/////////////////////////////////////////////////////////////////////////////
// Name: metafile.cpp
// Purpose: wxMetaFile, wxMetaFileDC etc. These classes are optional.
-// Author: AUTHOR
+// Author: David Webster
// Modified by:
-// Created: 04/01/98
+// Created: 10/10/99
// RCS-ID: $Id$
-// Copyright: (c) AUTHOR
-// Licence: wxWindows licence
+// Copyright: (c) David Webster
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
-#ifdef __GNUG__
-#pragma implementation "metafile.h"
+// For compilers that support precompilation, includes "wx.h".
+#include "wx/wxprec.h"
+
+#ifndef WX_PRECOMP
+#include "wx/setup.h"
#endif
-#include "wx/object.h"
-#include "wx/string.h"
-#include "wx/dc.h"
-#include "wx/stubs/metafile.h"
+#if wxUSE_METAFILE
+
+#ifndef WX_PRECOMP
+#include "wx/utils.h"
+#include "wx/app.h"
+#endif
+
+#include "wx/metafile.h"
#include "wx/clipbrd.h"
+#include "wx/os2/private.h"
+
+#include <stdio.h>
+#include <string.h>
extern bool wxClipboardIsOpen;
-#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxMetaFile, wxObject)
-IMPLEMENT_ABSTRACT_CLASS(wxMetaFileDC, wxDC)
-#endif
+IMPLEMENT_DYNAMIC_CLASS(wxMetafile, wxObject)
+IMPLEMENT_ABSTRACT_CLASS(wxMetafileDC, wxDC)
+
+/*
+ * Metafiles
+ * Currently, the only purpose for making a metafile is to put
+ * it on the clipboard.
+ */
+
+wxMetafileRefData::wxMetafileRefData(void)
+{
+ m_metafile = 0;
+ m_windowsMappingMode = wxMM_ANISOTROPIC;
+}
+
+wxMetafileRefData::~wxMetafileRefData(void)
+{
+ if (m_metafile)
+ {
+// TODO: DeleteMetaFile((HMETAFILE) m_metafile);
+ m_metafile = 0;
+ }
+}
-wxMetaFile::wxMetaFile(const wxString& file)
+wxMetafile::wxMetafile(const wxString& file)
{
- // TODO
+ m_refData = new wxMetafileRefData;
+
+ M_METAFILEDATA->m_windowsMappingMode = wxMM_ANISOTROPIC;
+ M_METAFILEDATA->m_metafile = 0;
+ if (!file.IsNull() && (file.Cmp(wxT("")) == 0))
+ M_METAFILEDATA->m_metafile = (WXHANDLE)0; // TODO: GetMetaFile(file);
}
-wxMetaFile::~wxMetaFile()
+wxMetafile::~wxMetafile(void)
{
- // TODO
}
-bool wxMetaFile::SetClipboard(int width, int height)
+bool wxMetafile::SetClipboard(int width, int height)
{
+#if !wxUSE_CLIPBOARD
+ wxUnusedVar(width);
+ wxUnusedVar(height);
+ return false;
+#else
+ if (!m_refData)
+ return false;
+
bool alreadyOpen=wxClipboardOpen();
if (!alreadyOpen)
{
wxOpenClipboard();
if (!wxEmptyClipboard()) return FALSE;
}
- bool success = wxSetClipboardData(wxDF_METAFILE,this, width,height);
+ bool success = wxSetClipboardData(wxDF_METAFILE, this, width,height);
if (!alreadyOpen) wxCloseClipboard();
return (bool) success;
+#endif
+}
+
+bool wxMetafile::Play(wxDC *dc)
+{
+ if (!m_refData)
+ return FALSE;
+
+ dc->BeginDrawing();
+
+ // if (dc->GetHDC() && M_METAFILEDATA->m_metafile)
+ // PlayMetaFile((HDC) dc->GetHDC(), (HMETAFILE) M_METAFILEDATA->m_metafile);
+
+ dc->EndDrawing();
+
+ return true;
+}
+
+void wxMetafile::SetHMETAFILE(WXHANDLE mf)
+{
+ if (m_refData)
+ m_refData = new wxMetafileRefData;
+
+ M_METAFILEDATA->m_metafile = mf;
}
-bool wxMetaFile::Play(wxDC *dc)
+void wxMetafile::SetWindowsMappingMode(int mm)
{
- // TODO
- return FALSE;
+ if (m_refData)
+ m_refData = new wxMetafileRefData;
+
+ M_METAFILEDATA->m_windowsMappingMode = mm;
}
/*
*/
// 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)
+// *DO* give origin/extent arguments to wxMakeMetafilePlaceable.
+wxMetafileDC::wxMetafileDC(const wxString& file)
{
- // TODO
+ m_metaFile = NULL;
+ m_minX = 10000;
+ m_minY = 10000;
+ m_maxX = -10000;
+ m_maxY = -10000;
+// m_title = NULL;
+
+ if (!file.IsNull() && wxFileExists(file))
+ wxRemoveFile(file);
+
+ // TODO
+/*
+ if (!file.IsNull() && (file != wxT("")))
+ m_hDC = (WXHDC) CreateMetaFile(file);
+ else
+ m_hDC = (WXHDC) CreateMetaFile(NULL);
+*/
+
+ m_ok = (m_hDC != (WXHDC) 0) ;
+
+ // Actual Windows mapping mode, for future reference.
+ m_windowsMappingMode = wxMM_TEXT;
+
+ SetMapMode(wxMM_TEXT); // NOTE: does not set HDC mapmode (this is correct)
}
// 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)
+// give origin/extent arguments to wxMakeMetafilePlaceable.
+wxMetafileDC::wxMetafileDC( const wxString& file,
+ int WXUNUSED(xext),
+ int WXUNUSED(yext),
+ int WXUNUSED(xorg),
+ int WXUNUSED(yorg) )
{
- // TODO
+ m_minX = 10000;
+ m_minY = 10000;
+ m_maxX = -10000;
+ m_maxY = -10000;
+ if (file != wxT("") && wxFileExists(file))
+ wxRemoveFile(file);
+
+// m_hDC = (WXHDC) CreateMetaFile(file);
+
+ m_ok = true;
+
+// ::SetWindowOrgEx((HDC) m_hDC,xorg,yorg, NULL);
+// ::SetWindowExtEx((HDC) m_hDC,xext,yext, NULL);
+
+ // Actual Windows mapping mode, for future reference.
+ m_windowsMappingMode = wxMM_ANISOTROPIC;
+
+ SetMapMode(wxMM_TEXT); // NOTE: does not set HDC mapmode (this is correct)
}
-wxMetaFileDC::~wxMetaFileDC()
+wxMetafileDC::~wxMetafileDC(void)
{
+ m_hDC = 0;
}
-void wxMetaFileDC::GetTextExtent(const wxString& string, float *x, float *y,
- float *descent, float *externalLeading, wxFont *theFont, bool use16bit)
+void wxMetafileDC::GetTextExtent(const wxString& WXUNUSED(string),
+ long *WXUNUSED(x),
+ long *WXUNUSED(y),
+ long *WXUNUSED(descent),
+ long *WXUNUSED(externalLeading),
+ wxFont *theFont,
+ bool WXUNUSED(use16bit) ) const
{
- // TODO
+ wxFont *fontToUse = theFont;
+ if (!fontToUse)
+ fontToUse = (wxFont*) &m_font;
+
+ // TODO:
+/*
+ HDC dc = GetDC(NULL);
+
+ SIZE sizeRect;
+ TEXTMETRIC tm;
+ GetTextExtentPoint(dc, WXSTRINGCAST string, wxStrlen(WXSTRINGCAST string), &sizeRect);
+ GetTextMetrics(dc, &tm);
+
+ ReleaseDC(NULL, dc);
+
+ if ( x )
+ *x = sizeRect.cx;
+ if ( y )
+ *y = sizeRect.cy;
+ if ( descent )
+ *descent = tm.tmDescent;
+ if ( externalLeading )
+ *externalLeading = tm.tmExternalLeading;
+*/
}
-wxMetaFile *wxMetaFileDC::Close()
+wxMetafile *wxMetafileDC::Close(void)
{
- // TODO
- return NULL;
+ SelectOldObjects(m_hDC);
+ HANDLE mf = 0; // TODO: CloseMetaFile((HDC) m_hDC);
+ m_hDC = 0;
+ if (mf)
+ {
+ wxMetafile *wx_mf = new wxMetafile;
+ wx_mf->SetHMETAFILE((WXHANDLE) mf);
+ wx_mf->SetWindowsMappingMode(m_windowsMappingMode);
+ return wx_mf;
+ }
+ return NULL;
}
-void wxMetaFileDC::SetMapMode(int mode)
+void wxMetafileDC::SetMapMode(int mode)
{
- // TODO
-}
+ m_mappingMode = mode;
-#if 0
+// int pixel_width = 0;
+// int pixel_height = 0;
+// int mm_width = 0;
+// int mm_height = 0;
+
+ float mm2pixelsX = 10.0;
+ float mm2pixelsY = 10.0;
+
+ switch (mode)
+ {
+ case wxMM_TWIPS:
+ {
+ m_logicalScaleX = (float)(twips2mm * mm2pixelsX);
+ m_logicalScaleY = (float)(twips2mm * mm2pixelsY);
+ break;
+ }
+ case wxMM_POINTS:
+ {
+ m_logicalScaleX = (float)(pt2mm * mm2pixelsX);
+ m_logicalScaleY = (float)(pt2mm * mm2pixelsY);
+ break;
+ }
+ case wxMM_METRIC:
+ {
+ m_logicalScaleX = mm2pixelsX;
+ m_logicalScaleY = mm2pixelsY;
+ break;
+ }
+ case wxMM_LOMETRIC:
+ {
+ m_logicalScaleX = (float)(mm2pixelsX/10.0);
+ m_logicalScaleY = (float)(mm2pixelsY/10.0);
+ break;
+ }
+ default:
+ case wxMM_TEXT:
+ {
+ m_logicalScaleX = 1.0;
+ m_logicalScaleY = 1.0;
+ break;
+ }
+ }
+ m_nWindowExtX = 100;
+ m_nWindowExtY = 100;
+}
#ifdef __WIN32__
struct RECT32
};
struct mfPLACEABLEHEADER {
- DWORD key;
- short hmf;
- RECT32 bbox;
- WORD inch;
- DWORD reserved;
- WORD checksum;
+ 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;
+ DWORD key;
+ HANDLE hmf;
+ RECT bbox;
+ WORD inch;
+ DWORD reserved;
+ WORD checksum;
};
#endif
* 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] = MM_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)
+bool wxMakeMetafilePlaceable(const wxString& filename, float scale)
+{
+ return wxMakeMetafilePlaceable(filename, 0, 0, 0, 0, scale, FALSE);
+}
+
+bool wxMakeMetafilePlaceable(const wxString& WXUNUSED(filename),
+ int WXUNUSED(x1),
+ int WXUNUSED(y1),
+ int WXUNUSED(x2),
+ int WXUNUSED(y2),
+ float WXUNUSED(scale),
+ bool WXUNUSED(useOriginAndExtent))
+{
+// TODO: the OS/2 PM/MM way to do this
+/*
+ // 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.xLeft = (int)(x1);
+ header.bbox.yTop = (int)(y1);
+ header.bbox.xRight = (int)(x2);
+ header.bbox.yBottom = (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(filename.fn_str(), "rb");
+ if (!fd)
+ return FALSE;
+
+ wxChar tempFileBuf[256];
+ wxGetTempFileName(wxT("mf"), tempFileBuf);
+ FILE *fHandle = fopen(wxConvFile.cWX2MB(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] = MM_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)
{
- putc(ch, fHandle);
+ fwrite((void *)originBuffer, sizeof(char), 10, fHandle);
+ fwrite((void *)extentBuffer, sizeof(char), 10, fHandle);
}
- }
- fclose(fHandle);
- fclose(fd);
- wxRemoveFile(filename);
- wxCopyFile(tempFileBuf, filename);
- wxRemoveFile(tempFileBuf);
- return TRUE;
-}
-#endif
+ 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;
+}
+#endif // wxUSE_METAFILE
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