///////////////////////////////////////////////////////////////////////////// // Name: dcps.cpp // Purpose: wxPostScriptDC implementation // Author: Julian Smart, Robert Roebling, Markus Holzhem // Modified by: // Created: 04/01/98 // RCS-ID: $Id$ // Copyright: (c) Julian Smart and Markus Holzem // Licence: wxWindows license ///////////////////////////////////////////////////////////////////////////// #ifdef __GNUG__ #pragma implementation #pragma interface #endif #include "wx/postscrp.h" #include "wx/dcmemory.h" #include "wx/utils.h" #include "wx/intl.h" #include "wx/filedlg.h" #include "wx/app.h" #include "wx/msgdlg.h" #include "wx/image.h" #include "wx/log.h" #include "gdk/gdk.h" #include "gtk/gtk.h" //----------------------------------------------------------------------------- // start and end of document/page //----------------------------------------------------------------------------- static const char *wxPostScriptHeaderEllipse = "\ /ellipsedict 8 dict def\n\ ellipsedict /mtrx matrix put\n\ /ellipse {\n\ ellipsedict begin\n\ /endangle exch def\n\ /startangle exch def\n\ /yrad exch def\n\ /xrad exch def\n\ /y exch def\n\ /x exch def\n\ /savematrix mtrx currentmatrix def\n\ x y translate\n\ xrad yrad scale\n\ 0 0 1 startangle endangle arc\n\ savematrix setmatrix\n\ end\n\ } def\n\ "; static const char *wxPostScriptHeaderEllipticArc= "\ /ellipticarcdict 8 dict def\n\ ellipticarcdict /mtrx matrix put\n\ /ellipticarc\n\ { ellipticarcdict begin\n\ /do_fill exch def\n\ /endangle exch def\n\ /startangle exch def\n\ /yrad exch def\n\ /xrad exch def \n\ /y exch def\n\ /x exch def\n\ /savematrix mtrx currentmatrix def\n\ x y translate\n\ xrad yrad scale\n\ do_fill { 0 0 moveto } if\n\ 0 0 1 startangle endangle arc\n\ savematrix setmatrix\n\ do_fill { fill }{ stroke } ifelse\n\ end\n\ } def\n"; static const char *wxPostScriptHeaderSpline = "\ /DrawSplineSection {\n\ /y3 exch def\n\ /x3 exch def\n\ /y2 exch def\n\ /x2 exch def\n\ /y1 exch def\n\ /x1 exch def\n\ /xa x1 x2 x1 sub 0.666667 mul add def\n\ /ya y1 y2 y1 sub 0.666667 mul add def\n\ /xb x3 x2 x3 sub 0.666667 mul add def\n\ /yb y3 y2 y3 sub 0.666667 mul add def\n\ x1 y1 lineto\n\ xa ya xb yb x3 y3 curveto\n\ } def\n\ "; static const char *wxPostScriptHeaderColourImage = "\ % define 'colorimage' if it isn't defined\n\ % ('colortogray' and 'mergeprocs' come from xwd2ps\n\ % via xgrab)\n\ /colorimage where % do we know about 'colorimage'?\n\ { pop } % yes: pop off the 'dict' returned\n\ { % no: define one\n\ /colortogray { % define an RGB->I function\n\ /rgbdata exch store % call input 'rgbdata'\n\ rgbdata length 3 idiv\n\ /npixls exch store\n\ /rgbindx 0 store\n\ 0 1 npixls 1 sub {\n\ grays exch\n\ rgbdata rgbindx get 20 mul % Red\n\ rgbdata rgbindx 1 add get 32 mul % Green\n\ rgbdata rgbindx 2 add get 12 mul % Blue\n\ add add 64 idiv % I = .5G + .31R + .18B\n\ put\n\ /rgbindx rgbindx 3 add store\n\ } for\n\ grays 0 npixls getinterval\n\ } bind def\n\ \n\ % Utility procedure for colorimage operator.\n\ % This procedure takes two procedures off the\n\ % stack and merges them into a single procedure.\n\ \n\ /mergeprocs { % def\n\ dup length\n\ 3 -1 roll\n\ dup\n\ length\n\ dup\n\ 5 1 roll\n\ 3 -1 roll\n\ add\n\ array cvx\n\ dup\n\ 3 -1 roll\n\ 0 exch\n\ putinterval\n\ dup\n\ 4 2 roll\n\ putinterval\n\ } bind def\n\ \n\ /colorimage { % def\n\ pop pop % remove 'false 3' operands\n\ {colortogray} mergeprocs\n\ image\n\ } bind def\n\ } ifelse % end of 'false' case\n\ "; static char wxPostScriptHeaderReencodeISO1[] = "\n/reencodeISO {\n" "dup dup findfont dup length dict begin\n" "{ 1 index /FID ne { def }{ pop pop } ifelse } forall\n" "/Encoding ISOLatin1Encoding def\n" "currentdict end definefont\n" "} def\n" "/ISOLatin1Encoding [\n" "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n" "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n" "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n" "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n" "/space/exclam/quotedbl/numbersign/dollar/percent/ampersand/quoteright\n" "/parenleft/parenright/asterisk/plus/comma/minus/period/slash\n" "/zero/one/two/three/four/five/six/seven/eight/nine/colon/semicolon\n" "/less/equal/greater/question/at/A/B/C/D/E/F/G/H/I/J/K/L/M/N\n" "/O/P/Q/R/S/T/U/V/W/X/Y/Z/bracketleft/backslash/bracketright\n" "/asciicircum/underscore/quoteleft/a/b/c/d/e/f/g/h/i/j/k/l/m\n" "/n/o/p/q/r/s/t/u/v/w/x/y/z/braceleft/bar/braceright/asciitilde\n" "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n" "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n" "/.notdef/dotlessi/grave/acute/circumflex/tilde/macron/breve\n" "/dotaccent/dieresis/.notdef/ring/cedilla/.notdef/hungarumlaut\n"; static char wxPostScriptHeaderReencodeISO2[] = "/ogonek/caron/space/exclamdown/cent/sterling/currency/yen/brokenbar\n" "/section/dieresis/copyright/ordfeminine/guillemotleft/logicalnot\n" "/hyphen/registered/macron/degree/plusminus/twosuperior/threesuperior\n" "/acute/mu/paragraph/periodcentered/cedilla/onesuperior/ordmasculine\n" "/guillemotright/onequarter/onehalf/threequarters/questiondown\n" "/Agrave/Aacute/Acircumflex/Atilde/Adieresis/Aring/AE/Ccedilla\n" "/Egrave/Eacute/Ecircumflex/Edieresis/Igrave/Iacute/Icircumflex\n" "/Idieresis/Eth/Ntilde/Ograve/Oacute/Ocircumflex/Otilde/Odieresis\n" "/multiply/Oslash/Ugrave/Uacute/Ucircumflex/Udieresis/Yacute\n" "/Thorn/germandbls/agrave/aacute/acircumflex/atilde/adieresis\n" "/aring/ae/ccedilla/egrave/eacute/ecircumflex/edieresis/igrave\n" "/iacute/icircumflex/idieresis/eth/ntilde/ograve/oacute/ocircumflex\n" "/otilde/odieresis/divide/oslash/ugrave/uacute/ucircumflex/udieresis\n" "/yacute/thorn/ydieresis\n" "] def\n\n"; //------------------------------------------------------------------------------- // wxPostScriptDC //------------------------------------------------------------------------------- wxPostScriptDC::wxPostScriptDC () { m_pstream = (ofstream*) NULL; m_currentRed = 0; m_currentGreen = 0; m_currentBlue = 0; m_pageNumber = 0; m_clipping = FALSE; m_underlinePosition = 0.0; m_underlineThickness = 0.0; m_signX = 1; // default x-axis left to right m_signY = -1; // default y-axis bottom up -> top down } wxPostScriptDC::wxPostScriptDC (const wxString& file, bool interactive, wxWindow *parent) { m_pstream = (ofstream*) NULL; m_currentRed = 0; m_currentGreen = 0; m_currentBlue = 0; m_pageNumber = 0; m_clipping = FALSE; m_underlinePosition = 0.0; m_underlineThickness = 0.0; m_signX = 1; // default x-axis left to right m_signY = -1; // default y-axis bottom up -> top down Create(file, interactive, parent); } bool wxPostScriptDC::Create(const wxString& file, bool interactive, wxWindow *parent) { m_isInteractive = interactive; m_title = ""; m_filename = file; #ifdef __WXMSW__ // Can only send to file in Windows wxThePrintSetupData->SetPrinterMode(PS_FILE); #endif if (m_isInteractive) { if ((m_ok = PrinterDialog (parent) ) == FALSE) return FALSE; } else { m_ok = TRUE; } return m_ok; } wxPostScriptDC::~wxPostScriptDC () { if (m_pstream) delete m_pstream; } bool wxPostScriptDC::Ok() const { return m_ok; } bool wxPostScriptDC::PrinterDialog(wxWindow *parent) { wxPostScriptPrintDialog dialog( parent, _("Printer Settings"), wxPoint(150, 150), wxSize(400, 400), wxDEFAULT_DIALOG_STYLE | wxDIALOG_MODAL ); m_ok = (dialog.ShowModal () == wxID_OK); if (!m_ok) return FALSE; if ((m_filename == "") && (wxThePrintSetupData->GetPrinterMode() == PS_PREVIEW || wxThePrintSetupData->GetPrinterMode() == PS_PRINTER)) { // steve, 05.09.94 #ifdef __VMS__ wxThePrintSetupData->SetPrinterFile("preview"); #else // For PS_PRINTER action this depends on a Unix-style print spooler // since the wx_printer_file can be destroyed during a session // @@@ TODO: a Windows-style answer for non-Unix char userId[256]; wxGetUserId (userId, sizeof (userId) / sizeof (char)); char tmp[256]; strcpy (tmp, "/tmp/preview_"); strcat (tmp, userId); wxThePrintSetupData->SetPrinterFile(tmp); #endif char tmp2[256]; strcpy(tmp2, wxThePrintSetupData->GetPrinterFile()); strcat (tmp2, ".ps"); wxThePrintSetupData->SetPrinterFile(tmp2); m_filename = tmp2; } else if ((m_filename == "") && (wxThePrintSetupData->GetPrinterMode() == PS_FILE)) { char *file = wxSaveFileSelector (_("PostScript"), "ps"); if (!file) { m_ok = FALSE; return FALSE; } wxThePrintSetupData->SetPrinterFile(file); m_filename = file; m_ok = TRUE; } return m_ok; } void wxPostScriptDC::SetClippingRegion (long x, long y, long w, long h) { wxCHECK_RET( m_ok && m_pstream, "invalid postscript dc" ); if (m_clipping) return; wxDC::SetClippingRegion( x, y, w, h ); m_clipping = TRUE; *m_pstream << "gsave\n" << "newpath\n" << XLOG2DEV(x) << " " << YLOG2DEV(y) << " moveto\n" << XLOG2DEV(x+w) << " " << YLOG2DEV(y) << " lineto\n" << XLOG2DEV(x+w) << " " << YLOG2DEV(y+h) << " lineto\n" << XLOG2DEV(x) << " " << YLOG2DEV(y+h) << " lineto\n" << "closepath clip newpath\n"; } void wxPostScriptDC::SetClippingRegion( const wxRegion &WXUNUSED(region) ) { } void wxPostScriptDC::DestroyClippingRegion() { wxCHECK_RET( m_ok && m_pstream, "invalid postscript dc" ); wxDC::DestroyClippingRegion(); if (m_clipping) { m_clipping = FALSE; *m_pstream << "grestore\n"; } } void wxPostScriptDC::Clear() { wxFAIL_MSG( "wxPostScriptDC::Clear not implemented." ); } void wxPostScriptDC::FloodFill (long WXUNUSED(x), long WXUNUSED(y), const wxColour &WXUNUSED(col), int WXUNUSED(style)) { wxFAIL_MSG( "wxPostScriptDC::FloodFill not implemented." ); } bool wxPostScriptDC::GetPixel (long WXUNUSED(x), long WXUNUSED(y), wxColour * WXUNUSED(col)) const { wxFAIL_MSG( "wxPostScriptDC::GetPixel not implemented." ); return FALSE; } void wxPostScriptDC::CrossHair (long WXUNUSED(x), long WXUNUSED(y)) { wxFAIL_MSG( "wxPostScriptDC::CrossHair not implemented." ); } void wxPostScriptDC::DrawLine (long x1, long y1, long x2, long y2) { wxCHECK_RET( m_ok && m_pstream, "invalid postscript dc" ); if (m_pen.GetStyle() == wxTRANSPARENT) return; SetPen( m_pen ); *m_pstream << "newpath\n" << XLOG2DEV(x1) << " " << YLOG2DEV (y1) << " moveto\n" << XLOG2DEV(x2) << " " << YLOG2DEV (y2) << " lineto\n" << "stroke\n"; CalcBoundingBox( x1, y1 ); CalcBoundingBox( x2, y2 ); } #define RAD2DEG 57.29577951308 void wxPostScriptDC::DrawArc (long x1, long y1, long x2, long y2, long xc, long yc) { wxCHECK_RET( m_ok && m_pstream, "invalid postscript dc" ); long dx = x1 - xc; long dy = y1 - yc; long radius = (long) sqrt(dx*dx+dy*dy); double alpha1, alpha2; if (x1 == x2 && y1 == y2) { alpha1 = 0.0; alpha2 = 360.0; } else if (radius == 0.0) { alpha1 = alpha2 = 0.0; } else { alpha1 = (x1 - xc == 0) ? (y1 - yc < 0) ? 90.0 : -90.0 : -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG; alpha2 = (x2 - xc == 0) ? (y2 - yc < 0) ? 90.0 : -90.0 : -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG; } while (alpha1 <= 0) alpha1 += 360; while (alpha2 <= 0) alpha2 += 360; // adjust angles to be between while (alpha1 > 360) alpha1 -= 360; // 0 and 360 degree while (alpha2 > 360) alpha2 -= 360; if (m_brush.GetStyle() != wxTRANSPARENT) { SetBrush( m_brush ); *m_pstream << "newpath\n" << XLOG2DEV(xc) << " " << YLOG2DEV(yc) << " " << XLOG2DEVREL(radius) << " " << YLOG2DEVREL(radius) << " " << alpha1 << " " << alpha2 << " ellipse\n" << XLOG2DEV(xc) << " " << YLOG2DEV(yc) << " lineto\n" << "closepath\n" << "fill\n"; } if (m_pen.GetStyle() != wxTRANSPARENT) { SetPen( m_pen ); *m_pstream << "newpath\n" << XLOG2DEV(xc) << " " << YLOG2DEV(yc) << " " << XLOG2DEVREL(radius) << " " << YLOG2DEVREL(radius) << " " << alpha1 << " " << alpha2 << " ellipse\n" << "stroke\n"; } CalcBoundingBox( xc-radius, yc-radius ); CalcBoundingBox( xc+radius, yc+radius ); } void wxPostScriptDC::DrawEllipticArc(long x,long y,long w,long h,double sa,double ea) { wxCHECK_RET( m_ok && m_pstream, "invalid postscript dc" ); if (sa>=360 || sa<=-360) sa=sa-int(sa/360)*360; if (ea>=360 || ea<=-360) ea=ea-int(ea/360)*360; if (sa<0) sa+=360; if (ea<0) ea+=360; if (sa==ea) { DrawEllipse(x,y,w,h); return; } if (m_brush.GetStyle () != wxTRANSPARENT) { SetBrush( m_brush ); *m_pstream << "newpath\n" << XLOG2DEV(x+w/2) << " " << YLOG2DEV(y+h/2) << " " << XLOG2DEVREL(w/2) << " " << YLOG2DEVREL(h/2) << " " << int(sa) <<" "<< int(ea) << " true ellipticarc\n"; CalcBoundingBox( x ,y ); CalcBoundingBox( x+w, y+h ); } if (m_pen.GetStyle () != wxTRANSPARENT) { SetPen( m_pen ); *m_pstream << "newpath\n" << XLOG2DEV(x+w/2) << " " << YLOG2DEV(y+h/2) << " " << XLOG2DEVREL(w/2) << " " << XLOG2DEVREL(h/2) << " " << int(sa) <<" "<< int(ea) << " false ellipticarc\n"; CalcBoundingBox( x, y ); CalcBoundingBox( x+w, y+h ); } } void wxPostScriptDC::DrawPoint (long x, long y) { wxCHECK_RET( m_ok && m_pstream, "invalid postscript dc" ); if (m_pen.GetStyle() == wxTRANSPARENT) return; SetPen (m_pen); *m_pstream << "newpath\n" << XLOG2DEV(x) << " " << YLOG2DEV (y) << " moveto\n" << XLOG2DEV(x+1) << " " << YLOG2DEV (y) << " lineto\n" << "stroke\n"; CalcBoundingBox( x, y ); } void wxPostScriptDC::DrawPolygon (int n, wxPoint points[], long xoffset, long yoffset, int WXUNUSED(fillStyle)) { wxCHECK_RET( m_ok && m_pstream, "invalid postscript dc" ); if (n <= 0) return; if (m_brush.GetStyle () != wxTRANSPARENT) { SetBrush( m_brush ); *m_pstream << "newpath\n"; long xx = XLOG2DEV(points[0].x + xoffset); long yy = YLOG2DEV(points[0].y + yoffset); *m_pstream << xx << " " << yy << " moveto\n"; CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset ); for (int i = 1; i < n; i++) { xx = XLOG2DEV(points[i].x + xoffset); yy = YLOG2DEV(points[i].y + yoffset); *m_pstream << xx << " " << yy << " lineto\n"; CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset); } *m_pstream << "fill\n"; } if (m_pen.GetStyle () != wxTRANSPARENT) { SetPen( m_pen ); *m_pstream << "newpath\n"; long xx = XLOG2DEV(points[0].x + xoffset); long yy = YLOG2DEV(points[0].y + yoffset); *m_pstream << xx << " " << yy << " moveto\n"; CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset ); for (int i = 1; i < n; i++) { xx = XLOG2DEV(points[i].x + xoffset); yy = YLOG2DEV(points[i].y + yoffset); *m_pstream << xx << " " << yy << " lineto\n"; CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset); } *m_pstream << "stroke\n"; } } void wxPostScriptDC::DrawLines (int n, wxPoint points[], long xoffset, long yoffset) { wxCHECK_RET( m_ok && m_pstream, "invalid postscript dc" ); if (m_pen.GetStyle() == wxTRANSPARENT) return; if (n <= 0) return; SetPen (m_pen); for (int i=0; iGetPostScriptName( 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"; } void wxPostScriptDC::SetPen( const wxPen& pen ) { wxCHECK_RET( m_ok && m_pstream, "invalid postscript dc" ); if (!pen.Ok()) return; int oldStyle = m_pen.GetStyle(); m_pen = pen; *m_pstream << XLOG2DEVREL(m_pen.GetWidth()) << " setlinewidth\n"; /* Line style - WRONG: 2nd arg is OFFSET Here, I'm afraid you do not conceive meaning of parameters of 'setdash' operator correctly. You should look-up this in the Red Book: the 2nd parame- ter is not number of values in the array of the first one, but an offset into this description of the pattern. I mean a real *offset* not index into array. I.e. If the command is [3 4] 1 setdash is used, then there will be first black line *2* units long, then space 4 units, then the pattern of *3* units black, 4 units space will be repeated. */ static const char *dotted = "[2 5] 2"; static const char *short_dashed = "[4 4] 2"; static const char *long_dashed = "[4 8] 2"; static const char *dotted_dashed = "[6 6 2 6] 4"; const char *psdash = (char *) NULL; switch (m_pen.GetStyle ()) { case wxDOT: psdash = dotted; break; case wxSHORT_DASH: psdash = short_dashed; break; case wxLONG_DASH: psdash = long_dashed; break; case wxDOT_DASH: psdash = dotted_dashed; break; case wxSOLID: case wxTRANSPARENT: default: psdash = "[] 0"; break; } if (oldStyle != m_pen.GetStyle()) { *m_pstream << psdash << " setdash\n"; } // Line colour unsigned char red = m_pen.GetColour().Red(); unsigned char blue = m_pen.GetColour().Blue(); unsigned char green = m_pen.GetColour().Green(); if (!m_colour) { // Anything not white is black if (!(red == (unsigned char) 255 && blue == (unsigned char) 255 && green == (unsigned char) 255)) { red = (unsigned char) 0; green = (unsigned char) 0; blue = (unsigned char) 0; } // setgray here ? } if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue)) { long redPS = (long) (((int) red) / 255.0); long bluePS = (long) (((int) blue) / 255.0); long greenPS = (long) (((int) green) / 255.0); *m_pstream << redPS << " " << greenPS << " " << bluePS << " setrgbcolor\n"; m_currentRed = red; m_currentBlue = blue; m_currentGreen = green; } } void wxPostScriptDC::SetBrush( const wxBrush& brush ) { wxCHECK_RET( m_ok && m_pstream, "invalid postscript dc" ); if (!brush.Ok()) return; m_brush = brush; // Brush colour unsigned char red = m_brush.GetColour ().Red (); unsigned char blue = m_brush.GetColour ().Blue (); unsigned char green = m_brush.GetColour ().Green (); if (!m_colour) { // Anything not black is white if (!(red == (unsigned char) 0 && blue == (unsigned char) 0 && green == (unsigned char) 0)) { red = (unsigned char) 255; green = (unsigned char) 255; blue = (unsigned char) 255; } // setgray here ? } if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue)) { long redPS = (long) (((int) red) / 255.0); long bluePS = (long) (((int) blue) / 255.0); long greenPS = (long) (((int) green) / 255.0); *m_pstream << redPS << " " << greenPS << " " << bluePS << " setrgbcolor\n"; m_currentRed = red; m_currentBlue = blue; m_currentGreen = green; } } void wxPostScriptDC::DrawText( const wxString& text, long x, long y, bool WXUNUSED(use16bit) ) { wxCHECK_RET( m_ok && m_pstream, "invalid postscript dc" ); SetFont( m_font ); if (m_textForegroundColour.Ok ()) { unsigned char red = m_textForegroundColour.Red (); unsigned char blue = m_textForegroundColour.Blue (); unsigned char green = m_textForegroundColour.Green (); if (!m_colour) { // Anything not white is black if (!(red == (unsigned char) 255 && blue == (unsigned char) 255 && green == (unsigned char) 255)) { red = (unsigned char) 0; green = (unsigned char) 0; blue = (unsigned char) 0; } } // maybe setgray here ? if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue)) { long redPS = (long) (((int) red) / 255.0); long bluePS = (long) (((int) blue) / 255.0); long greenPS = (long) (((int) green) / 255.0); *m_pstream << redPS << " " << greenPS << " " << bluePS << " setrgbcolor\n"; m_currentRed = red; m_currentBlue = blue; m_currentGreen = green; } } int size = m_font.GetPointSize(); long by = y + (long)floor( float(size) * 2.0 / 3.0 ); // approximate baseline *m_pstream << XLOG2DEV(x) << " " << YLOG2DEV(by) << " moveto\n"; *m_pstream << "("; int len = strlen ((char *)(const char *)text); int i; for (i = 0; i < len; i++) { int c = (unsigned char) text[i]; if ( c == ')' || c == '(' || c == '\\') { *m_pstream << "\\" << (char) c; } else if ( c >= 128 ) { // Cope with character codes > 127 char tmp[5]; sprintf(tmp, "\\%o", c); *m_pstream << tmp; } else *m_pstream << (char) c; } *m_pstream << ")" << " show\n"; if (m_font.GetUnderlined()) { long uy = (long)(y + size - m_underlinePosition); long w, h; GetTextExtent(text, &w, &h); *m_pstream << "gsave " << XLOG2DEV(x) << " " << YLOG2DEV(uy) << " moveto\n" << (long)m_underlineThickness << " setlinewidth " << XLOG2DEV(x + w) << " " << YLOG2DEV(uy) << " lineto stroke grestore\n"; } CalcBoundingBox( x, y ); CalcBoundingBox( x + size * text.Length() * 2/3 , y ); } void wxPostScriptDC::SetBackground (const wxBrush& brush) { m_backgroundBrush = brush; } void wxPostScriptDC::SetLogicalFunction (int WXUNUSED(function)) { wxFAIL_MSG( "wxPostScriptDC::SetLogicalFunction not implemented." ); } void wxPostScriptDC::DrawSpline( wxList *points ) { wxCHECK_RET( m_ok && m_pstream, "invalid postscript dc" ); SetPen( m_pen ); double a, b, c, d, x1, y1, x2, y2, x3, y3; wxPoint *p, *q; wxNode *node = points->First(); p = (wxPoint *)node->Data(); x1 = p->x; y1 = p->y; node = node->Next(); p = (wxPoint *)node->Data(); c = p->x; d = p->y; x3 = a = (double)(x1 + c) / 2; y3 = b = (double)(y1 + d) / 2; *m_pstream << "newpath " << XLOG2DEV((long)x1) << " " << YLOG2DEV((long)y1) << " moveto " << XLOG2DEV((long)x3) << " " << YLOG2DEV((long)y3) << " lineto\n"; CalcBoundingBox( (long)x1, (long)y1 ); CalcBoundingBox( (long)x3, (long)y3 ); while ((node = node->Next()) != NULL) { q = (wxPoint *)node->Data(); x1 = x3; y1 = y3; x2 = c; y2 = d; c = q->x; d = q->y; x3 = (double)(x2 + c) / 2; y3 = (double)(y2 + d) / 2; *m_pstream << XLOG2DEV((long)x1) << " " << YLOG2DEV((long)y1) << " " << XLOG2DEV((long)x2) << " " << YLOG2DEV((long)y2) << " " << XLOG2DEV((long)x3) << " " << YLOG2DEV((long)y3) << " DrawSplineSection\n"; CalcBoundingBox( (long)x1, (long)y1 ); CalcBoundingBox( (long)x3, (long)y3 ); } /* At this point, (x2,y2) and (c,d) are the position of the next-to-last and last point respectively, in the point list */ *m_pstream << XLOG2DEV((long)c) << " " << YLOG2DEV((long)d) << " lineto stroke\n"; } long wxPostScriptDC::GetCharWidth () { // Chris Breeze: reasonable approximation using wxMODERN/Courier return (long) (GetCharHeight() * 72.0 / 120.0); } void wxPostScriptDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp ) { wxCHECK_RET( m_ok && m_pstream, "invalid postscript dc" ); m_signX = (xLeftRight ? 1 : -1); m_signY = (yBottomUp ? 1 : -1); ComputeScaleAndOrigin(); } void wxPostScriptDC::SetDeviceOrigin( long x, long y ) { wxCHECK_RET( m_ok && m_pstream, "invalid postscript dc" ); int h = 0; int w = 0; GetSize( &w, &h ); wxDC::SetDeviceOrigin( x, h-y ); } void wxPostScriptDC::GetSize(int* width, int* height) const { const char *paperType = wxThePrintSetupData->GetPaperName(); if (!paperType) paperType = _("A4 210 x 297 mm"); wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType); if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(_("A4 210 x 297 mm")); if (paper) { if (width) *width = paper->widthPixels; if (height) *height = paper->heightPixels; } else { if (width) *width = 595; if (height) *height = 842; } } bool wxPostScriptDC::StartDoc (const wxString& message) { wxCHECK_MSG( m_ok, FALSE, "invalid postscript dc" ); if (m_filename == "") { m_filename = wxGetTempFileName("ps"); wxThePrintSetupData->SetPrinterFile((char *)(const char *)m_filename); m_ok = TRUE; } else { wxThePrintSetupData->SetPrinterFile((char *)(const char *)m_filename); } m_pstream = new ofstream (wxThePrintSetupData->GetPrinterFile()); if (!m_pstream || !m_pstream->good()) { wxMessageBox (_("Cannot open file!"), _("Error"), wxOK); m_ok = FALSE; return FALSE; } m_ok = TRUE; SetBrush( *wxBLACK_BRUSH ); SetPen( *wxBLACK_PEN ); SetBackground( *wxWHITE_BRUSH ); SetTextForeground( *wxBLACK ); // set origin according to paper size SetDeviceOrigin( 0,0 ); wxPageNumber = 1; m_pageNumber = 1; m_title = message; return TRUE; } void wxPostScriptDC::EndDoc () { wxCHECK_RET( m_ok && m_pstream, "invalid postscript dc" ); if (m_clipping) { m_clipping = FALSE; *m_pstream << "grestore\n"; } if (m_pstream) { delete m_pstream; m_pstream = (ofstream *) NULL; } char *header_file = wxGetTempFileName("ps"); m_pstream = new ofstream( header_file ); *m_pstream << "%!PS-Adobe-2.0\n"; /* PostScript magic strings */ *m_pstream << "%%Title: " << (const char *) m_title << "\n"; *m_pstream << "%%Creator: " << wxTheApp->argv[0] << "\n"; *m_pstream << "%%CreationDate: " << wxNow() << "\n"; char userID[256]; if ( wxGetEmailAddress(userID, sizeof(userID)) ) { *m_pstream << "%%For: " << (char *)userID; char userName[245]; if (wxGetUserName(userName, sizeof(userName))) *m_pstream << " (" << (char *)userName << ")"; *m_pstream << "\n"; } else if ( wxGetUserName(userID, sizeof(userID)) ) { *m_pstream << "%%For: " << (char *)userID << "\n"; } // THE FOLLOWING HAS BEEN CONTRIBUTED BY Andy Fyfe long wx_printer_translate_x, wx_printer_translate_y; double wx_printer_scale_x, wx_printer_scale_y; wxThePrintSetupData->GetPrinterTranslation(&wx_printer_translate_x, &wx_printer_translate_y); wxThePrintSetupData->GetPrinterScaling(&wx_printer_scale_x, &wx_printer_scale_y); if (wxThePrintSetupData->GetPrinterOrientation() == PS_LANDSCAPE) { *m_pstream << "%%Orientation: Landscape\n"; } else { *m_pstream << "%%Orientation: Portrait\n"; } // Compute the bounding box. Note that it is in the default user // coordinate system, thus we have to convert the values. long llx = (long) ((XLOG2DEV(m_minX)+wx_printer_translate_x)*wx_printer_scale_x); long lly = (long) ((YLOG2DEV(m_minY)+wx_printer_translate_y)*wx_printer_scale_y); long urx = (long) ((XLOG2DEV(m_maxX)+wx_printer_translate_x)*wx_printer_scale_x); long ury = (long) ((YLOG2DEV(m_maxY)+wx_printer_translate_y)*wx_printer_scale_y); // If we're landscape, our sense of "x" and "y" is reversed. if (wxThePrintSetupData->GetPrinterOrientation() == PS_LANDSCAPE) { long tmp; tmp = llx; llx = lly; lly = tmp; tmp = urx; urx = ury; ury = tmp; // We need either the two lines that follow, or we need to subtract // min_x from real_translate_y, which is commented out below. llx = llx - (long)(m_minX*wx_printer_scale_y); urx = urx - (long)(m_minX*wx_printer_scale_y); } // The Adobe specifications call for integers; we round as to make // the bounding larger. *m_pstream << "%%BoundingBox: " << floor((double)llx) << " " << floor((double)lly) << " " << ceil((double)urx) << " " << ceil((double)ury) << "\n"; *m_pstream << "%%Pages: " << (wxPageNumber - 1) << "\n"; *m_pstream << "%%EndComments\n\n"; // To check the correctness of the bounding box, postscript commands // to draw a box corresponding to the bounding box are generated below. // But since we typically don't want to print such a box, the postscript // commands are generated within comments. These lines appear before any // adjustment of scale, rotation, or translation, and hence are in the // default user coordinates. *m_pstream << "% newpath\n"; *m_pstream << "% " << llx << " " << lly << " moveto\n"; *m_pstream << "% " << urx << " " << lly << " lineto\n"; *m_pstream << "% " << urx << " " << ury << " lineto\n"; *m_pstream << "% " << llx << " " << ury << " lineto closepath stroke\n"; *m_pstream << "%%BeginProlog\n"; *m_pstream << wxPostScriptHeaderEllipse; *m_pstream << wxPostScriptHeaderEllipticArc; *m_pstream << wxPostScriptHeaderColourImage; *m_pstream << wxPostScriptHeaderReencodeISO1; *m_pstream << wxPostScriptHeaderReencodeISO2; if (wxPostScriptHeaderSpline) *m_pstream << wxPostScriptHeaderSpline; *m_pstream << "%%EndProlog\n"; delete m_pstream; m_pstream = (ofstream *) NULL; char *tmp_file = wxGetTempFileName("ps"); // Paste header Before wx_printer_file wxConcatFiles (header_file, wxThePrintSetupData->GetPrinterFile(), tmp_file); wxRemoveFile (header_file); wxRemoveFile (wxThePrintSetupData->GetPrinterFile()); wxRenameFile(tmp_file, wxThePrintSetupData->GetPrinterFile()); #if defined(__X__) || defined(__WXGTK__) if (m_ok) { switch (wxThePrintSetupData->GetPrinterMode()) { case PS_PREVIEW: { char *argv[3]; argv[0] = wxThePrintSetupData->GetPrintPreviewCommand(); argv[1] = wxThePrintSetupData->GetPrinterFile(); argv[2] = (char *) NULL; wxExecute (argv, TRUE); wxRemoveFile(wxThePrintSetupData->GetPrinterFile()); } break; case PS_PRINTER: { char *argv[4]; int argc = 0; argv[argc++] = wxThePrintSetupData->GetPrinterCommand(); // !SM! If we simply assign to argv[1] here, if printer options // are blank, we get an annoying and confusing message from lpr. char * opts = wxThePrintSetupData->GetPrinterOptions(); if (opts && *opts) argv[argc++] = opts; argv[argc++] = wxThePrintSetupData->GetPrinterFile(); argv[argc++] = (char *) NULL; wxExecute (argv, TRUE); wxRemoveFile(wxThePrintSetupData->GetPrinterFile()); } break; case PS_FILE: break; } } #endif } void wxPostScriptDC::StartPage () { wxCHECK_RET( m_ok && m_pstream, "invalid postscript dc" ); *m_pstream << "%%Page: " << (wxPageNumber++) << "\n"; // *m_pstream << "matrix currentmatrix\n"; // Added by Chris Breeze // Each page starts with an "initgraphics" which resets the // transformation and so we need to reset the origin // (and rotate the page for landscape printing) /* m_scaleFactor = 1.0; 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); 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"; } void wxPostScriptDC::EndPage () { wxCHECK_RET( m_ok && m_pstream, "invalid postscript dc" ); *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) ) { wxCHECK_MSG( m_ok && m_pstream, FALSE, "invalid postscript dc" ); wxFAIL_MSG( "wxPostScriptDC::Blit no yet implemented." ); return TRUE; } long wxPostScriptDC::GetCharHeight () { if (m_font.Ok()) return m_font.GetPointSize(); else return 12; } 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; if (!fontToUse) fontToUse = (wxFont*) &m_font; #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) int height = 12; if (fontToUse) { 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; #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); } } // 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); } // 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 */ } // 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; } } // currently no idea how to calculate this! // if (externalLeading) *externalLeading = 0; if (externalLeading) *externalLeading = 0; // ----- end of contributed code ----- #endif } void wxPostScriptDC::GetSizeMM(long *width, long *height) const { const char *paperType = wxThePrintSetupData->GetPaperName(); if (!paperType) paperType = _("A4 210 x 297 mm"); wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(paperType); if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(_("A4 210 x 297 mm")); if (paper) { if (width) *width = paper->widthMM; if (height) *height = paper->heightMM; } else { if (width) *width = 210; if (height) *height = 297; } }