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https://github.com/reactos/wine.git
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216 lines
5.3 KiB
C
216 lines
5.3 KiB
C
/*
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* Copyright 1998 Douglas Ridgway
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include <windows.h>
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#include <windowsx.h>
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#include "resource.h"
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#include "globals.h"
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#include <stdio.h>
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HMETAFILE hmf;
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int deltax = 0, deltay = 0;
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int width = 0, height = 0;
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BOOL isAldus;
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static BOOL FileOpen(HWND hWnd, char *fn, int fnsz)
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{
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OPENFILENAME ofn = { sizeof(OPENFILENAME),
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0, 0, NULL, NULL, 0, 0, NULL,
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fnsz, NULL, 0, NULL, NULL,
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OFN_SHOWHELP, 0, 0, NULL, 0, NULL };
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ofn.lpstrFilter = "Metafiles\0*.wmf\0";
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ofn.hwndOwner = hWnd;
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ofn.lpstrFile = fn;
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if( fnsz < 1 )
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return FALSE;
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*fn = 0;
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return GetOpenFileName(&ofn);
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}
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static BOOL FileIsPlaceable( LPCSTR szFileName )
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{
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HFILE hInFile;
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APMFILEHEADER apmh;
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if( (hInFile = _lopen( szFileName, OF_READ ) ) == HFILE_ERROR )
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return FALSE;
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if( _lread( hInFile, &apmh, sizeof(APMFILEHEADER) )
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!= sizeof(APMFILEHEADER) )
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{
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_lclose( hInFile );
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return FALSE;
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}
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_lclose( hInFile );
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/* Is it placeable? */
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return (apmh.key == APMHEADER_KEY);
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}
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static HMETAFILE GetPlaceableMetaFile( HWND hwnd, LPCSTR szFileName )
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{
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LPBYTE lpData;
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METAHEADER mfHeader;
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APMFILEHEADER APMHeader;
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HFILE fh;
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HMETAFILE hmf;
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WORD checksum, *p;
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HDC hdc;
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int i;
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if( (fh = _lopen( szFileName, OF_READ ) ) == HFILE_ERROR ) return 0;
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_llseek(fh, 0, 0);
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if (!_lread(fh, &APMHeader, sizeof(APMFILEHEADER))) return 0;
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_llseek(fh, sizeof(APMFILEHEADER), 0);
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checksum = 0;
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p = (WORD *) &APMHeader;
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for(i=0; i<10; i++)
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checksum ^= *p++;
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if (checksum != APMHeader.checksum) {
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char msg[128];
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sprintf(msg, "Computed checksum %04x != stored checksum %04x\n",
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checksum, APMHeader.checksum);
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MessageBox(hwnd, msg, "Checksum failed", MB_OK);
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return 0;
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}
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if (!_lread(fh, &mfHeader, sizeof(METAHEADER))) return 0;
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if (!(lpData = GlobalAlloc(GPTR, (mfHeader.mtSize * 2L)))) return 0;
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_llseek(fh, sizeof(APMFILEHEADER), 0);
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if (!_lread(fh, lpData, (UINT)(mfHeader.mtSize * 2L)))
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{
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GlobalFree(lpData);
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_lclose(fh);
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return 0;
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}
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_lclose(fh);
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if (!(hmf = SetMetaFileBitsEx(mfHeader.mtSize*2, lpData)))
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return 0;
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width = APMHeader.bbox.Right - APMHeader.bbox.Left;
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height = APMHeader.bbox.Bottom - APMHeader.bbox.Top;
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/* printf("Ok! width %d height %d inch %d\n", width, height, APMHeader.inch); */
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hdc = GetDC(hwnd);
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width = width * GetDeviceCaps(hdc, LOGPIXELSX)/APMHeader.inch;
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height = height * GetDeviceCaps(hdc,LOGPIXELSY)/APMHeader.inch;
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ReleaseDC(hwnd, hdc);
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deltax = 0;
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deltay = 0 ;
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return hmf;
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}
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LRESULT CALLBACK WndProc(HWND hwnd,
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UINT uMessage,
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WPARAM wparam,
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LPARAM lparam)
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{
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switch (uMessage)
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{
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case WM_PAINT:
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{
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PAINTSTRUCT ps;
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BeginPaint(hwnd, &ps);
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SetMapMode(ps.hdc, MM_ANISOTROPIC);
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/* Set the window extent to a sane value in case the metafile doesn't */
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SetWindowExtEx(ps.hdc, width, height, NULL);
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SetViewportExtEx(ps.hdc, width, height, NULL);
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SetViewportOrgEx(ps.hdc, deltax, deltay, NULL);
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if(hmf) PlayMetaFile(ps.hdc, hmf);
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EndPaint(hwnd, &ps);
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}
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break;
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case WM_COMMAND: /* message: command from application menu */
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switch (GET_WM_COMMAND_ID(wparam,lparam))
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{
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case IDM_OPEN:
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{
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char filename[MAX_PATH];
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if (FileOpen(hwnd, filename, sizeof(filename))) {
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isAldus = FileIsPlaceable(filename);
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if (isAldus) {
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hmf = GetPlaceableMetaFile(hwnd, filename);
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} else {
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RECT r;
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hmf = GetMetaFile(filename);
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GetClientRect(hwnd, &r);
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width = r.right - r.left;
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height = r.bottom - r.top;
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}
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InvalidateRect( hwnd, NULL, TRUE );
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}
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}
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break;
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case IDM_SET_EXT_TO_WIN:
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{
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RECT r;
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GetClientRect(hwnd, &r);
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width = r.right - r.left;
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height = r.bottom - r.top;
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deltax = deltay = 0;
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InvalidateRect( hwnd, NULL, TRUE );
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}
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break;
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case IDM_LEFT:
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deltax += 100;
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InvalidateRect( hwnd, NULL, TRUE );
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break;
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case IDM_RIGHT:
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deltax -= 100;
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InvalidateRect( hwnd, NULL, TRUE );
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break;
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case IDM_UP:
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deltay += 100;
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InvalidateRect( hwnd, NULL, TRUE );
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break;
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case IDM_DOWN:
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deltay -= 100;
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InvalidateRect( hwnd, NULL, TRUE );
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break;
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case IDM_EXIT:
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DestroyWindow(hwnd);
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break;
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default:
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return DefWindowProc(hwnd, uMessage, wparam, lparam);
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}
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break;
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case WM_DESTROY: /* message: window being destroyed */
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PostQuitMessage(0);
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break;
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default: /* Passes it on if unprocessed */
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return DefWindowProc(hwnd, uMessage, wparam, lparam);
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}
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return 0;
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}
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