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()); 160 161 // only set when we *have* a output size, else let aViewRange 162 // stay on empty 163 if(aOutputSizePixel.Width() && aOutputSizePixel.Height()) 164 { 165 aViewRange = basegfx::B2DRange(0.0, 0.0, aOutputSizePixel.getWidth(), aOutputSizePixel.getHeight()); 166 aViewRange.transform(getOutputDevice().GetInverseViewTransformation()); 167 } 168 } 169 170 OverlayManager* pThis = const_cast< OverlayManager* >(this); 171 172 pThis->maViewTransformation = getOutputDevice().GetViewTransformation(); 173 pThis->maViewInformation2D = drawinglayer::geometry::ViewInformation2D( 174 maViewInformation2D.getObjectTransformation(), 175 maViewTransformation, 176 aViewRange, 177 maViewInformation2D.getVisualizedPage(), 178 maViewInformation2D.getViewTime(), 179 maViewInformation2D.getExtendedInformationSequence()); 180 pThis->mfDiscreteOne = 0.0; 181 } 182 183 return maViewInformation2D; 184 } 185 186 void OverlayManager::impApplyRemoveActions(OverlayObject& rTarget) 187 { 188 // handle evtl. animation 189 if(rTarget.allowsAnimation()) 190 { 191 // remove from event chain 192 RemoveEvent(&rTarget); 193 } 194 195 // make invisible 196 invalidateRange(rTarget.getBaseRange()); 197 198 // clear manager 199 rTarget.mpOverlayManager = 0; 200 } 201 202 void OverlayManager::impApplyAddActions(OverlayObject& rTarget) 203 { 204 // set manager 205 rTarget.mpOverlayManager = this; 206 207 // make visible 208 invalidateRange(rTarget.getBaseRange()); 209 210 // handle evtl. animation 211 if(rTarget.allowsAnimation()) 212 { 213 // Trigger at current time to get alive. This will do the 214 // object-specific next time calculation and hand over adding 215 // again to the scheduler to the animated object, too. This works for 216 // a paused or non-paused animator. 217 rTarget.Trigger(GetTime()); 218 } 219 } 220 221 OverlayManager::~OverlayManager() 222 { 223 // The OverlayManager is not the owner of the OverlayObjects 224 // and thus will not delete them, but remove them. Profit here 225 // from knowing that all will be removed 226 const sal_uInt32 nSize(maOverlayObjects.size()); 227 228 if(nSize) 229 { 230 for(OverlayObjectVector::iterator aIter(maOverlayObjects.begin()); aIter != maOverlayObjects.end(); aIter++) 231 { 232 OSL_ENSURE(*aIter, "Corrupted OverlayObject List (!)"); 233 OverlayObject& rCandidate = **aIter; 234 impApplyRemoveActions(rCandidate); 235 } 236 237 // erase vector 238 maOverlayObjects.clear(); 239 } 240 } 241 242 void OverlayManager::completeRedraw(const Region& rRegion, OutputDevice* pPreRenderDevice) const 243 { 244 if(!rRegion.IsEmpty() && maOverlayObjects.size()) 245 { 246 // check for changed MapModes. That may influence the 247 // logical size of pixel based OverlayObjects (like BitmapHandles) 248 //ImpCheckMapModeChange(); 249 250 // paint members 251 const Rectangle aRegionBoundRect(rRegion.GetBoundRect()); 252 const basegfx::B2DRange aRegionRange( 253 aRegionBoundRect.Left(), aRegionBoundRect.Top(), 254 aRegionBoundRect.Right(), aRegionBoundRect.Bottom()); 255 256 OutputDevice& rTarget = (pPreRenderDevice) ? *pPreRenderDevice : getOutputDevice(); 257 ImpDrawMembers(aRegionRange, rTarget); 258 } 259 } 260 261 void OverlayManager::flush() 262 { 263 // default has nothing to do 264 } 265 266 // #i68597# part of content gets copied, react on it 267 void OverlayManager::copyArea(const Point& /*rDestPt*/, const Point& /*rSrcPt*/, const Size& /*rSrcSize*/) 268 { 269 // unbuffered versions do nothing here 270 } 271 272 void OverlayManager::restoreBackground(const Region& /*rRegion*/) const 273 { 274 // unbuffered versions do nothing here 275 } 276 277 void OverlayManager::add(OverlayObject& rOverlayObject) 278 { 279 OSL_ENSURE(0 == rOverlayObject.mpOverlayManager, "OverlayObject is added twice to an OverlayManager (!)"); 280 281 // add to the end of chain to preserve display order in paint 282 maOverlayObjects.push_back(&rOverlayObject); 283 284 // execute add actions 285 impApplyAddActions(rOverlayObject); 286 } 287 288 void OverlayManager::remove(OverlayObject& rOverlayObject) 289 { 290 OSL_ENSURE(rOverlayObject.mpOverlayManager == this, "OverlayObject is removed from wrong OverlayManager (!)"); 291 292 // execute remove actions 293 impApplyRemoveActions(rOverlayObject); 294 295 // remove from vector 296 const OverlayObjectVector::iterator aFindResult = ::std::find(maOverlayObjects.begin(), maOverlayObjects.end(), &rOverlayObject); 297 const bool bFound(aFindResult != maOverlayObjects.end()); 298 OSL_ENSURE(bFound, "OverlayObject NOT found at OverlayManager (!)"); 299 300 if(bFound) 301 { 302 maOverlayObjects.erase(aFindResult); 303 } 304 } 305 306 void OverlayManager::invalidateRange(const basegfx::B2DRange& rRange) 307 { 308 if(OUTDEV_WINDOW == getOutputDevice().GetOutDevType()) 309 { 310 if(getDrawinglayerOpt().IsAntiAliasing()) 311 { 312 // assume AA needs one pixel more and invalidate one pixel more 313 const double fDiscreteOne(getDiscreteOne()); 314 const Rectangle aInvalidateRectangle( 315 (sal_Int32)floor(rRange.getMinX() - fDiscreteOne), 316 (sal_Int32)floor(rRange.getMinY() - fDiscreteOne), 317 (sal_Int32)ceil(rRange.getMaxX() + fDiscreteOne), 318 (sal_Int32)ceil(rRange.getMaxY() + fDiscreteOne)); 319 320 // simply invalidate 321 ((Window&)getOutputDevice()).Invalidate(aInvalidateRectangle, INVALIDATE_NOERASE); 322 } 323 else 324 { 325 // #i77674# transform to rectangle. Use floor/ceil to get all covered 326 // discrete pixels, see #i75163# and OverlayManagerBuffered::invalidateRange 327 const Rectangle aInvalidateRectangle( 328 (sal_Int32)floor(rRange.getMinX()), (sal_Int32)floor(rRange.getMinY()), 329 (sal_Int32)ceil(rRange.getMaxX()), (sal_Int32)ceil(rRange.getMaxY())); 330 331 // simply invalidate 332 ((Window&)getOutputDevice()).Invalidate(aInvalidateRectangle, INVALIDATE_NOERASE); 333 } 334 } 335 } 336 337 // stripe support ColA 338 void OverlayManager::setStripeColorA(Color aNew) 339 { 340 if(aNew != maStripeColorA) 341 { 342 maStripeColorA = aNew; 343 ImpStripeDefinitionChanged(); 344 } 345 } 346 347 // stripe support ColB 348 void OverlayManager::setStripeColorB(Color aNew) 349 { 350 if(aNew != maStripeColorB) 351 { 352 maStripeColorB = aNew; 353 ImpStripeDefinitionChanged(); 354 } 355 } 356 357 // stripe support StripeLengthPixel 358 void OverlayManager::setStripeLengthPixel(sal_uInt32 nNew) 359 { 360 if(nNew != mnStripeLengthPixel) 361 { 362 mnStripeLengthPixel = nNew; 363 ImpStripeDefinitionChanged(); 364 } 365 } 366 } // end of namespace overlay 367 } // end of namespace sdr 368 369 ////////////////////////////////////////////////////////////////////////////// 370 // eof 371