X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/265b0c070b7531a31d79e79fd44142f5a807b23d..4a528443651296fc50db585e780173cbe5e42db3:/src/msw/metafile.cpp diff --git a/src/msw/metafile.cpp b/src/msw/metafile.cpp index a49e59a0ba..dfe59cc8f5 100644 --- a/src/msw/metafile.cpp +++ b/src/msw/metafile.cpp @@ -5,8 +5,8 @@ // Modified by: VZ 07.01.00: implemented wxMetaFileDataObject // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) Julian Smart and Markus Holzem -// Licence: wxWindows license +// Copyright: (c) Julian Smart +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// // ============================================================================ @@ -17,10 +17,6 @@ // headers // ---------------------------------------------------------------------------- -#ifdef __GNUG__ - #pragma implementation "metafile.h" -#endif - // For compilers that support precompilation, includes "wx.h". #include "wx/wxprec.h" @@ -32,14 +28,15 @@ #include "wx/setup.h" #endif -#if wxUSE_METAFILE - #ifndef WX_PRECOMP #include "wx/utils.h" #include "wx/app.h" #endif #include "wx/metafile.h" + +#if wxUSE_METAFILE && !defined(wxMETAFILE_IS_ENH) + #include "wx/clipbrd.h" #include "wx/msw/private.h" @@ -93,7 +90,7 @@ wxMetafile::wxMetafile(const wxString& file) M_METAFILEDATA->m_windowsMappingMode = wxMM_ANISOTROPIC; M_METAFILEDATA->m_metafile = 0; - if (!file.IsNull() && (file.Cmp(wxT("")) == 0)) + if (!file.empty()) M_METAFILEDATA->m_metafile = (WXHANDLE) GetMetaFile(file); } @@ -103,36 +100,46 @@ wxMetafile::~wxMetafile() bool wxMetafile::SetClipboard(int width, int height) { +#if !wxUSE_CLIPBOARD + return false; +#else if (!m_refData) - return FALSE; + return false; bool alreadyOpen = wxClipboardOpen(); if (!alreadyOpen) { wxOpenClipboard(); if (!wxEmptyClipboard()) - return FALSE; + return false; } bool success = wxSetClipboardData(wxDF_METAFILE, this, width,height); if (!alreadyOpen) wxCloseClipboard(); return success; +#endif } bool wxMetafile::Play(wxDC *dc) { if (!m_refData) - return FALSE; + return false; dc->BeginDrawing(); if (dc->GetHDC() && M_METAFILEDATA->m_metafile) - PlayMetaFile(GetHdcOf(*dc), (HMETAFILE) M_METAFILEDATA->m_metafile); + { + if ( !::PlayMetaFile(GetHdcOf(*dc), (HMETAFILE) + M_METAFILEDATA->m_metafile) ) + { + wxLogLastError(_T("PlayMetaFile")); + } + } dc->EndDrawing(); - return TRUE; + return true; } void wxMetafile::SetHMETAFILE(WXHANDLE mf) @@ -169,7 +176,7 @@ wxMetafileDC::wxMetafileDC(const wxString& file) if (!file.IsNull() && wxFileExists(file)) wxRemoveFile(file); - if (!file.IsNull() && (file != wxT(""))) + if (!file.IsNull() && (file != wxEmptyString)) m_hDC = (WXHDC) CreateMetaFile(file); else m_hDC = (WXHDC) CreateMetaFile(NULL); @@ -190,11 +197,11 @@ wxMetafileDC::wxMetafileDC(const wxString& file, int xext, int yext, int xorg, i m_minY = 10000; m_maxX = -10000; m_maxY = -10000; - if ( !!file && wxFileExists(file)) + if ( !file.IsEmpty() && wxFileExists(file)) wxRemoveFile(file); m_hDC = (WXHDC) CreateMetaFile(file); - m_ok = TRUE; + m_ok = true; ::SetWindowOrgEx((HDC) m_hDC,xorg,yorg, NULL); ::SetWindowExtEx((HDC) m_hDC,xext,yext, NULL); @@ -211,7 +218,7 @@ wxMetafileDC::~wxMetafileDC() } void wxMetafileDC::GetTextExtent(const wxString& string, long *x, long *y, - long *descent, long *externalLeading, wxFont *theFont, bool use16bit) const + long *descent, long *externalLeading, wxFont *theFont, bool WXUNUSED(use16bit)) const { wxFont *fontToUse = theFont; if (!fontToUse) @@ -221,7 +228,7 @@ void wxMetafileDC::GetTextExtent(const wxString& string, long *x, long *y, SIZE sizeRect; TEXTMETRIC tm; - GetTextExtentPoint(dc, WXSTRINGCAST string, wxStrlen(WXSTRINGCAST string), &sizeRect); + ::GetTextExtentPoint32(dc, WXSTRINGCAST string, wxStrlen(WXSTRINGCAST string), &sizeRect); GetTextMetrics(dc, &tm); ReleaseDC(NULL, dc); @@ -236,6 +243,16 @@ void wxMetafileDC::GetTextExtent(const wxString& string, long *x, long *y, *externalLeading = tm.tmExternalLeading; } +void wxMetafileDC::DoGetSize(int *width, int *height) const +{ + wxCHECK_RET( m_refData, _T("invalid wxMetafileDC") ); + + if ( width ) + *width = M_METAFILEDATA->m_width; + if ( height ) + *height = M_METAFILEDATA->m_height; +} + wxMetafile *wxMetafileDC::Close() { SelectOldObjects(m_hDC); @@ -297,8 +314,6 @@ void wxMetafileDC::SetMapMode(int mode) break; } } - m_windowExtX = 100; - m_windowExtY = 100; } // ---------------------------------------------------------------------------- @@ -342,7 +357,7 @@ struct mfPLACEABLEHEADER { bool wxMakeMetafilePlaceable(const wxString& filename, float scale) { - return wxMakeMetafilePlaceable(filename, 0, 0, 0, 0, scale, FALSE); + return wxMakeMetafilePlaceable(filename, 0, 0, 0, 0, scale, false); } bool wxMakeMetafilePlaceable(const wxString& filename, int x1, int y1, int x2, int y2, float scale, bool useOriginAndExtent) @@ -368,14 +383,14 @@ bool wxMakeMetafilePlaceable(const wxString& filename, int x1, int y1, int x2, i p < (WORD *)&pMFHead ->checksum; ++p) pMFHead ->checksum ^= *p; - FILE *fd = fopen(filename.fn_str(), "rb"); - if (!fd) return FALSE; + FILE *fd = wxFopen(filename.fn_str(), _T("rb")); + if (!fd) return false; wxChar tempFileBuf[256]; wxGetTempFileName(wxT("mf"), tempFileBuf); - FILE *fHandle = fopen(wxConvFile.cWX2MB(tempFileBuf), "wb"); + FILE *fHandle = wxFopen(wxFNCONV(tempFileBuf), _T("wb")); if (!fHandle) - return FALSE; + return false; fwrite((void *)&header, sizeof(unsigned char), sizeof(mfPLACEABLEHEADER), fHandle); // Calculate origin and extent @@ -440,9 +455,12 @@ bool wxMakeMetafilePlaceable(const wxString& filename, int x1, int y1, int x2, i wxRemoveFile(filename); wxCopyFile(tempFileBuf, filename); wxRemoveFile(tempFileBuf); - return TRUE; + return true; } + +#if wxUSE_DRAG_AND_DROP + // ---------------------------------------------------------------------------- // wxMetafileDataObject // ---------------------------------------------------------------------------- @@ -455,15 +473,22 @@ size_t wxMetafileDataObject::GetDataSize() const bool wxMetafileDataObject::GetDataHere(void *buf) const { METAFILEPICT *mfpict = (METAFILEPICT *)buf; - const wxMetafile mf = GetMetafile(); - mfpict->mm = mf.GetWindowsMappingMode(); + const wxMetafile& mf = GetMetafile(); + + wxCHECK_MSG( mf.GetHMETAFILE(), false, _T("copying invalid metafile") ); + + // doesn't seem to work with any other mapping mode... + mfpict->mm = MM_ANISOTROPIC; //mf.GetWindowsMappingMode(); mfpict->xExt = mf.GetWidth(); mfpict->yExt = mf.GetHeight(); - mfpict->hMF = (HMETAFILE)mf.GetHMETAFILE(); - wxCHECK_MSG( mfpict->hMF, FALSE, _T("copying invalid metafile") ); + // transform the picture size to HIMETRIC units (0.01mm) - as we don't know + // what DC the picture will be rendered to, use the default display one + PixelToHIMETRIC(&mfpict->xExt, &mfpict->yExt); - return TRUE; + mfpict->hMF = CopyMetaFile((HMETAFILE)mf.GetHMETAFILE(), NULL); + + return true; } bool wxMetafileDataObject::SetData(size_t WXUNUSED(len), const void *buf) @@ -472,16 +497,28 @@ bool wxMetafileDataObject::SetData(size_t WXUNUSED(len), const void *buf) wxMetafile mf; mf.SetWindowsMappingMode(mfpict->mm); - mf.SetWidth(mfpict->xExt); - mf.SetHeight(mfpict->yExt); + + LONG w = mfpict->xExt, + h = mfpict->yExt; + if ( mfpict->mm == MM_ANISOTROPIC ) + { + // in this case xExt and yExt contain suggested size in HIMETRIC units + // (0.01 mm) - transform this to something more reasonable (pixels) + HIMETRICToPixel(&w, &h); + } + + mf.SetWidth(w); + mf.SetHeight(h); mf.SetHMETAFILE((WXHANDLE)mfpict->hMF); - wxCHECK_MSG( mfpict->hMF, FALSE, _T("pasting invalid metafile") ); + wxCHECK_MSG( mfpict->hMF, false, _T("pasting invalid metafile") ); SetMetafile(mf); - return TRUE; + return true; } +#endif // wxUSE_DRAG_AND_DROP + #endif // wxUSE_METAFILE