/////////////////////////////////////////////////////////////////////////////
// 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.
+ */
-wxMetaFile::wxMetaFile(const wxString& file)
+wxMetafileRefData::wxMetafileRefData(void)
{
- // TODO
+ 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)
+{
+ 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 (!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;
}
-bool wxMetaFile::Play(wxDC *dc)
+bool wxMetafile::Play(wxDC *dc)
{
- // TODO
- return FALSE;
+ 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;
+}
+
+void wxMetafile::SetWindowsMappingMode(int mm)
+{
+ 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 xext, int yext, int xorg, int 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& string, long *x, long *y,
+ long *descent, long *externalLeading, wxFont *theFont, bool 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
* and sets the window origin and extent to mimic the wxMM_TEXT mapping mode.
*
*/
-
-bool wxMakeMetaFilePlaceable(const wxString& filename, float scale)
+
+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)
+bool wxMakeMetafilePlaceable(const wxString& filename, int x1, int y1, int x2, int y2, float scale, bool 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.left = (int)(x1);
- header.bbox.top = (int)(y1);
- header.bbox.right = (int)(x2);
- header.bbox.bottom = (int)(y2);
+ 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
+ // 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");
+ FILE *fd = fopen(filename.fn_str(), "rb");
if (!fd) return FALSE;
-
- char tempFileBuf[256];
- wxGetTempFileName("mf", tempFileBuf);
- FILE *fHandle = fopen(tempFileBuf, "wb");
+
+ 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);
// 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
extentRecord->rdParm[1] = extentX;
fwrite((void *)modeBuffer, sizeof(char), 8, fHandle);
-
+
if (useOriginAndExtent)
{
fwrite((void *)originBuffer, sizeof(char), 10, fHandle);
wxRemoveFile(filename);
wxCopyFile(tempFileBuf, filename);
wxRemoveFile(tempFileBuf);
+*/
return TRUE;
}
-#endif
+#endif // wxUSE_METAFILE
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