X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e306597309a120f2ae91385c731a5cb2722c52aa..8c981ec64d9a86e9bad5f4ef16f496513bce31f6:/src/mac/carbon/metafile.cpp?ds=sidebyside diff --git a/src/mac/carbon/metafile.cpp b/src/mac/carbon/metafile.cpp index ddbfb8402f..f25d2d061d 100644 --- a/src/mac/carbon/metafile.cpp +++ b/src/mac/carbon/metafile.cpp @@ -1,239 +1,284 @@ ///////////////////////////////////////////////////////////////////////////// -// Name: metafile.cpp +// Name: src/mac/carbon/metafile.cpp // Purpose: wxMetaFile, wxMetaFileDC etc. These classes are optional. -// Author: AUTHOR +// Author: Stefan Csomor // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ -// Copyright: (c) AUTHOR -// Licence: wxWindows licence +// Copyright: (c) Stefan Csomor +// Licence: wxWindows licence ///////////////////////////////////////////////////////////////////////////// +// +// Currently, the only purpose for making a metafile +// is to put it on the clipboard. -#ifdef __GNUG__ -#pragma implementation "metafile.h" + +#include "wx/wxprec.h" + +#if wxUSE_METAFILE + +#ifndef WX_PRECOMP + #include "wx/utils.h" + #include "wx/app.h" #endif -#include "wx/object.h" -#include "wx/string.h" -#include "wx/dc.h" -#include "wx/stubs/metafile.h" +#include "wx/metafile.h" #include "wx/clipbrd.h" +#include "wx/mac/private.h" + +#include +#include + +IMPLEMENT_DYNAMIC_CLASS(wxMetafile, wxObject) +IMPLEMENT_ABSTRACT_CLASS(wxMetafileDC, wxDC) + +class wxMetafileRefData: public wxGDIRefData +{ + friend class WXDLLEXPORT wxMetafile; + +public: + wxMetafileRefData(); + virtual ~wxMetafileRefData(); + +private: + PicHandle m_metafile; + +#if wxMAC_USE_CORE_GRAPHICS + QDPictRef m_qdPictRef; +#endif +}; + extern bool wxClipboardIsOpen; -#if !USE_SHARED_LIBRARY -IMPLEMENT_DYNAMIC_CLASS(wxMetaFile, wxObject) -IMPLEMENT_ABSTRACT_CLASS(wxMetaFileDC, wxDC) + +wxMetafileRefData::wxMetafileRefData() +{ + m_metafile = NULL; + +#if wxMAC_USE_CORE_GRAPHICS + m_qdPictRef = NULL; +#endif +} + +wxMetafileRefData::~wxMetafileRefData() +{ + if (m_metafile) + { + KillPicture( (PicHandle)m_metafile ); + m_metafile = NULL; + +#if wxMAC_USE_CORE_GRAPHICS + QDPictRelease( m_qdPictRef ); + m_qdPictRef = NULL; #endif + } +} wxMetaFile::wxMetaFile(const wxString& file) { - // TODO + m_refData = new wxMetafileRefData; + + M_METAFILEDATA->m_metafile = NULL; + wxASSERT_MSG( file.empty(), wxT("no file-based metafile support yet") ); + +#if 0 + if (!file.IsNull() && (file.Cmp("") == 0)) + M_METAFILEDATA->m_metafile = (WXHANDLE) GetMetaFile( file ); +#endif } wxMetaFile::~wxMetaFile() { - // TODO +} + +bool wxMetaFile::Ok() const +{ + return (M_METAFILEDATA && (M_METAFILEDATA->m_metafile != NULL)); +} + +WXHMETAFILE wxMetaFile::GetHMETAFILE() const +{ + return (WXHMETAFILE) M_METAFILEDATA->m_metafile; } bool wxMetaFile::SetClipboard(int width, int height) { - bool alreadyOpen=wxClipboardOpen(); + bool success = true; + +#if wxUSE_DRAG_AND_DROP + // TODO: to finish this port, we need the data object first + if (m_refData == NULL) + return false; + + bool alreadyOpen = wxTheClipboard->IsOpened(); if (!alreadyOpen) { - wxOpenClipboard(); - if (!wxEmptyClipboard()) return FALSE; + wxTheClipboard->Open(); + wxTheClipboard->Clear(); } - bool success = wxSetClipboardData(wxDF_METAFILE,this, width,height); - if (!alreadyOpen) wxCloseClipboard(); - return (bool) success; + + wxDataObject *data = new wxMetafileDataObject( *this ); + success = wxTheClipboard->SetData( data ); + if (!alreadyOpen) + wxTheClipboard->Close(); +#endif + + return success; } -bool wxMetaFile::Play(wxDC *dc) +void wxMetafile::SetHMETAFILE(WXHMETAFILE mf) { - // TODO - return FALSE; + UnRef(); + + m_refData = new wxMetafileRefData; + + M_METAFILEDATA->m_metafile = (PicHandle)mf; + +#if wxMAC_USE_CORE_GRAPHICS + size_t sz = GetHandleSize( (Handle) M_METAFILEDATA->m_metafile ); + wxMemoryBuffer* membuf = new wxMemoryBuffer( sz ); + void *data = membuf->GetWriteBuf( sz ); + + memcpy( data, *M_METAFILEDATA->m_metafile, sz ); + membuf->UngetWriteBuf( sz ); + CGDataProviderRef provider = CGDataProviderCreateWithData( + membuf, data, sz, wxMacMemoryBufferReleaseProc ); + M_METAFILEDATA->m_qdPictRef = NULL; + + if (provider != NULL) + { + M_METAFILEDATA->m_qdPictRef = QDPictCreateWithProvider( provider ); + CGDataProviderRelease( provider ); + } +#endif } -/* - * Metafile device context - * - */ +bool wxMetaFile::Play(wxDC *dc) +{ + if (!m_refData) + return false; + + if (!dc->Ok()) + return false; + + { +#if wxMAC_USE_CORE_GRAPHICS + QDPictRef cgPictRef = M_METAFILEDATA->m_qdPictRef; + CGContextRef cg = ((wxMacCGContext*)(dc->GetGraphicContext()))->GetNativeContext(); + CGRect bounds = QDPictGetBounds( cgPictRef ); + + CGContextSaveGState( cg ); + CGContextTranslateCTM( cg, 0, bounds.size.width ); + CGContextScaleCTM( cg, 1, -1 ); + QDPictDrawToCGContext( cg, bounds, cgPictRef ); + CGContextRestoreGState( cg ); +#else + PicHandle pict = (PicHandle)GetHMETAFILE(); + wxMacPortSetter helper( dc ); + Rect picFrame; + DrawPicture( pict, wxMacGetPictureBounds( pict, &picFrame ) ); +#endif + } + + return true; +} -// Original constructor that does not takes origin and extent. If you use this, -// *DO* give origin/extent arguments to wxMakeMetaFilePlaceable. -wxMetaFileDC::wxMetaFileDC(const wxString& file) +wxSize wxMetaFile::GetSize() const { - // TODO + wxSize dataSize = wxDefaultSize; + + if (Ok()) + { + PicHandle pict = (PicHandle)GetHMETAFILE(); + Rect r; + wxMacGetPictureBounds( pict, &r ); + dataSize.x = r.right - r.left; + dataSize.y = r.bottom - r.top; + } + + return dataSize; } +// Metafile device context + // New constructor that takes origin and extent. If you use this, don't // give origin/extent arguments to wxMakeMetaFilePlaceable. -wxMetaFileDC::wxMetaFileDC(const wxString& file, int xext, int yext, int xorg, int yorg) + +wxMetaFileDC::wxMetaFileDC( + const wxString& filename, + int width, int height, + const wxString& WXUNUSED(description) ) { - // TODO + wxASSERT_MSG( width <= 0 || height <= 0, wxT("no arbitration of metafile size supported") ); + wxASSERT_MSG( filename.empty(), wxT("no file based metafile support yet")); + + m_metaFile = new wxMetaFile( filename ); + +#if wxMAC_USE_CORE_GRAPHICS +#else + Rect r = { 0, 0, height, width }; + + RectRgn( (RgnHandle)m_macBoundaryClipRgn, &r ); + CopyRgn( (RgnHandle)m_macBoundaryClipRgn, (RgnHandle)m_macCurrentClipRgn ); + + m_metaFile->SetHMETAFILE( (WXHMETAFILE)OpenPicture( &r ) ); + ::GetPort( (GrafPtr*)&m_macPort ); + + m_ok = true; +#endif + + SetMapMode( wxMM_TEXT ); } wxMetaFileDC::~wxMetaFileDC() { } -void wxMetaFileDC::GetTextExtent(const wxString& string, float *x, float *y, - float *descent, float *externalLeading, wxFont *theFont, bool use16bit) +void wxMetaFileDC::DoGetSize(int *width, int *height) const { - // TODO + wxCHECK_RET( m_metaFile, wxT("GetSize() doesn't work without a metafile") ); + + wxSize sz = m_metaFile->GetSize(); + if (width) + (*width) = sz.x; + if (height) + (*height) = sz.y; } wxMetaFile *wxMetaFileDC::Close() { - // TODO - return NULL; + ClosePicture(); + + return m_metaFile; } -void wxMetaFileDC::SetMapMode(int mode) +#if wxUSE_DATAOBJ +size_t wxMetafileDataObject::GetDataSize() const { - // TODO + return GetHandleSize( (Handle) (*((wxMetafile*)&m_metafile)).GetHMETAFILE() ); } -#if 0 - -#ifdef __WIN32__ -struct RECT32 +bool wxMetafileDataObject::GetDataHere(void *buf) const { - short left; - short top; - short right; - short bottom; -}; + Handle pictH = (Handle)(*((wxMetafile*)&m_metafile)).GetHMETAFILE(); + bool result = (pictH != NULL); -struct mfPLACEABLEHEADER { - DWORD key; - short hmf; - RECT32 bbox; - WORD inch; - DWORD reserved; - WORD checksum; -}; -#else -struct mfPLACEABLEHEADER { - DWORD key; - HANDLE hmf; - RECT bbox; - WORD inch; - DWORD reserved; - WORD checksum; -}; -#endif + if (result) + memcpy( buf, *pictH, GetHandleSize( pictH ) ); -/* - * Pass filename of existing non-placeable metafile, and bounding box. - * Adds a placeable metafile header, sets the mapping mode to anisotropic, - * and sets the window origin and extent to mimic the wxMM_TEXT mapping mode. - * - */ - -bool wxMakeMetaFilePlaceable(const wxString& filename, float scale) -{ - 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) -{ - // I'm not sure if this is the correct way of suggesting a scale - // to the client application, but it's the only way I can find. - int unitsPerInch = (int)(576/scale); - - mfPLACEABLEHEADER header; - header.key = 0x9AC6CDD7L; - header.hmf = 0; - header.bbox.left = (int)(x1); - header.bbox.top = (int)(y1); - header.bbox.right = (int)(x2); - header.bbox.bottom = (int)(y2); - header.inch = unitsPerInch; - header.reserved = 0; - - // Calculate checksum - WORD *p; - mfPLACEABLEHEADER *pMFHead = &header; - for (p =(WORD *)pMFHead,pMFHead -> checksum = 0; - p < (WORD *)&pMFHead ->checksum; ++p) - pMFHead ->checksum ^= *p; - - FILE *fd = fopen((char *)(const char *)filename, "rb"); - if (!fd) return FALSE; - - char tempFileBuf[256]; - wxGetTempFileName("mf", tempFileBuf); - FILE *fHandle = fopen(tempFileBuf, "wb"); - if (!fHandle) - return FALSE; - fwrite((void *)&header, sizeof(unsigned char), sizeof(mfPLACEABLEHEADER), fHandle); - - // Calculate origin and extent - int originX = x1; - int originY = y1; - int extentX = x2 - x1; - int extentY = (y2 - y1); - - // Read metafile header and write - METAHEADER metaHeader; - fread((void *)&metaHeader, sizeof(unsigned char), sizeof(metaHeader), fd); - - if (useOriginAndExtent) - metaHeader.mtSize += 15; - else - metaHeader.mtSize += 5; - - fwrite((void *)&metaHeader, sizeof(unsigned char), sizeof(metaHeader), fHandle); - - // Write SetMapMode, SetWindowOrigin and SetWindowExt records - char modeBuffer[8]; - char originBuffer[10]; - char extentBuffer[10]; - METARECORD *modeRecord = (METARECORD *)&modeBuffer; - - METARECORD *originRecord = (METARECORD *)&originBuffer; - METARECORD *extentRecord = (METARECORD *)&extentBuffer; - - modeRecord->rdSize = 4; - modeRecord->rdFunction = META_SETMAPMODE; - modeRecord->rdParm[0] = wxMM_ANISOTROPIC; - - originRecord->rdSize = 5; - originRecord->rdFunction = META_SETWINDOWORG; - originRecord->rdParm[0] = originY; - originRecord->rdParm[1] = originX; - - extentRecord->rdSize = 5; - extentRecord->rdFunction = META_SETWINDOWEXT; - extentRecord->rdParm[0] = extentY; - extentRecord->rdParm[1] = extentX; - - fwrite((void *)modeBuffer, sizeof(char), 8, fHandle); - - if (useOriginAndExtent) - { - fwrite((void *)originBuffer, sizeof(char), 10, fHandle); - fwrite((void *)extentBuffer, sizeof(char), 10, fHandle); - } - - int ch = -2; - while (ch != EOF) - { - ch = getc(fd); - if (ch != EOF) - { - putc(ch, fHandle); - } - } - fclose(fHandle); - fclose(fd); - wxRemoveFile(filename); - wxCopyFile(tempFileBuf, filename); - wxRemoveFile(tempFileBuf); - return TRUE; + return result; } +bool wxMetafileDataObject::SetData(size_t len, const void *buf) +{ + Handle handle = NewHandle( len ); + SetHandleSize( handle, len ); + memcpy( *handle, buf, len ); + m_metafile.SetHMETAFILE( (WXHMETAFILE) handle ); + + return true; +} #endif +#endif