]> git.saurik.com Git - wxWidgets.git/blobdiff - src/os2/fontutil.cpp
deleted unused variable
[wxWidgets.git] / src / os2 / fontutil.cpp
index 7fb1ff865ce045b0c4ede82d4ecdb338861a6a7d..d552bdbc0a5c25020954e4d560bffa58197a4657 100644 (file)
@@ -6,7 +6,7 @@
 // Created:     01.03.00
 // RCS-ID:      $Id$
 // Copyright:   (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
-// Licence:     wxWindows license
+// Licence:     wxWindows licence
 ///////////////////////////////////////////////////////////////////////////////
 #define DEBUG_PRINTF(NAME)   { static int raz=0; \
   printf( #NAME " %i\n",raz); fflush(stdout);       \
@@ -170,6 +170,58 @@ bool wxGetNativeFontEncoding(
     return TRUE;
 } // end of wxGetNativeFontEncoding
 
+wxFontEncoding wxGetFontEncFromCharSet(
+  int                               nCharSet
+)
+{
+    wxFontEncoding                  eFontEncoding;
+
+    switch (nCharSet)
+    {
+        default:
+        case 1250:
+            eFontEncoding = wxFONTENCODING_CP1250;
+            break;
+
+        case 1252:
+            eFontEncoding = wxFONTENCODING_CP1252;
+            break;
+
+        case 921:
+            eFontEncoding = wxFONTENCODING_ISO8859_4;
+            break;
+
+        case 1251:
+            eFontEncoding = wxFONTENCODING_CP1251;
+            break;
+
+        case 864:
+            eFontEncoding = wxFONTENCODING_ISO8859_6;
+            break;
+
+        case 869:
+            eFontEncoding = wxFONTENCODING_ISO8859_7;
+            break;
+
+        case 862:
+            eFontEncoding = wxFONTENCODING_ISO8859_8;
+            break;
+
+        case 857:
+            eFontEncoding = wxFONTENCODING_ISO8859_9;
+            break;
+
+        case 874:
+            eFontEncoding = wxFONTENCODING_ISO8859_11;
+            break;
+
+        case 437:
+            eFontEncoding = wxFONTENCODING_CP437;
+            break;
+    }
+    return eFontEncoding;
+} // end of wxGetNativeFontEncoding
+
 bool wxTestFontEncoding(
   const wxNativeEncodingInfo&       rInfo
 )
@@ -206,78 +258,295 @@ bool wxTestFontEncoding(
 // wxFont <-> LOGFONT conversion
 // ----------------------------------------------------------------------------
 
+void wxConvertVectorFontSize(
+  FIXED                             fxPointSize
+, PFATTRS                           pFattrs
+)
+{
+    HPS                             hPS;
+    HDC                             hDC;
+    LONG                            lXFontResolution;
+    LONG                            lYFontResolution;
+    SIZEF                           vSizef;
+
+    hPS = WinGetScreenPS(HWND_DESKTOP); // Screen presentation space
+
+    //
+    //   Query device context for the screen and then query
+    //   the resolution of the device for the device context.
+    //
+
+    hDC = GpiQueryDevice(hPS);
+    DevQueryCaps( hDC, CAPS_HORIZONTAL_FONT_RES, (LONG)1, &lXFontResolution);
+    DevQueryCaps( hDC, CAPS_VERTICAL_FONT_RES, (LONG)1, &lYFontResolution);
+
+    //
+    //   Calculate the size of the character box, based on the
+    //   point size selected and the resolution of the device.
+    //   The size parameters are of type FIXED, NOT int.
+    //   NOTE: 1 point == 1/72 of an inch.
+    //
+
+    vSizef.cx = (FIXED)(((fxPointSize) / 72 ) * lXFontResolution );
+    vSizef.cy = (FIXED)(((fxPointSize) / 72 ) * lYFontResolution );
+
+    pFattrs->lMaxBaselineExt = MAKELONG( HIUSHORT( vSizef.cy ), 0 );
+    pFattrs->lAveCharWidth   = MAKELONG( HIUSHORT( vSizef.cx ), 0 );
+    WinReleasePS(hPS);
+
+} // end of wxConvertVectorPointSize
+
 void wxFillLogFont(
-  LOGFONT*                          pLogFont // OS2 GPI FATTRS
+  LOGFONT*                          pFattrs  // OS2 GPI FATTRS
 , PFACENAMEDESC                     pFaceName
-, const wxFont*                     pFont
+, HPS*                              phPS
+, bool*                             pbInternalPS
+, long*                             pflId
+, wxString&                         sFaceName
+, wxFont*                           pFont
 )
 {
-    wxString                        sFace;
-    USHORT                          uWeight;
-    int                             nItalic;
+    LONG                            lNumFonts = 0L;       // For system font count
+    ERRORID                         vError;               // For logging API errors
+    LONG                            lTemp = 0L;
+    bool                            bInternalPS = FALSE;  // if we have to create one
+    PFONTMETRICS                    pFM = NULL;
 
-    pLogFont->fsSelection = 0;
-    pLogFont->fsSelection = FATTR_SEL_OUTLINE; // we will alway use only outlines
-    pFaceName->usWeightClass = 0;
+    //
+    // Initial house cleaning to free data buffers and ensure we have a
+    // functional PS to work with
+    //
+    if (!*phPS)
+    {
+        *phPS = ::WinGetPS(HWND_DESKTOP);
+        bInternalPS = TRUE;
+    }
+
+    //
+    // Determine the number of fonts.
+    //
+    if((lNumFonts = ::GpiQueryFonts( *phPS
+                                    ,QF_PUBLIC | QF_PRIVATE
+                                    ,NULL
+                                    ,&lTemp
+                                    ,(LONG) sizeof(FONTMETRICS)
+                                    ,NULL
+                                   )) < 0L)
+    {
+        ERRORID                     vError;
+        wxString                    sError;
+
+        vError = ::WinGetLastError(wxGetInstance());
+        sError = wxPMErrorToStr(vError);
+        return;
+    }
+
+    //
+    // Allocate space for the font metrics.
+    //
+    pFM = new FONTMETRICS[lNumFonts + 1];
+
+    //
+    // Retrieve the font metrics.
+    //
+    lTemp = lNumFonts;
+    lTemp = ::GpiQueryFonts( *phPS
+                            ,QF_PUBLIC
+                            ,NULL
+                            ,&lTemp
+                            ,(LONG) sizeof(FONTMETRICS)
+                            ,pFM
+                           );
+    pFont->SetFM( pFM
+                 ,(int)lNumFonts
+                );
+
+    //
+    // Initialize FATTR and FACENAMEDESC
+    //
+    pFattrs->usRecordLength = sizeof(FATTRS);
+    pFattrs->fsFontUse = FATTR_FONTUSE_OUTLINE;       // only outline fonts allowed
+    pFattrs->fsType = 0;
+    pFattrs->lMaxBaselineExt = pFattrs->lAveCharWidth = 0;
+    pFattrs->idRegistry = 0;
+    pFattrs->lMatch = 0;
+
+    pFaceName->usSize = sizeof(FACENAMEDESC);
+    pFaceName->usWeightClass = FWEIGHT_DONT_CARE;
+    pFaceName->usWidthClass = FWIDTH_DONT_CARE;
+    pFaceName->usReserved = 0;
     pFaceName->flOptions = 0;
+
+    //
+    // This does the actual selection of fonts
+    //
+    wxOS2SelectMatchingFontByName( pFattrs
+                                  ,pFaceName
+                                  ,pFM
+                                  ,(int)lNumFonts
+                                  ,pFont
+                                 );
+    //
+    // We should now have the correct FATTRS set with the selected
+    // font, so now we need to generate an ID
+    //
+    long                            lNumLids = ::GpiQueryNumberSetIds(*phPS);
+    long                            lGpiError;
+
+    if(lNumLids )
+    {
+        long                        alTypes[255];
+        STR8                        azNames[255];
+        long                        alIds[255];
+
+        memset(alIds, 0, sizeof(long) * 255);
+        if(!::GpiQuerySetIds( *phPS
+                             ,lNumLids
+                             ,alTypes
+                             ,azNames
+                             ,alIds
+                            ))
+        {
+            if (bInternalPS)
+                ::WinReleasePS(*phPS);
+            return;
+        }
+        if (*pflId == 0L)
+            *pflId = 1L;
+        for(unsigned long LCNum = 0; LCNum < lNumLids; LCNum++)
+            if(alIds[LCNum] == *pflId)
+               ++*pflId;
+        if(*pflId > 254)  // wow, no id available!
+        {
+            if (bInternalPS)
+               ::WinReleasePS(*phPS);
+           return;
+        }
+    }
+    else
+        *pflId = 1L;
+    //
+    // Release and delete the current font
+    //
+    ::GpiSetCharSet(*phPS, LCID_DEFAULT);/* release the font before deleting */
+    ::GpiDeleteSetId(*phPS, 1L);         /* delete the logical font          */
+
+    //
+    // Now build a facestring
+    //
+    char                            zFacename[128];
+
+    strcpy(zFacename, pFattrs->szFacename);
+
+    if(::GpiQueryFaceString( *phPS
+                            ,zFacename
+                            ,pFaceName
+                            ,FACESIZE
+                            ,pFattrs->szFacename
+                           ) == GPI_ERROR)
+    {
+        vError = ::WinGetLastError(vHabmain);
+    }
+    sFaceName = zFacename;
+    *pbInternalPS = bInternalPS;
+
+    //
+    // That's it, we now have everything we need to actually create the font
+    //
+} // end of wxFillLogFont
+
+void wxOS2SelectMatchingFontByName(
+  PFATTRS                           pFattrs
+, PFACENAMEDESC                     pFaceName
+, PFONTMETRICS                      pFM
+, int                               nNumFonts
+, const wxFont*                     pFont
+)
+{
+    int                             i;
+    int                             nDiff0;
+    int                             nPointSize;
+    int                             nDiff;
+    int                             nIs;
+    int                             nMinDiff;
+    int                             nMinDiff0;
+    int                             nApirc;
+    int                             anDiff[16];
+    int                             anMinDiff[16];
+    int                             nIndex = 0;
+    STR8                            zFn;
+    char                            zFontFaceName[FACESIZE];
+    wxString                        sFaceName;
+    USHORT                          usWeightClass;
+    int                             fsSelection = 0;
+
+    nMinDiff0 = 0xf000;
+    for(i = 0;i < 16; i++)
+        anMinDiff[i] = nMinDiff0;
+
     switch (pFont->GetFamily())
     {
         case wxSCRIPT:
-            sFace = _T("Script");
+            sFaceName = wxT("Tms Rmn");
             break;
 
         case wxDECORATIVE:
+            sFaceName = wxT("WarpSans");
+            break;
+
         case wxROMAN:
-            sFace = _T("Times New Roman");
+            sFaceName = wxT("Tms Rmn");
             break;
 
         case wxTELETYPE:
+            sFaceName = wxT("Courier") ;
+            break;
+
         case wxMODERN:
-            sFace = _T("Courier New");
+            sFaceName = wxT("System VIO") ;
             break;
 
         case wxSWISS:
-            sFace = _T("WarpSans");
+            sFaceName = wxT("Helv") ;
             break;
 
         case wxDEFAULT:
         default:
-            sFace = _T("Helv");
+            sFaceName = wxT("System VIO") ;
     }
 
     switch (pFont->GetWeight())
     {
         default:
             wxFAIL_MSG(_T("unknown font weight"));
-            uWeight = FWEIGHT_DONT_CARE;
+            // fall through
+            usWeightClass = FWEIGHT_DONT_CARE;
             break;
 
         case wxNORMAL:
-            uWeight = FWEIGHT_NORMAL;
+            usWeightClass = FWEIGHT_NORMAL;
             break;
 
         case wxLIGHT:
-            uWeight = FWEIGHT_LIGHT;
+            usWeightClass = FWEIGHT_LIGHT;
             break;
 
         case wxBOLD:
-            uWeight = FWEIGHT_BOLD;
-            pLogFont->fsSelection |= FATTR_SEL_BOLD;
+            usWeightClass = FWEIGHT_BOLD;
             break;
 
-        case wxFONTWEIGHT_MAX:
-            uWeight = FWEIGHT_ULTRA_BOLD;
-            pLogFont->fsSelection |= FATTR_SEL_BOLD;
+         case wxFONTWEIGHT_MAX:
+            usWeightClass = FWEIGHT_ULTRA_BOLD;
             break;
     }
-    pFaceName->usWeightClass |= uWeight;
+    pFaceName->usWeightClass = usWeightClass;
 
     switch (pFont->GetStyle())
     {
         case wxITALIC:
         case wxSLANT:
-            nItalic = FTYPE_ITALIC;
-            pLogFont->fsSelection |= FATTR_SEL_ITALIC;
+            fsSelection = FM_SEL_ITALIC;
+            pFaceName->flOptions = FTYPE_ITALIC;
             break;
 
         default:
@@ -285,81 +554,110 @@ void wxFillLogFont(
             // fall through
 
         case wxNORMAL:
-            nItalic = 0;
+            fsSelection  = 0;
             break;
     }
-    pFaceName->flOptions |= nItalic;
-    if(pFont->GetUnderlined())
-        pLogFont->fsSelection |= FATTR_SEL_UNDERSCORE;
-
-    //
-    // In PM a font's height is expressed in points.  A point equals
-    // approximately 1/72 of an inch.  We'll assume for now that,
-    // like Windows, that fonts are 96 dpi.
-    //
-    DEVOPENSTRUC                    vDop = {0L, "DISPLAY", NULL, 0L, 0L, 0L, 0L, 0L, 0L};
-    HDC                             hDC = ::DevOpenDC(vHabmain, OD_MEMORY, "*", 5L, (PDEVOPENDATA)&vDop, NULLHANDLE);
-    LONG                            lStart = CAPS_FAMILY;
-    LONG                            lCount = CAPS_VERTICAL_RESOLUTION;
-    LONG                            alArray[CAPS_VERTICAL_RESOLUTION];
-    LONG                            lRes;
-    int                             nPpInch;
-
-
-    ::DevQueryCaps(hDC, lStart, lCount, alArray);
-    lRes = alArray[CAPS_VERTICAL_RESOLUTION-1];
-    if (lRes > 0)
-        nPpInch = (int)(lRes/39.6); // lres is in pixels per meter
-    else
-        nPpInch = 96;
 
-    int                             nHeight = (pFont->GetPointSize() * nPpInch/72);
-    wxString                        sFacename = pFont->GetFaceName();
-
-    if (!!sFacename)
-    {
-        sFace = sFacename;
-    }
-    //else: ff_face is a reasonable default facename for this font family
+    wxStrncpy(zFontFaceName, sFaceName.c_str(), WXSIZEOF(zFontFaceName));
+    nPointSize = pFont->GetPointSize();
 
     //
-    // Deal with encoding now
+    // Matching logic to find the right FM struct
     //
-    wxNativeEncodingInfo            vInfo;
-    wxFontEncoding                  vEncoding = pFont->GetEncoding();
-
-    if (!wxGetNativeFontEncoding( vEncoding
-                                 ,&vInfo
-                                ))
+    nIndex = 0;
+    for(i = 0, nIs = 0; i < nNumFonts; i++)
     {
-        if ( !wxTheFontMapper->GetAltForEncoding( vEncoding
-                                                 ,&vInfo
-                                                ))
+        int                         nEmHeight = 0;
+        int                         nXHeight = 0;
+
+        anDiff[0] = wxGpiStrcmp(pFM[i].szFacename, zFontFaceName);
+        anDiff[1] = abs(pFM[i].lEmHeight - nPointSize);
+        anDiff[2] = abs(pFM[i].usWeightClass -  usWeightClass);
+        anDiff[3] = abs((pFM[i].fsSelection & 0x2f) -  fsSelection);
+        if(anDiff[0] == 0)
         {
-            //
-            // Unsupported encoding, replace with the default
-            //
-            vInfo.charset = 850;
+            nEmHeight = (int)pFM[i].lEmHeight;
+            nXHeight  =(int)pFM[i].lXHeight;
+            if( (nIs & 0x01) == 0)
+            {
+                nIs = 1;
+                nIndex = i;
+                anMinDiff[1] = anDiff[1];
+                anMinDiff[2] = anDiff[2];
+                anMinDiff[3] = anDiff[3];
+            }
+            else if(anDiff[3] < anMinDiff[3])
+            {
+                nIndex = i;
+                anMinDiff[3] = anDiff[3];
+            }
+            else if(anDiff[2] < anMinDiff[2])
+            {
+                nIndex = i;
+                anMinDiff[2] = anDiff[2];
+            }
+            else if(anDiff[1] < anMinDiff[1])
+            {
+                nIndex = i;
+                anMinDiff[1] = anDiff[1];
+            }
+            anMinDiff[0] = 0;
+        }
+        else if(anDiff[0] < anMinDiff[0])
+        {
+              nIs = 2;
+              nIndex = i;
+              anMinDiff[3] = anDiff[3];
+              anMinDiff[2] = anDiff[2];
+              anMinDiff[1] = anDiff[1];
+              anMinDiff[0] = anDiff[0];
+        }
+        else if(anDiff[0] == anMinDiff[0])
+        {
+            if(anDiff[3] < anMinDiff[3])
+            {
+                nIndex = i;
+                anMinDiff[3] = anDiff[3];
+                nIs = 2;
+            }
+            else if(anDiff[2] < anMinDiff[2])
+            {
+                nIndex = i;
+                anMinDiff[2] = anDiff[2];
+                nIs = 2;
+            }
+            else if(anDiff[1] < anMinDiff[1])
+            {
+                nIndex = i;
+                anMinDiff[1] = anDiff[1];
+                nIs = 2;
+            }
         }
-    }
-
-    if (!vInfo.facename.IsEmpty() )
-    {
-        //
-        // The facename determined by the encoding overrides everything else
-        //
-        sFace = vInfo.facename;
     }
 
     //
-    // Transfer all the data to LOGFONT
+    // Fill in the FATTRS with the best match from FONTMETRICS
     //
-    pLogFont->usRecordLength = sizeof(FATTRS);
-    wxStrcpy(pLogFont->szFacename, sFace.c_str());
-    pLogFont->usCodePage = vInfo.charset;
-    pLogFont->fsFontUse |= FATTR_FONTUSE_OUTLINE |
-                           FATTR_FONTUSE_TRANSFORMABLE;
-} // end of wxFillLogFont
+    pFattrs->usRecordLength  = sizeof(FATTRS);              // Sets size of structure
+    pFattrs->lMatch          = pFM[nIndex].lMatch;          // Force match
+    pFattrs->idRegistry      = 0;
+    pFattrs->usCodePage      = 0;
+    pFattrs->fsFontUse       = 0;
+    pFattrs->fsType          = 0;
+    pFattrs->lMaxBaselineExt = 0;
+    pFattrs->lAveCharWidth   = 0;
+    wxStrcpy(pFattrs->szFacename, pFM[nIndex].szFacename);
+    if (pFont->GetWeight() == wxNORMAL)
+        pFattrs->fsSelection = 0;
+    else
+        pFattrs->fsSelection = FATTR_SEL_BOLD;
+
+    if (pFont->GetStyle() == wxITALIC || pFont->GetStyle() == wxSLANT)
+        pFattrs->fsSelection |= FATTR_SEL_ITALIC;
+
+    if (pFont->GetUnderlined())
+        pFattrs->fsSelection |= FATTR_SEL_UNDERSCORE;
+} // end of wxOS2SelectMatchingFontByName
 
 wxFont wxCreateFontFromLogFont(
   const LOGFONT*                    pLogFont
@@ -367,110 +665,12 @@ wxFont wxCreateFontFromLogFont(
 , PFACENAMEDESC                     pFaceName
 )
 {
-    //
-    // Extract family from facename
-    //
-    int                             nFontFamily;
-
-    if (strcmp(pLogFont->szFacename, "Times New Roman") == 0)
-        nFontFamily = wxROMAN;
-    else if (strcmp(pLogFont->szFacename, "WarpSans") == 0)
-        nFontFamily = wxSWISS;
-    else if (strcmp(pLogFont->szFacename, "Script") == 0)
-        nFontFamily = wxSCRIPT;
-    else if (strcmp(pLogFont->szFacename, "Courier New") == 0)
-        nFontFamily = wxMODERN;
-    else
-        nFontFamily = wxSWISS;
-
-    //
-    // Weight and Style
-    //
-    int                             nFontWeight = wxNORMAL;
-
-    switch (pFaceName->usWeightClass)
-    {
-        case FWEIGHT_LIGHT:
-            nFontWeight = wxLIGHT;
-            break;
-
-        default:
-        case FWEIGHT_NORMAL:
-            nFontWeight = wxNORMAL;
-            break;
-
-        case FWEIGHT_BOLD:
-            nFontWeight = wxBOLD;
-            break;
-    }
-
-    int                             nFontStyle;
-
-    if(pLogFont->fsSelection & FATTR_SEL_ITALIC)
-        nFontStyle = wxITALIC;
-    else
-        nFontStyle = wxNORMAL;
-
-    bool                            bFontUnderline = (pLogFont->fsSelection & FATTR_SEL_UNDERSCORE);
-    wxString                        sFontFace = pLogFont->szFacename;
-    int                             nFontPoints = pFM->lEmHeight;
-    wxFontEncoding                  vFontEncoding;
-
-    switch (pLogFont->usCodePage)
-    {
-        default:
-            wxFAIL_MSG(wxT("unsupported charset"));
-            // fall through
-
-        case 850:
-            vFontEncoding = wxFONTENCODING_CP1252;
-            break;
-
-        case 1250:
-            vFontEncoding = wxFONTENCODING_CP1250;
-            break;
-
-        case 921:
-            vFontEncoding = wxFONTENCODING_CP1257;
-            break;
-
-        case 866:
-            vFontEncoding = wxFONTENCODING_CP1251;
-            break;
-
-        case 864:
-            vFontEncoding = wxFONTENCODING_CP1256;
-            break;
-
-        case 869:
-            vFontEncoding = wxFONTENCODING_CP1253;
-            break;
-
-        case 862:
-            vFontEncoding = wxFONTENCODING_CP1255;
-            break;
-
-        case 857:
-            vFontEncoding = wxFONTENCODING_CP1254;
-            break;
-
-        case 874:
-            vFontEncoding = wxFONTENCODING_CP437;
-            break;
-
-        case 437:
-            vFontEncoding = wxFONTENCODING_CP437;
-            break;
-    }
+    wxNativeFontInfo                vInfo;
 
-    return wxFont( nFontPoints
-                  ,nFontFamily
-                  ,nFontStyle
-                  ,nFontWeight
-                  ,bFontUnderline
-                  ,sFontFace
-                  ,vFontEncoding
-                 );
+    vInfo.fa = *pLogFont;
+    vInfo.fm = *pFM;
+    vInfo.fn = *pFaceName;
+    return wxFont(vInfo);
 } // end of wxCreateFontFromLogFont
 
 int wxGpiStrcmp(