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#include <windows.h>
/*
#include <windowsx.h>
Wine doesn't have windowsx.h, so we use this
*/
#define GET_WM_COMMAND_ID(wp,lp) LOWORD(wp)
/* Wine seems to need this */
#include <commdlg.h>
#include "globals.h"
#include "resource.h"
#include <stdio.h>
BOOL FileIsPlaceable( LPCSTR szFileName );
HMETAFILE GetPlaceableMetaFile( HWND hwnd, LPCSTR szFileName );
#define FN_LENGTH 80
HMETAFILE hmf;
int deltax = 0, deltay = 0;
int width = 0, height = 0;
BOOL isAldus;
BOOL FileOpen(HWND hWnd, char *fn)
{
OPENFILENAME ofn = { sizeof(OPENFILENAME),
0, 0, "Metafiles\0*.wmf\0", NULL, 0, 0, NULL,
FN_LENGTH, NULL, 0, NULL, NULL, OFN_CREATEPROMPT |
OFN_SHOWHELP, 0, 0, NULL, 0, NULL };
ofn.hwndOwner = hWnd;
ofn.lpstrFile = fn;
return GetOpenFileName(&ofn);
}
LRESULT CALLBACK WndProc(HWND hwnd,
UINT uMessage,
WPARAM wparam,
LPARAM lparam)
{
switch (uMessage)
{
case WM_PAINT:
{
PAINTSTRUCT ps;
BeginPaint(hwnd, &ps);
SetMapMode(ps.hdc, MM_ANISOTROPIC);
SetViewportExtEx(ps.hdc, width, height, NULL);
SetViewportOrgEx(ps.hdc, deltax, deltay, NULL);
if(hmf) PlayMetaFile(ps.hdc, hmf);
EndPaint(hwnd, &ps);
}
break;
case WM_COMMAND: /* message: command from application menu */
switch (GET_WM_COMMAND_ID(wparam,lparam))
{
case IDM_HELLO:
MessageBox( hwnd , "Hello there world!", "Hello", MB_OK);
break;
case IDM_OPEN:
{
char filename[FN_LENGTH];
if (FileOpen(hwnd, filename)) {
isAldus = FileIsPlaceable(filename);
if (isAldus) {
hmf = GetPlaceableMetaFile(hwnd, filename);
} else {
RECT r;
hmf = GetMetaFile(filename);
GetClientRect(hwnd, &r);
width = r.right - r.left;
height = r.bottom - r.top;
}
InvalidateRect( hwnd, NULL, TRUE );
}
}
break;
case IDM_SET_EXT_TO_WIN:
{
RECT r;
GetClientRect(hwnd, &r);
width = r.right - r.left;
height = r.bottom - r.top;
InvalidateRect( hwnd, NULL, TRUE );
}
break;
case IDM_LEFT:
deltax += 100;
InvalidateRect( hwnd, NULL, TRUE );
break;
case IDM_RIGHT:
deltax -= 100;
InvalidateRect( hwnd, NULL, TRUE );
break;
case IDM_UP:
deltay += 100;
InvalidateRect( hwnd, NULL, TRUE );
break;
case IDM_DOWN:
deltay -= 100;
InvalidateRect( hwnd, NULL, TRUE );
break;
case IDM_EXIT:
DestroyWindow(hwnd);
break;
default:
return DefWindowProc(hwnd, uMessage, wparam, lparam);
}
break;
case WM_DESTROY: /* message: window being destroyed */
PostQuitMessage(0);
break;
default: /* Passes it on if unproccessed */
return DefWindowProc(hwnd, uMessage, wparam, lparam);
}
return 0;
}
BOOL FileIsPlaceable( LPCSTR szFileName )
{
HFILE hInFile;
OFSTRUCT inof;
APMFILEHEADER apmh;
if( (hInFile = OpenFile( szFileName, &inof, OF_READ ) ) == HFILE_ERROR )
return FALSE;
if( _lread( hInFile, &apmh, sizeof(APMFILEHEADER) )
!= sizeof(APMFILEHEADER) )
{
_lclose( hInFile );
return FALSE;
}
_lclose( hInFile );
/* Is it placeable? */
return (apmh.key == APMHEADER_KEY);
}
HMETAFILE GetPlaceableMetaFile( HWND hwnd, LPCSTR szFileName )
{
LPSTR lpData;
METAHEADER mfHeader;
APMFILEHEADER APMHeader;
HFILE fh;
HMETAFILE hmf;
OFSTRUCT inof;
WORD checksum, *p;
int i;
if( (fh = OpenFile( szFileName, &inof, OF_READ ) ) == HFILE_ERROR ) return 0;
_llseek(fh, 0, 0);
if (!_lread(fh, (LPSTR)&APMHeader, sizeof(APMFILEHEADER))) return 0;
_llseek(fh, sizeof(APMFILEHEADER), 0);
checksum = 0;
p = (WORD *) &APMHeader;
for(i=0; i<10; i++)
checksum ^= *p++;
if (checksum != APMHeader.checksum) {
char msg[128];
sprintf(msg, "Computed checksum %04x != stored checksum %04x\n",
checksum, APMHeader.checksum);
MessageBox(hwnd, msg, "Checksum failed", MB_OK);
return 0;
}
if (!_lread(fh, (LPSTR)&mfHeader, sizeof(METAHEADER))) return 0;
if (!(lpData = (LPSTR) GlobalAlloc(GPTR, (mfHeader.mtSize * 2L)))) return 0;
_llseek(fh, sizeof(APMFILEHEADER), 0);
if (!_lread(fh, lpData, (UINT)(mfHeader.mtSize * 2L)))
{
GlobalFree(lpData);
_lclose(fh);
return 0;
}
_lclose(fh);
if (!(hmf = SetMetaFileBitsEx(mfHeader.mtSize*2, lpData)))
return 0;
width = APMHeader.bbox.Right - APMHeader.bbox.Left;
height = APMHeader.bbox.Bottom - APMHeader.bbox.Top;
/* printf("Ok! width %d height %d inch %d\n", width, height, APMHeader.inch); */
width = width*96/APMHeader.inch;
height = height*96/APMHeader.inch;
deltax = 0;
deltay = 0 ;
return hmf;
}
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