X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/9a6be59a80461adb9e7c4bc7754d6a0b1a8c708d..8be97d65a6675eeaf0529dbb55f66d0eb5c5214f:/src/generic/dcpsg.cpp diff --git a/src/generic/dcpsg.cpp b/src/generic/dcpsg.cpp index ebd8b8c109..f592a769c8 100644 --- a/src/generic/dcpsg.cpp +++ b/src/generic/dcpsg.cpp @@ -44,11 +44,6 @@ #include -#ifdef __WXGTK__ -#include "gdk/gdk.h" -#include "gtk/gtk.h" -#endif - #ifdef __WXMSW__ #ifdef DrawText @@ -340,12 +335,13 @@ bool wxPostScriptDC::PrinterDialog(wxWindow *parent) } else if ((m_filename == "") && (wxThePrintSetupData->GetPrinterMode() == PS_FILE)) { - char *file = wxSaveFileSelector (_("PostScript"), "ps"); - if (!file) + wxString file = wxSaveFileSelector (_("PostScript"), "ps"); + if ( file.IsEmpty() ) { m_ok = FALSE; return FALSE; } + wxThePrintSetupData->SetPrinterFile(file); m_filename = file; m_ok = TRUE; @@ -759,7 +755,7 @@ void wxPostScriptDC::DrawEllipse (long x, long y, long width, long height) } } -void wxPostScriptDC::DrawIcon (const wxIcon& icon, long x, long y) +void wxPostScriptDC::DrawIcon( const wxIcon& icon, long x, long y ) { DrawBitmap( icon, x, y, TRUE ); } @@ -818,7 +814,7 @@ void wxPostScriptDC::DrawBitmap( const wxBitmap& bitmap, long x, long y, bool WX } -void wxPostScriptDC::SetFont (const wxFont& font) +void wxPostScriptDC::SetFont( const wxFont& font ) { wxCHECK_RET( m_ok && m_pstream, "invalid postscript dc" ); @@ -826,94 +822,85 @@ void wxPostScriptDC::SetFont (const wxFont& font) m_font = font; -#ifdef __WXGTK__ - char *name = wxTheFontNameDirectory->GetPostScriptName( m_font.GetFamily(), - m_font.GetWeight(), - m_font.GetStyle() ); - if (!name) name = "Times-Roman"; - - *m_pstream << "/" << name << " reencodeISO def\n" - << "/" << name << " findfont\n" - << YLOG2DEVREL(font.GetPointSize()) - << " scalefont setfont\n"; -#else - char buf[100]; - const char *name; - const char *style = ""; - int Style = m_font.GetStyle (); - int Weight = m_font.GetWeight (); - - switch (m_font.GetFamily ()) - { - case wxTELETYPE: - case wxMODERN: - name = "/Courier"; - break; - case wxSWISS: - name = "/Helvetica"; - break; - case wxROMAN: -// name = "/Times-Roman"; - name = "/Times"; // Altered by EDZ - break; - case wxSCRIPT: - name = "/Zapf-Chancery-MediumItalic"; - Style = wxNORMAL; - Weight = wxNORMAL; - break; - default: - case wxDEFAULT: // Sans Serif Font - name = "/LucidaSans"; - } - - if (Style == wxNORMAL && (Weight == wxNORMAL || Weight == wxLIGHT)) + const char *name; + const char *style = ""; + int Style = m_font.GetStyle(); + int Weight = m_font.GetWeight(); + + switch (m_font.GetFamily ()) + { + case wxTELETYPE: + case wxMODERN: + name = "/Courier"; + break; + case wxSWISS: + name = "/Helvetica"; + break; + case wxROMAN: +// name = "/Times-Roman"; + name = "/Times"; // Altered by EDZ + break; + case wxSCRIPT: + name = "/Zapf-Chancery-MediumItalic"; + Style = wxNORMAL; + Weight = wxNORMAL; + break; + default: + case wxDEFAULT: // Sans Serif Font + name = "/LucidaSans"; + } + + if (Style == wxNORMAL && (Weight == wxNORMAL || Weight == wxLIGHT)) { if (m_font.GetFamily () == wxROMAN) style = "-Roman"; else style = ""; } - else if (Style == wxNORMAL && Weight == wxBOLD) - style = "-Bold"; - - else if (Style == wxITALIC && (Weight == wxNORMAL || Weight == wxLIGHT)) + else if (Style == wxNORMAL && Weight == wxBOLD) + { + style = "-Bold"; + } + else if (Style == wxITALIC && (Weight == wxNORMAL || Weight == wxLIGHT)) { if (m_font.GetFamily () == wxROMAN) style = "-Italic"; else style = "-Oblique"; } - else if (Style == wxITALIC && Weight == wxBOLD) + else if (Style == wxITALIC && Weight == wxBOLD) { if (m_font.GetFamily () == wxROMAN) style = "-BoldItalic"; else style = "-BoldOblique"; } - else if (Style == wxSLANT && (Weight == wxNORMAL || Weight == wxLIGHT)) + else if (Style == wxSLANT && (Weight == wxNORMAL || Weight == wxLIGHT)) { if (m_font.GetFamily () == wxROMAN) style = "-Italic"; else style = "-Oblique"; } - else if (Style == wxSLANT && Weight == wxBOLD) + else if (Style == wxSLANT && Weight == wxBOLD) { if (m_font.GetFamily () == wxROMAN) style = "-BoldItalic"; else style = "-BoldOblique"; } - else - style = ""; + else + { + style = ""; + } - strcpy (buf, name); - strcat (buf, style); - *m_pstream << buf << " findfont\n"; - // *m_pstream << (m_font.GetPointSize() * m_scaleFactor) << " scalefont setfont\n"; - // No scale factor in this implementation? - *m_pstream << (m_font.GetPointSize()) << " scalefont setfont\n"; -#endif + char buf[100]; + strcpy (buf, name); + strcat (buf, style); + + *m_pstream << buf << " reencodeISO def\n"; + *m_pstream << buf << " findfont\n"; + *m_pstream << YLOG2DEVREL(m_font.GetPointSize()) << " scalefont setfont\n"; } void wxPostScriptDC::SetPen( const wxPen& pen ) @@ -1455,21 +1442,20 @@ void wxPostScriptDC::StartPage () m_logicalOriginX = 0; m_logicalOriginY = 0; */ + // Output scaling + long translate_x, translate_y; + double scale_x, scale_y; + wxThePrintSetupData->GetPrinterTranslation(&translate_x, &translate_y); + wxThePrintSetupData->GetPrinterScaling(&scale_x, &scale_y); - // Output scaling - long translate_x, translate_y; - double scale_x, scale_y; - wxThePrintSetupData->GetPrinterTranslation(&translate_x, &translate_y); - wxThePrintSetupData->GetPrinterScaling(&scale_x, &scale_y); + if (wxThePrintSetupData->GetPrinterOrientation() == PS_LANDSCAPE) + { + translate_y -= m_maxY; + *m_pstream << "90 rotate\n"; + } - if (wxThePrintSetupData->GetPrinterOrientation() == PS_LANDSCAPE) - { - translate_y -= m_maxY; - *m_pstream << "90 rotate\n"; - } - - *m_pstream << scale_x << " " << scale_y << " scale\n"; - *m_pstream << translate_x << " " << translate_y << " translate\n"; + *m_pstream << scale_x << " " << scale_y << " scale\n"; + *m_pstream << translate_x << " " << translate_y << " translate\n"; } void wxPostScriptDC::EndPage () @@ -1479,20 +1465,32 @@ void wxPostScriptDC::EndPage () *m_pstream << "showpage\n"; } -bool wxPostScriptDC::Blit( long WXUNUSED(xdest), long WXUNUSED(ydest), - long WXUNUSED(fwidth), long WXUNUSED(fheight), - wxDC *WXUNUSED(source), - long WXUNUSED(xsrc), long WXUNUSED(ysrc), - int WXUNUSED(rop), bool WXUNUSED(useMask) ) +bool wxPostScriptDC::Blit( long xdest, long ydest, + long fwidth, long fheight, + wxDC *source, + long xsrc, long ysrc, + int rop, bool WXUNUSED(useMask) ) { wxCHECK_MSG( m_ok && m_pstream, FALSE, "invalid postscript dc" ); - wxFAIL_MSG( "wxPostScriptDC::Blit no yet implemented." ); + wxCHECK_MSG( source, FALSE, "invalid source dc" ); + + /* blit into a bitmap */ + + wxBitmap bitmap( fwidth, fheight ); + wxMemoryDC memDC; + memDC.SelectObject(bitmap); + memDC.Blit(0, 0, fwidth, fheight, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */ + memDC.SelectObject(wxNullBitmap); + + /* draw bitmap. scaling and positioning is done there */ + + DrawBitmap( bitmap, xdest, ydest ); return TRUE; } -long wxPostScriptDC::GetCharHeight () +long wxPostScriptDC::GetCharHeight() { if (m_font.Ok()) return m_font.GetPointSize(); @@ -1500,273 +1498,298 @@ long wxPostScriptDC::GetCharHeight () return 12; } -void wxPostScriptDC::GetTextExtent (const wxString& string, long *x, long *y, - long *descent, long *externalLeading, wxFont *theFont, - bool WXUNUSED(use16)) +void wxPostScriptDC::GetTextExtent( const wxString& string, long *x, long *y, + long *descent, long *externalLeading, wxFont *theFont, + bool WXUNUSED(use16) ) { -// if (!m_pstream) return; - - wxFont *fontToUse = theFont; + wxFont *fontToUse = theFont; - if (!fontToUse) fontToUse = (wxFont*) &m_font; + if (!fontToUse) fontToUse = (wxFont*) &m_font; + + wxCHECK_RET( fontToUse, "GetTextExtent: no font defined" ); + wxCHECK_RET( x, "GetTextExtent: x == NULL" ); + wxCHECK_RET( y, "GetTextExtent: y == NULL" ); #if !USE_AFM_FOR_POSTSCRIPT - // Provide a VERY rough estimate (avoid using it) - // Chris Breeze 5/11/97: produces accurate results for mono-spaced - // font such as Courier (aka wxMODERN) + /* Provide a VERY rough estimate (avoid using it). + * Produces accurate results for mono-spaced font + * such as Courier (aka wxMODERN) */ + int height = 12; if (fontToUse) { - height = fontToUse->GetPointSize(); + height = fontToUse->GetPointSize(); } *x = strlen (string) * height * 72 / 120; - *y = (long) (height * 1.32); // allow for descender - - if (descent) - *descent = 0; - if (externalLeading) - *externalLeading = 0; + *y = (long) (height * 1.32); /* allow for descender */ + if (descent) *descent = 0; + if (externalLeading) *externalLeading = 0; #else - // +++++ start of contributed code +++++ - - // ************************************************************ - // method for calculating string widths in postscript: - // read in the AFM (adobe font metrics) file for the - // actual font, parse it and extract the character widths - // and also the descender. this may be improved, but for now - // it works well. the AFM file is only read in if the - // font is changed. this may be chached in the future. - // calls to GetTextExtent with the font unchanged are rather - // efficient!!! - // - // for each font and style used there is an AFM file necessary. - // currently i have only files for the roman font family. - // i try to get files for the other ones! - // - // CAVE: the size of the string is currently always calculated - // in 'points' (1/72 of an inch). this should later on be - // changed to depend on the mapping mode. - // CAVE: the path to the AFM files must be set before calling this - // function. this is usually done by a call like the following: - // wxSetAFMPath("d:\\wxw161\\afm\\"); - // - // example: - // - // wxPostScriptDC dc(NULL, TRUE); - // if (dc.Ok()){ - // wxSetAFMPath("d:\\wxw161\\afm\\"); - // dc.StartDoc("Test"); - // dc.StartPage(); - // long w,h; - // dc.SetFont(new wxFont(10, wxROMAN, wxNORMAL, wxNORMAL)); - // dc.GetTextExtent("Hallo",&w,&h); - // dc.EndPage(); - // dc.EndDoc(); - // } - // - // by steve (stefan.hammes@urz.uni-heidelberg.de) - // created: 10.09.94 - // updated: 14.05.95 - - assert(fontToUse && "void wxPostScriptDC::GetTextExtent: no font defined"); - assert(x && "void wxPostScriptDC::GetTextExtent: x == NULL"); - assert(y && "void wxPostScriptDC::GetTextExtent: y == NULL"); - - // these static vars are for storing the state between calls - static int lastFamily= INT_MIN; - static int lastSize= INT_MIN; - static int lastStyle= INT_MIN; - static int lastWeight= INT_MIN; - static int lastDescender = INT_MIN; - static int lastWidths[256]; // widths of the characters - - // get actual parameters - const int Family = fontToUse->GetFamily(); - const int Size = fontToUse->GetPointSize(); - const int Style = fontToUse->GetStyle(); - const int Weight = fontToUse->GetWeight(); - - // if we have another font, read the font-metrics - if(Family!=lastFamily||Size!=lastSize||Style!=lastStyle||Weight!=lastWeight){ - // store actual values - lastFamily = Family; - lastSize = Size; - lastStyle = Style; - lastWeight = Weight; - - // read in new font metrics ************************************** - - // 1. construct filename ****************************************** - /* MATTHEW: [2] Use wxTheFontNameDirectory */ - const char *name; - // Julian - we'll need to do this a different way now we've removed the - // font directory system. Must find Stefan's original code. - - name = wxTheFontNameDirectory->GetAFMName(Family, Weight, Style); - if (!name) - name = "unknown"; - - // get the directory of the AFM files - char afmName[256]; - afmName[0] = 0; - if (wxGetAFMPath()) - strcpy(afmName,wxGetAFMPath()); - - // 2. open and process the file ********************************** - - // a short explanation of the AFM format: - // we have for each character a line, which gives its size - // e.g.: - // - // C 63 ; WX 444 ; N question ; B 49 -14 395 676 ; - // - // that means, we have a character with ascii code 63, and width - // (444/1000 * fontSize) points. - // the other data is ignored for now! - // - // when the font has changed, we read in the right AFM file and store the - // character widths in an array, which is processed below (see point 3.). - - // new elements JC Sun Aug 25 23:21:44 MET DST 1996 - - - strcat(afmName,name); - strcat(afmName,".afm"); - FILE *afmFile = fopen(afmName,"r"); - if(afmFile==NULL){ - wxLogDebug("GetTextExtent: can't open AFM file '%s'\n",afmName); - wxLogDebug(" using approximate values\n"); - int i; - for (i=0; i<256; i++) lastWidths[i] = 500; // an approximate value - lastDescender = -150; // dito. - }else{ - int i; - // init the widths array - for(i=0; i<256; i++) lastWidths[i]= INT_MIN; - // some variables for holding parts of a line - char cString[10],semiString[10],WXString[10],descString[20]; - char upString[30], utString[30], encString[50]; - char line[256]; - int ascii,cWidth; - // read in the file and parse it - while(fgets(line,sizeof(line),afmFile)!=NULL){ - // A.) check for descender definition - if(strncmp(line,"Descender",9)==0){ - if((sscanf(line,"%s%d",descString,&lastDescender)!=2) - || (strcmp(descString,"Descender")!=0)) { - wxLogDebug("AFM-file '%s': line '%s' has error (bad descender)\n", - afmName,line); - } - } - // JC 1.) check for UnderlinePosition - else if(strncmp(line,"UnderlinePosition",17)==0){ - if((sscanf(line,"%s%lf",upString,&UnderlinePosition)!=2) - || (strcmp(upString,"UnderlinePosition")!=0)) { - wxLogDebug("AFM-file '%s': line '%s' has error (bad UnderlinePosition)\n", - afmName,line); - } + /* method for calculating string widths in postscript: + / read in the AFM (adobe font metrics) file for the + / actual font, parse it and extract the character widths + / and also the descender. this may be improved, but for now + / it works well. the AFM file is only read in if the + / font is changed. this may be chached in the future. + / calls to GetTextExtent with the font unchanged are rather + / efficient!!! + / + / for each font and style used there is an AFM file necessary. + / currently i have only files for the roman font family. + / I try to get files for the other ones! + / + / CAVE: the size of the string is currently always calculated + / in 'points' (1/72 of an inch). this should later on be + / changed to depend on the mapping mode. + / CAVE: the path to the AFM files must be set before calling this + / function. this is usually done by a call like the following: + / wxSetAFMPath("d:\\wxw161\\afm\\"); + / + / example: + / + / wxPostScriptDC dc(NULL, TRUE); + / if (dc.Ok()){ + / wxSetAFMPath("d:\\wxw161\\afm\\"); + / dc.StartDoc("Test"); + / dc.StartPage(); + / long w,h; + / dc.SetFont(new wxFont(10, wxROMAN, wxNORMAL, wxNORMAL)); + / dc.GetTextExtent("Hallo",&w,&h); + / dc.EndPage(); + / dc.EndDoc(); + / } + / + / by steve (stefan.hammes@urz.uni-heidelberg.de) + / created: 10.09.94 + / updated: 14.05.95 */ + + /* these static vars are for storing the state between calls */ + static int lastFamily= INT_MIN; + static int lastSize= INT_MIN; + static int lastStyle= INT_MIN; + static int lastWeight= INT_MIN; + static int lastDescender = INT_MIN; + static int lastWidths[256]; /* widths of the characters */ + + /* get actual parameters */ + const int Family = fontToUse->GetFamily(); + const int Size = fontToUse->GetPointSize(); + const int Style = fontToUse->GetStyle(); + const int Weight = fontToUse->GetWeight(); + + /* if we have another font, read the font-metrics */ + if (Family!=lastFamily || Size!=lastSize || Style!=lastStyle || Weight!=lastWeight) + { + /* store actual values */ + lastFamily = Family; + lastSize = Size; + lastStyle = Style; + lastWeight = Weight; + + char *name = (char*) NULL; + + switch (Family) + { + case wxMODERN: + { + if ((Style == wxITALIC) && (Weight == wxBOLD)) name = "CourBoO"; + else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = "CourBo"; + else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = "Cour0"; + else name = "Cour"; + } + break; + case wxROMAN: + { + if ((Style == wxITALIC) && (Weight == wxBOLD)) name = "TimesBoO"; + else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = "TimesBo"; + else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = "TimesO"; + else if name = "TimesRo"; /* no typo */ + } + break; + default: + { + if ((Style == wxITALIC) && (Weight == wxBOLD)) name = "HelvBoO"; + else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = "HelvBo"; + else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = "Helv0"; + else name = "Helv"; + } + break; + } + + /* get the directory of the AFM files */ + char afmName[256]; + afmName[0] = 0; + if (wxGetAFMPath()) strcpy( afmName, wxGetAFMPath() ); + + /* 2. open and process the file + / a short explanation of the AFM format: + / we have for each character a line, which gives its size + / e.g.: + / + / C 63 ; WX 444 ; N question ; B 49 -14 395 676 ; + / + / that means, we have a character with ascii code 63, and width + / (444/1000 * fontSize) points. + / the other data is ignored for now! + / + / when the font has changed, we read in the right AFM file and store the + / character widths in an array, which is processed below (see point 3.). */ + + /* new elements JC Sun Aug 25 23:21:44 MET DST 1996 */ + + strcat(afmName,name); + strcat(afmName,".afm"); + FILE *afmFile = fopen(afmName,"r"); + if ( afmFile==NULL ) + { + wxLogDebug( "GetTextExtent: can't open AFM file '%s'\n", afmName ); + wxLogDebug( " using approximate values\n"); + for (int i=0; i<256; i++) lastWidths[i] = 500; /* an approximate value */ + lastDescender = -150; /* dito. */ } - // JC 2.) check for UnderlineThickness - else if(strncmp(line,"UnderlineThickness",18)==0){ - if((sscanf(line,"%s%lf",utString,&UnderlineThickness)!=2) - || (strcmp(utString,"UnderlineThickness")!=0)) { - wxLogDebug("AFM-file '%s': line '%s' has error (bad UnderlineThickness)\n", - afmName,line); - } + else + { + /* init the widths array */ + for(int i=0; i<256; i++) lastWidths[i] = INT_MIN; + /* some variables for holding parts of a line */ + char cString[10],semiString[10],WXString[10],descString[20]; + char upString[30], utString[30], encString[50]; + char line[256]; + int ascii,cWidth; + /* read in the file and parse it */ + while(fgets(line,sizeof(line),afmFile)!=NULL) + { + /* A.) check for descender definition */ + if (strncmp(line,"Descender",9)==0) + { + if ((sscanf(line,"%s%d",descString,&lastDescender)!=2) || + (strcmp(descString,"Descender")!=0)) + { + wxLogDebug( "AFM-file '%s': line '%s' has error (bad descender)\n", afmName,line ); + } + } + /* JC 1.) check for UnderlinePosition */ + else if(strncmp(line,"UnderlinePosition",17)==0) + { + if ((sscanf(line,"%s%lf",upString,&UnderlinePosition)!=2) || + (strcmp(upString,"UnderlinePosition")!=0)) + { + wxLogDebug( "AFM-file '%s': line '%s' has error (bad UnderlinePosition)\n", afmName, line ); + } + } + /* JC 2.) check for UnderlineThickness */ + else if(strncmp(line,"UnderlineThickness",18)==0) + { + if ((sscanf(line,"%s%lf",utString,&UnderlineThickness)!=2) || + (strcmp(utString,"UnderlineThickness")!=0)) + { + wxLogDebug( "AFM-file '%s': line '%s' has error (bad UnderlineThickness)\n", afmName, line ); + } + } + /* JC 3.) check for EncodingScheme */ + else if(strncmp(line,"EncodingScheme",14)==0) + { + if ((sscanf(line,"%s%s",utString,encString)!=2) || + (strcmp(utString,"EncodingScheme")!=0)) + { + wxLogDebug("AFM-file '%s': line '%s' has error (bad EncodingScheme)\n", afmName, line ); + } + else if (strncmp(encString, "AdobeStandardEncoding", 21)) + { + wxLogDebug( "AFM-file '%s': line '%s' has error (unsupported EncodingScheme %s)\n", + afmName,line, encString); + } + } + /* B.) check for char-width */ + else if(strncmp(line,"C ",2)==0) + { + if (sscanf(line,"%s%d%s%s%d",cString,&ascii,semiString,WXString,&cWidth)!=5) + { + wxLogDebug("AFM-file '%s': line '%s' has an error (bad character width)\n",afmName,line); + } + if(strcmp(cString,"C")!=0 || strcmp(semiString,";")!=0 || strcmp(WXString,"WX")!=0) + { + wxLogDebug("AFM-file '%s': line '%s' has a format error\n",afmName,line); + } + /* printf(" char '%c'=%d has width '%d'\n",ascii,ascii,cWidth); */ + if (ascii>=0 && ascii<256) + { + lastWidths[ascii] = cWidth; /* store width */ + } + else + { + /* MATTHEW: this happens a lot; don't print an error */ + /* wxLogDebug("AFM-file '%s': ASCII value %d out of range\n",afmName,ascii); */ + } + } + /* C.) ignore other entries. */ + } + fclose(afmFile); } - // JC 3.) check for EncodingScheme - else if(strncmp(line,"EncodingScheme",14)==0){ - if((sscanf(line,"%s%s",utString,encString)!=2) - || (strcmp(utString,"EncodingScheme")!=0)) { - wxLogDebug("AFM-file '%s': line '%s' has error (bad EncodingScheme)\n", - afmName,line); - } - else if (strncmp(encString, "AdobeStandardEncoding", 21)) - { - wxLogDebug("AFM-file '%s': line '%s' has error (unsupported EncodingScheme %s)\n", - afmName,line, encString); - } + /* hack to compute correct values for german 'Umlaute' + / the correct way would be to map the character names + / like 'adieresis' to corresp. positions of ISOEnc and read + / these values from AFM files, too. Maybe later ... */ + lastWidths[196] = lastWidths['A']; // Ä + lastWidths[228] = lastWidths['a']; // ä + lastWidths[214] = lastWidths['O']; // Ö + lastWidths[246] = lastWidths['o']; // ö + lastWidths[220] = lastWidths['U']; // Ü + lastWidths[252] = lastWidths['u']; // ü + lastWidths[223] = lastWidths[251]; // ß + } + + /* JC: calculate UnderlineThickness/UnderlinePosition */ + m_underlinePosition = m_underlinePosition * fontToUse->GetPointSize() / 1000.0f; + m_underlineThickness = m_underlineThickness * fontToUse->GetPointSize() / 1000.0f * m_scaleFactor; + + /* 3. now the font metrics are read in, calc size this + / is done by adding the widths of the characters in the + / string. they are given in 1/1000 of the size! */ + + long widthSum=0; + long height=Size; /* by default */ + unsigned char *p; + for(p=(unsigned char *)(const char *)string; *p; p++) + { + if(lastWidths[*p]== INT_MIN) + { + wxLogDebug("GetTextExtent: undefined width for character '%c' (%d)\n", *p,*p); + widthSum += (long)(lastWidths[' ']/1000.0F * Size); /* assume space */ } - // B.) check for char-width - else if(strncmp(line,"C ",2)==0){ - if(sscanf(line,"%s%d%s%s%d", - cString,&ascii,semiString,WXString,&cWidth)!=5){ - wxLogDebug("AFM-file '%s': line '%s' has an error (bad character width)\n",afmName,line); - } - if(strcmp(cString,"C")!=0 || strcmp(semiString,";")!=0 || - strcmp(WXString,"WX")!=0){ - wxLogDebug("AFM-file '%s': line '%s' has a format error\n",afmName,line); - } - //printf(" char '%c'=%d has width '%d'\n",ascii,ascii,cWidth); - if(ascii>=0 && ascii<256){ - lastWidths[ascii] = cWidth; // store width - }else{ - /* MATTHEW: this happens a lot; don't print an error */ - // wxLogDebug("AFM-file '%s': ASCII value %d out of range\n",afmName,ascii); - } + else + { + widthSum += (long)((lastWidths[*p]/1000.0F)*Size); } - // C.) ignore other entries. - } - fclose(afmFile); - } - // hack to compute correct values for german 'Umlaute' - // the correct way would be to map the character names - // like 'adieresis' to corresp. positions of ISOEnc and read - // these values from AFM files, too. Maybe later ... - lastWidths[196] = lastWidths['A']; // Ä - lastWidths[228] = lastWidths['a']; // ä - lastWidths[214] = lastWidths['O']; // Ö - lastWidths[246] = lastWidths['o']; // ö - lastWidths[220] = lastWidths['U']; // Ü - lastWidths[252] = lastWidths['u']; // ü - lastWidths[223] = lastWidths[251]; // ß - } - - // JC: calculate UnderlineThickness/UnderlinePosition - m_underlinePosition = m_underlinePosition * fontToUse->GetPointSize() / 1000.0f; - m_underlineThickness = m_underlineThickness * fontToUse->GetPointSize() / 1000.0f * m_scaleFactor; - - // 3. now the font metrics are read in, calc size ******************* - // this is done by adding the widths of the characters in the - // string. they are given in 1/1000 of the size! - - long widthSum=0; - long height=Size; // by default - unsigned char *p; - for(p=(unsigned char *)(const char *)string; *p; p++){ - if(lastWidths[*p]== INT_MIN){ - wxLogDebug("GetTextExtent: undefined width for character '%c' (%d)\n", - *p,*p); - widthSum += (long)(lastWidths[' ']/1000.0F * Size); // assume space - }else{ - widthSum += (long)((lastWidths[*p]/1000.0F)*Size); } - } - // add descender to height (it is usually a negative value) - if(lastDescender!=INT_MIN){ - height += (long)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */ - } + + /* add descender to height (it is usually a negative value) */ + if (lastDescender!=INT_MIN) + { + height += (long)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */ + } - // return size values - *x = widthSum; - *y = height; + /* return size values */ + *x = widthSum; + *y = height; - // return other parameters - if (descent){ - if(lastDescender!=INT_MIN){ - *descent = (long)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */ - }else{ - *descent = 0; + /* return other parameters */ + if (descent) + { + if(lastDescender!=INT_MIN) + { + *descent = (long)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */ + } + else + { + *descent = 0; + } } - } - // currently no idea how to calculate this! - // if (externalLeading) *externalLeading = 0; - if (externalLeading) - *externalLeading = 0; + /* currently no idea how to calculate this! */ + if (externalLeading) *externalLeading = 0; - // ----- end of contributed code ----- #endif }