2 * Copyright 1998 Douglas Ridgway
4 * This library is free software; you can redistribute it and/or
5 * modify it under the terms of the GNU Lesser General Public
6 * License as published by the Free Software Foundation; either
7 * version 2.1 of the License, or (at your option) any later version.
9 * This library is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12 * Lesser General Public License for more details.
14 * You should have received a copy of the GNU Lesser General Public
15 * License along with this library; if not, write to the Free Software
16 * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
27 int deltax
= 0, deltay
= 0;
28 int width
= 0, height
= 0;
31 static BOOL
FileOpen(HWND hWnd
, char *fn
, int fnsz
)
33 OPENFILENAME ofn
= { sizeof(OPENFILENAME
),
34 0, 0, NULL
, NULL
, 0, 0, NULL
,
35 fnsz
, NULL
, 0, NULL
, NULL
,
36 OFN_SHOWHELP
, 0, 0, NULL
, 0, NULL
};
37 ofn
.lpstrFilter
= "Metafiles\0*.wmf\0";
43 return GetOpenFileName(&ofn
);
46 static BOOL
FileIsPlaceable( LPCSTR szFileName
)
51 if( (hInFile
= _lopen( szFileName
, OF_READ
) ) == HFILE_ERROR
)
54 if( _lread( hInFile
, &apmh
, sizeof(APMFILEHEADER
) )
55 != sizeof(APMFILEHEADER
) )
62 /* Is it placeable? */
63 return (apmh
.key
== APMHEADER_KEY
);
66 static HMETAFILE
GetPlaceableMetaFile( HWND hwnd
, LPCSTR szFileName
)
70 APMFILEHEADER APMHeader
;
77 if( (fh
= _lopen( szFileName
, OF_READ
) ) == HFILE_ERROR
) return 0;
79 if (!_lread(fh
, (LPSTR
)&APMHeader
, sizeof(APMFILEHEADER
))) return 0;
80 _llseek(fh
, sizeof(APMFILEHEADER
), 0);
82 p
= (WORD
*) &APMHeader
;
86 if (checksum
!= APMHeader
.checksum
) {
88 sprintf(msg
, "Computed checksum %04x != stored checksum %04x\n",
89 checksum
, APMHeader
.checksum
);
90 MessageBox(hwnd
, msg
, "Checksum failed", MB_OK
);
94 if (!_lread(fh
, (LPSTR
)&mfHeader
, sizeof(METAHEADER
))) return 0;
96 if (!(lpData
= GlobalAlloc(GPTR
, (mfHeader
.mtSize
* 2L)))) return 0;
98 _llseek(fh
, sizeof(APMFILEHEADER
), 0);
99 if (!_lread(fh
, lpData
, (UINT
)(mfHeader
.mtSize
* 2L)))
101 GlobalFree((HGLOBAL
)lpData
);
107 if (!(hmf
= SetMetaFileBitsEx(mfHeader
.mtSize
*2, lpData
)))
111 width
= APMHeader
.bbox
.Right
- APMHeader
.bbox
.Left
;
112 height
= APMHeader
.bbox
.Bottom
- APMHeader
.bbox
.Top
;
114 /* printf("Ok! width %d height %d inch %d\n", width, height, APMHeader.inch); */
116 width
= width
* GetDeviceCaps(hdc
, LOGPIXELSX
)/APMHeader
.inch
;
117 height
= height
* GetDeviceCaps(hdc
,LOGPIXELSY
)/APMHeader
.inch
;
118 ReleaseDC(hwnd
, hdc
);
126 LRESULT CALLBACK
WndProc(HWND hwnd
,
136 BeginPaint(hwnd
, &ps
);
137 SetMapMode(ps
.hdc
, MM_ANISOTROPIC
);
138 /* Set the window extent to a sane value in case the metafile doesn't */
139 SetWindowExtEx(ps
.hdc
, width
, height
, NULL
);
140 SetViewportExtEx(ps
.hdc
, width
, height
, NULL
);
141 SetViewportOrgEx(ps
.hdc
, deltax
, deltay
, NULL
);
142 if(hmf
) PlayMetaFile(ps
.hdc
, hmf
);
147 case WM_COMMAND
: /* message: command from application menu */
148 switch (GET_WM_COMMAND_ID(wparam
,lparam
))
152 char filename
[MAX_PATH
];
153 if (FileOpen(hwnd
, filename
, sizeof(filename
))) {
154 isAldus
= FileIsPlaceable(filename
);
156 hmf
= GetPlaceableMetaFile(hwnd
, filename
);
159 hmf
= GetMetaFile(filename
);
160 GetClientRect(hwnd
, &r
);
161 width
= r
.right
- r
.left
;
162 height
= r
.bottom
- r
.top
;
164 InvalidateRect( hwnd
, NULL
, TRUE
);
169 case IDM_SET_EXT_TO_WIN
:
172 GetClientRect(hwnd
, &r
);
173 width
= r
.right
- r
.left
;
174 height
= r
.bottom
- r
.top
;
176 InvalidateRect( hwnd
, NULL
, TRUE
);
183 InvalidateRect( hwnd
, NULL
, TRUE
);
187 InvalidateRect( hwnd
, NULL
, TRUE
);
191 InvalidateRect( hwnd
, NULL
, TRUE
);
195 InvalidateRect( hwnd
, NULL
, TRUE
);
203 return DefWindowProc(hwnd
, uMessage
, wparam
, lparam
);
207 case WM_DESTROY
: /* message: window being destroyed */
211 default: /* Passes it on if unprocessed */
212 return DefWindowProc(hwnd
, uMessage
, wparam
, lparam
);