]> git.saurik.com Git - wxWidgets.git/blobdiff - src/os2/fontutil.cpp
correct bug with using uninitialized end variable (unused variable warnings are not...
[wxWidgets.git] / src / os2 / fontutil.cpp
index 052537053e77cc9dc8daf6d883a580e3c80d250b..8883b7305cdcf25a227b4f9b44273a381a73b1be 100644 (file)
@@ -6,12 +6,8 @@
 // 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);       \
-   raz++;                                        \
- }
 
 // ============================================================================
 // declarations
 // headers
 // ----------------------------------------------------------------------------
 
-#ifdef __GNUG__
-    #pragma implementation "fontutil.h"
-#endif
-
 // For compilers that support precompilation, includes "wx.h".
 #include "wx/wxprec.h"
 
+#define DEBUG_PRINTF(NAME)                            \
+    {                                                 \
+        static int raz=0;                             \
+        printf( #NAME " %i\n",raz); fflush(stdout);   \
+        raz++;                                        \
+    }
+
 #ifndef WX_PRECOMP
     #include "wx/app.h"
     #include "wx/string.h"
@@ -39,6 +38,7 @@
 
 #include "wx/fontutil.h"
 #include "wx/fontmap.h"
+#include "wx/encinfo.h"
 
 #include "wx/tokenzr.h"
 
@@ -53,9 +53,7 @@
 // convert to/from the string representation: format is
 //      encodingid;facename[;charset]
 
-bool wxNativeEncodingInfo::FromString(
-  const wxString&                   rsStr
-)
+bool wxNativeEncodingInfo::FromString( const wxString& rsStr )
 {
     wxStringTokenizer               vTokenizer(rsStr, _T(";"));
     wxString                        sEncid = vTokenizer.GetNextToken();
@@ -82,7 +80,7 @@ bool wxNativeEncodingInfo::FromString(
             return FALSE;
         }
     }
-    return TRUE;
+    return true;
 } // end of wxNativeEncodingInfo::FromString
 
 wxString wxNativeEncodingInfo::ToString() const
@@ -102,10 +100,8 @@ wxString wxNativeEncodingInfo::ToString() const
 // helper functions
 // ----------------------------------------------------------------------------
 
-bool wxGetNativeFontEncoding(
-  wxFontEncoding                    vEncoding
-, wxNativeEncodingInfo*             pInfo
-)
+bool wxGetNativeFontEncoding( wxFontEncoding vEncoding,
+                              wxNativeEncodingInfo* pInfo )
 {
     wxCHECK_MSG(pInfo, FALSE, _T("bad pointer in wxGetNativeFontEncoding") );
     if (vEncoding == wxFONTENCODING_DEFAULT)
@@ -167,7 +163,7 @@ bool wxGetNativeFontEncoding(
             pInfo->charset = 850;
             break;
     }
-    return TRUE;
+    return true;
 } // end of wxGetNativeFontEncoding
 
 wxFontEncoding wxGetFontEncFromCharSet(
@@ -222,24 +218,22 @@ wxFontEncoding wxGetFontEncFromCharSet(
     return eFontEncoding;
 } // end of wxGetNativeFontEncoding
 
-bool wxTestFontEncoding(
-  const wxNativeEncodingInfo&       rInfo
-)
+bool wxTestFontEncoding( const wxNativeEncodingInfo& rInfo )
 {
-    FATTRS                          vLogFont;
-    HPS                             hPS;
+    FATTRS vLogFont;
+    HPS    hPS;
 
     hPS = ::WinGetPS(HWND_DESKTOP);
 
     memset(&vLogFont, '\0', sizeof(FATTRS));           // all default values
     vLogFont.usRecordLength = sizeof(FATTRS);
-    vLogFont.usCodePage = rInfo.charset;
+    vLogFont.usCodePage = (USHORT)rInfo.charset;
     vLogFont.lMaxBaselineExt = 0L;                    // Outline fonts should use 0
     vLogFont.lAveCharWidth = 0L;                      // Outline fonts should use 0
     vLogFont.fsFontUse = FATTR_FONTUSE_OUTLINE |      // only outline fonts allowed
                          FATTR_FONTUSE_TRANSFORMABLE; // may be transformed
 
-    strncpy(vLogFont.szFacename, rInfo.facename.c_str(), sizeof(vLogFont.szFacename));
+    wxStrlcpy((wxChar*)vLogFont.szFacename, rInfo.facename.c_str(), WXSIZEOF(vLogFont.szFacename));
 
     if (!::GpiCreateLogFont( hPS
                             ,NULL
@@ -251,48 +245,98 @@ bool wxTestFontEncoding(
         return FALSE;
     }
     ::WinReleasePS(hPS);
-    return TRUE;
+    return true;
 } // end of wxTestFontEncoding
 
 // ----------------------------------------------------------------------------
 // wxFont <-> LOGFONT conversion
 // ----------------------------------------------------------------------------
 
-void wxFillLogFont(
-  LOGFONT*                          pFattrs  // OS2 GPI FATTRS
-, PFACENAMEDESC                     pFaceName
-, HPS                               hPS
-, long*                             pflId
-, wxString&                         sFaceName
-, wxFont*                           pFont
+void wxConvertVectorFontSize(
+  FIXED                             fxPointSize
+, PFATTRS                           pFattrs
 )
 {
-    LONG                            lNumFonts = 0L;       // For system font count
-    ERRORID                         vError;               // For logging API errors
-    LONG                            lTemp;
-    bool                            bInternalPS = FALSE;  // if we have to create one
-    PFONTMETRICS                    pFM = NULL;
+    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.
+    //
+
+    // multiply first to avoid getting vSizef.cx,cy = 0 since fxPointSize
+    // is normally < 72 and FontResolution is typically ca. 100
+    vSizef.cx = (FIXED)( (fxPointSize * lXFontResolution) / 72 );
+    vSizef.cy = (FIXED)( (fxPointSize * lYFontResolution) / 72 );
+
+    if (pFattrs)
+    {
+        pFattrs->lMaxBaselineExt = MAKELONG( HIUSHORT( vSizef.cy ), 0 );
+        pFattrs->lAveCharWidth   = MAKELONG( HIUSHORT( vSizef.cx ), 0 );
+    }
+    WinReleasePS(hPS);
+
+} // end of wxConvertVectorPointSize
+
+void wxFillLogFont( LOGFONT*      pFattrs,  // OS2 GPI FATTRS
+                    PFACENAMEDESC pFaceName,
+                    HPS*          phPS,
+                    bool*         pbInternalPS,
+                    long*         pflId,
+                    wxString&     sFaceName,
+                    wxFont*       pFont )
+{
+    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;
 
     //
     // Initial house cleaning to free data buffers and ensure we have a
     // functional PS to work with
     //
-    if (!hPS)
+    if (!*phPS)
     {
-        hPS = ::WinGetPS(HWND_DESKTOP);
-        bInternalPS = TRUE;
+        *phPS = ::WinGetPS(HWND_DESKTOP);
+        bInternalPS = true;
     }
 
     //
     // Determine the number of fonts.
     //
-    lNumFonts = ::GpiQueryFonts( hPS
-                                ,QF_PUBLIC
-                                ,NULL
-                                ,&lTemp
-                                ,(LONG) sizeof(FONTMETRICS)
-                                ,NULL
-                               );
+    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.
@@ -303,7 +347,7 @@ void wxFillLogFont(
     // Retrieve the font metrics.
     //
     lTemp = lNumFonts;
-    lTemp = ::GpiQueryFonts( hPS
+    lTemp = ::GpiQueryFonts( *phPS
                             ,QF_PUBLIC
                             ,NULL
                             ,&lTemp
@@ -314,31 +358,19 @@ void wxFillLogFont(
                  ,(int)lNumFonts
                 );
 
-    wxString                        sVals;
-
-    for (int i = 0; i < lNumFonts; i++)
-    {
-         sVals << "Face: " << pFM[i].szFacename
-               << "Family: " << pFM[i].szFamilyname
-               << " PointSize: " << pFM[i].lEmHeight
-               << " Height: " << pFM[i].lXHeight
-               ;
-         sVals = "";
-    }
-
     //
     // Initialize FATTR and FACENAMEDESC
     //
     pFattrs->usRecordLength = sizeof(FATTRS);
-    pFattrs->fsFontUse = FATTR_FONTUSE_OUTLINE |       // only outline fonts allowed
-                          FATTR_FONTUSE_TRANSFORMABLE;  // may be transformed
+    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->usWidthClass = FWIDTH_NORMAL;
+    pFaceName->usWeightClass = FWEIGHT_DONT_CARE;
+    pFaceName->usWidthClass = FWIDTH_DONT_CARE;
     pFaceName->usReserved = 0;
     pFaceName->flOptions = 0;
 
@@ -355,8 +387,7 @@ void wxFillLogFont(
     // We should now have the correct FATTRS set with the selected
     // font, so now we need to generate an ID
     //
-    long                            lNumLids = ::GpiQueryNumberSetIds(hPS);
-    long                            lGpiError;
+    long                            lNumLids = ::GpiQueryNumberSetIds(*phPS);
 
     if(lNumLids )
     {
@@ -364,7 +395,8 @@ void wxFillLogFont(
         STR8                        azNames[255];
         long                        alIds[255];
 
-        if(!::GpiQuerySetIds( hPS
+        memset(alIds, 0, sizeof(long) * 255);
+        if(!::GpiQuerySetIds( *phPS
                              ,lNumLids
                              ,alTypes
                              ,azNames
@@ -372,26 +404,28 @@ void wxFillLogFont(
                             ))
         {
             if (bInternalPS)
-                ::WinReleasePS(hPS);
+                ::WinReleasePS(*phPS);
             return;
         }
-
-        for(unsigned long LCNum = 0; LCNum < lNumLids; LCNum++)
+        if (*pflId == 0L)
+            *pflId = 1L;
+        for(unsigned long LCNum = 0; LCNum < (unsigned long)lNumLids; LCNum++)
             if(alIds[LCNum] == *pflId)
                ++*pflId;
         if(*pflId > 254)  // wow, no id available!
         {
             if (bInternalPS)
-               ::WinReleasePS(hPS);
+               ::WinReleasePS(*phPS);
            return;
         }
     }
-
+    else
+        *pflId = 1L;
     //
     // Release and delete the current font
     //
-    ::GpiSetCharSet(hPS, LCID_DEFAULT);/* release the font before deleting */
-    ::GpiDeleteSetId(hPS, 1L);         /* delete the logical font          */
+    ::GpiSetCharSet(*phPS, LCID_DEFAULT);/* release the font before deleting */
+    ::GpiDeleteSetId(*phPS, 1L);         /* delete the logical font          */
 
     //
     // Now build a facestring
@@ -400,7 +434,7 @@ void wxFillLogFont(
 
     strcpy(zFacename, pFattrs->szFacename);
 
-    if(::GpiQueryFaceString( hPS
+    if(::GpiQueryFaceString( *phPS
                             ,zFacename
                             ,pFaceName
                             ,FACESIZE
@@ -409,7 +443,8 @@ void wxFillLogFont(
     {
         vError = ::WinGetLastError(vHabmain);
     }
-    sFaceName = zFacename;
+    sFaceName = (wxChar*)zFacename;
+    *pbInternalPS = bInternalPS;
 
     //
     // That's it, we now have everything we need to actually create the font
@@ -425,18 +460,13 @@ void wxOS2SelectMatchingFontByName(
 )
 {
     int                             i;
-    int                             nDiff0;
     int                             nPointSize;
-    int                             nDiff;
     int                             nIs;
-    int                             nIndex;
-    int                             nMinDiff;
     int                             nMinDiff0;
-    int                             nApirc;
     int                             anDiff[16];
     int                             anMinDiff[16];
-    STR8                            zFn;
-    char                            zFontFaceName[FACESIZE];
+    int                             nIndex = 0;
+    wxChar                          zFontFaceName[FACESIZE];
     wxString                        sFaceName;
     USHORT                          usWeightClass;
     int                             fsSelection = 0;
@@ -448,26 +478,32 @@ void wxOS2SelectMatchingFontByName(
     switch (pFont->GetFamily())
     {
         case wxSCRIPT:
-            sFaceName = wxT("Script");
+            sFaceName = wxT("Tms Rmn");
             break;
 
         case wxDECORATIVE:
+            sFaceName = wxT("WarpSans");
+            break;
+
         case wxROMAN:
-            sFaceName = wxT("Times New Roman");
+            sFaceName = wxT("Tms Rmn");
             break;
 
         case wxTELETYPE:
-        case wxMODERN:
             sFaceName = wxT("Courier") ;
             break;
 
+        case wxMODERN:
+            sFaceName = wxT("System VIO") ;
+            break;
+
         case wxSWISS:
-            sFaceName = wxT("WarpSans") ;
+            sFaceName = wxT("Helv") ;
             break;
 
         case wxDEFAULT:
         default:
-            sFaceName = wxT("Helv") ;
+            sFaceName = wxT("System VIO") ;
     }
 
     switch (pFont->GetWeight())
@@ -513,7 +549,7 @@ void wxOS2SelectMatchingFontByName(
             break;
     }
 
-    wxStrncpy(zFontFaceName, sFaceName.c_str(), WXSIZEOF(zFontFaceName));
+    wxStrlcpy(zFontFaceName, sFaceName.c_str(), WXSIZEOF(zFontFaceName));
     nPointSize = pFont->GetPointSize();
 
     //
@@ -525,7 +561,7 @@ void wxOS2SelectMatchingFontByName(
         int                         nEmHeight = 0;
         int                         nXHeight = 0;
 
-        anDiff[0] = wxGpiStrcmp(pFM[i].szFamilyname, zFontFaceName);
+        anDiff[0] = wxGpiStrcmp((wxChar*)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);
@@ -593,35 +629,25 @@ void wxOS2SelectMatchingFontByName(
     //
     // Fill in the FATTRS with the best match from FONTMETRICS
     //
-    pFattrs->usRecordLength = sizeof(FATTRS);            // sets size of structure
-    pFattrs->fsSelection    = pFM[nIndex].fsSelection; // uses default selection
-    pFattrs->lMatch         = pFM[nIndex].lMatch;      // force match
-    pFattrs->idRegistry     = pFM[nIndex].idRegistry;  // uses default registry
-    pFattrs->usCodePage     = pFM[nIndex].usCodePage;  // code-page
-    if(pFM[nIndex].lMatch)
-    {
-        pFattrs->lMaxBaselineExt = pFM[nIndex].lMaxBaselineExt; // requested font height
-        pFattrs->lAveCharWidth   = pFM[nIndex].lAveCharWidth ;  // requested font width
-    }
+    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((wxChar*)pFattrs->szFacename, (wxChar*)pFM[nIndex].szFacename);
+    if (pFont->GetWeight() == wxNORMAL)
+        pFattrs->fsSelection = 0;
     else
-    {
-        pFattrs->lMaxBaselineExt = 0;
-        pFattrs->lAveCharWidth   = 0;
-    }
-    pFattrs->fsType    = 0;// pfm->fsType;              /* uses default type       */
-    pFattrs->fsFontUse = 0;
+        pFattrs->fsSelection = FATTR_SEL_BOLD;
 
-    wxStrcpy(pFattrs->szFacename, pFM[nIndex].szFacename);
-    // Debug
-    strcpy(zFontFaceName, pFM[nIndex].szFacename);
-    strcpy(zFontFaceName, pFattrs->szFacename);
+    if (pFont->GetStyle() == wxITALIC || pFont->GetStyle() == wxSLANT)
+        pFattrs->fsSelection |= FATTR_SEL_ITALIC;
 
-    if(usWeightClass >= FWEIGHT_BOLD)
-        pFattrs->fsSelection |= FATTR_SEL_BOLD;
-    if(pFont->GetUnderlined())
+    if (pFont->GetUnderlined())
         pFattrs->fsSelection |= FATTR_SEL_UNDERSCORE;
-    if(fsSelection & FM_SEL_ITALIC)
-        pFattrs->fsSelection |= FATTR_SEL_ITALIC;
 } // end of wxOS2SelectMatchingFontByName
 
 wxFont wxCreateFontFromLogFont(
@@ -630,115 +656,17 @@ 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;
+    wxNativeFontInfo                vInfo;
 
-    //
-    // 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;
-    }
-
-    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(
-  char*                             s0
-, char*                             s1
+  wxChar*                           s0
+, wxChar*                           s1
 )
 {   int                             l0;
     int                             l1;
@@ -759,8 +687,8 @@ int wxGpiStrcmp(
     else if(s1 == NULL)
         return 32;
 
-    l0 = strlen(s0);
-    l1 = strlen(s1);
+    l0 = wxStrlen(s0);
+    l1 = wxStrlen(s1);
     l  = l0;
     if(l0 != l1)
     {
@@ -773,11 +701,10 @@ int wxGpiStrcmp(
         d = s0[i]-s1[i];
         if(!d)
             continue;
-        d1 = toupper(s0[i]) - toupper(s1[i]);
+        d1 = wxToupper(s0[i]) - wxToupper(s1[i]);
         if(!d1)
             continue;
         rc += abs(d);
     }
     return rc;
 }
-