xref: /AOO41X/main/svx/source/svdraw/sdrpaintwindow.cxx (revision e6f63103da479d1a7dee04420ba89525dac05278)
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21 
22 
23 
24 // MARKER(update_precomp.py): autogen include statement, do not remove
25 #include "precompiled_svx.hxx"
26 #include <svx/sdrpaintwindow.hxx>
27 #include <svx/sdr/overlay/overlaymanagerbuffered.hxx>
28 #include <svx/svdpntv.hxx>
29 #include <vcl/gdimtf.hxx>
30 #include <vcl/svapp.hxx>
31 
32 ////////////////////////////////////////////////////////////////////////////////////////////////////
33 
SdrPreRenderDevice(OutputDevice & rOriginal)34 SdrPreRenderDevice::SdrPreRenderDevice(OutputDevice& rOriginal)
35 :   mrOutputDevice(rOriginal)
36 {
37 }
38 
~SdrPreRenderDevice()39 SdrPreRenderDevice::~SdrPreRenderDevice()
40 {
41 }
42 
PreparePreRenderDevice()43 void SdrPreRenderDevice::PreparePreRenderDevice()
44 {
45     // compare size of maPreRenderDevice with size of visible area
46     if(maPreRenderDevice.GetOutputSizePixel() != mrOutputDevice.GetOutputSizePixel())
47     {
48         maPreRenderDevice.SetOutputSizePixel(mrOutputDevice.GetOutputSizePixel());
49     }
50 
51     // Also compare the MapModes for zoom/scroll changes
52     if(maPreRenderDevice.GetMapMode() != mrOutputDevice.GetMapMode())
53     {
54         maPreRenderDevice.SetMapMode(mrOutputDevice.GetMapMode());
55     }
56 
57     // #i29186#
58     maPreRenderDevice.SetDrawMode(mrOutputDevice.GetDrawMode());
59     maPreRenderDevice.SetSettings(mrOutputDevice.GetSettings());
60 }
61 
OutputPreRenderDevice(const Region & rExpandedRegion)62 void SdrPreRenderDevice::OutputPreRenderDevice(const Region& rExpandedRegion)
63 {
64     // region to pixels
65     const Region aRegionPixel(mrOutputDevice.LogicToPixel(rExpandedRegion));
66     //RegionHandle aRegionHandle(aRegionPixel.BeginEnumRects());
67     //Rectangle aRegionRectanglePixel;
68 
69     // MapModes off
70     sal_Bool bMapModeWasEnabledDest(mrOutputDevice.IsMapModeEnabled());
71     sal_Bool bMapModeWasEnabledSource(maPreRenderDevice.IsMapModeEnabled());
72     mrOutputDevice.EnableMapMode(sal_False);
73     maPreRenderDevice.EnableMapMode(sal_False);
74 
75     RectangleVector aRectangles;
76     aRegionPixel.GetRegionRectangles(aRectangles);
77 
78     for(RectangleVector::const_iterator aRectIter(aRectangles.begin()); aRectIter != aRectangles.end(); aRectIter++)
79     {
80         // for each rectangle, copy the area
81         const Point aTopLeft(aRectIter->TopLeft());
82         const Size aSize(aRectIter->GetSize());
83 
84         mrOutputDevice.DrawOutDev(
85             aTopLeft, aSize,
86             aTopLeft, aSize,
87             maPreRenderDevice);
88 
89 #ifdef DBG_UTIL
90         // #i74769#
91         static bool bDoPaintForVisualControlRegion(false);
92 
93         if(bDoPaintForVisualControlRegion)
94         {
95             const Color aColor((((((rand()&0x7f)|0x80)<<8L)|((rand()&0x7f)|0x80))<<8L)|((rand()&0x7f)|0x80));
96 
97             mrOutputDevice.SetLineColor(aColor);
98             mrOutputDevice.SetFillColor();
99             mrOutputDevice.DrawRect(*aRectIter);
100         }
101 #endif
102     }
103 
104 //  while(aRegionPixel.GetEnumRects(aRegionHandle, aRegionRectanglePixel))
105 //  {
106 //      // for each rectangle, copy the area
107 //      const Point aTopLeft(aRegionRectanglePixel.TopLeft());
108 //      const Size aSize(aRegionRectanglePixel.GetSize());
109 //
110 //      mrOutputDevice.DrawOutDev(
111 //          aTopLeft, aSize,
112 //          aTopLeft, aSize,
113 //          maPreRenderDevice);
114 //
115 //#ifdef DBG_UTIL
116 //      // #i74769#
117 //      static bool bDoPaintForVisualControlRegion(false);
118 //      if(bDoPaintForVisualControlRegion)
119 //      {
120 //          Color aColor((((((rand()&0x7f)|0x80)<<8L)|((rand()&0x7f)|0x80))<<8L)|((rand()&0x7f)|0x80));
121 //          mrOutputDevice.SetLineColor(aColor);
122 //          mrOutputDevice.SetFillColor();
123 //          mrOutputDevice.DrawRect(aRegionRectanglePixel);
124 //      }
125 //#endif
126 //  }
127 //
128 //  aRegionPixel.EndEnumRects(aRegionHandle);
129 
130     mrOutputDevice.EnableMapMode(bMapModeWasEnabledDest);
131     maPreRenderDevice.EnableMapMode(bMapModeWasEnabledSource);
132 }
133 
134 ////////////////////////////////////////////////////////////////////////////////////////////////////
135 
impCreateOverlayManager()136 void SdrPaintWindow::impCreateOverlayManager()
137 {
138     // not yet one created?
139     if(!mpOverlayManager)
140     {
141         // is it a window?
142         if(OUTDEV_WINDOW == GetOutputDevice().GetOutDevType())
143         {
144             // decide which OverlayManager to use
145             if(GetPaintView().IsBufferedOverlayAllowed() && mbUseBuffer)
146             {
147                 // buffered OverlayManager, buffers it's background and refreshes from there
148                 // for pure overlay changes (no system redraw). The 3rd parameter specifies
149                 // if that refresh itself will use a 2nd vdev to avoid flickering.
150                 // Also hand over the evtl. existing old OverlayManager; this means to take over
151                 // the registered OverlayObjects from it
152                 mpOverlayManager = new ::sdr::overlay::OverlayManagerBuffered(GetOutputDevice(), true);
153             }
154             else
155             {
156                 // unbuffered OverlayManager, just invalidates places where changes
157                 // take place
158                 // Also hand over the evtl. existing old OverlayManager; this means to take over
159                 // the registered OverlayObjects from it
160                 mpOverlayManager = new ::sdr::overlay::OverlayManager(GetOutputDevice());
161             }
162 
163             OSL_ENSURE(mpOverlayManager, "SdrPaintWindow::SdrPaintWindow: Could not allocate an overlayManager (!)");
164 
165             // Request a repaint so that the buffered overlay manager fills
166             // its buffer properly.  This is a workaround for missing buffer
167             // updates.
168             Window* pWindow = dynamic_cast<Window*>(&GetOutputDevice());
169             if (pWindow != NULL)
170                 pWindow->Invalidate();
171 
172             Color aColA(GetPaintView().getOptionsDrawinglayer().GetStripeColorA());
173             Color aColB(GetPaintView().getOptionsDrawinglayer().GetStripeColorB());
174 
175             if(Application::GetSettings().GetStyleSettings().GetHighContrastMode())
176             {
177                 aColA = aColB = Application::GetSettings().GetStyleSettings().GetHighlightColor();
178                 aColB.Invert();
179             }
180 
181             mpOverlayManager->setStripeColorA(aColA);
182             mpOverlayManager->setStripeColorB(aColB);
183             mpOverlayManager->setStripeLengthPixel(GetPaintView().getOptionsDrawinglayer().GetStripeLength());
184         }
185     }
186 }
187 
SdrPaintWindow(SdrPaintView & rNewPaintView,OutputDevice & rOut)188 SdrPaintWindow::SdrPaintWindow(SdrPaintView& rNewPaintView, OutputDevice& rOut)
189 :   mrOutputDevice(rOut),
190     mrPaintView(rNewPaintView),
191     mpOverlayManager(0L),
192     mpPreRenderDevice(0L),
193     mbTemporaryTarget(false), // #i72889#
194     mbUseBuffer(true)
195 {
196 }
197 
~SdrPaintWindow()198 SdrPaintWindow::~SdrPaintWindow()
199 {
200     if(mpOverlayManager)
201     {
202         delete mpOverlayManager;
203         mpOverlayManager = 0L;
204     }
205 
206     DestroyPreRenderDevice();
207 }
208 
GetOverlayManager() const209 ::sdr::overlay::OverlayManager* SdrPaintWindow::GetOverlayManager() const
210 {
211     if(!mpOverlayManager)
212     {
213         // Create buffered overlay manager by default.
214         const_cast< SdrPaintWindow* >(this)->impCreateOverlayManager();
215     }
216 
217     return mpOverlayManager;
218 }
219 
GetVisibleArea() const220 Rectangle SdrPaintWindow::GetVisibleArea() const
221 {
222     Size aVisSizePixel(GetOutputDevice().GetOutputSizePixel());
223     return Rectangle(GetOutputDevice().PixelToLogic(Rectangle(Point(0,0), aVisSizePixel)));
224 }
225 
OutputToRecordingMetaFile() const226 sal_Bool SdrPaintWindow::OutputToRecordingMetaFile() const
227 {
228     GDIMetaFile* pMetaFile = mrOutputDevice.GetConnectMetaFile();
229     return (pMetaFile && pMetaFile->IsRecord() && !pMetaFile->IsPause());
230 }
231 
PreparePreRenderDevice()232 void SdrPaintWindow::PreparePreRenderDevice()
233 {
234     const sal_Bool bPrepareBufferedOutput(
235         mrPaintView.IsBufferedOutputAllowed()
236         && !OutputToPrinter()
237         && !OutputToVirtualDevice()
238         && !OutputToRecordingMetaFile());
239 
240     if(bPrepareBufferedOutput)
241     {
242         if(!mpPreRenderDevice)
243         {
244             mpPreRenderDevice = new SdrPreRenderDevice(mrOutputDevice);
245         }
246     }
247     else
248     {
249         DestroyPreRenderDevice();
250     }
251 
252     if(mpPreRenderDevice)
253     {
254         mpPreRenderDevice->PreparePreRenderDevice();
255     }
256 }
257 
DestroyPreRenderDevice()258 void SdrPaintWindow::DestroyPreRenderDevice()
259 {
260     if(mpPreRenderDevice)
261     {
262         delete mpPreRenderDevice;
263         mpPreRenderDevice = 0L;
264     }
265 }
266 
OutputPreRenderDevice(const Region & rExpandedRegion)267 void SdrPaintWindow::OutputPreRenderDevice(const Region& rExpandedRegion)
268 {
269     if(mpPreRenderDevice)
270     {
271         mpPreRenderDevice->OutputPreRenderDevice(rExpandedRegion);
272     }
273 }
274 
275 // #i73602# add flag if buffer shall be used
DrawOverlay(const Region & rRegion)276 void SdrPaintWindow::DrawOverlay(const Region& rRegion)
277 {
278     // ## force creation of OverlayManager since the first repaint needs to
279     // save the background to get a controlled start into overlay mechanism
280     impCreateOverlayManager();
281 
282     if(mpOverlayManager && !OutputToPrinter())
283     {
284         if(mpPreRenderDevice)
285         {
286             mpOverlayManager->completeRedraw(rRegion, &mpPreRenderDevice->GetPreRenderDevice());
287         }
288         else
289         {
290             mpOverlayManager->completeRedraw(rRegion);
291         }
292     }
293 }
294 
HideOverlay(const Region & rRegion)295 void SdrPaintWindow::HideOverlay(const Region& rRegion)
296 {
297     if(mpOverlayManager && !OutputToPrinter())
298     {
299         if(!mpPreRenderDevice)
300         {
301             mpOverlayManager->restoreBackground(rRegion);
302         }
303     }
304 }
305 
GetRedrawRegion() const306 const Region& SdrPaintWindow::GetRedrawRegion() const
307 {
308     return maRedrawRegion;
309 }
310 
SetRedrawRegion(const Region & rNew)311 void SdrPaintWindow::SetRedrawRegion(const Region& rNew)
312 {
313     maRedrawRegion = rNew;
314 }
315 
316 ////////////////////////////////////////////////////////////////////////////////////////////////////
317 // eof
318