contrib/src/ogl/drawn.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        drawn.cpp
   3 // Purpose:     wxDrawnShape
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     12/07/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // For compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #ifdef __BORLANDC__
  16 #pragma hdrstop
  17 #endif
  18
  19 #ifndef WX_PRECOMP
  20 #include "wx/wx.h"
  21 #endif
  22
  23 #if wxUSE_PROLOGIO
  24 #include "wx/deprecated/wxexpr.h"
  25 #endif
  26
  27 #include "wx/ogl/ogl.h"
  28
  29 #if wxUSE_PROLOGIO
  30 static void IntToHex(unsigned int dec, wxChar *buf);
  31 static unsigned long HexToInt(wxChar *buf);
  32 #endif
  33
  34 extern wxChar *oglBuffer;
  35
  36 #define gyTYPE_PEN   40
  37 #define gyTYPE_BRUSH 41
  38 #define gyTYPE_FONT  42
  39
  40 /*
  41  * Drawn object
  42  *
  43  */
  44
  45 IMPLEMENT_DYNAMIC_CLASS(wxDrawnShape, wxRectangleShape)
  46
  47 wxDrawnShape::wxDrawnShape():wxRectangleShape(100.0, 50.0)
  48 {
  49   m_saveToFile = true;
  50   m_currentAngle = oglDRAWN_ANGLE_0;
  51 }
  52
  53 wxDrawnShape::~wxDrawnShape()
  54 {
  55 }
  56
  57 void wxDrawnShape::OnDraw(wxDC& dc)
  58 {
  59   // Pass pen and brush in case we have force outline
  60   // and fill colours
  61   if (m_shadowMode != SHADOW_NONE)
  62   {
  63     if (m_shadowBrush)
  64       m_metafiles[m_currentAngle].m_fillBrush = m_shadowBrush;
  65     m_metafiles[m_currentAngle].m_outlinePen = g_oglTransparentPen;
  66     m_metafiles[m_currentAngle].Draw(dc, m_xpos + m_shadowOffsetX, m_ypos + m_shadowOffsetY);
  67   }
  68
  69   m_metafiles[m_currentAngle].m_outlinePen = m_pen;
  70   m_metafiles[m_currentAngle].m_fillBrush = m_brush;
  71   m_metafiles[m_currentAngle].Draw(dc, m_xpos, m_ypos);
  72 }
  73
  74 void wxDrawnShape::SetSize(double w, double h, bool WXUNUSED(recursive))
  75 {
  76   SetAttachmentSize(w, h);
  77
  78   double scaleX;
  79   double scaleY;
  80   if (GetWidth() == 0.0)
  81     scaleX = 1.0;
  82   else scaleX = w/GetWidth();
  83   if (GetHeight() == 0.0)
  84     scaleY = 1.0;
  85   else scaleY = h/GetHeight();
  86
  87   for (int i = 0; i < 4; i++)
  88   {
  89     if (m_metafiles[i].IsValid())
  90         m_metafiles[i].Scale(scaleX, scaleY);
  91   }
  92   m_width = w;
  93   m_height = h;
  94   SetDefaultRegionSize();
  95 }
  96
  97 void wxDrawnShape::Scale(double sx, double sy)
  98 {
  99     int i;
 100     for (i = 0; i < 4; i++)
 101     {
 102         if (m_metafiles[i].IsValid())
 103         {
 104             m_metafiles[i].Scale(sx, sy);
 105             m_metafiles[i].CalculateSize(this);
 106         }
 107     }
 108 }
 109
 110 void wxDrawnShape::Translate(double x, double y)
 111 {
 112     int i;
 113     for (i = 0; i < 4; i++)
 114     {
 115         if (m_metafiles[i].IsValid())
 116         {
 117             m_metafiles[i].Translate(x, y);
 118             m_metafiles[i].CalculateSize(this);
 119         }
 120     }
 121 }
 122
 123 // theta is absolute rotation from the zero position
 124 void wxDrawnShape::Rotate(double x, double y, double theta)
 125 {
 126   m_currentAngle = DetermineMetaFile(theta);
 127
 128   if (m_currentAngle == 0)
 129   {
 130     // Rotate metafile
 131     if (!m_metafiles[0].GetRotateable())
 132       return;
 133
 134     m_metafiles[0].Rotate(x, y, theta);
 135   }
 136
 137   double actualTheta = theta-m_rotation;
 138
 139   // Rotate attachment points
 140   double sinTheta = (double)sin(actualTheta);
 141   double cosTheta = (double)cos(actualTheta);
 142   wxNode *node = m_attachmentPoints.GetFirst();
 143   while (node)
 144   {
 145     wxAttachmentPoint *point = (wxAttachmentPoint *)node->GetData();
 146     double x1 = point->m_x;
 147     double y1 = point->m_y;
 148     point->m_x = x1*cosTheta - y1*sinTheta + x*(1.0 - cosTheta) + y*sinTheta;
 149     point->m_y = x1*sinTheta + y1*cosTheta + y*(1.0 - cosTheta) + x*sinTheta;
 150     node = node->GetNext();
 151   }
 152   m_rotation = theta;
 153
 154   m_metafiles[m_currentAngle].CalculateSize(this);
 155 }
 156
 157 // Which metafile do we use now? Based on current rotation and validity
 158 // of metafiles.
 159
 160 int wxDrawnShape::DetermineMetaFile(double rotation)
 161 {
 162     double tolerance = 0.0001;
 163     const double pi = M_PI ;
 164     double angle1 = 0.0;
 165     double angle2 = pi/2.0;
 166     double angle3 = pi;
 167     double angle4 = 3.0*pi/2.0;
 168
 169     int whichMetafile = 0;
 170
 171     if (oglRoughlyEqual(rotation, angle1, tolerance))
 172     {
 173         whichMetafile = 0;
 174     }
 175     else if (oglRoughlyEqual(rotation, angle2, tolerance))
 176     {
 177         whichMetafile = 1;
 178     }
 179     else if (oglRoughlyEqual(rotation, angle3, tolerance))
 180     {
 181         whichMetafile = 2;
 182     }
 183     else if (oglRoughlyEqual(rotation, angle4, tolerance))
 184     {
 185         whichMetafile = 3;
 186     }
 187
 188     if ((whichMetafile > 0) && !m_metafiles[whichMetafile].IsValid())
 189         whichMetafile = 0;
 190
 191     return whichMetafile;
 192 }
 193
 194 void wxDrawnShape::OnDrawOutline(wxDC& dc, double x, double y, double w, double h)
 195 {
 196     if (m_metafiles[m_currentAngle].GetOutlineOp() != -1)
 197     {
 198         wxNode* node = m_metafiles[m_currentAngle].GetOps().Item(m_metafiles[m_currentAngle].GetOutlineOp());
 199         wxASSERT (node != NULL);
 200         wxDrawOp* op = (wxDrawOp*) node->GetData();
 201
 202         if (op->OnDrawOutline(dc, x, y, w, h, m_width, m_height))
 203             return;
 204     }
 205
 206     // Default... just use a rectangle
 207     wxRectangleShape::OnDrawOutline(dc, x, y, w, h);
 208 }
 209
 210 // Get the perimeter point using the special outline op, if there is one,
 211 // otherwise use default wxRectangleShape scheme
 212 bool wxDrawnShape::GetPerimeterPoint(double x1, double y1,
 213                                      double x2, double y2,
 214                                      double *x3, double *y3)
 215 {
 216     if (m_metafiles[m_currentAngle].GetOutlineOp() != -1)
 217     {
 218         wxNode* node = m_metafiles[m_currentAngle].GetOps().Item(m_metafiles[m_currentAngle].GetOutlineOp());
 219         wxASSERT (node != NULL);
 220         wxDrawOp* op = (wxDrawOp*) node->GetData();
 221
 222         if (op->GetPerimeterPoint(x1, y1, x2, y2, x3, y3, GetX(), GetY(), GetAttachmentMode()))
 223             return true;
 224     }
 225
 226     // Default... just use a rectangle
 227     return wxRectangleShape::GetPerimeterPoint(x1, y1, x2, y2, x3, y3);
 228 }
 229
 230 #if wxUSE_PROLOGIO
 231 void wxDrawnShape::WriteAttributes(wxExpr *clause)
 232 {
 233   wxRectangleShape::WriteAttributes(clause);
 234
 235   clause->AddAttributeValue(_T("current_angle"), (long)m_currentAngle);
 236   clause->AddAttributeValue(_T("save_metafile"), (long)m_saveToFile);
 237   if (m_saveToFile)
 238   {
 239     for (int i = 0; i < 4; i++)
 240     {
 241         if (m_metafiles[i].IsValid())
 242             m_metafiles[i].WriteAttributes(clause, i);
 243     }
 244   }
 245 }
 246
 247 void wxDrawnShape::ReadAttributes(wxExpr *clause)
 248 {
 249   wxRectangleShape::ReadAttributes(clause);
 250
 251   int iVal = (int) m_saveToFile;
 252   clause->GetAttributeValue(_T("save_metafile"), iVal);
 253   clause->GetAttributeValue(_T("current_angle"), m_currentAngle);
 254   m_saveToFile = (iVal != 0);
 255
 256   if (m_saveToFile)
 257   {
 258     for (int i = 0; i < 4; i++)
 259     {
 260       m_metafiles[i].ReadAttributes(clause, i);
 261     }
 262   }
 263 }
 264 #endif
 265
 266 // Does the copying for this object
 267 void wxDrawnShape::Copy(wxShape& copy)
 268 {
 269   wxRectangleShape::Copy(copy);
 270
 271   wxASSERT( copy.IsKindOf(CLASSINFO(wxDrawnShape)) ) ;
 272
 273   wxDrawnShape& drawnCopy = (wxDrawnShape&) copy;
 274
 275   for (int i = 0; i < 4; i++)
 276   {
 277     m_metafiles[i].Copy(drawnCopy.m_metafiles[i]);
 278   }
 279   drawnCopy.m_saveToFile = m_saveToFile;
 280   drawnCopy.m_currentAngle = m_currentAngle;
 281 }
 282
 283 bool wxDrawnShape::LoadFromMetaFile(const wxString& filename)
 284 {
 285   return m_metafiles[0].LoadFromMetaFile(filename, &m_width, &m_height);
 286 }
 287
 288 // Set of functions for drawing into a pseudo metafile.
 289 // They use integers, but doubles are used internally for accuracy
 290 // when scaling.
 291
 292 void wxDrawnShape::DrawLine(const wxPoint& pt1, const wxPoint& pt2)
 293 {
 294     m_metafiles[m_currentAngle].DrawLine(pt1, pt2);
 295 }
 296
 297 void wxDrawnShape::DrawRectangle(const wxRect& rect)
 298 {
 299     m_metafiles[m_currentAngle].DrawRectangle(rect);
 300 }
 301
 302 void wxDrawnShape::DrawRoundedRectangle(const wxRect& rect, double radius)
 303 {
 304     m_metafiles[m_currentAngle].DrawRoundedRectangle(rect, radius);
 305 }
 306
 307 void wxDrawnShape::DrawEllipse(const wxRect& rect)
 308 {
 309     m_metafiles[m_currentAngle].DrawEllipse(rect);
 310 }
 311
 312 void wxDrawnShape::DrawArc(const wxPoint& centrePt, const wxPoint& startPt, const wxPoint& endPt)
 313 {
 314     m_metafiles[m_currentAngle].DrawArc(centrePt, startPt, endPt);
 315 }
 316
 317 void wxDrawnShape::DrawEllipticArc(const wxRect& rect, double startAngle, double endAngle)
 318 {
 319     m_metafiles[m_currentAngle].DrawEllipticArc(rect, startAngle, endAngle);
 320 }
 321
 322 void wxDrawnShape::DrawPoint(const wxPoint& pt)
 323 {
 324     m_metafiles[m_currentAngle].DrawPoint(pt);
 325 }
 326
 327 void wxDrawnShape::DrawText(const wxString& text, const wxPoint& pt)
 328 {
 329     m_metafiles[m_currentAngle].DrawText(text, pt);
 330 }
 331
 332 void wxDrawnShape::DrawLines(int n, wxPoint pts[])
 333 {
 334     m_metafiles[m_currentAngle].DrawLines(n, pts);
 335 }
 336
 337 void wxDrawnShape::DrawPolygon(int n, wxPoint pts[], int flags)
 338 {
 339     if (flags & oglMETAFLAGS_ATTACHMENTS)
 340     {
 341         ClearAttachments();
 342         int i;
 343         for (i = 0; i < n; i++)
 344             m_attachmentPoints.Append(new wxAttachmentPoint(i, pts[i].x, pts[i].y));
 345     }
 346     m_metafiles[m_currentAngle].DrawPolygon(n, pts, flags);
 347 }
 348
 349 void wxDrawnShape::DrawSpline(int n, wxPoint pts[])
 350 {
 351     m_metafiles[m_currentAngle].DrawSpline(n, pts);
 352 }
 353
 354 void wxDrawnShape::SetClippingRect(const wxRect& rect)
 355 {
 356     m_metafiles[m_currentAngle].SetClippingRect(rect);
 357 }
 358
 359 void wxDrawnShape::DestroyClippingRect()
 360 {
 361     m_metafiles[m_currentAngle].DestroyClippingRect();
 362 }
 363
 364 void wxDrawnShape::SetDrawnPen(wxPen* pen, bool isOutline)
 365 {
 366     m_metafiles[m_currentAngle].SetPen(pen, isOutline);
 367 }
 368
 369 void wxDrawnShape::SetDrawnBrush(wxBrush* brush, bool isFill)
 370 {
 371     m_metafiles[m_currentAngle].SetBrush(brush, isFill);
 372 }
 373
 374 void wxDrawnShape::SetDrawnFont(wxFont* font)
 375 {
 376     m_metafiles[m_currentAngle].SetFont(font);
 377 }
 378
 379 void wxDrawnShape::SetDrawnTextColour(const wxColour& colour)
 380 {
 381     m_metafiles[m_currentAngle].SetTextColour(colour);
 382 }
 383
 384 void wxDrawnShape::SetDrawnBackgroundColour(const wxColour& colour)
 385 {
 386     m_metafiles[m_currentAngle].SetBackgroundColour(colour);
 387 }
 388
 389 void wxDrawnShape::SetDrawnBackgroundMode(int mode)
 390 {
 391     m_metafiles[m_currentAngle].SetBackgroundMode(mode);
 392 }
 393
 394
 395 /*
 396  * Individual operations
 397  *
 398  */
 399
 400 /*
 401  * Set font, brush, text colour
 402  *
 403  */
 404
 405 wxOpSetGDI::wxOpSetGDI(int theOp, wxPseudoMetaFile *theImage, int theGdiIndex, int theMode):
 406   wxDrawOp(theOp)
 407 {
 408   m_gdiIndex = theGdiIndex;
 409   m_image = theImage;
 410   m_mode = theMode;
 411 }
 412
 413 void wxOpSetGDI::Do(wxDC& dc, double WXUNUSED(xoffset), double WXUNUSED(yoffset))
 414 {
 415   switch (m_op)
 416   {
 417     case DRAWOP_SET_PEN:
 418     {
 419       // Check for overriding this operation for outline
 420       // colour
 421       if (m_image->m_outlineColours.Member((wxObject *)m_gdiIndex))
 422       {
 423         if (m_image->m_outlinePen)
 424           dc.SetPen(* m_image->m_outlinePen);
 425       }
 426       else
 427       {
 428         wxNode *node = m_image->m_gdiObjects.Item(m_gdiIndex);
 429         if (node)
 430         {
 431           wxPen *pen = (wxPen *)node->GetData();
 432           if (pen)
 433             dc.SetPen(* pen);
 434         }
 435       }
 436       break;
 437     }
 438     case DRAWOP_SET_BRUSH:
 439     {
 440       // Check for overriding this operation for outline or fill
 441       // colour
 442       if (m_image->m_outlineColours.Member((wxObject *)m_gdiIndex))
 443       {
 444         // Need to construct a brush to match the outline pen's colour
 445         if (m_image->m_outlinePen)
 446         {
 447           wxBrush *br = wxTheBrushList->FindOrCreateBrush(m_image->m_outlinePen->GetColour(), wxSOLID);
 448           if (br)
 449             dc.SetBrush(* br);
 450         }
 451       }
 452       else if (m_image->m_fillColours.Member((wxObject *)m_gdiIndex))
 453       {
 454         if (m_image->m_fillBrush)
 455         {
 456           dc.SetBrush(* m_image->m_fillBrush);
 457         }
 458       }
 459       else
 460       {
 461         wxNode *node = m_image->m_gdiObjects.Item(m_gdiIndex);
 462         if (node)
 463         {
 464           wxBrush *brush = (wxBrush *)node->GetData();
 465           if (brush)
 466             dc.SetBrush(* brush);
 467         }
 468       }
 469       break;
 470     }
 471     case DRAWOP_SET_FONT:
 472     {
 473       wxNode *node = m_image->m_gdiObjects.Item(m_gdiIndex);
 474       if (node)
 475       {
 476         wxFont *font = (wxFont *)node->GetData();
 477         if (font)
 478           dc.SetFont(* font);
 479       }
 480       break;
 481     }
 482     case DRAWOP_SET_TEXT_COLOUR:
 483     {
 484       wxColour col(m_r,m_g,m_b);
 485       dc.SetTextForeground(col);
 486       break;
 487     }
 488     case DRAWOP_SET_BK_COLOUR:
 489     {
 490       wxColour col(m_r,m_g,m_b);
 491       dc.SetTextBackground(col);
 492       break;
 493     }
 494     case DRAWOP_SET_BK_MODE:
 495     {
 496       dc.SetBackgroundMode(m_mode);
 497       break;
 498     }
 499     default:
 500       break;
 501   }
 502 }
 503
 504 wxDrawOp *wxOpSetGDI::Copy(wxPseudoMetaFile *newImage)
 505 {
 506   wxOpSetGDI *newOp = new wxOpSetGDI(m_op, newImage, m_gdiIndex, m_mode);
 507   newOp->m_r = m_r;
 508   newOp->m_g = m_g;
 509   newOp->m_b = m_b;
 510   return newOp;
 511 }
 512
 513 #if wxUSE_PROLOGIO
 514 wxExpr *wxOpSetGDI::WriteExpr(wxPseudoMetaFile *WXUNUSED(image))
 515 {
 516   wxExpr *expr = new wxExpr(wxExprList);
 517   expr->Append(new wxExpr((long)m_op));
 518   switch (m_op)
 519   {
 520     case DRAWOP_SET_PEN:
 521     case DRAWOP_SET_BRUSH:
 522     case DRAWOP_SET_FONT:
 523     {
 524       expr->Append(new wxExpr((long)m_gdiIndex));
 525       break;
 526     }
 527     case DRAWOP_SET_TEXT_COLOUR:
 528     case DRAWOP_SET_BK_COLOUR:
 529     {
 530       expr->Append(new wxExpr((long)m_r));
 531       expr->Append(new wxExpr((long)m_g));
 532       expr->Append(new wxExpr((long)m_b));
 533       break;
 534     }
 535     case DRAWOP_SET_BK_MODE:
 536     {
 537       expr->Append(new wxExpr((long)m_mode));
 538       break;
 539     }
 540     default:
 541       break;
 542   }
 543   return expr;
 544 }
 545
 546 void wxOpSetGDI::ReadExpr(wxPseudoMetaFile *WXUNUSED(image), wxExpr *expr)
 547 {
 548   switch (m_op)
 549   {
 550     case DRAWOP_SET_PEN:
 551     case DRAWOP_SET_BRUSH:
 552     case DRAWOP_SET_FONT:
 553     {
 554       m_gdiIndex = (int)expr->Nth(1)->IntegerValue();
 555       break;
 556     }
 557     case DRAWOP_SET_TEXT_COLOUR:
 558     case DRAWOP_SET_BK_COLOUR:
 559     {
 560       m_r = (unsigned char)expr->Nth(1)->IntegerValue();
 561       m_g = (unsigned char)expr->Nth(2)->IntegerValue();
 562       m_b = (unsigned char)expr->Nth(3)->IntegerValue();
 563       break;
 564     }
 565     case DRAWOP_SET_BK_MODE:
 566     {
 567       m_mode = (int)expr->Nth(1)->IntegerValue();
 568       break;
 569     }
 570     default:
 571       break;
 572   }
 573 }
 574 #endif
 575
 576 /*
 577  * Set/destroy clipping
 578  *
 579  */
 580
 581 wxOpSetClipping::wxOpSetClipping(int theOp, double theX1, double theY1,
 582     double theX2, double theY2):wxDrawOp(theOp)
 583 {
 584   m_x1 = theX1;
 585   m_y1 = theY1;
 586   m_x2 = theX2;
 587   m_y2 = theY2;
 588 }
 589
 590 wxDrawOp *wxOpSetClipping::Copy(wxPseudoMetaFile *WXUNUSED(newImage))
 591 {
 592   wxOpSetClipping *newOp = new wxOpSetClipping(m_op, m_x1, m_y1, m_x2, m_y2);
 593   return newOp;
 594 }
 595
 596 void wxOpSetClipping::Do(wxDC& dc, double xoffset, double yoffset)
 597 {
 598   switch (m_op)
 599   {
 600     case DRAWOP_SET_CLIPPING_RECT:
 601     {
 602       dc.SetClippingRegion((long)(m_x1 + xoffset), (long)(m_y1 + yoffset), (long)(m_x2 + xoffset), (long)(m_y2 + yoffset));
 603       break;
 604     }
 605     case DRAWOP_DESTROY_CLIPPING_RECT:
 606     {
 607       dc.DestroyClippingRegion();
 608       break;
 609     }
 610     default:
 611       break;
 612   }
 613 }
 614
 615 void wxOpSetClipping::Scale(double xScale, double yScale)
 616 {
 617   m_x1 *= xScale;
 618   m_y1 *= yScale;
 619   m_x2 *= xScale;
 620   m_y2 *= yScale;
 621 }
 622
 623 void wxOpSetClipping::Translate(double x, double y)
 624 {
 625   m_x1 += x;
 626   m_y1 += y;
 627 }
 628
 629 #if wxUSE_PROLOGIO
 630 wxExpr *wxOpSetClipping::WriteExpr(wxPseudoMetaFile *WXUNUSED(image))
 631 {
 632   wxExpr *expr = new wxExpr(wxExprList);
 633   expr->Append(new wxExpr((long)m_op));
 634   switch (m_op)
 635   {
 636     case DRAWOP_SET_CLIPPING_RECT:
 637     {
 638       expr->Append(new wxExpr(m_x1));
 639       expr->Append(new wxExpr(m_y1));
 640       expr->Append(new wxExpr(m_x2));
 641       expr->Append(new wxExpr(m_y2));
 642       break;
 643     }
 644     default:
 645       break;
 646   }
 647   return expr;
 648 }
 649
 650 void wxOpSetClipping::ReadExpr(wxPseudoMetaFile *WXUNUSED(image), wxExpr *expr)
 651 {
 652   switch (m_op)
 653   {
 654     case DRAWOP_SET_CLIPPING_RECT:
 655     {
 656       m_x1 = expr->Nth(1)->RealValue();
 657       m_y1 = expr->Nth(2)->RealValue();
 658       m_x2 = expr->Nth(3)->RealValue();
 659       m_y2 = expr->Nth(4)->RealValue();
 660       break;
 661     }
 662     default:
 663       break;
 664   }
 665 }
 666 #endif
 667
 668 /*
 669  * Draw line, rectangle, rounded rectangle, ellipse, point, arc, text
 670  *
 671  */
 672
 673 wxOpDraw::wxOpDraw(int theOp, double theX1, double theY1, double theX2, double theY2,
 674          double theRadius, const wxString& s) : wxDrawOp(theOp)
 675 {
 676   m_x1 = theX1;
 677   m_y1 = theY1;
 678   m_x2 = theX2;
 679   m_y2 = theY2;
 680   m_x3 = 0.0;
 681   m_y3 = 0.0;
 682   m_radius = theRadius;
 683   m_textString = s;
 684 }
 685
 686 wxOpDraw::~wxOpDraw()
 687 {
 688 }
 689
 690 wxDrawOp *wxOpDraw::Copy(wxPseudoMetaFile *WXUNUSED(newImage))
 691 {
 692   wxOpDraw *newOp = new wxOpDraw(m_op, m_x1, m_y1, m_x2, m_y2, m_radius, m_textString);
 693   newOp->m_x3 = m_x3;
 694   newOp->m_y3 = m_y3;
 695   return newOp;
 696 }
 697
 698 void wxOpDraw::Do(wxDC& dc, double xoffset, double yoffset)
 699 {
 700   switch (m_op)
 701   {
 702     case DRAWOP_DRAW_LINE:
 703     {
 704       dc.DrawLine(WXROUND(m_x1+xoffset), WXROUND(m_y1+yoffset), WXROUND(m_x2+xoffset), WXROUND(m_y2+yoffset));
 705       break;
 706     }
 707     case DRAWOP_DRAW_RECT:
 708     {
 709       dc.DrawRectangle(WXROUND(m_x1+xoffset), WXROUND(m_y1+yoffset), WXROUND(m_x2), WXROUND(m_y2));
 710       break;
 711     }
 712     case DRAWOP_DRAW_ROUNDED_RECT:
 713     {
 714       dc.DrawRoundedRectangle(WXROUND(m_x1+xoffset), WXROUND(m_y1+yoffset), WXROUND(m_x2), WXROUND(m_y2), m_radius);
 715       break;
 716     }
 717     case DRAWOP_DRAW_ELLIPSE:
 718     {
 719       dc.DrawEllipse(WXROUND(m_x1+xoffset), WXROUND(m_y1+yoffset), WXROUND(m_x2), WXROUND(m_y2));
 720       break;
 721     }
 722     case DRAWOP_DRAW_ARC:
 723     {
 724       dc.DrawArc(WXROUND(m_x2+xoffset), WXROUND(m_y2+yoffset),
 725                  WXROUND(m_x3+xoffset), WXROUND(m_y3+yoffset),
 726                  WXROUND(m_x1+xoffset), WXROUND(m_y1+yoffset));
 727       break;
 728     }
 729     case DRAWOP_DRAW_ELLIPTIC_ARC:
 730     {
 731       const double pi = M_PI ;
 732
 733       // Convert back to degrees
 734       dc.DrawEllipticArc(
 735                  WXROUND(m_x1+xoffset), WXROUND(m_y1+yoffset),
 736                  WXROUND(m_x2), WXROUND(m_y2),
 737                  WXROUND(m_x3*(360.0/(2.0*pi))), WXROUND(m_y3*(360.0/(2.0*pi))));
 738       break;
 739     }
 740     case DRAWOP_DRAW_POINT:
 741     {
 742       dc.DrawPoint(WXROUND(m_x1+xoffset), WXROUND(m_y1+yoffset));
 743       break;
 744     }
 745     case DRAWOP_DRAW_TEXT:
 746     {
 747       dc.DrawText(m_textString, WXROUND(m_x1+xoffset), WXROUND(m_y1+yoffset));
 748       break;
 749     }
 750     default:
 751       break;
 752   }
 753 }
 754
 755 void wxOpDraw::Scale(double scaleX, double scaleY)
 756 {
 757   m_x1 *= scaleX;
 758   m_y1 *= scaleY;
 759   m_x2 *= scaleX;
 760   m_y2 *= scaleY;
 761
 762   if (m_op != DRAWOP_DRAW_ELLIPTIC_ARC)
 763   {
 764     m_x3 *= scaleX;
 765     m_y3 *= scaleY;
 766   }
 767
 768   m_radius *= scaleX;
 769 }
 770
 771 void wxOpDraw::Translate(double x, double y)
 772 {
 773   m_x1 += x;
 774   m_y1 += y;
 775
 776   switch (m_op)
 777   {
 778     case DRAWOP_DRAW_LINE:
 779     {
 780       m_x2 += x;
 781       m_y2 += y;
 782       break;
 783     }
 784     case DRAWOP_DRAW_ARC:
 785     {
 786       m_x2 += x;
 787       m_y2 += y;
 788       m_x3 += x;
 789       m_y3 += y;
 790       break;
 791     }
 792     case DRAWOP_DRAW_ELLIPTIC_ARC:
 793     {
 794       break;
 795     }
 796     default:
 797       break;
 798   }
 799 }
 800
 801 void wxOpDraw::Rotate(double x, double y, double theta, double sinTheta, double cosTheta)
 802 {
 803   double newX1 = m_x1*cosTheta - m_y1*sinTheta + x*(1.0 - cosTheta) + y*sinTheta;
 804   double newY1 = m_x1*sinTheta + m_y1*cosTheta + y*(1.0 - cosTheta) + x*sinTheta;
 805
 806   switch (m_op)
 807   {
 808     case DRAWOP_DRAW_LINE:
 809     {
 810       double newX2 = m_x2*cosTheta - m_y2*sinTheta + x*(1.0 - cosTheta) + y*sinTheta;
 811       double newY2 = m_x2*sinTheta + m_y2*cosTheta + y*(1.0 - cosTheta) + x*sinTheta;
 812
 813       m_x1 = newX1;
 814       m_y1 = newY1;
 815       m_x2 = newX2;
 816       m_y2 = newY2;
 817       break;
 818     }
 819     case DRAWOP_DRAW_RECT:
 820     case DRAWOP_DRAW_ROUNDED_RECT:
 821     case DRAWOP_DRAW_ELLIPTIC_ARC:
 822     {
 823       // Assume only 0, 90, 180, 270 degree rotations.
 824       // oldX1, oldY1 represents the top left corner. Find the
 825       // bottom right, and rotate that. Then the width/height is the difference
 826       // between x/y values.
 827       double oldBottomRightX = m_x1 + m_x2;
 828       double oldBottomRightY = m_y1 + m_y2;
 829       double newBottomRightX = oldBottomRightX*cosTheta - oldBottomRightY*sinTheta + x*(1.0 - cosTheta) + y*sinTheta;
 830       double newBottomRightY = oldBottomRightX*sinTheta + oldBottomRightY*cosTheta + y*(1.0 - cosTheta) + x*sinTheta;
 831
 832       // Now find the new top-left, bottom-right coordinates.
 833       double minX = wxMin(newX1, newBottomRightX);
 834       double minY = wxMin(newY1, newBottomRightY);
 835       double maxX = wxMax(newX1, newBottomRightX);
 836       double maxY = wxMax(newY1, newBottomRightY);
 837
 838       m_x1 = minX;
 839       m_y1 = minY;
 840       m_x2 = maxX - minX; // width
 841       m_y2 = maxY - minY; // height
 842
 843       if (m_op == DRAWOP_DRAW_ELLIPTIC_ARC)
 844       {
 845         // Add rotation to angles
 846         m_x3 += theta;
 847         m_y3 += theta;
 848       }
 849
 850       break;
 851     }
 852     case DRAWOP_DRAW_ARC:
 853     {
 854       double newX2 = m_x2*cosTheta - m_y2*sinTheta + x*(1.0 - cosTheta) + y*sinTheta;
 855       double newY2 = m_x2*sinTheta + m_y2*cosTheta + y*(1.0 - cosTheta) + x*sinTheta;
 856       double newX3 = m_x3*cosTheta - m_y3*sinTheta + x*(1.0 - cosTheta) + y*sinTheta;
 857       double newY3 = m_x3*sinTheta + m_y3*cosTheta + y*(1.0 - cosTheta) + x*sinTheta;
 858
 859       m_x1 = newX1;
 860       m_y1 = newY1;
 861       m_x2 = newX2;
 862       m_y2 = newY2;
 863       m_x3 = newX3;
 864       m_y3 = newY3;
 865
 866       break;
 867     }
 868     default:
 869       break;
 870   }
 871 }
 872
 873 #if wxUSE_PROLOGIO
 874 wxExpr *wxOpDraw::WriteExpr(wxPseudoMetaFile *WXUNUSED(image))
 875 {
 876   wxExpr *expr = new wxExpr(wxExprList);
 877   expr->Append(new wxExpr((long)m_op));
 878   switch (m_op)
 879   {
 880     case DRAWOP_DRAW_LINE:
 881     case DRAWOP_DRAW_RECT:
 882     case DRAWOP_DRAW_ELLIPSE:
 883     {
 884       expr->Append(new wxExpr(m_x1));
 885       expr->Append(new wxExpr(m_y1));
 886       expr->Append(new wxExpr(m_x2));
 887       expr->Append(new wxExpr(m_y2));
 888       break;
 889     }
 890     case DRAWOP_DRAW_ROUNDED_RECT:
 891     {
 892       expr->Append(new wxExpr(m_x1));
 893       expr->Append(new wxExpr(m_y1));
 894       expr->Append(new wxExpr(m_x2));
 895       expr->Append(new wxExpr(m_y2));
 896       expr->Append(new wxExpr(m_radius));
 897       break;
 898     }
 899     case DRAWOP_DRAW_POINT:
 900     {
 901       expr->Append(new wxExpr(m_x1));
 902       expr->Append(new wxExpr(m_y1));
 903       break;
 904     }
 905     case DRAWOP_DRAW_TEXT:
 906     {
 907       expr->Append(new wxExpr(m_x1));
 908       expr->Append(new wxExpr(m_y1));
 909       expr->Append(new wxExpr(wxExprString, m_textString));
 910       break;
 911     }
 912     case DRAWOP_DRAW_ARC:
 913     case DRAWOP_DRAW_ELLIPTIC_ARC:
 914     {
 915       expr->Append(new wxExpr(m_x1));
 916       expr->Append(new wxExpr(m_y1));
 917       expr->Append(new wxExpr(m_x2));
 918       expr->Append(new wxExpr(m_y2));
 919       expr->Append(new wxExpr(m_x3));
 920       expr->Append(new wxExpr(m_y3));
 921       break;
 922     }
 923     default:
 924     {
 925       break;
 926     }
 927   }
 928   return expr;
 929 }
 930
 931 void wxOpDraw::ReadExpr(wxPseudoMetaFile *WXUNUSED(image), wxExpr *expr)
 932 {
 933   switch (m_op)
 934   {
 935     case DRAWOP_DRAW_LINE:
 936     case DRAWOP_DRAW_RECT:
 937     case DRAWOP_DRAW_ELLIPSE:
 938     {
 939       m_x1 = expr->Nth(1)->RealValue();
 940       m_y1 = expr->Nth(2)->RealValue();
 941       m_x2 = expr->Nth(3)->RealValue();
 942       m_y2 = expr->Nth(4)->RealValue();
 943       break;
 944     }
 945     case DRAWOP_DRAW_ROUNDED_RECT:
 946     {
 947       m_x1 = expr->Nth(1)->RealValue();
 948       m_y1 = expr->Nth(2)->RealValue();
 949       m_x2 = expr->Nth(3)->RealValue();
 950       m_y2 = expr->Nth(4)->RealValue();
 951       m_radius = expr->Nth(5)->RealValue();
 952       break;
 953     }
 954     case DRAWOP_DRAW_POINT:
 955     {
 956       m_x1 = expr->Nth(1)->RealValue();
 957       m_y1 = expr->Nth(2)->RealValue();
 958       break;
 959     }
 960     case DRAWOP_DRAW_TEXT:
 961     {
 962       m_x1 = expr->Nth(1)->RealValue();
 963       m_y1 = expr->Nth(2)->RealValue();
 964       m_textString = wxString(expr->Nth(3)->StringValue());
 965       break;
 966     }
 967     case DRAWOP_DRAW_ARC:
 968     case DRAWOP_DRAW_ELLIPTIC_ARC:
 969     {
 970       m_x1 = expr->Nth(1)->RealValue();
 971       m_y1 = expr->Nth(2)->RealValue();
 972       m_x2 = expr->Nth(3)->RealValue();
 973       m_y2 = expr->Nth(4)->RealValue();
 974       m_x3 = expr->Nth(5)->RealValue();
 975       m_y3 = expr->Nth(6)->RealValue();
 976       break;
 977     }
 978     default:
 979     {
 980       break;
 981     }
 982   }
 983 }
 984 #endif
 985
 986 /*
 987  * Draw polygon, polyline, spline
 988  *
 989  */
 990
 991 wxOpPolyDraw::wxOpPolyDraw(int theOp, int n, wxRealPoint *thePoints):wxDrawOp(theOp)
 992 {
 993   m_noPoints = n;
 994   m_points = thePoints;
 995 }
 996
 997 wxOpPolyDraw::~wxOpPolyDraw()
 998 {
 999   delete[] m_points;
1000 }
1001
1002 wxDrawOp *wxOpPolyDraw::Copy(wxPseudoMetaFile *WXUNUSED(newImage))
1003 {
1004   wxRealPoint *newPoints = new wxRealPoint[m_noPoints];
1005   for (int i = 0; i < m_noPoints; i++)
1006   {
1007     newPoints[i].x = m_points[i].x;
1008     newPoints[i].y = m_points[i].y;
1009   }
1010   wxOpPolyDraw *newOp = new wxOpPolyDraw(m_op, m_noPoints, newPoints);
1011   return newOp;
1012 }
1013
1014 void wxOpPolyDraw::Do(wxDC& dc, double xoffset, double yoffset)
1015 {
1016   switch (m_op)
1017   {
1018     case DRAWOP_DRAW_POLYLINE:
1019     {
1020         wxPoint *actualPoints = new wxPoint[m_noPoints];
1021         int i;
1022         for (i = 0; i < m_noPoints; i++)
1023         {
1024             actualPoints[i].x = WXROUND(m_points[i].x);
1025             actualPoints[i].y = WXROUND(m_points[i].y);
1026         }
1027
1028         dc.DrawLines(m_noPoints, actualPoints, WXROUND(xoffset), WXROUND(yoffset));
1029
1030         delete[] actualPoints;
1031         break;
1032     }
1033     case DRAWOP_DRAW_POLYGON:
1034     {
1035         wxPoint *actualPoints = new wxPoint[m_noPoints];
1036         int i;
1037         for (i = 0; i < m_noPoints; i++)
1038         {
1039             actualPoints[i].x = WXROUND(m_points[i].x);
1040             actualPoints[i].y = WXROUND(m_points[i].y);
1041         }
1042
1043         dc.DrawPolygon(m_noPoints, actualPoints, WXROUND(xoffset), WXROUND(yoffset));
1044
1045         delete[] actualPoints;
1046         break;
1047     }
1048     case DRAWOP_DRAW_SPLINE:
1049     {
1050         wxPoint *actualPoints = new wxPoint[m_noPoints];
1051         int i;
1052         for (i = 0; i < m_noPoints; i++)
1053         {
1054             actualPoints[i].x = WXROUND(m_points[i].x);
1055             actualPoints[i].y = WXROUND(m_points[i].y);
1056         }
1057
1058         dc.DrawSpline(m_noPoints, actualPoints); // no offsets in DrawSpline // , xoffset, yoffset);
1059
1060         delete[] actualPoints;
1061         break;
1062     }
1063     default:
1064       break;
1065   }
1066 }
1067
1068 void wxOpPolyDraw::Scale(double scaleX, double scaleY)
1069 {
1070   for (int i = 0; i < m_noPoints; i++)
1071   {
1072     m_points[i].x *= scaleX;
1073     m_points[i].y *= scaleY;
1074   }
1075 }
1076
1077 void wxOpPolyDraw::Translate(double x, double y)
1078 {
1079   for (int i = 0; i < m_noPoints; i++)
1080   {
1081     m_points[i].x += x;
1082     m_points[i].y += y;
1083   }
1084 }
1085
1086 void wxOpPolyDraw::Rotate(double x, double y, double WXUNUSED(theta), double sinTheta, double cosTheta)
1087 {
1088   for (int i = 0; i < m_noPoints; i++)
1089   {
1090     double x1 = m_points[i].x;
1091     double y1 = m_points[i].y;
1092     m_points[i].x = x1*cosTheta - y1*sinTheta + x*(1.0 - cosTheta) + y*sinTheta;
1093     m_points[i].y = x1*sinTheta + y1*cosTheta + y*(1.0 - cosTheta) + x*sinTheta;
1094   }
1095 }
1096
1097 #if wxUSE_PROLOGIO
1098 wxExpr *wxOpPolyDraw::WriteExpr(wxPseudoMetaFile *WXUNUSED(image))
1099 {
1100   wxExpr *expr = new wxExpr(wxExprList);
1101   expr->Append(new wxExpr((long)m_op));
1102   expr->Append(new wxExpr((long)m_noPoints));
1103
1104 //  char buf1[9];
1105   wxChar buf2[5];
1106   wxChar buf3[5];
1107
1108   oglBuffer[0] = 0;
1109
1110   /*
1111    * Store each coordinate pair in a hex string to save space.
1112    * E.g. "1B9080CD". 4 hex digits per coordinate pair.
1113    *
1114    */
1115
1116   for (int i = 0; i < m_noPoints; i++)
1117   {
1118     long signedX = (long)(m_points[i].x*100.0);
1119     long signedY = (long)(m_points[i].y*100.0);
1120
1121     // Scale to 0 -> 64K
1122     unsigned int unSignedX = (unsigned int)(signedX + 32767.0);
1123     unsigned int unSignedY = (unsigned int)(signedY + 32767.0);
1124
1125     IntToHex(unSignedX, buf2);
1126     IntToHex(unSignedY, buf3);
1127
1128     // Don't overrun the buffer
1129     if ((i*8) < 3000)
1130     {
1131       wxStrcat(oglBuffer, buf2);
1132       wxStrcat(oglBuffer, buf3);
1133     }
1134   }
1135   expr->Append(new wxExpr(wxExprString, oglBuffer));
1136   return expr;
1137 }
1138
1139 void wxOpPolyDraw::ReadExpr(wxPseudoMetaFile *WXUNUSED(image), wxExpr *expr)
1140 {
1141   m_noPoints = (int)expr->Nth(1)->IntegerValue();
1142
1143   wxChar buf1[5];
1144   wxChar buf2[5];
1145
1146   m_points = new wxRealPoint[m_noPoints];
1147   int i = 0;
1148   int bufPtr = 0;
1149   wxString hexString = expr->Nth(2)->StringValue();
1150   while (i < m_noPoints)
1151   {
1152     buf1[0] = hexString[(size_t)bufPtr];
1153     buf1[1] = hexString[(size_t)(bufPtr + 1)];
1154     buf1[2] = hexString[(size_t)(bufPtr + 2)];
1155     buf1[3] = hexString[(size_t)(bufPtr + 3)];
1156     buf1[4] = 0;
1157
1158     buf2[0] = hexString[(size_t)(bufPtr + 4)];
1159     buf2[1] = hexString[(size_t)(bufPtr + 5)];
1160     buf2[2] = hexString[(size_t)(bufPtr + 6)];
1161     buf2[3] = hexString[(size_t)(bufPtr + 7)];
1162     buf2[4] = 0;
1163
1164     bufPtr += 8;
1165
1166 //    int signedX = (signed int)HexToInt(buf1);
1167 //    int signedY = (signed int)HexToInt(buf2);
1168     long unSignedX = HexToInt(buf1);
1169     long unSignedY = HexToInt(buf2);
1170     // Scale -32K -> +32K
1171     long signedX = unSignedX - 32767;
1172     long signedY = unSignedY - 32767;
1173 #if defined(__WXMSW__) && 0
1174     int testX = (signed int)unSignedX;
1175     int testY = (signed int)unSignedY;
1176 #endif
1177
1178     m_points[i].x = (double)(signedX / 100.0);
1179     m_points[i].y = (double)(signedY / 100.0);
1180
1181     i ++;
1182   }
1183 }
1184 #endif
1185
1186 // Draw an outline using the current operation.
1187 bool wxOpPolyDraw::OnDrawOutline(wxDC& dc, double x, double y, double w, double h, double oldW, double oldH)
1188 {
1189     dc.SetBrush(* wxTRANSPARENT_BRUSH);
1190
1191     // Multiply all points by proportion of new size to old size
1192     double x_proportion = (double)(fabs(w/oldW));
1193     double y_proportion = (double)(fabs(h/oldH));
1194
1195     int n = m_noPoints;
1196     wxPoint *intPoints = new wxPoint[n];
1197     int i;
1198     for (i = 0; i < n; i++)
1199     {
1200         intPoints[i].x = WXROUND (x_proportion * m_points[i].x);
1201         intPoints[i].y = WXROUND (y_proportion * m_points[i].y);
1202     }
1203     dc.DrawPolygon(n, intPoints, (long) x, (long) y);
1204     delete[] intPoints;
1205     return true;
1206 }
1207
1208 // Assume (x1, y1) is centre of box (most generally, line end at box)
1209 bool wxOpPolyDraw::GetPerimeterPoint(double x1, double y1,
1210                                      double x2, double y2,
1211                                      double *x3, double *y3,
1212                                      double xOffset, double yOffset,
1213                                      int attachmentMode)
1214 {
1215   int n = m_noPoints;
1216
1217   // First check for situation where the line is vertical,
1218   // and we would want to connect to a point on that vertical --
1219   // oglFindEndForPolyline can't cope with this (the arrow
1220   // gets drawn to the wrong place).
1221   if ((attachmentMode == ATTACHMENT_MODE_NONE) && (x1 == x2))
1222   {
1223     // Look for the point we'd be connecting to. This is
1224     // a heuristic...
1225     int i;
1226     for (i = 0; i < n; i++)
1227     {
1228       wxRealPoint *point = & (m_points[i]);
1229       if (point->x == 0.0)
1230       {
1231         if ((y2 > y1) && (point->y > 0.0))
1232         {
1233           *x3 = point->x + xOffset;
1234           *y3 = point->y + yOffset;
1235           return true;
1236         }
1237         else if ((y2 < y1) && (point->y < 0.0))
1238         {
1239           *x3 = point->x + xOffset;
1240           *y3 = point->y + yOffset;
1241           return true;
1242         }
1243       }
1244     }
1245   }
1246
1247   double *xpoints = new double[n];
1248   double *ypoints = new double[n];
1249
1250   for (int i = 0; i < n; i++)
1251   {
1252     wxRealPoint *point = & (m_points[i]);
1253     xpoints[i] = point->x + xOffset;
1254     ypoints[i] = point->y + yOffset;
1255   }
1256
1257   oglFindEndForPolyline(n, xpoints, ypoints,
1258                         x1, y1, x2, y2, x3, y3);
1259
1260   delete[] xpoints;
1261   delete[] ypoints;
1262
1263   return true;
1264 }
1265
1266
1267 /*
1268  * Utilities
1269  *
1270  */
1271
1272 #if wxUSE_PROLOGIO
1273
1274 static char hexArray[] = {
1275     _T('0'), _T('1'), _T('2'), _T('3'), _T('4'), _T('5'), _T('6'), _T('7'),
1276     _T('8'), _T('9'), _T('A'), _T('B'), _T('C'), _T('D'), _T('E'), _T('F') };
1277
1278 // Convert unsigned 16-bit integer to 4-character hex string
1279 static void IntToHex(unsigned int dec, wxChar *buf)
1280 {
1281   int digit1 = (int)(dec/4096);
1282   int digit2 = (int)((dec - (digit1*4096))/256);
1283   int digit3 = (int)((dec - (digit1*4096) - (digit2*256))/16);
1284   int digit4 = dec - (digit1*4096 + digit2*256 + digit3*16);
1285
1286   buf[0] = hexArray[digit1];
1287   buf[1] = hexArray[digit2];
1288   buf[2] = hexArray[digit3];
1289   buf[3] = hexArray[digit4];
1290   buf[4] = 0;
1291 }
1292
1293 // One hex digit to decimal number
1294 static int HexToInt1(wxChar hex)
1295 {
1296   switch (hex)
1297   {
1298     case _T('0'):
1299       return 0;
1300     case _T('1'):
1301       return 1;
1302     case _T('2'):
1303       return 2;
1304     case _T('3'):
1305       return 3;
1306     case _T('4'):
1307       return 4;
1308     case _T('5'):
1309       return 5;
1310     case _T('6'):
1311       return 6;
1312     case _T('7'):
1313       return 7;
1314     case _T('8'):
1315       return 8;
1316     case _T('9'):
1317       return 9;
1318     case _T('A'):
1319       return 10;
1320     case _T('B'):
1321       return 11;
1322     case _T('C'):
1323       return 12;
1324     case _T('D'):
1325       return 13;
1326     case _T('E'):
1327       return 14;
1328     case _T('F'):
1329       return 15;
1330   }
1331
1332   return 0;
1333 }
1334
1335 // 4-digit hex string to unsigned integer
1336 static unsigned long HexToInt(wxChar *buf)
1337 {
1338   long d1 = (long)(HexToInt1(buf[0])*4096.0) ;
1339   long d2 = (long)(HexToInt1(buf[1])*256.0) ;
1340   long d3 = (long)(HexToInt1(buf[2])*16.0) ;
1341   long d4 = (long)(HexToInt1(buf[3])) ;
1342   unsigned long n = (long)(d1 + d2 + d3 + d4) ;
1343   return n;
1344 }
1345
1346 #endif // wxUSE_PROLOGIO
1347
1348 /*
1349  * wxPseudo meta-file
1350  *
1351  */
1352
1353 IMPLEMENT_DYNAMIC_CLASS(wxPseudoMetaFile, wxObject)
1354
1355 wxPseudoMetaFile::wxPseudoMetaFile()
1356 {
1357   m_currentRotation = 0;
1358   m_rotateable = true;
1359   m_width = 0.0;
1360   m_height = 0.0;
1361   m_outlinePen = NULL;
1362   m_fillBrush = NULL;
1363   m_outlineOp = -1;
1364 }
1365
1366 wxPseudoMetaFile::wxPseudoMetaFile(wxPseudoMetaFile& mf):wxObject()
1367 {
1368   mf.Copy(*this);
1369 }
1370
1371 wxPseudoMetaFile::~wxPseudoMetaFile()
1372 {
1373   Clear();
1374 }
1375
1376 void wxPseudoMetaFile::Clear()
1377 {
1378   wxNode *node = m_ops.GetFirst();
1379   while (node)
1380   {
1381     wxDrawOp *op = (wxDrawOp *)node->GetData();
1382     delete op;
1383     node = node->GetNext();
1384   }
1385   m_ops.Clear();
1386   m_gdiObjects.Clear();
1387   m_outlineColours.Clear();
1388   m_fillColours.Clear();
1389   m_outlineOp = -1;
1390 }
1391
1392 void wxPseudoMetaFile::Draw(wxDC& dc, double xoffset, double yoffset)
1393 {
1394   wxNode *node = m_ops.GetFirst();
1395   while (node)
1396   {
1397     wxDrawOp *op = (wxDrawOp *)node->GetData();
1398     op->Do(dc, xoffset, yoffset);
1399     node = node->GetNext();
1400   }
1401 }
1402
1403 void wxPseudoMetaFile::Scale(double sx, double sy)
1404 {
1405   wxNode *node = m_ops.GetFirst();
1406   while (node)
1407   {
1408     wxDrawOp *op = (wxDrawOp *)node->GetData();
1409     op->Scale(sx, sy);
1410     node = node->GetNext();
1411   }
1412   m_width *= sx;
1413   m_height *= sy;
1414 }
1415
1416 void wxPseudoMetaFile::Translate(double x, double y)
1417 {
1418   wxNode *node = m_ops.GetFirst();
1419   while (node)
1420   {
1421     wxDrawOp *op = (wxDrawOp *)node->GetData();
1422     op->Translate(x, y);
1423     node = node->GetNext();
1424   }
1425 }
1426
1427 void wxPseudoMetaFile::Rotate(double x, double y, double theta)
1428 {
1429   double theta1 = theta-m_currentRotation;
1430   if (theta1 == 0.0) return;
1431   double cosTheta = (double)cos(theta1);
1432   double sinTheta = (double)sin(theta1);
1433
1434   wxNode *node = m_ops.GetFirst();
1435   while (node)
1436   {
1437     wxDrawOp *op = (wxDrawOp *)node->GetData();
1438     op->Rotate(x, y, theta, sinTheta, cosTheta);
1439     node = node->GetNext();
1440   }
1441   m_currentRotation = theta;
1442 }
1443
1444 #if wxUSE_PROLOGIO
1445 void wxPseudoMetaFile::WriteAttributes(wxExpr *clause, int whichAngle)
1446 {
1447   wxString widthStr;
1448   widthStr.Printf(wxT("meta_width%d"), whichAngle);
1449
1450   wxString heightStr;
1451   heightStr.Printf(wxT("meta_height%d"), whichAngle);
1452
1453   wxString outlineStr;
1454   outlineStr.Printf(wxT("outline_op%d"), whichAngle);
1455
1456   wxString rotateableStr;
1457   rotateableStr.Printf(wxT("meta_rotateable%d"), whichAngle);
1458
1459   // Write width and height
1460   clause->AddAttributeValue(widthStr, m_width);
1461   clause->AddAttributeValue(heightStr, m_height);
1462   clause->AddAttributeValue(rotateableStr, (long)m_rotateable);
1463   clause->AddAttributeValue(outlineStr, (long)m_outlineOp);
1464
1465   // Write GDI objects
1466   wxChar buf[50];
1467   int i = 1;
1468   wxNode *node = m_gdiObjects.GetFirst();
1469   while (node)
1470   {
1471     wxSprintf(buf, _T("gdi%d_%d"), whichAngle, i);
1472     wxObject *obj = (wxObject *)node->GetData();
1473     wxExpr *expr = NULL;
1474     if (obj)
1475     {
1476       if (obj->IsKindOf(CLASSINFO(wxPen)))
1477       {
1478         wxPen *thePen = (wxPen *)obj;
1479         expr = new wxExpr(wxExprList);
1480         expr->Append(new wxExpr((long)gyTYPE_PEN));
1481         expr->Append(new wxExpr((long)thePen->GetWidth()));
1482         expr->Append(new wxExpr((long)thePen->GetStyle()));
1483         expr->Append(new wxExpr((long)thePen->GetColour().Red()));
1484         expr->Append(new wxExpr((long)thePen->GetColour().Green()));
1485         expr->Append(new wxExpr((long)thePen->GetColour().Blue()));
1486       }
1487       else if (obj->IsKindOf(CLASSINFO(wxBrush)))
1488       {
1489         wxBrush *theBrush = (wxBrush *)obj;
1490         expr = new wxExpr(wxExprList);
1491         expr->Append(new wxExpr((long)gyTYPE_BRUSH));
1492         expr->Append(new wxExpr((long)theBrush->GetStyle()));
1493         expr->Append(new wxExpr((long)theBrush->GetColour().Red()));
1494         expr->Append(new wxExpr((long)theBrush->GetColour().Green()));
1495         expr->Append(new wxExpr((long)theBrush->GetColour().Blue()));
1496       }
1497       else if (obj->IsKindOf(CLASSINFO(wxFont)))
1498       {
1499         wxFont *theFont = (wxFont *)obj;
1500         expr = new wxExpr(wxExprList);
1501         expr->Append(new wxExpr((long)gyTYPE_FONT));
1502         expr->Append(new wxExpr((long)theFont->GetPointSize()));
1503         expr->Append(new wxExpr((long)theFont->GetFamily()));
1504         expr->Append(new wxExpr((long)theFont->GetStyle()));
1505         expr->Append(new wxExpr((long)theFont->GetWeight()));
1506         expr->Append(new wxExpr((long)theFont->GetUnderlined()));
1507       }
1508     }
1509     else
1510     {
1511       // If no recognised GDI object, append a place holder anyway.
1512       expr = new wxExpr(wxExprList);
1513       expr->Append(new wxExpr((long)0));
1514     }
1515
1516     if (expr)
1517     {
1518       clause->AddAttributeValue(buf, expr);
1519       i ++;
1520     }
1521     node = node->GetNext();
1522   }
1523
1524   // Write drawing operations
1525   i = 1;
1526   node = m_ops.GetFirst();
1527   while (node)
1528   {
1529     wxSprintf(buf, _T("op%d_%d"), whichAngle, i);
1530     wxDrawOp *op = (wxDrawOp *)node->GetData();
1531     wxExpr *expr = op->WriteExpr(this);
1532     if (expr)
1533     {
1534       clause->AddAttributeValue(buf, expr);
1535       i ++;
1536     }
1537     node = node->GetNext();
1538   }
1539
1540   // Write outline and fill GDI op lists (if any)
1541   if (m_outlineColours.GetCount() > 0)
1542   {
1543     wxExpr *outlineExpr = new wxExpr(wxExprList);
1544     node = m_outlineColours.GetFirst();
1545     while (node)
1546     {
1547       outlineExpr->Append(new wxExpr((long)node->GetData()));
1548       node = node->GetNext();
1549     }
1550     wxString outlineObjectsStr;
1551     outlineObjectsStr.Printf(wxT("outline_objects%d"), whichAngle);
1552
1553     clause->AddAttributeValue(outlineObjectsStr, outlineExpr);
1554   }
1555   if (m_fillColours.GetCount() > 0)
1556   {
1557     wxExpr *fillExpr = new wxExpr(wxExprList);
1558     node = m_fillColours.GetFirst();
1559     while (node)
1560     {
1561       fillExpr->Append(new wxExpr((long)node->GetData()));
1562       node = node->GetNext();
1563     }
1564     wxString fillObjectsStr;
1565     fillObjectsStr.Printf(wxT("fill_objects%d"), whichAngle);
1566
1567     clause->AddAttributeValue(fillObjectsStr, fillExpr);
1568   }
1569
1570 }
1571
1572 void wxPseudoMetaFile::ReadAttributes(wxExpr *clause, int whichAngle)
1573 {
1574   wxString widthStr;
1575   widthStr.Printf(wxT("meta_width%d"), whichAngle);
1576
1577   wxString heightStr;
1578   heightStr.Printf(wxT("meta_height%d"), whichAngle);
1579
1580   wxString outlineStr;
1581   outlineStr.Printf(wxT("outline_op%d"), whichAngle);
1582
1583   wxString rotateableStr;
1584   rotateableStr.Printf(wxT("meta_rotateable%d"), whichAngle);
1585
1586   clause->GetAttributeValue(widthStr, m_width);
1587   clause->GetAttributeValue(heightStr, m_height);
1588   clause->GetAttributeValue(outlineStr, m_outlineOp);
1589
1590   int iVal = (int) m_rotateable;
1591   clause->GetAttributeValue(rotateableStr, iVal);
1592   m_rotateable = (iVal != 0);
1593
1594   // Read GDI objects
1595   wxChar buf[50];
1596   int i = 1;
1597   bool keepGoing = true;
1598   while (keepGoing)
1599   {
1600     wxSprintf(buf, _T("gdi%d_%d"), whichAngle, i);
1601     wxExpr *expr = NULL;
1602     clause->GetAttributeValue(buf, &expr);
1603     if (!expr)
1604     {
1605       keepGoing = false;
1606     }
1607     else
1608     {
1609       wxExpr *idExpr = expr->Nth(0);
1610       switch (idExpr->IntegerValue())
1611       {
1612         case gyTYPE_PEN:
1613         {
1614           int penWidth = (int)expr->Nth(1)->IntegerValue();
1615           int penStyle = (int)expr->Nth(2)->IntegerValue();
1616           unsigned char penRed = (unsigned char)expr->Nth(3)->IntegerValue();
1617           unsigned char penGreen = (unsigned char)expr->Nth(4)->IntegerValue();
1618           unsigned char penBlue = (unsigned char)expr->Nth(5)->IntegerValue();
1619           wxColour col(penRed, penGreen, penBlue);
1620           wxPen *p = wxThePenList->FindOrCreatePen(col, penWidth, penStyle);
1621           if (!p)
1622             p = wxBLACK_PEN;
1623           m_gdiObjects.Append(p);
1624           break;
1625         }
1626         case gyTYPE_BRUSH:
1627         {
1628           int brushStyle = (int)expr->Nth(1)->IntegerValue();
1629           unsigned char brushRed = (unsigned char)expr->Nth(2)->IntegerValue();
1630           unsigned char brushGreen = (unsigned char)expr->Nth(3)->IntegerValue();
1631           unsigned char brushBlue = (unsigned char)expr->Nth(4)->IntegerValue();
1632           wxColour col(brushRed, brushGreen, brushBlue);
1633           wxBrush *b = wxTheBrushList->FindOrCreateBrush(col, brushStyle);
1634           if (!b)
1635             b = wxWHITE_BRUSH;
1636           m_gdiObjects.Append(b);
1637           break;
1638         }
1639         case gyTYPE_FONT:
1640         {
1641           int fontPointSize = (int)expr->Nth(1)->IntegerValue();
1642           int fontFamily = (int)expr->Nth(2)->IntegerValue();
1643           int fontStyle = (int)expr->Nth(3)->IntegerValue();
1644           int fontWeight = (int)expr->Nth(4)->IntegerValue();
1645           int fontUnderlined = (int)expr->Nth(5)->IntegerValue();
1646           m_gdiObjects.Append(wxTheFontList->FindOrCreateFont(fontPointSize,
1647                            fontFamily, fontStyle, fontWeight, (fontUnderlined != 0)));
1648           break;
1649         }
1650         default:
1651         {
1652           // Place holder
1653           m_gdiObjects.Append(NULL);
1654           break;
1655         }
1656       }
1657       i ++;
1658     }
1659   }
1660
1661   // Now read in the operations
1662   keepGoing = true;
1663   i = 1;
1664   while (keepGoing)
1665   {
1666     wxSprintf(buf, _T("op%d_%d"), whichAngle, i);
1667     wxExpr *expr = NULL;
1668     clause->GetAttributeValue(buf, &expr);
1669     if (!expr)
1670     {
1671       keepGoing = false;
1672     }
1673     else
1674     {
1675       wxExpr *idExpr = expr->Nth(0);
1676       int opId = (int)idExpr->IntegerValue();
1677       switch (opId)
1678       {
1679         case DRAWOP_SET_PEN:
1680         case DRAWOP_SET_BRUSH:
1681         case DRAWOP_SET_FONT:
1682         case DRAWOP_SET_TEXT_COLOUR:
1683         case DRAWOP_SET_BK_COLOUR:
1684         case DRAWOP_SET_BK_MODE:
1685         {
1686           wxOpSetGDI *theOp = new wxOpSetGDI(opId, this, 0);
1687           theOp->ReadExpr(this, expr);
1688           m_ops.Append(theOp);
1689           break;
1690         }
1691
1692         case DRAWOP_SET_CLIPPING_RECT:
1693         case DRAWOP_DESTROY_CLIPPING_RECT:
1694         {
1695           wxOpSetClipping *theOp = new wxOpSetClipping(opId, 0.0, 0.0, 0.0, 0.0);
1696           theOp->ReadExpr(this, expr);
1697           m_ops.Append(theOp);
1698           break;
1699         }
1700
1701         case DRAWOP_DRAW_LINE:
1702         case DRAWOP_DRAW_RECT:
1703         case DRAWOP_DRAW_ROUNDED_RECT:
1704         case DRAWOP_DRAW_ELLIPSE:
1705         case DRAWOP_DRAW_POINT:
1706         case DRAWOP_DRAW_ARC:
1707         case DRAWOP_DRAW_TEXT:
1708         {
1709           wxOpDraw *theOp = new wxOpDraw(opId, 0.0, 0.0, 0.0, 0.0);
1710           theOp->ReadExpr(this, expr);
1711           m_ops.Append(theOp);
1712           break;
1713         }
1714         case DRAWOP_DRAW_SPLINE:
1715         case DRAWOP_DRAW_POLYLINE:
1716         case DRAWOP_DRAW_POLYGON:
1717         {
1718           wxOpPolyDraw *theOp = new wxOpPolyDraw(opId, 0, NULL);
1719           theOp->ReadExpr(this, expr);
1720           m_ops.Append(theOp);
1721           break;
1722         }
1723         default:
1724           break;
1725       }
1726     }
1727     i ++;
1728   }
1729
1730   wxString outlineObjectsStr;
1731   outlineObjectsStr.Printf(wxT("outline_objects%d"), whichAngle);
1732
1733   // Now read in the list of outline and fill operations, if any
1734   wxExpr *expr1 = clause->AttributeValue(outlineObjectsStr);
1735   if (expr1)
1736   {
1737     wxExpr *eachExpr = expr1->GetFirst();
1738     while (eachExpr)
1739     {
1740       m_outlineColours.Append((wxObject *)eachExpr->IntegerValue());
1741       eachExpr = eachExpr->GetNext();
1742     }
1743   }
1744
1745   wxString fillObjectsStr;
1746   fillObjectsStr.Printf(wxT("fill_objects%d"), whichAngle);
1747
1748   expr1 = clause->AttributeValue(fillObjectsStr);
1749   if (expr1)
1750   {
1751     wxExpr *eachExpr = expr1->GetFirst();
1752     while (eachExpr)
1753     {
1754       m_fillColours.Append((wxObject *)eachExpr->IntegerValue());
1755       eachExpr = eachExpr->GetNext();
1756     }
1757   }
1758 }
1759 #endif
1760
1761 // Does the copying for this object
1762 void wxPseudoMetaFile::Copy(wxPseudoMetaFile& copy)
1763 {
1764   copy.Clear();
1765
1766   copy.m_currentRotation = m_currentRotation;
1767   copy.m_width = m_width;
1768   copy.m_height = m_height;
1769   copy.m_rotateable = m_rotateable;
1770   copy.m_fillBrush = m_fillBrush;
1771   copy.m_outlinePen = m_outlinePen;
1772   copy.m_outlineOp = m_outlineOp;
1773
1774   // Copy the GDI objects
1775   wxNode *node = m_gdiObjects.GetFirst();
1776   while (node)
1777   {
1778     wxObject *obj = (wxObject *)node->GetData();
1779     copy.m_gdiObjects.Append(obj);
1780     node = node->GetNext();
1781   }
1782
1783   // Copy the operations
1784   node = m_ops.GetFirst();
1785   while (node)
1786   {
1787     wxDrawOp *op = (wxDrawOp *)node->GetData();
1788     copy.m_ops.Append(op->Copy(&copy));
1789     node = node->GetNext();
1790   }
1791
1792   // Copy the outline/fill operations
1793   node = m_outlineColours.GetFirst();
1794   while (node)
1795   {
1796     copy.m_outlineColours.Append((wxObject *)node->GetData());
1797     node = node->GetNext();
1798   }
1799   node = m_fillColours.GetFirst();
1800   while (node)
1801   {
1802     copy.m_fillColours.Append((wxObject *)node->GetData());
1803     node = node->GetNext();
1804   }
1805 }
1806
1807 /*
1808  * Pass size of existing image; scale height to
1809  * fit width and return new width and height.
1810  *
1811  */
1812
1813 bool wxPseudoMetaFile::LoadFromMetaFile(const wxString& filename, double *rwidth, double *rheight)
1814 {
1815   if (!wxFileExists(filename))
1816     return false;
1817
1818   wxXMetaFile *metaFile = new wxXMetaFile;
1819
1820   if (!metaFile->ReadFile(filename))
1821   {
1822     delete metaFile;
1823     return false;
1824   }
1825
1826   double lastX = 0.0;
1827   double lastY = 0.0;
1828
1829   // Convert from metafile records to wxDrawnShape records
1830   wxNode *node = metaFile->metaRecords.GetFirst();
1831   while (node)
1832   {
1833     wxMetaRecord *record = (wxMetaRecord *)node->GetData();
1834     switch (record->metaFunction)
1835     {
1836       case META_SETBKCOLOR:
1837       {
1838         wxOpSetGDI *op = new wxOpSetGDI(DRAWOP_SET_BK_COLOUR, this, 0);
1839         op->m_r = (unsigned char)record->param1;
1840         op->m_g = (unsigned char)record->param2;
1841         op->m_b = (unsigned char)record->param3;
1842         m_ops.Append(op);
1843         break;
1844       }
1845       case META_SETBKMODE:
1846       {
1847         wxOpSetGDI *op = new wxOpSetGDI(DRAWOP_SET_BK_MODE, this, 0, (int)record->param1);
1848         m_ops.Append(op);
1849         break;
1850       }
1851       case META_SETMAPMODE:
1852       {
1853         break;
1854       }
1855 //      case META_SETROP2:
1856 //      case META_SETRELABS:
1857 //      case META_SETPOLYFILLMODE:
1858 //      case META_SETSTRETCHBLTMODE:
1859 //      case META_SETTEXTCHAREXTRA:
1860       case META_SETTEXTCOLOR:
1861       {
1862         wxOpSetGDI *op = new wxOpSetGDI(DRAWOP_SET_TEXT_COLOUR, this, 0);
1863         op->m_r = (unsigned char)record->param1;
1864         op->m_g = (unsigned char)record->param2;
1865         op->m_b = (unsigned char)record->param3;
1866         m_ops.Append(op);
1867         break;
1868       }
1869 //      case META_SETTEXTJUSTIFICATION:
1870 //      case META_SETWINDOWORG:
1871 //      case META_SETWINDOWEXT:
1872 //      case META_SETVIEWPORTORG:
1873 //      case META_SETVIEWPORTEXT:
1874 //      case META_OFFSETWINDOWORG:
1875 //      case META_SCALEWINDOWEXT:
1876 //      case META_OFFSETVIEWPORTORG:
1877 //      case META_SCALEVIEWPORTEXT:
1878       case META_LINETO:
1879       {
1880         wxOpDraw *op = new wxOpDraw(DRAWOP_DRAW_LINE, (double)lastX, (double)lastY,
1881                                (double)record->param1, (double)record->param2);
1882         m_ops.Append(op);
1883         break;
1884       }
1885       case META_MOVETO:
1886       {
1887         lastX = (double)record->param1;
1888         lastY = (double)record->param2;
1889         break;
1890       }
1891       case META_EXCLUDECLIPRECT:
1892       {
1893 /*
1894         wxMetaRecord *rec = new wxMetaRecord(META_EXCLUDECLIPRECT);
1895         rec->param4 = getshort(handle); // m_y2
1896         rec->param3 = getshort(handle); // x2
1897         rec->param2 = getshort(handle); // y1
1898         rec->param1 = getshort(handle); // x1
1899 */
1900         break;
1901       }
1902       case META_INTERSECTCLIPRECT:
1903       {
1904 /*
1905         rec->param4 = getshort(handle); // m_y2
1906         rec->param3 = getshort(handle); // x2
1907         rec->param2 = getshort(handle); // y1
1908         rec->param1 = getshort(handle); // x1
1909 */
1910         break;
1911       }
1912 //      case META_ARC: // DO!!!
1913       case META_ELLIPSE:
1914       {
1915         wxOpDraw *op = new wxOpDraw(DRAWOP_DRAW_ELLIPSE,
1916                                (double)record->param1, (double)record->param2,
1917                                (double)(record->param3 - record->param1),
1918                                (double)(record->param4 - record->param2));
1919         m_ops.Append(op);
1920         break;
1921       }
1922 //      case META_FLOODFILL:
1923 //      case META_PIE: // DO!!!
1924       case META_RECTANGLE:
1925       {
1926         wxOpDraw *op = new wxOpDraw(DRAWOP_DRAW_RECT,
1927                                (double)record->param1, (double)record->param2,
1928                                (double)(record->param3 - record->param1),
1929                                (double)(record->param4 - record->param2));
1930         m_ops.Append(op);
1931         break;
1932       }
1933       case META_ROUNDRECT:
1934       {
1935         wxOpDraw *op = new wxOpDraw(DRAWOP_DRAW_ROUNDED_RECT,
1936               (double)record->param1, (double)record->param2,
1937               (double)(record->param3 - record->param1),
1938               (double)(record->param4 - record->param2), (double)record->param5);
1939         m_ops.Append(op);
1940         break;
1941       }
1942 //      case META_PATBLT:
1943 //      case META_SAVEDC:
1944       case META_SETPIXEL:
1945       {
1946         wxOpDraw *op = new wxOpDraw(DRAWOP_DRAW_POINT,
1947               (double)record->param1, (double)record->param2,
1948               0.0, 0.0);
1949
1950 //        SHOULD SET THE COLOUR - SET PEN?
1951 //        rec->param3 = getint(handle);   // COLORREF
1952         m_ops.Append(op);
1953         break;
1954       }
1955 //      case META_OFFSETCLIPRGN:
1956       case META_TEXTOUT:
1957       {
1958         wxOpDraw *op = new wxOpDraw(DRAWOP_DRAW_TEXT,
1959               (double)record->param1, (double)record->param2,
1960               0.0, 0.0, 0.0, record->stringParam);
1961         m_ops.Append(op);
1962         break;
1963       }
1964 //      case META_BITBLT:
1965 //      case META_STRETCHBLT:
1966       case META_POLYGON:
1967       {
1968         int n = (int)record->param1;
1969         wxRealPoint *newPoints = new wxRealPoint[n];
1970         for (int i = 0; i < n; i++)
1971         {
1972           newPoints[i].x = record->points[i].x;
1973           newPoints[i].y = record->points[i].y;
1974         }
1975
1976         wxOpPolyDraw *op = new wxOpPolyDraw(DRAWOP_DRAW_POLYGON, n, newPoints);
1977         m_ops.Append(op);
1978         break;
1979       }
1980       case META_POLYLINE:
1981       {
1982         int n = (int)record->param1;
1983         wxRealPoint *newPoints = new wxRealPoint[n];
1984         for (int i = 0; i < n; i++)
1985         {
1986           newPoints[i].x = record->points[i].x;
1987           newPoints[i].y = record->points[i].y;
1988         }
1989
1990         wxOpPolyDraw *op = new wxOpPolyDraw(DRAWOP_DRAW_POLYLINE, n, newPoints);
1991         m_ops.Append(op);
1992         break;
1993       }
1994 //      case META_ESCAPE:
1995 //      case META_RESTOREDC:
1996 //      case META_FILLREGION:
1997 //      case META_FRAMEREGION:
1998 //      case META_INVERTREGION:
1999 //      case META_PAINTREGION:
2000 //      case META_SELECTCLIPREGION: // DO THIS!
2001       case META_SELECTOBJECT:
2002       {
2003         // The pen, brush etc. has already been created when the metafile
2004         // was read in, so we don't create it - we set it.
2005         wxNode *recNode = metaFile->gdiObjects.Item((int)record->param2);
2006         if (recNode)
2007         {
2008           wxMetaRecord *gdiRec = (wxMetaRecord *)recNode->GetData();
2009           if (gdiRec && (gdiRec->param1 != 0))
2010           {
2011             wxObject *obj = (wxObject *)gdiRec->param1;
2012             if (obj->IsKindOf(CLASSINFO(wxPen)))
2013             {
2014               wxOpSetGDI *op = new wxOpSetGDI(DRAWOP_SET_PEN, this, (int)record->param2);
2015               m_ops.Append(op);
2016             }
2017             else if (obj->IsKindOf(CLASSINFO(wxBrush)))
2018             {
2019               wxOpSetGDI *op = new wxOpSetGDI(DRAWOP_SET_BRUSH, this, (int)record->param2);
2020               m_ops.Append(op);
2021             }
2022             else if (obj->IsKindOf(CLASSINFO(wxFont)))
2023             {
2024               wxOpSetGDI *op = new wxOpSetGDI(DRAWOP_SET_FONT, this, (int)record->param2);
2025               m_ops.Append(op);
2026             }
2027           }
2028         }
2029         break;
2030       }
2031 //      case META_SETTEXTALIGN:
2032 //      case META_DRAWTEXT:
2033 //      case META_CHORD:
2034 //      case META_SETMAPPERFLAGS:
2035 //      case META_EXTTEXTOUT:
2036 //      case META_SETDIBTODEV:
2037 //      case META_SELECTPALETTE:
2038 //      case META_REALIZEPALETTE:
2039 //      case META_ANIMATEPALETTE:
2040 //      case META_SETPALENTRIES:
2041 //      case META_POLYPOLYGON:
2042 //      case META_RESIZEPALETTE:
2043 //      case META_DIBBITBLT:
2044 //      case META_DIBSTRETCHBLT:
2045       case META_DIBCREATEPATTERNBRUSH:
2046       {
2047         // Place holder
2048         m_gdiObjects.Append(NULL);
2049         break;
2050       }
2051 //      case META_STRETCHDIB:
2052 //      case META_EXTFLOODFILL:
2053 //      case META_RESETDC:
2054 //      case META_STARTDOC:
2055 //      case META_STARTPAGE:
2056 //      case META_ENDPAGE:
2057 //      case META_ABORTDOC:
2058 //      case META_ENDDOC:
2059 //      case META_DELETEOBJECT: // DO!!
2060       case META_CREATEPALETTE:
2061       {
2062         // Place holder
2063         m_gdiObjects.Append(NULL);
2064         break;
2065       }
2066       case META_CREATEBRUSH:
2067       {
2068         // Place holder
2069         m_gdiObjects.Append(NULL);
2070         break;
2071       }
2072       case META_CREATEPATTERNBRUSH:
2073       {
2074         // Place holder
2075         m_gdiObjects.Append(NULL);
2076         break;
2077       }
2078       case META_CREATEPENINDIRECT:
2079       {
2080         // The pen is created when the metafile is read in.
2081         // We keep track of all the GDI objects needed for this
2082         // image so when reading the wxDrawnShape from file,
2083         // we can read in all the GDI objects, then refer
2084         // to them by an index starting from zero thereafter.
2085         m_gdiObjects.Append((wxObject *)record->param1);
2086         break;
2087       }
2088       case META_CREATEFONTINDIRECT:
2089       {
2090         m_gdiObjects.Append((wxObject *)record->param1);
2091         break;
2092       }
2093       case META_CREATEBRUSHINDIRECT:
2094       {
2095         // Don't have to do anything here: the pen is created
2096         // when the metafile is read in.
2097         m_gdiObjects.Append((wxObject *)record->param1);
2098         break;
2099       }
2100       case META_CREATEBITMAPINDIRECT:
2101       {
2102         // Place holder
2103         m_gdiObjects.Append(NULL);
2104         break;
2105       }
2106       case META_CREATEBITMAP:
2107       {
2108         // Place holder
2109         m_gdiObjects.Append(NULL);
2110         break;
2111       }
2112       case META_CREATEREGION:
2113       {
2114         // Place holder
2115         m_gdiObjects.Append(NULL);
2116         break;
2117       }
2118       default:
2119       {
2120         break;
2121       }
2122     }
2123     node = node->GetNext();
2124   }
2125   double actualWidth = (double)fabs(metaFile->right - metaFile->left);
2126   double actualHeight = (double)fabs(metaFile->bottom - metaFile->top);
2127
2128   double initialScaleX = 1.0;
2129   double initialScaleY = 1.0;
2130
2131   double xoffset, yoffset;
2132
2133   // Translate so origin is at centre of rectangle
2134   if (metaFile->bottom > metaFile->top)
2135     yoffset = - (double)((metaFile->bottom - metaFile->top)/2.0);
2136   else
2137     yoffset = - (double)((metaFile->top - metaFile->bottom)/2.0);
2138
2139   if (metaFile->right > metaFile->left)
2140     xoffset = - (double)((metaFile->right - metaFile->left)/2.0);
2141   else
2142     xoffset = - (double)((metaFile->left - metaFile->right)/2.0);
2143
2144   Translate(xoffset, yoffset);
2145
2146   // Scale to a reasonable size (take the width of this wxDrawnShape
2147   // as a guide)
2148   if (actualWidth != 0.0)
2149   {
2150     initialScaleX = (double)((*rwidth) / actualWidth);
2151     initialScaleY = initialScaleX;
2152     (*rheight) = initialScaleY*actualHeight;
2153   }
2154   Scale(initialScaleX, initialScaleY);
2155
2156   m_width = (actualWidth*initialScaleX);
2157   m_height = *rheight;
2158
2159   delete metaFile;
2160   return true;
2161 }
2162
2163 // Scale to fit size
2164 void wxPseudoMetaFile::ScaleTo(double w, double h)
2165 {
2166   double scaleX = (double)(w/m_width);
2167   double scaleY = (double)(h/m_height);
2168
2169   // Do the scaling
2170   Scale(scaleX, scaleY);
2171 }
2172
2173 void wxPseudoMetaFile::GetBounds(double *boundMinX, double *boundMinY, double *boundMaxX, double *boundMaxY)
2174 {
2175   double maxX = (double) -99999.9;
2176   double maxY = (double) -99999.9;
2177   double minX = (double) 99999.9;
2178   double minY = (double) 99999.9;
2179
2180   wxNode *node = m_ops.GetFirst();
2181   while (node)
2182   {
2183     wxDrawOp *op = (wxDrawOp *)node->GetData();
2184     switch (op->GetOp())
2185     {
2186       case DRAWOP_DRAW_LINE:
2187       case DRAWOP_DRAW_RECT:
2188       case DRAWOP_DRAW_ROUNDED_RECT:
2189       case DRAWOP_DRAW_ELLIPSE:
2190       case DRAWOP_DRAW_ELLIPTIC_ARC:
2191       case DRAWOP_DRAW_POINT:
2192       case DRAWOP_DRAW_TEXT:
2193       {
2194         wxOpDraw *opDraw = (wxOpDraw *)op;
2195         if (opDraw->m_x1 < minX) minX = opDraw->m_x1;
2196         if (opDraw->m_x1 > maxX) maxX = opDraw->m_x1;
2197         if (opDraw->m_y1 < minY) minY = opDraw->m_y1;
2198         if (opDraw->m_y1 > maxY) maxY = opDraw->m_y1;
2199         if (op->GetOp() == DRAWOP_DRAW_LINE)
2200         {
2201           if (opDraw->m_x2 < minX) minX = opDraw->m_x2;
2202           if (opDraw->m_x2 > maxX) maxX = opDraw->m_x2;
2203           if (opDraw->m_y2 < minY) minY = opDraw->m_y2;
2204           if (opDraw->m_y2 > maxY) maxY = opDraw->m_y2;
2205         }
2206         else if (op->GetOp() == DRAWOP_DRAW_RECT ||
2207                  op->GetOp() == DRAWOP_DRAW_ROUNDED_RECT ||
2208                  op->GetOp() == DRAWOP_DRAW_ELLIPSE ||
2209                  op->GetOp() == DRAWOP_DRAW_ELLIPTIC_ARC)
2210         {
2211           if ((opDraw->m_x1 + opDraw->m_x2) < minX) minX = (opDraw->m_x1 + opDraw->m_x2);
2212           if ((opDraw->m_x1 + opDraw->m_x2) > maxX) maxX = (opDraw->m_x1 + opDraw->m_x2);
2213           if ((opDraw->m_y1 + opDraw->m_y2) < minY) minY = (opDraw->m_y1 + opDraw->m_y2);
2214           if ((opDraw->m_y1 + opDraw->m_y2) > maxY) maxY = (opDraw->m_y1 + opDraw->m_y2);
2215         }
2216         break;
2217       }
2218       case DRAWOP_DRAW_ARC:
2219       {
2220         // TODO: don't yet know how to calculate the bounding box
2221         // for an arc. So pretend it's a line; to get a correct
2222         // bounding box, draw a blank rectangle first, of the correct
2223         // size.
2224         wxOpDraw *opDraw = (wxOpDraw *)op;
2225         if (opDraw->m_x1 < minX) minX = opDraw->m_x1;
2226         if (opDraw->m_x1 > maxX) maxX = opDraw->m_x1;
2227         if (opDraw->m_y1 < minY) minY = opDraw->m_y1;
2228         if (opDraw->m_y1 > maxY) maxY = opDraw->m_y1;
2229         if (opDraw->m_x2 < minX) minX = opDraw->m_x2;
2230         if (opDraw->m_x2 > maxX) maxX = opDraw->m_x2;
2231         if (opDraw->m_y2 < minY) minY = opDraw->m_y2;
2232         if (opDraw->m_y2 > maxY) maxY = opDraw->m_y2;
2233         break;
2234       }
2235       case DRAWOP_DRAW_POLYLINE:
2236       case DRAWOP_DRAW_POLYGON:
2237       case DRAWOP_DRAW_SPLINE:
2238       {
2239         wxOpPolyDraw *poly = (wxOpPolyDraw *)op;
2240         for (int i = 0; i < poly->m_noPoints; i++)
2241         {
2242           if (poly->m_points[i].x < minX) minX = poly->m_points[i].x;
2243           if (poly->m_points[i].x > maxX) maxX = poly->m_points[i].x;
2244           if (poly->m_points[i].y < minY) minY = poly->m_points[i].y;
2245           if (poly->m_points[i].y > maxY) maxY = poly->m_points[i].y;
2246         }
2247         break;
2248       }
2249       default:
2250         break;
2251     }
2252     node = node->GetNext();
2253   }
2254
2255   *boundMinX = minX;
2256   *boundMinY = minY;
2257   *boundMaxX = maxX;
2258   *boundMaxY = maxY;
2259 /*
2260   *w = (double)fabs(maxX - minX);
2261   *h = (double)fabs(maxY - minY);
2262 */
2263 }
2264
2265 // Calculate size from current operations
2266 void wxPseudoMetaFile::CalculateSize(wxDrawnShape* shape)
2267 {
2268   double boundMinX, boundMinY, boundMaxX, boundMaxY;
2269
2270   GetBounds(& boundMinX, & boundMinY, & boundMaxX, & boundMaxY);
2271
2272   SetSize(boundMaxX - boundMinX, boundMaxY - boundMinY);
2273
2274   if (shape)
2275   {
2276     shape->SetWidth(m_width);
2277     shape->SetHeight(m_height);
2278   }
2279 }
2280
2281 // Set of functions for drawing into a pseudo metafile.
2282 // They use integers, but doubles are used internally for accuracy
2283 // when scaling.
2284
2285 void wxPseudoMetaFile::DrawLine(const wxPoint& pt1, const wxPoint& pt2)
2286 {
2287     wxOpDraw *theOp = new wxOpDraw(DRAWOP_DRAW_LINE,
2288           (double) pt1.x, (double) pt1.y, (double) pt2.x, (double) pt2.y);
2289
2290     m_ops.Append(theOp);
2291 }
2292
2293 void wxPseudoMetaFile::DrawRectangle(const wxRect& rect)
2294 {
2295     wxOpDraw *theOp = new wxOpDraw(DRAWOP_DRAW_RECT,
2296           (double) rect.x, (double) rect.y, (double) rect.width, (double) rect.height);
2297
2298     m_ops.Append(theOp);
2299 }
2300
2301 void wxPseudoMetaFile::DrawRoundedRectangle(const wxRect& rect, double radius)
2302 {
2303     wxOpDraw *theOp = new wxOpDraw(DRAWOP_DRAW_ROUNDED_RECT,
2304           (double) rect.x, (double) rect.y, (double) rect.width, (double) rect.height);
2305
2306     theOp->m_radius = radius;
2307
2308     m_ops.Append(theOp);
2309 }
2310
2311 void wxPseudoMetaFile::DrawEllipse(const wxRect& rect)
2312 {
2313     wxOpDraw *theOp = new wxOpDraw(DRAWOP_DRAW_ELLIPSE,
2314           (double) rect.x, (double) rect.y, (double) rect.width, (double) rect.height);
2315
2316     m_ops.Append(theOp);
2317 }
2318
2319 void wxPseudoMetaFile::DrawArc(const wxPoint& centrePt, const wxPoint& startPt, const wxPoint& endPt)
2320 {
2321     wxOpDraw *theOp = new wxOpDraw(DRAWOP_DRAW_ARC,
2322           (double) centrePt.x, (double) centrePt.y, (double) startPt.x, (double) startPt.y);
2323
2324     theOp->m_x3 = (double) endPt.x;
2325     theOp->m_y3 = (double) endPt.y;
2326
2327     m_ops.Append(theOp);
2328 }
2329
2330 void wxPseudoMetaFile::DrawEllipticArc(const wxRect& rect, double startAngle, double endAngle)
2331 {
2332     const double pi = M_PI ;
2333
2334     double startAngleRadians = startAngle* (pi*2.0/360.0);
2335     double endAngleRadians = endAngle* (pi*2.0/360.0);
2336
2337     wxOpDraw *theOp = new wxOpDraw(DRAWOP_DRAW_ELLIPTIC_ARC,
2338           (double) rect.x, (double) rect.y, (double) rect.width, (double) rect.height);
2339
2340     theOp->m_x3 = startAngleRadians;
2341     theOp->m_y3 = endAngleRadians;
2342
2343     m_ops.Append(theOp);
2344 }
2345
2346 void wxPseudoMetaFile::DrawPoint(const wxPoint& pt)
2347 {
2348     wxOpDraw *theOp = new wxOpDraw(DRAWOP_DRAW_POINT,
2349           (double) pt.x, (double) pt.y, 0.0, 0.0);
2350
2351     m_ops.Append(theOp);
2352 }
2353
2354 void wxPseudoMetaFile::DrawText(const wxString& text, const wxPoint& pt)
2355 {
2356     wxOpDraw *theOp = new wxOpDraw(DRAWOP_DRAW_TEXT,
2357           (double) pt.x, (double) pt.y, 0.0, 0.0);
2358
2359     theOp->m_textString = text;
2360
2361     m_ops.Append(theOp);
2362 }
2363
2364 void wxPseudoMetaFile::DrawLines(int n, wxPoint pts[])
2365 {
2366     wxRealPoint* realPoints = new wxRealPoint[n];
2367     int i;
2368     for (i = 0; i < n; i++)
2369     {
2370         realPoints[i].x = pts[i].x;
2371         realPoints[i].y = pts[i].y;
2372     }
2373     wxOpPolyDraw* theOp = new wxOpPolyDraw(DRAWOP_DRAW_POLYLINE, n, realPoints);
2374     m_ops.Append(theOp);
2375 }
2376
2377 void wxPseudoMetaFile::DrawPolygon(int n, wxPoint pts[], int flags)
2378 {
2379     wxRealPoint* realPoints = new wxRealPoint[n];
2380     int i;
2381     for (i = 0; i < n; i++)
2382     {
2383         realPoints[i].x = pts[i].x;
2384         realPoints[i].y = pts[i].y;
2385     }
2386     wxOpPolyDraw* theOp = new wxOpPolyDraw(DRAWOP_DRAW_POLYGON, n, realPoints);
2387     m_ops.Append(theOp);
2388
2389     if (flags & oglMETAFLAGS_OUTLINE)
2390         m_outlineOp = (m_ops.GetCount() - 1);
2391 }
2392
2393 void wxPseudoMetaFile::DrawSpline(int n, wxPoint pts[])
2394 {
2395     wxRealPoint* realPoints = new wxRealPoint[n];
2396     int i;
2397     for (i = 0; i < n; i++)
2398     {
2399         realPoints[i].x = pts[i].x;
2400         realPoints[i].y = pts[i].y;
2401     }
2402     wxOpPolyDraw* theOp = new wxOpPolyDraw(DRAWOP_DRAW_SPLINE, n, realPoints);
2403     m_ops.Append(theOp);
2404 }
2405
2406 void wxPseudoMetaFile::SetClippingRect(const wxRect& rect)
2407 {
2408     /* wxOpSetClipping* theOp = */ new wxOpSetClipping(DRAWOP_SET_CLIPPING_RECT,
2409         (double) rect.x, (double) rect.y, (double) rect.width, (double) rect.height);
2410 }
2411
2412 void wxPseudoMetaFile::DestroyClippingRect()
2413 {
2414     wxOpSetClipping* theOp = new wxOpSetClipping(DRAWOP_DESTROY_CLIPPING_RECT,
2415         0.0, 0.0, 0.0, 0.0);
2416
2417     m_ops.Append(theOp);
2418 }
2419
2420 void wxPseudoMetaFile::SetPen(wxPen* pen, bool isOutline)
2421 {
2422     m_gdiObjects.Append(pen);
2423     int n = m_gdiObjects.GetCount();
2424
2425     wxOpSetGDI* theOp = new wxOpSetGDI(DRAWOP_SET_PEN, this, n - 1);
2426
2427     m_ops.Append(theOp);
2428
2429     if (isOutline)
2430     {
2431         m_outlineColours.Append((wxObject*) (n - 1));
2432     }
2433 }
2434
2435 void wxPseudoMetaFile::SetBrush(wxBrush* brush, bool isFill)
2436 {
2437     m_gdiObjects.Append(brush);
2438     int n = m_gdiObjects.GetCount();
2439
2440     wxOpSetGDI* theOp = new wxOpSetGDI(DRAWOP_SET_BRUSH, this, n - 1);
2441
2442     m_ops.Append(theOp);
2443
2444     if (isFill)
2445     {
2446         m_fillColours.Append((wxObject*) (n - 1));
2447     }
2448 }
2449
2450 void wxPseudoMetaFile::SetFont(wxFont* font)
2451 {
2452     m_gdiObjects.Append(font);
2453     int n = m_gdiObjects.GetCount();
2454
2455     wxOpSetGDI* theOp = new wxOpSetGDI(DRAWOP_SET_FONT, this, n - 1);
2456
2457     m_ops.Append(theOp);
2458 }
2459
2460 void wxPseudoMetaFile::SetTextColour(const wxColour& colour)
2461 {
2462    wxOpSetGDI* theOp = new wxOpSetGDI(DRAWOP_SET_TEXT_COLOUR, this, 0);
2463    theOp->m_r = colour.Red();
2464    theOp->m_g = colour.Green();
2465    theOp->m_b = colour.Blue();
2466
2467    m_ops.Append(theOp);
2468 }
2469
2470 void wxPseudoMetaFile::SetBackgroundColour(const wxColour& colour)
2471 {
2472    wxOpSetGDI* theOp = new wxOpSetGDI(DRAWOP_SET_BK_COLOUR, this, 0);
2473    theOp->m_r = colour.Red();
2474    theOp->m_g = colour.Green();
2475    theOp->m_b = colour.Blue();
2476
2477    m_ops.Append(theOp);
2478 }
2479
2480 void wxPseudoMetaFile::SetBackgroundMode(int mode)
2481 {
2482    wxOpSetGDI* theOp = new wxOpSetGDI(DRAWOP_SET_BK_MODE, this, 0, mode);
2483
2484    m_ops.Append(theOp);
2485 }
2486