src/palmos/dc.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/palmos/dc.cpp
   3 // Purpose:     wxDC class
   4 // Author:      William Osborne - minimal working wxPalmOS port
   5 // Modified by:
   6 // Created:     10/13/04
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) William Osborne
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // ===========================================================================
  13 // declarations
  14 // ===========================================================================
  15
  16 // ---------------------------------------------------------------------------
  17 // headers
  18 // ---------------------------------------------------------------------------
  19
  20 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
  21     #pragma implementation "dc.h"
  22 #endif
  23
  24 // For compilers that support precompilation, includes "wx.h".
  25 #include "wx/wxprec.h"
  26
  27 #ifdef __BORLANDC__
  28     #pragma hdrstop
  29 #endif
  30
  31 #ifndef WX_PRECOMP
  32     #include "wx/window.h"
  33     #include "wx/dc.h"
  34     #include "wx/utils.h"
  35     #include "wx/dialog.h"
  36     #include "wx/app.h"
  37     #include "wx/bitmap.h"
  38     #include "wx/dcmemory.h"
  39     #include "wx/log.h"
  40     #include "wx/icon.h"
  41 #endif
  42
  43 #include "wx/sysopt.h"
  44 #include "wx/dcprint.h"
  45 #include "wx/module.h"
  46 #include "wx/dynload.h"
  47
  48 #ifdef wxHAVE_RAW_BITMAP
  49 #include "wx/rawbmp.h"
  50 #endif
  51
  52 #include <string.h>
  53
  54 #ifndef AC_SRC_ALPHA
  55 #define AC_SRC_ALPHA 1
  56 #endif
  57
  58 /* Quaternary raster codes */
  59 #ifndef MAKEROP4
  60 #define MAKEROP4(fore,back) (DWORD)((((back) << 8) & 0xFF000000) | (fore))
  61 #endif
  62
  63 IMPLEMENT_ABSTRACT_CLASS(wxDC, wxDCBase)
  64
  65 // ---------------------------------------------------------------------------
  66 // constants
  67 // ---------------------------------------------------------------------------
  68
  69 static const int VIEWPORT_EXTENT = 1000;
  70
  71 static const int MM_POINTS = 9;
  72 static const int MM_METRIC = 10;
  73
  74 #define DSTCOPY 0x00AA0029
  75
  76 // ---------------------------------------------------------------------------
  77 // private functions
  78 // ---------------------------------------------------------------------------
  79
  80 // ----------------------------------------------------------------------------
  81 // private classes
  82 // ----------------------------------------------------------------------------
  83
  84 // ===========================================================================
  85 // implementation
  86 // ===========================================================================
  87
  88 // ---------------------------------------------------------------------------
  89 // wxDC
  90 // ---------------------------------------------------------------------------
  91
  92 // Default constructor
  93 wxDC::wxDC()
  94 {
  95 }
  96
  97 wxDC::~wxDC()
  98 {
  99 }
 100
 101 // This will select current objects out of the DC,
 102 // which is what you have to do before deleting the
 103 // DC.
 104 void wxDC::SelectOldObjects(WXHDC dc)
 105 {
 106 }
 107
 108 // ---------------------------------------------------------------------------
 109 // clipping
 110 // ---------------------------------------------------------------------------
 111
 112 void wxDC::UpdateClipBox()
 113 {
 114 }
 115
 116 void
 117 wxDC::DoGetClippingBox(wxCoord *x, wxCoord *y, wxCoord *w, wxCoord *h) const
 118 {
 119 }
 120
 121 // common part of DoSetClippingRegion() and DoSetClippingRegionAsRegion()
 122 void wxDC::SetClippingHrgn(WXHRGN hrgn)
 123 {
 124 }
 125
 126 void wxDC::DoSetClippingRegion(wxCoord x, wxCoord y, wxCoord w, wxCoord h)
 127 {
 128 }
 129
 130 void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region)
 131 {
 132 }
 133
 134 void wxDC::DestroyClippingRegion()
 135 {
 136 }
 137
 138 // ---------------------------------------------------------------------------
 139 // query capabilities
 140 // ---------------------------------------------------------------------------
 141
 142 bool wxDC::CanDrawBitmap() const
 143 {
 144     return false;
 145 }
 146
 147 bool wxDC::CanGetTextExtent() const
 148 {
 149     return false;
 150 }
 151
 152 int wxDC::GetDepth() const
 153 {
 154     return 0;
 155 }
 156
 157 // ---------------------------------------------------------------------------
 158 // drawing
 159 // ---------------------------------------------------------------------------
 160
 161 void wxDC::Clear()
 162 {
 163 }
 164
 165 bool wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style)
 166 {
 167     return false;
 168 }
 169
 170 bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const
 171 {
 172     return false;
 173 }
 174
 175 void wxDC::DoCrossHair(wxCoord x, wxCoord y)
 176 {
 177 }
 178
 179 void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2)
 180 {
 181 }
 182
 183 // Draws an arc of a circle, centred on (xc, yc), with starting point (x1, y1)
 184 // and ending at (x2, y2)
 185 void wxDC::DoDrawArc(wxCoord x1, wxCoord y1,
 186                      wxCoord x2, wxCoord y2,
 187                      wxCoord xc, wxCoord yc)
 188 {
 189 }
 190
 191 void wxDC::DoDrawCheckMark(wxCoord x1, wxCoord y1,
 192                            wxCoord width, wxCoord height)
 193 {
 194 }
 195
 196 void wxDC::DoDrawPoint(wxCoord x, wxCoord y)
 197 {
 198 }
 199
 200 void wxDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle)
 201 {
 202 }
 203
 204 void
 205 wxDC::DoDrawPolyPolygon(int n,
 206                         int count[],
 207                         wxPoint points[],
 208                         wxCoord xoffset,
 209                         wxCoord yoffset,
 210                         int fillStyle)
 211 {
 212 }
 213
 214 void wxDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset)
 215 {
 216 }
 217
 218 void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 219 {
 220 }
 221
 222 void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius)
 223 {
 224 }
 225
 226 void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height)
 227 {
 228 }
 229
 230 void wxDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea)
 231 {
 232 }
 233
 234 void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y)
 235 {
 236 }
 237
 238 void wxDC::DoDrawBitmap( const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask )
 239 {
 240 }
 241
 242 void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y)
 243 {
 244 }
 245
 246 void wxDC::DrawAnyText(const wxString& text, wxCoord x, wxCoord y)
 247 {
 248 }
 249
 250 void wxDC::DoDrawRotatedText(const wxString& text,
 251                              wxCoord x, wxCoord y,
 252                              double angle)
 253 {
 254 }
 255
 256 // ---------------------------------------------------------------------------
 257 // set GDI objects
 258 // ---------------------------------------------------------------------------
 259
 260 #if wxUSE_PALETTE
 261
 262 void wxDC::DoSelectPalette(bool realize)
 263 {
 264 }
 265
 266 void wxDC::SetPalette(const wxPalette& palette)
 267 {
 268 }
 269
 270 void wxDC::InitializePalette()
 271 {
 272 }
 273
 274 #endif // wxUSE_PALETTE
 275
 276 void wxDC::SetFont(const wxFont& font)
 277 {
 278 }
 279
 280 void wxDC::SetPen(const wxPen& pen)
 281 {
 282 }
 283
 284 void wxDC::SetBrush(const wxBrush& brush)
 285 {
 286 }
 287
 288 void wxDC::SetBackground(const wxBrush& brush)
 289 {
 290 }
 291
 292 void wxDC::SetBackgroundMode(int mode)
 293 {
 294 }
 295
 296 void wxDC::SetLogicalFunction(int function)
 297 {
 298 }
 299
 300 void wxDC::SetRop(WXHDC dc)
 301 {
 302 }
 303
 304 bool wxDC::StartDoc(const wxString& WXUNUSED(message))
 305 {
 306     return true;
 307 }
 308
 309 void wxDC::EndDoc()
 310 {
 311 }
 312
 313 void wxDC::StartPage()
 314 {
 315 }
 316
 317 void wxDC::EndPage()
 318 {
 319 }
 320
 321 // ---------------------------------------------------------------------------
 322 // text metrics
 323 // ---------------------------------------------------------------------------
 324
 325 wxCoord wxDC::GetCharHeight() const
 326 {
 327     return 0;
 328 }
 329
 330 wxCoord wxDC::GetCharWidth() const
 331 {
 332     return 0;
 333 }
 334
 335 void wxDC::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y,
 336                            wxCoord *descent, wxCoord *externalLeading,
 337                            wxFont *font) const
 338 {
 339 }
 340
 341
 342 bool wxDC::DoGetPartialTextExtents(const wxString& text, wxArrayInt& widths) const
 343 {
 344     return false;
 345 }
 346
 347
 348
 349
 350 void wxDC::SetMapMode(int mode)
 351 {
 352 }
 353
 354 void wxDC::SetUserScale(double x, double y)
 355 {
 356 }
 357
 358 void wxDC::SetAxisOrientation(bool xLeftRight, bool yBottomUp)
 359 {
 360 }
 361
 362 void wxDC::SetSystemScale(double x, double y)
 363 {
 364 }
 365
 366 void wxDC::SetLogicalOrigin(wxCoord x, wxCoord y)
 367 {
 368 }
 369
 370 void wxDC::SetDeviceOrigin(wxCoord x, wxCoord y)
 371 {
 372 }
 373
 374 // ---------------------------------------------------------------------------
 375 // coordinates transformations
 376 // ---------------------------------------------------------------------------
 377
 378 wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const
 379 {
 380     return 0;
 381 }
 382
 383 wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const
 384 {
 385     return 0;
 386 }
 387
 388 wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const
 389 {
 390     return 0;
 391 }
 392
 393 wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const
 394 {
 395     return 0;
 396 }
 397
 398 wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const
 399 {
 400     return 0;
 401 }
 402
 403 wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const
 404 {
 405     return 0;
 406 }
 407
 408 wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const
 409 {
 410     return 0;
 411 }
 412
 413 wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const
 414 {
 415     return 0;
 416 }
 417
 418 // ---------------------------------------------------------------------------
 419 // bit blit
 420 // ---------------------------------------------------------------------------
 421
 422 bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest,
 423                   wxCoord width, wxCoord height,
 424                   wxDC *source, wxCoord xsrc, wxCoord ysrc,
 425                   int rop, bool useMask,
 426                   wxCoord xsrcMask, wxCoord ysrcMask)
 427 {
 428     return false;
 429 }
 430
 431 void wxDC::DoGetSize(int *w, int *h) const
 432 {
 433 }
 434
 435 void wxDC::DoGetSizeMM(int *w, int *h) const
 436 {
 437 }
 438
 439 wxSize wxDC::GetPPI() const
 440 {
 441     return wxSize(0, 0);
 442 }
 443
 444 void wxDC::SetLogicalScale(double x, double y)
 445 {
 446 }
 447
 448 // ----------------------------------------------------------------------------
 449 // DC caching
 450 // ----------------------------------------------------------------------------
 451
 452 #if wxUSE_DC_CACHEING
 453
 454 wxList wxDC::sm_bitmapCache;
 455 wxList wxDC::sm_dcCache;
 456
 457 wxDCCacheEntry::wxDCCacheEntry(WXHBITMAP hBitmap, int w, int h, int depth)
 458 {
 459 }
 460
 461 wxDCCacheEntry::wxDCCacheEntry(WXHDC hDC, int depth)
 462 {
 463 }
 464
 465 wxDCCacheEntry::~wxDCCacheEntry()
 466 {
 467 }
 468
 469 wxDCCacheEntry* wxDC::FindBitmapInCache(WXHDC dc, int w, int h)
 470 {
 471     return NULL;
 472 }
 473
 474 wxDCCacheEntry* wxDC::FindDCInCache(wxDCCacheEntry* notThis, WXHDC dc)
 475 {
 476     return NULL;
 477 }
 478
 479 void wxDC::AddToBitmapCache(wxDCCacheEntry* entry)
 480 {
 481 }
 482
 483 void wxDC::AddToDCCache(wxDCCacheEntry* entry)
 484 {
 485 }
 486
 487 void wxDC::ClearCache()
 488 {
 489 }
 490
 491 class wxDCModule : public wxModule
 492 {
 493 public:
 494     virtual bool OnInit() { return true; }
 495     virtual void OnExit() { wxDC::ClearCache(); }
 496
 497 private:
 498     DECLARE_DYNAMIC_CLASS(wxDCModule)
 499 };
 500
 501 IMPLEMENT_DYNAMIC_CLASS(wxDCModule, wxModule)
 502
 503 #endif // wxUSE_DC_CACHEING
 504