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1 : /* -*- Mode: C++; tab-width: 4; indent-tabs-mode: nil; c-basic-offset: 4 -*- */
2 : /*
3 : * This file is part of the LibreOffice project.
4 : *
5 : * This Source Code Form is subject to the terms of the Mozilla Public
6 : * License, v. 2.0. If a copy of the MPL was not distributed with this
7 : * file, You can obtain one at http://mozilla.org/MPL/2.0/.
8 : *
9 : * This file incorporates work covered by the following license notice:
10 : *
11 : * Licensed to the Apache Software Foundation (ASF) under one or more
12 : * contributor license agreements. See the NOTICE file distributed
13 : * with this work for additional information regarding copyright
14 : * ownership. The ASF licenses this file to you under the Apache
15 : * License, Version 2.0 (the "License"); you may not use this file
16 : * except in compliance with the License. You may obtain a copy of
17 : * the License at http://www.apache.org/licenses/LICENSE-2.0 .
18 : */
19 : #include <sal/types.h>
20 :
21 : #include <basegfx/matrix/b2dhommatrix.hxx>
22 : #include <basegfx/polygon/b2dpolygontools.hxx>
23 : #include <basegfx/polygon/b2dpolypolygontools.hxx>
24 : #include <boost/scoped_array.hpp>
25 : #include <tools/poly.hxx>
26 : #include <vcl/outdev.hxx>
27 : #include <vcl/virdev.hxx>
28 :
29 : #include "salgdi.hxx"
30 :
31 :
32 : #define OUTDEV_POLYPOLY_STACKBUF 32
33 :
34 175458 : void OutputDevice::DrawPolyPolygon( const tools::PolyPolygon& rPolyPoly )
35 : {
36 :
37 175458 : if( mpMetaFile )
38 2 : mpMetaFile->AddAction( new MetaPolyPolygonAction( rPolyPoly ) );
39 :
40 175458 : sal_uInt16 nPoly = rPolyPoly.Count();
41 :
42 175458 : if ( !IsDeviceOutputNecessary() || (!mbLineColor && !mbFillColor) || !nPoly || ImplIsRecordLayout() )
43 2 : return;
44 :
45 : // we need a graphics
46 175456 : if ( !mpGraphics && !AcquireGraphics() )
47 0 : return;
48 :
49 175456 : if ( mbInitClipRegion )
50 166 : InitClipRegion();
51 :
52 175456 : if ( mbOutputClipped )
53 0 : return;
54 :
55 175456 : if ( mbInitLineColor )
56 15730 : InitLineColor();
57 :
58 175456 : if ( mbInitFillColor )
59 18942 : InitFillColor();
60 :
61 : // use b2dpolygon drawing if possible
62 350930 : if((mnAntialiasing & ANTIALIASING_ENABLE_B2DDRAW) &&
63 18 : mpGraphics->supportsOperation(OutDevSupport_B2DDraw) &&
64 175456 : ROP_OVERPAINT == GetRasterOp() &&
65 0 : (IsLineColor() || IsFillColor()))
66 : {
67 0 : const ::basegfx::B2DHomMatrix aTransform = ImplGetDeviceTransformation();
68 0 : basegfx::B2DPolyPolygon aB2DPolyPolygon(rPolyPoly.getB2DPolyPolygon());
69 0 : bool bSuccess(true);
70 :
71 : // transform the polygon and ensure closed
72 0 : aB2DPolyPolygon.transform(aTransform);
73 0 : aB2DPolyPolygon.setClosed(true);
74 :
75 0 : if(IsFillColor())
76 : {
77 0 : bSuccess = mpGraphics->DrawPolyPolygon(aB2DPolyPolygon, 0.0, this);
78 : }
79 :
80 0 : if(bSuccess && IsLineColor())
81 : {
82 0 : const ::basegfx::B2DVector aB2DLineWidth( 1.0, 1.0 );
83 :
84 0 : if(mnAntialiasing & ANTIALIASING_PIXELSNAPHAIRLINE)
85 : {
86 0 : aB2DPolyPolygon = basegfx::tools::snapPointsOfHorizontalOrVerticalEdges(aB2DPolyPolygon);
87 : }
88 :
89 0 : for(sal_uInt32 a(0); bSuccess && a < aB2DPolyPolygon.count(); a++)
90 : {
91 : bSuccess = mpGraphics->DrawPolyLine( aB2DPolyPolygon.getB2DPolygon(a),
92 : 0.0,
93 : aB2DLineWidth,
94 : basegfx::B2DLINEJOIN_NONE,
95 : css::drawing::LineCap_BUTT,
96 0 : this);
97 0 : }
98 : }
99 :
100 0 : if(bSuccess)
101 : {
102 0 : return;
103 0 : }
104 : }
105 :
106 175456 : if ( nPoly == 1 )
107 : {
108 : // #100127# Map to DrawPolygon
109 173379 : Polygon aPoly = rPolyPoly.GetObject( 0 );
110 173379 : if( aPoly.GetSize() >= 2 )
111 : {
112 173379 : GDIMetaFile* pOldMF = mpMetaFile;
113 173379 : mpMetaFile = NULL;
114 :
115 173379 : DrawPolygon( aPoly );
116 :
117 173379 : mpMetaFile = pOldMF;
118 173379 : }
119 : }
120 : else
121 : {
122 : // #100127# moved real tools::PolyPolygon draw to separate method,
123 : // have to call recursively, avoiding duplicate
124 : // ImplLogicToDevicePixel calls
125 2077 : ImplDrawPolyPolygon( nPoly, ImplLogicToDevicePixel( rPolyPoly ) );
126 : }
127 175456 : if( mpAlphaVDev )
128 5288 : mpAlphaVDev->DrawPolyPolygon( rPolyPoly );
129 : }
130 :
131 1800 : void OutputDevice::DrawPolygon( const basegfx::B2DPolygon& rB2DPolygon)
132 : {
133 : // AW: Do NOT paint empty polygons
134 1800 : if(rB2DPolygon.count())
135 : {
136 1800 : basegfx::B2DPolyPolygon aPP( rB2DPolygon );
137 1800 : DrawPolyPolygon( aPP );
138 : }
139 1800 : }
140 :
141 181492 : void OutputDevice::DrawPolygon( const Polygon& rPoly )
142 : {
143 :
144 181492 : if( mpMetaFile )
145 12 : mpMetaFile->AddAction( new MetaPolygonAction( rPoly ) );
146 :
147 181492 : sal_uInt16 nPoints = rPoly.GetSize();
148 :
149 181492 : if ( !IsDeviceOutputNecessary() || (!mbLineColor && !mbFillColor) || (nPoints < 2) || ImplIsRecordLayout() )
150 0 : return;
151 :
152 : // we need a graphics
153 181492 : if ( !mpGraphics && !AcquireGraphics() )
154 0 : return;
155 :
156 181492 : if ( mbInitClipRegion )
157 147 : InitClipRegion();
158 :
159 181492 : if ( mbOutputClipped )
160 0 : return;
161 :
162 181492 : if ( mbInitLineColor )
163 1221 : InitLineColor();
164 :
165 181492 : if ( mbInitFillColor )
166 2105 : InitFillColor();
167 :
168 : // use b2dpolygon drawing if possible
169 363002 : if((mnAntialiasing & ANTIALIASING_ENABLE_B2DDRAW) &&
170 18 : mpGraphics->supportsOperation(OutDevSupport_B2DDraw) &&
171 181492 : ROP_OVERPAINT == GetRasterOp() &&
172 0 : (IsLineColor() || IsFillColor()))
173 : {
174 0 : const ::basegfx::B2DHomMatrix aTransform = ImplGetDeviceTransformation();
175 0 : basegfx::B2DPolygon aB2DPolygon(rPoly.getB2DPolygon());
176 0 : bool bSuccess(true);
177 :
178 : // transform the polygon and ensure closed
179 0 : aB2DPolygon.transform(aTransform);
180 0 : aB2DPolygon.setClosed(true);
181 :
182 0 : if(IsFillColor())
183 : {
184 0 : bSuccess = mpGraphics->DrawPolyPolygon(basegfx::B2DPolyPolygon(aB2DPolygon), 0.0, this);
185 : }
186 :
187 0 : if(bSuccess && IsLineColor())
188 : {
189 0 : const ::basegfx::B2DVector aB2DLineWidth( 1.0, 1.0 );
190 :
191 0 : if(mnAntialiasing & ANTIALIASING_PIXELSNAPHAIRLINE)
192 : {
193 0 : aB2DPolygon = basegfx::tools::snapPointsOfHorizontalOrVerticalEdges(aB2DPolygon);
194 : }
195 :
196 : bSuccess = mpGraphics->DrawPolyLine( aB2DPolygon,
197 : 0.0,
198 : aB2DLineWidth,
199 : basegfx::B2DLINEJOIN_NONE,
200 : css::drawing::LineCap_BUTT,
201 0 : this);
202 : }
203 :
204 0 : if(bSuccess)
205 : {
206 0 : return;
207 0 : }
208 : }
209 :
210 181492 : Polygon aPoly = ImplLogicToDevicePixel( rPoly );
211 181492 : const SalPoint* pPtAry = (const SalPoint*)aPoly.GetConstPointAry();
212 :
213 : // #100127# Forward beziers to sal, if any
214 181492 : if( aPoly.HasFlags() )
215 : {
216 5940 : const sal_uInt8* pFlgAry = aPoly.GetConstFlagAry();
217 5940 : if( !mpGraphics->DrawPolygonBezier( nPoints, pPtAry, pFlgAry, this ) )
218 : {
219 5940 : aPoly = Polygon::SubdivideBezier(aPoly);
220 5940 : pPtAry = (const SalPoint*)aPoly.GetConstPointAry();
221 5940 : mpGraphics->DrawPolygon( aPoly.GetSize(), pPtAry, this );
222 : }
223 : }
224 : else
225 : {
226 175552 : mpGraphics->DrawPolygon( nPoints, pPtAry, this );
227 : }
228 181492 : if( mpAlphaVDev )
229 5288 : mpAlphaVDev->DrawPolygon( rPoly );
230 : }
231 :
232 : // Caution: This method is nearly the same as
233 : // OutputDevice::DrawTransparent( const basegfx::B2DPolyPolygon& rB2DPolyPoly, double fTransparency),
234 : // so when changes are made here do not forget to make change sthere, too
235 :
236 52278 : void OutputDevice::DrawPolyPolygon( const basegfx::B2DPolyPolygon& rB2DPolyPoly )
237 : {
238 :
239 52278 : if( mpMetaFile )
240 3336 : mpMetaFile->AddAction( new MetaPolyPolygonAction( tools::PolyPolygon( rB2DPolyPoly ) ) );
241 :
242 : // call helper
243 52278 : ImplDrawPolyPolygonWithB2DPolyPolygon(rB2DPolyPoly);
244 52278 : }
245 :
246 52278 : void OutputDevice::ImplDrawPolyPolygonWithB2DPolyPolygon(const basegfx::B2DPolyPolygon& rB2DPolyPoly)
247 : {
248 : // Do not paint empty PolyPolygons
249 52278 : if(!rB2DPolyPoly.count() || !IsDeviceOutputNecessary())
250 6672 : return;
251 :
252 : // we need a graphics
253 48942 : if( !mpGraphics && !AcquireGraphics() )
254 0 : return;
255 :
256 48942 : if( mbInitClipRegion )
257 16 : InitClipRegion();
258 :
259 48942 : if( mbOutputClipped )
260 0 : return;
261 :
262 48942 : if( mbInitLineColor )
263 375 : InitLineColor();
264 :
265 48942 : if( mbInitFillColor )
266 44837 : InitFillColor();
267 :
268 97884 : if((mnAntialiasing & ANTIALIASING_ENABLE_B2DDRAW) &&
269 0 : mpGraphics->supportsOperation(OutDevSupport_B2DDraw) &&
270 48942 : ROP_OVERPAINT == GetRasterOp() &&
271 0 : (IsLineColor() || IsFillColor()))
272 : {
273 0 : const basegfx::B2DHomMatrix aTransform(ImplGetDeviceTransformation());
274 0 : basegfx::B2DPolyPolygon aB2DPolyPolygon(rB2DPolyPoly);
275 0 : bool bSuccess(true);
276 :
277 : // transform the polygon and ensure closed
278 0 : aB2DPolyPolygon.transform(aTransform);
279 0 : aB2DPolyPolygon.setClosed(true);
280 :
281 0 : if(IsFillColor())
282 : {
283 0 : bSuccess = mpGraphics->DrawPolyPolygon(aB2DPolyPolygon, 0.0, this);
284 : }
285 :
286 0 : if(bSuccess && IsLineColor())
287 : {
288 0 : const ::basegfx::B2DVector aB2DLineWidth( 1.0, 1.0 );
289 :
290 0 : if(mnAntialiasing & ANTIALIASING_PIXELSNAPHAIRLINE)
291 : {
292 0 : aB2DPolyPolygon = basegfx::tools::snapPointsOfHorizontalOrVerticalEdges(aB2DPolyPolygon);
293 : }
294 :
295 0 : for(sal_uInt32 a(0);bSuccess && a < aB2DPolyPolygon.count(); a++)
296 : {
297 : bSuccess = mpGraphics->DrawPolyLine( aB2DPolyPolygon.getB2DPolygon(a),
298 : 0.0,
299 : aB2DLineWidth,
300 : basegfx::B2DLINEJOIN_NONE,
301 : css::drawing::LineCap_BUTT,
302 0 : this);
303 0 : }
304 : }
305 :
306 0 : if(bSuccess)
307 : {
308 0 : return;
309 0 : }
310 : }
311 :
312 : // fallback to old polygon drawing if needed
313 48942 : const tools::PolyPolygon aToolsPolyPolygon( rB2DPolyPoly );
314 97884 : const tools::PolyPolygon aPixelPolyPolygon = ImplLogicToDevicePixel( aToolsPolyPolygon );
315 97884 : ImplDrawPolyPolygon( aPixelPolyPolygon.Count(), aPixelPolyPolygon );
316 : }
317 :
318 : // #100127# Extracted from OutputDevice::DrawPolyPolygon()
319 52408 : void OutputDevice::ImplDrawPolyPolygon( sal_uInt16 nPoly, const tools::PolyPolygon& rPolyPoly )
320 : {
321 : // AW: This crashes on empty PolyPolygons, avoid that
322 52408 : if(!nPoly)
323 52408 : return;
324 :
325 : sal_uInt32 aStackAry1[OUTDEV_POLYPOLY_STACKBUF];
326 : PCONSTSALPOINT aStackAry2[OUTDEV_POLYPOLY_STACKBUF];
327 : sal_uInt8* aStackAry3[OUTDEV_POLYPOLY_STACKBUF];
328 : sal_uInt32* pPointAry;
329 : PCONSTSALPOINT* pPointAryAry;
330 : const sal_uInt8** pFlagAryAry;
331 52408 : sal_uInt16 i = 0;
332 52408 : sal_uInt16 j = 0;
333 52408 : sal_uInt16 last = 0;
334 52408 : bool bHaveBezier = false;
335 52408 : if ( nPoly > OUTDEV_POLYPOLY_STACKBUF )
336 : {
337 150 : pPointAry = new sal_uInt32[nPoly];
338 150 : pPointAryAry = new PCONSTSALPOINT[nPoly];
339 150 : pFlagAryAry = new const sal_uInt8*[nPoly];
340 : }
341 : else
342 : {
343 52258 : pPointAry = aStackAry1;
344 52258 : pPointAryAry = aStackAry2;
345 52258 : pFlagAryAry = (const sal_uInt8**)aStackAry3;
346 : }
347 :
348 72898 : do
349 : {
350 72898 : const Polygon& rPoly = rPolyPoly.GetObject( i );
351 72898 : sal_uInt16 nSize = rPoly.GetSize();
352 72898 : if ( nSize )
353 : {
354 72898 : pPointAry[j] = nSize;
355 72898 : pPointAryAry[j] = (PCONSTSALPOINT)rPoly.GetConstPointAry();
356 72898 : pFlagAryAry[j] = rPoly.GetConstFlagAry();
357 72898 : last = i;
358 :
359 72898 : if( pFlagAryAry[j] )
360 8563 : bHaveBezier = true;
361 :
362 72898 : ++j;
363 : }
364 72898 : ++i;
365 : }
366 : while ( i < nPoly );
367 :
368 52408 : if ( j == 1 )
369 : {
370 : // #100127# Forward beziers to sal, if any
371 48640 : if( bHaveBezier )
372 : {
373 5131 : if( !mpGraphics->DrawPolygonBezier( *pPointAry, *pPointAryAry, *pFlagAryAry, this ) )
374 : {
375 5131 : Polygon aPoly = Polygon::SubdivideBezier( rPolyPoly.GetObject( last ) );
376 5131 : mpGraphics->DrawPolygon( aPoly.GetSize(), (const SalPoint*)aPoly.GetConstPointAry(), this );
377 : }
378 : }
379 : else
380 : {
381 43509 : mpGraphics->DrawPolygon( *pPointAry, *pPointAryAry, this );
382 : }
383 : }
384 : else
385 : {
386 : // #100127# Forward beziers to sal, if any
387 3768 : if( bHaveBezier )
388 : {
389 1389 : if( !mpGraphics->DrawPolyPolygonBezier( j, pPointAry, pPointAryAry, pFlagAryAry, this ) )
390 : {
391 1389 : tools::PolyPolygon aPolyPoly = tools::PolyPolygon::SubdivideBezier( rPolyPoly );
392 1389 : ImplDrawPolyPolygon( aPolyPoly.Count(), aPolyPoly );
393 : }
394 : }
395 : else
396 : {
397 2379 : mpGraphics->DrawPolyPolygon( j, pPointAry, pPointAryAry, this );
398 : }
399 : }
400 :
401 52408 : if ( pPointAry != aStackAry1 )
402 : {
403 150 : delete[] pPointAry;
404 150 : delete[] pPointAryAry;
405 150 : delete[] pFlagAryAry;
406 : }
407 : }
408 :
409 2894576 : void OutputDevice::ImplDrawPolygon( const Polygon& rPoly, const tools::PolyPolygon* pClipPolyPoly )
410 : {
411 2894576 : if( pClipPolyPoly )
412 : {
413 0 : ImplDrawPolyPolygon( rPoly, pClipPolyPoly );
414 : }
415 : else
416 : {
417 2894576 : sal_uInt16 nPoints = rPoly.GetSize();
418 :
419 2894576 : if ( nPoints < 2 )
420 2894576 : return;
421 :
422 2894576 : const SalPoint* pPtAry = (const SalPoint*)rPoly.GetConstPointAry();
423 2894576 : mpGraphics->DrawPolygon( nPoints, pPtAry, this );
424 : }
425 : }
426 :
427 0 : void OutputDevice::ImplDrawPolyPolygon( const tools::PolyPolygon& rPolyPoly, const tools::PolyPolygon* pClipPolyPoly )
428 : {
429 : tools::PolyPolygon* pPolyPoly;
430 :
431 0 : if( pClipPolyPoly )
432 : {
433 0 : pPolyPoly = new tools::PolyPolygon;
434 0 : rPolyPoly.GetIntersection( *pClipPolyPoly, *pPolyPoly );
435 : }
436 : else
437 : {
438 0 : pPolyPoly = (tools::PolyPolygon*) &rPolyPoly;
439 : }
440 0 : if( pPolyPoly->Count() == 1 )
441 : {
442 0 : const Polygon rPoly = pPolyPoly->GetObject( 0 );
443 0 : sal_uInt16 nSize = rPoly.GetSize();
444 :
445 0 : if( nSize >= 2 )
446 : {
447 0 : const SalPoint* pPtAry = (const SalPoint*)rPoly.GetConstPointAry();
448 0 : mpGraphics->DrawPolygon( nSize, pPtAry, this );
449 0 : }
450 : }
451 0 : else if( pPolyPoly->Count() )
452 : {
453 0 : sal_uInt16 nCount = pPolyPoly->Count();
454 0 : boost::scoped_array<sal_uInt32> pPointAry(new sal_uInt32[nCount]);
455 0 : boost::scoped_array<PCONSTSALPOINT> pPointAryAry(new PCONSTSALPOINT[nCount]);
456 0 : sal_uInt16 i = 0;
457 0 : do
458 : {
459 0 : const Polygon& rPoly = pPolyPoly->GetObject( i );
460 0 : sal_uInt16 nSize = rPoly.GetSize();
461 0 : if ( nSize )
462 : {
463 0 : pPointAry[i] = nSize;
464 0 : pPointAryAry[i] = (PCONSTSALPOINT)rPoly.GetConstPointAry();
465 0 : i++;
466 : }
467 : else
468 0 : nCount--;
469 : }
470 : while( i < nCount );
471 :
472 0 : if( nCount == 1 )
473 0 : mpGraphics->DrawPolygon( pPointAry[0], pPointAryAry[0], this );
474 : else
475 0 : mpGraphics->DrawPolyPolygon( nCount, pPointAry.get(), pPointAryAry.get(), this );
476 : }
477 :
478 0 : if( pClipPolyPoly )
479 0 : delete pPolyPoly;
480 1233 : }
481 :
482 : /* vim:set shiftwidth=4 softtabstop=4 expandtab: */
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