xref: /AOO41X/main/vcl/unx/generic/gdi/salgdi.cxx (revision 707fc0d4d52eb4f69d89a98ffec6918ca5de6326)
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4  * or more contributor license agreements.  See the NOTICE file
5  * distributed with this work for additional information
6  * regarding copyright ownership.  The ASF licenses this file
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8  * "License"); you may not use this file except in compliance
9  * with the License.  You may obtain a copy of the License at
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11  *   http://www.apache.org/licenses/LICENSE-2.0
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13  * Unless required by applicable law or agreed to in writing,
14  * software distributed under the License is distributed on an
15  * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
16  * KIND, either express or implied.  See the License for the
17  * specific language governing permissions and limitations
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20  *************************************************************/
21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_vcl.hxx"
26 
27 #include "tools/debug.hxx"
28 
29 #include "basegfx/polygon/b2dpolygon.hxx"
30 #include "basegfx/polygon/b2dpolypolygon.hxx"
31 #include "basegfx/polygon/b2dpolypolygontools.hxx"
32 #include "basegfx/polygon/b2dpolygontools.hxx"
33 #include "basegfx/polygon/b2dpolygonclipper.hxx"
34 #include "basegfx/polygon/b2dlinegeometry.hxx"
35 #include "basegfx/matrix/b2dhommatrix.hxx"
36 #include "basegfx/matrix/b2dhommatrixtools.hxx"
37 #include "basegfx/polygon/b2dpolypolygoncutter.hxx"
38 #include "basegfx/polygon/b2dtrapezoid.hxx"
39 
40 #include "vcl/jobdata.hxx"
41 
42 #include "unx/Xproto.h"
43 #include "unx/salunx.h"
44 #include "unx/saldata.hxx"
45 #include "unx/saldisp.hxx"
46 #include "unx/salgdi.h"
47 #include "unx/salframe.h"
48 #include "unx/salvd.h"
49 
50 #include "printergfx.hxx"
51 #include "xrender_peer.hxx"
52 #include "region.h"
53 
54 #include <vector>
55 #include <queue>
56 #include <set>
57 
58 // -=-= SalPolyLine =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
59 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
60 #define STATIC_POINTS 64
61 
62 class SalPolyLine
63 {
64             XPoint              Points_[STATIC_POINTS];
65             XPoint             *pFirst_;
66 public:
67     inline                      SalPolyLine( sal_uLong nPoints );
68     inline                      SalPolyLine( sal_uLong nPoints, const SalPoint *p );
69     inline                      ~SalPolyLine();
70     inline  XPoint             &operator [] ( sal_uLong n ) const
71                                 { return pFirst_[n]; }
72 };
73 
74 inline SalPolyLine::SalPolyLine( sal_uLong nPoints )
75     : pFirst_( nPoints+1 > STATIC_POINTS ? new XPoint[nPoints+1] : Points_ )
76 {}
77 
78 inline SalPolyLine::SalPolyLine( sal_uLong nPoints, const SalPoint *p )
79     : pFirst_( nPoints+1 > STATIC_POINTS ? new XPoint[nPoints+1] : Points_ )
80 {
81     for( sal_uLong i = 0; i < nPoints; i++ )
82     {
83         pFirst_[i].x = (short)p[i].mnX;
84         pFirst_[i].y = (short)p[i].mnY;
85     }
86     pFirst_[nPoints] = pFirst_[0]; // close polyline
87 }
88 
89 inline SalPolyLine::~SalPolyLine()
90 { if( pFirst_ != Points_ ) delete [] pFirst_; }
91 
92 #undef STATIC_POINTS
93 // -=-= X11SalGraphics =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
94 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
95 X11SalGraphics::X11SalGraphics()
96 {
97     m_pFrame            = NULL;
98     m_pVDev             = NULL;
99     m_pDeleteColormap   = NULL;
100     hDrawable_          = None;
101     m_aRenderPicture    = 0;
102     m_pRenderFormat     = NULL;
103 
104     mpClipRegion            = NULL;
105     pPaintRegion_       = NULL;
106 
107     pPenGC_         = NULL;
108     nPenPixel_          = 0;
109     nPenColor_          = MAKE_SALCOLOR( 0x00, 0x00, 0x00 ); // Black
110 
111     pFontGC_            = NULL;
112     for( int i = 0; i < MAX_FALLBACK; ++i )
113         mpServerFont[i] = NULL;
114 
115     nTextPixel_         = 0;
116     nTextColor_         = MAKE_SALCOLOR( 0x00, 0x00, 0x00 ); // Black
117 
118 #ifdef ENABLE_GRAPHITE
119     // check if graphite fonts have been disabled
120     static const char* pDisableGraphiteStr = getenv( "SAL_DISABLE_GRAPHITE" );
121     bDisableGraphite_       = pDisableGraphiteStr ? (pDisableGraphiteStr[0]!='0') : sal_False;
122 #endif
123 
124     pBrushGC_           = NULL;
125     nBrushPixel_            = 0;
126     nBrushColor_        = MAKE_SALCOLOR( 0xFF, 0xFF, 0xFF ); // White
127     hBrush_             = None;
128 
129     pMonoGC_            = NULL;
130     pCopyGC_            = NULL;
131     pMaskGC_            = NULL;
132     pInvertGC_          = NULL;
133     pInvert50GC_        = NULL;
134     pStippleGC_         = NULL;
135     pTrackingGC_        = NULL;
136 
137     bWindow_            = sal_False;
138     bPrinter_           = sal_False;
139     bVirDev_            = sal_False;
140     bPenGC_         = sal_False;
141     bFontGC_            = sal_False;
142     bBrushGC_           = sal_False;
143     bMonoGC_            = sal_False;
144     bCopyGC_            = sal_False;
145     bInvertGC_          = sal_False;
146     bInvert50GC_        = sal_False;
147     bStippleGC_         = sal_False;
148     bTrackingGC_        = sal_False;
149     bXORMode_           = sal_False;
150     bDitherBrush_       = sal_False;
151 }
152 
153 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
154 X11SalGraphics::~X11SalGraphics()
155 {
156     ReleaseFonts();
157     freeResources();
158 }
159 
160 // -=-= SalGraphics / X11SalGraphics =-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
161 
162 void X11SalGraphics::freeResources()
163 {
164     Display *pDisplay = GetXDisplay();
165 
166     DBG_ASSERT( !pPaintRegion_, "pPaintRegion_" );
167     if( mpClipRegion ) XDestroyRegion( mpClipRegion ), mpClipRegion = None;
168 
169     if( hBrush_ )       XFreePixmap( pDisplay, hBrush_ ), hBrush_ = None;
170     if( pPenGC_ )       XFreeGC( pDisplay, pPenGC_ ), pPenGC_ = None;
171     if( pFontGC_ )      XFreeGC( pDisplay, pFontGC_ ), pFontGC_ = None;
172     if( pBrushGC_ )     XFreeGC( pDisplay, pBrushGC_ ), pBrushGC_ = None;
173     if( pMonoGC_ )      XFreeGC( pDisplay, pMonoGC_ ), pMonoGC_ = None;
174     if( pCopyGC_ )      XFreeGC( pDisplay, pCopyGC_ ), pCopyGC_ = None;
175     if( pMaskGC_ )      XFreeGC( pDisplay, pMaskGC_ ), pMaskGC_ = None;
176     if( pInvertGC_ )    XFreeGC( pDisplay, pInvertGC_ ), pInvertGC_ = None;
177     if( pInvert50GC_ )  XFreeGC( pDisplay, pInvert50GC_ ), pInvert50GC_ = None;
178     if( pStippleGC_ )   XFreeGC( pDisplay, pStippleGC_ ), pStippleGC_ = None;
179     if( pTrackingGC_ )  XFreeGC( pDisplay, pTrackingGC_ ), pTrackingGC_ = None;
180     if( m_pDeleteColormap )
181         delete m_pDeleteColormap, m_pColormap = m_pDeleteColormap = NULL;
182 
183     if( m_aRenderPicture )
184         XRenderPeer::GetInstance().FreePicture( m_aRenderPicture ), m_aRenderPicture = 0;
185 
186     bPenGC_ = bFontGC_ = bBrushGC_ = bMonoGC_ = bCopyGC_ = bInvertGC_ = bInvert50GC_ = bStippleGC_ = bTrackingGC_ = false;
187 }
188 
189 void X11SalGraphics::SetDrawable( Drawable aDrawable, int nScreen )
190 {
191     // shortcut if nothing changed
192     if( hDrawable_ == aDrawable )
193         return;
194 
195     // free screen specific resources if needed
196     if( nScreen != m_nScreen )
197     {
198         freeResources();
199         m_pColormap = &GetX11SalData()->GetDisplay()->GetColormap( nScreen );
200         m_nScreen = nScreen;
201     }
202 
203     hDrawable_ = aDrawable;
204     SetXRenderFormat( NULL );
205     if( m_aRenderPicture )
206     {
207         XRenderPeer::GetInstance().FreePicture( m_aRenderPicture );
208         m_aRenderPicture = 0;
209     }
210 
211     if( hDrawable_ )
212     {
213         nPenPixel_      = GetPixel( nPenColor_ );
214         nTextPixel_     = GetPixel( nTextColor_ );
215         nBrushPixel_    = GetPixel( nBrushColor_ );
216     }
217 }
218 
219 void X11SalGraphics::Init( SalFrame *pFrame, Drawable aTarget, int nScreen )
220 {
221 #if 0 // TODO: use SetDrawable() instead
222     m_pColormap     = &GetX11SalData()->GetDisplay()->GetColormap(nScreen);
223     hDrawable_      = aTarget;
224     m_nScreen       = nScreen;
225     SetXRenderFormat( NULL );
226     if( m_aRenderPicture )
227         XRenderPeer::GetInstance().FreePicture( m_aRenderPicture ), m_aRenderPicture = 0;
228 
229     nPenPixel_      = GetPixel( nPenColor_ );
230     nTextPixel_     = GetPixel( nTextColor_ );
231     nBrushPixel_    = GetPixel( nBrushColor_ );
232 #else
233     m_pColormap     = &GetX11SalData()->GetDisplay()->GetColormap(nScreen);
234     m_nScreen = nScreen;
235     SetDrawable( aTarget, nScreen );
236 #endif
237 
238     bWindow_        = sal_True;
239     m_pFrame        = pFrame;
240     m_pVDev         = NULL;
241 }
242 
243 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
244 void X11SalGraphics::DeInit()
245 {
246     SetDrawable( None, m_nScreen );
247 }
248 
249 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
250 void X11SalGraphics::SetClipRegion( GC pGC, XLIB_Region pXReg ) const
251 {
252     Display *pDisplay = GetXDisplay();
253 
254     int n = 0;
255     XLIB_Region Regions[3];
256 
257     if( mpClipRegion /* && !XEmptyRegion( mpClipRegion ) */ )
258         Regions[n++] = mpClipRegion;
259 //  if( pPaintRegion_ /* && !XEmptyRegion( pPaintRegion_ ) */ )
260 //      Regions[n++] = pPaintRegion_;
261 
262     if( pXReg && !XEmptyRegion( pXReg ) )
263         Regions[n++] = pXReg;
264 
265     if( 0 == n )
266         XSetClipMask( pDisplay, pGC, None );
267     else if( 1 == n )
268         XSetRegion( pDisplay, pGC, Regions[0] );
269     else
270     {
271         XLIB_Region pTmpRegion = XCreateRegion();
272         XIntersectRegion( Regions[0], Regions[1], pTmpRegion );
273 //      if( 3 == n )
274 //          XIntersectRegion( Regions[2], pTmpRegion, pTmpRegion );
275         XSetRegion( pDisplay, pGC, pTmpRegion );
276         XDestroyRegion( pTmpRegion );
277     }
278 }
279 
280 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
281 GC X11SalGraphics::SelectPen()
282 {
283     Display *pDisplay = GetXDisplay();
284 
285     if( !pPenGC_ )
286     {
287         XGCValues values;
288         values.subwindow_mode       = ClipByChildren;
289         values.fill_rule            = EvenOddRule;      // Pict import/ Gradient
290         values.graphics_exposures   = False;
291 
292         pPenGC_ = XCreateGC( pDisplay, hDrawable_,
293                              GCSubwindowMode | GCFillRule | GCGraphicsExposures,
294                              &values );
295     }
296 
297     if( !bPenGC_ )
298     {
299         if( nPenColor_ != SALCOLOR_NONE )
300             XSetForeground( pDisplay, pPenGC_, nPenPixel_ );
301         XSetFunction  ( pDisplay, pPenGC_, bXORMode_ ? GXxor : GXcopy );
302         SetClipRegion( pPenGC_ );
303         bPenGC_ = sal_True;
304     }
305 
306     return pPenGC_;
307 }
308 
309 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
310 GC X11SalGraphics::SelectBrush()
311 {
312     Display *pDisplay = GetXDisplay();
313 
314     DBG_ASSERT( nBrushColor_ != SALCOLOR_NONE, "Brush Transparent" );
315 
316     if( !pBrushGC_ )
317     {
318         XGCValues values;
319         // values.subwindow_mode        = IncludeInferiors;
320         values.subwindow_mode       = ClipByChildren;
321         values.fill_rule            = EvenOddRule;      // Pict import/ Gradient
322         values.graphics_exposures   = False;
323 
324         pBrushGC_ = XCreateGC( pDisplay, hDrawable_,
325                                GCSubwindowMode | GCFillRule | GCGraphicsExposures,
326                                &values );
327     }
328 
329     if( !bBrushGC_ )
330     {
331         if( !bDitherBrush_ )
332         {
333             XSetFillStyle ( pDisplay, pBrushGC_, FillSolid );
334             XSetForeground( pDisplay, pBrushGC_, nBrushPixel_ );
335             if( bPrinter_ )
336                 XSetTile( pDisplay, pBrushGC_, None );
337         }
338         else
339         {
340             // Bug in Sun Solaris 2.5.1, XFillPolygon doesn't allways reflect
341             // changes of the tile. PROPERTY_BUG_Tile doesn't fix this !
342             if (GetDisplay()->GetProperties() & PROPERTY_BUG_FillPolygon_Tile)
343                 XSetFillStyle ( pDisplay, pBrushGC_, FillSolid );
344 
345             XSetFillStyle ( pDisplay, pBrushGC_, FillTiled );
346             XSetTile      ( pDisplay, pBrushGC_, hBrush_ );
347         }
348         XSetFunction  ( pDisplay, pBrushGC_, bXORMode_ ? GXxor : GXcopy );
349         SetClipRegion( pBrushGC_ );
350 
351         bBrushGC_ = sal_True;
352     }
353 
354     return pBrushGC_;
355 }
356 
357 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
358 GC X11SalGraphics::GetTrackingGC()
359 {
360     const char    dash_list[2] = {2, 2};
361 
362     if( !pTrackingGC_ )
363     {
364         XGCValues     values;
365 
366         values.graphics_exposures   = False;
367         values.foreground           = m_pColormap->GetBlackPixel()
368                                       ^ m_pColormap->GetWhitePixel();
369         values.function             = GXxor;
370         values.line_width           = 1;
371         values.line_style           = LineOnOffDash;
372 
373         pTrackingGC_ = XCreateGC( GetXDisplay(), GetDrawable(),
374                                   GCGraphicsExposures | GCForeground | GCFunction
375                                   | GCLineWidth | GCLineStyle,
376                                   &values );
377         XSetDashes( GetXDisplay(), pTrackingGC_, 0, dash_list, 2 );
378     }
379 
380     if( !bTrackingGC_ )
381     {
382         SetClipRegion( pTrackingGC_ );
383         bTrackingGC_ = sal_True;
384     }
385 
386     return pTrackingGC_;
387 }
388 
389 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
390 void X11SalGraphics::DrawLines( sal_uLong              nPoints,
391                                 const SalPolyLine &rPoints,
392                                 GC                 pGC,
393                                 bool               bClose
394                                 )
395 {
396     // errechne wie viele Linien XWindow auf einmal zeichnen kann
397     sal_uLong nMaxLines = (GetDisplay()->GetMaxRequestSize() - sizeof(xPolyPointReq))
398                       / sizeof(xPoint);
399     if( nMaxLines > nPoints ) nMaxLines = nPoints;
400 
401     // gebe alle Linien aus, die XWindows zeichnen kann.
402     sal_uLong n;
403     for( n = 0; nPoints - n > nMaxLines; n += nMaxLines - 1 )
404         XDrawLines( GetXDisplay(),
405                     GetDrawable(),
406                     pGC,
407                     &rPoints[n],
408                     nMaxLines,
409                     CoordModeOrigin );
410 
411     if( n < nPoints )
412         XDrawLines( GetXDisplay(),
413                     GetDrawable(),
414                     pGC,
415                     &rPoints[n],
416                     nPoints - n,
417                     CoordModeOrigin );
418     if( bClose )
419     {
420         if( rPoints[nPoints-1].x != rPoints[0].x || rPoints[nPoints-1].y != rPoints[0].y )
421             drawLine( rPoints[nPoints-1].x, rPoints[nPoints-1].y, rPoints[0].x, rPoints[0].y );
422     }
423 }
424 
425 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
426 // Dithern: Calculate a dither-pixmap and make a brush of it
427 #define P_DELTA         51
428 #define DMAP( v, m )    ((v % P_DELTA) > m ? (v / P_DELTA) + 1 : (v / P_DELTA))
429 
430 BOOL X11SalGraphics::GetDitherPixmap( SalColor nSalColor )
431 {
432     static const short nOrdDither8Bit[ 8 ][ 8 ] =
433     {
434         { 0, 38,  9, 48,  2, 40, 12, 50},
435         {25, 12, 35, 22, 28, 15, 37, 24},
436         { 6, 44,  3, 41,  8, 47,  5, 44},
437         {32, 19, 28, 16, 34, 21, 31, 18},
438         { 1, 40, 11, 49,  0, 39, 10, 48},
439         {27, 14, 36, 24, 26, 13, 36, 23},
440         { 8, 46,  4, 43,  7, 45,  4, 42},
441         {33, 20, 30, 17, 32, 20, 29, 16}
442     };
443 
444     // test for correct depth (8bit)
445     if( GetColormap().GetVisual().GetDepth() != 8 )
446         return sal_False;
447 
448     char    pBits[64];
449     char   *pBitsPtr = pBits;
450 
451     // Set the pallette-entries for the dithering tile
452     sal_uInt8 nSalColorRed   = SALCOLOR_RED   ( nSalColor );
453     sal_uInt8 nSalColorGreen = SALCOLOR_GREEN ( nSalColor );
454     sal_uInt8 nSalColorBlue  = SALCOLOR_BLUE  ( nSalColor );
455 
456     for( int nY = 0; nY < 8; nY++ )
457     {
458         for( int nX = 0; nX < 8; nX++ )
459         {
460             short nMagic = nOrdDither8Bit[nY][nX];
461             sal_uInt8 nR   = P_DELTA * DMAP( nSalColorRed,   nMagic );
462             sal_uInt8 nG   = P_DELTA * DMAP( nSalColorGreen, nMagic );
463             sal_uInt8 nB   = P_DELTA * DMAP( nSalColorBlue,  nMagic );
464 
465             *pBitsPtr++ = GetColormap().GetPixel( MAKE_SALCOLOR( nR, nG, nB ) );
466         }
467     }
468 
469     // create the tile as ximage and an according pixmap -> caching
470     XImage *pImage = XCreateImage( GetXDisplay(),
471                                    GetColormap().GetXVisual(),
472                                    8,
473                                    ZPixmap,
474                                    0,               // offset
475                                    pBits,           // data
476                                    8, 8,            // width & height
477                                    8,               // bitmap_pad
478                                    0 );             // (default) bytes_per_line
479 
480     if ( GetDisplay()->GetProperties() & PROPERTY_BUG_Tile )
481     {
482         if (hBrush_)
483             XFreePixmap (GetXDisplay(), hBrush_);
484         hBrush_ = XCreatePixmap( GetXDisplay(), GetDrawable(), 8, 8, 8 );
485     }
486     else
487     if( !hBrush_ )
488         hBrush_ = XCreatePixmap( GetXDisplay(), GetDrawable(), 8, 8, 8 );
489 
490     // put the ximage to the pixmap
491     XPutImage( GetXDisplay(),
492                hBrush_,
493                GetDisplay()->GetCopyGC( m_nScreen ),
494                pImage,
495                0, 0,                        // Source
496                0, 0,                        // Destination
497                8, 8 );                      // width & height
498 
499     // destroy image-frame but not palette-data
500     pImage->data = NULL;
501     XDestroyImage( pImage );
502 
503     return sal_True;
504 }
505 
506 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
507 void X11SalGraphics::GetResolution( sal_Int32 &rDPIX, sal_Int32 &rDPIY ) // const
508 {
509     const SalDisplay *pDisplay = GetDisplay();
510 
511     rDPIX = pDisplay->GetResolution().A();
512     rDPIY = pDisplay->GetResolution().B();
513     if( !pDisplay->GetExactResolution() && rDPIY < 96 )
514     {
515         rDPIX = Divide( rDPIX * 96, rDPIY );
516             rDPIY = 96;
517     }
518     else if ( rDPIY > 200 )
519     {
520         rDPIX = Divide( rDPIX * 200, rDPIY );
521         rDPIY = 200;
522     }
523 
524     // #i12705# equalize x- and y-resolution if they are close enough
525     if( rDPIX != rDPIY )
526     {
527         // different x- and y- resolutions are usually artifacts of
528         // a wrongly calculated screen size.
529         //if( (13*rDPIX >= 10*rDPIY) && (13*rDPIY >= 10*rDPIX) )  //+-30%
530         {
531 #ifdef DEBUG
532             printf("Forcing Resolution from %" SAL_PRIdINT32 "x%" SAL_PRIdINT32 " to %" SAL_PRIdINT32 "x%" SAL_PRIdINT32 "\n",
533                     rDPIX,rDPIY,rDPIY,rDPIY);
534 #endif
535             rDPIX = rDPIY; // y-resolution is more trustworthy
536         }
537     }
538 }
539 
540 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
541 sal_uInt16 X11SalGraphics::GetBitCount() // const
542 {
543     return GetVisual().GetDepth();
544 }
545 
546 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
547 long X11SalGraphics::GetGraphicsWidth() const
548 {
549     if( m_pFrame )
550         return m_pFrame->maGeometry.nWidth;
551     else if( m_pVDev )
552         return m_pVDev->GetWidth();
553     else
554         return 0;
555 }
556 
557 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
558 long X11SalGraphics::GetGraphicsHeight() const
559 {
560     if( m_pFrame )
561         return m_pFrame->maGeometry.nHeight;
562     else if( m_pVDev )
563         return m_pVDev->GetHeight();
564     else
565         return 0;
566 }
567 
568 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
569 void X11SalGraphics::ResetClipRegion()
570 {
571     if( mpClipRegion )
572     {
573         bPenGC_         = sal_False;
574         bFontGC_        = sal_False;
575         bBrushGC_       = sal_False;
576         bMonoGC_        = sal_False;
577         bCopyGC_        = sal_False;
578         bInvertGC_      = sal_False;
579         bInvert50GC_    = sal_False;
580         bStippleGC_     = sal_False;
581         bTrackingGC_    = sal_False;
582 
583         XDestroyRegion( mpClipRegion );
584         mpClipRegion    = NULL;
585     }
586 }
587 
588 bool X11SalGraphics::setClipRegion( const Region& i_rClip )
589 {
590     if( mpClipRegion )
591         XDestroyRegion( mpClipRegion );
592     mpClipRegion = XCreateRegion();
593 
594     ImplRegionInfo aInfo;
595     long nX, nY, nW, nH;
596     bool bRegionRect = i_rClip.ImplGetFirstRect(aInfo, nX, nY, nW, nH );
597     while( bRegionRect )
598     {
599         if ( nW && nH )
600         {
601             XRectangle aRect;
602             aRect.x         = (short)nX;
603             aRect.y         = (short)nY;
604             aRect.width     = (unsigned short)nW;
605             aRect.height    = (unsigned short)nH;
606 
607             XUnionRectWithRegion( &aRect, mpClipRegion, mpClipRegion );
608         }
609         bRegionRect = i_rClip.ImplGetNextRect( aInfo, nX, nY, nW, nH );
610     }
611 
612     // done, invalidate GCs
613     bPenGC_         = sal_False;
614     bFontGC_        = sal_False;
615     bBrushGC_       = sal_False;
616     bMonoGC_        = sal_False;
617     bCopyGC_        = sal_False;
618     bInvertGC_      = sal_False;
619     bInvert50GC_    = sal_False;
620     bStippleGC_     = sal_False;
621     bTrackingGC_    = sal_False;
622 
623     if( XEmptyRegion( mpClipRegion ) )
624     {
625         XDestroyRegion( mpClipRegion );
626         mpClipRegion= NULL;
627     }
628     return true;
629 }
630 
631 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
632 void X11SalGraphics::SetLineColor()
633 {
634     if( nPenColor_ != SALCOLOR_NONE )
635     {
636         nPenColor_      = SALCOLOR_NONE;
637         bPenGC_         = sal_False;
638     }
639 }
640 
641 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
642 void X11SalGraphics::SetLineColor( SalColor nSalColor )
643 {
644     if( nPenColor_ != nSalColor )
645     {
646         nPenColor_      = nSalColor;
647         nPenPixel_      = GetPixel( nSalColor );
648         bPenGC_         = sal_False;
649     }
650 }
651 
652 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
653 void X11SalGraphics::SetFillColor()
654 {
655     if( nBrushColor_ != SALCOLOR_NONE )
656     {
657         bDitherBrush_   = sal_False;
658         nBrushColor_    = SALCOLOR_NONE;
659         bBrushGC_       = sal_False;
660     }
661 }
662 
663 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
664 void X11SalGraphics::SetFillColor( SalColor nSalColor )
665 {
666     if( nBrushColor_ != nSalColor )
667     {
668         bDitherBrush_   = sal_False;
669         nBrushColor_    = nSalColor;
670         nBrushPixel_    = GetPixel( nSalColor );
671         if( TrueColor != GetColormap().GetVisual().GetClass()
672             && GetColormap().GetColor( nBrushPixel_ ) != nBrushColor_
673             && nSalColor != MAKE_SALCOLOR( 0x00, 0x00, 0x00 ) // black
674             && nSalColor != MAKE_SALCOLOR( 0x00, 0x00, 0x80 ) // blue
675             && nSalColor != MAKE_SALCOLOR( 0x00, 0x80, 0x00 ) // green
676             && nSalColor != MAKE_SALCOLOR( 0x00, 0x80, 0x80 ) // cyan
677             && nSalColor != MAKE_SALCOLOR( 0x80, 0x00, 0x00 ) // red
678             && nSalColor != MAKE_SALCOLOR( 0x80, 0x00, 0x80 ) // magenta
679             && nSalColor != MAKE_SALCOLOR( 0x80, 0x80, 0x00 ) // brown
680             && nSalColor != MAKE_SALCOLOR( 0x80, 0x80, 0x80 ) // gray
681             && nSalColor != MAKE_SALCOLOR( 0xC0, 0xC0, 0xC0 ) // light gray
682             && nSalColor != MAKE_SALCOLOR( 0x00, 0x00, 0xFF ) // light blue
683             && nSalColor != MAKE_SALCOLOR( 0x00, 0xFF, 0x00 ) // light green
684             && nSalColor != MAKE_SALCOLOR( 0x00, 0xFF, 0xFF ) // light cyan
685             && nSalColor != MAKE_SALCOLOR( 0xFF, 0x00, 0x00 ) // light red
686             && nSalColor != MAKE_SALCOLOR( 0xFF, 0x00, 0xFF ) // light magenta
687             && nSalColor != MAKE_SALCOLOR( 0xFF, 0xFF, 0x00 ) // light brown
688             && nSalColor != MAKE_SALCOLOR( 0xFF, 0xFF, 0xFF ) )
689             bDitherBrush_ = GetDitherPixmap(nSalColor);
690         bBrushGC_       = sal_False;
691     }
692 }
693 
694 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
695 void X11SalGraphics::SetROPLineColor( SalROPColor nROPColor )
696 {
697     switch( nROPColor )
698     {
699         case SAL_ROP_0 : // 0
700             nPenPixel_ = (Pixel)0;
701             break;
702         case SAL_ROP_1 : // 1
703             nPenPixel_ = (Pixel)(1 << GetVisual().GetDepth()) - 1;
704             break;
705         case SAL_ROP_INVERT : // 2
706             nPenPixel_ = (Pixel)(1 << GetVisual().GetDepth()) - 1;
707             break;
708     }
709     nPenColor_  = GetColormap().GetColor( nPenPixel_ );
710     bPenGC_     = sal_False;
711 }
712 
713 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
714 void X11SalGraphics::SetROPFillColor( SalROPColor nROPColor )
715 {
716     switch( nROPColor )
717     {
718         case SAL_ROP_0 : // 0
719             nBrushPixel_ = (Pixel)0;
720             break;
721         case SAL_ROP_1 : // 1
722             nBrushPixel_ = (Pixel)(1 << GetVisual().GetDepth()) - 1;
723             break;
724         case SAL_ROP_INVERT : // 2
725             nBrushPixel_ = (Pixel)(1 << GetVisual().GetDepth()) - 1;
726             break;
727     }
728     bDitherBrush_   = sal_False;
729     nBrushColor_    = GetColormap().GetColor( nBrushPixel_ );
730     bBrushGC_       = sal_False;
731 }
732 
733 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
734 void X11SalGraphics::SetXORMode( bool bSet, bool )
735 {
736     if( !bXORMode_ == bSet )
737     {
738         bXORMode_   = bSet;
739         bPenGC_     = sal_False;
740         bFontGC_    = sal_False;
741         bBrushGC_   = sal_False;
742         bMonoGC_        = sal_False;
743         bCopyGC_        = sal_False;
744         bInvertGC_  = sal_False;
745         bInvert50GC_    = sal_False;
746         bStippleGC_ = sal_False;
747         bTrackingGC_    = sal_False;
748     }
749 }
750 
751 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
752 void X11SalGraphics::drawPixel( long nX, long nY )
753 {
754     if( nPenColor_ !=  SALCOLOR_NONE )
755         XDrawPoint( GetXDisplay(), GetDrawable(), SelectPen(), nX, nY );
756 }
757 
758 void X11SalGraphics::drawPixel( long nX, long nY, SalColor nSalColor )
759 {
760     if( nSalColor != SALCOLOR_NONE )
761     {
762         Display *pDisplay = GetXDisplay();
763 
764         if( (nPenColor_ == SALCOLOR_NONE) && !bPenGC_ )
765         {
766             SetLineColor( nSalColor );
767             XDrawPoint( pDisplay, GetDrawable(), SelectPen(), nX, nY );
768             nPenColor_ = SALCOLOR_NONE;
769             bPenGC_ = False;
770         }
771         else
772         {
773             GC pGC = SelectPen();
774 
775             if( nSalColor != nPenColor_ )
776                 XSetForeground( pDisplay, pGC, GetPixel( nSalColor ) );
777 
778             XDrawPoint( pDisplay, GetDrawable(), pGC, nX, nY );
779 
780             if( nSalColor != nPenColor_ )
781                 XSetForeground( pDisplay, pGC, nPenPixel_ );
782         }
783     }
784 }
785 
786 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
787 void X11SalGraphics::drawLine( long nX1, long nY1, long nX2, long nY2 )
788 {
789     if( nPenColor_ != SALCOLOR_NONE )
790     {
791         if ( GetDisplay()->GetProperties() & PROPERTY_BUG_DrawLine )
792         {
793             GC aGC = SelectPen();
794             XDrawPoint (GetXDisplay(), GetDrawable(), aGC, (int)nX1, (int)nY1);
795             XDrawPoint (GetXDisplay(), GetDrawable(), aGC, (int)nX2, (int)nY2);
796             XDrawLine  (GetXDisplay(), GetDrawable(), aGC, nX1, nY1, nX2, nY2 );
797         }
798         else
799             XDrawLine( GetXDisplay(), GetDrawable(),SelectPen(),
800                        nX1, nY1, nX2, nY2 );
801     }
802 }
803 
804 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
805 void X11SalGraphics::drawRect( long nX, long nY, long nDX, long nDY )
806 {
807     if( nBrushColor_ != SALCOLOR_NONE )
808     {
809         XFillRectangle( GetXDisplay(),
810                         GetDrawable(),
811                         SelectBrush(),
812                         nX, nY, nDX, nDY );
813     }
814     // Beschreibung DrawRect verkehrt, deshalb -1
815     if( nPenColor_ != SALCOLOR_NONE )
816         XDrawRectangle( GetXDisplay(),
817                         GetDrawable(),
818                         SelectPen(),
819                         nX, nY, nDX-1, nDY-1 );
820 }
821 
822 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
823 void X11SalGraphics::drawPolyLine( sal_uLong nPoints, const SalPoint *pPtAry )
824 {
825     drawPolyLine( nPoints, pPtAry, false );
826 }
827 
828 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
829 void X11SalGraphics::drawPolyLine( sal_uLong nPoints, const SalPoint *pPtAry, bool bClose )
830 {
831     if( nPenColor_ != SALCOLOR_NONE)
832     {
833         SalPolyLine Points( nPoints, pPtAry );
834 
835         DrawLines( nPoints, Points, SelectPen(), bClose );
836     }
837 }
838 
839 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
840 void X11SalGraphics::drawPolygon( sal_uLong nPoints, const SalPoint* pPtAry )
841 {
842     if( nPoints == 0 )
843         return;
844 
845     if( nPoints < 3 )
846     {
847         if( !bXORMode_ )
848         {
849             if( 1 == nPoints  )
850                 drawPixel( pPtAry[0].mnX, pPtAry[0].mnY );
851             else
852                 drawLine( pPtAry[0].mnX, pPtAry[0].mnY,
853                           pPtAry[1].mnX, pPtAry[1].mnY );
854         }
855         return;
856     }
857 
858     SalPolyLine Points( nPoints, pPtAry );
859 
860     nPoints++;
861 
862     /* WORKAROUND: some Xservers (Xorg, VIA chipset in this case)
863      * do not draw the visible part of a polygon
864      * if it overlaps to the left of screen 0,y.
865      * This happens to be the case in the gradient drawn in the
866      * menubar background. workaround for the special case of
867      * of a rectangle overlapping to the left.
868      */
869     if( nPoints == 5 &&
870     Points[ 0 ].x == Points[ 1 ].x &&
871         Points[ 1 ].y == Points[ 2 ].y &&
872         Points[ 2 ].x == Points[ 3 ].x &&
873         Points[ 0 ].x == Points[ 4 ].x && Points[ 0 ].y == Points[ 4 ].y
874        )
875     {
876         bool bLeft = false;
877         bool bRight = false;
878         for(unsigned int i = 0; i < nPoints; i++ )
879     {
880             if( Points[i].x < 0 )
881                 bLeft = true;
882             else
883                 bRight= true;
884     }
885     if( bLeft && ! bRight )
886         return;
887     if( bLeft && bRight )
888         {
889             for( unsigned int i = 0; i < nPoints; i++ )
890                 if( Points[i].x < 0 )
891                     Points[i].x = 0;
892         }
893     }
894 
895     if( nBrushColor_ != SALCOLOR_NONE )
896         XFillPolygon( GetXDisplay(),
897                       GetDrawable(),
898                       SelectBrush(),
899                       &Points[0], nPoints,
900                       Complex, CoordModeOrigin );
901 
902     if( nPenColor_ != SALCOLOR_NONE)
903         DrawLines( nPoints, Points, SelectPen(), true );
904 }
905 
906 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
907 void X11SalGraphics::drawPolyPolygon( sal_uInt32        nPoly,
908                                    const sal_uInt32    *pPoints,
909                                    PCONSTSALPOINT  *pPtAry )
910 {
911     if( nBrushColor_ != SALCOLOR_NONE )
912     {
913         sal_uInt32      i, n;
914         XLIB_Region pXRegA  = NULL;
915 
916         for( i = 0; i < nPoly; i++ ) {
917             n = pPoints[i];
918             SalPolyLine Points( n, pPtAry[i] );
919             if( n > 2 )
920             {
921                 XLIB_Region pXRegB = XPolygonRegion( &Points[0], n+1, WindingRule );
922                 if( !pXRegA )
923                     pXRegA = pXRegB;
924                 else
925                 {
926                     XXorRegion( pXRegA, pXRegB, pXRegA );
927                     XDestroyRegion( pXRegB );
928                 }
929             }
930         }
931 
932         if( pXRegA )
933         {
934             XRectangle aXRect;
935             XClipBox( pXRegA, &aXRect );
936 
937             GC pGC = SelectBrush();
938             SetClipRegion( pGC, pXRegA ); // ??? doppelt
939             XDestroyRegion( pXRegA );
940             bBrushGC_ = sal_False;
941 
942             XFillRectangle( GetXDisplay(),
943                             GetDrawable(),
944                             pGC,
945                             aXRect.x, aXRect.y, aXRect.width, aXRect.height );
946         }
947    }
948 
949    if( nPenColor_ != SALCOLOR_NONE )
950        for( sal_uInt32 i = 0; i < nPoly; i++ )
951            drawPolyLine( pPoints[i], pPtAry[i], true );
952 }
953 
954 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
955 
956 sal_Bool X11SalGraphics::drawPolyLineBezier( sal_uLong, const SalPoint*, const BYTE* )
957 {
958     return sal_False;
959 }
960 
961 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
962 
963 sal_Bool X11SalGraphics::drawPolygonBezier( sal_uLong, const SalPoint*, const BYTE* )
964 {
965     return sal_False;
966 }
967 
968 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
969 
970 sal_Bool X11SalGraphics::drawPolyPolygonBezier( sal_uInt32, const sal_uInt32*,
971                                                 const SalPoint* const*, const BYTE* const* )
972 {
973     return sal_False;
974 }
975 
976 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
977 
978 void X11SalGraphics::invert( sal_uLong nPoints,
979                              const SalPoint* pPtAry,
980                              SalInvert nFlags )
981 {
982     SalPolyLine Points ( nPoints, pPtAry );
983 
984     GC pGC;
985     if( SAL_INVERT_50 & nFlags )
986         pGC = GetInvert50GC();
987     else
988         if ( SAL_INVERT_TRACKFRAME & nFlags )
989             pGC = GetTrackingGC();
990         else
991             pGC = GetInvertGC();
992 
993     if( SAL_INVERT_TRACKFRAME & nFlags )
994         DrawLines ( nPoints, Points, pGC, true );
995     else
996         XFillPolygon( GetXDisplay(),
997                       GetDrawable(),
998                       pGC,
999                       &Points[0], nPoints,
1000                       Complex, CoordModeOrigin );
1001 }
1002 
1003 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
1004 
1005 BOOL X11SalGraphics::drawEPS( long,long,long,long,void*,sal_uLong )
1006 {
1007     return sal_False;
1008 }
1009 
1010 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
1011 
1012 XID X11SalGraphics::GetXRenderPicture()
1013 {
1014     XRenderPeer& rRenderPeer = XRenderPeer::GetInstance();
1015 
1016     if( !m_aRenderPicture )
1017     {
1018         // check xrender support for matching visual
1019         // find a XRenderPictFormat compatible with the Drawable
1020         XRenderPictFormat* pVisualFormat = static_cast<XRenderPictFormat*>(GetXRenderFormat());
1021         if( !pVisualFormat )
1022         {
1023             Visual* pVisual = GetDisplay()->GetVisual( m_nScreen ).GetVisual();
1024             pVisualFormat = rRenderPeer.FindVisualFormat( pVisual );
1025             if( !pVisualFormat )
1026                 return 0;
1027             // cache the XRenderPictFormat
1028             SetXRenderFormat( static_cast<void*>(pVisualFormat) );
1029         }
1030 
1031         // get the matching xrender target for drawable
1032         m_aRenderPicture = rRenderPeer.CreatePicture( hDrawable_, pVisualFormat, 0, NULL );
1033     }
1034 
1035 #if 0
1036     // setup clipping so the callers don't have to do it themselves
1037     // TODO: avoid clipping if already set correctly
1038     if( mpClipRegion && !XEmptyRegion( mpClipRegion ) )
1039         rRenderPeer.SetPictureClipRegion( aDstPic, mpClipRegion );
1040     else
1041 #endif
1042     {
1043         // reset clip region
1044         // TODO: avoid clip reset if already done
1045         XRenderPictureAttributes aAttr;
1046         aAttr.clip_mask = None;
1047         rRenderPeer.ChangePicture( m_aRenderPicture, CPClipMask, &aAttr );
1048     }
1049 
1050     return m_aRenderPicture;
1051 }
1052 
1053 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
1054 
1055 SystemGraphicsData X11SalGraphics::GetGraphicsData() const
1056 {
1057     SystemGraphicsData aRes;
1058 
1059     aRes.nSize = sizeof(aRes);
1060     aRes.pDisplay  = GetXDisplay();
1061     aRes.hDrawable = hDrawable_;
1062     aRes.pVisual   = GetDisplay()->GetVisual( m_nScreen ).GetVisual();
1063     aRes.nScreen   = m_nScreen;
1064     aRes.nDepth    = GetDisplay()->GetVisual( m_nScreen ).GetDepth();
1065     aRes.aColormap = GetDisplay()->GetColormap( m_nScreen ).GetXColormap();
1066     aRes.pRenderFormat = m_pRenderFormat;
1067     return aRes;
1068 }
1069 
1070 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
1071 
1072 // draw a poly-polygon
1073 bool X11SalGraphics::drawPolyPolygon( const ::basegfx::B2DPolyPolygon& rOrigPolyPoly, double fTransparency )
1074 {
1075     // nothing to do for empty polypolygons
1076     const int nOrigPolyCount = rOrigPolyPoly.count();
1077     if( nOrigPolyCount <= 0 )
1078         return sal_True;
1079 
1080     // nothing to do if everything is transparent
1081     if( (nBrushColor_ == SALCOLOR_NONE)
1082     &&  (nPenColor_ == SALCOLOR_NONE) )
1083         return sal_True;
1084 
1085     // cannot handle pencolor!=brushcolor yet
1086     if( (nPenColor_ != SALCOLOR_NONE)
1087     &&  (nPenColor_ != nBrushColor_) )
1088         return sal_False;
1089 
1090     // TODO: remove the env-variable when no longer needed
1091     static const char* pRenderEnv = getenv( "SAL_DISABLE_RENDER_POLY" );
1092     if( pRenderEnv )
1093         return sal_False;
1094 
1095     // snap to raster if requested
1096     basegfx::B2DPolyPolygon aPolyPoly = rOrigPolyPoly;
1097     const bool bSnapToRaster = !getAntiAliasB2DDraw();
1098     if( bSnapToRaster )
1099         aPolyPoly = basegfx::tools::snapPointsOfHorizontalOrVerticalEdges( aPolyPoly );
1100 
1101     // don't bother with polygons outside of visible area
1102     const basegfx::B2DRange aViewRange( 0, 0, GetGraphicsWidth(), GetGraphicsHeight() );
1103     aPolyPoly = basegfx::tools::clipPolyPolygonOnRange( aPolyPoly, aViewRange, true, false );
1104     if( !aPolyPoly.count() )
1105         return true;
1106 
1107     // tesselate the polypolygon into trapezoids
1108     basegfx::B2DTrapezoidVector aB2DTrapVector;
1109     basegfx::tools::trapezoidSubdivide( aB2DTrapVector, aPolyPoly );
1110     const int nTrapCount = aB2DTrapVector.size();
1111     if( !nTrapCount )
1112         return true;
1113     const bool bDrawn = drawFilledTrapezoids( &aB2DTrapVector[0], nTrapCount, fTransparency );
1114     return bDrawn;
1115 }
1116 
1117 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
1118 
1119 bool X11SalGraphics::drawFilledTrapezoids( const ::basegfx::B2DTrapezoid* pB2DTraps, int nTrapCount, double fTransparency )
1120 {
1121     if( nTrapCount <= 0 )
1122         return true;
1123 
1124     Picture aDstPic = GetXRenderPicture();
1125     // check xrender support for this drawable
1126     if( !aDstPic )
1127         return false;
1128 
1129      // convert the B2DTrapezoids into XRender-Trapezoids
1130     typedef std::vector<XTrapezoid> TrapezoidVector;
1131     TrapezoidVector aTrapVector( nTrapCount );
1132     const basegfx::B2DTrapezoid* pB2DTrap = pB2DTraps;
1133     for( int i = 0; i < nTrapCount; ++pB2DTrap, ++i )
1134     {
1135         XTrapezoid& rTrap = aTrapVector[ i ] ;
1136 
1137          // set y-coordinates
1138         const double fY1 = pB2DTrap->getTopY();
1139         rTrap.left.p1.y = rTrap.right.p1.y = rTrap.top = XDoubleToFixed( fY1 );
1140         const double fY2 = pB2DTrap->getBottomY();
1141         rTrap.left.p2.y = rTrap.right.p2.y = rTrap.bottom = XDoubleToFixed( fY2 );
1142 
1143          // set x-coordinates
1144         const double fXL1 = pB2DTrap->getTopXLeft();
1145         rTrap.left.p1.x = XDoubleToFixed( fXL1 );
1146         const double fXR1 = pB2DTrap->getTopXRight();
1147         rTrap.right.p1.x = XDoubleToFixed( fXR1 );
1148         const double fXL2 = pB2DTrap->getBottomXLeft();
1149         rTrap.left.p2.x = XDoubleToFixed( fXL2 );
1150         const double fXR2 = pB2DTrap->getBottomXRight();
1151         rTrap.right.p2.x = XDoubleToFixed( fXR2 );
1152     }
1153 
1154     // get xrender Picture for polygon foreground
1155     // TODO: cache it like the target picture which uses GetXRenderPicture()
1156     XRenderPeer& rRenderPeer = XRenderPeer::GetInstance();
1157     SalDisplay::RenderEntry& rEntry = GetDisplay()->GetRenderEntries( m_nScreen )[ 32 ];
1158     if( !rEntry.m_aPicture )
1159     {
1160         Display* pXDisplay = GetXDisplay();
1161 
1162         rEntry.m_aPixmap = ::XCreatePixmap( pXDisplay, hDrawable_, 1, 1, 32 );
1163         XRenderPictureAttributes aAttr;
1164         aAttr.repeat = true;
1165 
1166         XRenderPictFormat* pXRPF = rRenderPeer.FindStandardFormat( PictStandardARGB32 );
1167         rEntry.m_aPicture = rRenderPeer.CreatePicture( rEntry.m_aPixmap, pXRPF, CPRepeat, &aAttr );
1168     }
1169 
1170     // set polygon foreground color and opacity
1171     XRenderColor aRenderColor = GetXRenderColor( nBrushColor_ , fTransparency );
1172     rRenderPeer.FillRectangle( PictOpSrc, rEntry.m_aPicture, &aRenderColor, 0, 0, 1, 1 );
1173 
1174     // set clipping
1175     // TODO: move into GetXRenderPicture?
1176     if( mpClipRegion && !XEmptyRegion( mpClipRegion ) )
1177         rRenderPeer.SetPictureClipRegion( aDstPic, mpClipRegion );
1178 
1179     // render the trapezoids
1180     const XRenderPictFormat* pMaskFormat = rRenderPeer.GetStandardFormatA8();
1181     rRenderPeer.CompositeTrapezoids( PictOpOver,
1182         rEntry.m_aPicture, aDstPic, pMaskFormat, 0, 0, &aTrapVector[0], aTrapVector.size() );
1183 
1184     return true;
1185 }
1186 
1187 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
1188 
1189 bool X11SalGraphics::drawPolyLine(
1190     const ::basegfx::B2DPolygon& rPolygon,
1191     double fTransparency,
1192     const ::basegfx::B2DVector& rLineWidth,
1193     basegfx::B2DLineJoin eLineJoin,
1194     com::sun::star::drawing::LineCap eLineCap)
1195 {
1196     const bool bIsHairline = (rLineWidth.getX() == rLineWidth.getY()) && (rLineWidth.getX() <= 1.2);
1197 
1198     // #i101491#
1199     if( !bIsHairline && (rPolygon.count() > 1000) )
1200     {
1201         // the used basegfx::tools::createAreaGeometry is simply too
1202         // expensive with very big polygons; fallback to caller (who
1203         // should use ImplLineConverter normally)
1204         // AW: ImplLineConverter had to be removed since it does not even
1205         // know LineJoins, so the fallback will now prepare the line geometry
1206         // the same way.
1207         return false;
1208     }
1209 
1210     // temporarily adjust brush color to pen color
1211     // since the line is drawn as an area-polygon
1212     const SalColor aKeepBrushColor = nBrushColor_;
1213     nBrushColor_ = nPenColor_;
1214 
1215     // #i11575#desc5#b adjust B2D tesselation result to raster positions
1216     basegfx::B2DPolygon aPolygon = rPolygon;
1217     const double fHalfWidth = 0.5 * rLineWidth.getX();
1218     aPolygon.transform( basegfx::tools::createTranslateB2DHomMatrix(+fHalfWidth,+fHalfWidth) );
1219 
1220     // shortcut for hairline drawing to improve performance
1221     bool bDrawnOk = true;
1222     if( bIsHairline )
1223     {
1224         // hairlines can benefit from a simplified tesselation
1225         // e.g. for hairlines the linejoin style can be ignored
1226         basegfx::B2DTrapezoidVector aB2DTrapVector;
1227         basegfx::tools::createLineTrapezoidFromB2DPolygon( aB2DTrapVector, aPolygon, rLineWidth.getX() );
1228 
1229         // draw tesselation result
1230         const int nTrapCount = aB2DTrapVector.size();
1231         if( nTrapCount > 0 )
1232             bDrawnOk = drawFilledTrapezoids( &aB2DTrapVector[0], nTrapCount, fTransparency );
1233 
1234         // restore the original brush GC
1235         nBrushColor_ = aKeepBrushColor;
1236         return bDrawnOk;
1237     }
1238 
1239     // get the area polygon for the line polygon
1240     if( (rLineWidth.getX() != rLineWidth.getY())
1241     && !basegfx::fTools::equalZero( rLineWidth.getY() ) )
1242     {
1243         // prepare for createAreaGeometry() with anisotropic linewidth
1244         aPolygon.transform( basegfx::tools::createScaleB2DHomMatrix(1.0, rLineWidth.getX() / rLineWidth.getY()));
1245     }
1246 
1247     // create the area-polygon for the line
1248     const basegfx::B2DPolyPolygon aAreaPolyPoly( basegfx::tools::createAreaGeometry(aPolygon, fHalfWidth, eLineJoin, eLineCap) );
1249 
1250     if( (rLineWidth.getX() != rLineWidth.getY())
1251     && !basegfx::fTools::equalZero( rLineWidth.getX() ) )
1252     {
1253         // postprocess createAreaGeometry() for anisotropic linewidth
1254         aPolygon.transform(basegfx::tools::createScaleB2DHomMatrix(1.0, rLineWidth.getY() / rLineWidth.getX()));
1255     }
1256 
1257     // draw each area polypolygon component individually
1258     // to emulate the polypolygon winding rule "non-zero"
1259     const int nPolyCount = aAreaPolyPoly.count();
1260     for( int nPolyIdx = 0; nPolyIdx < nPolyCount; ++nPolyIdx )
1261     {
1262         const ::basegfx::B2DPolyPolygon aOnePoly( aAreaPolyPoly.getB2DPolygon( nPolyIdx ) );
1263         bDrawnOk = drawPolyPolygon( aOnePoly, fTransparency );
1264         if( !bDrawnOk )
1265             break;
1266     }
1267 
1268     // restore the original brush GC
1269     nBrushColor_ = aKeepBrushColor;
1270     return bDrawnOk;
1271 }
1272 
1273 // -=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=
1274 
1275