Differential D19164 Diff 53087 layers/selections/image/kpFreeFormImageSelection.cpp

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layers/selections/image/kpFreeFormImageSelection.cpp

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128int kpFreeFormImageSelection::serialID () const 128​int kpFreeFormImageSelection::serialID () const
129{ 129​{
130 return SerialID; 130​ return SerialID;
131} 131​}
132 132​
133// public virtual [base kpAbstractImageSelection] 133​// public virtual [base kpAbstractImageSelection]
134bool kpFreeFormImageSelection::readFromStream (QDataStream &stream) 134​bool kpFreeFormImageSelection::readFromStream (QDataStream &stream)
135{ 135​{
136 if (!kpAbstractImageSelection::readFromStream (stream)) 136​ if (!kpAbstractImageSelection::readFromStream (stream)) {
137 return false; 137​ return false;
138​ }
138 139​
139 stream >> d->orgPoints; 140​ stream >> d->orgPoints;
140 recalculateCardinallyAdjacentPoints (); 141​ recalculateCardinallyAdjacentPoints ();
141 142​
142 return true; 143​ return true;
143} 144​}
144 145​
145// public virtual [base kpAbstractImageSelection] 146​// public virtual [base kpAbstractImageSelection]
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170QPolygon kpFreeFormImageSelection::originalPoints () const 171​QPolygon kpFreeFormImageSelection::originalPoints () const
171{ 172​{
172 return d->orgPoints; 173​ return d->orgPoints;
173} 174​}
174 175​
175 176​
176static QPolygon RecalculateCardinallyAdjacentPoints (const QPolygon &points) 177​static QPolygon RecalculateCardinallyAdjacentPoints (const QPolygon &points)
177{ 178​{
178 qCDebug(kpLogLayers) << "kpFreeFormImageSelection.cpp:RecalculateCardinallyAdjacentPoints()" 179​ qCDebug(kpLogLayers) << "kpFreeFormImageSelection.cpp:RecalculateCardinallyAdjacentPoints()";
179 << endl; ​
180 qCDebug(kpLogLayers) << "\tpoints=" << points; 180​ qCDebug(kpLogLayers) << "\tpoints=" << points;
181 181​
182 // Filter out duplicates. 182​ // Filter out duplicates.
183 QPolygon noDups; 183​ QPolygon noDups;
184 foreach (const QPoint &p, points) 184​ for (const auto &p : points)
185 { 185​ {
186 if (!noDups.isEmpty () && p == noDups.last ()) 186​ if (!noDups.isEmpty () && p == noDups.last ()) {
187 continue; 187​ continue;
188​ }
188 189​
189 noDups.append (p); 190​ noDups.append (p);
190 } 191​ }
191 qCDebug(kpLogLayers) << "\twithout dups=" << noDups; 192​ qCDebug(kpLogLayers) << "\twithout dups=" << noDups;
192 193​
193 // Interpolate to ensure cardinal adjacency. 194​ // Interpolate to ensure cardinal adjacency.
194 QPolygon cardPoints; 195​ QPolygon cardPoints;
195 foreach (const QPoint &p, noDups) 196​ for (const auto &p : noDups)
196 { 197​ {
197 if (!cardPoints.isEmpty () && 198​ if (!cardPoints.isEmpty () &&
198 !kpPainter::pointsAreCardinallyAdjacent (p, cardPoints.last ())) 199​ !kpPainter::pointsAreCardinallyAdjacent (p, cardPoints.last ()))
199 { 200​ {
200 const QPoint lastPoint = cardPoints.last (); 201​ const QPoint lastPoint = cardPoints.last ();
201 202​
202 QList <QPoint> interpPoints = kpPainter::interpolatePoints ( 203​ QList <QPoint> interpPoints = kpPainter::interpolatePoints (
203 lastPoint, 204​ lastPoint,
204 p, 205​ p,
205 true/*cardinal adjacency*/); 206​ true/*cardinal adjacency*/);
206 207​
207 Q_ASSERT (interpPoints.size () >= 2); 208​ Q_ASSERT (interpPoints.size () >= 2);
208 Q_ASSERT (interpPoints [0] == lastPoint); 209​ Q_ASSERT (interpPoints [0] == lastPoint);
209 Q_ASSERT (interpPoints.last () == p); 210​ Q_ASSERT (interpPoints.last () == p);
210 211​
211 for (int i = 1/*skip already existing point*/; 212​ for (int i = 1/*skip already existing point*/;
212 i < interpPoints.size (); 213​ i < interpPoints.size ();
213 i++) 214​ i++)
214 { 215​ {
215 cardPoints.append (interpPoints [i]); 216​ cardPoints.append (interpPoints [i]);
216 } 217​ }
217 } 218​ }
218 else 219​ else {
219 cardPoints.append (p); 220​ cardPoints.append (p);
220 } 221​ }
222​ }
221 qCDebug(kpLogLayers) << "\tcardinally adjacent=" << cardPoints; 223​ qCDebug(kpLogLayers) << "\tcardinally adjacent=" << cardPoints;
222 224​
223 return cardPoints; 225​ return cardPoints;
224} 226​}
225 227​
226// protected 228​// protected
227void kpFreeFormImageSelection::recalculateCardinallyAdjacentPoints () 229​void kpFreeFormImageSelection::recalculateCardinallyAdjacentPoints ()
228{ 230​{
229 d->cardPointsCache = ::RecalculateCardinallyAdjacentPoints (d->orgPoints); 231​ d->cardPointsCache = ::RecalculateCardinallyAdjacentPoints (d->orgPoints);
230 232​
231 233​
232 QPolygon pointsLoop = d->cardPointsCache; 234​ QPolygon pointsLoop = d->cardPointsCache;
233 if (!pointsLoop.isEmpty ()) 235​ if (!pointsLoop.isEmpty ()) {
234 pointsLoop.append (pointsLoop.first ()); 236​ pointsLoop.append (pointsLoop.first ());
237​ }
235 238​
236 // OPT: We know this method only needs to act on the last 2 points of 239​ // OPT: We know this method only needs to act on the last 2 points of
237 // "pointLoop", since the previous points are definitely cardinally 240​ // "pointLoop", since the previous points are definitely cardinally
238 // adjacent. 241​ // adjacent.
239 d->cardPointsLoopCache = ::RecalculateCardinallyAdjacentPoints (pointsLoop); 242​ d->cardPointsLoopCache = ::RecalculateCardinallyAdjacentPoints (pointsLoop);
240} 243​}
241 244​
242// public 245​// public
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290 293​
291 return region.united (regionX).united (regionY).united (regionXY); 294​ return region.united (regionX).united (regionY).united (regionXY);
292} 295​}
293 296​
294 297​
295// public virtual [kpAbstractSelection] 298​// public virtual [kpAbstractSelection]
296bool kpFreeFormImageSelection::contains (const QPoint &point) const 299​bool kpFreeFormImageSelection::contains (const QPoint &point) const
297{ 300​{
298 if (!boundingRect ().contains (point)) 301​ if (!boundingRect ().contains (point)) {
299 return false; 302​ return false;
303​ }
300 304​
301 // We can't use the baseImage() (when non-null) and get the transparency of 305​ // We can't use the baseImage() (when non-null) and get the transparency of
302 // the pixel at <point>, instead of this region test, as the pixel may be 306​ // the pixel at <point>, instead of this region test, as the pixel may be
303 // transparent but still within the border. 307​ // transparent but still within the border.
304 return shapeRegion ().contains (point); 308​ return shapeRegion ().contains (point);
305} 309​}
306 310​
307 311​
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366} 370​}
367 371​
368//--------------------------------------------------------------------- 372​//---------------------------------------------------------------------
369 373​
370// public virtual [kpAbstractSelection] 374​// public virtual [kpAbstractSelection]
371void kpFreeFormImageSelection::paintBorder (QImage *destPixmap, const QRect &docRect, 375​void kpFreeFormImageSelection::paintBorder (QImage *destPixmap, const QRect &docRect,
372 bool selectionFinished) const 376​ bool selectionFinished) const
373{ 377​{
374 if (selectionFinished) 378​ if (selectionFinished) {
375 paintPolygonalBorder (cardinallyAdjacentPointsLoop (), 379​ paintPolygonalBorder (cardinallyAdjacentPointsLoop (),
376 destPixmap, docRect, selectionFinished); 380​ destPixmap, docRect, selectionFinished);
377 else 381​ }
382​ else {
378 paintPolygonalBorder (cardinallyAdjacentPoints (), 383​ paintPolygonalBorder (cardinallyAdjacentPoints (),
379 destPixmap, docRect, selectionFinished); 384​ destPixmap, docRect, selectionFinished);
380} 385​ }
386​}
381 387​
382 388​