A few tweaks and cleanups

[wxWidgets.git] / src / os2 / metafile.cpp

diff --git a/src/os2/metafile.cpp b/src/os2/metafile.cpp
index 03c29bcb7953ad525471bb1ffc39e423f577a24d..bb9fa9719daeff1a67de340500636c397211b6d1 100644 (file)
--- a/src/os2/metafile.cpp
+++ b/src/os2/metafile.cpp
@@ -1,58 +1,120 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        metafile.cpp
 // Purpose:     wxMetaFile, wxMetaFileDC etc. These classes are optional.
 /////////////////////////////////////////////////////////////////////////////
 // Name:        metafile.cpp
 // Purpose:     wxMetaFile, wxMetaFileDC etc. These classes are optional.

-// Author:      AUTHOR
+// Author:      David Webster

 // Modified by:
 // Modified by:

-// Created:     04/01/98
+// Created:     10/10/99

 // RCS-ID:      $Id$
 // 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
 
 #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/clipbrd.h"

+#include "wx/os2/private.h"
+
+#include <stdio.h>
+#include <string.h>

 
 extern bool wxClipboardIsOpen;
 
 
 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 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;
 }
 
     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;

 }
 
 /*
 }
 
 /*


@@ -61,41 +123,155 @@ bool wxMetaFile::Play(wxDC *dc)
  */
 
 // Original constructor that does not takes origin and extent. If you use this,
  */
 
 // 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
 }
 
 // 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
 
 #ifdef __WIN32__
 struct RECT32


@@ -131,41 +307,43 @@ struct mfPLACEABLEHEADER {
  * and sets the window origin and extent to mimic the wxMM_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)

 {
 {

+// 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);
   // 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;
   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;
 
   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;
 
   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;
   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);
   if (!fHandle)
     return FALSE;
   fwrite((void *)&header, sizeof(unsigned char), sizeof(mfPLACEABLEHEADER), fHandle);


@@ -179,12 +357,12 @@ bool wxMakeMetaFilePlaceable(const wxString& filename, int x1, int y1, int x2, i
   // Read metafile header and write
   METAHEADER metaHeader;
   fread((void *)&metaHeader, sizeof(unsigned char), sizeof(metaHeader), fd);
   // 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;
   if (useOriginAndExtent)
     metaHeader.mtSize += 15;
   else
     metaHeader.mtSize += 5;

-    
+

   fwrite((void *)&metaHeader, sizeof(unsigned char), sizeof(metaHeader), fHandle);
 
   // Write SetMapMode, SetWindowOrigin and SetWindowExt records
   fwrite((void *)&metaHeader, sizeof(unsigned char), sizeof(metaHeader), fHandle);
 
   // Write SetMapMode, SetWindowOrigin and SetWindowExt records


@@ -211,7 +389,7 @@ bool wxMakeMetaFilePlaceable(const wxString& filename, int x1, int y1, int x2, i
   extentRecord->rdParm[1] = extentX;
 
   fwrite((void *)modeBuffer, sizeof(char), 8, fHandle);
   extentRecord->rdParm[1] = extentX;
 
   fwrite((void *)modeBuffer, sizeof(char), 8, fHandle);

-  
+

   if (useOriginAndExtent)
   {
     fwrite((void *)originBuffer, sizeof(char), 10, fHandle);
   if (useOriginAndExtent)
   {
     fwrite((void *)originBuffer, sizeof(char), 10, fHandle);


@@ -232,8 +410,9 @@ bool wxMakeMetaFilePlaceable(const wxString& filename, int x1, int y1, int x2, i
   wxRemoveFile(filename);
   wxCopyFile(tempFileBuf, filename);
   wxRemoveFile(tempFileBuf);
   wxRemoveFile(filename);
   wxCopyFile(tempFileBuf, filename);
   wxRemoveFile(tempFileBuf);

+*/

   return TRUE;
 }
 
   return TRUE;
 }
 

-#endif
+#endif // wxUSE_METAFILE