| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: src/generic/dcpsg.cpp |
| 3 | // Purpose: Generic wxPostScriptDC implementation |
| 4 | // Author: Julian Smart, Robert Roebling, Markus Holzhem |
| 5 | // Modified by: |
| 6 | // Created: 04/01/98 |
| 7 | // RCS-ID: $Id$ |
| 8 | // Copyright: (c) Julian Smart |
| 9 | // Licence: wxWindows licence |
| 10 | ///////////////////////////////////////////////////////////////////////////// |
| 11 | |
| 12 | #include "wx/wxprec.h" |
| 13 | |
| 14 | #ifdef __BORLANDC__ |
| 15 | #pragma hdrstop |
| 16 | #endif |
| 17 | |
| 18 | #if wxUSE_PRINTING_ARCHITECTURE && wxUSE_POSTSCRIPT |
| 19 | |
| 20 | #include "wx/generic/dcpsg.h" |
| 21 | |
| 22 | #ifndef WX_PRECOMP |
| 23 | #include "wx/intl.h" |
| 24 | #include "wx/log.h" |
| 25 | #include "wx/utils.h" |
| 26 | #include "wx/dcmemory.h" |
| 27 | #include "wx/math.h" |
| 28 | #include "wx/image.h" |
| 29 | #include "wx/icon.h" |
| 30 | #endif // WX_PRECOMP |
| 31 | |
| 32 | #include "wx/prntbase.h" |
| 33 | #include "wx/generic/prntdlgg.h" |
| 34 | #include "wx/paper.h" |
| 35 | #include "wx/filename.h" |
| 36 | #include "wx/stdpaths.h" |
| 37 | |
| 38 | #ifdef __WXMSW__ |
| 39 | |
| 40 | #ifdef DrawText |
| 41 | #undef DrawText |
| 42 | #endif |
| 43 | |
| 44 | #ifdef StartDoc |
| 45 | #undef StartDoc |
| 46 | #endif |
| 47 | |
| 48 | #ifdef GetCharWidth |
| 49 | #undef GetCharWidth |
| 50 | #endif |
| 51 | |
| 52 | #ifdef FindWindow |
| 53 | #undef FindWindow |
| 54 | #endif |
| 55 | |
| 56 | #endif |
| 57 | |
| 58 | //----------------------------------------------------------------------------- |
| 59 | // start and end of document/page |
| 60 | //----------------------------------------------------------------------------- |
| 61 | |
| 62 | static const char *wxPostScriptHeaderConicTo = "\ |
| 63 | /conicto {\n\ |
| 64 | /to_y exch def\n\ |
| 65 | /to_x exch def\n\ |
| 66 | /conic_cntrl_y exch def\n\ |
| 67 | /conic_cntrl_x exch def\n\ |
| 68 | currentpoint\n\ |
| 69 | /p0_y exch def\n\ |
| 70 | /p0_x exch def\n\ |
| 71 | /p1_x p0_x conic_cntrl_x p0_x sub 2 3 div mul add def\n\ |
| 72 | /p1_y p0_y conic_cntrl_y p0_y sub 2 3 div mul add def\n\ |
| 73 | /p2_x p1_x to_x p0_x sub 1 3 div mul add def\n\ |
| 74 | /p2_y p1_y to_y p0_y sub 1 3 div mul add def\n\ |
| 75 | p1_x p1_y p2_x p2_y to_x to_y curveto\n\ |
| 76 | } bind def\n\ |
| 77 | "; |
| 78 | |
| 79 | static const char *wxPostScriptHeaderEllipse = "\ |
| 80 | /ellipsedict 8 dict def\n\ |
| 81 | ellipsedict /mtrx matrix put\n\ |
| 82 | /ellipse {\n\ |
| 83 | ellipsedict begin\n\ |
| 84 | /endangle exch def\n\ |
| 85 | /startangle exch def\n\ |
| 86 | /yrad exch def\n\ |
| 87 | /xrad exch def\n\ |
| 88 | /y exch def\n\ |
| 89 | /x exch def\n\ |
| 90 | /savematrix mtrx currentmatrix def\n\ |
| 91 | x y translate\n\ |
| 92 | xrad yrad scale\n\ |
| 93 | 0 0 1 startangle endangle arc\n\ |
| 94 | savematrix setmatrix\n\ |
| 95 | end\n\ |
| 96 | } def\n\ |
| 97 | "; |
| 98 | |
| 99 | static const char *wxPostScriptHeaderEllipticArc= "\ |
| 100 | /ellipticarcdict 8 dict def\n\ |
| 101 | ellipticarcdict /mtrx matrix put\n\ |
| 102 | /ellipticarc\n\ |
| 103 | { ellipticarcdict begin\n\ |
| 104 | /do_fill exch def\n\ |
| 105 | /endangle exch def\n\ |
| 106 | /startangle exch def\n\ |
| 107 | /yrad exch def\n\ |
| 108 | /xrad exch def \n\ |
| 109 | /y exch def\n\ |
| 110 | /x exch def\n\ |
| 111 | /savematrix mtrx currentmatrix def\n\ |
| 112 | x y translate\n\ |
| 113 | xrad yrad scale\n\ |
| 114 | do_fill { 0 0 moveto } if\n\ |
| 115 | 0 0 1 startangle endangle arc\n\ |
| 116 | savematrix setmatrix\n\ |
| 117 | do_fill { fill }{ stroke } ifelse\n\ |
| 118 | end\n\ |
| 119 | } def\n"; |
| 120 | |
| 121 | static const char *wxPostScriptHeaderSpline = "\ |
| 122 | /DrawSplineSection {\n\ |
| 123 | /y3 exch def\n\ |
| 124 | /x3 exch def\n\ |
| 125 | /y2 exch def\n\ |
| 126 | /x2 exch def\n\ |
| 127 | /y1 exch def\n\ |
| 128 | /x1 exch def\n\ |
| 129 | /xa x1 x2 x1 sub 0.666667 mul add def\n\ |
| 130 | /ya y1 y2 y1 sub 0.666667 mul add def\n\ |
| 131 | /xb x3 x2 x3 sub 0.666667 mul add def\n\ |
| 132 | /yb y3 y2 y3 sub 0.666667 mul add def\n\ |
| 133 | x1 y1 lineto\n\ |
| 134 | xa ya xb yb x3 y3 curveto\n\ |
| 135 | } def\n\ |
| 136 | "; |
| 137 | |
| 138 | static const char *wxPostScriptHeaderColourImage = "\ |
| 139 | % define 'colorimage' if it isn't defined\n\ |
| 140 | % ('colortogray' and 'mergeprocs' come from xwd2ps\n\ |
| 141 | % via xgrab)\n\ |
| 142 | /colorimage where % do we know about 'colorimage'?\n\ |
| 143 | { pop } % yes: pop off the 'dict' returned\n\ |
| 144 | { % no: define one\n\ |
| 145 | /colortogray { % define an RGB->I function\n\ |
| 146 | /rgbdata exch store % call input 'rgbdata'\n\ |
| 147 | rgbdata length 3 idiv\n\ |
| 148 | /npixls exch store\n\ |
| 149 | /rgbindx 0 store\n\ |
| 150 | 0 1 npixls 1 sub {\n\ |
| 151 | grays exch\n\ |
| 152 | rgbdata rgbindx get 20 mul % Red\n\ |
| 153 | rgbdata rgbindx 1 add get 32 mul % Green\n\ |
| 154 | rgbdata rgbindx 2 add get 12 mul % Blue\n\ |
| 155 | add add 64 idiv % I = .5G + .31R + .18B\n\ |
| 156 | put\n\ |
| 157 | /rgbindx rgbindx 3 add store\n\ |
| 158 | } for\n\ |
| 159 | grays 0 npixls getinterval\n\ |
| 160 | } bind def\n\ |
| 161 | \n\ |
| 162 | % Utility procedure for colorimage operator.\n\ |
| 163 | % This procedure takes two procedures off the\n\ |
| 164 | % stack and merges them into a single procedure.\n\ |
| 165 | \n\ |
| 166 | /mergeprocs { % def\n\ |
| 167 | dup length\n\ |
| 168 | 3 -1 roll\n\ |
| 169 | dup\n\ |
| 170 | length\n\ |
| 171 | dup\n\ |
| 172 | 5 1 roll\n\ |
| 173 | 3 -1 roll\n\ |
| 174 | add\n\ |
| 175 | array cvx\n\ |
| 176 | dup\n\ |
| 177 | 3 -1 roll\n\ |
| 178 | 0 exch\n\ |
| 179 | putinterval\n\ |
| 180 | dup\n\ |
| 181 | 4 2 roll\n\ |
| 182 | putinterval\n\ |
| 183 | } bind def\n\ |
| 184 | \n\ |
| 185 | /colorimage { % def\n\ |
| 186 | pop pop % remove 'false 3' operands\n\ |
| 187 | {colortogray} mergeprocs\n\ |
| 188 | image\n\ |
| 189 | } bind def\n\ |
| 190 | } ifelse % end of 'false' case\n\ |
| 191 | "; |
| 192 | |
| 193 | static const char wxPostScriptHeaderReencodeISO1[] = |
| 194 | "\n/reencodeISO {\n" |
| 195 | "dup dup findfont dup length dict begin\n" |
| 196 | "{ 1 index /FID ne { def }{ pop pop } ifelse } forall\n" |
| 197 | "/Encoding ISOLatin1Encoding def\n" |
| 198 | "currentdict end definefont\n" |
| 199 | "} def\n" |
| 200 | "/ISOLatin1Encoding [\n" |
| 201 | "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n" |
| 202 | "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n" |
| 203 | "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n" |
| 204 | "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n" |
| 205 | "/space/exclam/quotedbl/numbersign/dollar/percent/ampersand/quoteright\n" |
| 206 | "/parenleft/parenright/asterisk/plus/comma/minus/period/slash\n" |
| 207 | "/zero/one/two/three/four/five/six/seven/eight/nine/colon/semicolon\n" |
| 208 | "/less/equal/greater/question/at/A/B/C/D/E/F/G/H/I/J/K/L/M/N\n" |
| 209 | "/O/P/Q/R/S/T/U/V/W/X/Y/Z/bracketleft/backslash/bracketright\n" |
| 210 | "/asciicircum/underscore/quoteleft/a/b/c/d/e/f/g/h/i/j/k/l/m\n" |
| 211 | "/n/o/p/q/r/s/t/u/v/w/x/y/z/braceleft/bar/braceright/asciitilde\n" |
| 212 | "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n" |
| 213 | "/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef/.notdef\n" |
| 214 | "/.notdef/dotlessi/grave/acute/circumflex/tilde/macron/breve\n" |
| 215 | "/dotaccent/dieresis/.notdef/ring/cedilla/.notdef/hungarumlaut\n"; |
| 216 | |
| 217 | static const char wxPostScriptHeaderReencodeISO2[] = |
| 218 | "/ogonek/caron/space/exclamdown/cent/sterling/currency/yen/brokenbar\n" |
| 219 | "/section/dieresis/copyright/ordfeminine/guillemotleft/logicalnot\n" |
| 220 | "/hyphen/registered/macron/degree/plusminus/twosuperior/threesuperior\n" |
| 221 | "/acute/mu/paragraph/periodcentered/cedilla/onesuperior/ordmasculine\n" |
| 222 | "/guillemotright/onequarter/onehalf/threequarters/questiondown\n" |
| 223 | "/Agrave/Aacute/Acircumflex/Atilde/Adieresis/Aring/AE/Ccedilla\n" |
| 224 | "/Egrave/Eacute/Ecircumflex/Edieresis/Igrave/Iacute/Icircumflex\n" |
| 225 | "/Idieresis/Eth/Ntilde/Ograve/Oacute/Ocircumflex/Otilde/Odieresis\n" |
| 226 | "/multiply/Oslash/Ugrave/Uacute/Ucircumflex/Udieresis/Yacute\n" |
| 227 | "/Thorn/germandbls/agrave/aacute/acircumflex/atilde/adieresis\n" |
| 228 | "/aring/ae/ccedilla/egrave/eacute/ecircumflex/edieresis/igrave\n" |
| 229 | "/iacute/icircumflex/idieresis/eth/ntilde/ograve/oacute/ocircumflex\n" |
| 230 | "/otilde/odieresis/divide/oslash/ugrave/uacute/ucircumflex/udieresis\n" |
| 231 | "/yacute/thorn/ydieresis\n" |
| 232 | "] def\n\n"; |
| 233 | |
| 234 | //------------------------------------------------------------------------------- |
| 235 | // wxPostScriptDC |
| 236 | //------------------------------------------------------------------------------- |
| 237 | |
| 238 | |
| 239 | IMPLEMENT_DYNAMIC_CLASS(wxPostScriptDC, wxDC) |
| 240 | |
| 241 | wxPostScriptDC::wxPostScriptDC() |
| 242 | : wxDC(new wxPostScriptDCImpl(this)) |
| 243 | { |
| 244 | } |
| 245 | |
| 246 | wxPostScriptDC::wxPostScriptDC(const wxPrintData& printData) |
| 247 | : wxDC(new wxPostScriptDCImpl(this, printData)) |
| 248 | { |
| 249 | } |
| 250 | |
| 251 | // conversion |
| 252 | static const double RAD2DEG = 180.0 / M_PI; |
| 253 | |
| 254 | // we don't want to use only 72 dpi from PS print |
| 255 | static const int DPI = 600; |
| 256 | static const double PS2DEV = 600.0 / 72.0; |
| 257 | static const double DEV2PS = 72.0 / 600.0; |
| 258 | |
| 259 | #define XLOG2DEV(x) ((double)(LogicalToDeviceX(x)) * DEV2PS) |
| 260 | #define XLOG2DEVREL(x) ((double)(LogicalToDeviceXRel(x)) * DEV2PS) |
| 261 | #define YLOG2DEV(x) ((m_pageHeight - (double)LogicalToDeviceY(x)) * DEV2PS) |
| 262 | #define YLOG2DEVREL(x) ((double)(LogicalToDeviceYRel(x)) * DEV2PS) |
| 263 | |
| 264 | |
| 265 | IMPLEMENT_ABSTRACT_CLASS(wxPostScriptDCImpl, wxDCImpl) |
| 266 | |
| 267 | //------------------------------------------------------------------------------- |
| 268 | |
| 269 | wxPostScriptDCImpl::wxPostScriptDCImpl( wxPostScriptDC *owner ) : |
| 270 | wxDCImpl( owner ) |
| 271 | { |
| 272 | Init(); |
| 273 | |
| 274 | m_pageHeight = 842 * PS2DEV; |
| 275 | |
| 276 | m_ok = true; |
| 277 | } |
| 278 | |
| 279 | wxPostScriptDCImpl::wxPostScriptDCImpl( wxPostScriptDC *owner, const wxPrintData& data ) : |
| 280 | wxDCImpl( owner ) |
| 281 | { |
| 282 | Init(); |
| 283 | |
| 284 | // this calculates m_pageHeight required for |
| 285 | // taking the inverted Y axis into account |
| 286 | SetPrintData( data ); |
| 287 | |
| 288 | m_ok = true; |
| 289 | } |
| 290 | |
| 291 | |
| 292 | wxPostScriptDCImpl::wxPostScriptDCImpl( wxPrinterDC *owner ) : |
| 293 | wxDCImpl( owner ) |
| 294 | { |
| 295 | Init(); |
| 296 | |
| 297 | m_pageHeight = 842 * PS2DEV; |
| 298 | |
| 299 | m_ok = true; |
| 300 | } |
| 301 | |
| 302 | wxPostScriptDCImpl::wxPostScriptDCImpl( wxPrinterDC *owner, const wxPrintData& data ) : |
| 303 | wxDCImpl( owner ) |
| 304 | { |
| 305 | Init(); |
| 306 | |
| 307 | // this calculates m_pageHeight required for |
| 308 | // taking the inverted Y axis into account |
| 309 | SetPrintData( data ); |
| 310 | |
| 311 | m_ok = true; |
| 312 | } |
| 313 | |
| 314 | void wxPostScriptDCImpl::Init() |
| 315 | { |
| 316 | m_pstream = NULL; |
| 317 | |
| 318 | m_currentRed = 0; |
| 319 | m_currentGreen = 0; |
| 320 | m_currentBlue = 0; |
| 321 | |
| 322 | m_pageNumber = 0; |
| 323 | |
| 324 | m_clipping = false; |
| 325 | |
| 326 | m_underlinePosition = 0.0; |
| 327 | m_underlineThickness = 0.0; |
| 328 | |
| 329 | } |
| 330 | |
| 331 | wxPostScriptDCImpl::~wxPostScriptDCImpl () |
| 332 | { |
| 333 | if (m_pstream) |
| 334 | { |
| 335 | fclose( m_pstream ); |
| 336 | m_pstream = NULL; |
| 337 | } |
| 338 | } |
| 339 | |
| 340 | bool wxPostScriptDCImpl::IsOk() const |
| 341 | { |
| 342 | return m_ok; |
| 343 | } |
| 344 | |
| 345 | wxRect wxPostScriptDCImpl::GetPaperRect() const |
| 346 | { |
| 347 | int w = 0; |
| 348 | int h = 0; |
| 349 | DoGetSize( &w, &h ); |
| 350 | return wxRect(0,0,w,h); |
| 351 | } |
| 352 | |
| 353 | int wxPostScriptDCImpl::GetResolution() const |
| 354 | { |
| 355 | return DPI; |
| 356 | } |
| 357 | |
| 358 | void wxPostScriptDCImpl::DoSetClippingRegion (wxCoord x, wxCoord y, wxCoord w, wxCoord h) |
| 359 | { |
| 360 | wxCHECK_RET( m_ok , wxT("invalid postscript dc") ); |
| 361 | |
| 362 | if (m_clipping) |
| 363 | DestroyClippingRegion(); |
| 364 | |
| 365 | m_clipX1 = x; |
| 366 | m_clipY1 = y; |
| 367 | m_clipX2 = x + w; |
| 368 | m_clipY2 = y + h; |
| 369 | |
| 370 | m_clipping = true; |
| 371 | |
| 372 | wxString buffer; |
| 373 | buffer.Printf( "gsave\n" |
| 374 | "newpath\n" |
| 375 | "%f %f moveto\n" |
| 376 | "%f %f lineto\n" |
| 377 | "%f %f lineto\n" |
| 378 | "%f %f lineto\n" |
| 379 | "closepath clip newpath\n", |
| 380 | XLOG2DEV(x), YLOG2DEV(y), |
| 381 | XLOG2DEV(x+w), YLOG2DEV(y), |
| 382 | XLOG2DEV(x+w), YLOG2DEV(y+h), |
| 383 | XLOG2DEV(x), YLOG2DEV(y+h) ); |
| 384 | buffer.Replace( ",", "." ); |
| 385 | PsPrint( buffer ); |
| 386 | } |
| 387 | |
| 388 | |
| 389 | void wxPostScriptDCImpl::DestroyClippingRegion() |
| 390 | { |
| 391 | wxCHECK_RET( m_ok , wxT("invalid postscript dc") ); |
| 392 | |
| 393 | if (m_clipping) |
| 394 | { |
| 395 | m_clipping = false; |
| 396 | PsPrint( "grestore\n" ); |
| 397 | } |
| 398 | |
| 399 | wxDCImpl::DestroyClippingRegion(); |
| 400 | } |
| 401 | |
| 402 | void wxPostScriptDCImpl::Clear() |
| 403 | { |
| 404 | // This should fail silently to avoid unnecessary |
| 405 | // asserts |
| 406 | // wxFAIL_MSG( wxT("wxPostScriptDCImpl::Clear not implemented.") ); |
| 407 | } |
| 408 | |
| 409 | bool wxPostScriptDCImpl::DoFloodFill (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), const wxColour &WXUNUSED(col), wxFloodFillStyle WXUNUSED(style)) |
| 410 | { |
| 411 | wxFAIL_MSG( wxT("wxPostScriptDCImpl::FloodFill not implemented.") ); |
| 412 | return false; |
| 413 | } |
| 414 | |
| 415 | bool wxPostScriptDCImpl::DoGetPixel (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y), wxColour * WXUNUSED(col)) const |
| 416 | { |
| 417 | wxFAIL_MSG( wxT("wxPostScriptDCImpl::GetPixel not implemented.") ); |
| 418 | return false; |
| 419 | } |
| 420 | |
| 421 | void wxPostScriptDCImpl::DoCrossHair (wxCoord WXUNUSED(x), wxCoord WXUNUSED(y)) |
| 422 | { |
| 423 | wxFAIL_MSG( wxT("wxPostScriptDCImpl::CrossHair not implemented.") ); |
| 424 | } |
| 425 | |
| 426 | void wxPostScriptDCImpl::DoDrawLine (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) |
| 427 | { |
| 428 | wxCHECK_RET( m_ok, wxT("invalid postscript dc") ); |
| 429 | |
| 430 | if ( m_pen.IsTransparent() ) |
| 431 | return; |
| 432 | |
| 433 | SetPen( m_pen ); |
| 434 | |
| 435 | wxString buffer; |
| 436 | buffer.Printf( "newpath\n" |
| 437 | "%f %f moveto\n" |
| 438 | "%f %f lineto\n" |
| 439 | "stroke\n", |
| 440 | XLOG2DEV(x1), YLOG2DEV(y1), |
| 441 | XLOG2DEV(x2), YLOG2DEV(y2) ); |
| 442 | buffer.Replace( ",", "." ); |
| 443 | PsPrint( buffer ); |
| 444 | |
| 445 | CalcBoundingBox( x1, y1 ); |
| 446 | CalcBoundingBox( x2, y2 ); |
| 447 | } |
| 448 | |
| 449 | void wxPostScriptDCImpl::DoDrawArc (wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2, wxCoord xc, wxCoord yc) |
| 450 | { |
| 451 | wxCHECK_RET( m_ok, wxT("invalid postscript dc") ); |
| 452 | |
| 453 | wxCoord dx = x1 - xc; |
| 454 | wxCoord dy = y1 - yc; |
| 455 | double radius = sqrt( (double)(dx*dx+dy*dy) ); |
| 456 | double alpha1, alpha2; |
| 457 | |
| 458 | if (x1 == x2 && y1 == y2) |
| 459 | { |
| 460 | alpha1 = 0.0; |
| 461 | alpha2 = 360.0; |
| 462 | } |
| 463 | else if ( wxIsNullDouble(radius) ) |
| 464 | { |
| 465 | alpha1 = |
| 466 | alpha2 = 0.0; |
| 467 | } |
| 468 | else |
| 469 | { |
| 470 | alpha1 = (x1 - xc == 0) ? |
| 471 | (y1 - yc < 0) ? 90.0 : -90.0 : |
| 472 | -atan2(double(y1-yc), double(x1-xc)) * RAD2DEG; |
| 473 | alpha2 = (x2 - xc == 0) ? |
| 474 | (y2 - yc < 0) ? 90.0 : -90.0 : |
| 475 | -atan2(double(y2-yc), double(x2-xc)) * RAD2DEG; |
| 476 | } |
| 477 | while (alpha1 <= 0) alpha1 += 360; |
| 478 | while (alpha2 <= 0) alpha2 += 360; // adjust angles to be between |
| 479 | while (alpha1 > 360) alpha1 -= 360; // 0 and 360 degree |
| 480 | while (alpha2 > 360) alpha2 -= 360; |
| 481 | |
| 482 | int i_radius = wxRound( radius ); |
| 483 | |
| 484 | if ( m_brush.IsNonTransparent() ) |
| 485 | { |
| 486 | SetBrush( m_brush ); |
| 487 | |
| 488 | wxString buffer; |
| 489 | buffer.Printf( "newpath\n" |
| 490 | "%f %f %f %f %f %f ellipse\n" |
| 491 | "%f %f lineto\n" |
| 492 | "closepath\n" |
| 493 | "fill\n", |
| 494 | XLOG2DEV(xc), YLOG2DEV(yc), |
| 495 | XLOG2DEVREL(i_radius), YLOG2DEVREL(i_radius), |
| 496 | alpha1, alpha2, |
| 497 | XLOG2DEV(xc), YLOG2DEV(yc) ); |
| 498 | buffer.Replace( ",", "." ); |
| 499 | PsPrint( buffer ); |
| 500 | |
| 501 | CalcBoundingBox( xc-i_radius, yc-i_radius ); |
| 502 | CalcBoundingBox( xc+i_radius, yc+i_radius ); |
| 503 | } |
| 504 | |
| 505 | if ( m_pen.IsNonTransparent() ) |
| 506 | { |
| 507 | SetPen( m_pen ); |
| 508 | |
| 509 | wxString buffer; |
| 510 | buffer.Printf( "newpath\n" |
| 511 | "%f %f %f %f %f %f ellipse\n" |
| 512 | "%f %f lineto\n" |
| 513 | "closepath\n" |
| 514 | "stroke\n", |
| 515 | XLOG2DEV(xc), YLOG2DEV(yc), |
| 516 | XLOG2DEVREL(i_radius), YLOG2DEVREL(i_radius), |
| 517 | alpha1, alpha2, |
| 518 | XLOG2DEV(xc), YLOG2DEV(yc) ); |
| 519 | buffer.Replace( ",", "." ); |
| 520 | PsPrint( buffer ); |
| 521 | |
| 522 | CalcBoundingBox( xc-i_radius, yc-i_radius ); |
| 523 | CalcBoundingBox( xc+i_radius, yc+i_radius ); |
| 524 | } |
| 525 | } |
| 526 | |
| 527 | void wxPostScriptDCImpl::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea) |
| 528 | { |
| 529 | wxCHECK_RET( m_ok, wxT("invalid postscript dc") ); |
| 530 | |
| 531 | if ( sa >= 360 || sa <= -360 ) |
| 532 | sa -= int(sa/360)*360; |
| 533 | if ( ea >= 360 || ea <=- 360 ) |
| 534 | ea -= int(ea/360)*360; |
| 535 | if ( sa < 0 ) |
| 536 | sa += 360; |
| 537 | if ( ea < 0 ) |
| 538 | ea += 360; |
| 539 | |
| 540 | if ( wxIsSameDouble(sa, ea) ) |
| 541 | { |
| 542 | DoDrawEllipse(x,y,w,h); |
| 543 | return; |
| 544 | } |
| 545 | |
| 546 | if ( m_brush.IsNonTransparent() ) |
| 547 | { |
| 548 | SetBrush( m_brush ); |
| 549 | |
| 550 | wxString buffer; |
| 551 | buffer.Printf( "newpath\n" |
| 552 | "%f %f %f %f %f %f true ellipticarc\n", |
| 553 | XLOG2DEV(x+w/2), YLOG2DEV(y+h/2), |
| 554 | XLOG2DEVREL(w/2), YLOG2DEVREL(h/2), |
| 555 | sa, ea ); |
| 556 | buffer.Replace( ",", "." ); |
| 557 | PsPrint( buffer ); |
| 558 | |
| 559 | CalcBoundingBox( x ,y ); |
| 560 | CalcBoundingBox( x+w, y+h ); |
| 561 | } |
| 562 | |
| 563 | if ( m_pen.IsNonTransparent() ) |
| 564 | { |
| 565 | SetPen( m_pen ); |
| 566 | |
| 567 | wxString buffer; |
| 568 | buffer.Printf( "newpath\n" |
| 569 | "%f %f %f %f %f %f false ellipticarc\n", |
| 570 | XLOG2DEV(x+w/2), YLOG2DEV(y+h/2), |
| 571 | XLOG2DEVREL(w/2), YLOG2DEVREL(h/2), |
| 572 | sa, ea ); |
| 573 | buffer.Replace( ",", "." ); |
| 574 | PsPrint( buffer ); |
| 575 | |
| 576 | CalcBoundingBox( x ,y ); |
| 577 | CalcBoundingBox( x+w, y+h ); |
| 578 | } |
| 579 | } |
| 580 | |
| 581 | void wxPostScriptDCImpl::DoDrawPoint (wxCoord x, wxCoord y) |
| 582 | { |
| 583 | wxCHECK_RET( m_ok, wxT("invalid postscript dc") ); |
| 584 | |
| 585 | if ( m_pen.IsTransparent() ) |
| 586 | return; |
| 587 | |
| 588 | SetPen (m_pen); |
| 589 | |
| 590 | wxString buffer; |
| 591 | buffer.Printf( "newpath\n" |
| 592 | "%f %f moveto\n" |
| 593 | "%f %f lineto\n" |
| 594 | "stroke\n", |
| 595 | XLOG2DEV(x), YLOG2DEV(y), |
| 596 | XLOG2DEV(x+1), YLOG2DEV(y) ); |
| 597 | buffer.Replace( ",", "." ); |
| 598 | PsPrint( buffer ); |
| 599 | |
| 600 | CalcBoundingBox( x, y ); |
| 601 | } |
| 602 | |
| 603 | void wxPostScriptDCImpl::DoDrawPolygon (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset, wxPolygonFillMode fillStyle) |
| 604 | { |
| 605 | wxCHECK_RET( m_ok, wxT("invalid postscript dc") ); |
| 606 | |
| 607 | if (n <= 0) return; |
| 608 | |
| 609 | if ( m_brush.IsNonTransparent() ) |
| 610 | { |
| 611 | SetBrush( m_brush ); |
| 612 | |
| 613 | PsPrint( "newpath\n" ); |
| 614 | |
| 615 | double xx = XLOG2DEV(points[0].x + xoffset); |
| 616 | double yy = YLOG2DEV(points[0].y + yoffset); |
| 617 | |
| 618 | wxString buffer; |
| 619 | buffer.Printf( "%f %f moveto\n", xx, yy ); |
| 620 | buffer.Replace( ",", "." ); |
| 621 | PsPrint( buffer ); |
| 622 | |
| 623 | CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset ); |
| 624 | |
| 625 | for (int i = 1; i < n; i++) |
| 626 | { |
| 627 | xx = XLOG2DEV(points[i].x + xoffset); |
| 628 | yy = YLOG2DEV(points[i].y + yoffset); |
| 629 | |
| 630 | buffer.Printf( "%f %f lineto\n", xx, yy ); |
| 631 | buffer.Replace( ",", "." ); |
| 632 | PsPrint( buffer ); |
| 633 | |
| 634 | CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset); |
| 635 | } |
| 636 | |
| 637 | PsPrint( (fillStyle == wxODDEVEN_RULE ? "eofill\n" : "fill\n") ); |
| 638 | } |
| 639 | |
| 640 | if ( m_pen.IsNonTransparent() ) |
| 641 | { |
| 642 | SetPen( m_pen ); |
| 643 | |
| 644 | PsPrint( "newpath\n" ); |
| 645 | |
| 646 | double xx = XLOG2DEV(points[0].x + xoffset); |
| 647 | double yy = YLOG2DEV(points[0].y + yoffset); |
| 648 | |
| 649 | wxString buffer; |
| 650 | buffer.Printf( "%f %f moveto\n", xx, yy ); |
| 651 | buffer.Replace( ",", "." ); |
| 652 | PsPrint( buffer ); |
| 653 | |
| 654 | CalcBoundingBox( points[0].x + xoffset, points[0].y + yoffset ); |
| 655 | |
| 656 | for (int i = 1; i < n; i++) |
| 657 | { |
| 658 | xx = XLOG2DEV(points[i].x + xoffset); |
| 659 | yy = YLOG2DEV(points[i].y + yoffset); |
| 660 | |
| 661 | buffer.Printf( "%f %f lineto\n", xx, yy ); |
| 662 | buffer.Replace( ",", "." ); |
| 663 | PsPrint( buffer ); |
| 664 | |
| 665 | CalcBoundingBox( points[i].x + xoffset, points[i].y + yoffset); |
| 666 | } |
| 667 | |
| 668 | PsPrint( "closepath\n" ); |
| 669 | PsPrint( "stroke\n" ); |
| 670 | } |
| 671 | } |
| 672 | |
| 673 | void wxPostScriptDCImpl::DoDrawPolyPolygon (int n, int count[], wxPoint points[], wxCoord xoffset, wxCoord yoffset, wxPolygonFillMode fillStyle) |
| 674 | { |
| 675 | wxCHECK_RET( m_ok, wxT("invalid postscript dc") ); |
| 676 | |
| 677 | if (n <= 0) return; |
| 678 | |
| 679 | if ( m_brush.IsNonTransparent() ) |
| 680 | { |
| 681 | SetBrush( m_brush ); |
| 682 | |
| 683 | PsPrint( "newpath\n" ); |
| 684 | |
| 685 | int ofs = 0; |
| 686 | for (int i = 0; i < n; ofs += count[i++]) |
| 687 | { |
| 688 | double xx = XLOG2DEV(points[ofs].x + xoffset); |
| 689 | double yy = YLOG2DEV(points[ofs].y + yoffset); |
| 690 | |
| 691 | wxString buffer; |
| 692 | buffer.Printf( "%f %f moveto\n", xx, yy ); |
| 693 | buffer.Replace( ",", "." ); |
| 694 | PsPrint( buffer ); |
| 695 | |
| 696 | CalcBoundingBox( points[ofs].x + xoffset, points[ofs].y + yoffset ); |
| 697 | |
| 698 | for (int j = 1; j < count[i]; j++) |
| 699 | { |
| 700 | xx = XLOG2DEV(points[ofs+j].x + xoffset); |
| 701 | yy = YLOG2DEV(points[ofs+j].y + yoffset); |
| 702 | |
| 703 | buffer.Printf( "%f %f lineto\n", xx, yy ); |
| 704 | buffer.Replace( ",", "." ); |
| 705 | PsPrint( buffer ); |
| 706 | |
| 707 | CalcBoundingBox( points[ofs+j].x + xoffset, points[ofs+j].y + yoffset); |
| 708 | } |
| 709 | } |
| 710 | PsPrint( (fillStyle == wxODDEVEN_RULE ? "eofill\n" : "fill\n") ); |
| 711 | } |
| 712 | |
| 713 | if ( m_pen.IsNonTransparent() ) |
| 714 | { |
| 715 | SetPen( m_pen ); |
| 716 | |
| 717 | PsPrint( "newpath\n" ); |
| 718 | |
| 719 | int ofs = 0; |
| 720 | for (int i = 0; i < n; ofs += count[i++]) |
| 721 | { |
| 722 | double xx = XLOG2DEV(points[ofs].x + xoffset); |
| 723 | double yy = YLOG2DEV(points[ofs].y + yoffset); |
| 724 | |
| 725 | wxString buffer; |
| 726 | buffer.Printf( "%f %f moveto\n", xx, yy ); |
| 727 | buffer.Replace( ",", "." ); |
| 728 | PsPrint( buffer ); |
| 729 | |
| 730 | CalcBoundingBox( points[ofs].x + xoffset, points[ofs].y + yoffset ); |
| 731 | |
| 732 | for (int j = 1; j < count[i]; j++) |
| 733 | { |
| 734 | xx = XLOG2DEV(points[ofs+j].x + xoffset); |
| 735 | yy = YLOG2DEV(points[ofs+j].y + yoffset); |
| 736 | |
| 737 | buffer.Printf( "%f %f lineto\n", xx, yy ); |
| 738 | buffer.Replace( ",", "." ); |
| 739 | PsPrint( buffer ); |
| 740 | |
| 741 | CalcBoundingBox( points[ofs+j].x + xoffset, points[ofs+j].y + yoffset); |
| 742 | } |
| 743 | } |
| 744 | PsPrint( "closepath\n" ); |
| 745 | PsPrint( "stroke\n" ); |
| 746 | } |
| 747 | } |
| 748 | |
| 749 | void wxPostScriptDCImpl::DoDrawLines (int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset) |
| 750 | { |
| 751 | wxCHECK_RET( m_ok, wxT("invalid postscript dc") ); |
| 752 | |
| 753 | if ( m_pen.IsTransparent() ) |
| 754 | return; |
| 755 | |
| 756 | if (n <= 0) return; |
| 757 | |
| 758 | SetPen (m_pen); |
| 759 | |
| 760 | int i; |
| 761 | for ( i =0; i<n ; i++ ) |
| 762 | CalcBoundingBox( points[i].x+xoffset, points[i].y+yoffset ); |
| 763 | |
| 764 | wxString buffer; |
| 765 | buffer.Printf( "newpath\n" |
| 766 | "%f %f moveto\n", |
| 767 | XLOG2DEV(points[0].x+xoffset), |
| 768 | YLOG2DEV(points[0].y+yoffset) ); |
| 769 | buffer.Replace( ",", "." ); |
| 770 | PsPrint( buffer ); |
| 771 | |
| 772 | for (i = 1; i < n; i++) |
| 773 | { |
| 774 | buffer.Printf( "%f %f lineto\n", |
| 775 | XLOG2DEV(points[i].x+xoffset), |
| 776 | YLOG2DEV(points[i].y+yoffset) ); |
| 777 | buffer.Replace( ",", "." ); |
| 778 | PsPrint( buffer ); |
| 779 | } |
| 780 | |
| 781 | PsPrint( "stroke\n" ); |
| 782 | } |
| 783 | |
| 784 | void wxPostScriptDCImpl::DoDrawRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height) |
| 785 | { |
| 786 | wxCHECK_RET( m_ok, wxT("invalid postscript dc") ); |
| 787 | |
| 788 | width--; |
| 789 | height--; |
| 790 | |
| 791 | if ( m_brush.IsNonTransparent() ) |
| 792 | { |
| 793 | SetBrush( m_brush ); |
| 794 | |
| 795 | wxString buffer; |
| 796 | buffer.Printf( "newpath\n" |
| 797 | "%f %f moveto\n" |
| 798 | "%f %f lineto\n" |
| 799 | "%f %f lineto\n" |
| 800 | "%f %f lineto\n" |
| 801 | "closepath\n" |
| 802 | "fill\n", |
| 803 | XLOG2DEV(x), YLOG2DEV(y), |
| 804 | XLOG2DEV(x + width), YLOG2DEV(y), |
| 805 | XLOG2DEV(x + width), YLOG2DEV(y + height), |
| 806 | XLOG2DEV(x), YLOG2DEV(y + height) ); |
| 807 | buffer.Replace( ",", "." ); |
| 808 | PsPrint( buffer ); |
| 809 | |
| 810 | CalcBoundingBox( x, y ); |
| 811 | CalcBoundingBox( x + width, y + height ); |
| 812 | } |
| 813 | |
| 814 | if ( m_pen.IsNonTransparent() ) |
| 815 | { |
| 816 | SetPen (m_pen); |
| 817 | |
| 818 | wxString buffer; |
| 819 | buffer.Printf( "newpath\n" |
| 820 | "%f %f moveto\n" |
| 821 | "%f %f lineto\n" |
| 822 | "%f %f lineto\n" |
| 823 | "%f %f lineto\n" |
| 824 | "closepath\n" |
| 825 | "stroke\n", |
| 826 | XLOG2DEV(x), YLOG2DEV(y), |
| 827 | XLOG2DEV(x + width), YLOG2DEV(y), |
| 828 | XLOG2DEV(x + width), YLOG2DEV(y + height), |
| 829 | XLOG2DEV(x), YLOG2DEV(y + height) ); |
| 830 | buffer.Replace( ",", "." ); |
| 831 | PsPrint( buffer ); |
| 832 | |
| 833 | CalcBoundingBox( x, y ); |
| 834 | CalcBoundingBox( x + width, y + height ); |
| 835 | } |
| 836 | } |
| 837 | |
| 838 | void wxPostScriptDCImpl::DoDrawRoundedRectangle (wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius) |
| 839 | { |
| 840 | wxCHECK_RET( m_ok, wxT("invalid postscript dc") ); |
| 841 | |
| 842 | width--; |
| 843 | height--; |
| 844 | |
| 845 | if (radius < 0.0) |
| 846 | { |
| 847 | // Now, a negative radius is interpreted to mean |
| 848 | // 'the proportion of the smallest X or Y dimension' |
| 849 | double smallest = width < height ? width : height; |
| 850 | radius = (-radius * smallest); |
| 851 | } |
| 852 | |
| 853 | wxCoord rad = (wxCoord) radius; |
| 854 | |
| 855 | if ( m_brush.IsNonTransparent() ) |
| 856 | { |
| 857 | SetBrush( m_brush ); |
| 858 | |
| 859 | /* Draw rectangle anticlockwise */ |
| 860 | wxString buffer; |
| 861 | buffer.Printf( "newpath\n" |
| 862 | "%f %f %f 90 180 arc\n" |
| 863 | "%f %f lineto\n" |
| 864 | "%f %f %f 180 270 arc\n" |
| 865 | "%f %f lineto\n" |
| 866 | "%f %f %f 270 0 arc\n" |
| 867 | "%f %f lineto\n" |
| 868 | "%f %f %f 0 90 arc\n" |
| 869 | "%f %f lineto\n" |
| 870 | "closepath\n" |
| 871 | "fill\n", |
| 872 | XLOG2DEV(x + rad), YLOG2DEV(y + rad), XLOG2DEVREL(rad), |
| 873 | XLOG2DEV(x), YLOG2DEV(y + height - rad), |
| 874 | XLOG2DEV(x + rad), YLOG2DEV(y + height - rad), XLOG2DEVREL(rad), |
| 875 | XLOG2DEV(x + width - rad), YLOG2DEV(y + height), |
| 876 | XLOG2DEV(x + width - rad), YLOG2DEV(y + height - rad), XLOG2DEVREL(rad), |
| 877 | XLOG2DEV(x + width), YLOG2DEV(y + rad), |
| 878 | XLOG2DEV(x + width - rad), YLOG2DEV(y + rad), XLOG2DEVREL(rad), |
| 879 | XLOG2DEV(x + rad), YLOG2DEV(y) ); |
| 880 | buffer.Replace( ",", "." ); |
| 881 | PsPrint( buffer ); |
| 882 | |
| 883 | CalcBoundingBox( x, y ); |
| 884 | CalcBoundingBox( x + width, y + height ); |
| 885 | } |
| 886 | |
| 887 | if ( m_pen.IsNonTransparent() ) |
| 888 | { |
| 889 | SetPen (m_pen); |
| 890 | |
| 891 | /* Draw rectangle anticlockwise */ |
| 892 | wxString buffer; |
| 893 | buffer.Printf( "newpath\n" |
| 894 | "%f %f %f 90 180 arc\n" |
| 895 | "%f %f lineto\n" |
| 896 | "%f %f %f 180 270 arc\n" |
| 897 | "%f %f lineto\n" |
| 898 | "%f %f %f 270 0 arc\n" |
| 899 | "%f %f lineto\n" |
| 900 | "%f %f %f 0 90 arc\n" |
| 901 | "%f %f lineto\n" |
| 902 | "closepath\n" |
| 903 | "stroke\n", |
| 904 | XLOG2DEV(x + rad), YLOG2DEV(y + rad), XLOG2DEVREL(rad), |
| 905 | XLOG2DEV(x), YLOG2DEV(y + height - rad), |
| 906 | XLOG2DEV(x + rad), YLOG2DEV(y + height - rad), XLOG2DEVREL(rad), |
| 907 | XLOG2DEV(x + width - rad), YLOG2DEV(y + height), |
| 908 | XLOG2DEV(x + width - rad), YLOG2DEV(y + height - rad), XLOG2DEVREL(rad), |
| 909 | XLOG2DEV(x + width), YLOG2DEV(y + rad), |
| 910 | XLOG2DEV(x + width - rad), YLOG2DEV(y + rad), XLOG2DEVREL(rad), |
| 911 | XLOG2DEV(x + rad), YLOG2DEV(y) ); |
| 912 | buffer.Replace( ",", "." ); |
| 913 | PsPrint( buffer ); |
| 914 | |
| 915 | CalcBoundingBox( x, y ); |
| 916 | CalcBoundingBox( x + width, y + height ); |
| 917 | } |
| 918 | } |
| 919 | |
| 920 | void wxPostScriptDCImpl::DoDrawEllipse (wxCoord x, wxCoord y, wxCoord width, wxCoord height) |
| 921 | { |
| 922 | wxCHECK_RET( m_ok, wxT("invalid postscript dc") ); |
| 923 | |
| 924 | width--; |
| 925 | height--; |
| 926 | |
| 927 | if ( m_brush.IsNonTransparent() ) |
| 928 | { |
| 929 | SetBrush (m_brush); |
| 930 | |
| 931 | wxString buffer; |
| 932 | buffer.Printf( "newpath\n" |
| 933 | "%f %f %f %f 0 360 ellipse\n" |
| 934 | "fill\n", |
| 935 | XLOG2DEV(x + width / 2), YLOG2DEV(y + height / 2), |
| 936 | XLOG2DEVREL(width / 2), YLOG2DEVREL(height / 2) ); |
| 937 | buffer.Replace( ",", "." ); |
| 938 | PsPrint( buffer ); |
| 939 | |
| 940 | CalcBoundingBox( x - width, y - height ); |
| 941 | CalcBoundingBox( x + width, y + height ); |
| 942 | } |
| 943 | |
| 944 | if ( m_pen.IsNonTransparent() ) |
| 945 | { |
| 946 | SetPen (m_pen); |
| 947 | |
| 948 | wxString buffer; |
| 949 | buffer.Printf( "newpath\n" |
| 950 | "%f %f %f %f 0 360 ellipse\n" |
| 951 | "stroke\n", |
| 952 | XLOG2DEV(x + width / 2), YLOG2DEV(y + height / 2), |
| 953 | XLOG2DEVREL(width / 2), YLOG2DEVREL(height / 2) ); |
| 954 | buffer.Replace( ",", "." ); |
| 955 | PsPrint( buffer ); |
| 956 | |
| 957 | CalcBoundingBox( x - width, y - height ); |
| 958 | CalcBoundingBox( x + width, y + height ); |
| 959 | } |
| 960 | } |
| 961 | |
| 962 | void wxPostScriptDCImpl::DoDrawIcon( const wxIcon& icon, wxCoord x, wxCoord y ) |
| 963 | { |
| 964 | DoDrawBitmap( icon, x, y, true ); |
| 965 | } |
| 966 | |
| 967 | /* this has to be char, not wxChar */ |
| 968 | static const char hexArray[] = "0123456789ABCDEF"; |
| 969 | |
| 970 | void wxPostScriptDCImpl::DoDrawBitmap( const wxBitmap& bitmap, wxCoord x, wxCoord y, bool WXUNUSED(useMask) ) |
| 971 | { |
| 972 | wxCHECK_RET( m_ok, wxT("invalid postscript dc") ); |
| 973 | |
| 974 | if (!bitmap.Ok()) return; |
| 975 | |
| 976 | wxImage image = bitmap.ConvertToImage(); |
| 977 | |
| 978 | if (!image.Ok()) return; |
| 979 | |
| 980 | wxCoord w = image.GetWidth(); |
| 981 | wxCoord h = image.GetHeight(); |
| 982 | |
| 983 | double ww = XLOG2DEVREL(image.GetWidth()); |
| 984 | double hh = YLOG2DEVREL(image.GetHeight()); |
| 985 | |
| 986 | double xx = XLOG2DEV(x); |
| 987 | double yy = YLOG2DEV(y + bitmap.GetHeight()); |
| 988 | |
| 989 | wxString buffer; |
| 990 | buffer.Printf( "/origstate save def\n" |
| 991 | "20 dict begin\n" |
| 992 | "/pix %d string def\n" |
| 993 | "/grays %d string def\n" |
| 994 | "/npixels 0 def\n" |
| 995 | "/rgbindx 0 def\n" |
| 996 | "%f %f translate\n" |
| 997 | "%f %f scale\n" |
| 998 | "%d %d 8\n" |
| 999 | "[%d 0 0 %d 0 %d]\n" |
| 1000 | "{currentfile pix readhexstring pop}\n" |
| 1001 | "false 3 colorimage\n", |
| 1002 | w, w, xx, yy, ww, hh, w, h, w, -h, h ); |
| 1003 | buffer.Replace( ",", "." ); |
| 1004 | PsPrint( buffer ); |
| 1005 | |
| 1006 | unsigned char* data = image.GetData(); |
| 1007 | |
| 1008 | // size of the buffer = width*rgb(3)*hexa(2)+'\n' |
| 1009 | wxCharBuffer charbuffer(w*6 + 1); |
| 1010 | int firstDigit, secondDigit; |
| 1011 | |
| 1012 | //rows |
| 1013 | for (int j = 0; j < h; j++) |
| 1014 | { |
| 1015 | char* bufferindex = charbuffer.data(); |
| 1016 | |
| 1017 | //cols |
| 1018 | for (int i = 0; i < w*3; i++) |
| 1019 | { |
| 1020 | firstDigit = (int)(*data/16.0); |
| 1021 | secondDigit = (int)(*data - (firstDigit*16.0)); |
| 1022 | *(bufferindex++) = hexArray[firstDigit]; |
| 1023 | *(bufferindex++) = hexArray[secondDigit]; |
| 1024 | |
| 1025 | data++; |
| 1026 | } |
| 1027 | *(bufferindex++) = '\n'; |
| 1028 | *bufferindex = 0; |
| 1029 | |
| 1030 | if (m_pstream) |
| 1031 | fwrite( charbuffer, 1, strlen( charbuffer ), m_pstream ); |
| 1032 | else |
| 1033 | PsPrint( charbuffer ); |
| 1034 | } |
| 1035 | |
| 1036 | PsPrint( "end\n" ); |
| 1037 | PsPrint( "origstate restore\n" ); |
| 1038 | } |
| 1039 | |
| 1040 | void wxPostScriptDCImpl::SetFont( const wxFont& font ) |
| 1041 | { |
| 1042 | wxCHECK_RET( m_ok, wxT("invalid postscript dc") ); |
| 1043 | |
| 1044 | if (!font.Ok()) return; |
| 1045 | |
| 1046 | m_font = font; |
| 1047 | |
| 1048 | int Style = m_font.GetStyle(); |
| 1049 | int Weight = m_font.GetWeight(); |
| 1050 | |
| 1051 | const char *name; |
| 1052 | switch (m_font.GetFamily()) |
| 1053 | { |
| 1054 | case wxTELETYPE: |
| 1055 | case wxMODERN: |
| 1056 | { |
| 1057 | if (Style == wxITALIC) |
| 1058 | { |
| 1059 | if (Weight == wxBOLD) |
| 1060 | name = "/Courier-BoldOblique"; |
| 1061 | else |
| 1062 | name = "/Courier-Oblique"; |
| 1063 | } |
| 1064 | else |
| 1065 | { |
| 1066 | if (Weight == wxBOLD) |
| 1067 | name = "/Courier-Bold"; |
| 1068 | else |
| 1069 | name = "/Courier"; |
| 1070 | } |
| 1071 | break; |
| 1072 | } |
| 1073 | case wxROMAN: |
| 1074 | { |
| 1075 | if (Style == wxITALIC) |
| 1076 | { |
| 1077 | if (Weight == wxBOLD) |
| 1078 | name = "/Times-BoldItalic"; |
| 1079 | else |
| 1080 | name = "/Times-Italic"; |
| 1081 | } |
| 1082 | else |
| 1083 | { |
| 1084 | if (Weight == wxBOLD) |
| 1085 | name = "/Times-Bold"; |
| 1086 | else |
| 1087 | name = "/Times-Roman"; |
| 1088 | } |
| 1089 | break; |
| 1090 | } |
| 1091 | case wxSCRIPT: |
| 1092 | { |
| 1093 | name = "/ZapfChancery-MediumItalic"; |
| 1094 | break; |
| 1095 | } |
| 1096 | case wxSWISS: |
| 1097 | default: |
| 1098 | { |
| 1099 | if (Style == wxITALIC) |
| 1100 | { |
| 1101 | if (Weight == wxBOLD) |
| 1102 | name = "/Helvetica-BoldOblique"; |
| 1103 | else |
| 1104 | name = "/Helvetica-Oblique"; |
| 1105 | } |
| 1106 | else |
| 1107 | { |
| 1108 | if (Weight == wxBOLD) |
| 1109 | name = "/Helvetica-Bold"; |
| 1110 | else |
| 1111 | name = "/Helvetica"; |
| 1112 | } |
| 1113 | break; |
| 1114 | } |
| 1115 | } |
| 1116 | |
| 1117 | // We may legitimately call SetFont before BeginDoc |
| 1118 | if (!m_pstream) |
| 1119 | return; |
| 1120 | |
| 1121 | PsPrint( name ); |
| 1122 | PsPrint( " reencodeISO def\n" ); |
| 1123 | PsPrint( name ); |
| 1124 | PsPrint( " findfont\n" ); |
| 1125 | |
| 1126 | |
| 1127 | float size = float(m_font.GetPointSize()); |
| 1128 | size = size * GetFontPointSizeAdjustment(DPI); |
| 1129 | wxString buffer; |
| 1130 | buffer.Printf( "%f scalefont setfont\n", size * m_scaleX ); |
| 1131 | buffer.Replace( ",", "." ); |
| 1132 | PsPrint( buffer ); |
| 1133 | } |
| 1134 | |
| 1135 | void wxPostScriptDCImpl::SetPen( const wxPen& pen ) |
| 1136 | { |
| 1137 | wxCHECK_RET( m_ok, wxT("invalid postscript dc") ); |
| 1138 | |
| 1139 | if (!pen.Ok()) return; |
| 1140 | |
| 1141 | int oldStyle = m_pen.GetStyle(); |
| 1142 | |
| 1143 | m_pen = pen; |
| 1144 | |
| 1145 | double width; |
| 1146 | |
| 1147 | if (m_pen.GetWidth() <= 0) |
| 1148 | width = 0.1; |
| 1149 | else |
| 1150 | width = (double) m_pen.GetWidth(); |
| 1151 | |
| 1152 | wxString buffer; |
| 1153 | buffer.Printf( "%f setlinewidth\n", width * DEV2PS * m_scaleX ); |
| 1154 | buffer.Replace( ",", "." ); |
| 1155 | PsPrint( buffer ); |
| 1156 | |
| 1157 | /* |
| 1158 | Line style - WRONG: 2nd arg is OFFSET |
| 1159 | |
| 1160 | Here, I'm afraid you do not conceive meaning of parameters of 'setdash' |
| 1161 | operator correctly. You should look-up this in the Red Book: the 2nd parame- |
| 1162 | ter is not number of values in the array of the first one, but an offset |
| 1163 | into this description of the pattern. I mean a real *offset* not index |
| 1164 | into array. I.e. If the command is [3 4] 1 setdash is used, then there |
| 1165 | will be first black line *2* units wxCoord, then space 4 units, then the |
| 1166 | pattern of *3* units black, 4 units space will be repeated. |
| 1167 | */ |
| 1168 | |
| 1169 | static const char *dotted = "[2 5] 2"; |
| 1170 | static const char *short_dashed = "[4 4] 2"; |
| 1171 | static const char *wxCoord_dashed = "[4 8] 2"; |
| 1172 | static const char *dotted_dashed = "[6 6 2 6] 4"; |
| 1173 | |
| 1174 | const char *psdash; |
| 1175 | |
| 1176 | switch (m_pen.GetStyle()) |
| 1177 | { |
| 1178 | case wxPENSTYLE_DOT: psdash = dotted; break; |
| 1179 | case wxPENSTYLE_SHORT_DASH: psdash = short_dashed; break; |
| 1180 | case wxPENSTYLE_LONG_DASH: psdash = wxCoord_dashed; break; |
| 1181 | case wxPENSTYLE_DOT_DASH: psdash = dotted_dashed; break; |
| 1182 | case wxPENSTYLE_USER_DASH: |
| 1183 | { |
| 1184 | wxDash *dashes; |
| 1185 | int nDashes = m_pen.GetDashes (&dashes); |
| 1186 | PsPrint ("["); |
| 1187 | for (int i = 0; i < nDashes; ++i) |
| 1188 | { |
| 1189 | buffer.Printf( "%d ", dashes [i] ); |
| 1190 | PsPrint( buffer ); |
| 1191 | } |
| 1192 | PsPrint ("] 0 setdash\n"); |
| 1193 | psdash = 0; |
| 1194 | } |
| 1195 | break; |
| 1196 | case wxPENSTYLE_SOLID: |
| 1197 | case wxPENSTYLE_TRANSPARENT: |
| 1198 | default: psdash = "[] 0"; break; |
| 1199 | } |
| 1200 | |
| 1201 | if ( psdash && (oldStyle != m_pen.GetStyle()) ) |
| 1202 | { |
| 1203 | PsPrint( psdash ); |
| 1204 | PsPrint( " setdash\n" ); |
| 1205 | } |
| 1206 | |
| 1207 | // Line colour |
| 1208 | unsigned char red = m_pen.GetColour().Red(); |
| 1209 | unsigned char blue = m_pen.GetColour().Blue(); |
| 1210 | unsigned char green = m_pen.GetColour().Green(); |
| 1211 | |
| 1212 | if (!m_colour) |
| 1213 | { |
| 1214 | // Anything not white is black |
| 1215 | if (! (red == (unsigned char) 255 && |
| 1216 | blue == (unsigned char) 255 && |
| 1217 | green == (unsigned char) 255) ) |
| 1218 | { |
| 1219 | red = (unsigned char) 0; |
| 1220 | green = (unsigned char) 0; |
| 1221 | blue = (unsigned char) 0; |
| 1222 | } |
| 1223 | // setgray here ? |
| 1224 | } |
| 1225 | |
| 1226 | if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue)) |
| 1227 | { |
| 1228 | double redPS = (double)(red) / 255.0; |
| 1229 | double bluePS = (double)(blue) / 255.0; |
| 1230 | double greenPS = (double)(green) / 255.0; |
| 1231 | |
| 1232 | buffer.Printf( "%f %f %f setrgbcolor\n", redPS, greenPS, bluePS ); |
| 1233 | buffer.Replace( ",", "." ); |
| 1234 | PsPrint( buffer ); |
| 1235 | |
| 1236 | m_currentRed = red; |
| 1237 | m_currentBlue = blue; |
| 1238 | m_currentGreen = green; |
| 1239 | } |
| 1240 | } |
| 1241 | |
| 1242 | void wxPostScriptDCImpl::SetBrush( const wxBrush& brush ) |
| 1243 | { |
| 1244 | wxCHECK_RET( m_ok, wxT("invalid postscript dc") ); |
| 1245 | |
| 1246 | if (!brush.Ok()) return; |
| 1247 | |
| 1248 | m_brush = brush; |
| 1249 | |
| 1250 | // Brush colour |
| 1251 | unsigned char red = m_brush.GetColour().Red(); |
| 1252 | unsigned char blue = m_brush.GetColour().Blue(); |
| 1253 | unsigned char green = m_brush.GetColour().Green(); |
| 1254 | |
| 1255 | if (!m_colour) |
| 1256 | { |
| 1257 | // Anything not white is black |
| 1258 | if (! (red == (unsigned char) 255 && |
| 1259 | blue == (unsigned char) 255 && |
| 1260 | green == (unsigned char) 255) ) |
| 1261 | { |
| 1262 | red = (unsigned char) 0; |
| 1263 | green = (unsigned char) 0; |
| 1264 | blue = (unsigned char) 0; |
| 1265 | } |
| 1266 | // setgray here ? |
| 1267 | } |
| 1268 | |
| 1269 | if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue)) |
| 1270 | { |
| 1271 | double redPS = (double)(red) / 255.0; |
| 1272 | double bluePS = (double)(blue) / 255.0; |
| 1273 | double greenPS = (double)(green) / 255.0; |
| 1274 | |
| 1275 | wxString buffer; |
| 1276 | buffer.Printf( "%f %f %f setrgbcolor\n", redPS, greenPS, bluePS ); |
| 1277 | buffer.Replace( ",", "." ); |
| 1278 | PsPrint( buffer ); |
| 1279 | |
| 1280 | m_currentRed = red; |
| 1281 | m_currentBlue = blue; |
| 1282 | m_currentGreen = green; |
| 1283 | } |
| 1284 | } |
| 1285 | |
| 1286 | void wxPostScriptDCImpl::DoDrawText( const wxString& text, wxCoord x, wxCoord y ) |
| 1287 | { |
| 1288 | wxCHECK_RET( m_ok, wxT("invalid postscript dc") ); |
| 1289 | |
| 1290 | const wxWX2MBbuf textbuf = text.mb_str(); |
| 1291 | if ( !textbuf ) |
| 1292 | return; |
| 1293 | |
| 1294 | if (m_textForegroundColour.Ok()) |
| 1295 | { |
| 1296 | unsigned char red = m_textForegroundColour.Red(); |
| 1297 | unsigned char blue = m_textForegroundColour.Blue(); |
| 1298 | unsigned char green = m_textForegroundColour.Green(); |
| 1299 | |
| 1300 | if (!m_colour) |
| 1301 | { |
| 1302 | // Anything not white is black |
| 1303 | if (! (red == (unsigned char) 255 && |
| 1304 | blue == (unsigned char) 255 && |
| 1305 | green == (unsigned char) 255)) |
| 1306 | { |
| 1307 | red = (unsigned char) 0; |
| 1308 | green = (unsigned char) 0; |
| 1309 | blue = (unsigned char) 0; |
| 1310 | } |
| 1311 | } |
| 1312 | |
| 1313 | // maybe setgray here ? |
| 1314 | if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue)) |
| 1315 | { |
| 1316 | double redPS = (double)(red) / 255.0; |
| 1317 | double bluePS = (double)(blue) / 255.0; |
| 1318 | double greenPS = (double)(green) / 255.0; |
| 1319 | |
| 1320 | wxString buffer; |
| 1321 | buffer.Printf( "%f %f %f setrgbcolor\n", redPS, greenPS, bluePS ); |
| 1322 | buffer.Replace( ",", "." ); |
| 1323 | PsPrint( buffer ); |
| 1324 | |
| 1325 | m_currentRed = red; |
| 1326 | m_currentBlue = blue; |
| 1327 | m_currentGreen = green; |
| 1328 | } |
| 1329 | } |
| 1330 | |
| 1331 | wxCoord text_w, text_h, text_descent; |
| 1332 | |
| 1333 | GetOwner()->GetTextExtent(text, &text_w, &text_h, &text_descent); |
| 1334 | |
| 1335 | int size = m_font.GetPointSize(); |
| 1336 | |
| 1337 | // wxCoord by = y + (wxCoord)floor( double(size) * 2.0 / 3.0 ); // approximate baseline |
| 1338 | // commented by V. Slavik and replaced by accurate version |
| 1339 | // - note that there is still rounding error in text_descent! |
| 1340 | wxCoord by = y + size - text_descent; // baseline |
| 1341 | |
| 1342 | wxString buffer; |
| 1343 | buffer.Printf( "%f %f moveto\n", XLOG2DEV(x), YLOG2DEV(by) ); |
| 1344 | buffer.Replace( ",", "." ); |
| 1345 | PsPrint( buffer ); |
| 1346 | PsPrint( "(" ); |
| 1347 | |
| 1348 | for ( const char *p = textbuf; *p != '\0'; p++ ) |
| 1349 | { |
| 1350 | int c = (unsigned char)*p; |
| 1351 | if (c == ')' || c == '(' || c == '\\') |
| 1352 | { |
| 1353 | /* Cope with special characters */ |
| 1354 | PsPrint( "\\" ); |
| 1355 | PsPrint( (char) c ); |
| 1356 | } |
| 1357 | else if ( c >= 128 ) |
| 1358 | { |
| 1359 | /* Cope with character codes > 127 */ |
| 1360 | buffer.Printf( "\\%o", c ); |
| 1361 | PsPrint( buffer ); |
| 1362 | } |
| 1363 | else |
| 1364 | { |
| 1365 | PsPrint( (char) c ); |
| 1366 | } |
| 1367 | } |
| 1368 | |
| 1369 | PsPrint( ") show\n" ); |
| 1370 | |
| 1371 | if (m_font.GetUnderlined()) |
| 1372 | { |
| 1373 | wxCoord uy = (wxCoord)(y + size - m_underlinePosition); |
| 1374 | |
| 1375 | buffer.Printf( "gsave\n" |
| 1376 | "%f %f moveto\n" |
| 1377 | "%f setlinewidth\n" |
| 1378 | "%f %f lineto\n" |
| 1379 | "stroke\n" |
| 1380 | "grestore\n", |
| 1381 | XLOG2DEV(x), YLOG2DEV(uy), |
| 1382 | m_underlineThickness, |
| 1383 | XLOG2DEV(x + text_w), YLOG2DEV(uy) ); |
| 1384 | buffer.Replace( ",", "." ); |
| 1385 | PsPrint( buffer ); |
| 1386 | } |
| 1387 | |
| 1388 | CalcBoundingBox( x, y ); |
| 1389 | CalcBoundingBox( x + size * text.length() * 2/3 , y ); |
| 1390 | } |
| 1391 | |
| 1392 | void wxPostScriptDCImpl::DoDrawRotatedText( const wxString& text, wxCoord x, wxCoord y, double angle ) |
| 1393 | { |
| 1394 | if ( wxIsNullDouble(angle) ) |
| 1395 | { |
| 1396 | DoDrawText(text, x, y); |
| 1397 | return; |
| 1398 | } |
| 1399 | |
| 1400 | wxCHECK_RET( m_ok, wxT("invalid postscript dc") ); |
| 1401 | |
| 1402 | SetFont( m_font ); |
| 1403 | |
| 1404 | if (m_textForegroundColour.Ok()) |
| 1405 | { |
| 1406 | unsigned char red = m_textForegroundColour.Red(); |
| 1407 | unsigned char blue = m_textForegroundColour.Blue(); |
| 1408 | unsigned char green = m_textForegroundColour.Green(); |
| 1409 | |
| 1410 | if (!m_colour) |
| 1411 | { |
| 1412 | // Anything not white is black |
| 1413 | if (! (red == (unsigned char) 255 && |
| 1414 | blue == (unsigned char) 255 && |
| 1415 | green == (unsigned char) 255)) |
| 1416 | { |
| 1417 | red = (unsigned char) 0; |
| 1418 | green = (unsigned char) 0; |
| 1419 | blue = (unsigned char) 0; |
| 1420 | } |
| 1421 | } |
| 1422 | |
| 1423 | // maybe setgray here ? |
| 1424 | if (!(red == m_currentRed && green == m_currentGreen && blue == m_currentBlue)) |
| 1425 | { |
| 1426 | double redPS = (double)(red) / 255.0; |
| 1427 | double bluePS = (double)(blue) / 255.0; |
| 1428 | double greenPS = (double)(green) / 255.0; |
| 1429 | |
| 1430 | wxString buffer; |
| 1431 | buffer.Printf( "%f %f %f setrgbcolor\n", redPS, greenPS, bluePS ); |
| 1432 | buffer.Replace( ",", "." ); |
| 1433 | PsPrint( buffer ); |
| 1434 | |
| 1435 | m_currentRed = red; |
| 1436 | m_currentBlue = blue; |
| 1437 | m_currentGreen = green; |
| 1438 | } |
| 1439 | } |
| 1440 | |
| 1441 | int size = m_font.GetPointSize(); |
| 1442 | |
| 1443 | wxString buffer; |
| 1444 | buffer.Printf( "%f %f moveto\n", XLOG2DEV(x), YLOG2DEV(y)); |
| 1445 | buffer.Replace( ",", "." ); |
| 1446 | PsPrint( buffer ); |
| 1447 | |
| 1448 | buffer.Printf( "%f rotate\n", angle ); |
| 1449 | buffer.Replace( ",", "." ); |
| 1450 | PsPrint( buffer ); |
| 1451 | |
| 1452 | PsPrint( "(" ); |
| 1453 | const wxWX2MBbuf textbuf = text.mb_str(); |
| 1454 | if ( textbuf ) |
| 1455 | { |
| 1456 | for ( const char *p = textbuf; *p != '\0'; p++ ) |
| 1457 | { |
| 1458 | int c = (unsigned char)*p; |
| 1459 | if (c == ')' || c == '(' || c == '\\') |
| 1460 | { |
| 1461 | /* Cope with special characters */ |
| 1462 | PsPrint( "\\" ); |
| 1463 | PsPrint( (char) c ); |
| 1464 | } |
| 1465 | else if ( c >= 128 ) |
| 1466 | { |
| 1467 | /* Cope with character codes > 127 */ |
| 1468 | buffer.Printf( "\\%o", c); |
| 1469 | PsPrint( buffer ); |
| 1470 | } |
| 1471 | else |
| 1472 | { |
| 1473 | PsPrint( (char) c ); |
| 1474 | } |
| 1475 | } |
| 1476 | } |
| 1477 | |
| 1478 | PsPrint( ") show\n" ); |
| 1479 | |
| 1480 | buffer.Printf( "%f rotate\n", -angle ); |
| 1481 | buffer.Replace( ",", "." ); |
| 1482 | PsPrint( buffer ); |
| 1483 | |
| 1484 | if (m_font.GetUnderlined()) |
| 1485 | { |
| 1486 | wxCoord uy = (wxCoord)(y + size - m_underlinePosition); |
| 1487 | wxCoord w, h; |
| 1488 | GetOwner()->GetTextExtent(text, &w, &h); |
| 1489 | |
| 1490 | buffer.Printf( |
| 1491 | "gsave\n" |
| 1492 | "%f %f moveto\n" |
| 1493 | "%f setlinewidth\n" |
| 1494 | "%f %f lineto\n" |
| 1495 | "stroke\n" |
| 1496 | "grestore\n", |
| 1497 | XLOG2DEV(x), YLOG2DEV(uy), |
| 1498 | m_underlineThickness, |
| 1499 | XLOG2DEV(x + w), YLOG2DEV(uy) ); |
| 1500 | buffer.Replace( ",", "." ); |
| 1501 | PsPrint( buffer ); |
| 1502 | } |
| 1503 | |
| 1504 | CalcBoundingBox( x, y ); |
| 1505 | CalcBoundingBox( x + size * text.length() * 2/3 , y ); |
| 1506 | } |
| 1507 | |
| 1508 | void wxPostScriptDCImpl::SetBackground (const wxBrush& brush) |
| 1509 | { |
| 1510 | m_backgroundBrush = brush; |
| 1511 | } |
| 1512 | |
| 1513 | void wxPostScriptDCImpl::SetLogicalFunction(wxRasterOperationMode WXUNUSED(function)) |
| 1514 | { |
| 1515 | wxFAIL_MSG( wxT("wxPostScriptDCImpl::SetLogicalFunction not implemented.") ); |
| 1516 | } |
| 1517 | |
| 1518 | #if wxUSE_SPLINES |
| 1519 | void wxPostScriptDCImpl::DoDrawSpline( const wxPointList *points ) |
| 1520 | { |
| 1521 | wxCHECK_RET( m_ok, wxT("invalid postscript dc") ); |
| 1522 | |
| 1523 | SetPen( m_pen ); |
| 1524 | |
| 1525 | // a and b are not used |
| 1526 | //double a, b; |
| 1527 | double c, d, x1, y1, x2, y2, x3, y3; |
| 1528 | wxPoint *p, *q; |
| 1529 | |
| 1530 | wxPointList::compatibility_iterator node = points->GetFirst(); |
| 1531 | p = node->GetData(); |
| 1532 | x1 = p->x; |
| 1533 | y1 = p->y; |
| 1534 | |
| 1535 | node = node->GetNext(); |
| 1536 | p = node->GetData(); |
| 1537 | c = p->x; |
| 1538 | d = p->y; |
| 1539 | x3 = |
| 1540 | #if 0 |
| 1541 | a = |
| 1542 | #endif |
| 1543 | (double)(x1 + c) / 2; |
| 1544 | y3 = |
| 1545 | #if 0 |
| 1546 | b = |
| 1547 | #endif |
| 1548 | (double)(y1 + d) / 2; |
| 1549 | |
| 1550 | wxString buffer; |
| 1551 | buffer.Printf( "newpath\n" |
| 1552 | "%f %f moveto\n" |
| 1553 | "%f %f lineto\n", |
| 1554 | XLOG2DEV(wxRound(x1)), YLOG2DEV(wxRound(y1)), |
| 1555 | XLOG2DEV(wxRound(x3)), YLOG2DEV(wxRound(y3)) ); |
| 1556 | buffer.Replace( ",", "." ); |
| 1557 | PsPrint( buffer ); |
| 1558 | |
| 1559 | CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 ); |
| 1560 | CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 ); |
| 1561 | |
| 1562 | node = node->GetNext(); |
| 1563 | while (node) |
| 1564 | { |
| 1565 | q = node->GetData(); |
| 1566 | |
| 1567 | x1 = x3; |
| 1568 | y1 = y3; |
| 1569 | x2 = c; |
| 1570 | y2 = d; |
| 1571 | c = q->x; |
| 1572 | d = q->y; |
| 1573 | x3 = (double)(x2 + c) / 2; |
| 1574 | y3 = (double)(y2 + d) / 2; |
| 1575 | |
| 1576 | buffer.Printf( "%f %f %f %f %f %f DrawSplineSection\n", |
| 1577 | XLOG2DEV(wxRound(x1)), YLOG2DEV(wxRound(y1)), |
| 1578 | XLOG2DEV(wxRound(x2)), YLOG2DEV(wxRound(y2)), |
| 1579 | XLOG2DEV(wxRound(x3)), YLOG2DEV(wxRound(y3)) ); |
| 1580 | buffer.Replace( ",", "." ); |
| 1581 | PsPrint( buffer ); |
| 1582 | |
| 1583 | CalcBoundingBox( (wxCoord)x1, (wxCoord)y1 ); |
| 1584 | CalcBoundingBox( (wxCoord)x3, (wxCoord)y3 ); |
| 1585 | |
| 1586 | node = node->GetNext(); |
| 1587 | } |
| 1588 | |
| 1589 | /* |
| 1590 | At this point, (x2,y2) and (c,d) are the position of the |
| 1591 | next-to-last and last point respectively, in the point list |
| 1592 | */ |
| 1593 | |
| 1594 | buffer.Printf( "%f %f lineto\nstroke\n", XLOG2DEV(wxRound(c)), YLOG2DEV(wxRound(d)) ); |
| 1595 | buffer.Replace( ",", "." ); |
| 1596 | PsPrint( buffer ); |
| 1597 | } |
| 1598 | #endif // wxUSE_SPLINES |
| 1599 | |
| 1600 | wxCoord wxPostScriptDCImpl::GetCharWidth() const |
| 1601 | { |
| 1602 | // Chris Breeze: reasonable approximation using wxMODERN/Courier |
| 1603 | return (wxCoord) (GetCharHeight() * 72.0 / 120.0); |
| 1604 | } |
| 1605 | |
| 1606 | void wxPostScriptDCImpl::SetPrintData(const wxPrintData& data) |
| 1607 | { |
| 1608 | m_printData = data; |
| 1609 | |
| 1610 | wxPaperSize id = m_printData.GetPaperId(); |
| 1611 | wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id); |
| 1612 | if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4); |
| 1613 | int w = 595; |
| 1614 | int h = 842; |
| 1615 | if (paper) |
| 1616 | { |
| 1617 | w = paper->GetSizeDeviceUnits().x; |
| 1618 | h = paper->GetSizeDeviceUnits().y; |
| 1619 | } |
| 1620 | |
| 1621 | if (m_printData.GetOrientation() == wxLANDSCAPE) |
| 1622 | m_pageHeight = w * PS2DEV; |
| 1623 | else |
| 1624 | m_pageHeight = h * PS2DEV; |
| 1625 | } |
| 1626 | |
| 1627 | void wxPostScriptDCImpl::ComputeScaleAndOrigin() |
| 1628 | { |
| 1629 | const wxRealPoint origScale(m_scaleX, m_scaleY); |
| 1630 | |
| 1631 | wxDCImpl::ComputeScaleAndOrigin(); |
| 1632 | |
| 1633 | // If scale has changed call SetPen to recalulate the line width |
| 1634 | // and SetFont to recalculate font size |
| 1635 | if ( wxRealPoint(m_scaleX, m_scaleY) != origScale && m_pen.IsOk() ) |
| 1636 | { |
| 1637 | SetPen( m_pen ); |
| 1638 | SetFont( m_font ); |
| 1639 | } |
| 1640 | } |
| 1641 | |
| 1642 | void wxPostScriptDCImpl::DoGetSize(int* width, int* height) const |
| 1643 | { |
| 1644 | wxPaperSize id = m_printData.GetPaperId(); |
| 1645 | |
| 1646 | wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id); |
| 1647 | |
| 1648 | if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4); |
| 1649 | |
| 1650 | int w = 595; |
| 1651 | int h = 842; |
| 1652 | if (paper) |
| 1653 | { |
| 1654 | w = paper->GetSizeDeviceUnits().x; |
| 1655 | h = paper->GetSizeDeviceUnits().y; |
| 1656 | } |
| 1657 | |
| 1658 | if (m_printData.GetOrientation() == wxLANDSCAPE) |
| 1659 | { |
| 1660 | int tmp = w; |
| 1661 | w = h; |
| 1662 | h = tmp; |
| 1663 | } |
| 1664 | |
| 1665 | if (width) |
| 1666 | *width = wxRound( w * PS2DEV ); |
| 1667 | |
| 1668 | if (height) |
| 1669 | *height = wxRound( h * PS2DEV ); |
| 1670 | } |
| 1671 | |
| 1672 | void wxPostScriptDCImpl::DoGetSizeMM(int *width, int *height) const |
| 1673 | { |
| 1674 | wxPaperSize id = m_printData.GetPaperId(); |
| 1675 | |
| 1676 | wxPrintPaperType *paper = wxThePrintPaperDatabase->FindPaperType(id); |
| 1677 | |
| 1678 | if (!paper) paper = wxThePrintPaperDatabase->FindPaperType(wxPAPER_A4); |
| 1679 | |
| 1680 | int w = 210; |
| 1681 | int h = 297; |
| 1682 | if (paper) |
| 1683 | { |
| 1684 | w = paper->GetWidth() / 10; |
| 1685 | h = paper->GetHeight() / 10; |
| 1686 | } |
| 1687 | |
| 1688 | if (m_printData.GetOrientation() == wxLANDSCAPE) |
| 1689 | { |
| 1690 | int tmp = w; |
| 1691 | w = h; |
| 1692 | h = tmp; |
| 1693 | } |
| 1694 | |
| 1695 | if (width) *width = w; |
| 1696 | if (height) *height = h; |
| 1697 | } |
| 1698 | |
| 1699 | // Resolution in pixels per logical inch |
| 1700 | wxSize wxPostScriptDCImpl::GetPPI(void) const |
| 1701 | { |
| 1702 | return wxSize( DPI, DPI ); |
| 1703 | } |
| 1704 | |
| 1705 | |
| 1706 | bool wxPostScriptDCImpl::StartDoc( const wxString& WXUNUSED(message) ) |
| 1707 | { |
| 1708 | wxCHECK_MSG( m_ok, false, wxT("invalid postscript dc") ); |
| 1709 | |
| 1710 | if (m_printData.GetPrintMode() != wxPRINT_MODE_STREAM ) |
| 1711 | { |
| 1712 | if (m_printData.GetFilename() == wxEmptyString) |
| 1713 | { |
| 1714 | wxString filename = wxFileName::CreateTempFileName( wxT("ps") ); |
| 1715 | m_printData.SetFilename(filename); |
| 1716 | } |
| 1717 | |
| 1718 | m_pstream = wxFopen( m_printData.GetFilename(), wxT("w+") ); |
| 1719 | |
| 1720 | if (!m_pstream) |
| 1721 | { |
| 1722 | wxLogError( _("Cannot open file for PostScript printing!")); |
| 1723 | m_ok = false; |
| 1724 | return false; |
| 1725 | } |
| 1726 | } |
| 1727 | |
| 1728 | m_ok = true; |
| 1729 | |
| 1730 | wxString buffer; |
| 1731 | |
| 1732 | PsPrint( "%!PS-Adobe-2.0\n" ); |
| 1733 | |
| 1734 | PsPrint( "%%Creator: wxWidgets PostScript renderer\n" ); |
| 1735 | |
| 1736 | buffer.Printf( "%%%%CreationDate: %s\n", wxNow() ); |
| 1737 | PsPrint( buffer ); |
| 1738 | |
| 1739 | if (m_printData.GetOrientation() == wxLANDSCAPE) |
| 1740 | PsPrint( "%%Orientation: Landscape\n" ); |
| 1741 | else |
| 1742 | PsPrint( "%%Orientation: Portrait\n" ); |
| 1743 | |
| 1744 | const wxChar *paper; |
| 1745 | switch (m_printData.GetPaperId()) |
| 1746 | { |
| 1747 | case wxPAPER_LETTER: paper = wxT("Letter"); break; // Letter: paper ""; 8 1/2 by 11 inches |
| 1748 | case wxPAPER_LEGAL: paper = wxT("Legal"); break; // Legal, 8 1/2 by 14 inches |
| 1749 | case wxPAPER_A4: paper = wxT("A4"); break; // A4 Sheet, 210 by 297 millimeters |
| 1750 | case wxPAPER_TABLOID: paper = wxT("Tabloid"); break; // Tabloid, 11 by 17 inches |
| 1751 | case wxPAPER_LEDGER: paper = wxT("Ledger"); break; // Ledger, 17 by 11 inches |
| 1752 | case wxPAPER_STATEMENT: paper = wxT("Statement"); break; // Statement, 5 1/2 by 8 1/2 inches |
| 1753 | case wxPAPER_EXECUTIVE: paper = wxT("Executive"); break; // Executive, 7 1/4 by 10 1/2 inches |
| 1754 | case wxPAPER_A3: paper = wxT("A3"); break; // A3 sheet, 297 by 420 millimeters |
| 1755 | case wxPAPER_A5: paper = wxT("A5"); break; // A5 sheet, 148 by 210 millimeters |
| 1756 | case wxPAPER_B4: paper = wxT("B4"); break; // B4 sheet, 250 by 354 millimeters |
| 1757 | case wxPAPER_B5: paper = wxT("B5"); break; // B5 sheet, 182-by-257-millimeter paper |
| 1758 | case wxPAPER_FOLIO: paper = wxT("Folio"); break; // Folio, 8-1/2-by-13-inch paper |
| 1759 | case wxPAPER_QUARTO: paper = wxT("Quaro"); break; // Quarto, 215-by-275-millimeter paper |
| 1760 | case wxPAPER_10X14: paper = wxT("10x14"); break; // 10-by-14-inch sheet |
| 1761 | default: paper = wxT("A4"); |
| 1762 | } |
| 1763 | |
| 1764 | buffer.Printf( "%%%%DocumentPaperSizes: %s\n", paper ); |
| 1765 | PsPrint( buffer ); |
| 1766 | |
| 1767 | PsPrint( "%%EndComments\n\n" ); |
| 1768 | |
| 1769 | PsPrint( "%%BeginProlog\n" ); |
| 1770 | PsPrint( wxPostScriptHeaderConicTo ); |
| 1771 | PsPrint( wxPostScriptHeaderEllipse ); |
| 1772 | PsPrint( wxPostScriptHeaderEllipticArc ); |
| 1773 | PsPrint( wxPostScriptHeaderColourImage ); |
| 1774 | PsPrint( wxPostScriptHeaderReencodeISO1 ); |
| 1775 | PsPrint( wxPostScriptHeaderReencodeISO2 ); |
| 1776 | if (wxPostScriptHeaderSpline) |
| 1777 | PsPrint( wxPostScriptHeaderSpline ); |
| 1778 | PsPrint( "%%EndProlog\n" ); |
| 1779 | |
| 1780 | SetBrush( *wxBLACK_BRUSH ); |
| 1781 | SetPen( *wxBLACK_PEN ); |
| 1782 | SetBackground( *wxWHITE_BRUSH ); |
| 1783 | SetTextForeground( *wxBLACK ); |
| 1784 | |
| 1785 | // set origin according to paper size |
| 1786 | SetDeviceOrigin( 0,0 ); |
| 1787 | |
| 1788 | m_pageNumber = 1; |
| 1789 | return true; |
| 1790 | } |
| 1791 | |
| 1792 | void wxPostScriptDCImpl::EndDoc () |
| 1793 | { |
| 1794 | wxCHECK_RET( m_ok, wxT("invalid postscript dc") ); |
| 1795 | |
| 1796 | if (m_clipping) |
| 1797 | { |
| 1798 | m_clipping = false; |
| 1799 | PsPrint( "grestore\n" ); |
| 1800 | } |
| 1801 | |
| 1802 | if ( m_pstream ) { |
| 1803 | fclose( m_pstream ); |
| 1804 | m_pstream = NULL; |
| 1805 | } |
| 1806 | |
| 1807 | #if 0 |
| 1808 | // THE FOLLOWING HAS BEEN CONTRIBUTED BY Andy Fyfe <andy@hyperparallel.com> |
| 1809 | wxCoord wx_printer_translate_x, wx_printer_translate_y; |
| 1810 | double wx_printer_scale_x, wx_printer_scale_y; |
| 1811 | |
| 1812 | wx_printer_translate_x = (wxCoord)m_printData.GetPrinterTranslateX(); |
| 1813 | wx_printer_translate_y = (wxCoord)m_printData.GetPrinterTranslateY(); |
| 1814 | |
| 1815 | wx_printer_scale_x = m_printData.GetPrinterScaleX(); |
| 1816 | wx_printer_scale_y = m_printData.GetPrinterScaleY(); |
| 1817 | |
| 1818 | // Compute the bounding box. Note that it is in the default user |
| 1819 | // coordinate system, thus we have to convert the values. |
| 1820 | wxCoord minX = (wxCoord) XLOG2DEV(m_minX); |
| 1821 | wxCoord minY = (wxCoord) YLOG2DEV(m_minY); |
| 1822 | wxCoord maxX = (wxCoord) XLOG2DEV(m_maxX); |
| 1823 | wxCoord maxY = (wxCoord) YLOG2DEV(m_maxY); |
| 1824 | |
| 1825 | // LOG2DEV may have changed the minimum to maximum vice versa |
| 1826 | if ( minX > maxX ) { wxCoord tmp = minX; minX = maxX; maxX = tmp; } |
| 1827 | if ( minY > maxY ) { wxCoord tmp = minY; minY = maxY; maxY = tmp; } |
| 1828 | |
| 1829 | // account for used scaling (boundingbox is before scaling in ps-file) |
| 1830 | double scale_x = m_printData.GetPrinterScaleX() / ms_PSScaleFactor; |
| 1831 | double scale_y = m_printData.GetPrinterScaleY() / ms_PSScaleFactor; |
| 1832 | |
| 1833 | wxCoord llx, lly, urx, ury; |
| 1834 | llx = (wxCoord) ((minX+wx_printer_translate_x)*scale_x); |
| 1835 | lly = (wxCoord) ((minY+wx_printer_translate_y)*scale_y); |
| 1836 | urx = (wxCoord) ((maxX+wx_printer_translate_x)*scale_x); |
| 1837 | ury = (wxCoord) ((maxY+wx_printer_translate_y)*scale_y); |
| 1838 | // (end of bounding box computation) |
| 1839 | |
| 1840 | |
| 1841 | // If we're landscape, our sense of "x" and "y" is reversed. |
| 1842 | if (m_printData.GetOrientation() == wxLANDSCAPE) |
| 1843 | { |
| 1844 | wxCoord tmp; |
| 1845 | tmp = llx; llx = lly; lly = tmp; |
| 1846 | tmp = urx; urx = ury; ury = tmp; |
| 1847 | |
| 1848 | // We need either the two lines that follow, or we need to subtract |
| 1849 | // min_x from real_translate_y, which is commented out below. |
| 1850 | llx = llx - (wxCoord)(m_minX*wx_printer_scale_y); |
| 1851 | urx = urx - (wxCoord)(m_minX*wx_printer_scale_y); |
| 1852 | } |
| 1853 | |
| 1854 | // The Adobe specifications call for integers; we round as to make |
| 1855 | // the bounding larger. |
| 1856 | PsPrintf( wxT("%%%%BoundingBox: %d %d %d %d\n"), |
| 1857 | (wxCoord)floor((double)llx), (wxCoord)floor((double)lly), |
| 1858 | (wxCoord)ceil((double)urx), (wxCoord)ceil((double)ury) ); |
| 1859 | |
| 1860 | // To check the correctness of the bounding box, postscript commands |
| 1861 | // to draw a box corresponding to the bounding box are generated below. |
| 1862 | // But since we typically don't want to print such a box, the postscript |
| 1863 | // commands are generated within comments. These lines appear before any |
| 1864 | // adjustment of scale, rotation, or translation, and hence are in the |
| 1865 | // default user coordinates. |
| 1866 | PsPrint( "% newpath\n" ); |
| 1867 | PsPrintf( wxT("%% %d %d moveto\n"), llx, lly ); |
| 1868 | PsPrintf( wxT("%% %d %d lineto\n"), urx, lly ); |
| 1869 | PsPrintf( wxT("%% %d %d lineto\n"), urx, ury ); |
| 1870 | PsPrintf( wxT("%% %d %d lineto closepath stroke\n"), llx, ury ); |
| 1871 | #endif |
| 1872 | |
| 1873 | #ifndef __WXMSW__ |
| 1874 | wxPostScriptPrintNativeData *data = |
| 1875 | (wxPostScriptPrintNativeData *) m_printData.GetNativeData(); |
| 1876 | |
| 1877 | if (m_ok && (m_printData.GetPrintMode() == wxPRINT_MODE_PRINTER)) |
| 1878 | { |
| 1879 | wxString command; |
| 1880 | command += data->GetPrinterCommand(); |
| 1881 | command += wxT(" "); |
| 1882 | command += data->GetPrinterOptions(); |
| 1883 | command += wxT(" "); |
| 1884 | command += m_printData.GetFilename(); |
| 1885 | |
| 1886 | wxExecute( command, true ); |
| 1887 | wxRemoveFile( m_printData.GetFilename() ); |
| 1888 | } |
| 1889 | #endif |
| 1890 | } |
| 1891 | |
| 1892 | void wxPostScriptDCImpl::StartPage() |
| 1893 | { |
| 1894 | wxCHECK_RET( m_ok, wxT("invalid postscript dc") ); |
| 1895 | |
| 1896 | wxString buffer; |
| 1897 | buffer.Printf( wxT("%%%%Page: %d\n"), m_pageNumber++ ); |
| 1898 | PsPrint( buffer ); |
| 1899 | |
| 1900 | #if 0 |
| 1901 | wxPostScriptPrintNativeData *data = |
| 1902 | (wxPostScriptPrintNativeData *) m_printData.GetNativeData(); |
| 1903 | |
| 1904 | wxCoord translate_x = (wxCoord)data->GetPrinterTranslateX(); |
| 1905 | wxCoord translate_y = (wxCoord)data->GetPrinterTranslateY(); |
| 1906 | |
| 1907 | buffer.Printf( "%d %d translate\n", translate_x, translate_y ); |
| 1908 | PsPrint( buffer ); |
| 1909 | |
| 1910 | double scale_x = data->GetPrinterScaleX(); |
| 1911 | double scale_y = data->GetPrinterScaleY(); |
| 1912 | |
| 1913 | buffer.Printf( "%f %f scale\n", scale_x, scale_y ); |
| 1914 | buffer.Replace( ",", "." ); |
| 1915 | PsPrint( buffer ); |
| 1916 | |
| 1917 | #endif |
| 1918 | |
| 1919 | // Each page starts with an "initgraphics" which resets the |
| 1920 | // transformation and so we need to rotate the page for |
| 1921 | // landscape printing) |
| 1922 | |
| 1923 | // I copied this one from a PostScript tutorial, but to no avail. RR. |
| 1924 | // PsPrint( "90 rotate llx neg ury nef translate\n" ); |
| 1925 | |
| 1926 | if (m_printData.GetOrientation() == wxLANDSCAPE) |
| 1927 | PsPrint( "90 rotate\n" ); |
| 1928 | } |
| 1929 | |
| 1930 | void wxPostScriptDCImpl::EndPage () |
| 1931 | { |
| 1932 | wxCHECK_RET( m_ok , wxT("invalid postscript dc") ); |
| 1933 | |
| 1934 | PsPrint( "showpage\n" ); |
| 1935 | } |
| 1936 | |
| 1937 | bool wxPostScriptDCImpl::DoBlit( wxCoord xdest, wxCoord ydest, |
| 1938 | wxCoord fwidth, wxCoord fheight, |
| 1939 | wxDC *source, |
| 1940 | wxCoord xsrc, wxCoord ysrc, |
| 1941 | wxRasterOperationMode rop, |
| 1942 | bool WXUNUSED(useMask), wxCoord WXUNUSED(xsrcMask), wxCoord WXUNUSED(ysrcMask) ) |
| 1943 | { |
| 1944 | wxCHECK_MSG( m_ok, false, wxT("invalid postscript dc") ); |
| 1945 | |
| 1946 | wxCHECK_MSG( source, false, wxT("invalid source dc") ); |
| 1947 | |
| 1948 | // blit into a bitmap |
| 1949 | wxBitmap bitmap( (int)fwidth, (int)fheight ); |
| 1950 | wxMemoryDC memDC; |
| 1951 | memDC.SelectObject(bitmap); |
| 1952 | memDC.Blit(0, 0, fwidth, fheight, source, xsrc, ysrc, rop); /* TODO: Blit transparently? */ |
| 1953 | memDC.SelectObject(wxNullBitmap); |
| 1954 | |
| 1955 | //draw bitmap. scaling and positioning is done there |
| 1956 | GetOwner()->DrawBitmap( bitmap, xdest, ydest ); |
| 1957 | |
| 1958 | return true; |
| 1959 | } |
| 1960 | |
| 1961 | wxCoord wxPostScriptDCImpl::GetCharHeight() const |
| 1962 | { |
| 1963 | if (m_font.Ok()) |
| 1964 | return m_font.GetPointSize(); |
| 1965 | else |
| 1966 | return 12; |
| 1967 | } |
| 1968 | |
| 1969 | void wxPostScriptDCImpl::PsPrint( const wxString& str ) |
| 1970 | { |
| 1971 | const wxCharBuffer psdata(str.utf8_str()); |
| 1972 | |
| 1973 | wxPostScriptPrintNativeData *data = |
| 1974 | (wxPostScriptPrintNativeData *) m_printData.GetNativeData(); |
| 1975 | |
| 1976 | switch (m_printData.GetPrintMode()) |
| 1977 | { |
| 1978 | #if wxUSE_STREAMS |
| 1979 | // append to output stream |
| 1980 | case wxPRINT_MODE_STREAM: |
| 1981 | { |
| 1982 | wxOutputStream* outputstream = data->GetOutputStream(); |
| 1983 | wxCHECK_RET( outputstream, wxT("invalid outputstream") ); |
| 1984 | outputstream->Write( psdata, strlen( psdata ) ); |
| 1985 | } |
| 1986 | break; |
| 1987 | #endif // wxUSE_STREAMS |
| 1988 | |
| 1989 | // save data into file |
| 1990 | default: |
| 1991 | wxCHECK_RET( m_pstream, wxT("invalid postscript dc") ); |
| 1992 | fwrite( psdata, 1, strlen( psdata ), m_pstream ); |
| 1993 | } |
| 1994 | } |
| 1995 | |
| 1996 | void wxPostScriptDCImpl::DoGetTextExtent(const wxString& string, |
| 1997 | wxCoord *x, wxCoord *y, |
| 1998 | wxCoord *descent, wxCoord *externalLeading, |
| 1999 | const wxFont *theFont ) const |
| 2000 | { |
| 2001 | const wxFont *fontToUse = theFont; |
| 2002 | |
| 2003 | if (!fontToUse) fontToUse = &m_font; |
| 2004 | |
| 2005 | const float fontSize = |
| 2006 | fontToUse->GetPointSize() * GetFontPointSizeAdjustment(72.0); |
| 2007 | |
| 2008 | if (string.empty()) |
| 2009 | { |
| 2010 | if (x) (*x) = 0; |
| 2011 | if (y) (*y) = 0; |
| 2012 | if (descent) (*descent) = 0; |
| 2013 | if (externalLeading) (*externalLeading) = 0; |
| 2014 | return; |
| 2015 | } |
| 2016 | |
| 2017 | // GTK 2.0 |
| 2018 | |
| 2019 | const wxWX2MBbuf strbuf = string.mb_str(); |
| 2020 | |
| 2021 | // conversion failed (non e.g. ISO characters) |
| 2022 | if ( !strbuf ) |
| 2023 | return; |
| 2024 | |
| 2025 | #if !wxUSE_AFM_FOR_POSTSCRIPT |
| 2026 | /* Provide a VERY rough estimate (avoid using it). |
| 2027 | * Produces accurate results for mono-spaced font |
| 2028 | * such as Courier (aka wxMODERN) */ |
| 2029 | |
| 2030 | if ( x ) |
| 2031 | *x = strlen (strbuf) * fontSize * 72.0 / 120.0; |
| 2032 | if ( y ) |
| 2033 | *y = (wxCoord) (fontSize * 1.32); /* allow for descender */ |
| 2034 | if (descent) *descent = 0; |
| 2035 | if (externalLeading) *externalLeading = 0; |
| 2036 | #else |
| 2037 | |
| 2038 | /* method for calculating string widths in postscript: |
| 2039 | / read in the AFM (adobe font metrics) file for the |
| 2040 | / actual font, parse it and extract the character widths |
| 2041 | / and also the descender. this may be improved, but for now |
| 2042 | / it works well. the AFM file is only read in if the |
| 2043 | / font is changed. this may be chached in the future. |
| 2044 | / calls to GetTextExtent with the font unchanged are rather |
| 2045 | / efficient!!! |
| 2046 | / |
| 2047 | / for each font and style used there is an AFM file necessary. |
| 2048 | / currently i have only files for the roman font family. |
| 2049 | / I try to get files for the other ones! |
| 2050 | / |
| 2051 | / CAVE: the size of the string is currently always calculated |
| 2052 | / in 'points' (1/72 of an inch). this should later on be |
| 2053 | / changed to depend on the mapping mode. |
| 2054 | / CAVE: the path to the AFM files must be set before calling this |
| 2055 | / fun3B3Bction. this is usually done by a call like the following: |
| 2056 | / wxSetAFMPath("d:\\wxw161\\afm\\"); |
| 2057 | / |
| 2058 | / example: |
| 2059 | / |
| 2060 | / wxPostScriptDC dc(NULL, true); |
| 2061 | / if (dc.Ok()){ |
| 2062 | / wxSetAFMPath("d:\\wxw161\\afm\\"); |
| 2063 | / dc.StartDoc("Test"); |
| 2064 | / dc.StartPage(); |
| 2065 | / wxCoord w,h; |
| 2066 | / dc.SetFont(new wxFont(10, wxROMAN, wxNORMAL, wxNORMAL)); |
| 2067 | / dc.GetTextExtent("Hallo",&w,&h); |
| 2068 | / dc.EndPage(); |
| 2069 | / dc.EndDoc(); |
| 2070 | / } |
| 2071 | / |
| 2072 | / by steve (stefan.hammes@urz.uni-heidelberg.de) |
| 2073 | / created: 10.09.94 |
| 2074 | / updated: 14.05.95 */ |
| 2075 | |
| 2076 | /* these static vars are for storing the state between calls */ |
| 2077 | static int lastFamily= INT_MIN; |
| 2078 | static int lastSize= INT_MIN; |
| 2079 | static int lastStyle= INT_MIN; |
| 2080 | static int lastWeight= INT_MIN; |
| 2081 | static int lastDescender = INT_MIN; |
| 2082 | static int lastWidths[256]; /* widths of the characters */ |
| 2083 | |
| 2084 | double UnderlinePosition = 0.0; |
| 2085 | double UnderlineThickness = 0.0; |
| 2086 | |
| 2087 | // Get actual parameters |
| 2088 | int Family = fontToUse->GetFamily(); |
| 2089 | int Size = fontToUse->GetPointSize(); |
| 2090 | int Style = fontToUse->GetStyle(); |
| 2091 | int Weight = fontToUse->GetWeight(); |
| 2092 | |
| 2093 | // If we have another font, read the font-metrics |
| 2094 | if (Family!=lastFamily || Size!=lastSize || Style!=lastStyle || Weight!=lastWeight) |
| 2095 | { |
| 2096 | // Store actual values |
| 2097 | lastFamily = Family; |
| 2098 | lastSize = Size; |
| 2099 | lastStyle = Style; |
| 2100 | lastWeight = Weight; |
| 2101 | |
| 2102 | const wxChar *name; |
| 2103 | |
| 2104 | switch (Family) |
| 2105 | { |
| 2106 | case wxMODERN: |
| 2107 | case wxTELETYPE: |
| 2108 | { |
| 2109 | if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("CourBoO.afm"); |
| 2110 | else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("CourBo.afm"); |
| 2111 | else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("CourO.afm"); |
| 2112 | else name = wxT("Cour.afm"); |
| 2113 | break; |
| 2114 | } |
| 2115 | case wxROMAN: |
| 2116 | { |
| 2117 | if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("TimesBoO.afm"); |
| 2118 | else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("TimesBo.afm"); |
| 2119 | else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("TimesO.afm"); |
| 2120 | else name = wxT("TimesRo.afm"); |
| 2121 | break; |
| 2122 | } |
| 2123 | case wxSCRIPT: |
| 2124 | { |
| 2125 | name = wxT("Zapf.afm"); |
| 2126 | break; |
| 2127 | } |
| 2128 | case wxSWISS: |
| 2129 | default: |
| 2130 | { |
| 2131 | if ((Style == wxITALIC) && (Weight == wxBOLD)) name = wxT("HelvBoO.afm"); |
| 2132 | else if ((Style != wxITALIC) && (Weight == wxBOLD)) name = wxT("HelvBo.afm"); |
| 2133 | else if ((Style == wxITALIC) && (Weight != wxBOLD)) name = wxT("HelvO.afm"); |
| 2134 | else name = wxT("Helv.afm"); |
| 2135 | break; |
| 2136 | } |
| 2137 | } |
| 2138 | |
| 2139 | FILE *afmFile = NULL; |
| 2140 | |
| 2141 | // Get the directory of the AFM files |
| 2142 | wxString afmName; |
| 2143 | |
| 2144 | // VZ: I don't know if the cast always works under Unix but it clearly |
| 2145 | // never does under Windows where the pointer is |
| 2146 | // wxWindowsPrintNativeData and so calling GetFontMetricPath() on |
| 2147 | // it just crashes |
| 2148 | #ifndef __WIN32__ |
| 2149 | wxPostScriptPrintNativeData *data = |
| 2150 | wxDynamicCast(m_printData.GetNativeData(), wxPostScriptPrintNativeData); |
| 2151 | |
| 2152 | if (data && !data->GetFontMetricPath().empty()) |
| 2153 | { |
| 2154 | afmName = data->GetFontMetricPath(); |
| 2155 | afmName << wxFILE_SEP_PATH << name; |
| 2156 | } |
| 2157 | #endif // __WIN32__ |
| 2158 | |
| 2159 | if ( !afmName.empty() ) |
| 2160 | afmFile = wxFopen(afmName, wxT("r")); |
| 2161 | |
| 2162 | if ( !afmFile ) |
| 2163 | { |
| 2164 | #if defined(__UNIX__) && !defined(__VMS__) |
| 2165 | afmName = wxGetDataDir(); |
| 2166 | #else // !__UNIX__ |
| 2167 | afmName = wxStandardPaths::Get().GetDataDir(); |
| 2168 | #endif // __UNIX__/!__UNIX__ |
| 2169 | |
| 2170 | afmName << wxFILE_SEP_PATH |
| 2171 | #if defined(__LINUX__) || defined(__FREEBSD__) |
| 2172 | << wxT("gs_afm") << wxFILE_SEP_PATH |
| 2173 | #else |
| 2174 | << wxT("afm") << wxFILE_SEP_PATH |
| 2175 | #endif |
| 2176 | << name; |
| 2177 | afmFile = wxFopen(afmName,wxT("r")); |
| 2178 | } |
| 2179 | |
| 2180 | /* 2. open and process the file |
| 2181 | / a short explanation of the AFM format: |
| 2182 | / we have for each character a line, which gives its size |
| 2183 | / e.g.: |
| 2184 | / |
| 2185 | / C 63 ; WX 444 ; N question ; B 49 -14 395 676 ; |
| 2186 | / |
| 2187 | / that means, we have a character with ascii code 63, and width |
| 2188 | / (444/1000 * fontSize) points. |
| 2189 | / the other data is ignored for now! |
| 2190 | / |
| 2191 | / when the font has changed, we read in the right AFM file and store the |
| 2192 | / character widths in an array, which is processed below (see point 3.). */ |
| 2193 | if (afmFile==NULL) |
| 2194 | { |
| 2195 | wxLogDebug( wxT("GetTextExtent: can't open AFM file '%s'"), afmName.c_str() ); |
| 2196 | wxLogDebug( wxT(" using approximate values")); |
| 2197 | for (int i=0; i<256; i++) lastWidths[i] = 500; /* an approximate value */ |
| 2198 | lastDescender = -150; /* dito. */ |
| 2199 | } |
| 2200 | else |
| 2201 | { |
| 2202 | /* init the widths array */ |
| 2203 | for(int i=0; i<256; i++) lastWidths[i] = INT_MIN; |
| 2204 | /* some variables for holding parts of a line */ |
| 2205 | char cString[10], semiString[10], WXString[10]; |
| 2206 | char descString[20]; |
| 2207 | char upString[30], utString[30]; |
| 2208 | char encString[50]; |
| 2209 | char line[256]; |
| 2210 | int ascii,cWidth; |
| 2211 | /* read in the file and parse it */ |
| 2212 | while(fgets(line,sizeof(line),afmFile)!=NULL) |
| 2213 | { |
| 2214 | /* A.) check for descender definition */ |
| 2215 | if (strncmp(line,"Descender",9)==0) |
| 2216 | { |
| 2217 | if ((sscanf(line,"%s%d",descString,&lastDescender)!=2) || |
| 2218 | (strcmp(descString,"Descender")!=0)) |
| 2219 | { |
| 2220 | wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad descender)"), afmName.c_str(),line ); |
| 2221 | } |
| 2222 | } |
| 2223 | /* JC 1.) check for UnderlinePosition */ |
| 2224 | else if(strncmp(line,"UnderlinePosition",17)==0) |
| 2225 | { |
| 2226 | if ((sscanf(line,"%s%lf",upString,&UnderlinePosition)!=2) || |
| 2227 | (strcmp(upString,"UnderlinePosition")!=0)) |
| 2228 | { |
| 2229 | wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad UnderlinePosition)"), afmName.c_str(), line ); |
| 2230 | } |
| 2231 | } |
| 2232 | /* JC 2.) check for UnderlineThickness */ |
| 2233 | else if(strncmp(line,"UnderlineThickness",18)==0) |
| 2234 | { |
| 2235 | if ((sscanf(line,"%s%lf",utString,&UnderlineThickness)!=2) || |
| 2236 | (strcmp(utString,"UnderlineThickness")!=0)) |
| 2237 | { |
| 2238 | wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad UnderlineThickness)"), afmName.c_str(), line ); |
| 2239 | } |
| 2240 | } |
| 2241 | /* JC 3.) check for EncodingScheme */ |
| 2242 | else if(strncmp(line,"EncodingScheme",14)==0) |
| 2243 | { |
| 2244 | if ((sscanf(line,"%s%s",utString,encString)!=2) || |
| 2245 | (strcmp(utString,"EncodingScheme")!=0)) |
| 2246 | { |
| 2247 | wxLogDebug( wxT("AFM-file '%s': line '%s' has error (bad EncodingScheme)"), afmName.c_str(), line ); |
| 2248 | } |
| 2249 | else if (strncmp(encString, "AdobeStandardEncoding", 21)) |
| 2250 | { |
| 2251 | wxLogDebug( wxT("AFM-file '%s': line '%s' has error (unsupported EncodingScheme %s)"), |
| 2252 | afmName.c_str(),line, encString); |
| 2253 | } |
| 2254 | } |
| 2255 | /* B.) check for char-width */ |
| 2256 | else if(strncmp(line,"C ",2)==0) |
| 2257 | { |
| 2258 | if (sscanf(line,"%s%d%s%s%d",cString,&ascii,semiString,WXString,&cWidth)!=5) |
| 2259 | { |
| 2260 | wxLogDebug(wxT("AFM-file '%s': line '%s' has an error (bad character width)"),afmName.c_str(),line); |
| 2261 | } |
| 2262 | if(strcmp(cString,"C")!=0 || strcmp(semiString,";")!=0 || strcmp(WXString,"WX")!=0) |
| 2263 | { |
| 2264 | wxLogDebug(wxT("AFM-file '%s': line '%s' has a format error"),afmName.c_str(),line); |
| 2265 | } |
| 2266 | /* printf(" char '%c'=%d has width '%d'\n",ascii,ascii,cWidth); */ |
| 2267 | if (ascii>=0 && ascii<256) |
| 2268 | { |
| 2269 | lastWidths[ascii] = cWidth; /* store width */ |
| 2270 | } |
| 2271 | else |
| 2272 | { |
| 2273 | /* MATTHEW: this happens a lot; don't print an error */ |
| 2274 | /* wxLogDebug("AFM-file '%s': ASCII value %d out of range",afmName.c_str(),ascii); */ |
| 2275 | } |
| 2276 | } |
| 2277 | /* C.) ignore other entries. */ |
| 2278 | } |
| 2279 | fclose(afmFile); |
| 2280 | } |
| 2281 | /* hack to compute correct values for german 'Umlaute' |
| 2282 | / the correct way would be to map the character names |
| 2283 | / like 'adieresis' to corresp. positions of ISOEnc and read |
| 2284 | / these values from AFM files, too. Maybe later ... */ |
| 2285 | |
| 2286 | // NB: casts to int are needed to suppress gcc 3.3 warnings |
| 2287 | lastWidths[196] = lastWidths[(int)'A']; // U+00C4 A Umlaute |
| 2288 | lastWidths[228] = lastWidths[(int)'a']; // U+00E4 a Umlaute |
| 2289 | lastWidths[214] = lastWidths[(int)'O']; // U+00D6 O Umlaute |
| 2290 | lastWidths[246] = lastWidths[(int)'o']; // U+00F6 o Umlaute |
| 2291 | lastWidths[220] = lastWidths[(int)'U']; // U+00DC U Umlaute |
| 2292 | lastWidths[252] = lastWidths[(int)'u']; // U+00FC u Umlaute |
| 2293 | lastWidths[223] = lastWidths[(int)251]; // U+00DF eszett (scharfes s) |
| 2294 | |
| 2295 | /* JC: calculate UnderlineThickness/UnderlinePosition */ |
| 2296 | |
| 2297 | // VS: dirty, but is there any better solution? |
| 2298 | double *pt; |
| 2299 | pt = (double*) &m_underlinePosition; |
| 2300 | *pt = YLOG2DEVREL((wxCoord)(UnderlinePosition * fontSize)) / 1000.0f; |
| 2301 | pt = (double*) &m_underlineThickness; |
| 2302 | *pt = YLOG2DEVREL((wxCoord)(UnderlineThickness * fontSize)) / 1000.0f; |
| 2303 | |
| 2304 | } |
| 2305 | |
| 2306 | |
| 2307 | /* 3. now the font metrics are read in, calc size this |
| 2308 | / is done by adding the widths of the characters in the |
| 2309 | / string. they are given in 1/1000 of the size! */ |
| 2310 | |
| 2311 | long sum=0; |
| 2312 | float height=fontSize; /* by default */ |
| 2313 | unsigned char *p; |
| 2314 | for(p=(unsigned char *)wxMBSTRINGCAST strbuf; *p; p++) |
| 2315 | { |
| 2316 | if(lastWidths[*p]== INT_MIN) |
| 2317 | { |
| 2318 | wxLogDebug(wxT("GetTextExtent: undefined width for character '%c' (%d)"), *p,*p); |
| 2319 | sum += lastWidths[(unsigned char)' ']; /* assume space */ |
| 2320 | } |
| 2321 | else |
| 2322 | { |
| 2323 | sum += lastWidths[*p]; |
| 2324 | } |
| 2325 | } |
| 2326 | |
| 2327 | double widthSum = sum; |
| 2328 | widthSum *= fontSize; |
| 2329 | widthSum /= 1000.0F; |
| 2330 | |
| 2331 | /* add descender to height (it is usually a negative value) */ |
| 2332 | //if (lastDescender != INT_MIN) |
| 2333 | //{ |
| 2334 | // height += (wxCoord)(((-lastDescender)/1000.0F) * Size); /* MATTHEW: forgot scale */ |
| 2335 | //} |
| 2336 | // - commented by V. Slavik - height already contains descender in it |
| 2337 | // (judging from few experiments) |
| 2338 | |
| 2339 | /* return size values */ |
| 2340 | if ( x ) |
| 2341 | *x = (wxCoord)widthSum; |
| 2342 | if ( y ) |
| 2343 | *y = (wxCoord)height; |
| 2344 | |
| 2345 | /* return other parameters */ |
| 2346 | if (descent) |
| 2347 | { |
| 2348 | if(lastDescender!=INT_MIN) |
| 2349 | { |
| 2350 | *descent = (wxCoord)(((-lastDescender)/1000.0F) * fontSize); /* MATTHEW: forgot scale */ |
| 2351 | } |
| 2352 | else |
| 2353 | { |
| 2354 | *descent = 0; |
| 2355 | } |
| 2356 | } |
| 2357 | |
| 2358 | /* currently no idea how to calculate this! */ |
| 2359 | if (externalLeading) *externalLeading = 0; |
| 2360 | #endif |
| 2361 | // Use AFM |
| 2362 | } |
| 2363 | |
| 2364 | |
| 2365 | #endif // wxUSE_PRINTING_ARCHITECTURE && wxUSE_POSTSCRIPT |
| 2366 | |
| 2367 | // vi:sts=4:sw=4:et |