3d_Structure.hxx>
#include <Graphic3d_TextureEnv.hxx>
#include <Graphic3d_Vector.hxx>
#include <Quantity_Color.hxx>
#include <Standard_MultiplyDefined.hxx>
#include <Standard_NotImplemented.hxx>
#include <Standard_TypeMismatch.hxx>
#include <V3d_BadValue.hxx>
#include <V3d_LayerMgr.hxx>
#include <V3d_Light.hxx>
#include <V3d_UnMapped.hxx>
#include <V3d_View.hxx>
#include <V3d_Viewer.hxx>
#include <Visual3d_View.hxx>

#ifdef WNT
struct Device
{
	Device();
	~Device();
	
	PRINTDLG _pd;
};

//**********************************************************************

static Device device;

//**********************************************************************

Device::Device()
{
	memset(&_pd, 0, sizeof(PRINTDLG));
	_pd.hDevNames = NULL;
	_pd.hDevMode = NULL;
	_pd.lStructSize = sizeof(PRINTDLG);
}

//**********************************************************************

Device::~Device()
{	
	// :TODO:
	if (_pd.hDevNames) GlobalFree(_pd.hDevNames);
	if (_pd.hDevMode) GlobalFree(_pd.hDevMode);
	if (_pd.hDC) DeleteDC(_pd.hDC);
}
#endif

/************************************************************************/
/* Print Method                                                        */
/************************************************************************/

Standard_Boolean V3d_View::Print (const Aspect_Handle    hPrnDC,
                                  const Standard_Boolean showDialog,
                                  const Standard_Boolean showBackground,
                                  const Standard_CString filename,
                                  const Aspect_PrintAlgo printAlgorithm) const
{
#ifdef WNT
	if( MyView->IsDefined() ) 
	{
		if (hPrnDC != NULL)
		{
			return MyView->Print(hPrnDC, showBackground,
			                     filename, printAlgorithm) ;
			
		}

		if (device._pd.hDC == NULL || showDialog )
		{
			if (device._pd.hDC)
				DeleteDC(device._pd.hDC);
			if ( !showDialog )
			{
				device._pd.Flags = PD_RETURNDC | PD_NOSELECTION | PD_RETURNDEFAULT;
			}
			else
			{
				device._pd.Flags = PD_RETURNDC | PD_NOSELECTION;
			}

			BOOL	ispd;
			ispd = PrintDlg((LPPRINTDLG)(&(device._pd)));
		
			if (!ispd)
			{
				return Standard_False;
			}
			
			if (!(device._pd.hDC)) 
			{
				if (device._pd.hDevNames) 
				{
					GlobalFree(device._pd.hDevNames);
					device._pd.hDevNames = NULL;
				}
				if (device._pd.hDevMode)
				{
					GlobalFree(device._pd.hDevMode);
					device._pd.hDevMode = NULL;
				}
				MessageBox(0, "Couldn't create Printer Device Context", "Error", MB_OK | MB_ICONSTOP);
				return Standard_False;
			}
		}

    // process scale factor accordingly to the new printing approach
    DEVMODE* aMode = (LPDEVMODE)GlobalLock(device._pd.hDevMode);

    // convert percents to multiplication factor, 100% = 1.0
    Standard_Real aScaleFactor = (Standard_Real) aMode->dmScale / 100.0;
    GlobalUnlock (device._pd.hDevMode);
   return MyView->Print(device._pd.hDC, showBackground,
                        filename, printAlgorithm, aScaleFactor) ;
	}
#else
	Standard_NotImplemented::Raise ("V3d_View::Print is implemented only on Windows");
#endif
  return Standard_False;
}