renderpages.h

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/*
 * 
 * renderpages.h
 *
   Copyright (C) 2006 Michael H. Overlin

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2 of the License, or
   (at your option) any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
   
   Contact at [e-mail]
 */

#ifndef RENDERPAGES_H
#define RENDERPAGES_H

#include "types.h"
#include <windows.h>


struct RenderSpec {
	enum SizeMode { eZoom, eMosaic };
	// WHEN SIZE IS BASED ON MOSAIC, ALL AVAILABLE SPACE IN ONE DIMENSION IS USED
	// REFERRED TO AS "FULL DIMENSION", ENUM BELOW
	enum MosaicFullDimension { eX, eY };
	SizeMode mode;
	//WORD wZoom; // IF MODE IS NOT eZoom THIS IS NOT USED, ZOOM CALCULATED FROM MOSAIC SIZE
	// HOWEVER CURRENTLY THIS VALUE IS KEPT ACCURATE, AS IS szMosaic, NO MATTER THE MODE
	double dZoom;
	// 5/29 ADD bCenter (WOULD ASSUME THAT THE SPOOLER METAFILE IS RELATIVE TO TOP LEFT - SO CENTER IS FALSE
	// WHEN DISPLAYING THE ORIGINAL - CHECK THIS THRU TESTING)
	BOOL bCenter;  
	// DEBUG / FIX SHOULD HAVE SETTING FOR WHETHER ABSOLUTE, OR AUTOMATIC CUT GUIDES
	// CURRENTLY THIS SHOULD BE AUTO IGNORED WHEN PAGESPEC PRINTALBE SPACE IS ENTIRE PAGE
	BOOL bCutGuides;
	//BOOL bBW;
	SIZE szMosaic;
	// 5/30 MOVE MARGINS TO THE PAGE SPEC, EDGE MARGIN VALUES DEPEND ON PAGE SPEC VALUES
	// AND WHEN THE PAGE SPEC IS ROTATED, ALSO HAVE TO BE ROTATED.  IF OTHER MARGINS ARE MADE MORE
	// SPECIFIC, WOULD ALSO PROBABLY WANT TO ROTATE THEM
	//double dOverlapMargin_Inches;
	//double dCutGuideMargin_Inches;
	//RECTD rdEdgeMargins_Inches;
};

struct MarginSpec {
	// 5/30 MOVED FROM RenderSpec - ROTATE EDGE MARGIN WITH THE PAGE
	double dOverlapMargin_Inches;
	double dCutGuideMargin_Inches;
	RECTD rdEdgeMargins_Inches;
};

struct PageSpec {
	// IN PIXELS
	SIZEL szlPhysicalPage;
	POINT ptlOffsetPrintable;
	SIZEL szlPrintable;
	SIZED szdPhysicalPage_Inches;

	// 6/11
	LandscapeRot::LandscapeRot rotDir;
	BOOL bLandscape;
	//// 6/3
	//// HAS X/Y BEEN FLIPPED RELATIVE TO SOME REFERENCE (SUCH AS PRINTER'S PAGE SPECS)
	//BOOL bReflected;
	// 6/4 MOVE TO STRUCT
	::MarginSpec ms;
};

struct SourceSpec {
	// IN INCHES
	RECTD rdTotalImage_Inches;
	RECTD rdSelection_Inches;
};

void RenderMosaicPage(
	OUT HDC hdc, 
	IN const RECT& rlDest, 
	IN const POINT& ptPage,
	IN const RenderSpec& rs, 
	IN const PageSpec& ps,
	IN HENHMETAFILE hMeta,
	IN const SourceSpec &ss
	) ;

void CalculateMosaicSizeFromZoom(
	OUT SIZE& szMosaic, 
	IN double dZoom,
	IN const RenderSpec& rs, 
	IN const PageSpec& ps, 
	IN const SourceSpec &ss
	) ;

void CalculateMosaicSizeFromZoomWithRotation(
	OUT SIZE& szMosaic, 
	OUT BOOL& bRotated,
	IN double dZoom,
	IN const RenderSpec& rs, 
	IN const PageSpec& ps, 
	IN const SourceSpec &ss
	) ;


void CalculatePageLogPix(OUT POINTD& ptdLogPix, IN const PageSpec& ps) ;

void CalculateReneredImageBoundsRelPrintable(
	OUT RECTD& rdRenderedImageBounds_Inches, 
	IN const POINT& ptPage,
	IN const ::RenderSpec& rs,
	IN const ::PageSpec& ps,
	IN const ::SourceSpec& ss
	);

double CalculateZoomFromMosaicSize(
	IN const SIZE& szMosaic,
	IN const RenderSpec& rs, 
	IN const PageSpec& ps, 
	IN const SourceSpec &ss,
	OUT RenderSpec::MosaicFullDimension& fulldim
	) ;

BOOL GetPageSpec(
	OUT ::PageSpec &ps, 
	IN const ::MarginSpec& ms, 
	IN ::PCDEVMODE pdm, 
	LPCTSTR lptstrPrinterName, 
	IN BOOL bEvenMargins,
	IN BOOL bAllowNonStandardMargins
	) ;

void EnforceMinimumMargins(IN OUT ::PageSpec &ps, IN BOOL bEvenMargins) ;

double FindNextLargerMosaicSize(IN OUT SIZE& szMosaic, IN double dZoomCurrent,
							  IN const ::RenderSpec rs, IN const ::PageSpec& ps, IN const ::SourceSpec& ss) ;
double FindNextLargerMosaicSizeWithRotation(IN OUT SIZE& szMosaic, OUT BOOL& bRotate, IN double dZoomCurrent,
							  IN const ::RenderSpec rs, IN const ::PageSpec& ps, IN const ::SourceSpec& ss) ;
double FindNextSmallerMosaicSize(IN OUT SIZE& szMosaic, 
								 IN const ::RenderSpec& rs, IN const ::PageSpec& ps, IN const ::SourceSpec& ss) ;
double FindNextSmallerMosaicSizeWithRotation(IN OUT SIZE& szMosaic, OUT BOOL& bRotate, IN double dZoomCurrent,
							  IN const ::RenderSpec rs, IN const ::PageSpec& ps, IN const ::SourceSpec& ss) ;
void GetMinimumPageMargins(OUT RECTD& rdMargins_Inches, IN const PageSpec& ps) ;
BOOL IsPageSpecValid(IN const ::PageSpec& ps, IN double dMinPrintable_Inches, IN BOOL bAllowNonStandardMargins) ;
void MakeZoomSettingsConsistent(IN OUT ::RenderSpec& rs, IN const ::PageSpec& ps, IN const  ::SourceSpec& ss, 
								IN BOOL bAllowRotation, OUT BOOL& bRotated) ;
void LandscapeRotatePageSpec(OUT PageSpec& psDest, IN const PageSpec& psSrc) ;
inline void LandscapeRotatePageSpec(IN OUT PageSpec& ps) { LandscapeRotatePageSpec(ps, ps); }

//void ReflectPageSpec(OUT PageSpec &psDest, IN const PageSpec& psSrc) ;
//inline void ReflectPageSpec(IN OUT PageSpec &ps) { ::ReflectPageSpec(ps, ps); }

#endif