summaryrefslogtreecommitdiffstats
path: root/src/gui/painting/qpainter.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/gui/painting/qpainter.cpp')
-rw-r--r--src/gui/painting/qpainter.cpp71
1 files changed, 31 insertions, 40 deletions
diff --git a/src/gui/painting/qpainter.cpp b/src/gui/painting/qpainter.cpp
index cc48d24..0ece498 100644
--- a/src/gui/painting/qpainter.cpp
+++ b/src/gui/painting/qpainter.cpp
@@ -281,10 +281,14 @@ bool QPainterPrivate::attachPainterPrivate(QPainter *q, QPaintDevice *pdev)
q->d_ptr->state->wh = q->d_ptr->state->vh = widget->height();
// Update matrix.
- if (q->d_ptr->state->WxF)
- q->d_ptr->state->worldMatrix.translate(-offset.x(), -offset.y());
- else
- q->d_ptr->state->redirection_offset = offset;
+ if (q->d_ptr->state->WxF) {
+ q->d_ptr->state->redirectionMatrix *= q->d_ptr->state->worldMatrix;
+ q->d_ptr->state->redirectionMatrix.translate(-offset.x(), -offset.y());
+ q->d_ptr->state->worldMatrix = QTransform();
+ q->d_ptr->state->WxF = false;
+ } else {
+ q->d_ptr->state->redirectionMatrix = QTransform::fromTranslate(-offset.x(), -offset.y());
+ }
q->d_ptr->updateMatrix();
QPaintEnginePrivate *enginePrivate = q->d_ptr->engine->d_func();
@@ -410,7 +414,7 @@ void QPainterPrivate::draw_helper(const QPainterPath &originalPath, DrawOperatio
bool old_txinv = txinv;
QTransform old_invMatrix = invMatrix;
txinv = true;
- invMatrix = QTransform().translate(-state->redirection_offset.x(), -state->redirection_offset.y());
+ invMatrix = state->redirectionMatrix;
QPainterPath clipPath = q->clipPath();
QRectF r = clipPath.boundingRect().intersected(absPathRect);
absPathRect = r.toAlignedRect();
@@ -634,20 +638,7 @@ void QPainterPrivate::updateMatrix()
state->matrix *= viewTransform();
txinv = false; // no inverted matrix
- if (!state->redirection_offset.isNull()) {
- // We want to translate in dev space so we do the adding of the redirection
- // offset manually.
- if (state->matrix.isAffine()) {
- state->matrix = QTransform(state->matrix.m11(), state->matrix.m12(),
- state->matrix.m21(), state->matrix.m22(),
- state->matrix.dx()-state->redirection_offset.x(),
- state->matrix.dy()-state->redirection_offset.y());
- } else {
- QTransform temp;
- temp.translate(-state->redirection_offset.x(), -state->redirection_offset.y());
- state->matrix *= temp;
- }
- }
+ state->matrix *= state->redirectionMatrix;
if (extended)
extended->transformChanged();
else
@@ -1572,10 +1563,8 @@ void QPainter::restore()
// replay the list of clip states,
for (int i=0; i<d->state->clipInfo.size(); ++i) {
const QPainterClipInfo &info = d->state->clipInfo.at(i);
- tmp->matrix.setMatrix(info.matrix.m11(), info.matrix.m12(), info.matrix.m13(),
- info.matrix.m21(), info.matrix.m22(), info.matrix.m23(),
- info.matrix.dx() - d->state->redirection_offset.x(),
- info.matrix.dy() - d->state->redirection_offset.y(), info.matrix.m33());
+ tmp->matrix = info.matrix;
+ tmp->matrix *= d->state->redirectionMatrix;
tmp->clipOperation = info.operation;
if (info.clipType == QPainterClipInfo::RectClip) {
tmp->dirtyFlags = QPaintEngine::DirtyClipRegion | QPaintEngine::DirtyTransform;
@@ -1689,7 +1678,7 @@ bool QPainter::begin(QPaintDevice *pd)
d->state->painter = this;
d->states.push_back(d->state);
- d->state->redirection_offset = redirectionOffset;
+ d->state->redirectionMatrix.translate(-redirectionOffset.x(), -redirectionOffset.y());
d->state->brushOrigin = QPointF();
if (!d->engine) {
@@ -1723,7 +1712,8 @@ bool QPainter::begin(QPaintDevice *pd)
// Adjust offset for alien widgets painting outside the paint event.
if (!inPaintEvent && paintOutsidePaintEvent && !widget->internalWinId()
&& widget->testAttribute(Qt::WA_WState_Created)) {
- d->state->redirection_offset -= widget->mapTo(widget->nativeParentWidget(), QPoint());
+ const QPoint offset = widget->mapTo(widget->nativeParentWidget(), QPoint());
+ d->state->redirectionMatrix.translate(offset.x(), offset.y());
}
break;
}
@@ -1805,11 +1795,12 @@ bool QPainter::begin(QPaintDevice *pd)
d->state->wh = d->state->vh = pd->metric(QPaintDevice::PdmHeight);
}
- d->state->redirection_offset += d->engine->coordinateOffset();
+ const QPoint coordinateOffset = d->engine->coordinateOffset();
+ d->state->redirectionMatrix.translate(-coordinateOffset.x(), -coordinateOffset.y());
Q_ASSERT(d->engine->isActive());
- if (!d->state->redirection_offset.isNull())
+ if (!d->state->redirectionMatrix.isIdentity())
d->updateMatrix();
Q_ASSERT(d->engine->isActive());
@@ -6082,22 +6073,22 @@ void QPainter::drawTextItem(const QPointF &p, const QTextItem &_ti)
const QTransform &m = d->state->matrix;
if (d->state->matrix.type() < QTransform::TxShear) {
bool isPlain90DegreeRotation =
- (qFuzzyCompare(m.m11() + 1, qreal(1))
- && qFuzzyCompare(m.m12(), qreal(1))
- && qFuzzyCompare(m.m21(), qreal(-1))
- && qFuzzyCompare(m.m22() + 1, qreal(1))
+ (qFuzzyIsNull(m.m11())
+ && qFuzzyIsNull(m.m12() - qreal(1))
+ && qFuzzyIsNull(m.m21() + qreal(1))
+ && qFuzzyIsNull(m.m22())
)
||
- (qFuzzyCompare(m.m11(), qreal(-1))
- && qFuzzyCompare(m.m12() + 1, qreal(1))
- && qFuzzyCompare(m.m21() + 1, qreal(1))
- && qFuzzyCompare(m.m22(), qreal(-1))
+ (qFuzzyIsNull(m.m11() + qreal(1))
+ && qFuzzyIsNull(m.m12())
+ && qFuzzyIsNull(m.m21())
+ && qFuzzyIsNull(m.m22() + qreal(1))
)
||
- (qFuzzyCompare(m.m11() + 1, qreal(1))
- && qFuzzyCompare(m.m12(), qreal(-1))
- && qFuzzyCompare(m.m21(), qreal(1))
- && qFuzzyCompare(m.m22() + 1, qreal(1))
+ (qFuzzyIsNull(m.m11())
+ && qFuzzyIsNull(m.m12() + qreal(1))
+ && qFuzzyIsNull(m.m21() - qreal(1))
+ && qFuzzyIsNull(m.m22())
)
;
aa = !isPlain90DegreeRotation;
@@ -7704,7 +7695,7 @@ QPainterState::QPainterState(const QPainterState *s)
clipRegion(s->clipRegion), clipPath(s->clipPath),
clipOperation(s->clipOperation),
renderHints(s->renderHints), clipInfo(s->clipInfo),
- worldMatrix(s->worldMatrix), matrix(s->matrix), redirection_offset(s->redirection_offset),
+ worldMatrix(s->worldMatrix), matrix(s->matrix), redirectionMatrix(s->redirectionMatrix),
wx(s->wx), wy(s->wy), ww(s->ww), wh(s->wh),
vx(s->vx), vy(s->vy), vw(s->vw), vh(s->vh),
opacity(s->opacity), WxF(s->WxF), VxF(s->VxF),
generated by cgit v0.12 at 2024-10-24 09:18:48 (GMT)