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// file: emf2pdf.cpp
// 
// Converts an EMF file to a 1 page PDF file.
//
// To build, make sure the files pdfGDI.dll, pdfGDI.lib, pdfGDI.h 
// are in the current directory, then from the command line:
//
// cl emf2pdf.cpp pdfGDI.lib gdi32.lib

#include <windows.h>
#include <stdio.h>
#include "pdfGDI.h"

void main(int argc, char *argv[])
{
	HDC dc;
	if (argc < 3)
	{
		printf("usage: emf2pdf filename.emf filename.pdf\n");
		return;
	}

	HPDFGDI h = pdfGDI_open(argv[2]);
	if (!h)
	{
		char msg[ ERROR_MSG_SIZE ];
		pdfGDI_getErrorMsg(h, msg);
		printf("pdfGDI_open failed: %s\n", msg);
		return ;
	}

	dc = pdfGDI_startPage(h, "A4");
	if (!dc)
	{
		char msg[ ERROR_MSG_SIZE ];
		pdfGDI_getErrorMsg(h, msg);
		printf("pdfGDI_startPage failed: %s\n", msg);
		return ;
	}

	// now play the EMF file  to our PDF dc

	HENHMETAFILE metaFileHandle = GetEnhMetaFile(argv[1]);
	if (metaFileHandle == 0)
	{
		printf("could not open metafile [%s]", argv[1]);
		return ;
	}

	RECT rect = {0, 0, 1000, 1000};
	if (!PlayEnhMetaFile(dc, metaFileHandle, &rect))
	{
		printf("PlayEnhMetaFile failed\n");
	}
	DeleteEnhMetaFile(metaFileHandle);

	pdfGDI_close(h);
}