gdiutils.h

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/*
 *
 * gdiutils.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 GDIUTILS_H
#define GDIUTILS_H

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

HDC CreateDC(PCDEVMODE pdm, BOOL bIC = FALSE); // DEBUG / FIX SHOULD SEND IN THE PRINTER NAME HERE
HENHMETAFILE CreateDraftMetaFile(HENHMETAFILE hMeta, COLORREF clrBkg, DWORD dwDraftMaxDimension) ;
HRGN CreateEmptyRgn(void);
HRGN CreateRectRgn(const RECT& r);
int CombineRgn(HRGN hrgnDest, HRGN hrgnSrc1, const RECT& r, int fnCombineMode);
void FillBkColor(OUT HDC hdc, const RECT& r) ;
BOOL FillSolidColor(OUT HDC hdc, const RECT& r, COLORREF clr);
BOOL GetClipRgn(HDC hdc, HRGN hrgn, const RECT& rWindow);
// CALLER IS RESPONSIBLE FOR DELETING, ETC, THE RETURNED HANDLE
// lptstrDestFile CAN BE NULL, IN WHICH CASE A MEMORY META HANDLE IS RETURNED
// lptstrDestDescription IS AS IN DOCS FOR CreateEnhMetaFile, CAN BE NULL
// hdcDestRef CANNOT BE NULL -- GetDC(NULL) CAN BE USED (WHAT GDI DOES FOR CreateEnhMetaFile WHEN THIS PARAM IS NULL)
// THE SELECTION IS IS SCALED AS LARGE AS POSSIBLE TO FIT WITHIN
// THE RESOLUTION OF THE REFERENCE DC, AND THAT SCALED RECTANGLE, WITH ORIGIN AT (0,0) AND POSITIVE RIGHT, BOTTOM,
// IS SET AS THE "FRAME" FOR THE RETURNED HANDLE.  EVERYTHING ELSE IS CLIPPED OUT.
// szDestSelection_Pixels IS THE SIZE OF THE SCALED EXTRACTION IN PIXELS OF THE REF DC
HENHMETAFILE ExtractSelectionFromEnhMetafile(
	IN HENHMETAFILE hMetaSrc,
	IN const RECTD& rdSrcSelection_Inches,
	IN const RECTD& rdSrcTotal_Inches,
	IN HDC hdcDestRef,
	IN LPTSTR lptstrDestFileName,
	IN LPCTSTR lptstrDestDescription,
	OUT SIZE& szDestSelection_Pixels
) ;
HBITMAP ExtractSelectionToBitmap(
	IN const class Image& img,
	IN const RECTD& rdSrcSelection,
	IN HDC hdcRef,
	DWORD dwMaxDimension,
	OUT SIZE& out_szDestSelection_Pixels
) ;
HENHMETAFILE ExtractSelectionToEnhMetafile(
	IN const class Image& img,
	IN const RECTD& rdSrcSelection,
	IN HDC hdcRef,
	IN LPTSTR lptstrDestFileName,
	IN LPCTSTR lptstrDestDescription,
	OUT SIZE& out_szDestSelection_Pixels
) ;
int IntersectClipRect(OUT HDC hdc, IN const RECT& r) ;
// CALLER IS RESPONSIBLE FOR FREEING RETURNED MALLOC'D BUFFER
PVOID MyGetEnhMetaFileBits(IN HENHMETAFILE hMeta, OUT DWORD& dwCbData) ;
void SetViewport(OUT HDC hdc, IN const RECT& rl) ;
void SetWindow(OUT HDC hdc, IN const RECT& rl) ;

#endif