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merge the formfield patch from ooo-build
[ooovba.git] / vcl / source / gdi / outdev4.cxx
blobecdbddb7f31a059b4778df0ed8509e825703aa09
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2 *
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * Copyright 2008 by Sun Microsystems, Inc.
6 *
7 * OpenOffice.org - a multi-platform office productivity suite
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9 * $RCSfile: outdev4.cxx,v $
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15 * it under the terms of the GNU Lesser General Public License version 3
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30
31 // MARKER(update_precomp.py): autogen include statement, do not remove
32 #include "precompiled_vcl.hxx"
33
34 #include <svsys.h>
35 #include <vcl/salgdi.hxx>
36 #include <tools/debug.hxx>
37 #include <vcl/svdata.hxx>
38 #include <vcl/gradient.hxx>
39 #include <vcl/metaact.hxx>
40 #include <vcl/gdimtf.hxx>
41 #include <vcl/outdata.hxx>
42 #include <tools/poly.hxx>
43 #include <vcl/salbtype.hxx>
44 #include <tools/line.hxx>
45 #include <vcl/hatch.hxx>
46 #include <vcl/window.hxx>
47 #include <vcl/virdev.hxx>
48 #include <vcl/outdev.hxx>
49
50 #include "pdfwriter_impl.hxx"
51 #include "vcl/window.h"
52 #include "vcl/salframe.hxx"
53
54 #include <basegfx/polygon/b2dpolygon.hxx>
55 #include <basegfx/polygon/b2dpolypolygon.hxx>
56 #include <basegfx/matrix/b2dhommatrix.hxx>
57
58 // -----------
59 // - Defines -
60 // -----------
61
62 #define HATCH_MAXPOINTS 1024
63 #define GRADIENT_DEFAULT_STEPCOUNT 0
64
65 // ----------------
66 // - Cmp-Function -
67 // ----------------
68
69 extern "C" int __LOADONCALLAPI ImplHatchCmpFnc( const void* p1, const void* p2 )
70 {
71 const long nX1 = ( (Point*) p1 )->X();
72 const long nX2 = ( (Point*) p2 )->X();
73 const long nY1 = ( (Point*) p1 )->Y();
74 const long nY2 = ( (Point*) p2 )->Y();
75
76 return ( nX1 > nX2 ? 1 : nX1 == nX2 ? nY1 > nY2 ? 1: nY1 == nY2 ? 0 : -1 : -1 );
77 }
78
79 // =======================================================================
80
81 DBG_NAMEEX( OutputDevice )
82 DBG_NAMEEX( Gradient )
83
84 // =======================================================================
85
86 void OutputDevice::ImplDrawPolygon( const Polygon& rPoly, const PolyPolygon* pClipPolyPoly )
87 {
88 if( pClipPolyPoly )
89 ImplDrawPolyPolygon( rPoly, pClipPolyPoly );
90 else
91 {
92 USHORT nPoints = rPoly.GetSize();
93
94 if ( nPoints < 2 )
95 return;
96
97 const SalPoint* pPtAry = (const SalPoint*)rPoly.GetConstPointAry();
98 mpGraphics->DrawPolygon( nPoints, pPtAry, this );
99 }
100 }
101
102 // -----------------------------------------------------------------------
103
104 void OutputDevice::ImplDrawPolyPolygon( const PolyPolygon& rPolyPoly, const PolyPolygon* pClipPolyPoly )
105 {
106 PolyPolygon* pPolyPoly;
107
108 if( pClipPolyPoly )
109 {
110 pPolyPoly = new PolyPolygon;
111 rPolyPoly.GetIntersection( *pClipPolyPoly, *pPolyPoly );
112 }
113 else
114 pPolyPoly = (PolyPolygon*) &rPolyPoly;
115
116 if( pPolyPoly->Count() == 1 )
117 {
118 const Polygon rPoly = pPolyPoly->GetObject( 0 );
119 USHORT nSize = rPoly.GetSize();
120
121 if( nSize >= 2 )
122 {
123 const SalPoint* pPtAry = (const SalPoint*)rPoly.GetConstPointAry();
124 mpGraphics->DrawPolygon( nSize, pPtAry, this );
125 }
126 }
127 else if( pPolyPoly->Count() )
128 {
129 USHORT nCount = pPolyPoly->Count();
130 sal_uInt32* pPointAry = new sal_uInt32[nCount];
131 PCONSTSALPOINT* pPointAryAry = new PCONSTSALPOINT[nCount];
132 USHORT i = 0;
133 do
134 {
135 const Polygon& rPoly = pPolyPoly->GetObject( i );
136 USHORT nSize = rPoly.GetSize();
137 if ( nSize )
138 {
139 pPointAry[i] = nSize;
140 pPointAryAry[i] = (PCONSTSALPOINT)rPoly.GetConstPointAry();
141 i++;
142 }
143 else
144 nCount--;
145 }
146 while( i < nCount );
147
148 if( nCount == 1 )
149 mpGraphics->DrawPolygon( *pPointAry, *pPointAryAry, this );
150 else
151 mpGraphics->DrawPolyPolygon( nCount, pPointAry, pPointAryAry, this );
152
153 delete[] pPointAry;
154 delete[] pPointAryAry;
155 }
156
157 if( pClipPolyPoly )
158 delete pPolyPoly;
159 }
160
161 // -----------------------------------------------------------------------
162
163 inline UINT8 ImplGetGradientColorValue( long nValue )
164 {
165 if ( nValue < 0 )
166 return 0;
167 else if ( nValue > 0xFF )
168 return 0xFF;
169 else
170 return (UINT8)nValue;
171 }
172
173 // -----------------------------------------------------------------------
174
175 void OutputDevice::ImplDrawLinearGradient( const Rectangle& rRect,
176 const Gradient& rGradient,
177 BOOL bMtf, const PolyPolygon* pClipPolyPoly )
178 {
179 // rotiertes BoundRect ausrechnen
180 Rectangle aRect = rRect;
181 aRect.Left()--;
182 aRect.Top()--;
183 aRect.Right()++;
184 aRect.Bottom()++;
185 USHORT nAngle = rGradient.GetAngle() % 3600;
186 double fAngle = nAngle * F_PI1800;
187 double fWidth = aRect.GetWidth();
188 double fHeight = aRect.GetHeight();
189 double fDX = fWidth * fabs( cos( fAngle ) ) +
190 fHeight * fabs( sin( fAngle ) );
191 double fDY = fHeight * fabs( cos( fAngle ) ) +
192 fWidth * fabs( sin( fAngle ) );
193 fDX = (fDX - fWidth) * 0.5 + 0.5;
194 fDY = (fDY - fHeight) * 0.5 + 0.5;
195 aRect.Left() -= (long)fDX;
196 aRect.Right() += (long)fDX;
197 aRect.Top() -= (long)fDY;
198 aRect.Bottom() += (long)fDY;
199
200 // Rand berechnen und Rechteck neu setzen
201 Point aCenter = rRect.Center();
202 Rectangle aFullRect = aRect;
203 long nBorder = (long)rGradient.GetBorder() * aRect.GetHeight() / 100;
204 BOOL bLinear;
205
206 // Rand berechnen und Rechteck neu setzen fuer linearen Farbverlauf
207 if ( rGradient.GetStyle() == GRADIENT_LINEAR )
208 {
209 bLinear = TRUE;
210 aRect.Top() += nBorder;
211 }
212 // Rand berechnen und Rechteck neu setzen fuer axiale Farbverlauf
213 else
214 {
215 bLinear = FALSE;
216 nBorder >>= 1;
217
218 aRect.Top() += nBorder;
219 aRect.Bottom() -= nBorder;
220 }
221
222 // Top darf nicht groesser als Bottom sein
223 aRect.Top() = Min( aRect.Top(), (long)(aRect.Bottom() - 1) );
224
225 long nMinRect = aRect.GetHeight();
226
227 // Intensitaeten von Start- und Endfarbe ggf. aendern und
228 // Farbschrittweiten berechnen
229 long nFactor;
230 Color aStartCol = rGradient.GetStartColor();
231 Color aEndCol = rGradient.GetEndColor();
232 long nStartRed = aStartCol.GetRed();
233 long nStartGreen = aStartCol.GetGreen();
234 long nStartBlue = aStartCol.GetBlue();
235 long nEndRed = aEndCol.GetRed();
236 long nEndGreen = aEndCol.GetGreen();
237 long nEndBlue = aEndCol.GetBlue();
238 nFactor = rGradient.GetStartIntensity();
239 nStartRed = (nStartRed * nFactor) / 100;
240 nStartGreen = (nStartGreen * nFactor) / 100;
241 nStartBlue = (nStartBlue * nFactor) / 100;
242 nFactor = rGradient.GetEndIntensity();
243 nEndRed = (nEndRed * nFactor) / 100;
244 nEndGreen = (nEndGreen * nFactor) / 100;
245 nEndBlue = (nEndBlue * nFactor) / 100;
246 long nRedSteps = nEndRed - nStartRed;
247 long nGreenSteps = nEndGreen - nStartGreen;
248 long nBlueSteps = nEndBlue - nStartBlue;
249 long nStepCount = rGradient.GetSteps();
250
251 // Bei nicht linearen Farbverlaeufen haben wir nur die halben Steps
252 // pro Farbe
253 if ( !bLinear )
254 {
255 nRedSteps <<= 1;
256 nGreenSteps <<= 1;
257 nBlueSteps <<= 1;
258 }
259
260 // Anzahl der Schritte berechnen, falls nichts uebergeben wurde
261 if ( !nStepCount )
262 {
263 long nInc;
264
265 if ( meOutDevType != OUTDEV_PRINTER && !bMtf )
266 {
267 nInc = (nMinRect < 50) ? 2 : 4;
268 }
269 else
270 {
271 // #105998# Use display-equivalent step size calculation
272 nInc = (nMinRect < 800) ? 10 : 20;
273 }
274
275 if ( !nInc )
276 nInc = 1;
277
278 nStepCount = nMinRect / nInc;
279 }
280 // minimal drei Schritte und maximal die Anzahl der Farbunterschiede
281 long nSteps = Max( nStepCount, 2L );
282 long nCalcSteps = Abs( nRedSteps );
283 long nTempSteps = Abs( nGreenSteps );
284 if ( nTempSteps > nCalcSteps )
285 nCalcSteps = nTempSteps;
286 nTempSteps = Abs( nBlueSteps );
287 if ( nTempSteps > nCalcSteps )
288 nCalcSteps = nTempSteps;
289 if ( nCalcSteps < nSteps )
290 nSteps = nCalcSteps;
291 if ( !nSteps )
292 nSteps = 1;
293
294 // Falls axialer Farbverlauf, muss die Schrittanzahl ungerade sein
295 if ( !bLinear && !(nSteps & 1) )
296 nSteps++;
297
298 // Berechnung ueber Double-Addition wegen Genauigkeit
299 double fScanLine = aRect.Top();
300 double fScanInc = (double)aRect.GetHeight() / (double)nSteps;
301
302 // Startfarbe berechnen und setzen
303 UINT8 nRed;
304 UINT8 nGreen;
305 UINT8 nBlue;
306 long nSteps2;
307 long nStepsHalf = 0;
308 if ( bLinear )
309 {
310 // Um 1 erhoeht, um die Border innerhalb der Schleife
311 // zeichnen zu koennen
312 nSteps2 = nSteps + 1;
313 nRed = (UINT8)nStartRed;
314 nGreen = (UINT8)nStartGreen;
315 nBlue = (UINT8)nStartBlue;
316 }
317 else
318 {
319 // Um 2 erhoeht, um die Border innerhalb der Schleife
320 // zeichnen zu koennen
321 nSteps2 = nSteps + 2;
322 nRed = (UINT8)nEndRed;
323 nGreen = (UINT8)nEndGreen;
324 nBlue = (UINT8)nEndBlue;
325 nStepsHalf = nSteps >> 1;
326 }
327
328 if ( bMtf )
329 mpMetaFile->AddAction( new MetaFillColorAction( Color( nRed, nGreen, nBlue ), TRUE ) );
330 else
331 mpGraphics->SetFillColor( MAKE_SALCOLOR( nRed, nGreen, nBlue ) );
332
333 // Startpolygon erzeugen (== Borderpolygon)
334 Polygon aPoly( 4 );
335 Polygon aTempPoly( 2 );
336 aPoly[0] = aFullRect.TopLeft();
337 aPoly[1] = aFullRect.TopRight();
338 aPoly[2] = aRect.TopRight();
339 aPoly[3] = aRect.TopLeft();
340 aPoly.Rotate( aCenter, nAngle );
341
342 // Schleife, um rotierten Verlauf zu fuellen
343 for ( long i = 0; i < nSteps2; i++ )
344 {
345 // berechnetesPolygon ausgeben
346 if ( bMtf )
347 mpMetaFile->AddAction( new MetaPolygonAction( aPoly ) );
348 else
349 ImplDrawPolygon( aPoly, pClipPolyPoly );
350
351 // neues Polygon berechnen
352 aRect.Top() = (long)(fScanLine += fScanInc);
353
354 // unteren Rand komplett fuellen
355 if ( i == nSteps )
356 {
357 aTempPoly[0] = aFullRect.BottomLeft();
358 aTempPoly[1] = aFullRect.BottomRight();
359 }
360 else
361 {
362 aTempPoly[0] = aRect.TopLeft();
363 aTempPoly[1] = aRect.TopRight();
364 }
365 aTempPoly.Rotate( aCenter, nAngle );
366
367 aPoly[0] = aPoly[3];
368 aPoly[1] = aPoly[2];
369 aPoly[2] = aTempPoly[1];
370 aPoly[3] = aTempPoly[0];
371
372 // Farbintensitaeten aendern...
373 // fuer lineare FV
374 if ( bLinear )
375 {
376 nRed = ImplGetGradientColorValue( nStartRed+((nRedSteps*i)/nSteps2) );
377 nGreen = ImplGetGradientColorValue( nStartGreen+((nGreenSteps*i)/nSteps2) );
378 nBlue = ImplGetGradientColorValue( nStartBlue+((nBlueSteps*i)/nSteps2) );
379 }
380 // fuer radiale FV
381 else
382 {
383 // fuer axiale FV muss die letzte Farbe der ersten
384 // Farbe entsprechen
385 // #107350# Setting end color one step earlier, as the
386 // last time we get here, we drop out of the loop later
387 // on.
388 if ( i >= nSteps )
389 {
390 nRed = (UINT8)nEndRed;
391 nGreen = (UINT8)nEndGreen;
392 nBlue = (UINT8)nEndBlue;
393 }
394 else
395 {
396 if ( i <= nStepsHalf )
397 {
398 nRed = ImplGetGradientColorValue( nEndRed-((nRedSteps*i)/nSteps2) );
399 nGreen = ImplGetGradientColorValue( nEndGreen-((nGreenSteps*i)/nSteps2) );
400 nBlue = ImplGetGradientColorValue( nEndBlue-((nBlueSteps*i)/nSteps2) );
401 }
402 // genau die Mitte und hoeher
403 else
404 {
405 long i2 = i - nStepsHalf;
406 nRed = ImplGetGradientColorValue( nStartRed+((nRedSteps*i2)/nSteps2) );
407 nGreen = ImplGetGradientColorValue( nStartGreen+((nGreenSteps*i2)/nSteps2) );
408 nBlue = ImplGetGradientColorValue( nStartBlue+((nBlueSteps*i2)/nSteps2) );
409 }
410 }
411 }
412
413 if ( bMtf )
414 mpMetaFile->AddAction( new MetaFillColorAction( Color( nRed, nGreen, nBlue ), TRUE ) );
415 else
416 mpGraphics->SetFillColor( MAKE_SALCOLOR( nRed, nGreen, nBlue ) );
417 }
418 }
419
420 // -----------------------------------------------------------------------
421
422 void OutputDevice::ImplDrawComplexGradient( const Rectangle& rRect,
423 const Gradient& rGradient,
424 BOOL bMtf, const PolyPolygon* pClipPolyPoly )
425 {
426 // Feststellen ob Ausgabe ueber Polygon oder PolyPolygon
427 // Bei Rasteroperationen ungleich Overpaint immer PolyPolygone,
428 // da es zu falschen Ergebnissen kommt, wenn man mehrfach uebereinander
429 // ausgibt
430 // Bei Druckern auch immer PolyPolygone, da nicht alle Drucker
431 // das Uebereinanderdrucken von Polygonen koennen
432 // Virtuelle Device werden auch ausgeklammert, da einige Treiber
433 // ansonsten zu langsam sind
434 PolyPolygon* pPolyPoly;
435 Rectangle aRect( rRect );
436 Color aStartCol( rGradient.GetStartColor() );
437 Color aEndCol( rGradient.GetEndColor() );
438 long nStartRed = ( (long) aStartCol.GetRed() * rGradient.GetStartIntensity() ) / 100;
439 long nStartGreen = ( (long) aStartCol.GetGreen() * rGradient.GetStartIntensity() ) / 100;
440 long nStartBlue = ( (long) aStartCol.GetBlue() * rGradient.GetStartIntensity() ) / 100;
441 long nEndRed = ( (long) aEndCol.GetRed() * rGradient.GetEndIntensity() ) / 100;
442 long nEndGreen = ( (long) aEndCol.GetGreen() * rGradient.GetEndIntensity() ) / 100;
443 long nEndBlue = ( (long) aEndCol.GetBlue() * rGradient.GetEndIntensity() ) / 100;
444 long nRedSteps = nEndRed - nStartRed;
445 long nGreenSteps = nEndGreen - nStartGreen;
446 long nBlueSteps = nEndBlue - nStartBlue;
447 long nStepCount = rGradient.GetSteps();
448 USHORT nAngle = rGradient.GetAngle() % 3600;
449
450 if( (meRasterOp != ROP_OVERPAINT) || (meOutDevType != OUTDEV_WINDOW) || bMtf )
451 pPolyPoly = new PolyPolygon( 2 );
452 else
453 pPolyPoly = NULL;
454
455 if( rGradient.GetStyle() == GRADIENT_SQUARE || rGradient.GetStyle() == GRADIENT_RECT )
456 {
457 const double fAngle = nAngle * F_PI1800;
458 const double fWidth = aRect.GetWidth();
459 const double fHeight = aRect.GetHeight();
460 double fDX = fWidth * fabs( cos( fAngle ) ) + fHeight * fabs( sin( fAngle ) );
461 double fDY = fHeight * fabs( cos( fAngle ) ) + fWidth * fabs( sin( fAngle ) );
462
463 fDX = ( fDX - fWidth ) * 0.5 + 0.5;
464 fDY = ( fDY - fHeight ) * 0.5 + 0.5;
465
466 aRect.Left() -= (long) fDX;
467 aRect.Right() += (long) fDX;
468 aRect.Top() -= (long) fDY;
469 aRect.Bottom() += (long) fDY;
470 }
471
472 Size aSize( aRect.GetSize() );
473
474 if( rGradient.GetStyle() == GRADIENT_RADIAL )
475 {
476 // Radien-Berechnung fuer Kreis
477 aSize.Width() = (long)(0.5 + sqrt((double)aSize.Width()*(double)aSize.Width() + (double)aSize.Height()*(double)aSize.Height()));
478 aSize.Height() = aSize.Width();
479 }
480 else if( rGradient.GetStyle() == GRADIENT_ELLIPTICAL )
481 {
482 // Radien-Berechnung fuer Ellipse
483 aSize.Width() = (long)( 0.5 + (double) aSize.Width() * 1.4142 );
484 aSize.Height() = (long)( 0.5 + (double) aSize.Height() * 1.4142 );
485 }
486 else if( rGradient.GetStyle() == GRADIENT_SQUARE )
487 {
488 if ( aSize.Width() > aSize.Height() )
489 aSize.Height() = aSize.Width();
490 else
491 aSize.Width() = aSize.Height();
492 }
493
494 // neue Mittelpunkte berechnen
495 long nZWidth = aRect.GetWidth() * (long) rGradient.GetOfsX() / 100;
496 long nZHeight = aRect.GetHeight() * (long) rGradient.GetOfsY() / 100;
497 long nBorderX = (long) rGradient.GetBorder() * aSize.Width() / 100;
498 long nBorderY = (long) rGradient.GetBorder() * aSize.Height() / 100;
499 Point aCenter( aRect.Left() + nZWidth, aRect.Top() + nZHeight );
500
501 // Rand beruecksichtigen
502 aSize.Width() -= nBorderX;
503 aSize.Height() -= nBorderY;
504
505 // Ausgaberechteck neu setzen
506 aRect.Left() = aCenter.X() - ( aSize.Width() >> 1 );
507 aRect.Top() = aCenter.Y() - ( aSize.Height() >> 1 );
508
509 aRect.SetSize( aSize );
510 long nMinRect = Min( aRect.GetWidth(), aRect.GetHeight() );
511
512 // Anzahl der Schritte berechnen, falls nichts uebergeben wurde
513 if( !nStepCount )
514 {
515 long nInc;
516
517 if ( meOutDevType != OUTDEV_PRINTER && !bMtf )
518 {
519 nInc = ( nMinRect < 50 ) ? 2 : 4;
520 }
521 else
522 {
523 // #105998# Use display-equivalent step size calculation
524 nInc = (nMinRect < 800) ? 10 : 20;
525 }
526
527 if( !nInc )
528 nInc = 1;
529
530 nStepCount = nMinRect / nInc;
531 }
532
533 // minimal drei Schritte und maximal die Anzahl der Farbunterschiede
534 long nSteps = Max( nStepCount, 2L );
535 long nCalcSteps = Abs( nRedSteps );
536 long nTempSteps = Abs( nGreenSteps );
537 if ( nTempSteps > nCalcSteps )
538 nCalcSteps = nTempSteps;
539 nTempSteps = Abs( nBlueSteps );
540 if ( nTempSteps > nCalcSteps )
541 nCalcSteps = nTempSteps;
542 if ( nCalcSteps < nSteps )
543 nSteps = nCalcSteps;
544 if ( !nSteps )
545 nSteps = 1;
546
547 // Ausgabebegrenzungen und Schrittweite fuer jede Richtung festlegen
548 Polygon aPoly;
549 double fScanLeft = aRect.Left();
550 double fScanTop = aRect.Top();
551 double fScanRight = aRect.Right();
552 double fScanBottom = aRect.Bottom();
553 double fScanInc = (double) nMinRect / (double) nSteps * 0.5;
554 UINT8 nRed = (UINT8) nStartRed, nGreen = (UINT8) nStartGreen, nBlue = (UINT8) nStartBlue;
555 bool bPaintLastPolygon( false ); // #107349# Paint last polygon only if loop has generated any output
556
557 if( bMtf )
558 mpMetaFile->AddAction( new MetaFillColorAction( Color( nRed, nGreen, nBlue ), TRUE ) );
559 else
560 mpGraphics->SetFillColor( MAKE_SALCOLOR( nRed, nGreen, nBlue ) );
561
562 if( pPolyPoly )
563 {
564 pPolyPoly->Insert( aPoly = rRect );
565 pPolyPoly->Insert( aPoly );
566 }
567 else
568 {
569 // extend rect, to avoid missing bounding line
570 Rectangle aExtRect( rRect );
571
572 aExtRect.Left() -= 1;
573 aExtRect.Top() -= 1;
574 aExtRect.Right() += 1;
575 aExtRect.Bottom() += 1;
576
577 ImplDrawPolygon( aPoly = aExtRect, pClipPolyPoly );
578 }
579
580 // Schleife, um nacheinander die Polygone/PolyPolygone auszugeben
581 for( long i = 1; i < nSteps; i++ )
582 {
583 // neues Polygon berechnen
584 aRect.Left() = (long)( fScanLeft += fScanInc );
585 aRect.Top() = (long)( fScanTop += fScanInc );
586 aRect.Right() = (long)( fScanRight -= fScanInc );
587 aRect.Bottom() = (long)( fScanBottom -= fScanInc );
588
589 if( ( aRect.GetWidth() < 2 ) || ( aRect.GetHeight() < 2 ) )
590 break;
591
592 if( rGradient.GetStyle() == GRADIENT_RADIAL || rGradient.GetStyle() == GRADIENT_ELLIPTICAL )
593 aPoly = Polygon( aRect.Center(), aRect.GetWidth() >> 1, aRect.GetHeight() >> 1 );
594 else
595 aPoly = Polygon( aRect );
596
597 aPoly.Rotate( aCenter, nAngle );
598
599 // Farbe entsprechend anpassen
600 const long nStepIndex = ( ( pPolyPoly != NULL ) ? i : ( i + 1 ) );
601 nRed = ImplGetGradientColorValue( nStartRed + ( ( nRedSteps * nStepIndex ) / nSteps ) );
602 nGreen = ImplGetGradientColorValue( nStartGreen + ( ( nGreenSteps * nStepIndex ) / nSteps ) );
603 nBlue = ImplGetGradientColorValue( nStartBlue + ( ( nBlueSteps * nStepIndex ) / nSteps ) );
604
605 // entweder langsame PolyPolygon-Ausgaben oder schnelles Polygon-Painting
606 if( pPolyPoly )
607 {
608 bPaintLastPolygon = true; // #107349# Paint last polygon only if loop has generated any output
609
610 pPolyPoly->Replace( pPolyPoly->GetObject( 1 ), 0 );
611 pPolyPoly->Replace( aPoly, 1 );
612
613 if( bMtf )
614 mpMetaFile->AddAction( new MetaPolyPolygonAction( *pPolyPoly ) );
615 else
616 ImplDrawPolyPolygon( *pPolyPoly, pClipPolyPoly );
617
618 // #107349# Set fill color _after_ geometry painting:
619 // pPolyPoly's geometry is the band from last iteration's
620 // aPoly to current iteration's aPoly. The window outdev
621 // path (see else below), on the other hand, paints the
622 // full aPoly. Thus, here, we're painting the band before
623 // the one painted in the window outdev path below. To get
624 // matching colors, have to delay color setting here.
625 if( bMtf )
626 mpMetaFile->AddAction( new MetaFillColorAction( Color( nRed, nGreen, nBlue ), TRUE ) );
627 else
628 mpGraphics->SetFillColor( MAKE_SALCOLOR( nRed, nGreen, nBlue ) );
629 }
630 else
631 {
632 // #107349# Set fill color _before_ geometry painting
633 if( bMtf )
634 mpMetaFile->AddAction( new MetaFillColorAction( Color( nRed, nGreen, nBlue ), TRUE ) );
635 else
636 mpGraphics->SetFillColor( MAKE_SALCOLOR( nRed, nGreen, nBlue ) );
637
638 ImplDrawPolygon( aPoly, pClipPolyPoly );
639 }
640 }
641
642 // Falls PolyPolygon-Ausgabe, muessen wir noch ein letztes inneres Polygon zeichnen
643 if( pPolyPoly )
644 {
645 const Polygon& rPoly = pPolyPoly->GetObject( 1 );
646
647 if( !rPoly.GetBoundRect().IsEmpty() )
648 {
649 // #107349# Paint last polygon with end color only if loop
650 // has generated output. Otherwise, the current
651 // (i.e. start) color is taken, to generate _any_ output.
652 if( bPaintLastPolygon )
653 {
654 nRed = ImplGetGradientColorValue( nEndRed );
655 nGreen = ImplGetGradientColorValue( nEndGreen );
656 nBlue = ImplGetGradientColorValue( nEndBlue );
657 }
658
659 if( bMtf )
660 {
661 mpMetaFile->AddAction( new MetaFillColorAction( Color( nRed, nGreen, nBlue ), TRUE ) );
662 mpMetaFile->AddAction( new MetaPolygonAction( rPoly ) );
663 }
664 else
665 {
666 mpGraphics->SetFillColor( MAKE_SALCOLOR( nRed, nGreen, nBlue ) );
667 ImplDrawPolygon( rPoly, pClipPolyPoly );
668 }
669 }
670
671 delete pPolyPoly;
672 }
673 }
674
675 // -----------------------------------------------------------------------
676
677 void OutputDevice::DrawGradient( const Rectangle& rRect,
678 const Gradient& rGradient )
679 {
680 DBG_TRACE( "OutputDevice::DrawGradient()" );
681 DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
682 DBG_CHKOBJ( &rGradient, Gradient, NULL );
683
684 if ( mnDrawMode & DRAWMODE_NOGRADIENT )
685 return;
686 else if ( mnDrawMode & ( DRAWMODE_BLACKGRADIENT | DRAWMODE_WHITEGRADIENT | DRAWMODE_SETTINGSGRADIENT) )
687 {
688 Color aColor;
689
690 if ( mnDrawMode & DRAWMODE_BLACKGRADIENT )
691 aColor = Color( COL_BLACK );
692 else if ( mnDrawMode & DRAWMODE_WHITEGRADIENT )
693 aColor = Color( COL_WHITE );
694 else if ( mnDrawMode & DRAWMODE_SETTINGSGRADIENT )
695 aColor = GetSettings().GetStyleSettings().GetWindowColor();
696
697 if ( mnDrawMode & DRAWMODE_GHOSTEDGRADIENT )
698 {
699 aColor = Color( ( aColor.GetRed() >> 1 ) | 0x80,
700 ( aColor.GetGreen() >> 1 ) | 0x80,
701 ( aColor.GetBlue() >> 1 ) | 0x80 );
702 }
703
704 Push( PUSH_LINECOLOR | PUSH_FILLCOLOR );
705 SetLineColor( aColor );
706 SetFillColor( aColor );
707 DrawRect( rRect );
708 Pop();
709 return;
710 }
711
712 Gradient aGradient( rGradient );
713
714 if ( mnDrawMode & ( DRAWMODE_GRAYGRADIENT | DRAWMODE_GHOSTEDGRADIENT ) )
715 {
716 Color aStartCol( aGradient.GetStartColor() );
717 Color aEndCol( aGradient.GetEndColor() );
718
719 if ( mnDrawMode & DRAWMODE_GRAYGRADIENT )
720 {
721 BYTE cStartLum = aStartCol.GetLuminance(), cEndLum = aEndCol.GetLuminance();
722 aStartCol = Color( cStartLum, cStartLum, cStartLum );
723 aEndCol = Color( cEndLum, cEndLum, cEndLum );
724 }
725
726 if ( mnDrawMode & DRAWMODE_GHOSTEDGRADIENT )
727 {
728 aStartCol = Color( ( aStartCol.GetRed() >> 1 ) | 0x80,
729 ( aStartCol.GetGreen() >> 1 ) | 0x80,
730 ( aStartCol.GetBlue() >> 1 ) | 0x80 );
731
732 aEndCol = Color( ( aEndCol.GetRed() >> 1 ) | 0x80,
733 ( aEndCol.GetGreen() >> 1 ) | 0x80,
734 ( aEndCol.GetBlue() >> 1 ) | 0x80 );
735 }
736
737 aGradient.SetStartColor( aStartCol );
738 aGradient.SetEndColor( aEndCol );
739 }
740
741 if( mpMetaFile )
742 mpMetaFile->AddAction( new MetaGradientAction( rRect, aGradient ) );
743
744 if( !IsDeviceOutputNecessary() || ImplIsRecordLayout() )
745 return;
746
747 // Rechteck in Pixel umrechnen
748 Rectangle aRect( ImplLogicToDevicePixel( rRect ) );
749 aRect.Justify();
750
751 // Wenn Rechteck leer ist, brauchen wir nichts machen
752 if ( !aRect.IsEmpty() )
753 {
754 // Clip Region sichern
755 Push( PUSH_CLIPREGION );
756 IntersectClipRegion( rRect );
757
758 // because we draw with no border line, we have to expand gradient
759 // rect to avoid missing lines on the right and bottom edge
760 aRect.Left()--;
761 aRect.Top()--;
762 aRect.Right()++;
763 aRect.Bottom()++;
764
765 // we need a graphics
766 if ( !mpGraphics )
767 {
768 if ( !ImplGetGraphics() )
769 return;
770 }
771
772 if ( mbInitClipRegion )
773 ImplInitClipRegion();
774
775 if ( !mbOutputClipped )
776 {
777 // Gradienten werden ohne Umrandung gezeichnet
778 if ( mbLineColor || mbInitLineColor )
779 {
780 mpGraphics->SetLineColor();
781 mbInitLineColor = TRUE;
782 }
783
784 mbInitFillColor = TRUE;
785
786 // calculate step count if neccessary
787 if ( !aGradient.GetSteps() )
788 aGradient.SetSteps( GRADIENT_DEFAULT_STEPCOUNT );
789
790 if( aGradient.GetStyle() == GRADIENT_LINEAR || aGradient.GetStyle() == GRADIENT_AXIAL )
791 ImplDrawLinearGradient( aRect, aGradient, FALSE, NULL );
792 else
793 ImplDrawComplexGradient( aRect, aGradient, FALSE, NULL );
794 }
795
796 Pop();
797 }
798
799 if( mpAlphaVDev )
800 {
801 // #i32109#: Make gradient area opaque
802 mpAlphaVDev->ImplFillOpaqueRectangle( rRect );
803 }
804 }
805
806 // -----------------------------------------------------------------------
807
808 void OutputDevice::DrawGradient( const PolyPolygon& rPolyPoly,
809 const Gradient& rGradient )
810 {
811 DBG_TRACE( "OutputDevice::DrawGradient()" );
812 DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
813 DBG_CHKOBJ( &rGradient, Gradient, NULL );
814
815 if( mbInitClipRegion )
816 ImplInitClipRegion();
817
818 if( mbOutputClipped )
819 return;
820
821 if( !mpGraphics )
822 if( !ImplGetGraphics() )
823 return;
824
825 if( rPolyPoly.Count() && rPolyPoly[ 0 ].GetSize() && !( mnDrawMode & DRAWMODE_NOGRADIENT ) )
826 {
827 if ( mnDrawMode & ( DRAWMODE_BLACKGRADIENT | DRAWMODE_WHITEGRADIENT | DRAWMODE_SETTINGSGRADIENT) )
828 {
829 Color aColor;
830
831 if ( mnDrawMode & DRAWMODE_BLACKGRADIENT )
832 aColor = Color( COL_BLACK );
833 else if ( mnDrawMode & DRAWMODE_WHITEGRADIENT )
834 aColor = Color( COL_WHITE );
835 else if ( mnDrawMode & DRAWMODE_SETTINGSGRADIENT )
836 aColor = GetSettings().GetStyleSettings().GetWindowColor();
837
838 if ( mnDrawMode & DRAWMODE_GHOSTEDGRADIENT )
839 {
840 aColor = Color( ( aColor.GetRed() >> 1 ) | 0x80,
841 ( aColor.GetGreen() >> 1 ) | 0x80,
842 ( aColor.GetBlue() >> 1 ) | 0x80 );
843 }
844
845 Push( PUSH_LINECOLOR | PUSH_FILLCOLOR );
846 SetLineColor( aColor );
847 SetFillColor( aColor );
848 DrawPolyPolygon( rPolyPoly );
849 Pop();
850 return;
851 }
852
853 if( mpMetaFile )
854 {
855 const Rectangle aRect( rPolyPoly.GetBoundRect() );
856
857 mpMetaFile->AddAction( new MetaCommentAction( "XGRAD_SEQ_BEGIN" ) );
858 mpMetaFile->AddAction( new MetaGradientExAction( rPolyPoly, rGradient ) );
859
860 if( OUTDEV_PRINTER == meOutDevType )
861 {
862 Push( PUSH_CLIPREGION );
863 IntersectClipRegion( rPolyPoly );
864 DrawGradient( aRect, rGradient );
865 Pop();
866 }
867 else
868 {
869 const BOOL bOldOutput = IsOutputEnabled();
870
871 EnableOutput( FALSE );
872 Push( PUSH_RASTEROP );
873 SetRasterOp( ROP_XOR );
874 DrawGradient( aRect, rGradient );
875 SetFillColor( COL_BLACK );
876 SetRasterOp( ROP_0 );
877 DrawPolyPolygon( rPolyPoly );
878 SetRasterOp( ROP_XOR );
879 DrawGradient( aRect, rGradient );
880 Pop();
881 EnableOutput( bOldOutput );
882 }
883
884 mpMetaFile->AddAction( new MetaCommentAction( "XGRAD_SEQ_END" ) );
885 }
886
887 if( !IsDeviceOutputNecessary() || ImplIsRecordLayout() )
888 return;
889
890 Gradient aGradient( rGradient );
891
892 if ( mnDrawMode & ( DRAWMODE_GRAYGRADIENT | DRAWMODE_GHOSTEDGRADIENT ) )
893 {
894 Color aStartCol( aGradient.GetStartColor() );
895 Color aEndCol( aGradient.GetEndColor() );
896
897 if ( mnDrawMode & DRAWMODE_GRAYGRADIENT )
898 {
899 BYTE cStartLum = aStartCol.GetLuminance(), cEndLum = aEndCol.GetLuminance();
900 aStartCol = Color( cStartLum, cStartLum, cStartLum );
901 aEndCol = Color( cEndLum, cEndLum, cEndLum );
902 }
903
904 if ( mnDrawMode & DRAWMODE_GHOSTEDGRADIENT )
905 {
906 aStartCol = Color( ( aStartCol.GetRed() >> 1 ) | 0x80,
907 ( aStartCol.GetGreen() >> 1 ) | 0x80,
908 ( aStartCol.GetBlue() >> 1 ) | 0x80 );
909
910 aEndCol = Color( ( aEndCol.GetRed() >> 1 ) | 0x80,
911 ( aEndCol.GetGreen() >> 1 ) | 0x80,
912 ( aEndCol.GetBlue() >> 1 ) | 0x80 );
913 }
914
915 aGradient.SetStartColor( aStartCol );
916 aGradient.SetEndColor( aEndCol );
917 }
918
919 if( OUTDEV_PRINTER == meOutDevType || ImplGetSVData()->maGDIData.mbNoXORClipping )
920 {
921 const Rectangle aBoundRect( rPolyPoly.GetBoundRect() );
922
923 if( !Rectangle( PixelToLogic( Point() ), GetOutputSize() ).IsEmpty() )
924 {
925 // Rechteck in Pixel umrechnen
926 Rectangle aRect( ImplLogicToDevicePixel( aBoundRect ) );
927 aRect.Justify();
928
929 // Wenn Rechteck leer ist, brauchen wir nichts machen
930 if ( !aRect.IsEmpty() )
931 {
932 if( !mpGraphics && !ImplGetGraphics() )
933 return;
934
935 if( mbInitClipRegion )
936 ImplInitClipRegion();
937
938 if( !mbOutputClipped )
939 {
940 PolyPolygon aClipPolyPoly( ImplLogicToDevicePixel( rPolyPoly ) );
941
942 // Gradienten werden ohne Umrandung gezeichnet
943 if( mbLineColor || mbInitLineColor )
944 {
945 mpGraphics->SetLineColor();
946 mbInitLineColor = TRUE;
947 }
948
949 mbInitFillColor = TRUE;
950
951 // calculate step count if neccessary
952 if ( !aGradient.GetSteps() )
953 aGradient.SetSteps( GRADIENT_DEFAULT_STEPCOUNT );
954
955 if( aGradient.GetStyle() == GRADIENT_LINEAR || aGradient.GetStyle() == GRADIENT_AXIAL )
956 ImplDrawLinearGradient( aRect, aGradient, FALSE, &aClipPolyPoly );
957 else
958 ImplDrawComplexGradient( aRect, aGradient, FALSE, &aClipPolyPoly );
959 }
960 }
961 }
962 }
963 else
964 {
965 const PolyPolygon aPolyPoly( LogicToPixel( rPolyPoly ) );
966 const Rectangle aBoundRect( aPolyPoly.GetBoundRect() );
967 Point aPoint;
968 Rectangle aDstRect( aPoint, GetOutputSizePixel() );
969
970 aDstRect.Intersection( aBoundRect );
971
972 if( OUTDEV_WINDOW == meOutDevType )
973 {
974 const Region aPaintRgn( ( (Window*) this )->GetPaintRegion() );
975
976 if( !aPaintRgn.IsNull() )
977 aDstRect.Intersection( LogicToPixel( aPaintRgn ).GetBoundRect() );
978 }
979
980 if( !aDstRect.IsEmpty() )
981 {
982 VirtualDevice* pVDev;
983 const Size aDstSize( aDstRect.GetSize() );
984
985 if( HasAlpha() )
986 {
987 // #110958# Pay attention to alpha VDevs here, otherwise,
988 // background will be wrong: Temp VDev has to have alpha, too.
989 pVDev = new VirtualDevice( *this, 0, GetAlphaBitCount() > 1 ? 0 : 1 );
990 }
991 else
992 {
993 // nothing special here. Plain VDev
994 pVDev = new VirtualDevice();
995 }
996
997 if( pVDev->SetOutputSizePixel( aDstSize) )
998 {
999 MapMode aVDevMap;
1000 const BOOL bOldMap = mbMap;
1001
1002 EnableMapMode( FALSE );
1003
1004 pVDev->DrawOutDev( Point(), aDstSize, aDstRect.TopLeft(), aDstSize, *this );
1005 pVDev->SetRasterOp( ROP_XOR );
1006 aVDevMap.SetOrigin( Point( -aDstRect.Left(), -aDstRect.Top() ) );
1007 pVDev->SetMapMode( aVDevMap );
1008 pVDev->DrawGradient( aBoundRect, aGradient );
1009 pVDev->SetFillColor( COL_BLACK );
1010 pVDev->SetRasterOp( ROP_0 );
1011 pVDev->DrawPolyPolygon( aPolyPoly );
1012 pVDev->SetRasterOp( ROP_XOR );
1013 pVDev->DrawGradient( aBoundRect, aGradient );
1014 aVDevMap.SetOrigin( Point() );
1015 pVDev->SetMapMode( aVDevMap );
1016 DrawOutDev( aDstRect.TopLeft(), aDstSize, Point(), aDstSize, *pVDev );
1017
1018 EnableMapMode( bOldMap );
1019 }
1020
1021 delete pVDev;
1022 }
1023 }
1024 }
1025
1026 if( mpAlphaVDev )
1027 mpAlphaVDev->DrawPolyPolygon( rPolyPoly );
1028 }
1029
1030 // -----------------------------------------------------------------------
1031
1032 void OutputDevice::AddGradientActions( const Rectangle& rRect, const Gradient& rGradient,
1033 GDIMetaFile& rMtf )
1034 {
1035 DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
1036 DBG_CHKOBJ( &rGradient, Gradient, NULL );
1037
1038 Rectangle aRect( rRect );
1039
1040 aRect.Justify();
1041
1042 // Wenn Rechteck leer ist, brauchen wir nichts machen
1043 if ( !aRect.IsEmpty() )
1044 {
1045 Gradient aGradient( rGradient );
1046 GDIMetaFile* pOldMtf = mpMetaFile;
1047
1048 mpMetaFile = &rMtf;
1049 mpMetaFile->AddAction( new MetaPushAction( PUSH_ALL ) );
1050 mpMetaFile->AddAction( new MetaISectRectClipRegionAction( aRect ) );
1051 mpMetaFile->AddAction( new MetaLineColorAction( Color(), FALSE ) );
1052
1053 // because we draw with no border line, we have to expand gradient
1054 // rect to avoid missing lines on the right and bottom edge
1055 aRect.Left()--;
1056 aRect.Top()--;
1057 aRect.Right()++;
1058 aRect.Bottom()++;
1059
1060 // calculate step count if neccessary
1061 if ( !aGradient.GetSteps() )
1062 aGradient.SetSteps( GRADIENT_DEFAULT_STEPCOUNT );
1063
1064 if( aGradient.GetStyle() == GRADIENT_LINEAR || aGradient.GetStyle() == GRADIENT_AXIAL )
1065 ImplDrawLinearGradient( aRect, aGradient, TRUE, NULL );
1066 else
1067 ImplDrawComplexGradient( aRect, aGradient, TRUE, NULL );
1068
1069 mpMetaFile->AddAction( new MetaPopAction() );
1070 mpMetaFile = pOldMtf;
1071 }
1072 }
1073
1074 // -----------------------------------------------------------------------
1075
1076 void OutputDevice::DrawHatch( const PolyPolygon& rPolyPoly, const Hatch& rHatch )
1077 {
1078 DBG_TRACE( "OutputDevice::DrawHatch()" );
1079 DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
1080
1081 Hatch aHatch( rHatch );
1082
1083 if ( mnDrawMode & ( DRAWMODE_BLACKLINE | DRAWMODE_WHITELINE |
1084 DRAWMODE_GRAYLINE | DRAWMODE_GHOSTEDLINE |
1085 DRAWMODE_SETTINGSLINE ) )
1086 {
1087 Color aColor( rHatch.GetColor() );
1088
1089 if ( mnDrawMode & DRAWMODE_BLACKLINE )
1090 aColor = Color( COL_BLACK );
1091 else if ( mnDrawMode & DRAWMODE_WHITELINE )
1092 aColor = Color( COL_WHITE );
1093 else if ( mnDrawMode & DRAWMODE_GRAYLINE )
1094 {
1095 const UINT8 cLum = aColor.GetLuminance();
1096 aColor = Color( cLum, cLum, cLum );
1097 }
1098 else if( mnDrawMode & DRAWMODE_SETTINGSLINE )
1099 {
1100 aColor = GetSettings().GetStyleSettings().GetFontColor();
1101 }
1102
1103 if ( mnDrawMode & DRAWMODE_GHOSTEDLINE )
1104 {
1105 aColor = Color( ( aColor.GetRed() >> 1 ) | 0x80,
1106 ( aColor.GetGreen() >> 1 ) | 0x80,
1107 ( aColor.GetBlue() >> 1 ) | 0x80);
1108 }
1109
1110 aHatch.SetColor( aColor );
1111 }
1112
1113 if( mpMetaFile )
1114 mpMetaFile->AddAction( new MetaHatchAction( rPolyPoly, aHatch ) );
1115
1116 if( !IsDeviceOutputNecessary() || ImplIsRecordLayout() )
1117 return;
1118
1119 if( !mpGraphics && !ImplGetGraphics() )
1120 return;
1121
1122 if( mbInitClipRegion )
1123 ImplInitClipRegion();
1124
1125 if( mbOutputClipped )
1126 return;
1127
1128 if( rPolyPoly.Count() )
1129 {
1130 PolyPolygon aPolyPoly( LogicToPixel( rPolyPoly ) );
1131 GDIMetaFile* pOldMetaFile = mpMetaFile;
1132 BOOL bOldMap = mbMap;
1133
1134 aPolyPoly.Optimize( POLY_OPTIMIZE_NO_SAME );
1135 aHatch.SetDistance( ImplLogicWidthToDevicePixel( aHatch.GetDistance() ) );
1136
1137 mpMetaFile = NULL;
1138 EnableMapMode( FALSE );
1139 Push( PUSH_LINECOLOR );
1140 SetLineColor( aHatch.GetColor() );
1141 ImplInitLineColor();
1142 ImplDrawHatch( aPolyPoly, aHatch, FALSE );
1143 Pop();
1144 EnableMapMode( bOldMap );
1145 mpMetaFile = pOldMetaFile;
1146 }
1147
1148 if( mpAlphaVDev )
1149 mpAlphaVDev->DrawHatch( rPolyPoly, rHatch );
1150 }
1151
1152 // -----------------------------------------------------------------------
1153
1154 void OutputDevice::AddHatchActions( const PolyPolygon& rPolyPoly, const Hatch& rHatch,
1155 GDIMetaFile& rMtf )
1156 {
1157 DBG_CHKTHIS( OutputDevice, ImplDbgCheckOutputDevice );
1158
1159 PolyPolygon aPolyPoly( rPolyPoly );
1160 aPolyPoly.Optimize( POLY_OPTIMIZE_NO_SAME | POLY_OPTIMIZE_CLOSE );
1161
1162 if( aPolyPoly.Count() )
1163 {
1164 GDIMetaFile* pOldMtf = mpMetaFile;
1165
1166 mpMetaFile = &rMtf;
1167 mpMetaFile->AddAction( new MetaPushAction( PUSH_ALL ) );
1168 mpMetaFile->AddAction( new MetaLineColorAction( rHatch.GetColor(), TRUE ) );
1169 ImplDrawHatch( aPolyPoly, rHatch, TRUE );
1170 mpMetaFile->AddAction( new MetaPopAction() );
1171 mpMetaFile = pOldMtf;
1172 }
1173 }
1174
1175 // -----------------------------------------------------------------------
1176
1177 void OutputDevice::ImplDrawHatch( const PolyPolygon& rPolyPoly, const Hatch& rHatch, BOOL bMtf )
1178 {
1179 Rectangle aRect( rPolyPoly.GetBoundRect() );
1180 const long nLogPixelWidth = ImplDevicePixelToLogicWidth( 1 );
1181 const long nWidth = ImplDevicePixelToLogicWidth( Max( ImplLogicWidthToDevicePixel( rHatch.GetDistance() ), 3L ) );
1182 Point* pPtBuffer = new Point[ HATCH_MAXPOINTS ];
1183 Point aPt1, aPt2, aEndPt1;
1184 Size aInc;
1185
1186 // Single hatch
1187 aRect.Left() -= nLogPixelWidth; aRect.Top() -= nLogPixelWidth; aRect.Right() += nLogPixelWidth; aRect.Bottom() += nLogPixelWidth;
1188 ImplCalcHatchValues( aRect, nWidth, rHatch.GetAngle(), aPt1, aPt2, aInc, aEndPt1 );
1189 do
1190 {
1191 ImplDrawHatchLine( Line( aPt1, aPt2 ), rPolyPoly, pPtBuffer, bMtf );
1192 aPt1.X() += aInc.Width(); aPt1.Y() += aInc.Height();
1193 aPt2.X() += aInc.Width(); aPt2.Y() += aInc.Height();
1194 }
1195 while( ( aPt1.X() <= aEndPt1.X() ) && ( aPt1.Y() <= aEndPt1.Y() ) );
1196
1197 if( ( rHatch.GetStyle() == HATCH_DOUBLE ) || ( rHatch.GetStyle() == HATCH_TRIPLE ) )
1198 {
1199 // Double hatch
1200 ImplCalcHatchValues( aRect, nWidth, rHatch.GetAngle() + 900, aPt1, aPt2, aInc, aEndPt1 );
1201 do
1202 {
1203 ImplDrawHatchLine( Line( aPt1, aPt2 ), rPolyPoly, pPtBuffer, bMtf );
1204 aPt1.X() += aInc.Width(); aPt1.Y() += aInc.Height();
1205 aPt2.X() += aInc.Width(); aPt2.Y() += aInc.Height();
1206 }
1207 while( ( aPt1.X() <= aEndPt1.X() ) && ( aPt1.Y() <= aEndPt1.Y() ) );
1208
1209 if( rHatch.GetStyle() == HATCH_TRIPLE )
1210 {
1211 // Triple hatch
1212 ImplCalcHatchValues( aRect, nWidth, rHatch.GetAngle() + 450, aPt1, aPt2, aInc, aEndPt1 );
1213 do
1214 {
1215 ImplDrawHatchLine( Line( aPt1, aPt2 ), rPolyPoly, pPtBuffer, bMtf );
1216 aPt1.X() += aInc.Width(); aPt1.Y() += aInc.Height();
1217 aPt2.X() += aInc.Width(); aPt2.Y() += aInc.Height();
1218 }
1219 while( ( aPt1.X() <= aEndPt1.X() ) && ( aPt1.Y() <= aEndPt1.Y() ) );
1220 }
1221 }
1222
1223 delete[] pPtBuffer;
1224 }
1225
1226 // -----------------------------------------------------------------------
1227
1228 void OutputDevice::ImplCalcHatchValues( const Rectangle& rRect, long nDist, USHORT nAngle10,
1229 Point& rPt1, Point& rPt2, Size& rInc, Point& rEndPt1 )
1230 {
1231 Point aRef;
1232 long nAngle = nAngle10 % 1800;
1233 long nOffset = 0;
1234
1235 if( nAngle > 900 )
1236 nAngle -= 1800;
1237
1238 aRef = ( !IsRefPoint() ? rRect.TopLeft() : GetRefPoint() );
1239
1240 if( 0 == nAngle )
1241 {
1242 rInc = Size( 0, nDist );
1243 rPt1 = rRect.TopLeft();
1244 rPt2 = rRect.TopRight();
1245 rEndPt1 = rRect.BottomLeft();
1246
1247 if( aRef.Y() <= rRect.Top() )
1248 nOffset = ( ( rRect.Top() - aRef.Y() ) % nDist );
1249 else
1250 nOffset = ( nDist - ( ( aRef.Y() - rRect.Top() ) % nDist ) );
1251
1252 rPt1.Y() -= nOffset;
1253 rPt2.Y() -= nOffset;
1254 }
1255 else if( 900 == nAngle )
1256 {
1257 rInc = Size( nDist, 0 );
1258 rPt1 = rRect.TopLeft();
1259 rPt2 = rRect.BottomLeft();
1260 rEndPt1 = rRect.TopRight();
1261
1262 if( aRef.X() <= rRect.Left() )
1263 nOffset = ( rRect.Left() - aRef.X() ) % nDist;
1264 else
1265 nOffset = nDist - ( ( aRef.X() - rRect.Left() ) % nDist );
1266
1267 rPt1.X() -= nOffset;
1268 rPt2.X() -= nOffset;
1269 }
1270 else if( nAngle >= -450 && nAngle <= 450 )
1271 {
1272 const double fAngle = F_PI1800 * labs( nAngle );
1273 const double fTan = tan( fAngle );
1274 const long nYOff = FRound( ( rRect.Right() - rRect.Left() ) * fTan );
1275 long nPY;
1276
1277 rInc = Size( 0, nDist = FRound( nDist / cos( fAngle ) ) );
1278
1279 if( nAngle > 0 )
1280 {
1281 rPt1 = rRect.TopLeft();
1282 rPt2 = Point( rRect.Right(), rRect.Top() - nYOff );
1283 rEndPt1 = Point( rRect.Left(), rRect.Bottom() + nYOff );
1284 nPY = FRound( aRef.Y() - ( ( rPt1.X() - aRef.X() ) * fTan ) );
1285 }
1286 else
1287 {
1288 rPt1 = rRect.TopRight();
1289 rPt2 = Point( rRect.Left(), rRect.Top() - nYOff );
1290 rEndPt1 = Point( rRect.Right(), rRect.Bottom() + nYOff );
1291 nPY = FRound( aRef.Y() + ( ( rPt1.X() - aRef.X() ) * fTan ) );
1292 }
1293
1294 if( nPY <= rPt1.Y() )
1295 nOffset = ( rPt1.Y() - nPY ) % nDist;
1296 else
1297 nOffset = nDist - ( ( nPY - rPt1.Y() ) % nDist );
1298
1299 rPt1.Y() -= nOffset;
1300 rPt2.Y() -= nOffset;
1301 }
1302 else
1303 {
1304 const double fAngle = F_PI1800 * labs( nAngle );
1305 const double fTan = tan( fAngle );
1306 const long nXOff = FRound( ( rRect.Bottom() - rRect.Top() ) / fTan );
1307 long nPX;
1308
1309 rInc = Size( nDist = FRound( nDist / sin( fAngle ) ), 0 );
1310
1311 if( nAngle > 0 )
1312 {
1313 rPt1 = rRect.TopLeft();
1314 rPt2 = Point( rRect.Left() - nXOff, rRect.Bottom() );
1315 rEndPt1 = Point( rRect.Right() + nXOff, rRect.Top() );
1316 nPX = FRound( aRef.X() - ( ( rPt1.Y() - aRef.Y() ) / fTan ) );
1317 }
1318 else
1319 {
1320 rPt1 = rRect.BottomLeft();
1321 rPt2 = Point( rRect.Left() - nXOff, rRect.Top() );
1322 rEndPt1 = Point( rRect.Right() + nXOff, rRect.Bottom() );
1323 nPX = FRound( aRef.X() + ( ( rPt1.Y() - aRef.Y() ) / fTan ) );
1324 }
1325
1326 if( nPX <= rPt1.X() )
1327 nOffset = ( rPt1.X() - nPX ) % nDist;
1328 else
1329 nOffset = nDist - ( ( nPX - rPt1.X() ) % nDist );
1330
1331 rPt1.X() -= nOffset;
1332 rPt2.X() -= nOffset;
1333 }
1334 }
1335
1336 // ------------------------------------------------------------------------
1337
1338 void OutputDevice::ImplDrawHatchLine( const Line& rLine, const PolyPolygon& rPolyPoly,
1339 Point* pPtBuffer, BOOL bMtf )
1340 {
1341 double fX, fY;
1342 long nAdd, nPCounter = 0;
1343
1344 for( long nPoly = 0, nPolyCount = rPolyPoly.Count(); nPoly < nPolyCount; nPoly++ )
1345 {
1346 const Polygon& rPoly = rPolyPoly[ (USHORT) nPoly ];
1347
1348 if( rPoly.GetSize() > 1 )
1349 {
1350 Line aCurSegment( rPoly[ 0 ], Point() );
1351
1352 for( long i = 1, nCount = rPoly.GetSize(); i <= nCount; i++ )
1353 {
1354 aCurSegment.SetEnd( rPoly[ (USHORT)( i % nCount ) ] );
1355 nAdd = 0;
1356
1357 if( rLine.Intersection( aCurSegment, fX, fY ) )
1358 {
1359 if( ( fabs( fX - aCurSegment.GetStart().X() ) <= 0.0000001 ) &&
1360 ( fabs( fY - aCurSegment.GetStart().Y() ) <= 0.0000001 ) )
1361 {
1362 const Line aPrevSegment( rPoly[ (USHORT)( ( i > 1 ) ? ( i - 2 ) : ( nCount - 1 ) ) ], aCurSegment.GetStart() );
1363 const double fPrevDistance = rLine.GetDistance( aPrevSegment.GetStart() );
1364 const double fCurDistance = rLine.GetDistance( aCurSegment.GetEnd() );
1365
1366 if( ( fPrevDistance <= 0.0 && fCurDistance > 0.0 ) ||
1367 ( fPrevDistance > 0.0 && fCurDistance < 0.0 ) )
1368 {
1369 nAdd = 1;
1370 }
1371 }
1372 else if( ( fabs( fX - aCurSegment.GetEnd().X() ) <= 0.0000001 ) &&
1373 ( fabs( fY - aCurSegment.GetEnd().Y() ) <= 0.0000001 ) )
1374 {
1375 const Line aNextSegment( aCurSegment.GetEnd(), rPoly[ (USHORT)( ( i + 1 ) % nCount ) ] );
1376
1377 if( ( fabs( rLine.GetDistance( aNextSegment.GetEnd() ) ) <= 0.0000001 ) &&
1378 ( rLine.GetDistance( aCurSegment.GetStart() ) > 0.0 ) )
1379 {
1380 nAdd = 1;
1381 }
1382 }
1383 else
1384 nAdd = 1;
1385
1386 if( nAdd )
1387 pPtBuffer[ nPCounter++ ] = Point( FRound( fX ), FRound( fY ) );
1388 }
1389
1390 aCurSegment.SetStart( aCurSegment.GetEnd() );
1391 }
1392 }
1393 }
1394
1395 if( nPCounter > 1 )
1396 {
1397 qsort( pPtBuffer, nPCounter, sizeof( Point ), ImplHatchCmpFnc );
1398
1399 if( nPCounter & 1 )
1400 nPCounter--;
1401
1402 if( bMtf )
1403 {
1404 for( long i = 0; i < nPCounter; i += 2 )
1405 mpMetaFile->AddAction( new MetaLineAction( pPtBuffer[ i ], pPtBuffer[ i + 1 ] ) );
1406 }
1407 else
1408 {
1409 for( long i = 0; i < nPCounter; i += 2 )
1410 {
1411 if( mpPDFWriter )
1412 {
1413 mpPDFWriter->drawLine( pPtBuffer[ i ], pPtBuffer[ i+1 ] );
1414 }
1415 else
1416 {
1417 const Point aPt1( ImplLogicToDevicePixel( pPtBuffer[ i ] ) );
1418 const Point aPt2( ImplLogicToDevicePixel( pPtBuffer[ i + 1 ] ) );
1419 mpGraphics->DrawLine( aPt1.X(), aPt1.Y(), aPt2.X(), aPt2.Y(), this );
1420 }
1421 }
1422 }
1423 }
1424 }
vba interoperability for OOo