| 1 | ///////////////////////////////////////////////////////////////////////////// |
| 2 | // Name: dc.cpp |
| 3 | // Purpose: wxDC class |
| 4 | // Author: Vaclav Slavik |
| 5 | // Created: 2001/03/09 |
| 6 | // RCS-ID: $Id$ |
| 7 | // Copyright: (c) 2001-2002 SciTech Software, Inc. (www.scitechsoft.com) |
| 8 | // Licence: wxWindows licence |
| 9 | ///////////////////////////////////////////////////////////////////////////// |
| 10 | |
| 11 | // =========================================================================== |
| 12 | // declarations |
| 13 | // =========================================================================== |
| 14 | |
| 15 | // --------------------------------------------------------------------------- |
| 16 | // headers |
| 17 | // --------------------------------------------------------------------------- |
| 18 | |
| 19 | #ifdef __GNUG__ |
| 20 | #pragma implementation "dc.h" |
| 21 | #endif |
| 22 | |
| 23 | // For compilers that support precompilation, includes "wx.h". |
| 24 | #include "wx/wxprec.h" |
| 25 | |
| 26 | #ifdef __BORLANDC__ |
| 27 | #pragma hdrstop |
| 28 | #endif |
| 29 | |
| 30 | #ifndef WX_PRECOMP |
| 31 | #include "wx/dc.h" |
| 32 | #include "wx/dcmemory.h" |
| 33 | #endif |
| 34 | |
| 35 | #include "wx/fontutil.h" |
| 36 | #include "wx/fontmap.h" |
| 37 | #include "wx/mgl/private.h" |
| 38 | #include "wx/log.h" |
| 39 | |
| 40 | #include <string.h> |
| 41 | #include <math.h> |
| 42 | #include <mgraph.hpp> |
| 43 | |
| 44 | |
| 45 | |
| 46 | //----------------------------------------------------------------------------- |
| 47 | // constants |
| 48 | //----------------------------------------------------------------------------- |
| 49 | |
| 50 | #ifndef M_PI |
| 51 | #define M_PI 3.14159265358979323846 |
| 52 | #endif |
| 53 | |
| 54 | const double mm2inches = 0.0393700787402; |
| 55 | const double inches2mm = 25.4; |
| 56 | const double mm2twips = 56.6929133859; |
| 57 | const double twips2mm = 0.0176388888889; |
| 58 | const double mm2pt = 2.83464566929; |
| 59 | const double pt2mm = 0.352777777778; |
| 60 | const double RAD2DEG = 180.0 / M_PI; |
| 61 | |
| 62 | |
| 63 | //----------------------------------------------------------------------------- |
| 64 | // pens data: |
| 65 | //----------------------------------------------------------------------------- |
| 66 | |
| 67 | const ushort STIPPLE_wxDOT = 0x5555/* - - - - - - - -*/; |
| 68 | const ushort STIPPLE_wxLONG_DASH = 0xF0F0/* ---- ----*/; |
| 69 | const ushort STIPPLE_wxSHORT_DASH = 0xCCCC/*-- -- -- -- */; |
| 70 | const ushort STIPPLE_wxDOT_DASH = 0x3939/* --- - --- -*/; |
| 71 | const ushort STIPPLE_wxSOLID = 0xFFFF/*----------------*/; |
| 72 | |
| 73 | #define PATTERN_ROW(b7,b6,b5,b4,b3,b2,b1,b0) \ |
| 74 | ((b7 << 7) | (b6 << 6) | (b5 << 5) | (b4 << 4) | \ |
| 75 | (b3 << 3) | (b2 << 2) | (b1 << 1) | b0) |
| 76 | |
| 77 | static pattern_t PATTERN_wxFDIAGONAL_HATCH = {{ |
| 78 | PATTERN_ROW(1,0,0,0,0,0,0,0), |
| 79 | PATTERN_ROW(0,1,0,0,0,0,0,0), |
| 80 | PATTERN_ROW(0,0,1,0,0,0,0,0), |
| 81 | PATTERN_ROW(0,0,0,1,0,0,0,0), |
| 82 | PATTERN_ROW(0,0,0,0,1,0,0,0), |
| 83 | PATTERN_ROW(0,0,0,0,0,1,0,0), |
| 84 | PATTERN_ROW(0,0,0,0,0,0,1,0), |
| 85 | PATTERN_ROW(0,0,0,0,0,0,0,1), |
| 86 | }}; |
| 87 | |
| 88 | static pattern_t PATTERN_wxCROSSDIAG_HATCH = {{ |
| 89 | PATTERN_ROW(1,0,0,0,0,0,0,1), |
| 90 | PATTERN_ROW(0,1,0,0,0,0,1,0), |
| 91 | PATTERN_ROW(0,0,1,0,0,1,0,0), |
| 92 | PATTERN_ROW(0,0,0,1,1,0,0,0), |
| 93 | PATTERN_ROW(0,0,0,1,1,0,0,0), |
| 94 | PATTERN_ROW(0,0,1,0,0,1,0,0), |
| 95 | PATTERN_ROW(0,1,0,0,0,0,1,0), |
| 96 | PATTERN_ROW(1,0,0,0,0,0,0,1), |
| 97 | }}; |
| 98 | |
| 99 | static pattern_t PATTERN_wxBDIAGONAL_HATCH = {{ |
| 100 | PATTERN_ROW(0,0,0,0,0,0,0,1), |
| 101 | PATTERN_ROW(0,0,0,0,0,0,1,0), |
| 102 | PATTERN_ROW(0,0,0,0,0,1,0,0), |
| 103 | PATTERN_ROW(0,0,0,0,1,0,0,0), |
| 104 | PATTERN_ROW(0,0,0,1,0,0,0,0), |
| 105 | PATTERN_ROW(0,0,1,0,0,0,0,0), |
| 106 | PATTERN_ROW(0,1,0,0,0,0,0,0), |
| 107 | PATTERN_ROW(1,0,0,0,0,0,0,0), |
| 108 | }}; |
| 109 | |
| 110 | static pattern_t PATTERN_wxCROSS_HATCH = {{ |
| 111 | PATTERN_ROW(0,0,0,1,0,0,0,0), |
| 112 | PATTERN_ROW(0,0,0,1,0,0,0,0), |
| 113 | PATTERN_ROW(0,0,0,1,0,0,0,0), |
| 114 | PATTERN_ROW(1,1,1,1,1,1,1,1), |
| 115 | PATTERN_ROW(0,0,0,1,0,0,0,0), |
| 116 | PATTERN_ROW(0,0,0,1,0,0,0,0), |
| 117 | PATTERN_ROW(0,0,0,1,0,0,0,0), |
| 118 | PATTERN_ROW(0,0,0,1,0,0,0,0), |
| 119 | }}; |
| 120 | |
| 121 | static pattern_t PATTERN_wxHORIZONTAL_HATCH = {{ |
| 122 | PATTERN_ROW(0,0,0,0,0,0,0,0), |
| 123 | PATTERN_ROW(0,0,0,0,0,0,0,0), |
| 124 | PATTERN_ROW(0,0,0,0,0,0,0,0), |
| 125 | PATTERN_ROW(1,1,1,1,1,1,1,1), |
| 126 | PATTERN_ROW(0,0,0,0,0,0,0,0), |
| 127 | PATTERN_ROW(0,0,0,0,0,0,0,0), |
| 128 | PATTERN_ROW(0,0,0,0,0,0,0,0), |
| 129 | PATTERN_ROW(0,0,0,0,0,0,0,0), |
| 130 | }}; |
| 131 | |
| 132 | static pattern_t PATTERN_wxVERTICAL_HATCH = {{ |
| 133 | PATTERN_ROW(0,0,0,1,0,0,0,0), |
| 134 | PATTERN_ROW(0,0,0,1,0,0,0,0), |
| 135 | PATTERN_ROW(0,0,0,1,0,0,0,0), |
| 136 | PATTERN_ROW(0,0,0,1,0,0,0,0), |
| 137 | PATTERN_ROW(0,0,0,1,0,0,0,0), |
| 138 | PATTERN_ROW(0,0,0,1,0,0,0,0), |
| 139 | PATTERN_ROW(0,0,0,1,0,0,0,0), |
| 140 | PATTERN_ROW(0,0,0,1,0,0,0,0), |
| 141 | }}; |
| 142 | |
| 143 | #undef PATTERN_ROW |
| 144 | |
| 145 | //----------------------------------------------------------------------------- |
| 146 | // wxDC |
| 147 | //----------------------------------------------------------------------------- |
| 148 | |
| 149 | IMPLEMENT_ABSTRACT_CLASS(wxDC, wxDCBase) |
| 150 | |
| 151 | // Default constructor |
| 152 | wxDC::wxDC() |
| 153 | { |
| 154 | m_isMemDC = FALSE; |
| 155 | m_MGLDC = NULL; |
| 156 | m_OwnsMGLDC = FALSE; |
| 157 | m_ok = FALSE; // must call SetMGLDevCtx() before using it |
| 158 | |
| 159 | m_mm_to_pix_x = (double)wxGetDisplaySize().GetWidth() / |
| 160 | (double)wxGetDisplaySizeMM().GetWidth(); |
| 161 | m_mm_to_pix_y = (double)wxGetDisplaySize().GetHeight() / |
| 162 | (double)wxGetDisplaySizeMM().GetHeight(); |
| 163 | |
| 164 | m_pen = *wxBLACK_PEN; |
| 165 | m_font = *wxNORMAL_FONT; |
| 166 | m_brush = *wxWHITE_BRUSH; |
| 167 | m_penOfsX = m_penOfsY = 0; |
| 168 | |
| 169 | m_penSelected = m_brushSelected = FALSE; |
| 170 | m_downloadedPatterns[0] = m_downloadedPatterns[1] = FALSE; |
| 171 | |
| 172 | m_mglFont = NULL; |
| 173 | } |
| 174 | |
| 175 | |
| 176 | wxDC::~wxDC() |
| 177 | { |
| 178 | if (m_OwnsMGLDC) |
| 179 | delete m_MGLDC; |
| 180 | } |
| 181 | |
| 182 | void wxDC::SetMGLDC(MGLDevCtx *mgldc, bool OwnsMGLDC) |
| 183 | { |
| 184 | if ( m_OwnsMGLDC && m_MGLDC ) |
| 185 | delete m_MGLDC; |
| 186 | m_MGLDC = mgldc; |
| 187 | m_OwnsMGLDC = OwnsMGLDC; |
| 188 | m_ok = TRUE; |
| 189 | |
| 190 | if ( !m_globalClippingRegion.IsNull() ) |
| 191 | SetClippingRegion(m_globalClippingRegion); |
| 192 | |
| 193 | InitializeMGLDC(); |
| 194 | } |
| 195 | |
| 196 | void wxDC::InitializeMGLDC() |
| 197 | { |
| 198 | if ( GetDepth() > 8 ) |
| 199 | { |
| 200 | wxCurrentDCSwitcher switcher(m_MGLDC); // will go away with MGL6 |
| 201 | m_MGLDC->setFontBlendMode(MGL_AA_RGBBLEND); |
| 202 | } |
| 203 | } |
| 204 | |
| 205 | |
| 206 | // --------------------------------------------------------------------------- |
| 207 | // clipping |
| 208 | // --------------------------------------------------------------------------- |
| 209 | |
| 210 | |
| 211 | #define DO_SET_CLIPPING_BOX(rg) \ |
| 212 | { \ |
| 213 | wxRect rect = rg.GetBox(); \ |
| 214 | m_clipX1 = (wxCoord) XDEV2LOG(rect.GetLeft()); \ |
| 215 | m_clipY1 = (wxCoord) YDEV2LOG(rect.GetTop()); \ |
| 216 | m_clipX2 = (wxCoord) XDEV2LOG(rect.GetRight()); \ |
| 217 | m_clipY2 = (wxCoord) YDEV2LOG(rect.GetBottom()); \ |
| 218 | } |
| 219 | |
| 220 | void wxDC::DoSetClippingRegion(wxCoord cx, wxCoord cy, wxCoord cw, wxCoord ch) |
| 221 | { |
| 222 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 223 | |
| 224 | wxRect rect(XLOG2DEV(cx), YLOG2DEV(cy), XLOG2DEVREL(cw), YLOG2DEVREL(ch)); |
| 225 | |
| 226 | if ( !m_currentClippingRegion.IsNull() ) |
| 227 | m_currentClippingRegion.Intersect(rect); |
| 228 | else |
| 229 | m_currentClippingRegion.Union(rect); |
| 230 | |
| 231 | m_MGLDC->setClipRegion(m_currentClippingRegion.GetMGLRegion()); |
| 232 | |
| 233 | m_clipping = TRUE; |
| 234 | DO_SET_CLIPPING_BOX(m_currentClippingRegion) |
| 235 | } |
| 236 | |
| 237 | void wxDC::DoSetClippingRegionAsRegion(const wxRegion& region) |
| 238 | { |
| 239 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 240 | |
| 241 | if ( region.IsEmpty() ) |
| 242 | { |
| 243 | DestroyClippingRegion(); |
| 244 | return; |
| 245 | } |
| 246 | |
| 247 | wxRegion rg(region); |
| 248 | |
| 249 | // check if the DC is scaled or moved, and if yes, then |
| 250 | // convert rg to device coordinates: |
| 251 | if ( m_deviceOriginX != 0 || m_deviceOriginY != 0 || |
| 252 | XLOG2DEVREL(500) != 500 || YLOG2DEVREL(500) != 500 ) |
| 253 | { |
| 254 | region_t *mrg = rg.GetMGLRegion().rgnPointer(); |
| 255 | span_t *s; |
| 256 | segment_t *p; |
| 257 | for (s = mrg->spans; s; s = s->next) |
| 258 | { |
| 259 | s->y = YLOG2DEV(s->y); |
| 260 | for (p = s->seg; p; p = p->next) |
| 261 | p->x = XLOG2DEV(p->x); |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | if ( !m_currentClippingRegion.IsNull() ) |
| 266 | m_currentClippingRegion.Intersect(rg); |
| 267 | else |
| 268 | m_currentClippingRegion.Union(rg); |
| 269 | |
| 270 | m_MGLDC->setClipRegion(m_currentClippingRegion.GetMGLRegion()); |
| 271 | |
| 272 | m_clipping = TRUE; |
| 273 | DO_SET_CLIPPING_BOX(m_currentClippingRegion) |
| 274 | } |
| 275 | |
| 276 | void wxDC::DestroyClippingRegion() |
| 277 | { |
| 278 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 279 | |
| 280 | if ( !m_globalClippingRegion.IsNull() ) |
| 281 | { |
| 282 | m_MGLDC->setClipRegion(m_globalClippingRegion.GetMGLRegion()); |
| 283 | m_currentClippingRegion = m_globalClippingRegion; |
| 284 | m_clipping = TRUE; |
| 285 | } |
| 286 | else |
| 287 | { |
| 288 | m_MGLDC->setClipRect(MGLRect(0, 0, m_MGLDC->sizex()+1, m_MGLDC->sizey()+1)); |
| 289 | m_clipping = FALSE; |
| 290 | m_currentClippingRegion.Clear(); |
| 291 | } |
| 292 | } |
| 293 | |
| 294 | // --------------------------------------------------------------------------- |
| 295 | // query capabilities |
| 296 | // --------------------------------------------------------------------------- |
| 297 | |
| 298 | bool wxDC::CanDrawBitmap() const |
| 299 | { |
| 300 | return TRUE; |
| 301 | } |
| 302 | |
| 303 | bool wxDC::CanGetTextExtent() const |
| 304 | { |
| 305 | return TRUE; |
| 306 | } |
| 307 | |
| 308 | int wxDC::GetDepth() const |
| 309 | { |
| 310 | return m_MGLDC->getBitsPerPixel(); |
| 311 | } |
| 312 | |
| 313 | // --------------------------------------------------------------------------- |
| 314 | // drawing |
| 315 | // --------------------------------------------------------------------------- |
| 316 | |
| 317 | void wxDC::Clear() |
| 318 | { |
| 319 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 320 | |
| 321 | m_MGLDC->makeCurrent(); // will go away with MGL6.0 |
| 322 | if ( m_backgroundBrush.GetStyle() != wxTRANSPARENT ) |
| 323 | { |
| 324 | int w, h; |
| 325 | wxBrush oldb = m_brush; |
| 326 | SetBrush(m_backgroundBrush); |
| 327 | SelectBrush(); |
| 328 | GetSize(&w, &h); |
| 329 | m_MGLDC->fillRect(0, 0, w, h); |
| 330 | SetBrush(oldb); |
| 331 | } |
| 332 | } |
| 333 | |
| 334 | void wxDC::DoFloodFill(wxCoord x, wxCoord y, const wxColour& col, int style) |
| 335 | { |
| 336 | wxFAIL_MSG( wxT("wxDC::DoFloodFill not implemented") ); |
| 337 | } |
| 338 | |
| 339 | bool wxDC::DoGetPixel(wxCoord x, wxCoord y, wxColour *col) const |
| 340 | { |
| 341 | wxCHECK_MSG( col, FALSE, _T("NULL colour parameter in wxDC::GetPixel")); |
| 342 | |
| 343 | uchar r, g, b; |
| 344 | m_MGLDC->unpackColorFast(m_MGLDC->getPixel(XLOG2DEV(x), YLOG2DEV(y)), |
| 345 | r, g, b); |
| 346 | col->Set(r, g, b); |
| 347 | return TRUE; |
| 348 | } |
| 349 | |
| 350 | void wxDC::DoCrossHair(wxCoord x, wxCoord y) |
| 351 | { |
| 352 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 353 | |
| 354 | if ( m_pen.GetStyle() != wxTRANSPARENT ) |
| 355 | { |
| 356 | int w = 0; |
| 357 | int h = 0; |
| 358 | GetSize(&w, &h); |
| 359 | m_MGLDC->makeCurrent(); // will go away with MGL6.0 |
| 360 | if ( !m_penSelected ) |
| 361 | SelectPen(); |
| 362 | wxCoord xx = XLOG2DEV(x); |
| 363 | wxCoord yy = YLOG2DEV(y); |
| 364 | m_MGLDC->line(m_penOfsX, yy + m_penOfsY, w-1 + m_penOfsX, yy + m_penOfsY); |
| 365 | m_MGLDC->line(xx + m_penOfsX, m_penOfsY, x + m_penOfsX, h-1 + m_penOfsY); |
| 366 | CalcBoundingBox(0, 0); |
| 367 | CalcBoundingBox(w, h); |
| 368 | } |
| 369 | } |
| 370 | |
| 371 | void wxDC::DoDrawLine(wxCoord x1, wxCoord y1, wxCoord x2, wxCoord y2) |
| 372 | { |
| 373 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 374 | |
| 375 | if ( m_pen.GetStyle() != wxTRANSPARENT ) |
| 376 | { |
| 377 | m_MGLDC->makeCurrent(); // will go away with MGL6.0 |
| 378 | if ( !m_penSelected ) |
| 379 | SelectPen(); |
| 380 | m_MGLDC->lineExt(XLOG2DEV(x1) + m_penOfsX, YLOG2DEV(y1) + m_penOfsY, |
| 381 | XLOG2DEV(x2) + m_penOfsX, YLOG2DEV(y2) + m_penOfsY,FALSE); |
| 382 | CalcBoundingBox(x1, y1); |
| 383 | CalcBoundingBox(x2, y2); |
| 384 | } |
| 385 | } |
| 386 | |
| 387 | // Draws an arc of a circle, centred on (xc, yc), with starting point (x1, y1) |
| 388 | // and ending at (x2, y2) |
| 389 | void wxDC::DoDrawArc(wxCoord x1, wxCoord y1, |
| 390 | wxCoord x2, wxCoord y2, |
| 391 | wxCoord xc, wxCoord yc) |
| 392 | { |
| 393 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 394 | |
| 395 | wxCoord xx1 = XLOG2DEV(x1); |
| 396 | wxCoord yy1 = YLOG2DEV(y1); |
| 397 | wxCoord xx2 = XLOG2DEV(x2); |
| 398 | wxCoord yy2 = YLOG2DEV(y2); |
| 399 | wxCoord xxc = XLOG2DEV(xc); |
| 400 | wxCoord yyc = YLOG2DEV(yc); |
| 401 | double dx = xx1 - xxc; |
| 402 | double dy = yy1 - yyc; |
| 403 | double radius = sqrt((double)(dx*dx+dy*dy)); |
| 404 | wxCoord r = (wxCoord)radius; |
| 405 | double radius1, radius2; |
| 406 | |
| 407 | |
| 408 | if (xx1 == xx2 && yy1 == yy2) |
| 409 | { |
| 410 | radius1 = 0.0; |
| 411 | radius2 = 360.0; |
| 412 | } |
| 413 | else if (radius == 0.0) |
| 414 | { |
| 415 | radius1 = radius2 = 0.0; |
| 416 | } |
| 417 | else |
| 418 | { |
| 419 | radius1 = (xx1 - xxc == 0) ? |
| 420 | (yy1 - yyc < 0) ? 90.0 : -90.0 : |
| 421 | -atan2(double(yy1-yyc), double(xx1-xxc)) * RAD2DEG; |
| 422 | radius2 = (xx2 - xxc == 0) ? |
| 423 | (yy2 - yyc < 0) ? 90.0 : -90.0 : |
| 424 | -atan2(double(yy2-yyc), double(xx2-xxc)) * RAD2DEG; |
| 425 | } |
| 426 | wxCoord alpha1 = wxCoord(radius1); |
| 427 | wxCoord alpha2 = alpha1 + wxCoord(radius2 - radius1); |
| 428 | while (alpha2 <= 0) alpha2 += 360; |
| 429 | while (alpha1 > 360) alpha1 -= 360; |
| 430 | |
| 431 | m_MGLDC->makeCurrent(); // will go away with MGL6.0 |
| 432 | if ( m_brush.GetStyle() != wxTRANSPARENT ) |
| 433 | { |
| 434 | if ( !m_brushSelected ) |
| 435 | SelectBrush(); |
| 436 | m_MGLDC->fillEllipseArc(xxc, yyc, r, r, alpha1, alpha2); |
| 437 | } |
| 438 | |
| 439 | if ( m_pen.GetStyle() != wxTRANSPARENT ) |
| 440 | { |
| 441 | if ( !m_penSelected ) |
| 442 | SelectPen(); |
| 443 | m_MGLDC->ellipseArc(xxc + m_penOfsX, yyc + m_penOfsY, r, r, alpha1, alpha2); |
| 444 | } |
| 445 | |
| 446 | CalcBoundingBox(xc - r, yc - r); |
| 447 | CalcBoundingBox(xc + r, yc + r); |
| 448 | } |
| 449 | |
| 450 | void wxDC::DoDrawPoint(wxCoord x, wxCoord y) |
| 451 | { |
| 452 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 453 | |
| 454 | if ( m_pen.GetStyle() != wxTRANSPARENT ) |
| 455 | { |
| 456 | m_MGLDC->makeCurrent(); // will go away with MGL6.0 |
| 457 | if ( !m_penSelected ) |
| 458 | SelectPen(); |
| 459 | m_MGLDC->pixel(XLOG2DEV(x), YLOG2DEV(y)); |
| 460 | CalcBoundingBox(x, y); |
| 461 | } |
| 462 | } |
| 463 | |
| 464 | void wxDC::DoDrawPolygon(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset,int fillStyle) |
| 465 | { |
| 466 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 467 | |
| 468 | wxCoord xxoffset = XLOG2DEVREL(xoffset), |
| 469 | yyoffset = YLOG2DEVREL(yoffset); |
| 470 | MGLPoint *cpoints = new MGLPoint[n+1]; |
| 471 | for (int i = 0; i < n; i++) |
| 472 | { |
| 473 | CalcBoundingBox(points[i].x + xoffset, points[i].y + yoffset); |
| 474 | cpoints[i].x = (int)(XLOG2DEV(points[i].x)); |
| 475 | cpoints[i].y = (int)(YLOG2DEV(points[i].y)); |
| 476 | } |
| 477 | cpoints[n] = cpoints[0]; |
| 478 | |
| 479 | m_MGLDC->makeCurrent(); // will go away with MGL6.0 |
| 480 | if ( m_brush.GetStyle() != wxTRANSPARENT ) |
| 481 | { |
| 482 | if ( !m_brushSelected ) |
| 483 | SelectBrush(); |
| 484 | m_MGLDC->fillPolygon(n, cpoints, xxoffset, yyoffset); |
| 485 | } |
| 486 | |
| 487 | if ( m_pen.GetStyle() != wxTRANSPARENT ) |
| 488 | { |
| 489 | if ( !m_penSelected ) |
| 490 | SelectPen(); |
| 491 | if (m_penOfsX != 0 || m_penOfsY != 0) |
| 492 | { |
| 493 | for (int i = 0; i <= n; i++) |
| 494 | { |
| 495 | cpoints[i].x += m_penOfsX; |
| 496 | cpoints[i].y += m_penOfsY; |
| 497 | } |
| 498 | } |
| 499 | m_MGLDC->polyLine(n+1, cpoints); |
| 500 | } |
| 501 | |
| 502 | delete[] cpoints; |
| 503 | } |
| 504 | |
| 505 | void wxDC::DoDrawLines(int n, wxPoint points[], wxCoord xoffset, wxCoord yoffset) |
| 506 | { |
| 507 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 508 | |
| 509 | if ( m_pen.GetStyle() != wxTRANSPARENT ) |
| 510 | { |
| 511 | MGLPoint *cpoints = new MGLPoint[n]; |
| 512 | m_MGLDC->makeCurrent(); // will go away with MGL6.0 |
| 513 | if ( !m_penSelected ) |
| 514 | SelectPen(); |
| 515 | for (int i = 0; i < n; i++) |
| 516 | { |
| 517 | CalcBoundingBox(points[i].x + xoffset, points[i].y + yoffset); |
| 518 | cpoints[i].x = (int)(XLOG2DEV(points[i].x + xoffset) /*+ m_penOfsX*/); |
| 519 | cpoints[i].y = (int)(YLOG2DEV(points[i].y + yoffset) /*+ m_penOfsY*/); |
| 520 | } |
| 521 | m_MGLDC->polyLine(n, cpoints); |
| 522 | delete[] cpoints; |
| 523 | } |
| 524 | } |
| 525 | |
| 526 | void wxDC::DoDrawRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height) |
| 527 | { |
| 528 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 529 | |
| 530 | wxCoord xx = XLOG2DEV(x); |
| 531 | wxCoord yy = YLOG2DEV(y); |
| 532 | wxCoord ww = m_signX * XLOG2DEVREL(width); |
| 533 | wxCoord hh = m_signY * YLOG2DEVREL(height); |
| 534 | |
| 535 | if ( ww == 0 || hh == 0 ) return; |
| 536 | |
| 537 | if ( ww < 0 ) |
| 538 | { |
| 539 | ww = -ww; |
| 540 | xx = xx - ww; |
| 541 | } |
| 542 | if ( hh < 0 ) |
| 543 | { |
| 544 | hh = -hh; |
| 545 | yy = yy - hh; |
| 546 | } |
| 547 | |
| 548 | m_MGLDC->makeCurrent(); // will go away with MGL6.0 |
| 549 | if ( m_brush.GetStyle() != wxTRANSPARENT ) |
| 550 | { |
| 551 | if ( !m_brushSelected ) |
| 552 | SelectBrush(); |
| 553 | m_MGLDC->fillRect(xx, yy, xx + ww, yy + hh); |
| 554 | } |
| 555 | |
| 556 | if ( m_pen.GetStyle() != wxTRANSPARENT ) |
| 557 | { |
| 558 | if ( !m_penSelected ) |
| 559 | SelectPen(); |
| 560 | |
| 561 | m_MGLDC->rect(xx + m_penOfsX, yy + m_penOfsY, |
| 562 | xx + ww + m_penOfsX, yy + hh + m_penOfsY); |
| 563 | } |
| 564 | |
| 565 | CalcBoundingBox(x, y); |
| 566 | CalcBoundingBox(x + width, y + height); |
| 567 | } |
| 568 | |
| 569 | void wxDC::DoDrawRoundedRectangle(wxCoord x, wxCoord y, wxCoord width, wxCoord height, double radius) |
| 570 | { |
| 571 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 572 | |
| 573 | if ( radius < 0.0 ) |
| 574 | radius = -radius * ((width < height) ? width : height); |
| 575 | |
| 576 | wxCoord xx = XLOG2DEV(x); |
| 577 | wxCoord yy = YLOG2DEV(y); |
| 578 | wxCoord ww = m_signX * XLOG2DEVREL(width); |
| 579 | wxCoord hh = m_signY * YLOG2DEVREL(height); |
| 580 | wxCoord rr = XLOG2DEVREL((wxCoord)radius); |
| 581 | |
| 582 | // CMB: handle -ve width and/or height |
| 583 | if ( ww < 0 ) |
| 584 | { |
| 585 | ww = -ww; |
| 586 | xx = xx - ww; |
| 587 | } |
| 588 | if ( hh < 0 ) |
| 589 | { |
| 590 | hh = -hh; |
| 591 | yy = yy - hh; |
| 592 | } |
| 593 | |
| 594 | // CMB: if radius is zero use DrawRectangle() instead to avoid |
| 595 | // X drawing errors with small radii |
| 596 | if ( rr == 0 ) |
| 597 | { |
| 598 | DrawRectangle(x, y, width, height); |
| 599 | return; |
| 600 | } |
| 601 | |
| 602 | // CMB: draw nothing if transformed w or h is 0 |
| 603 | if ( ww == 0 || hh == 0 ) return; |
| 604 | |
| 605 | // CMB: ensure dd is not larger than rectangle otherwise we |
| 606 | // get an hour glass shape |
| 607 | wxCoord dd = 2 * rr; |
| 608 | if ( dd > ww ) dd = ww; |
| 609 | if ( dd > hh ) dd = hh; |
| 610 | rr = dd / 2; |
| 611 | |
| 612 | m_MGLDC->makeCurrent(); // will go away with MGL6.0 |
| 613 | if ( m_brush.GetStyle() != wxTRANSPARENT ) |
| 614 | { |
| 615 | if (!m_brushSelected) |
| 616 | SelectBrush(); |
| 617 | m_MGLDC->fillRect(xx+rr, yy, xx+ww-rr, yy+hh); |
| 618 | m_MGLDC->fillRect(xx, yy+rr, xx+ww, yy+hh-rr); |
| 619 | m_MGLDC->fillEllipseArc(xx+rr, yy+rr, rr, rr, 90, 180); |
| 620 | m_MGLDC->fillEllipseArc(xx+ww-rr, yy+rr, rr, rr, 0, 90); |
| 621 | m_MGLDC->fillEllipseArc(xx+rr, yy+hh-rr, rr, rr, 180, 270); |
| 622 | m_MGLDC->fillEllipseArc(xx+ww-rr, yy+hh-rr, rr, rr, 270, 0); |
| 623 | } |
| 624 | |
| 625 | if ( m_pen.GetStyle() != wxTRANSPARENT ) |
| 626 | { |
| 627 | if ( !m_penSelected ) |
| 628 | SelectPen(); |
| 629 | xx += m_penOfsX; |
| 630 | yy += m_penOfsY; |
| 631 | m_MGLDC->line(xx+rr+1, yy, xx+ww-rr, yy); |
| 632 | m_MGLDC->ellipseArc(xx+ww-rr, yy+rr, rr, rr, 0, 90); |
| 633 | m_MGLDC->line(xx+ww, yy+rr+1, xx+ww, yy+hh-rr); |
| 634 | m_MGLDC->ellipseArc(xx+ww-rr, yy+hh-rr, rr, rr, 270, 0); |
| 635 | m_MGLDC->line(xx+ww-rr, yy+hh, xx+rr+1, yy+hh); |
| 636 | m_MGLDC->ellipseArc(xx+rr, yy+hh-rr, rr, rr, 180, 270); |
| 637 | m_MGLDC->line(xx, yy+hh-rr, xx, yy+rr+1); |
| 638 | m_MGLDC->ellipseArc(xx+rr, yy+rr, rr, rr, 90, 180); |
| 639 | } |
| 640 | |
| 641 | CalcBoundingBox(x, y); |
| 642 | CalcBoundingBox(x + width, y + height); |
| 643 | } |
| 644 | |
| 645 | void wxDC::DoDrawEllipse(wxCoord x, wxCoord y, wxCoord width, wxCoord height) |
| 646 | { |
| 647 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 648 | |
| 649 | wxCoord x2 = (x+width); |
| 650 | wxCoord y2 = (y+height); |
| 651 | |
| 652 | m_MGLDC->makeCurrent(); // will go away with MGL6.0 |
| 653 | if ( m_brush.GetStyle() != wxTRANSPARENT ) |
| 654 | { |
| 655 | if ( !m_brushSelected ) |
| 656 | SelectBrush(); |
| 657 | MGLRect rect(XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2)); |
| 658 | m_MGLDC->fillEllipse(rect); |
| 659 | } |
| 660 | |
| 661 | if ( m_pen.GetStyle() != wxTRANSPARENT ) |
| 662 | { |
| 663 | if ( !m_penSelected ) |
| 664 | SelectPen(); |
| 665 | MGLRect rect(XLOG2DEV(x) + m_penOfsX, YLOG2DEV(y) + m_penOfsY, |
| 666 | XLOG2DEV(x2) + m_penOfsX, YLOG2DEV(y2) + m_penOfsY); |
| 667 | m_MGLDC->ellipse(rect); |
| 668 | } |
| 669 | |
| 670 | CalcBoundingBox(x, y); |
| 671 | CalcBoundingBox(x2, y2); |
| 672 | } |
| 673 | |
| 674 | void wxDC::DoDrawEllipticArc(wxCoord x,wxCoord y,wxCoord w,wxCoord h,double sa,double ea) |
| 675 | { |
| 676 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 677 | |
| 678 | wxCoord x2 = (x+w); |
| 679 | wxCoord y2 = (y+h); |
| 680 | |
| 681 | m_MGLDC->makeCurrent(); // will go away with MGL6.0 |
| 682 | if ( m_brush.GetStyle() != wxTRANSPARENT ) |
| 683 | { |
| 684 | if (!m_brushSelected) SelectBrush(); |
| 685 | MGLRect rect(XLOG2DEV(x), YLOG2DEV(y), XLOG2DEV(x2), YLOG2DEV(y2)); |
| 686 | m_MGLDC->fillEllipseArc(rect, (int)sa, (int)ea); |
| 687 | } |
| 688 | |
| 689 | if ( m_pen.GetStyle() != wxTRANSPARENT ) |
| 690 | { |
| 691 | if ( !m_penSelected ) |
| 692 | SelectPen(); |
| 693 | MGLRect rect(XLOG2DEV(x) + m_penOfsX, YLOG2DEV(y) + m_penOfsY, |
| 694 | XLOG2DEV(x2) + m_penOfsX, YLOG2DEV(y2) + m_penOfsY); |
| 695 | m_MGLDC->ellipseArc(rect, (int)sa, (int)ea); |
| 696 | } |
| 697 | |
| 698 | CalcBoundingBox(x, y); |
| 699 | CalcBoundingBox(x2, y2); |
| 700 | } |
| 701 | |
| 702 | void wxDC::DoDrawText(const wxString& text, wxCoord x, wxCoord y) |
| 703 | { |
| 704 | m_MGLDC->makeCurrent(); // will go away with MGL6.0 |
| 705 | DrawAnyText(text, x, y); |
| 706 | |
| 707 | // update the bounding box |
| 708 | wxCoord w, h; |
| 709 | CalcBoundingBox(x, y); |
| 710 | GetTextExtent(text, &w, &h); |
| 711 | CalcBoundingBox(x + w, y + h); |
| 712 | } |
| 713 | |
| 714 | bool wxDC::SelectMGLFont() |
| 715 | { |
| 716 | if ( m_mglFont == NULL ) |
| 717 | { |
| 718 | float scale = m_scaleY; |
| 719 | bool antialiased = (GetDepth() > 8); |
| 720 | |
| 721 | m_mglFont = m_font.GetMGLfont_t(scale, antialiased); |
| 722 | wxCHECK_MSG( m_mglFont, FALSE, wxT("invalid font") ); |
| 723 | |
| 724 | m_MGLDC->useFont(m_mglFont); |
| 725 | wxLogTrace("mgl_font", "useFont(%p)", m_mglFont); |
| 726 | |
| 727 | #if !wxUSE_UNICODE |
| 728 | wxNativeEncodingInfo nativeEnc; |
| 729 | wxFontEncoding encoding = m_font.GetEncoding(); |
| 730 | if ( !wxGetNativeFontEncoding(encoding, &nativeEnc) || |
| 731 | !wxTestFontEncoding(nativeEnc) ) |
| 732 | { |
| 733 | #if wxUSE_FONTMAP |
| 734 | if ( !wxTheFontMapper->GetAltForEncoding(encoding, &nativeEnc) ) |
| 735 | #endif |
| 736 | { |
| 737 | nativeEnc.mglEncoding = MGL_ENCODING_ASCII; |
| 738 | } |
| 739 | } |
| 740 | m_MGLDC->setTextEncoding(nativeEnc.mglEncoding); |
| 741 | #endif |
| 742 | } |
| 743 | return TRUE; |
| 744 | } |
| 745 | |
| 746 | void wxDC::DrawAnyText(const wxString& text, wxCoord x, wxCoord y) |
| 747 | { |
| 748 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 749 | |
| 750 | SelectMGLFont(); |
| 751 | |
| 752 | // Render the text: |
| 753 | wxCoord xx = XLOG2DEV(x); |
| 754 | wxCoord yy = YLOG2DEV(y); |
| 755 | |
| 756 | m_MGLDC->setLineStyle(MGL_LINE_STIPPLE); |
| 757 | m_MGLDC->setLineStipple(0xFFFF); |
| 758 | m_MGLDC->setPenSize(1, 1); |
| 759 | m_MGLDC->setPenStyle(MGL_BITMAP_SOLID); |
| 760 | |
| 761 | #if wxUSE_UNICODE |
| 762 | const wchar_t *c_text = text.c_str(); |
| 763 | #else |
| 764 | const char *c_text = text.c_str(); |
| 765 | #endif |
| 766 | |
| 767 | #if 1 |
| 768 | // FIXME_MGL - this is a temporary hack in absence of proper |
| 769 | // implementation of solid text background in MGL. Once |
| 770 | // the bug in MGL is fixed, this code should be nuked |
| 771 | // immediately. Note that the code is not 100% correct; |
| 772 | // it only works with wxCOPY logical function |
| 773 | if ( m_backgroundMode == wxSOLID ) |
| 774 | { |
| 775 | int w = m_MGLDC->textWidth(c_text); |
| 776 | int h = m_MGLDC->textHeight(); |
| 777 | m_MGLDC->setColor(m_MGLDC->packColorFast(m_textBackgroundColour.Red(), |
| 778 | m_textBackgroundColour.Green(), m_textBackgroundColour.Blue())); |
| 779 | m_MGLDC->fillRect(xx, yy, xx+w, yy+h); |
| 780 | } |
| 781 | #endif |
| 782 | |
| 783 | m_MGLDC->setColor(m_MGLDC->packColorFast(m_textForegroundColour.Red(), |
| 784 | m_textForegroundColour.Green(), m_textForegroundColour.Blue())); |
| 785 | m_MGLDC->setBackColor(m_MGLDC->packColorFast(m_textBackgroundColour.Red(), |
| 786 | m_textBackgroundColour.Green(), m_textBackgroundColour.Blue())); |
| 787 | |
| 788 | m_MGLDC->drawStr(xx, yy, c_text); |
| 789 | |
| 790 | // Render underline: |
| 791 | if ( m_font.GetUnderlined() ) |
| 792 | { |
| 793 | int x1 = xx, y1 = yy; |
| 794 | int x2 = 0 , y2 = 0; |
| 795 | int w = m_MGLDC->textWidth(c_text); |
| 796 | m_MGLDC->underScoreLocation(x1, y1, c_text); |
| 797 | switch (m_MGLDC->getTextDirection()) |
| 798 | { |
| 799 | case MGL_RIGHT_DIR: x2 = x1 + w, y2 = y1; break; |
| 800 | case MGL_LEFT_DIR: x2 = x1 - w, y2 = y1; break; |
| 801 | case MGL_UP_DIR: x2 = x1, y2 = y1 - w; break; |
| 802 | case MGL_DOWN_DIR: x2 = x1, y2 = y1 + w; break; |
| 803 | } |
| 804 | m_MGLDC->line(x1, y1, x2, y2); |
| 805 | } |
| 806 | |
| 807 | m_penSelected = m_brushSelected = FALSE; |
| 808 | } |
| 809 | |
| 810 | void wxDC::DoDrawRotatedText(const wxString& text, |
| 811 | wxCoord x, wxCoord y, |
| 812 | double angle) |
| 813 | { |
| 814 | m_MGLDC->makeCurrent(); // will go away with MGL6.0 |
| 815 | |
| 816 | if ( angle == 0 ) |
| 817 | { |
| 818 | DoDrawText(text, x, y); |
| 819 | return; |
| 820 | } |
| 821 | else if ( angle == 90.0 ) |
| 822 | m_MGLDC->setTextDirection(MGL_UP_DIR); |
| 823 | else if ( angle == 180.0 ) |
| 824 | m_MGLDC->setTextDirection(MGL_LEFT_DIR); |
| 825 | else if ( angle == 270.0 ) |
| 826 | m_MGLDC->setTextDirection(MGL_DOWN_DIR); |
| 827 | else |
| 828 | { |
| 829 | // FIXME_MGL -- implement once MGL supports it |
| 830 | wxFAIL_MSG(wxT("wxMGL only supports rotated text with angle 0,90,180 or 270")); |
| 831 | return; |
| 832 | } |
| 833 | |
| 834 | DrawAnyText(text, x, y); |
| 835 | |
| 836 | // Restore default: |
| 837 | m_MGLDC->setTextDirection(MGL_RIGHT_DIR); |
| 838 | } |
| 839 | |
| 840 | // --------------------------------------------------------------------------- |
| 841 | // set GDI objects |
| 842 | // --------------------------------------------------------------------------- |
| 843 | |
| 844 | void wxDC::SelectMGLStipplePen(int style) |
| 845 | { |
| 846 | ushort stipple; |
| 847 | |
| 848 | switch (style) |
| 849 | { |
| 850 | case wxDOT: stipple = STIPPLE_wxDOT; break; |
| 851 | case wxLONG_DASH: stipple = STIPPLE_wxLONG_DASH; break; |
| 852 | case wxSHORT_DASH: stipple = STIPPLE_wxSHORT_DASH; break; |
| 853 | case wxDOT_DASH: stipple = STIPPLE_wxDOT_DASH; break; |
| 854 | default: stipple = STIPPLE_wxSOLID; break; |
| 855 | } |
| 856 | |
| 857 | m_MGLDC->setLineStyle(MGL_LINE_STIPPLE); |
| 858 | m_MGLDC->setLineStipple(stipple); |
| 859 | m_MGLDC->setPenSize(1, 1); |
| 860 | m_MGLDC->setPenStyle(MGL_BITMAP_SOLID); |
| 861 | m_penOfsY = m_penOfsX = 0; |
| 862 | } |
| 863 | |
| 864 | // Accepted valus of SelectMGLFatPen's 2nd argument |
| 865 | enum { |
| 866 | wxMGL_SELECT_FROM_PEN, |
| 867 | wxMGL_SELECT_FROM_BRUSH |
| 868 | }; |
| 869 | |
| 870 | void wxDC::SelectMGLFatPen(int style, int flag) |
| 871 | { |
| 872 | MGL_penStyleType penstyle; |
| 873 | const pattern_t *pattern = NULL; |
| 874 | pixpattern24_t *pixPattern = NULL; |
| 875 | int wx, wy; |
| 876 | int slot; |
| 877 | |
| 878 | // Since MGL pens may be created from wxBrush or wxPen and we often |
| 879 | // switch between pens and brushes, we take advantage of MGL's ability |
| 880 | // to have multiple (pix)pattern_t's loaded. We always download pen |
| 881 | // to 0th slot and brush to 1st slot. |
| 882 | if ( flag == wxMGL_SELECT_FROM_PEN ) |
| 883 | slot = 0; |
| 884 | else |
| 885 | slot = 1; |
| 886 | |
| 887 | // compute pen's width: |
| 888 | if ( m_pen.GetWidth() <= 1 ) |
| 889 | { |
| 890 | wx = wy = 1; |
| 891 | m_penOfsX = m_penOfsY = 0; |
| 892 | } |
| 893 | else |
| 894 | { |
| 895 | wx = (int)(0.5 + fabs((double) XLOG2DEVREL(m_pen.GetWidth()))); |
| 896 | wy = (int)(0.5 + fabs((double) YLOG2DEVREL(m_pen.GetWidth()))); |
| 897 | m_penOfsX = -wx/2; |
| 898 | m_penOfsY = -wy/2; |
| 899 | } |
| 900 | |
| 901 | // find pen's type: |
| 902 | penstyle = MGL_BITMAP_TRANSPARENT; |
| 903 | switch (style) |
| 904 | { |
| 905 | case wxBDIAGONAL_HATCH: pattern = &PATTERN_wxBDIAGONAL_HATCH; |
| 906 | penstyle = MGL_BITMAP_TRANSPARENT; |
| 907 | break; |
| 908 | case wxCROSSDIAG_HATCH: pattern = &PATTERN_wxCROSSDIAG_HATCH; |
| 909 | penstyle = MGL_BITMAP_TRANSPARENT; |
| 910 | break; |
| 911 | case wxFDIAGONAL_HATCH: pattern = &PATTERN_wxFDIAGONAL_HATCH; |
| 912 | penstyle = MGL_BITMAP_TRANSPARENT; |
| 913 | break; |
| 914 | case wxCROSS_HATCH: pattern = &PATTERN_wxCROSS_HATCH; |
| 915 | penstyle = MGL_BITMAP_TRANSPARENT; |
| 916 | break; |
| 917 | case wxHORIZONTAL_HATCH: pattern = &PATTERN_wxHORIZONTAL_HATCH; |
| 918 | penstyle = MGL_BITMAP_TRANSPARENT; |
| 919 | break; |
| 920 | case wxVERTICAL_HATCH: pattern = &PATTERN_wxVERTICAL_HATCH; |
| 921 | penstyle = MGL_BITMAP_TRANSPARENT; |
| 922 | break; |
| 923 | |
| 924 | case wxSTIPPLE: |
| 925 | if ( flag == wxMGL_SELECT_FROM_PEN ) |
| 926 | pixPattern = (pixpattern24_t*) m_pen.GetPixPattern(); |
| 927 | else |
| 928 | pixPattern = (pixpattern24_t*) m_brush.GetPixPattern(); |
| 929 | penstyle = MGL_PIXMAP; |
| 930 | break; |
| 931 | |
| 932 | case wxSTIPPLE_MASK_OPAQUE: |
| 933 | pattern = (pattern_t*) m_brush.GetMaskPattern(); |
| 934 | penstyle = MGL_BITMAP_OPAQUE; |
| 935 | break; |
| 936 | |
| 937 | case wxSOLID: |
| 938 | default: |
| 939 | penstyle = MGL_BITMAP_SOLID; break; |
| 940 | } |
| 941 | |
| 942 | // ...and finally, pass the pen to MGL: |
| 943 | |
| 944 | if ( pattern ) |
| 945 | { |
| 946 | if ( !m_downloadedPatterns[slot] ) |
| 947 | { |
| 948 | m_MGLDC->setPenBitmapPattern(slot, pattern); |
| 949 | m_downloadedPatterns[slot] = TRUE; |
| 950 | } |
| 951 | m_MGLDC->usePenBitmapPattern(slot); |
| 952 | } |
| 953 | |
| 954 | if ( pixPattern ) |
| 955 | { |
| 956 | if ( !m_downloadedPatterns[slot] ) |
| 957 | { |
| 958 | pixpattern_t pix; |
| 959 | int x, y, c; |
| 960 | |
| 961 | switch (GetDepth()) |
| 962 | { |
| 963 | case 8: |
| 964 | for (y = 0; y < 8; y++) |
| 965 | for (x = 0; x < 8; x++) |
| 966 | pix.b8.p[x][y] = m_MGLDC->packColorFast( |
| 967 | pixPattern->p[x][y][0], |
| 968 | pixPattern->p[x][y][1], |
| 969 | pixPattern->p[x][y][2]); |
| 970 | break; |
| 971 | case 15: |
| 972 | case 16: |
| 973 | for (y = 0; y < 8; y++) |
| 974 | for (x = 0; x < 8; x++) |
| 975 | pix.b16.p[x][y] = m_MGLDC->packColorFast( |
| 976 | pixPattern->p[x][y][0], |
| 977 | pixPattern->p[x][y][1], |
| 978 | pixPattern->p[x][y][2]); |
| 979 | break; |
| 980 | case 24: |
| 981 | for (y = 0; y < 8; y++) |
| 982 | for (x = 0; x < 8; x++) |
| 983 | for (c = 0; c < 3; c++) |
| 984 | pix.b24.p[x][y][c] = pixPattern->p[x][y][c]; |
| 985 | break; |
| 986 | case 32: |
| 987 | for (y = 0; y < 8; y++) |
| 988 | for (x = 0; x < 8; x++) |
| 989 | pix.b32.p[x][y] = m_MGLDC->packColorFast( |
| 990 | pixPattern->p[x][y][0], |
| 991 | pixPattern->p[x][y][1], |
| 992 | pixPattern->p[x][y][2]); |
| 993 | break; |
| 994 | default: |
| 995 | wxFAIL_MSG(_T("invalid DC depth")); |
| 996 | break; |
| 997 | } |
| 998 | m_MGLDC->setPenPixmapPattern(slot, &pix); |
| 999 | m_downloadedPatterns[slot] = TRUE; |
| 1000 | } |
| 1001 | m_MGLDC->usePenPixmapPattern(slot); |
| 1002 | } |
| 1003 | |
| 1004 | m_MGLDC->setLineStyle(MGL_LINE_PENSTYLE); |
| 1005 | m_MGLDC->setPenStyle(penstyle); |
| 1006 | m_MGLDC->setPenSize(wy, wx); |
| 1007 | } |
| 1008 | |
| 1009 | void wxDC::SelectPen() |
| 1010 | { |
| 1011 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 1012 | |
| 1013 | wxColour& clr = m_pen.GetColour(); |
| 1014 | m_MGLDC->makeCurrent(); // will go away with MGL6.0 |
| 1015 | m_MGLDC->setColorRGB(clr.Red(), clr.Green(), clr.Blue()); |
| 1016 | |
| 1017 | switch (m_pen.GetStyle()) |
| 1018 | { |
| 1019 | case wxTRANSPARENT: |
| 1020 | break; |
| 1021 | |
| 1022 | case wxDOT: |
| 1023 | case wxLONG_DASH: |
| 1024 | case wxSHORT_DASH: |
| 1025 | case wxDOT_DASH: |
| 1026 | SelectMGLStipplePen(m_pen.GetStyle()); |
| 1027 | break; |
| 1028 | |
| 1029 | case wxBDIAGONAL_HATCH: |
| 1030 | case wxCROSSDIAG_HATCH: |
| 1031 | case wxFDIAGONAL_HATCH: |
| 1032 | case wxCROSS_HATCH: |
| 1033 | case wxHORIZONTAL_HATCH: |
| 1034 | case wxVERTICAL_HATCH: |
| 1035 | SelectMGLFatPen(m_pen.GetStyle(), wxMGL_SELECT_FROM_PEN); |
| 1036 | break; |
| 1037 | |
| 1038 | case wxSTIPPLE: |
| 1039 | SelectMGLFatPen(m_pen.GetStyle(), wxMGL_SELECT_FROM_PEN); |
| 1040 | break; |
| 1041 | |
| 1042 | case wxSOLID: |
| 1043 | case wxUSER_DASH: |
| 1044 | default: |
| 1045 | if ( m_pen.GetWidth() <= 1 ) |
| 1046 | SelectMGLStipplePen(wxSOLID); |
| 1047 | else |
| 1048 | SelectMGLFatPen(wxSOLID, wxMGL_SELECT_FROM_PEN); |
| 1049 | break; |
| 1050 | } |
| 1051 | m_penSelected = TRUE; |
| 1052 | m_brushSelected = FALSE; |
| 1053 | } |
| 1054 | |
| 1055 | void wxDC::SelectBrush() |
| 1056 | { |
| 1057 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 1058 | |
| 1059 | wxColour fg, bg; |
| 1060 | m_MGLDC->makeCurrent(); // will go away with MGL6.0 |
| 1061 | |
| 1062 | if ( m_brush.GetStyle() == wxSTIPPLE_MASK_OPAQUE ) |
| 1063 | { |
| 1064 | fg = m_textForegroundColour; |
| 1065 | bg = m_textBackgroundColour; |
| 1066 | } |
| 1067 | else |
| 1068 | { |
| 1069 | fg = m_brush.GetColour(); |
| 1070 | bg = m_backgroundBrush.GetColour(); |
| 1071 | } |
| 1072 | |
| 1073 | m_MGLDC->setColorRGB(fg.Red(), fg.Green(), fg.Blue()); |
| 1074 | m_MGLDC->setBackColor(m_MGLDC->packColorFast(bg.Red(), bg.Green(), bg.Blue())); |
| 1075 | m_penSelected = FALSE; |
| 1076 | m_brushSelected = TRUE; |
| 1077 | |
| 1078 | SelectMGLFatPen(m_brush.GetStyle(), wxMGL_SELECT_FROM_BRUSH); |
| 1079 | } |
| 1080 | |
| 1081 | void wxDC::SetPen(const wxPen& pen) |
| 1082 | { |
| 1083 | if ( !pen.Ok() ) return; |
| 1084 | if ( m_pen == pen ) return; |
| 1085 | m_pen = pen; |
| 1086 | m_penSelected = FALSE; |
| 1087 | m_downloadedPatterns[0] = FALSE; |
| 1088 | } |
| 1089 | |
| 1090 | void wxDC::SetBrush(const wxBrush& brush) |
| 1091 | { |
| 1092 | if ( !brush.Ok() ) return; |
| 1093 | if ( m_brush == brush ) return; |
| 1094 | m_brush = brush; |
| 1095 | m_brushSelected = FALSE; |
| 1096 | m_downloadedPatterns[1] = FALSE; |
| 1097 | } |
| 1098 | |
| 1099 | void wxDC::SetPalette(const wxPalette& palette) |
| 1100 | { |
| 1101 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 1102 | |
| 1103 | if ( palette == wxNullPalette ) |
| 1104 | { |
| 1105 | if ( m_oldPalette.Ok() ) |
| 1106 | SetPalette(m_oldPalette); |
| 1107 | return; |
| 1108 | } |
| 1109 | |
| 1110 | if ( !palette.Ok() ) return; |
| 1111 | if ( m_palette == palette ) return; |
| 1112 | m_oldPalette = m_palette; |
| 1113 | m_palette = palette; |
| 1114 | |
| 1115 | int cnt = m_palette.GetColoursCount(); |
| 1116 | palette_t *pal = m_palette.GetMGLpalette_t(); |
| 1117 | m_MGLDC->setPalette(pal, cnt, 0); |
| 1118 | m_MGLDC->realizePalette(cnt, 0, TRUE); |
| 1119 | } |
| 1120 | |
| 1121 | void wxDC::SetFont(const wxFont& font) |
| 1122 | { |
| 1123 | if ( font.Ok() ) |
| 1124 | { |
| 1125 | m_font = font; |
| 1126 | m_mglFont = NULL; |
| 1127 | } |
| 1128 | } |
| 1129 | |
| 1130 | void wxDC::SetBackground(const wxBrush& brush) |
| 1131 | { |
| 1132 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 1133 | |
| 1134 | if (!m_backgroundBrush.Ok()) return; |
| 1135 | |
| 1136 | m_backgroundBrush = brush; |
| 1137 | wxColour &clr = m_backgroundBrush.GetColour(); |
| 1138 | m_MGLDC->makeCurrent(); // will go away with MGL6.0 |
| 1139 | m_MGLDC->setBackColor( |
| 1140 | m_MGLDC->packColorFast(clr.Red(), clr.Green(), clr.Blue())); |
| 1141 | } |
| 1142 | |
| 1143 | void wxDC::SetBackgroundMode(int mode) |
| 1144 | { |
| 1145 | m_backgroundMode = mode; |
| 1146 | if ( mode == wxSOLID ) |
| 1147 | m_MGLDC->setBackMode(MGL_OPAQUE_BACKGROUND); |
| 1148 | else |
| 1149 | m_MGLDC->setBackMode(MGL_TRANSPARENT_BACKGROUND); |
| 1150 | } |
| 1151 | |
| 1152 | void wxDC::SetLogicalFunction(int function) |
| 1153 | { |
| 1154 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 1155 | |
| 1156 | m_logicalFunction = function; |
| 1157 | |
| 1158 | m_MGLDC->makeCurrent(); // will go away with MGL6.0 |
| 1159 | m_MGLDC->setWriteMode(LogicalFunctionToMGLRop(m_logicalFunction)); |
| 1160 | } |
| 1161 | |
| 1162 | int wxDC::LogicalFunctionToMGLRop(int logFunc) const |
| 1163 | { |
| 1164 | MGL_writeModeType rop; |
| 1165 | |
| 1166 | switch (logFunc) |
| 1167 | { |
| 1168 | case wxCLEAR: rop = MGL_R2_BLACK; break; |
| 1169 | case wxXOR: rop = MGL_R2_XORSRC; break; |
| 1170 | case wxINVERT: rop = MGL_R2_NOT; break; |
| 1171 | case wxOR_REVERSE: rop = MGL_R2_MERGESRCNOT; break; |
| 1172 | case wxAND_REVERSE: rop = MGL_R2_MASKSRCNOT; break; |
| 1173 | case wxCOPY: rop = MGL_R2_COPYSRC; break; |
| 1174 | case wxAND: rop = MGL_R2_MASKSRC; break; |
| 1175 | case wxAND_INVERT: rop = MGL_R2_MASKNOTSRC; break; |
| 1176 | case wxNO_OP: rop = MGL_R2_NOP; break; |
| 1177 | case wxNOR: rop = MGL_R2_NOTMERGESRC; break; |
| 1178 | case wxEQUIV: rop = MGL_R2_NOTXORSRC; break; |
| 1179 | case wxSRC_INVERT: rop = MGL_R2_NOTCOPYSRC; break; |
| 1180 | case wxOR_INVERT: rop = MGL_R2_MERGENOTSRC; break; |
| 1181 | case wxNAND: rop = MGL_R2_NOTMASKSRC; break; |
| 1182 | case wxOR: rop = MGL_R2_MERGESRC; break; |
| 1183 | case wxSET: rop = MGL_R2_WHITE; break; |
| 1184 | default: |
| 1185 | wxFAIL_MSG( wxT("unsupported logical function") ); |
| 1186 | return MGL_REPLACE_MODE; |
| 1187 | } |
| 1188 | return (int)rop; |
| 1189 | } |
| 1190 | |
| 1191 | bool wxDC::StartDoc(const wxString& message) |
| 1192 | { |
| 1193 | // We might be previewing, so return TRUE to let it continue. |
| 1194 | return TRUE; |
| 1195 | } |
| 1196 | |
| 1197 | void wxDC::EndDoc() |
| 1198 | { |
| 1199 | } |
| 1200 | |
| 1201 | void wxDC::StartPage() |
| 1202 | { |
| 1203 | } |
| 1204 | |
| 1205 | void wxDC::EndPage() |
| 1206 | { |
| 1207 | } |
| 1208 | |
| 1209 | // --------------------------------------------------------------------------- |
| 1210 | // text metrics |
| 1211 | // --------------------------------------------------------------------------- |
| 1212 | |
| 1213 | wxCoord wxDC::GetCharHeight() const |
| 1214 | { |
| 1215 | wxCurrentDCSwitcher switcher(m_MGLDC); |
| 1216 | if ( !wxConstCast(this, wxDC)->SelectMGLFont() ) return -1; |
| 1217 | return YDEV2LOGREL(m_mglFont->fontHeight); |
| 1218 | } |
| 1219 | |
| 1220 | wxCoord wxDC::GetCharWidth() const |
| 1221 | { |
| 1222 | wxCurrentDCSwitcher switcher(m_MGLDC); |
| 1223 | if ( !wxConstCast(this, wxDC)->SelectMGLFont() ) return -1; |
| 1224 | // VS: wxT() is intentional, charWidth() has both char and wchar_t version |
| 1225 | // VS: YDEV is corrent, it should *not* be XDEV, because font's are only |
| 1226 | // scaled according to m_scaleY |
| 1227 | return YDEV2LOGREL(m_mglFont->fontWidth); |
| 1228 | } |
| 1229 | |
| 1230 | void wxDC::DoGetTextExtent(const wxString& string, wxCoord *x, wxCoord *y, |
| 1231 | wxCoord *descent, wxCoord *externalLeading, |
| 1232 | wxFont *theFont) const |
| 1233 | { |
| 1234 | wxFont oldFont; |
| 1235 | |
| 1236 | if ( theFont != NULL ) |
| 1237 | { |
| 1238 | oldFont = m_font; |
| 1239 | wxConstCast(this, wxDC)->SetFont(*theFont); |
| 1240 | } |
| 1241 | |
| 1242 | wxCurrentDCSwitcher switcher(m_MGLDC); |
| 1243 | if ( !wxConstCast(this, wxDC)->SelectMGLFont() ) return; |
| 1244 | |
| 1245 | if ( x ) |
| 1246 | // VS: YDEV is corrent, it should *not* be XDEV, because font's are |
| 1247 | // only scaled according to m_scaleY |
| 1248 | *x = YDEV2LOGREL(m_MGLDC->textWidth(string.c_str())); |
| 1249 | if ( y ) |
| 1250 | *y = YDEV2LOGREL(m_MGLDC->textHeight()); |
| 1251 | if ( descent ) |
| 1252 | *descent = YDEV2LOGREL(m_mglFont->descent); |
| 1253 | if ( externalLeading ) |
| 1254 | *externalLeading = YDEV2LOGREL(m_mglFont->leading); |
| 1255 | |
| 1256 | if ( theFont != NULL ) |
| 1257 | wxConstCast(this, wxDC)->SetFont(oldFont); |
| 1258 | } |
| 1259 | |
| 1260 | |
| 1261 | |
| 1262 | // --------------------------------------------------------------------------- |
| 1263 | // mapping modes |
| 1264 | // --------------------------------------------------------------------------- |
| 1265 | |
| 1266 | void wxDC::ComputeScaleAndOrigin() |
| 1267 | { |
| 1268 | double newX = m_logicalScaleX * m_userScaleX; |
| 1269 | double newY = m_logicalScaleY * m_userScaleY; |
| 1270 | |
| 1271 | // make sure font will be reloaded before drawing: |
| 1272 | if ( newY != m_scaleY ) |
| 1273 | m_mglFont = NULL; |
| 1274 | // make sure m_penOfs{X,Y} will be reevaluated before drawing: |
| 1275 | if ( newY != m_scaleY || newX != m_scaleX ) |
| 1276 | m_penSelected = FALSE; |
| 1277 | |
| 1278 | m_scaleX = newX, m_scaleY = newY; |
| 1279 | } |
| 1280 | |
| 1281 | void wxDC::SetMapMode(int mode) |
| 1282 | { |
| 1283 | switch (mode) |
| 1284 | { |
| 1285 | case wxMM_TWIPS: |
| 1286 | SetLogicalScale(twips2mm*m_mm_to_pix_x, twips2mm*m_mm_to_pix_y); |
| 1287 | break; |
| 1288 | case wxMM_POINTS: |
| 1289 | SetLogicalScale(pt2mm*m_mm_to_pix_x, pt2mm*m_mm_to_pix_y); |
| 1290 | break; |
| 1291 | case wxMM_METRIC: |
| 1292 | SetLogicalScale(m_mm_to_pix_x, m_mm_to_pix_y); |
| 1293 | break; |
| 1294 | case wxMM_LOMETRIC: |
| 1295 | SetLogicalScale(m_mm_to_pix_x/10.0, m_mm_to_pix_y/10.0); |
| 1296 | break; |
| 1297 | default: |
| 1298 | case wxMM_TEXT: |
| 1299 | SetLogicalScale(1.0, 1.0); |
| 1300 | break; |
| 1301 | } |
| 1302 | m_mappingMode = mode; |
| 1303 | } |
| 1304 | |
| 1305 | void wxDC::SetUserScale( double x, double y ) |
| 1306 | { |
| 1307 | // allow negative ? -> no |
| 1308 | m_userScaleX = x; |
| 1309 | m_userScaleY = y; |
| 1310 | ComputeScaleAndOrigin(); |
| 1311 | } |
| 1312 | |
| 1313 | void wxDC::SetLogicalScale( double x, double y ) |
| 1314 | { |
| 1315 | // allow negative ? |
| 1316 | m_logicalScaleX = x; |
| 1317 | m_logicalScaleY = y; |
| 1318 | ComputeScaleAndOrigin(); |
| 1319 | } |
| 1320 | |
| 1321 | void wxDC::SetLogicalOrigin( wxCoord x, wxCoord y ) |
| 1322 | { |
| 1323 | m_logicalOriginX = x * m_signX; // is this still correct ? |
| 1324 | m_logicalOriginY = y * m_signY; |
| 1325 | ComputeScaleAndOrigin(); |
| 1326 | } |
| 1327 | |
| 1328 | void wxDC::SetDeviceOrigin( wxCoord x, wxCoord y ) |
| 1329 | { |
| 1330 | // only wxPostScripDC has m_signX = -1, we override SetDeviceOrigin there |
| 1331 | m_deviceOriginX = x; |
| 1332 | m_deviceOriginY = y; |
| 1333 | ComputeScaleAndOrigin(); |
| 1334 | } |
| 1335 | |
| 1336 | void wxDC::SetAxisOrientation( bool xLeftRight, bool yBottomUp ) |
| 1337 | { |
| 1338 | // only wxPostScripDC has m_signX = -1, we override SetAxisOrientation there |
| 1339 | m_signX = (xLeftRight ? 1 : -1); |
| 1340 | m_signY = (yBottomUp ? -1 : 1); |
| 1341 | ComputeScaleAndOrigin(); |
| 1342 | } |
| 1343 | |
| 1344 | // --------------------------------------------------------------------------- |
| 1345 | // coordinates transformations |
| 1346 | // --------------------------------------------------------------------------- |
| 1347 | |
| 1348 | wxCoord wxDCBase::DeviceToLogicalX(wxCoord x) const |
| 1349 | { |
| 1350 | return ((wxDC *)this)->XDEV2LOG(x); |
| 1351 | } |
| 1352 | |
| 1353 | wxCoord wxDCBase::DeviceToLogicalY(wxCoord y) const |
| 1354 | { |
| 1355 | return ((wxDC *)this)->YDEV2LOG(y); |
| 1356 | } |
| 1357 | |
| 1358 | wxCoord wxDCBase::DeviceToLogicalXRel(wxCoord x) const |
| 1359 | { |
| 1360 | return ((wxDC *)this)->XDEV2LOGREL(x); |
| 1361 | } |
| 1362 | |
| 1363 | wxCoord wxDCBase::DeviceToLogicalYRel(wxCoord y) const |
| 1364 | { |
| 1365 | return ((wxDC *)this)->YDEV2LOGREL(y); |
| 1366 | } |
| 1367 | |
| 1368 | wxCoord wxDCBase::LogicalToDeviceX(wxCoord x) const |
| 1369 | { |
| 1370 | return ((wxDC *)this)->XLOG2DEV(x); |
| 1371 | } |
| 1372 | |
| 1373 | wxCoord wxDCBase::LogicalToDeviceY(wxCoord y) const |
| 1374 | { |
| 1375 | return ((wxDC *)this)->YLOG2DEV(y); |
| 1376 | } |
| 1377 | |
| 1378 | wxCoord wxDCBase::LogicalToDeviceXRel(wxCoord x) const |
| 1379 | { |
| 1380 | return ((wxDC *)this)->XLOG2DEVREL(x); |
| 1381 | } |
| 1382 | |
| 1383 | wxCoord wxDCBase::LogicalToDeviceYRel(wxCoord y) const |
| 1384 | { |
| 1385 | return ((wxDC *)this)->YLOG2DEVREL(y); |
| 1386 | } |
| 1387 | |
| 1388 | |
| 1389 | void wxDC::DoGetSize(int *w, int *h) const |
| 1390 | { |
| 1391 | if (w) *w = m_MGLDC->sizex()+1; |
| 1392 | if (h) *h = m_MGLDC->sizey()+1; |
| 1393 | } |
| 1394 | |
| 1395 | void wxDC::DoGetSizeMM(int *width, int *height) const |
| 1396 | { |
| 1397 | int w = 0; |
| 1398 | int h = 0; |
| 1399 | GetSize(&w, &h); |
| 1400 | if ( width ) *width = int(double(w) / (m_userScaleX*m_mm_to_pix_x)); |
| 1401 | if ( height ) *height = int(double(h) / (m_userScaleY*m_mm_to_pix_y)); |
| 1402 | } |
| 1403 | |
| 1404 | wxSize wxDC::GetPPI() const |
| 1405 | { |
| 1406 | return wxSize(int(double(m_mm_to_pix_x) * inches2mm), |
| 1407 | int(double(m_mm_to_pix_y) * inches2mm)); |
| 1408 | } |
| 1409 | |
| 1410 | |
| 1411 | // --------------------------------------------------------------------------- |
| 1412 | // Blitting |
| 1413 | // --------------------------------------------------------------------------- |
| 1414 | |
| 1415 | bool wxDC::DoBlit(wxCoord xdest, wxCoord ydest, |
| 1416 | wxCoord width, wxCoord height, |
| 1417 | wxDC *source, wxCoord xsrc, wxCoord ysrc, |
| 1418 | int rop, bool useMask, |
| 1419 | wxCoord xsrcMask, wxCoord ysrcMask) |
| 1420 | { |
| 1421 | wxCHECK_MSG( Ok(), FALSE, wxT("invalid dc") ); |
| 1422 | wxCHECK_MSG( source, FALSE, wxT("invalid source dc") ); |
| 1423 | |
| 1424 | // transform the source DC coords to the device ones |
| 1425 | xsrc = source->LogicalToDeviceX(xsrc); |
| 1426 | ysrc = source->LogicalToDeviceY(ysrc); |
| 1427 | |
| 1428 | /* FIXME_MGL: use the mask origin when drawing transparently */ |
| 1429 | if (xsrcMask == -1 && ysrcMask == -1) |
| 1430 | { |
| 1431 | xsrcMask = xsrc; ysrcMask = ysrc; |
| 1432 | } |
| 1433 | else |
| 1434 | { |
| 1435 | xsrcMask = source->LogicalToDeviceX(xsrcMask); |
| 1436 | ysrcMask = source->LogicalToDeviceY(ysrcMask); |
| 1437 | } |
| 1438 | |
| 1439 | CalcBoundingBox(xdest, ydest); |
| 1440 | CalcBoundingBox(xdest + width, ydest + height); |
| 1441 | |
| 1442 | /* scale/translate size and position */ |
| 1443 | wxCoord xx = XLOG2DEV(xdest); |
| 1444 | wxCoord yy = YLOG2DEV(ydest); |
| 1445 | wxCoord ww = XLOG2DEVREL(width); |
| 1446 | wxCoord hh = YLOG2DEVREL(height); |
| 1447 | |
| 1448 | if ( source->m_isMemDC ) |
| 1449 | { |
| 1450 | wxMemoryDC *memDC = (wxMemoryDC*) source; |
| 1451 | DoDrawSubBitmap(memDC->GetSelectedObject(), xsrc, ysrc, ww, hh, |
| 1452 | xdest, ydest, rop, useMask); |
| 1453 | } |
| 1454 | else |
| 1455 | { |
| 1456 | m_MGLDC->makeCurrent(); // will go away with MGL6.0 |
| 1457 | m_MGLDC->bitBlt(*source->GetMGLDC(), |
| 1458 | xsrc, ysrc, xsrc + ww, ysrc + hh, |
| 1459 | xx, yy, LogicalFunctionToMGLRop(rop)); |
| 1460 | } |
| 1461 | |
| 1462 | return TRUE; |
| 1463 | } |
| 1464 | |
| 1465 | void wxDC::DoDrawBitmap(const wxBitmap &bmp, wxCoord x, wxCoord y, bool useMask) |
| 1466 | { |
| 1467 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 1468 | wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") ); |
| 1469 | |
| 1470 | wxCoord w = bmp.GetWidth(); |
| 1471 | wxCoord h = bmp.GetHeight(); |
| 1472 | |
| 1473 | DoDrawSubBitmap(bmp, 0, 0, w, h, x, y, m_logicalFunction, useMask); |
| 1474 | } |
| 1475 | |
| 1476 | void wxDC::DoDrawIcon(const wxIcon& icon, wxCoord x, wxCoord y) |
| 1477 | { |
| 1478 | // VZ: egcs 1.0.3 refuses to compile this without cast, no idea why |
| 1479 | DoDrawBitmap((const wxBitmap&)icon, x, y, (bool)TRUE); |
| 1480 | } |
| 1481 | |
| 1482 | |
| 1483 | static inline void DoBitBlt(const wxBitmap& src, MGLDevCtx *dst, |
| 1484 | int sx, int sy, int sw, int sh, |
| 1485 | int dx, int dy, int dw, int dh, |
| 1486 | int rop, bool useStretching, bool putSection) |
| 1487 | { |
| 1488 | bitmap_t *bmp = src.GetMGLbitmap_t(); |
| 1489 | if (!useStretching) |
| 1490 | { |
| 1491 | if (!putSection) |
| 1492 | dst->putBitmap(dx, dy, bmp, rop); |
| 1493 | else |
| 1494 | dst->putBitmapSection(sx, sy, sx + sw, sy + sh, dx, dy, bmp, rop); |
| 1495 | } |
| 1496 | else |
| 1497 | { |
| 1498 | if (!putSection) |
| 1499 | dst->stretchBitmap(dx, dy, dx + dw, dy + dh, bmp, rop); |
| 1500 | else |
| 1501 | dst->stretchBitmapSection(sx, sy, sx + sw, sy + sh, |
| 1502 | dx, dy, dx + dw, dy + dh, bmp, rop); |
| 1503 | } |
| 1504 | } |
| 1505 | |
| 1506 | void wxDC::DoDrawSubBitmap(const wxBitmap &bmp, |
| 1507 | wxCoord x, wxCoord y, wxCoord w, wxCoord h, |
| 1508 | wxCoord destx, wxCoord desty, int rop, bool useMask) |
| 1509 | { |
| 1510 | wxCHECK_RET( Ok(), wxT("invalid dc") ); |
| 1511 | wxCHECK_RET( bmp.Ok(), wxT("invalid bitmap") ); |
| 1512 | |
| 1513 | CalcBoundingBox(x, y); |
| 1514 | CalcBoundingBox(x + w, y + h); |
| 1515 | |
| 1516 | wxCoord dx = XLOG2DEV(destx); |
| 1517 | wxCoord dy = YLOG2DEV(desty); |
| 1518 | wxCoord dw = XLOG2DEVREL(w); |
| 1519 | wxCoord dh = YLOG2DEVREL(h); |
| 1520 | |
| 1521 | m_MGLDC->makeCurrent(); // will go away with MGL6.0 |
| 1522 | |
| 1523 | bool useStretching = ((w != dw) || (h != dh)); |
| 1524 | bool putSection = (w != bmp.GetWidth() || h != bmp.GetHeight()); |
| 1525 | MGL_writeModeType mglRop = (MGL_writeModeType)LogicalFunctionToMGLRop(rop); |
| 1526 | |
| 1527 | if ( bmp.GetDepth() == 1 ) |
| 1528 | { |
| 1529 | // Mono bitmaps are handled in special way -- all 1s are drawn in |
| 1530 | // foreground colours, all 0s in background colour. |
| 1531 | |
| 1532 | ((wxBitmap&)bmp).SetMonoPalette(m_textForegroundColour, m_textBackgroundColour); |
| 1533 | } |
| 1534 | |
| 1535 | if ( useMask && bmp.GetMask() ) |
| 1536 | { |
| 1537 | // Since MGL does not support masks directly (in MGL, mask is handled |
| 1538 | // in same way as in wxImage, i.e. there is one "key" color), we |
| 1539 | // simulate masked bitblt in 6 steps (same as in MSW): |
| 1540 | // |
| 1541 | // 1. Create a temporary bitmap and copy the destination area into it. |
| 1542 | // 2. Copy the source area into the temporary bitmap using the |
| 1543 | // specified logical function. |
| 1544 | // 3. Set the masked area in the temporary bitmap to BLACK by ANDing |
| 1545 | // the mask bitmap with the temp bitmap with the foreground colour |
| 1546 | // set to WHITE and the bg colour set to BLACK. |
| 1547 | // 4. Set the unmasked area in the destination area to BLACK by |
| 1548 | // ANDing the mask bitmap with the destination area with the |
| 1549 | // foreground colour set to BLACK and the background colour set |
| 1550 | // to WHITE. |
| 1551 | // 5. OR the temporary bitmap with the destination area. |
| 1552 | // 6. Delete the temporary bitmap. |
| 1553 | // |
| 1554 | // This sequence of operations ensures that the source's transparent |
| 1555 | // area need not be black, and logical functions are supported. |
| 1556 | |
| 1557 | wxBitmap *mask = bmp.GetMask()->GetBitmap(); |
| 1558 | |
| 1559 | MGLMemoryDC *temp; |
| 1560 | |
| 1561 | if ( GetDepth() <= 8 ) |
| 1562 | { |
| 1563 | temp = new MGLMemoryDC(dw, dh, GetDepth(), NULL); |
| 1564 | wxDC tempdc; |
| 1565 | tempdc.SetMGLDC(temp, FALSE); |
| 1566 | tempdc.SetPalette(m_palette); |
| 1567 | } |
| 1568 | else |
| 1569 | { |
| 1570 | pixel_format_t pf; |
| 1571 | m_MGLDC->getPixelFormat(pf); |
| 1572 | temp = new MGLMemoryDC(dw, dh, GetDepth(), &pf); |
| 1573 | } |
| 1574 | |
| 1575 | wxCHECK_RET( temp->isValid(), wxT("cannot create temporary dc") ); |
| 1576 | |
| 1577 | temp->bitBlt(*m_MGLDC, dx, dy, dx + dw, dy + dh, 0, 0, MGL_REPLACE_MODE); |
| 1578 | |
| 1579 | DoBitBlt(bmp, temp, x, y, w, h, 0, 0, dw, dh, mglRop, |
| 1580 | useStretching, putSection); |
| 1581 | |
| 1582 | mask->SetMonoPalette(wxColour(0,0,0), wxColour(255,255,255)); |
| 1583 | DoBitBlt(*mask, temp, x, y, w, h, 0, 0, dw, dh, MGL_R2_MASKSRC, |
| 1584 | useStretching, putSection); |
| 1585 | DoBitBlt(*mask, m_MGLDC, x, y, w, h, dx, dy, dw, dh, MGL_R2_MASKNOTSRC, |
| 1586 | useStretching, putSection); |
| 1587 | |
| 1588 | m_MGLDC->bitBlt(*temp, 0, 0, dw, dh, dx, dy, MGL_OR_MODE); |
| 1589 | |
| 1590 | delete temp; |
| 1591 | } |
| 1592 | |
| 1593 | else |
| 1594 | { |
| 1595 | DoBitBlt(bmp, m_MGLDC, x, y, w, h, dx, dy, dw, dh, mglRop, |
| 1596 | useStretching, putSection); |
| 1597 | } |
| 1598 | } |