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Diffstat (limited to 'src/gui/painting/qregion.cpp')
-rw-r--r--src/gui/painting/qregion.cpp74
1 files changed, 37 insertions, 37 deletions
diff --git a/src/gui/painting/qregion.cpp b/src/gui/painting/qregion.cpp
index 82f5be2b65..783b02fb93 100644
--- a/src/gui/painting/qregion.cpp
+++ b/src/gui/painting/qregion.cpp
@@ -1128,7 +1128,7 @@ Q_GUI_EXPORT QPainterPath qt_regionToPath(const QRegion &region)
segments.resize(4 * (end - rect));
int lastRowSegmentCount = 0;
- Segment *lastRowSegments = 0;
+ Segment *lastRowSegments = nullptr;
int lastSegment = 0;
int lastY = 0;
@@ -1380,10 +1380,10 @@ void QRegionPrivate::intersect(const QRect &rect)
extents.setRight(qMax(extents.right(), dest->right()));
extents.setBottom(qMax(extents.bottom(), dest->bottom()));
- const QRect *nextToLast = (numRects > 1 ? dest - 2 : 0);
+ const QRect *nextToLast = (numRects > 1 ? dest - 2 : nullptr);
// mergeFromBelow inlined and optimized
- if (canMergeFromBelow(dest - 1, dest, nextToLast, 0)) {
+ if (canMergeFromBelow(dest - 1, dest, nextToLast, nullptr)) {
if (!n || src->y() != dest->y() || src->left() > r.right()) {
QRect *prev = dest - 1;
prev->setBottom(dest->bottom());
@@ -1408,11 +1408,11 @@ void QRegionPrivate::append(const QRect *r)
QRect *myLast = (numRects == 1 ? &extents : rects.data() + (numRects - 1));
if (mergeFromRight(myLast, r)) {
if (numRects > 1) {
- const QRect *nextToTop = (numRects > 2 ? myLast - 2 : 0);
- if (mergeFromBelow(myLast - 1, myLast, nextToTop, 0))
+ const QRect *nextToTop = (numRects > 2 ? myLast - 2 : nullptr);
+ if (mergeFromBelow(myLast - 1, myLast, nextToTop, nullptr))
--numRects;
}
- } else if (mergeFromBelow(myLast, r, (numRects > 1 ? myLast - 1 : 0), 0)) {
+ } else if (mergeFromBelow(myLast, r, (numRects > 1 ? myLast - 1 : nullptr), nullptr)) {
// nothing
} else {
vectorize();
@@ -1451,18 +1451,18 @@ void QRegionPrivate::append(const QRegionPrivate *r)
{
const QRect *rFirst = srcRect;
QRect *myLast = destRect - 1;
- const QRect *nextToLast = (numRects > 1 ? myLast - 1 : 0);
+ const QRect *nextToLast = (numRects > 1 ? myLast - 1 : nullptr);
if (mergeFromRight(myLast, rFirst)) {
++srcRect;
--numAppend;
- const QRect *rNextToFirst = (numAppend > 1 ? rFirst + 2 : 0);
+ const QRect *rNextToFirst = (numAppend > 1 ? rFirst + 2 : nullptr);
if (mergeFromBelow(myLast, rFirst + 1, nextToLast, rNextToFirst)) {
++srcRect;
--numAppend;
}
if (numRects > 1) {
- nextToLast = (numRects > 2 ? myLast - 2 : 0);
- rNextToFirst = (numAppend > 0 ? srcRect : 0);
+ nextToLast = (numRects > 2 ? myLast - 2 : nullptr);
+ rNextToFirst = (numAppend > 0 ? srcRect : nullptr);
if (mergeFromBelow(myLast - 1, myLast, nextToLast, rNextToFirst)) {
--destRect;
--numRects;
@@ -1522,20 +1522,20 @@ void QRegionPrivate::prepend(const QRegionPrivate *r)
// try merging
{
QRect *myFirst = rects.data();
- const QRect *nextToFirst = (numRects > 1 ? myFirst + 1 : 0);
+ const QRect *nextToFirst = (numRects > 1 ? myFirst + 1 : nullptr);
const QRect *rLast = r->rects.constData() + r->numRects - 1;
- const QRect *rNextToLast = (r->numRects > 1 ? rLast - 1 : 0);
+ const QRect *rNextToLast = (r->numRects > 1 ? rLast - 1 : nullptr);
if (mergeFromLeft(myFirst, rLast)) {
--numPrepend;
--rLast;
- rNextToLast = (numPrepend > 1 ? rLast - 1 : 0);
+ rNextToLast = (numPrepend > 1 ? rLast - 1 : nullptr);
if (mergeFromAbove(myFirst, rLast, nextToFirst, rNextToLast)) {
--numPrepend;
--rLast;
}
if (numRects > 1) {
- nextToFirst = (numRects > 2? myFirst + 2 : 0);
- rNextToLast = (numPrepend > 0 ? rLast : 0);
+ nextToFirst = (numRects > 2? myFirst + 2 : nullptr);
+ rNextToLast = (numPrepend > 0 ? rLast : nullptr);
if (mergeFromAbove(myFirst + 1, myFirst, nextToFirst, rNextToLast)) {
--numRects;
++numSkip;
@@ -1585,14 +1585,14 @@ void QRegionPrivate::prepend(const QRect *r)
QRect *myFirst = (numRects == 1 ? &extents : rects.data());
if (mergeFromLeft(myFirst, r)) {
if (numRects > 1) {
- const QRect *nextToFirst = (numRects > 2 ? myFirst + 2 : 0);
- if (mergeFromAbove(myFirst + 1, myFirst, nextToFirst, 0)) {
+ const QRect *nextToFirst = (numRects > 2 ? myFirst + 2 : nullptr);
+ if (mergeFromAbove(myFirst + 1, myFirst, nextToFirst, nullptr)) {
--numRects;
memmove(rects.data(), rects.constData() + 1,
numRects * sizeof(QRect));
}
}
- } else if (mergeFromAbove(myFirst, r, (numRects > 1 ? myFirst + 1 : 0), 0)) {
+ } else if (mergeFromAbove(myFirst, r, (numRects > 1 ? myFirst + 1 : nullptr), nullptr)) {
// nothing
} else {
vectorize();
@@ -2324,14 +2324,14 @@ static void miRegionOp(QRegionPrivate &dest,
top = qMax(r1->top(), ybot + 1);
bot = qMin(r1->bottom(), r2->top() - 1);
- if (nonOverlap1Func != 0 && bot >= top)
+ if (nonOverlap1Func != nullptr && bot >= top)
(*nonOverlap1Func)(dest, r1, r1BandEnd, top, bot);
ytop = r2->top();
} else if (r2->top() < r1->top()) {
top = qMax(r2->top(), ybot + 1);
bot = qMin(r2->bottom(), r1->top() - 1);
- if (nonOverlap2Func != 0 && bot >= top)
+ if (nonOverlap2Func != nullptr && bot >= top)
(*nonOverlap2Func)(dest, r2, r2BandEnd, top, bot);
ytop = r1->top();
} else {
@@ -2374,7 +2374,7 @@ static void miRegionOp(QRegionPrivate &dest,
*/
curBand = dest.numRects;
if (r1 != r1End) {
- if (nonOverlap1Func != 0) {
+ if (nonOverlap1Func != nullptr) {
do {
r1BandEnd = r1;
while (r1BandEnd < r1End && r1BandEnd->top() == r1->top())
@@ -2383,7 +2383,7 @@ static void miRegionOp(QRegionPrivate &dest,
r1 = r1BandEnd;
} while (r1 != r1End);
}
- } else if ((r2 != r2End) && (nonOverlap2Func != 0)) {
+ } else if ((r2 != r2End) && (nonOverlap2Func != nullptr)) {
do {
r2BandEnd = r2;
while (r2BandEnd < r2End && r2BandEnd->top() == r2->top())
@@ -2698,7 +2698,7 @@ static void SubtractRegion(QRegionPrivate *regM, QRegionPrivate *regS,
Q_ASSERT(!regS->contains(*regM));
Q_ASSERT(!EqualRegion(regM, regS));
- miRegionOp(dest, regM, regS, miSubtractO, miSubtractNonO1, 0);
+ miRegionOp(dest, regM, regS, miSubtractO, miSubtractNonO1, nullptr);
/*
* Can't alter dest's extents before we call miRegionOp because
@@ -3235,14 +3235,14 @@ static void InsertEdgeInET(EdgeTable *ET, EdgeTableEntry *ETE, int scanline,
(ScanLineListBlock *)malloc(sizeof(ScanLineListBlock));
Q_CHECK_PTR(tmpSLLBlock);
(*SLLBlock)->next = tmpSLLBlock;
- tmpSLLBlock->next = (ScanLineListBlock *)NULL;
+ tmpSLLBlock->next = (ScanLineListBlock *)nullptr;
*SLLBlock = tmpSLLBlock;
*iSLLBlock = 0;
}
pSLL = &((*SLLBlock)->SLLs[(*iSLLBlock)++]);
pSLL->next = pPrevSLL->next;
- pSLL->edgelist = (EdgeTableEntry *)NULL;
+ pSLL->edgelist = (EdgeTableEntry *)nullptr;
pPrevSLL->next = pSLL;
}
pSLL->scanline = scanline;
@@ -3250,7 +3250,7 @@ static void InsertEdgeInET(EdgeTable *ET, EdgeTableEntry *ETE, int scanline,
/*
* now insert the edge in the right bucket
*/
- prev = 0;
+ prev = nullptr;
start = pSLL->edgelist;
while (start && (start->bres.minor_axis < ETE->bres.minor_axis)) {
prev = start;
@@ -3306,18 +3306,18 @@ static void CreateETandAET(int count, const QPoint *pts,
/*
* initialize the Active Edge Table
*/
- AET->next = 0;
- AET->back = 0;
- AET->nextWETE = 0;
+ AET->next = nullptr;
+ AET->back = nullptr;
+ AET->nextWETE = nullptr;
AET->bres.minor_axis = SMALL_COORDINATE;
/*
* initialize the Edge Table.
*/
- ET->scanlines.next = 0;
+ ET->scanlines.next = nullptr;
ET->ymax = SMALL_COORDINATE;
ET->ymin = LARGE_COORDINATE;
- pSLLBlock->next = 0;
+ pSLLBlock->next = nullptr;
PrevPt = &pts[count - 1];
@@ -3426,7 +3426,7 @@ static void computeWAET(EdgeTableEntry *AET)
int inside = 1;
int isInside = 0;
- AET->nextWETE = 0;
+ AET->nextWETE = nullptr;
pWETE = AET;
AET = AET->next;
while (AET) {
@@ -3442,7 +3442,7 @@ static void computeWAET(EdgeTableEntry *AET)
}
AET = AET->next;
}
- pWETE->nextWETE = 0;
+ pWETE->nextWETE = nullptr;
}
/*
@@ -3672,7 +3672,7 @@ static QRegionPrivate *PolygonRegion(const QPoint *Pts, int Count, int rule)
if (!(pETEs = static_cast<EdgeTableEntry *>(malloc(sizeof(EdgeTableEntry) * Count)))) {
delete region;
- return 0;
+ return nullptr;
}
region->vectorize();
@@ -3692,7 +3692,7 @@ static QRegionPrivate *PolygonRegion(const QPoint *Pts, int Count, int rule)
#endif
delete AET;
delete region;
- return 0;
+ return nullptr;
}
@@ -3808,7 +3808,7 @@ static QRegionPrivate *PolygonRegion(const QPoint *Pts, int Count, int rule)
curPtBlock = tmpPtBlock;
}
free(pETEs);
- return 0; // this function returns 0 in case of an error
+ return nullptr; // this function returns 0 in case of an error
}
FreeStorage(SLLBlock.next);
@@ -4185,7 +4185,7 @@ QRegion QRegion::intersected(const QRegion &r) const
QRegion result;
result.detach();
- miRegionOp(*result.d->qt_rgn, d->qt_rgn, r.d->qt_rgn, miIntersectO, 0, 0);
+ miRegionOp(*result.d->qt_rgn, d->qt_rgn, r.d->qt_rgn, miIntersectO, nullptr, nullptr);
/*
* Can't alter dest's extents before we call miRegionOp because
generated by cgit v1.2.3 (git 2.25.1) at 2024-04-25 15:58:19 +0000