1 /************************************************************** 2 * 3 * Licensed to the Apache Software Foundation (ASF) under one 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 7 * to you under the Apache License, Version 2.0 (the 8 * "License"); you may not use this file except in compliance 9 * with the License. You may obtain a copy of the License at 10 * 11 * http://www.apache.org/licenses/LICENSE-2.0 12 * 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 18 * under the License. 19 * 20 *************************************************************/ 21 22 23 24 // MARKER(update_precomp.py): autogen include statement, do not remove 25 #include "precompiled_svx.hxx" 26 #include <svx/sdr/overlay/overlaymanager.hxx> 27 #include <basegfx/point/b2dpoint.hxx> 28 #include <basegfx/range/b2drange.hxx> 29 #include <tools/gen.hxx> 30 #include <vcl/salbtype.hxx> 31 #include <vcl/outdev.hxx> 32 #include <vcl/window.hxx> 33 #include <svx/sdr/overlay/overlayobject.hxx> 34 #include <basegfx/matrix/b2dhommatrix.hxx> 35 #include <drawinglayer/processor2d/baseprocessor2d.hxx> 36 #include <svx/sdr/contact/objectcontacttools.hxx> 37 38 ////////////////////////////////////////////////////////////////////////////// 39 40 using namespace com::sun::star; 41 42 ////////////////////////////////////////////////////////////////////////////// 43 44 namespace sdr 45 { 46 namespace overlay 47 { 48 void OverlayManager::ImpDrawMembers(const basegfx::B2DRange& rRange, OutputDevice& rDestinationDevice) const 49 { 50 const sal_uInt32 nSize(maOverlayObjects.size()); 51 52 if(nSize) 53 { 54 const sal_uInt16 nOriginalAA(rDestinationDevice.GetAntialiasing()); 55 const bool bIsAntiAliasing(getDrawinglayerOpt().IsAntiAliasing()); 56 57 // create processor 58 drawinglayer::processor2d::BaseProcessor2D* pProcessor = ::sdr::contact::createBaseProcessor2DFromOutputDevice( 59 rDestinationDevice, 60 getCurrentViewInformation2D()); 61 62 if(pProcessor) 63 { 64 for(OverlayObjectVector::const_iterator aIter(maOverlayObjects.begin()); aIter != maOverlayObjects.end(); aIter++) 65 { 66 OSL_ENSURE(*aIter, "Corrupted OverlayObject List (!)"); 67 const OverlayObject& rCandidate = **aIter; 68 69 if(rCandidate.isVisible()) 70 { 71 const drawinglayer::primitive2d::Primitive2DSequence& rSequence = rCandidate.getOverlayObjectPrimitive2DSequence(); 72 73 if(rSequence.hasElements()) 74 { 75 if(rRange.overlaps(rCandidate.getBaseRange())) 76 { 77 if(bIsAntiAliasing && rCandidate.allowsAntiAliase()) 78 { 79 rDestinationDevice.SetAntialiasing(nOriginalAA | ANTIALIASING_ENABLE_B2DDRAW); 80 } 81 else 82 { 83 rDestinationDevice.SetAntialiasing(nOriginalAA & ~ANTIALIASING_ENABLE_B2DDRAW); 84 } 85 86 pProcessor->process(rSequence); 87 } 88 } 89 } 90 } 91 92 delete pProcessor; 93 } 94 95 // restore AA settings 96 rDestinationDevice.SetAntialiasing(nOriginalAA); 97 } 98 } 99 100 void OverlayManager::ImpStripeDefinitionChanged() 101 { 102 const sal_uInt32 nSize(maOverlayObjects.size()); 103 104 if(nSize) 105 { 106 for(OverlayObjectVector::iterator aIter(maOverlayObjects.begin()); aIter != maOverlayObjects.end(); aIter++) 107 { 108 OSL_ENSURE(*aIter, "Corrupted OverlayObject List (!)"); 109 OverlayObject& rCandidate = **aIter; 110 rCandidate.stripeDefinitionHasChanged(); 111 } 112 } 113 } 114 115 double OverlayManager::getDiscreteOne() const 116 { 117 if(basegfx::fTools::equalZero(mfDiscreteOne)) 118 { 119 const basegfx::B2DVector aDiscreteInLogic(getOutputDevice().GetInverseViewTransformation() * basegfx::B2DVector(1.0, 0.0)); 120 const_cast< OverlayManager* >(this)->mfDiscreteOne = aDiscreteInLogic.getLength(); 121 } 122 123 return mfDiscreteOne; 124 } 125 126 OverlayManager::OverlayManager( 127 OutputDevice& rOutputDevice, 128 OverlayManager* pOldOverlayManager) 129 : Scheduler(), 130 rmOutputDevice(rOutputDevice), 131 maOverlayObjects(), 132 maStripeColorA(Color(COL_BLACK)), 133 maStripeColorB(Color(COL_WHITE)), 134 mnStripeLengthPixel(5), 135 maDrawinglayerOpt(), 136 maViewTransformation(), 137 maViewInformation2D(), 138 mfDiscreteOne(0.0) 139 { 140 // set Property 'ReducedDisplayQuality' to true to allow simpler interaction 141 // visualisations 142 static bool bUseReducedDisplayQualityForDrag(true); 143 144 if(bUseReducedDisplayQualityForDrag) 145 { 146 uno::Sequence< beans::PropertyValue > xProperties(1); 147 xProperties[0].Name = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("ReducedDisplayQuality")); 148 xProperties[0].Value <<= true; 149 maViewInformation2D = drawinglayer::geometry::ViewInformation2D(xProperties); 150 } 151 152 if(pOldOverlayManager) 153 { 154 // take over OverlayObjects from given OverlayManager. Copy 155 // the vector of pointers 156 maOverlayObjects = pOldOverlayManager->maOverlayObjects; 157 const sal_uInt32 nSize(maOverlayObjects.size()); 158 159 if(nSize) 160 { 161 for(OverlayObjectVector::iterator aIter(maOverlayObjects.begin()); aIter != maOverlayObjects.end(); aIter++) 162 { 163 OSL_ENSURE(*aIter, "Corrupted OverlayObject List (!)"); 164 OverlayObject& rCandidate = **aIter; 165 166 // remove from old and add to new OverlayManager 167 pOldOverlayManager->impApplyRemoveActions(rCandidate); 168 impApplyAddActions(rCandidate); 169 } 170 171 pOldOverlayManager->maOverlayObjects.clear(); 172 } 173 } 174 } 175 176 const drawinglayer::geometry::ViewInformation2D OverlayManager::getCurrentViewInformation2D() const 177 { 178 if(getOutputDevice().GetViewTransformation() != maViewTransformation) 179 { 180 basegfx::B2DRange aViewRange(maViewInformation2D.getViewport()); 181 182 if(OUTDEV_WINDOW == getOutputDevice().GetOutDevType()) 183 { 184 const Size aOutputSizePixel(getOutputDevice().GetOutputSizePixel()); 185 aViewRange = basegfx::B2DRange(0.0, 0.0, aOutputSizePixel.getWidth(), aOutputSizePixel.getHeight()); 186 aViewRange.transform(getOutputDevice().GetInverseViewTransformation()); 187 } 188 189 OverlayManager* pThis = const_cast< OverlayManager* >(this); 190 191 pThis->maViewTransformation = getOutputDevice().GetViewTransformation(); 192 pThis->maViewInformation2D = drawinglayer::geometry::ViewInformation2D( 193 maViewInformation2D.getObjectTransformation(), 194 maViewTransformation, 195 aViewRange, 196 maViewInformation2D.getVisualizedPage(), 197 maViewInformation2D.getViewTime(), 198 maViewInformation2D.getExtendedInformationSequence()); 199 pThis->mfDiscreteOne = 0.0; 200 } 201 202 return maViewInformation2D; 203 } 204 205 void OverlayManager::impApplyRemoveActions(OverlayObject& rTarget) 206 { 207 // handle evtl. animation 208 if(rTarget.allowsAnimation()) 209 { 210 // remove from event chain 211 RemoveEvent(&rTarget); 212 } 213 214 // make invisible 215 invalidateRange(rTarget.getBaseRange()); 216 217 // clear manager 218 rTarget.mpOverlayManager = 0; 219 } 220 221 void OverlayManager::impApplyAddActions(OverlayObject& rTarget) 222 { 223 // set manager 224 rTarget.mpOverlayManager = this; 225 226 // make visible 227 invalidateRange(rTarget.getBaseRange()); 228 229 // handle evtl. animation 230 if(rTarget.allowsAnimation()) 231 { 232 // Trigger at current time to get alive. This will do the 233 // object-specific next time calculation and hand over adding 234 // again to the scheduler to the animated object, too. This works for 235 // a paused or non-paused animator. 236 rTarget.Trigger(GetTime()); 237 } 238 } 239 240 OverlayManager::~OverlayManager() 241 { 242 // The OverlayManager is not the owner of the OverlayObjects 243 // and thus will not delete them, but remove them. Profit here 244 // from knowing that all will be removed 245 const sal_uInt32 nSize(maOverlayObjects.size()); 246 247 if(nSize) 248 { 249 for(OverlayObjectVector::iterator aIter(maOverlayObjects.begin()); aIter != maOverlayObjects.end(); aIter++) 250 { 251 OSL_ENSURE(*aIter, "Corrupted OverlayObject List (!)"); 252 OverlayObject& rCandidate = **aIter; 253 impApplyRemoveActions(rCandidate); 254 } 255 256 // erase vector 257 maOverlayObjects.clear(); 258 } 259 } 260 261 void OverlayManager::completeRedraw(const Region& rRegion, OutputDevice* pPreRenderDevice) const 262 { 263 if(!rRegion.IsEmpty() && maOverlayObjects.size()) 264 { 265 // check for changed MapModes. That may influence the 266 // logical size of pixel based OverlayObjects (like BitmapHandles) 267 //ImpCheckMapModeChange(); 268 269 // paint members 270 const Rectangle aRegionBoundRect(rRegion.GetBoundRect()); 271 const basegfx::B2DRange aRegionRange( 272 aRegionBoundRect.Left(), aRegionBoundRect.Top(), 273 aRegionBoundRect.Right(), aRegionBoundRect.Bottom()); 274 275 OutputDevice& rTarget = (pPreRenderDevice) ? *pPreRenderDevice : getOutputDevice(); 276 ImpDrawMembers(aRegionRange, rTarget); 277 } 278 } 279 280 void OverlayManager::flush() 281 { 282 // default has nothing to do 283 } 284 285 // #i68597# part of content gets copied, react on it 286 void OverlayManager::copyArea(const Point& /*rDestPt*/, const Point& /*rSrcPt*/, const Size& /*rSrcSize*/) 287 { 288 // unbuffered versions do nothing here 289 } 290 291 void OverlayManager::restoreBackground(const Region& /*rRegion*/) const 292 { 293 // unbuffered versions do nothing here 294 } 295 296 void OverlayManager::add(OverlayObject& rOverlayObject) 297 { 298 OSL_ENSURE(0 == rOverlayObject.mpOverlayManager, "OverlayObject is added twice to an OverlayManager (!)"); 299 300 // add to the end of chain to preserve display order in paint 301 maOverlayObjects.push_back(&rOverlayObject); 302 303 // execute add actions 304 impApplyAddActions(rOverlayObject); 305 } 306 307 void OverlayManager::remove(OverlayObject& rOverlayObject) 308 { 309 OSL_ENSURE(rOverlayObject.mpOverlayManager == this, "OverlayObject is removed from wrong OverlayManager (!)"); 310 311 // execute remove actions 312 impApplyRemoveActions(rOverlayObject); 313 314 // remove from vector 315 const OverlayObjectVector::iterator aFindResult = ::std::find(maOverlayObjects.begin(), maOverlayObjects.end(), &rOverlayObject); 316 const bool bFound(aFindResult != maOverlayObjects.end()); 317 OSL_ENSURE(bFound, "OverlayObject NOT found at OverlayManager (!)"); 318 319 if(bFound) 320 { 321 maOverlayObjects.erase(aFindResult); 322 } 323 } 324 325 void OverlayManager::invalidateRange(const basegfx::B2DRange& rRange) 326 { 327 if(OUTDEV_WINDOW == getOutputDevice().GetOutDevType()) 328 { 329 if(getDrawinglayerOpt().IsAntiAliasing()) 330 { 331 // assume AA needs one pixel more and invalidate one pixel more 332 const double fDiscreteOne(getDiscreteOne()); 333 const Rectangle aInvalidateRectangle( 334 (sal_Int32)floor(rRange.getMinX() - fDiscreteOne), 335 (sal_Int32)floor(rRange.getMinY() - fDiscreteOne), 336 (sal_Int32)ceil(rRange.getMaxX() + fDiscreteOne), 337 (sal_Int32)ceil(rRange.getMaxY() + fDiscreteOne)); 338 339 // simply invalidate 340 ((Window&)getOutputDevice()).Invalidate(aInvalidateRectangle, INVALIDATE_NOERASE); 341 } 342 else 343 { 344 // #i77674# transform to rectangle. Use floor/ceil to get all covered 345 // discrete pixels, see #i75163# and OverlayManagerBuffered::invalidateRange 346 const Rectangle aInvalidateRectangle( 347 (sal_Int32)floor(rRange.getMinX()), (sal_Int32)floor(rRange.getMinY()), 348 (sal_Int32)ceil(rRange.getMaxX()), (sal_Int32)ceil(rRange.getMaxY())); 349 350 // simply invalidate 351 ((Window&)getOutputDevice()).Invalidate(aInvalidateRectangle, INVALIDATE_NOERASE); 352 } 353 } 354 } 355 356 // stripe support ColA 357 void OverlayManager::setStripeColorA(Color aNew) 358 { 359 if(aNew != maStripeColorA) 360 { 361 maStripeColorA = aNew; 362 ImpStripeDefinitionChanged(); 363 } 364 } 365 366 // stripe support ColB 367 void OverlayManager::setStripeColorB(Color aNew) 368 { 369 if(aNew != maStripeColorB) 370 { 371 maStripeColorB = aNew; 372 ImpStripeDefinitionChanged(); 373 } 374 } 375 376 // stripe support StripeLengthPixel 377 void OverlayManager::setStripeLengthPixel(sal_uInt32 nNew) 378 { 379 if(nNew != mnStripeLengthPixel) 380 { 381 mnStripeLengthPixel = nNew; 382 ImpStripeDefinitionChanged(); 383 } 384 } 385 } // end of namespace overlay 386 } // end of namespace sdr 387 388 ////////////////////////////////////////////////////////////////////////////// 389 // eof 390