diff options
Diffstat (limited to 'iup/src/win/iupwin_clipboard.c')
| -rwxr-xr-x | iup/src/win/iupwin_clipboard.c | 160 |
1 files changed, 160 insertions, 0 deletions
diff --git a/iup/src/win/iupwin_clipboard.c b/iup/src/win/iupwin_clipboard.c index 1e0fab4..debad0d 100755 --- a/iup/src/win/iupwin_clipboard.c +++ b/iup/src/win/iupwin_clipboard.c @@ -20,6 +20,136 @@ #include "iupwin_drv.h" +typedef struct _APMFILEHEADER +{ + WORD key1, + key2, + hmf, + bleft, btop, bright, bbottom, + inch, + reserved1, + reserved2, + checksum; +} APMFILEHEADER; + +static WORD winAPMChecksum(APMFILEHEADER* papm) +{ + WORD* pw = (WORD*)papm; + WORD wSum = 0; + int i; + + /* The checksum in a Placeable Metafile header is calculated */ + /* by XOR-ing the first 10 words of the header. */ + + for (i = 0; i < 10; i++) + wSum ^= *pw++; + + return wSum; +} + +static void winWritePlacebleFile(HANDLE hFile, unsigned char* buffer, DWORD dwSize, LONG mm, LONG xExt, LONG yExt) +{ + DWORD nBytesWrite; + APMFILEHEADER APMHeader; + int w = xExt, h = yExt; + + if (mm == MM_ANISOTROPIC || mm == MM_ISOTROPIC) + { + int res = 30; + w = xExt / res; + h = yExt / res; + } + + APMHeader.key1 = 0xCDD7; + APMHeader.key2 = 0x9AC6; + APMHeader.hmf = 0; + APMHeader.bleft = 0; + APMHeader.btop = 0; + APMHeader.bright = (short)w; + APMHeader.bbottom = (short)h; + APMHeader.inch = 100; /* this number works fine in Word, etc.. */ + APMHeader.reserved1 = 0; + APMHeader.reserved2 = 0; + APMHeader.checksum = winAPMChecksum(&APMHeader); + + WriteFile(hFile, (LPSTR)&APMHeader, sizeof(APMFILEHEADER), &nBytesWrite, NULL); + WriteFile(hFile, buffer, dwSize, &nBytesWrite, NULL); +} + +static int winClipboardSetSaveEMFAttrib(Ihandle *ih, const char *value) +{ + HENHMETAFILE Handle; + DWORD dwSize, nBytesWrite; + unsigned char* buffer; + HANDLE hFile; + (void)ih; + + OpenClipboard(NULL); + Handle = (HENHMETAFILE)GetClipboardData(CF_ENHMETAFILE); + if (Handle == NULL) + { + CloseClipboard(); + return 0; + } + + dwSize = GetEnhMetaFileBits(Handle, 0, NULL); + + buffer = (unsigned char*)malloc(dwSize); + + GetEnhMetaFileBits(Handle, dwSize, buffer); + + hFile = CreateFile(value, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL); + if (hFile) + { + WriteFile(hFile, buffer, dwSize, &nBytesWrite, NULL); + CloseHandle(hFile); + } + + free(buffer); + + CloseClipboard(); + return 0; +} + +static int winClipboardSetSaveWMFAttrib(Ihandle *ih, const char *value) +{ + DWORD dwSize; + unsigned char* buffer; + METAFILEPICT* lpMFP; + HANDLE Handle; + HANDLE hFile; + (void)ih; + + OpenClipboard(NULL); + Handle = (HENHMETAFILE)GetClipboardData(CF_METAFILEPICT); + if (Handle == NULL) + { + CloseClipboard(); + return 0; + } + + lpMFP = (METAFILEPICT*) GlobalLock(Handle); + + dwSize = GetMetaFileBitsEx(lpMFP->hMF, 0, NULL); + + buffer = (unsigned char*)malloc(dwSize); + + GetMetaFileBitsEx(lpMFP->hMF, dwSize, buffer); + + hFile = CreateFile(value, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, 0, NULL); + if (hFile) + { + winWritePlacebleFile(hFile, buffer, dwSize, lpMFP->mm, lpMFP->xExt, lpMFP->yExt); + CloseHandle(hFile); + } + + GlobalUnlock(Handle); + free(buffer); + + CloseClipboard(); + return 0; +} + static int winClipboardSetTextAttrib(Ihandle *ih, const char *value) { HANDLE hHandle; @@ -162,6 +292,32 @@ static char* winClipboardGetImageAvailableAttrib(Ihandle *ih) return "NO"; } +static char* winClipboardGetWMFAvailableAttrib(Ihandle *ih) +{ + int check; + (void)ih; + OpenClipboard(NULL); + check = IsClipboardFormatAvailable(CF_METAFILEPICT); + CloseClipboard(); + if (check) + return "YES"; + else + return "NO"; +} + +static char* winClipboardGetEMFAvailableAttrib(Ihandle *ih) +{ + int check; + (void)ih; + OpenClipboard(NULL); + check = IsClipboardFormatAvailable(CF_ENHMETAFILE); + CloseClipboard(); + if (check) + return "YES"; + else + return "NO"; +} + /******************************************************************************/ Ihandle* IupClipboard(void) @@ -185,6 +341,10 @@ Iclass* iupClipboardGetClass(void) iupClassRegisterAttribute(ic, "IMAGE", NULL, winClipboardSetImageAttrib, NULL, NULL, IUPAF_WRITEONLY|IUPAF_NOT_MAPPED|IUPAF_NO_INHERIT); iupClassRegisterAttribute(ic, "TEXTAVAILABLE", winClipboardGetTextAvailableAttrib, NULL, NULL, NULL, IUPAF_READONLY|IUPAF_NOT_MAPPED|IUPAF_NO_INHERIT); iupClassRegisterAttribute(ic, "IMAGEAVAILABLE", winClipboardGetImageAvailableAttrib, NULL, NULL, NULL, IUPAF_READONLY|IUPAF_NOT_MAPPED|IUPAF_NO_INHERIT); + iupClassRegisterAttribute(ic, "WMFAVAILABLE", winClipboardGetWMFAvailableAttrib, NULL, NULL, NULL, IUPAF_READONLY|IUPAF_NOT_MAPPED|IUPAF_NO_INHERIT); + iupClassRegisterAttribute(ic, "EMFAVAILABLE", winClipboardGetEMFAvailableAttrib, NULL, NULL, NULL, IUPAF_READONLY|IUPAF_NOT_MAPPED|IUPAF_NO_INHERIT); + iupClassRegisterAttribute(ic, "SAVEEMF", NULL, winClipboardSetSaveEMFAttrib, NULL, NULL, IUPAF_WRITEONLY|IUPAF_NOT_MAPPED|IUPAF_NO_INHERIT); + iupClassRegisterAttribute(ic, "SAVEWMF", NULL, winClipboardSetSaveWMFAttrib, NULL, NULL, IUPAF_WRITEONLY|IUPAF_NOT_MAPPED|IUPAF_NO_INHERIT); return ic; } |