/////////////////////////////////////////////////////////////////////////////
// Name: metafile.cpp
-// Purpose: wxMetaFileDC etc.
+// Purpose: wxMetafileDC etc.
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
#include "wx/setup.h"
#endif
-#if USE_METAFILE
+#if wxUSE_METAFILE
#ifndef WX_PRECOMP
#include "wx/utils.h"
extern bool wxClipboardIsOpen;
#if !USE_SHARED_LIBRARY
-IMPLEMENT_DYNAMIC_CLASS(wxMetaFile, wxObject)
-IMPLEMENT_ABSTRACT_CLASS(wxMetaFileDC, wxDC)
+IMPLEMENT_DYNAMIC_CLASS(wxMetafile, wxObject)
+IMPLEMENT_ABSTRACT_CLASS(wxMetafileDC, wxDC)
#endif
/*
- * Metafiles - Windows 3.1 only
+ * Metafiles
* Currently, the only purpose for making a metafile is to put
* it on the clipboard.
*/
-wxMetaFile::wxMetaFile(const wxString& file)
+wxMetafileRefData::wxMetafileRefData(void)
{
- m_windowsMappingMode = MM_ANISOTROPIC;
- m_metaFile = 0;
- if (!file.IsNull() && file == "")
- m_metaFile = (WXHANDLE) GetMetaFile(file);
+ m_metafile = 0;
+ m_windowsMappingMode = wxMM_ANISOTROPIC;
}
-wxMetaFile::~wxMetaFile(void)
+wxMetafileRefData::~wxMetafileRefData(void)
{
- if (m_metaFile)
- { DeleteMetaFile((HANDLE) m_metaFile); m_metaFile = 0; }
+ if (m_metafile)
+ {
+ DeleteMetaFile((HMETAFILE) m_metafile);
+ m_metafile = 0;
+ }
}
-bool wxMetaFile::SetClipboard(int width, int height)
+wxMetafile::wxMetafile(const wxString& file)
{
- bool alreadyOpen=wxClipboardOpen();
- if (!alreadyOpen)
- {
- wxOpenClipboard();
- if (!wxEmptyClipboard()) return FALSE;
- }
- bool success = wxSetClipboardData(wxCF_METAFILE,this, width,height);
- if (!alreadyOpen) wxCloseClipboard();
- return (bool) success;
+ m_refData = new wxMetafileRefData;
+
+ M_METAFILEDATA->m_windowsMappingMode = wxMM_ANISOTROPIC;
+ M_METAFILEDATA->m_metafile = 0;
+ if (!file.IsNull() && (file.Cmp("") == 0))
+ M_METAFILEDATA->m_metafile = (WXHANDLE) GetMetaFile(file);
}
-bool wxMetaFile::Play(wxDC *dc)
+wxMetafile::~wxMetafile(void)
{
- dc->BeginDrawing();
+}
- if (dc->GetHDC() && m_metaFile)
- PlayMetaFile((HDC) dc->GetHDC(), (HANDLE) m_metaFile);
+bool wxMetafile::SetClipboard(int width, int height)
+{
+ if (!m_refData)
+ return FALSE;
- dc->EndDrawing();
+ bool alreadyOpen=wxClipboardOpen();
+ if (!alreadyOpen)
+ {
+ wxOpenClipboard();
+ if (!wxEmptyClipboard()) return FALSE;
+ }
+ bool success = wxSetClipboardData(wxDF_METAFILE, this, width,height);
+ if (!alreadyOpen) wxCloseClipboard();
+ return (bool) success;
+}
- return TRUE;
+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;
+}
+
+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)
{
m_metaFile = NULL;
m_minX = 10000;
if (!file.IsNull() && wxFileExists(file))
wxRemoveFile(file);
- m_hDC = (WXHDC) CreateMetaFile(file);
- m_ok = TRUE;
+ if (!file.IsNull() && (file != ""))
+ 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 = MM_TEXT;
-
- SetMapMode(MM_TEXT); // NOTE: does not set HDC mapmode (this is correct)
+ 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)
{
m_minX = 10000;
m_minY = 10000;
::SetWindowExtEx((HDC) m_hDC,xext,yext, NULL);
// Actual Windows mapping mode, for future reference.
- m_windowsMappingMode = MM_ANISOTROPIC;
-
- SetMapMode(MM_TEXT); // NOTE: does not set HDC mapmode (this is correct)
+ m_windowsMappingMode = wxMM_ANISOTROPIC;
+
+ SetMapMode(wxMM_TEXT); // NOTE: does not set HDC mapmode (this is correct)
}
-wxMetaFileDC::~wxMetaFileDC(void)
+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
{
wxFont *fontToUse = theFont;
if (!fontToUse)
- fontToUse = &m_font;
+ fontToUse = (wxFont*) &m_font;
HDC dc = GetDC(NULL);
ReleaseDC(NULL, dc);
- *x = (float)XDEV2LOGREL(sizeRect.cx);
- *y = (float)YDEV2LOGREL(sizeRect.cy);
- if (descent) *descent = (float)tm.tmDescent;
- if (externalLeading) *externalLeading = (float)tm.tmExternalLeading;
+ if ( x )
+ *x = sizeRect.cx;
+ if ( y )
+ *y = sizeRect.cy;
+ if ( descent )
+ *descent = tm.tmDescent;
+ if ( externalLeading )
+ *externalLeading = tm.tmExternalLeading;
}
-wxMetaFile *wxMetaFileDC::Close(void)
+wxMetafile *wxMetafileDC::Close(void)
{
SelectOldObjects(m_hDC);
HANDLE mf = CloseMetaFile((HDC) m_hDC);
m_hDC = 0;
if (mf)
{
- wxMetaFile *wx_mf = new wxMetaFile;
+ 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)
{
m_mappingMode = mode;
switch (mode)
{
- case MM_TWIPS:
+ case wxMM_TWIPS:
{
m_logicalScaleX = (float)(twips2mm * mm2pixelsX);
m_logicalScaleY = (float)(twips2mm * mm2pixelsY);
break;
}
- case MM_POINTS:
+ case wxMM_POINTS:
{
m_logicalScaleX = (float)(pt2mm * mm2pixelsX);
m_logicalScaleY = (float)(pt2mm * mm2pixelsY);
break;
}
- case MM_METRIC:
+ case wxMM_METRIC:
{
m_logicalScaleX = mm2pixelsX;
m_logicalScaleY = mm2pixelsY;
break;
}
- case MM_LOMETRIC:
+ case wxMM_LOMETRIC:
{
m_logicalScaleX = (float)(mm2pixelsX/10.0);
m_logicalScaleY = (float)(mm2pixelsY/10.0);
break;
}
default:
- case MM_TEXT:
+ case wxMM_TEXT:
{
m_logicalScaleX = 1.0;
m_logicalScaleY = 1.0;
/*
* 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 MM_TEXT mapping mode.
+ * 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)
{
// 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.
return TRUE;
}
-#endif // USE_METAFILE
+#endif // wxUSE_METAFILE
+
projects / wxWidgets.git / blobdiff