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(OutputDevice& rOutputDevice) 127 : Scheduler(), 128 rmOutputDevice(rOutputDevice), 129 maOverlayObjects(), 130 maStripeColorA(Color(COL_BLACK)), 131 maStripeColorB(Color(COL_WHITE)), 132 mnStripeLengthPixel(5), 133 maDrawinglayerOpt(), 134 maViewTransformation(), 135 maViewInformation2D(), 136 mfDiscreteOne(0.0) 137 { 138 // set Property 'ReducedDisplayQuality' to true to allow simpler interaction 139 // visualisations 140 static bool bUseReducedDisplayQualityForDrag(true); 141 142 if(bUseReducedDisplayQualityForDrag) 143 { 144 uno::Sequence< beans::PropertyValue > xProperties(1); 145 xProperties[0].Name = rtl::OUString(RTL_CONSTASCII_USTRINGPARAM("ReducedDisplayQuality")); 146 xProperties[0].Value <<= true; 147 maViewInformation2D = drawinglayer::geometry::ViewInformation2D(xProperties); 148 } 149 } 150 151 const drawinglayer::geometry::ViewInformation2D OverlayManager::getCurrentViewInformation2D() const 152 { 153 if(getOutputDevice().GetViewTransformation() != maViewTransformation) 154 { 155 basegfx::B2DRange aViewRange(maViewInformation2D.getViewport()); 156 157 if(OUTDEV_WINDOW == getOutputDevice().GetOutDevType()) 158 { 159 const Size aOutputSizePixel(getOutputDevice().GetOutputSizePixel()); 160 aViewRange = basegfx::B2DRange(0.0, 0.0, aOutputSizePixel.getWidth(), aOutputSizePixel.getHeight()); 161 aViewRange.transform(getOutputDevice().GetInverseViewTransformation()); 162 } 163 164 OverlayManager* pThis = const_cast< OverlayManager* >(this); 165 166 pThis->maViewTransformation = getOutputDevice().GetViewTransformation(); 167 pThis->maViewInformation2D = drawinglayer::geometry::ViewInformation2D( 168 maViewInformation2D.getObjectTransformation(), 169 maViewTransformation, 170 aViewRange, 171 maViewInformation2D.getVisualizedPage(), 172 maViewInformation2D.getViewTime(), 173 maViewInformation2D.getExtendedInformationSequence()); 174 pThis->mfDiscreteOne = 0.0; 175 } 176 177 return maViewInformation2D; 178 } 179 180 void OverlayManager::impApplyRemoveActions(OverlayObject& rTarget) 181 { 182 // handle evtl. animation 183 if(rTarget.allowsAnimation()) 184 { 185 // remove from event chain 186 RemoveEvent(&rTarget); 187 } 188 189 // make invisible 190 invalidateRange(rTarget.getBaseRange()); 191 192 // clear manager 193 rTarget.mpOverlayManager = 0; 194 } 195 196 void OverlayManager::impApplyAddActions(OverlayObject& rTarget) 197 { 198 // set manager 199 rTarget.mpOverlayManager = this; 200 201 // make visible 202 invalidateRange(rTarget.getBaseRange()); 203 204 // handle evtl. animation 205 if(rTarget.allowsAnimation()) 206 { 207 // Trigger at current time to get alive. This will do the 208 // object-specific next time calculation and hand over adding 209 // again to the scheduler to the animated object, too. This works for 210 // a paused or non-paused animator. 211 rTarget.Trigger(GetTime()); 212 } 213 } 214 215 OverlayManager::~OverlayManager() 216 { 217 // The OverlayManager is not the owner of the OverlayObjects 218 // and thus will not delete them, but remove them. Profit here 219 // from knowing that all will be removed 220 const sal_uInt32 nSize(maOverlayObjects.size()); 221 222 if(nSize) 223 { 224 for(OverlayObjectVector::iterator aIter(maOverlayObjects.begin()); aIter != maOverlayObjects.end(); aIter++) 225 { 226 OSL_ENSURE(*aIter, "Corrupted OverlayObject List (!)"); 227 OverlayObject& rCandidate = **aIter; 228 impApplyRemoveActions(rCandidate); 229 } 230 231 // erase vector 232 maOverlayObjects.clear(); 233 } 234 } 235 236 void OverlayManager::completeRedraw(const Region& rRegion, OutputDevice* pPreRenderDevice) const 237 { 238 if(!rRegion.IsEmpty() && maOverlayObjects.size()) 239 { 240 // check for changed MapModes. That may influence the 241 // logical size of pixel based OverlayObjects (like BitmapHandles) 242 //ImpCheckMapModeChange(); 243 244 // paint members 245 const Rectangle aRegionBoundRect(rRegion.GetBoundRect()); 246 const basegfx::B2DRange aRegionRange( 247 aRegionBoundRect.Left(), aRegionBoundRect.Top(), 248 aRegionBoundRect.Right(), aRegionBoundRect.Bottom()); 249 250 OutputDevice& rTarget = (pPreRenderDevice) ? *pPreRenderDevice : getOutputDevice(); 251 ImpDrawMembers(aRegionRange, rTarget); 252 } 253 } 254 255 void OverlayManager::flush() 256 { 257 // default has nothing to do 258 } 259 260 // #i68597# part of content gets copied, react on it 261 void OverlayManager::copyArea(const Point& /*rDestPt*/, const Point& /*rSrcPt*/, const Size& /*rSrcSize*/) 262 { 263 // unbuffered versions do nothing here 264 } 265 266 void OverlayManager::restoreBackground(const Region& /*rRegion*/) const 267 { 268 // unbuffered versions do nothing here 269 } 270 271 void OverlayManager::add(OverlayObject& rOverlayObject) 272 { 273 OSL_ENSURE(0 == rOverlayObject.mpOverlayManager, "OverlayObject is added twice to an OverlayManager (!)"); 274 275 // add to the end of chain to preserve display order in paint 276 maOverlayObjects.push_back(&rOverlayObject); 277 278 // execute add actions 279 impApplyAddActions(rOverlayObject); 280 } 281 282 void OverlayManager::remove(OverlayObject& rOverlayObject) 283 { 284 OSL_ENSURE(rOverlayObject.mpOverlayManager == this, "OverlayObject is removed from wrong OverlayManager (!)"); 285 286 // execute remove actions 287 impApplyRemoveActions(rOverlayObject); 288 289 // remove from vector 290 const OverlayObjectVector::iterator aFindResult = ::std::find(maOverlayObjects.begin(), maOverlayObjects.end(), &rOverlayObject); 291 const bool bFound(aFindResult != maOverlayObjects.end()); 292 OSL_ENSURE(bFound, "OverlayObject NOT found at OverlayManager (!)"); 293 294 if(bFound) 295 { 296 maOverlayObjects.erase(aFindResult); 297 } 298 } 299 300 void OverlayManager::invalidateRange(const basegfx::B2DRange& rRange) 301 { 302 if(OUTDEV_WINDOW == getOutputDevice().GetOutDevType()) 303 { 304 if(getDrawinglayerOpt().IsAntiAliasing()) 305 { 306 // assume AA needs one pixel more and invalidate one pixel more 307 const double fDiscreteOne(getDiscreteOne()); 308 const Rectangle aInvalidateRectangle( 309 (sal_Int32)floor(rRange.getMinX() - fDiscreteOne), 310 (sal_Int32)floor(rRange.getMinY() - fDiscreteOne), 311 (sal_Int32)ceil(rRange.getMaxX() + fDiscreteOne), 312 (sal_Int32)ceil(rRange.getMaxY() + fDiscreteOne)); 313 314 // simply invalidate 315 ((Window&)getOutputDevice()).Invalidate(aInvalidateRectangle, INVALIDATE_NOERASE); 316 } 317 else 318 { 319 // #i77674# transform to rectangle. Use floor/ceil to get all covered 320 // discrete pixels, see #i75163# and OverlayManagerBuffered::invalidateRange 321 const Rectangle aInvalidateRectangle( 322 (sal_Int32)floor(rRange.getMinX()), (sal_Int32)floor(rRange.getMinY()), 323 (sal_Int32)ceil(rRange.getMaxX()), (sal_Int32)ceil(rRange.getMaxY())); 324 325 // simply invalidate 326 ((Window&)getOutputDevice()).Invalidate(aInvalidateRectangle, INVALIDATE_NOERASE); 327 } 328 } 329 } 330 331 // stripe support ColA 332 void OverlayManager::setStripeColorA(Color aNew) 333 { 334 if(aNew != maStripeColorA) 335 { 336 maStripeColorA = aNew; 337 ImpStripeDefinitionChanged(); 338 } 339 } 340 341 // stripe support ColB 342 void OverlayManager::setStripeColorB(Color aNew) 343 { 344 if(aNew != maStripeColorB) 345 { 346 maStripeColorB = aNew; 347 ImpStripeDefinitionChanged(); 348 } 349 } 350 351 // stripe support StripeLengthPixel 352 void OverlayManager::setStripeLengthPixel(sal_uInt32 nNew) 353 { 354 if(nNew != mnStripeLengthPixel) 355 { 356 mnStripeLengthPixel = nNew; 357 ImpStripeDefinitionChanged(); 358 } 359 } 360 } // end of namespace overlay 361 } // end of namespace sdr 362 363 ////////////////////////////////////////////////////////////////////////////// 364 // eof 365