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dcpsg.cpp
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2002-08-27
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/////////////////////////////////////////////////////////////////////////////
// Name: dcpsg.cpp
// Purpose: Generic wxPostScriptDC implementation
// Author: Julian Smart, Robert Roebling, Markus Holzhem
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id: dcpsg.cpp,v 1.85 2002/08/25 18:41:59 RR Exp $
// Copyright: (c) Julian Smart and Markus Holzem
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifdef __GNUG__
#pragma implementation "dcpsg.h"
#endif
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#endif // WX_PRECOMP
#if wxUSE_PRINTING_ARCHITECTURE
#if wxUSE_POSTSCRIPT
#include "wx/setup.h"
#include "wx/window.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 "wx/generic/dcpsg.h"
#include "wx/printdlg.h"
#include "wx/button.h"
#include "wx/stattext.h"
#include "wx/radiobox.h"
#include "wx/textctrl.h"
#include "wx/prntbase.h"
#include "wx/paper.h"
#include "wx/filefn.h"
#include <math.h>
#ifdef __WXMSW__
#ifdef DrawText
#undef DrawText
#endif
#ifdef StartDoc
#undef StartDoc
#endif
#ifdef GetCharWidth
#undef GetCharWidth
#endif
#ifdef FindWindow
#undef FindWindow
#endif
#endif
//-----------------------------------------------------------------------------
// start and end of document/page
//-----------------------------------------------------------------------------
static const char *wxPostScriptHeaderConicTo = "\
/conicto {\n\
/to_y exch def\n\
/to_x exch def\n\
/conic_cntrl_y exch def\n\
/conic_cntrl_x exch def\n\
currentpoint\n\
/p0_y exch def\n\
/p0_x exch def\n\
/p1_x p0_x conic_cntrl_x p0_x sub 2 3 div mul add def\n\
/p1_y p0_y conic_cntrl_y p0_y sub 2 3 div mul add def\n\
/p2_x p1_x to_x p0_x sub 1 3 div mul add def\n\
/p2_y p1_y to_y p0_y sub 1 3 div mul add def\n\
p1_x p1_y p2_x p2_y to_x to_y curveto\n\
} bind def\n\
";
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\
";
#ifndef __WXGTK20__
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";
#endif
//-------------------------------------------------------------------------------
// wxPostScriptDC
//-------------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxPostScriptDC, wxDC)
float wxPostScriptDC::ms_PSScaleFactor = 10.0;
void wxPostScriptDC::SetResolution(int ppi)
{
ms_PSScaleFactor = (float)ppi / 72.0;
}
int wxPostScriptDC::GetResolution()
{
return (int)(ms_PSScaleFactor * 72.0);
}
//-------------------------------------------------------------------------------
wxPostScriptDC::wxPostScriptDC ()
{
m_pstream = (FILE*) 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 wxPrintData& printData)
{
m_pstream = (FILE*) 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
m_printData = printData;
m_ok = TRUE;
}
wxPostScriptDC::~wxPostScriptDC ()
{
if (m_pstream)
{
fclose( m_pstream );
m_pstream = (FILE*) NULL;
}
}
bool wxPostScriptDC::Ok() const
{
return m_ok;
}
void wxPostScriptDC::DoSetClippingRegion (wxCoord x, wxCoord y, wxCoord w, wxCoord h)
{
wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
if (m_clipping) DestroyClippingRegion();
wxDC::DoSetClippingRegion(x, y, w, h);
m_clipping = TRUE;
fprintf( m_pstream,
"gsave\n newpath\n"
"%d %d moveto\n"
"%d %d lineto\n"
"%d %d lineto\n"
"%d %d lineto\n"
"closepath clip newpath\n",
LogicalToDeviceX(x), LogicalToDeviceY(y),
LogicalToDeviceX(x+w), LogicalToDeviceY(y),
LogicalToDeviceX(x+w), LogicalToDeviceY(y+h),
LogicalToDeviceX(x), LogicalToDeviceY(y+h) );
}
void wxPostScriptDC::DestroyClippingRegion()
{
wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
if (m_clipping)
{
m_clipping = FALSE;
fprintf( m_pstream, "grestore\n" );
}
wxDC::DestroyClippingRegion();
}
void wxPostScriptDC::Clear()
{
wxFAIL_MSG( wxT("wxPostScriptDC::Clear not implemented.") );
}
bool wxPostScriptDC::DoFloodFill (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour &WXUNUSED(col), int WXUNUSED(style))
{
wxFAIL_MSG( wxT("wxPostScriptDC::FloodFill not implemented.") );
return FALSE;
}
bool wxPostScriptDC::DoGetPixel (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), wxColour * WXUNUSED(col)) const
{
wxFAIL_MSG( wxT("wxPostScriptDC::GetPixel not implemented.") );
return FALSE;
}
void wxPostScriptDC::DoCrossHair (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y))
{
wxFAIL_MSG( wxT("wxPostScriptDC::CrossHair not implemented.") );
}
void wxPostScriptDC::DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
{
wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
if (m_pen.GetStyle() == wxTRANSPARENT) return;
SetPen( m_pen );
fprintf( m_pstream,
"newpath\n"
"%d %d moveto\n"
"%d %d lineto\n"
"stroke\n",
LogicalToDeviceX(x1), LogicalToDeviceY(y1),
LogicalToDeviceX(x2), LogicalToDeviceY (y2) );
CalcBoundingBox( x1, y1 );
CalcBoundingBox( x2, y2 );
}
#define RAD2DEG 57.29577951308
void wxPostScriptDC::DoDrawArc (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc)
{
wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
wxCoord dx = x1 - xc;
wxCoord dy = y1 - yc;
wxCoord radius = (wxCoord) sqrt( (double)(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 );
fprintf( m_pstream,
"newpath\n"
"%d %d %d %d %d %d ellipse\n"
"%d %d lineto\n"
"closepath\n"
"fill\n",
LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel(radius), LogicalToDeviceYRel(radius), (wxCoord)alpha1, (wxCoord) alpha2,
LogicalToDeviceX(xc), LogicalToDeviceY(yc) );
CalcBoundingBox( xc-radius, yc-radius );
CalcBoundingBox( xc+radius, yc+radius );
}
if (m_pen.GetStyle() != wxTRANSPARENT)
{
SetPen( m_pen );
fprintf( m_pstream,
"newpath\n"
"%d %d %d %d %d %d ellipse\n"
"%d %d lineto\n"
"stroke\n"
"fill\n",
LogicalToDeviceX(xc), LogicalToDeviceY(yc), LogicalToDeviceXRel(radius), LogicalToDeviceYRel(radius), (wxCoord)alpha1, (wxCoord) alpha2,
LogicalToDeviceX(xc), LogicalToDeviceY(yc) );
CalcBoundingBox( xc-radius, yc-radius );
CalcBoundingBox( xc+radius, yc+radius );
}
}
void wxPostScriptDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
{
wxCHECK_RET( m_ok && m_pstream, wxT("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 );
fprintf( m_pstream,
"newpath\n"
"%d %d %d %d %d %d true ellipticarc\n",
LogicalToDeviceX(x+w/2), LogicalToDeviceY(y+h/2), LogicalToDeviceXRel(w/2), LogicalToDeviceYRel(h/2), (wxCoord)sa, (wxCoord)ea );
CalcBoundingBox( x ,y );
CalcBoundingBox( x+w, y+h );
}
if (m_pen.GetStyle () != wxTRANSPARENT)
{
SetPen( m_pen );
fprintf(m_pstream,
"newpath\n"
"%d %d %d %d %d %d false ellipticarc\n",
LogicalToDeviceX(x+w/2), LogicalToDeviceY(y+h/2), LogicalToDeviceXRel(w/2), LogicalToDeviceYRel(h/2), (wxCoord)sa, (wxCoord)ea );
CalcBoundingBox( x ,y );
CalcBoundingBox( x+w, y+h );
}
}
void wxPostScriptDC::DoDrawPoint (wxCoord x, wxCoord y)
{
wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
if (m_pen.GetStyle() == wxTRANSPARENT) return;
SetPen (m_pen);
fprintf( m_pstream,
"newpath\n"
"%d %d moveto\n"
"%d %d lineto\n"
"stroke\n",
LogicalToDeviceX(x), LogicalToDeviceY(y),
LogicalToDeviceX(x+1), LogicalToDeviceY(y) );
CalcBoundingBox( x, y );
}
void wxPostScriptDC::DoDrawPolygon (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, int WXUNUSED(fillStyle))
{
wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
if (n <= 0) return;
if (m_brush.GetStyle () != wxTRANSPARENT)
{
SetBrush( m_brush );
fprintf( m_pstream, "newpath\n" );
wxCoord xx = LogicalToDeviceX(points[0].x + xoffset);
wxCoord yy = LogicalToDeviceY(points[0].y + yoffset);
fprintf( m_pstream, "%d %d moveto\n", xx, yy );
CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
for (int i = 1; i < n; i++)
{
xx = LogicalToDeviceX(points[i].x + xoffset);
yy = LogicalToDeviceY(points[i].y + yoffset);
fprintf( m_pstream, "%d %d lineto\n", xx, yy );
CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset);
}
fprintf( m_pstream, "fill\n" );
}
if (m_pen.GetStyle () != wxTRANSPARENT)
{
SetPen( m_pen );
fprintf( m_pstream, "newpath\n" );
wxCoord xx = LogicalToDeviceX(points[0].x + xoffset);
wxCoord yy = LogicalToDeviceY(points[0].y + yoffset);
fprintf( m_pstream, "%d %d moveto\n", xx, yy );
CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset );
for (int i = 1; i < n; i++)
{
xx = LogicalToDeviceX(points[i].x + xoffset);
yy = LogicalToDeviceY(points[i].y + yoffset);
fprintf( m_pstream, "%d %d lineto\n", xx, yy );
CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset);
}
fprintf( m_pstream, "closepath\n" );
fprintf( m_pstream, "stroke\n" );
}
}
void wxPostScriptDC::DoDrawLines (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
{
wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
if (m_pen.GetStyle() == wxTRANSPARENT) return;
if (n <= 0) return;
SetPen (m_pen);
int i;
for ( i =0; i<n ; i++ )
{
CalcBoundingBox( LogicalToDeviceX(points[i].x+xoffset), LogicalToDeviceY(points[i].y+yoffset));
}
fprintf( m_pstream,
"newpath\n"
"%d %d moveto\n",
LogicalToDeviceX(points[0].x+xoffset), LogicalToDeviceY(points[0].y+yoffset) );
for (i = 1; i < n; i++)
{
fprintf( m_pstream,
"%d %d lineto\n",
LogicalToDeviceX(points[i].x+xoffset), LogicalToDeviceY(points[i].y+yoffset) );
}
fprintf( m_pstream, "stroke\n" );
}
void wxPostScriptDC::DoDrawRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
if (m_brush.GetStyle () != wxTRANSPARENT)
{
SetBrush( m_brush );
fprintf( m_pstream,
"newpath\n"
"%d %d moveto\n"
"%d %d lineto\n"
"%d %d lineto\n"
"%d %d lineto\n"
"closepath\n"
"fill\n",
LogicalToDeviceX(x), LogicalToDeviceY(y),
LogicalToDeviceX(x + width), LogicalToDeviceY(y),
LogicalToDeviceX(x + width), LogicalToDeviceY(y + height),
LogicalToDeviceX(x), LogicalToDeviceY(y + height) );
CalcBoundingBox( x, y );
CalcBoundingBox( x + width, y + height );
}
if (m_pen.GetStyle () != wxTRANSPARENT)
{
SetPen (m_pen);
fprintf( m_pstream,
"newpath\n"
"%d %d moveto\n"
"%d %d lineto\n"
"%d %d lineto\n"
"%d %d lineto\n"
"closepath\n"
"stroke\n",
LogicalToDeviceX(x), LogicalToDeviceY(y),
LogicalToDeviceX(x + width), LogicalToDeviceY(y),
LogicalToDeviceX(x + width), LogicalToDeviceY(y + height),
LogicalToDeviceX(x), LogicalToDeviceY(y + height) );
CalcBoundingBox( x, y );
CalcBoundingBox( x + width, y + height );
}
}
void wxPostScriptDC::DoDrawRoundedRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
{
wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
if (radius < 0.0)
{
// Now, a negative radius is interpreted to mean
// 'the proportion of the smallest X or Y dimension'
double smallest = 0.0;
if (width < height)
smallest = width;
else
smallest = height;
radius = (-radius * smallest);
}
wxCoord rad = (wxCoord) radius;
if (m_brush.GetStyle () != wxTRANSPARENT)
{
SetBrush( m_brush );
/* Draw rectangle anticlockwise */
fprintf( m_pstream,
"newpath\n"
"%d %d %d 90 180 arc\n"
"%d %d moveto\n"
"%d %d %d 180 270 arc\n"
"%d %d lineto\n"
"%d %d %d 270 0 arc\n"
"%d %d lineto\n"
"%d %d %d 0 90 arc\n"
"%d %d lineto\n"
"closepath\n"
"fill\n",
LogicalToDeviceX(x + rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
LogicalToDeviceX(x), LogicalToDeviceY(y + rad),
LogicalToDeviceX(x + rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height),
LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
LogicalToDeviceX(x + width), LogicalToDeviceY(y + rad),
LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
LogicalToDeviceX(x + rad), LogicalToDeviceY(y) );
CalcBoundingBox( x, y );
CalcBoundingBox( x + width, y + height );
}
if (m_pen.GetStyle () != wxTRANSPARENT)
{
SetPen (m_pen);
/* Draw rectangle anticlockwise */
fprintf( m_pstream,
"newpath\n"
"%d %d %d 90 180 arc\n"
"%d %d moveto\n"
"%d %d %d 180 270 arc\n"
"%d %d lineto\n"
"%d %d %d 270 0 arc\n"
"%d %d lineto\n"
"%d %d %d 0 90 arc\n"
"%d %d lineto\n"
"closepath\n"
"stroke\n",
LogicalToDeviceX(x + rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
LogicalToDeviceX(x), LogicalToDeviceY(y + rad),
LogicalToDeviceX(x + rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height),
LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + height - rad), LogicalToDeviceXRel(rad),
LogicalToDeviceX(x + width), LogicalToDeviceY(y + rad),
LogicalToDeviceX(x + width - rad), LogicalToDeviceY(y + rad), LogicalToDeviceXRel(rad),
LogicalToDeviceX(x + rad), LogicalToDeviceY(y) );
CalcBoundingBox( x, y );
CalcBoundingBox( x + width, y + height );
}
}
void wxPostScriptDC::DoDrawEllipse (wxCoord x, wxCoord y, wxCoord width, wxCoord height)
{
wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
if (m_brush.GetStyle () != wxTRANSPARENT)
{
SetBrush (m_brush);
fprintf( m_pstream,
"newpath\n"
"%d %d %d %d 0 360 ellipse\n"
"fill\n",
LogicalToDeviceX(x + width / 2), LogicalToDeviceY(y + height / 2),
LogicalToDeviceXRel(width / 2), LogicalToDeviceYRel(height / 2) );
CalcBoundingBox( x - width, y - height );
CalcBoundingBox( x + width, y + height );
}
if (m_pen.GetStyle () != wxTRANSPARENT)
{
SetPen (m_pen);
fprintf( m_pstream,
"newpath\n"
"%d %d %d %d 0 360 ellipse\n"
"stroke\n",
LogicalToDeviceX(x + width / 2), LogicalToDeviceY(y + height / 2),
LogicalToDeviceXRel(width / 2), LogicalToDeviceYRel(height / 2) );
CalcBoundingBox( x - width, y - height );
CalcBoundingBox( x + width, y + height );
}
}
void wxPostScriptDC::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y )
{
DrawBitmap( icon, x, y, TRUE );
}
/* this has to be char, not wxChar */
static char hexArray[] = "0123456789ABCDEF";
static void LocalDecToHex( int dec, char *buf )
{
int firstDigit = (int)(dec/16.0);
int secondDigit = (int)(dec - (firstDigit*16.0));
buf[0] = hexArray[firstDigit];
buf[1] = hexArray[secondDigit];
buf[2] = 0;
}
void wxPostScriptDC::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool WXUNUSED(useMask) )
{
wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
if (!bitmap.Ok()) return;
wxImage image = bitmap.ConvertToImage();
if (!image.Ok()) return;
wxCoord w = image.GetWidth();
wxCoord h = image.GetHeight();
wxCoord ww = LogicalToDeviceXRel(image.GetWidth());
wxCoord hh = LogicalToDeviceYRel(image.GetHeight());
wxCoord xx = LogicalToDeviceX(x);
wxCoord yy = LogicalToDeviceY(y + bitmap.GetHeight());
fprintf( m_pstream,
"/origstate save def\n"
"20 dict begin\n"
"/pix %d string def\n"
"/grays %d string def\n"
"/npixels 0 def\n"
"/rgbindx 0 def\n"
"%d %d translate\n"
"%d %d scale\n"
"%d %d 8\n"
"[%d 0 0 %d 0 %d]\n"
"{currentfile pix readhexstring pop}\n"
"false 3 colorimage\n",
w, w, xx, yy, ww, hh, w, h, w, -h, h );
for (int j = 0; j < h; j++)
{
for (int i = 0; i < w; i++)
{
char buffer[5];
LocalDecToHex( image.GetRed(i,j), buffer );
fprintf( m_pstream, buffer );
LocalDecToHex( image.GetGreen(i,j), buffer );
fprintf( m_pstream, buffer );
LocalDecToHex( image.GetBlue(i,j), buffer );
fprintf( m_pstream, buffer );
}
fprintf( m_pstream, "\n" );
}
fprintf( m_pstream, "end\n" );
fprintf( m_pstream, "origstate restore\n" );
}
void wxPostScriptDC::SetFont( const wxFont& font )
{
wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
if (!font.Ok()) return;
m_font = font;
#ifndef __WXGTK20__
int Style = m_font.GetStyle();
int Weight = m_font.GetWeight();
const char *name;
switch (m_font.GetFamily())
{
case wxTELETYPE:
case wxMODERN:
{
if (Style == wxITALIC)
{
if (Weight == wxBOLD)
name = "/Courier-BoldOblique";
else
name = "/Courier-Oblique";
}
else
{
if (Weight == wxBOLD)
name = "/Courier-Bold";
else
name = "/Courier";
}
break;
}
case wxROMAN:
{
if (Style == wxITALIC)
{
if (Weight == wxBOLD)
name = "/Times-BoldItalic";
else
name = "/Times-Italic";
}
else
{
if (Weight == wxBOLD)
name = "/Times-Bold";
else
name = "/Times-Roman";
}
break;
}
case wxSCRIPT:
{
name = "/ZapfChancery-MediumItalic";
Style = wxNORMAL;
Weight = wxNORMAL;
break;
}
case wxSWISS:
default:
{
if (Style == wxITALIC)
{
if (Weight == wxBOLD)
name = "/Helvetica-BoldOblique";
else
name = "/Helvetica-Oblique";
}
else
{
if (Weight == wxBOLD)
name = "/Helvetica-Bold";
else
name = "/Helvetica";
}
break;
}
}
fprintf( m_pstream, name );
fprintf( m_pstream, " reencodeISO def\n" );
fprintf( m_pstream, name );
fprintf( m_pstream, " findfont\n" );
char buffer[100];
sprintf( buffer, "%f scalefont setfont\n", LogicalToDeviceYRel(m_font.GetPointSize() * 1000) / 1000.0F);
// this is a hack - we must scale font size (in pts) according to m_scaleY but
// LogicalToDeviceYRel works with wxCoord type (int or longint). Se we first convert font size
// to 1/1000th of pt and then back.
for (int i = 0; i < 100; i++)
if (buffer[i] == ',') buffer[i] = '.';
fprintf( m_pstream, buffer );
#endif
}
void wxPostScriptDC::SetPen( const wxPen& pen )
{
wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
if (!pen.Ok()) return;
int oldStyle = m_pen.GetStyle();
m_pen = pen;
{
char buffer[100];
#ifdef __WXMSW__
sprintf( buffer, "%f setlinewidth\n", LogicalToDeviceXRel(1000 * m_pen.GetWidth()) / 1000.0f );
#else
sprintf( buffer, "%f setlinewidth\n", LogicalToDeviceXRel(1000 * m_pen.GetWidth()) / 1000.0f );
#endif
for (int i = 0; i < 100; i++)
if (buffer[i] == ',') buffer[i] = '.';
fprintf( m_pstream, buffer );
}
/*
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 wxCoord, 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 *wxCoord_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 = wxCoord_dashed; break;
case wxDOT_DASH: psdash = dotted_dashed; break;
case wxSOLID:
case wxTRANSPARENT:
default: psdash = "[] 0"; break;
}
if (oldStyle != m_pen.GetStyle())
{
fprintf( m_pstream, psdash );
fprintf( m_pstream," 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))
{
double redPS = (double)(red) / 255.0;
double bluePS = (double)(blue) / 255.0;
double greenPS = (double)(green) / 255.0;
char buffer[100];
sprintf( buffer,
"%.8f %.8f %.8f setrgbcolor\n",
redPS, greenPS, bluePS );
for (int i = 0; i < 100; i++)
if (buffer[i] == ',') buffer[i] = '.';
fprintf( m_pstream, buffer );
m_currentRed = red;
m_currentBlue = blue;
m_currentGreen = green;
}
}
void wxPostScriptDC::SetBrush( const wxBrush& brush )
{
wxCHECK_RET( m_ok && m_pstream, wxT("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 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))
{
double redPS = (double)(red) / 255.0;
double bluePS = (double)(blue) / 255.0;
double greenPS = (double)(green) / 255.0;
char buffer[100];
sprintf( buffer,
"%.8f %.8f %.8f setrgbcolor\n",
redPS, greenPS, bluePS );
for (int i = 0; i < 100; i++)
if (buffer[i] == ',') buffer[i] = '.';
fprintf( m_pstream, buffer );
m_currentRed = red;
m_currentBlue = blue;
m_currentGreen = green;
}
}
#ifdef __WXGTK20__
#define PANGO_ENABLE_ENGINE
#include "wx/gtk/private.h"
#include "wx/fontutil.h"
#include "gtk/gtk.h"
#include <pango/pangoft2.h>
#include <freetype/ftglyph.h>
#ifndef FT_Outline_Decompose
FT_EXPORT( FT_Error ) FT_Outline_Decompose(
FT_Outline* outline,
const FT_Outline_Funcs* interface,
void* user );
#endif
typedef struct _OutlineInfo OutlineInfo;
struct _OutlineInfo {
FILE *file;
};
static int paps_move_to( FT_Vector* to,
void *user_data)
{
OutlineInfo *outline_info = (OutlineInfo*)user_data;
fprintf(outline_info->file, "%d %d moveto\n",
(int)to->x ,
(int)to->y );
return 0;
}
static int paps_line_to( FT_Vector* to,
void *user_data)
{
OutlineInfo *outline_info = (OutlineInfo*)user_data;
fprintf(outline_info->file, "%d %d lineto\n",
(int)to->x ,
(int)to->y );
return 0;
}
static int paps_conic_to( FT_Vector* control,
FT_Vector* to,
void *user_data)
{
OutlineInfo *outline_info = (OutlineInfo*)user_data;
fprintf(outline_info->file, "%d %d %d %d conicto\n",
(int)control->x ,
(int)control->y ,
(int)to->x ,
(int)to->y );
return 0;
}
static int paps_cubic_to( FT_Vector* control1,
FT_Vector* control2,
FT_Vector* to,
void *user_data)
{
OutlineInfo *outline_info = (OutlineInfo*)user_data;
fprintf(outline_info->file,
"%d %d %d %d %d %d curveto\n",
(int)control1->x ,
(int)control1->y ,
(int)control2->x ,
(int)control2->y ,
(int)to->x ,
(int)to->y );
return 0;
}
void draw_bezier_outline(FILE *file,
FT_Face face,
FT_UInt glyph_index,
int pos_x,
int pos_y,
int scale_x,
int scale_y )
{
FT_Int load_flags = FT_LOAD_NO_BITMAP;
FT_Glyph glyph;
FT_Outline_Funcs outlinefunc =
{
paps_move_to,
paps_line_to,
paps_conic_to,
paps_cubic_to
};
OutlineInfo outline_info;
outline_info.file = file;
fprintf(file, "gsave\n");
fprintf(file, "%d %d translate\n", pos_x, pos_y );
// FT2 scales outlines to 26.6 pixels so the code below
// should read 26600 instead of the 60000.
fprintf(file, "%d 60000 div %d 60000 div scale\n", scale_x, scale_y );
fprintf(file, "0 0 0 setrgbcolor\n");
FT_Load_Glyph(face, glyph_index, load_flags);
FT_Get_Glyph (face->glyph, &glyph);
FT_Outline_Decompose (&(((FT_OutlineGlyph)glyph)->outline),
&outlinefunc, &outline_info);
fprintf(file, "closepath fill grestore \n");
FT_Done_Glyph (glyph);
}
#endif
void wxPostScriptDC::DoDrawText( const wxString& text, wxCoord x, wxCoord y )
{
wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
#ifdef __WXGTK20__
int dpi = GetResolution();
dpi = 300;
PangoContext *context = pango_ft2_get_context ( dpi, dpi );
pango_context_set_language (context, pango_language_from_string ("en_US"));
pango_context_set_base_dir (context, PANGO_DIRECTION_LTR );
pango_context_set_font_description (context, m_font.GetNativeFontInfo()->description );
PangoLayout *layout = pango_layout_new (context);
#if wxUSE_UNICODE
wxCharBuffer buffer = wxConvUTF8.cWC2MB( text );
#else
wxCharBuffer buffer = wxConvUTF8.cWC2MB( wxConvLocal.cWX2WC( text ) );
#endif
pango_layout_set_text( layout, (const char*) buffer, strlen(buffer) );
PangoRectangle rect;
pango_layout_get_extents(layout, NULL, &rect);
int xx = x * PANGO_SCALE;
int yy = y * PANGO_SCALE + (rect.height*2/3);
int scale_x = LogicalToDeviceXRel( 1000 );
int scale_y = LogicalToDeviceYRel( 1000 );
// Loop over lines in layout
int num_lines = pango_layout_get_line_count( layout );
for (int i = 0; i < num_lines; i++)
{
PangoLayoutLine *line = pango_layout_get_line( layout, i );
// Loop over runs in line
GSList *runs_list = line->runs;
while (runs_list)
{
PangoLayoutRun *run = (PangoLayoutRun*) runs_list->data;
PangoItem *item = run->item;
PangoGlyphString *glyphs = run->glyphs;
PangoAnalysis *analysis = &item->analysis;
PangoFont *font = analysis->font;
FT_Face ft_face = pango_ft2_font_get_face(font);
int num_glyphs = glyphs->num_glyphs;
for (int glyph_idx = 0; glyph_idx < num_glyphs; glyph_idx++)
{
PangoGlyphGeometry geometry = glyphs->glyphs[glyph_idx].geometry;
int pos_x = xx + geometry.x_offset;
int pos_y = yy - geometry.y_offset;
xx += geometry.width;
draw_bezier_outline( m_pstream, ft_face,
(FT_UInt)(glyphs->glyphs[glyph_idx].glyph),
LogicalToDeviceX( pos_x / PANGO_SCALE ),
LogicalToDeviceY( pos_y / PANGO_SCALE ),
scale_x, scale_y );
}
runs_list = runs_list->next;
}
}
g_object_unref( G_OBJECT( layout ) );
#else
wxCoord text_w, text_h, text_descent;
GetTextExtent(text, &text_w, &text_h, &text_descent);
// VZ: this seems to be unnecessary, so taking it out for now, if it
// doesn't create any problems, remove this comment entirely
//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))
{
double redPS = (double)(red) / 255.0;
double bluePS = (double)(blue) / 255.0;
double greenPS = (double)(green) / 255.0;
char buffer[100];
sprintf( buffer,
"%.8f %.8f %.8f setrgbcolor\n",
redPS, greenPS, bluePS );
for (int i = 0; i < 100; i++)
if (buffer[i] == ',') buffer[i] = '.';
fprintf( m_pstream, buffer );
m_currentRed = red;
m_currentBlue = blue;
m_currentGreen = green;
}
}
int size = m_font.GetPointSize();
// wxCoord by = y + (wxCoord)floor( double(size) * 2.0 / 3.0 ); // approximate baseline
// commented by V. Slavik and replaced by accurate version
// - note that there is still rounding error in text_descent!
wxCoord by = y + size - text_descent; // baseline
fprintf( m_pstream, "%d %d moveto\n", LogicalToDeviceX(x), LogicalToDeviceY(by) );
fprintf( m_pstream, "(" );
const wxWX2MBbuf textbuf = text.mb_str();
size_t len = strlen(textbuf);
size_t i;
for (i = 0; i < len; i++)
{
int c = (unsigned char) textbuf[i];
if (c == ')' || c == '(' || c == '\\')
{
/* Cope with special characters */
fprintf( m_pstream, "\\" );
fputc(c, m_pstream);
}
else if ( c >= 128 )
{
/* Cope with character codes > 127 */
fprintf(m_pstream, "\\%o", c);
}
else
{
fputc(c, m_pstream);
}
}
fprintf( m_pstream, ") show\n" );
if (m_font.GetUnderlined())
{
wxCoord uy = (wxCoord)(y + size - m_underlinePosition);
char buffer[100];
sprintf( buffer,
"gsave\n"
"%d %d moveto\n"
"%f setlinewidth\n"
"%d %d lineto\n"
"stroke\n"
"grestore\n",
LogicalToDeviceX(x), LogicalToDeviceY(uy),
m_underlineThickness,
LogicalToDeviceX(x + text_w), LogicalToDeviceY(uy) );
for (i = 0; i < 100; i++)
if (buffer[i] == ',') buffer[i] = '.';
fprintf( m_pstream, buffer );
}
CalcBoundingBox( x, y );
CalcBoundingBox( x + size * text.Length() * 2/3 , y );
#endif
}
void wxPostScriptDC::DoDrawRotatedText( const wxString& text, wxCoord x, wxCoord y, double angle )
{
if (angle == 0.0)
{
DoDrawText(text, x, y);
return;
}
wxCHECK_RET( m_ok && m_pstream, wxT("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))
{
double redPS = (double)(red) / 255.0;
double bluePS = (double)(blue) / 255.0;
double greenPS = (double)(green) / 255.0;
char buffer[100];
sprintf( buffer,
"%.8f %.8f %.8f setrgbcolor\n",
redPS, greenPS, bluePS );
for (int i = 0; i < 100; i++)
if (buffer[i] == ',') buffer[i] = '.';
fprintf( m_pstream, buffer );
m_currentRed = red;
m_currentBlue = blue;
m_currentGreen = green;
}
}
int size = m_font.GetPointSize();
long by = y + (long)floor( double(size) * 2.0 / 3.0 ); // approximate baseline
// FIXME only correct for 90 degrees
fprintf(m_pstream, "%d %d moveto\n",
LogicalToDeviceX((wxCoord)(x + size)), LogicalToDeviceY((wxCoord)by) );
char buffer[100];
sprintf(buffer, "%.8f rotate\n", angle);
size_t i;
for (i = 0; i < 100; i++)
if (buffer[i] == ',') buffer[i] = '.';
fprintf(m_pstream, buffer);
fprintf( m_pstream, "(" );
const wxWX2MBbuf textbuf = text.mb_str();
size_t len = strlen(textbuf);
for (i = 0; i < len; i++)
{
int c = (unsigned char) textbuf[i];
if (c == ')' || c == '(' || c == '\\')
{
/* Cope with special characters */
fprintf( m_pstream, "\\" );
fputc(c, m_pstream);
}
else if ( c >= 128 )
{
/* Cope with character codes > 127 */
fprintf(m_pstream, "\\%o", c);
}
else
{
fputc(c, m_pstream);
}
}
fprintf( m_pstream, ") show\n" );
sprintf( buffer, "%.8f rotate\n", -angle );
for (i = 0; i < 100; i++)
if (buffer[i] == ',') buffer[i] = '.';
fprintf( m_pstream, buffer );
if (m_font.GetUnderlined())
{
wxCoord uy = (wxCoord)(y + size - m_underlinePosition);
wxCoord w, h;
char buffer[100];
GetTextExtent(text, &w, &h);
sprintf( buffer,
"gsave\n"
"%d %d moveto\n"
"%f setlinewidth\n"
"%d %d lineto\n"
"stroke\n"
"grestore\n",
LogicalToDeviceX(x), LogicalToDeviceY(uy),
m_underlineThickness,
LogicalToDeviceX(x + w), LogicalToDeviceY(uy) );
for (i = 0; i < 100; i++)
if (buffer[i] == ',') buffer[i] = '.';
fprintf( m_pstream, buffer );
}
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( wxT("wxPostScriptDC::SetLogicalFunction not implemented.") );
}
void wxPostScriptDC::DoDrawSpline( wxList *points )
{
wxCHECK_RET( m_ok && m_pstream, wxT("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;
fprintf( m_pstream,
"newpath\n"
"%d %d moveto\n"
"%d %d lineto\n",
LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1),
LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
CalcBoundingBox( (wxCoord)x3, (wxCoord)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;
fprintf( m_pstream,
"%d %d %d %d %d %d DrawSplineSection\n",
LogicalToDeviceX((wxCoord)x1), LogicalToDeviceY((wxCoord)y1),
LogicalToDeviceX((wxCoord)x2), LogicalToDeviceY((wxCoord)y2),
LogicalToDeviceX((wxCoord)x3), LogicalToDeviceY((wxCoord)y3) );
CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 );
CalcBoundingBox( (wxCoord)x3, (wxCoord)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
*/
fprintf( m_pstream,
"%d %d lineto\n"
"stroke\n",
LogicalToDeviceX((wxCoord)c), LogicalToDeviceY((wxCoord)d) );
}
wxCoord wxPostScriptDC::GetCharWidth() const
{
// Chris Breeze: reasonable approximation using wxMODERN/Courier
return (wxCoord) (GetCharHeight() * 72.0 / 120.0);
}
void wxPostScriptDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp )
{
wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
m_signX = (xLeftRight ? 1 : -1);
m_signY = (yBottomUp ? 1 : -1);
// FIXME there is no such function in MSW nor in OS2/PM
#if !defined(__WXMSW__) && !defined(__WXPM__)
ComputeScaleAndOrigin();
#endif
}
void wxPostScriptDC::SetDeviceOrigin( wxCoord x, wxCoord y )
{
wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
int h = 0;
int w = 0;
GetSize( &w, &h );
wxDC::SetDeviceOrigin( x, h-y );
}
void wxPostScriptDC::DoGetSize(int* width, int* height) const
{
wxPaperSize id = m_printData.GetPaperId();
wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id);
if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
int w = 595;
int h = 842;
if (paper)
{
w = paper->GetSizeDeviceUnits().x;
h = paper->GetSizeDeviceUnits().y;
}
if (m_printData.GetOrientation() == wxLANDSCAPE)
{
int tmp = w;
w = h;
h = tmp;
}
if (width) *width = (int)(w * ms_PSScaleFactor);
if (height) *height = (int)(h * ms_PSScaleFactor);
}
void wxPostScriptDC::DoGetSizeMM(int *width, int *height) const
{
wxPaperSize id = m_printData.GetPaperId();
wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id);
if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4);
int w = 210;
int h = 297;
if (paper)
{
w = paper->GetWidth() / 10;
h = paper->GetHeight() / 10;
}
if (m_printData.GetOrientation() == wxLANDSCAPE)
{
int tmp = w;
w = h;
h = tmp;
}
if (width) *width = w;
if (height) *height = h;
}
// Resolution in pixels per logical inch
wxSize wxPostScriptDC::GetPPI(void) const
{
return wxSize((int)(72 * ms_PSScaleFactor),
(int)(72 * ms_PSScaleFactor));
}
bool wxPostScriptDC::StartDoc( const wxString& message )
{
wxCHECK_MSG( m_ok, FALSE, wxT("invalid postscript dc") );
if (m_printData.GetFilename() == "")
{
wxString filename = wxGetTempFileName("ps");
m_printData.SetFilename(filename);
}
m_pstream = wxFopen( m_printData.GetFilename().c_str(), wxT("w+") ); // FIXME: use fn_str() here under Unicode?
if (!m_pstream)
{
wxLogError( _("Cannot open file for PostScript printing!"));
m_ok = FALSE;
return FALSE;
}
m_ok = TRUE;
fprintf( m_pstream, "%%!PS-Adobe-2.0\n" );
fprintf( m_pstream, "%%%%Title: %s\n", (const char *) m_title.ToAscii() );
fprintf( m_pstream, "%%%%Creator: wxWindows PostScript renderer\n" );
fprintf( m_pstream, "%%%%CreationDate: %s\n", (const char *) wxNow().ToAscii() );
if (m_printData.GetOrientation() == wxLANDSCAPE)
fprintf( m_pstream, "%%%%Orientation: Landscape\n" );
else
fprintf( m_pstream, "%%%%Orientation: Portrait\n" );
// fprintf( m_pstream, "%%%%Pages: %d\n", (wxPageNumber - 1) );
char *paper = "A4";
switch (m_printData.GetPaperId())
{
case wxPAPER_LETTER: paper = "Letter"; break; // Letter: paper ""; 8 1/2 by 11 inches
case wxPAPER_LEGAL: paper = "Legal"; break; // Legal, 8 1/2 by 14 inches
case wxPAPER_A4: paper = "A4"; break; // A4 Sheet, 210 by 297 millimeters
case wxPAPER_TABLOID: paper = "Tabloid"; break; // Tabloid, 11 by 17 inches
case wxPAPER_LEDGER: paper = "Ledger"; break; // Ledger, 17 by 11 inches
case wxPAPER_STATEMENT: paper = "Statement"; break; // Statement, 5 1/2 by 8 1/2 inches
case wxPAPER_EXECUTIVE: paper = "Executive"; break; // Executive, 7 1/4 by 10 1/2 inches
case wxPAPER_A3: paper = "A3"; break; // A3 sheet, 297 by 420 millimeters
case wxPAPER_A5: paper = "A5"; break; // A5 sheet, 148 by 210 millimeters
case wxPAPER_B4: paper = "B4"; break; // B4 sheet, 250 by 354 millimeters
case wxPAPER_B5: paper = "B5"; break; // B5 sheet, 182-by-257-millimeter paper
case wxPAPER_FOLIO: paper = "Folio"; break; // Folio, 8-1/2-by-13-inch paper
case wxPAPER_QUARTO: paper = "Quaro"; break; // Quarto, 215-by-275-millimeter paper
case wxPAPER_10X14: paper = "10x14"; break; // 10-by-14-inch sheet
default: paper = "A4";
}
fprintf( m_pstream, "%%%%DocumentPaperSizes: %s\n", paper );
fprintf( m_pstream, "%%%%EndComments\n\n" );
fprintf( m_pstream, "%%%%BeginProlog\n" );
fprintf( m_pstream, wxPostScriptHeaderConicTo );
fprintf( m_pstream, wxPostScriptHeaderEllipse );
fprintf( m_pstream, wxPostScriptHeaderEllipticArc );
fprintf( m_pstream, wxPostScriptHeaderColourImage );
#ifndef __WXGTK20__
fprintf( m_pstream, wxPostScriptHeaderReencodeISO1 );
fprintf( m_pstream, wxPostScriptHeaderReencodeISO2 );
#endif
if (wxPostScriptHeaderSpline)
fprintf( m_pstream, wxPostScriptHeaderSpline );
fprintf( m_pstream, "%%%%EndProlog\n" );
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, wxT("invalid postscript dc") );
if (m_clipping)
{
m_clipping = FALSE;
fprintf( m_pstream, "grestore\n" );
}
fclose( m_pstream );
m_pstream = (FILE *) NULL;
#if 0
// THE FOLLOWING HAS BEEN CONTRIBUTED BY Andy Fyfe <andy@hyperparallel.com>
wxCoord wx_printer_translate_x, wx_printer_translate_y;
double wx_printer_scale_x, wx_printer_scale_y;
wx_printer_translate_x = (wxCoord)m_printData.GetPrinterTranslateX();
wx_printer_translate_y = (wxCoord)m_printData.GetPrinterTranslateY();
wx_printer_scale_x = m_printData.GetPrinterScaleX();
wx_printer_scale_y = m_printData.GetPrinterScaleY();
// Compute the bounding box. Note that it is in the default user
// coordinate system, thus we have to convert the values.
wxCoord minX = (wxCoord) LogicalToDeviceX(m_minX);
wxCoord minY = (wxCoord) LogicalToDeviceY(m_minY);
wxCoord maxX = (wxCoord) LogicalToDeviceX(m_maxX);
wxCoord maxY = (wxCoord) LogicalToDeviceY(m_maxY);
// LOG2DEV may have changed the minimum to maximum vice versa
if ( minX > maxX ) { wxCoord tmp = minX; minX = maxX; maxX = tmp; }
if ( minY > maxY ) { wxCoord tmp = minY; minY = maxY; maxY = tmp; }
// account for used scaling (boundingbox is before scaling in ps-file)
double scale_x = m_printData.GetPrinterScaleX() / ms_PSScaleFactor;
double scale_y = m_printData.GetPrinterScaleY() / ms_PSScaleFactor;
wxCoord llx, lly, urx, ury;
llx = (wxCoord) ((minX+wx_printer_translate_x)*scale_x);
lly = (wxCoord) ((minY+wx_printer_translate_y)*scale_y);
urx = (wxCoord) ((maxX+wx_printer_translate_x)*scale_x);
ury = (wxCoord) ((maxY+wx_printer_translate_y)*scale_y);
// (end of bounding box computation)
// If we're landscape, our sense of "x" and "y" is reversed.
if (m_printData.GetOrientation() == wxLANDSCAPE)
{
wxCoord 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 - (wxCoord)(m_minX*wx_printer_scale_y);
urx = urx - (wxCoord)(m_minX*wx_printer_scale_y);
}
// The Adobe specifications call for integers; we round as to make
// the bounding larger.
fprintf( m_pstream,
"%%%%BoundingBox: %d %d %d %d\n",
(wxCoord)floor((double)llx), (wxCoord)floor((double)lly),
(wxCoord)ceil((double)urx), (wxCoord)ceil((double)ury) );
// 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.
fprintf( m_pstream, "%% newpath\n" );
fprintf( m_pstream, "%% %d %d moveto\n", llx, lly );
fprintf( m_pstream, "%% %d %d lineto\n", urx, lly );
fprintf( m_pstream, "%% %d %d lineto\n", urx, ury );
fprintf( m_pstream, "%% %d %d lineto closepath stroke\n", llx, ury );
#endif
#if defined(__X__) || defined(__WXGTK__)
if (m_ok && (m_printData.GetPrintMode() == wxPRINT_MODE_PRINTER))
{
wxString command;
command += m_printData.GetPrinterCommand();
command += wxT(" ");
command += m_printData.GetFilename();
wxExecute( command, TRUE );
wxRemoveFile( m_printData.GetFilename() );
}
#endif
}
void wxPostScriptDC::StartPage()
{
wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
fprintf( m_pstream, "%%%%Page: %d\n", wxPageNumber++ );
// What is this one supposed to do? RR.
// *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)
// Output scaling
wxCoord translate_x, translate_y;
double scale_x, scale_y;
translate_x = (wxCoord)m_printData.GetPrinterTranslateX();
translate_y = (wxCoord)m_printData.GetPrinterTranslateY();
scale_x = m_printData.GetPrinterScaleX();
scale_y = m_printData.GetPrinterScaleY();
if (m_printData.GetOrientation() == wxLANDSCAPE)
{
int h;
GetSize( (int*) NULL, &h );
translate_y -= h;
fprintf( m_pstream, "90 rotate\n" );
// I copied this one from a PostScript tutorial, but to no avail. RR.
// fprintf( m_pstream, "90 rotate llx neg ury nef translate\n" );
}
char buffer[100];
sprintf( buffer, "%.8f %.8f scale\n", scale_x / ms_PSScaleFactor,
scale_y / ms_PSScaleFactor);
for (int i = 0; i < 100; i++)
if (buffer[i] == ',') buffer[i] = '.';
fprintf( m_pstream, buffer );
fprintf( m_pstream, "%d %d translate\n", translate_x, translate_y );
}
void wxPostScriptDC::EndPage ()
{
wxCHECK_RET( m_ok && m_pstream, wxT("invalid postscript dc") );
fprintf( m_pstream, "showpage\n" );
}
bool wxPostScriptDC::DoBlit( wxCoord xdest, wxCoord ydest,
wxCoord fwidth, wxCoord fheight,
wxDC *source,
wxCoord xsrc, wxCoord ysrc,
int rop, bool WXUNUSED(useMask), wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask) )
{
wxCHECK_MSG( m_ok && m_pstream, FALSE, wxT("invalid postscript dc") );
wxCHECK_MSG( source, FALSE, wxT("invalid source dc") );
/* blit into a bitmap */
wxBitmap bitmap( (int)fwidth, (int)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;
}
wxCoord wxPostScriptDC::GetCharHeight() const
{
if (m_font.Ok())
return m_font.GetPointSize();
else
return 12;
}
void wxPostScriptDC::DoGetTextExtent(const wxString& string,
wxCoord *x, wxCoord *y,
wxCoord *descent, wxCoord *externalLeading,
wxFont *theFont ) const
{
wxFont *fontToUse = theFont;
if (!fontToUse) fontToUse = (wxFont*) &m_font;
wxCHECK_RET( fontToUse, wxT("GetTextExtent: no font defined") );
if (string.IsEmpty())
{
if (x) (*x) = 0;
if (y) (*y) = 0;
return;
}
#ifdef __WXGTK20__
int dpi = GetResolution();
PangoContext *context = pango_ft2_get_context ( dpi, dpi );
pango_context_set_language (context, pango_language_from_string ("en_US"));
pango_context_set_base_dir (context, PANGO_DIRECTION_LTR );
PangoLayout *layout = pango_layout_new (context);
PangoFontDescription *desc = fontToUse->GetNativeFontInfo()->description;
pango_layout_set_font_description(layout, desc);
#if wxUSE_UNICODE
const wxCharBuffer data = wxConvUTF8.cWC2MB( string );
pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
#else
const wxWCharBuffer wdata = wxConvLocal.cMB2WC( string );
const wxCharBuffer data = wxConvUTF8.cWC2MB( wdata );
pango_layout_set_text(layout, (const char*) data, strlen( (const char*) data ));
#endif
PangoLayoutLine *line = (PangoLayoutLine *)pango_layout_get_lines(layout)->data;
PangoRectangle rect;
pango_layout_line_get_extents(line, NULL, &rect);
if (x) (*x) = (wxCoord) ( m_scaleX * rect.width / PANGO_SCALE );
if (y) (*y) = (wxCoord) ( m_scaleY * rect.height / PANGO_SCALE );
if (descent)
{
// Do something about metrics here
(*descent) = 0;
}
if (externalLeading) (*externalLeading) = 0; // ??
g_object_unref( G_OBJECT( layout ) );
#else
// GTK 2.0
const wxWX2MBbuf strbuf = string.mb_str();
#if !wxUSE_AFM_FOR_POSTSCRIPT
/* 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();
}
if ( x )
*x = strlen (strbuf) * height * 72 / 120;
if ( y )
*y = (wxCoord) (height * 1.32); /* allow for descender */
if (descent) *descent = 0;
if (externalLeading) *externalLeading = 0;
#else
/* 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();
/ wxCoord 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 */
double UnderlinePosition = 0.0;
double UnderlineThickness = 0.0;
// Get actual parameters
int Family = fontToUse->GetFamily();
int Size = fontToUse->GetPointSize();
int Style = fontToUse->GetStyle();
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;
const char *name = NULL;
switch (Family)
{
case wxMODERN:
case wxTELETYPE:
{
if ((Style == wxITALIC) && (Weight == wxBOLD)) name = "CourBoO.afm";
else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = "CourBo.afm";
else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = "CourO.afm";
else name = "Cour.afm";
break;
}
case wxROMAN:
{
if ((Style == wxITALIC) && (Weight == wxBOLD)) name = "TimesBoO.afm";
else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = "TimesBo.afm";
else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = "TimesO.afm";
else name = "TimesRo.afm";
break;
}
case wxSCRIPT:
{
name = "Zapf.afm";
Style = wxNORMAL;
Weight = wxNORMAL;
}
case wxSWISS:
default:
{
if ((Style == wxITALIC) && (Weight == wxBOLD)) name = "HelvBoO.afm";
else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = "HelvBo.afm";
else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = "HelvO.afm";
else name = "Helv.afm";
break;
}
}
FILE *afmFile = NULL;
// Get the directory of the AFM files
wxString afmName;
if (!m_printData.GetFontMetricPath().IsEmpty())
{
afmName = m_printData.GetFontMetricPath();
afmName << wxFILE_SEP_PATH << name;
afmFile = wxFopen(afmName,wxT("r"));
}
#if defined(__UNIX__) && !defined(__VMS__)
if (afmFile==NULL)
{
afmName = wxGetDataDir();
afmName << wxFILE_SEP_PATH
#if defined(__LINUX__) || defined(__FREEBSD__)
<< wxT("gs_afm") << wxFILE_SEP_PATH
#else
<< wxT("afm") << wxFILE_SEP_PATH
#endif
<< name;
afmFile = wxFopen(afmName,wxT("r"));
}
#endif
/* 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.). */
if (afmFile==NULL)
{
wxLogDebug( wxT("GetTextExtent: can't open AFM file '%s'"), afmName.c_str() );
wxLogDebug( wxT(" using approximate values"));
for (int i=0; i<256; i++) lastWidths[i] = 500; /* an approximate value */
lastDescender = -150; /* dito. */
}
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( wxT("AFM-file '%s': line '%s' has error (bad descender)"), afmName.c_str(),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( wxT("AFM-file '%s': line '%s' has error (bad UnderlinePosition)"), afmName.c_str(), 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( wxT("AFM-file '%s': line '%s' has error (bad UnderlineThickness)"), afmName.c_str(), 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( wxT("AFM-file '%s': line '%s' has error (bad EncodingScheme)"), afmName.c_str(), line );
}
else if (strncmp(encString, "AdobeStandardEncoding", 21))
{
wxLogDebug( wxT("AFM-file '%s': line '%s' has error (unsupported EncodingScheme %s)"),
afmName.c_str(),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(wxT("AFM-file '%s': line '%s' has an error (bad character width)"),afmName.c_str(),line);
}
if(strcmp(cString,"C")!=0 || strcmp(semiString,";")!=0 || strcmp(WXString,"WX")!=0)
{
wxLogDebug(wxT("AFM-file '%s': line '%s' has a format error"),afmName.c_str(),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",afmName.c_str(),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']; // ─
lastWidths[228] = lastWidths['a']; // Σ
lastWidths[214] = lastWidths['O']; // ╓
lastWidths[246] = lastWidths['o']; // ÷
lastWidths[220] = lastWidths['U']; // ▄
lastWidths[252] = lastWidths['u']; // ⁿ
lastWidths[223] = lastWidths[251]; // ▀
/* JC: calculate UnderlineThickness/UnderlinePosition */
// VS: dirty, but is there any better solution?
double *pt;
pt = (double*) &m_underlinePosition;
*pt = LogicalToDeviceYRel((wxCoord)(UnderlinePosition * fontToUse->GetPointSize())) / 1000.0f;
pt = (double*) &m_underlineThickness;
*pt = LogicalToDeviceYRel((wxCoord)(UnderlineThickness * fontToUse->GetPointSize())) / 1000.0f;
}
/* 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 sum=0;
wxCoord height=Size; /* by default */
unsigned char *p;
for(p=(unsigned char *)wxMBSTRINGCAST strbuf; *p; p++)
{
if(lastWidths[*p]== INT_MIN)
{
wxLogDebug(wxT("GetTextExtent: undefined width for character '%c' (%d)"), *p,*p);
sum += lastWidths[' ']; /* assume space */
}
else
{
sum += lastWidths[*p];
}
}
double widthSum = sum;
widthSum *= Size;
widthSum /= 1000.0F;
/* add descender to height (it is usually a negative value) */
//if (lastDescender != INT_MIN)
//{
// height += (wxCoord)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */
//}
// - commented by V. Slavik - height already contains descender in it
// (judging from few experiments)
/* return size values */
if ( x )
*x = (wxCoord)widthSum;
if ( y )
*y = height;
/* return other parameters */
if (descent)
{
if(lastDescender!=INT_MIN)
{
*descent = (wxCoord)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */
}
else
{
*descent = 0;
}
}
/* currently no idea how to calculate this! */
if (externalLeading) *externalLeading = 0;
#endif
// Use AFM
#endif
// GTK 2.0
}
#endif
// wxUSE_POSTSCRIPT
#endif
// wxUSE_PRINTING_ARCHITECTURE