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, &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, &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)))
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);