static QPainterPath getPathStroke(const QPainterPath &path, const RenderObject* object, const RenderStyle* style)
{
QPainterPathStroker s;
s.setWidth(KSVGPainterFactory::cssPrimitiveToLength(object, style->svgStyle()->strokeWidth(), 1.0));
if (style->svgStyle()->capStyle() == ButtCap)
s.setCapStyle(Qt::FlatCap);
else if (style->svgStyle()->capStyle() == RoundCap)
s.setCapStyle(Qt::RoundCap);
if (style->svgStyle()->joinStyle() == MiterJoin) {
s.setJoinStyle(Qt::MiterJoin);
s.setMiterLimit((qreal) style->svgStyle()->strokeMiterLimit());
} else if(style->svgStyle()->joinStyle() == RoundJoin)
s.setJoinStyle(Qt::RoundJoin);
const KCDashArray& dashes = KSVGPainterFactory::dashArrayFromRenderingStyle(style);
double dashOffset = KSVGPainterFactory::cssPrimitiveToLength(object, style->svgStyle()->strokeDashOffset(), 0.0);
unsigned int dashLength = !dashes.isEmpty() ? dashes.size() : 0;
if(dashLength) {
QVector<qreal> pattern;
unsigned int count = (dashLength % 2) == 0 ? dashLength : dashLength * 2;
for(unsigned int i = 0; i < count; i++)
pattern.append(dashes[i % dashLength] / (float)s.width());
s.setDashPattern(pattern);
Q_UNUSED(dashOffset);
// TODO: dash-offset, does/will qt4 API allow it? (Rob)
}
return s.createStroke(path);
}
void LayoutBreak::draw(QPainter* painter) const
{
if (score()->printing() || !score()->showUnprintable())
return;
QPainterPathStroker stroker;
stroker.setWidth(lw/2);
stroker.setJoinStyle(Qt::MiterJoin);
stroker.setCapStyle(Qt::SquareCap);
QVector<qreal> dashes ;
dashes.append(1);
dashes.append(3);
stroker.setDashPattern(dashes);
QPainterPath stroke = stroker.createStroke(path);
painter->fillPath(stroke, selected() ? MScore::selectColor[0] : MScore::layoutBreakColor);
painter->setPen(QPen(selected() ? MScore::selectColor[0] : MScore::layoutBreakColor,
lw, Qt::SolidLine, Qt::SquareCap, Qt::MiterJoin));
painter->setBrush(Qt::NoBrush);
painter->drawPath(path2);
}
FloatRect Path::strokeBoundingRect(StrokeStyleApplier* applier)
{
GraphicsContext* gc = scratchContext();
QPainterPathStroker stroke;
if (applier) {
applier->strokeStyle(gc);
QPen pen = gc->pen();
stroke.setWidth(pen.widthF());
stroke.setCapStyle(pen.capStyle());
stroke.setJoinStyle(pen.joinStyle());
stroke.setMiterLimit(pen.miterLimit());
stroke.setDashPattern(pen.dashPattern());
stroke.setDashOffset(pen.dashOffset());
}
return stroke.createStroke(m_path).boundingRect();
}
bool Path::strokeContains(StrokeStyleApplier* applier, const FloatPoint& point) const
{
ASSERT(applier);
QPainterPathStroker stroke;
GraphicsContext* gc = scratchContext();
applier->strokeStyle(gc);
QPen pen = gc->pen();
stroke.setWidth(pen.widthF());
stroke.setCapStyle(pen.capStyle());
stroke.setJoinStyle(pen.joinStyle());
stroke.setMiterLimit(pen.miterLimit());
stroke.setDashPattern(pen.dashPattern());
stroke.setDashOffset(pen.dashOffset());
return stroke.createStroke(m_path).contains(point);
}
void tst_QPainterPath::testStroker()
{
QFETCH(QPainterPath, path);
QFETCH(QPen, pen);
QFETCH(QPainterPath, stroke);
QPainterPathStroker stroker;
stroker.setWidth(pen.widthF());
stroker.setCapStyle(pen.capStyle());
stroker.setJoinStyle(pen.joinStyle());
stroker.setMiterLimit(pen.miterLimit());
stroker.setDashPattern(pen.style());
stroker.setDashOffset(pen.dashOffset());
QPainterPath result = stroker.createStroke(path);
// check if stroke == result
QVERIFY(result.subtracted(stroke).isEmpty());
QVERIFY(stroke.subtracted(result).isEmpty());
}
FloatRect Path::strokeBoundingRect(StrokeStyleApplier* applier)
{
// FIXME: We should try to use a 'shared Context' instead of creating a new ImageBuffer
// on each call.
OwnPtr<ImageBuffer> scratchImage = ImageBuffer::create(IntSize(1, 1));
GraphicsContext* gc = scratchImage->context();
QPainterPathStroker stroke;
if (applier) {
applier->strokeStyle(gc);
QPen pen = gc->pen();
stroke.setWidth(pen.widthF());
stroke.setCapStyle(pen.capStyle());
stroke.setJoinStyle(pen.joinStyle());
stroke.setMiterLimit(pen.miterLimit());
stroke.setDashPattern(pen.dashPattern());
stroke.setDashOffset(pen.dashOffset());
}
return stroke.createStroke(m_path).boundingRect();
}
bool Path::strokeContains(StrokeStyleApplier* applier, const FloatPoint& point) const
{
ASSERT(applier);
// FIXME: We should try to use a 'shared Context' instead of creating a new ImageBuffer
// on each call.
OwnPtr<ImageBuffer> scratchImage = ImageBuffer::create(IntSize(1, 1));
GraphicsContext* gc = scratchImage->context();
QPainterPathStroker stroke;
applier->strokeStyle(gc);
QPen pen = gc->pen();
stroke.setWidth(pen.widthF());
stroke.setCapStyle(pen.capStyle());
stroke.setJoinStyle(pen.joinStyle());
stroke.setMiterLimit(pen.miterLimit());
stroke.setDashPattern(pen.dashPattern());
stroke.setDashOffset(pen.dashOffset());
return stroke.createStroke(m_path).contains(point);
}
void Box::draw(QPainter* painter) const
{
if (score() && score()->printing())
return;
if (selected() || editMode || dropTarget() || score()->showFrames()) {
qreal w = spatium() * .15;
QPainterPathStroker stroker;
stroker.setWidth(w);
stroker.setJoinStyle(Qt::MiterJoin);
stroker.setCapStyle(Qt::SquareCap);
QVector<qreal> dashes ;
dashes.append(1);
dashes.append(3);
stroker.setDashPattern(dashes);
QPainterPath path;
w *= .5;
path.addRect(bbox().adjusted(w, w, -w, -w));
QPainterPath stroke = stroker.createStroke(path);
painter->setBrush(Qt::NoBrush);
painter->fillPath(stroke, (selected() || editMode || dropTarget()) ? MScore::selectColor[0] : MScore::frameMarginColor);
}
}
QImage BitmapHelper::drawSelection(const QImage *source, const QPainterPath &selectedPath, int scale)
{
QImage image = *source;
QPixmap pixmap = QPixmap::fromImage(image);
QPainter painter(&pixmap);
QColor selectionBorderColor = QColor(0, 0, 248, 128);
QBrush selectionFillBrush(QColor(64, 128, 248, 128));
QTransform transform;
transform = transform.scale((float)scale, (float)scale);
painter.setTransform(transform);
painter.setCompositionMode(QPainter::CompositionMode_SourceOver);
painter.setRenderHint(QPainter::Antialiasing, false);
painter.setRenderHint(QPainter::HighQualityAntialiasing, false);
painter.setPen(selectionBorderColor);
painter.setBrush(selectionFillBrush);
painter.fillPath(selectedPath, selectionFillBrush);
if (scale > 5) {
painter.setRenderHint(QPainter::Antialiasing, true);
painter.setRenderHint(QPainter::HighQualityAntialiasing, true);
QPainterPathStroker stroker;
float offset = 1.0f / (float)scale;
stroker.setWidth(offset * 2.0f);
stroker.setJoinStyle(Qt::RoundJoin);
stroker.setDashPattern(Qt::DashLine);
QPainterPath strokedPath = stroker.createStroke(selectedPath);
painter.fillPath(strokedPath, QBrush(selectionBorderColor));
}
return pixmap.toImage();
}
void PathStrokeRenderer::paint(QPainter *painter)
{
if (m_points.isEmpty())
initializePoints();
painter->setRenderHint(QPainter::Antialiasing);
QPalette pal = palette();
painter->setPen(Qt::NoPen);
// Construct the path
QPainterPath path;
path.moveTo(m_points.at(0));
if (m_pathMode == LineMode) {
for (int i=1; i<m_points.size(); ++i)
path.lineTo(m_points.at(i));
} else {
int i=1;
while (i + 2 < m_points.size()) {
path.cubicTo(m_points.at(i), m_points.at(i+1), m_points.at(i+2));
i += 3;
}
while (i < m_points.size()) {
path.lineTo(m_points.at(i));
++i;
}
}
// Draw the path
{
QColor lg = Qt::red;
// The "custom" pen
if (m_penStyle == Qt::NoPen) {
QPainterPathStroker stroker;
stroker.setWidth(m_penWidth);
stroker.setJoinStyle(m_joinStyle);
stroker.setCapStyle(m_capStyle);
QVector<qreal> dashes;
qreal space = 4;
dashes << 1 << space
<< 3 << space
<< 9 << space
<< 27 << space
<< 9 << space
<< 3 << space;
stroker.setDashPattern(dashes);
QPainterPath stroke = stroker.createStroke(path);
painter->fillPath(stroke, lg);
} else {
QPen pen(lg, m_penWidth, m_penStyle, m_capStyle, m_joinStyle);
painter->strokePath(path, pen);
}
}
if (1) {
// Draw the control points
painter->setPen(QColor(50, 100, 120, 200));
painter->setBrush(QColor(200, 200, 210, 120));
for (int i=0; i<m_points.size(); ++i) {
QPointF pos = m_points.at(i);
painter->drawEllipse(QRectF(pos.x() - m_pointSize,
pos.y() - m_pointSize,
m_pointSize*2, m_pointSize*2));
}
painter->setPen(QPen(Qt::lightGray, 0, Qt::SolidLine));
painter->setBrush(Qt::NoBrush);
painter->drawPolyline(m_points);
}
}
bool PathStrokerPlugin::run(ScribusDoc* doc, QString)
{
ScribusDoc* currDoc = doc;
if (currDoc == 0)
currDoc = ScCore->primaryMainWindow()->doc;
if (currDoc->m_Selection->count() > 0)
{
QVector<double> m_array;
PageItem *currItem = currDoc->m_Selection->itemAt(0);
FPointArray path = currItem->PoLine;
QPainterPath pp;
if (currItem->itemType() == PageItem::PolyLine)
pp = path.toQPainterPath(false);
else
pp = path.toQPainterPath(true);
if (currItem->NamedLStyle.isEmpty())
{
QPainterPathStroker stroke;
stroke.setCapStyle(currItem->lineEnd());
stroke.setJoinStyle(currItem->lineJoin());
if (currItem->lineStyle() == Qt::SolidLine)
stroke.setDashPattern(currItem->lineStyle());
else
{
getDashArray(currItem->lineStyle(), 1, m_array);
stroke.setDashPattern(m_array);
}
stroke.setWidth(currItem->lineWidth());
QPainterPath result = stroke.createStroke(pp).simplified();
if (currItem->startArrowIndex() != 0)
{
FPoint Start = currItem->PoLine.point(0);
for (uint xx = 1; xx < currItem->PoLine.size(); xx += 2)
{
FPoint Vector = currItem->PoLine.point(xx);
if ((Start.x() != Vector.x()) || (Start.y() != Vector.y()))
{
double r = atan2(Start.y()-Vector.y(),Start.x()-Vector.x())*(180.0/M_PI);
QMatrix arrowTrans;
FPointArray arrow = currDoc->arrowStyles.at(currItem->startArrowIndex()-1).points.copy();
arrowTrans.translate(Start.x(), Start.y());
arrowTrans.rotate(r);
arrowTrans.scale(currItem->lineWidth(), currItem->lineWidth());
arrow.map(arrowTrans);
result.addPath(arrow.toQPainterPath(true));
break;
}
}
}
if (currItem->endArrowIndex() != 0)
{
FPoint End = currItem->PoLine.point(currItem->PoLine.size()-2);
for (uint xx = currItem->PoLine.size()-1; xx > 0; xx -= 2)
{
FPoint Vector = currItem->PoLine.point(xx);
if ((End.x() != Vector.x()) || (End.y() != Vector.y()))
{
double r = atan2(End.y()-Vector.y(),End.x()-Vector.x())*(180.0/M_PI);
QMatrix arrowTrans;
FPointArray arrow = currDoc->arrowStyles.at(currItem->endArrowIndex()-1).points.copy();
arrowTrans.translate(End.x(), End.y());
arrowTrans.rotate(r);
arrowTrans.scale(currItem->lineWidth(), currItem->lineWidth());
arrow.map(arrowTrans);
result.addPath(arrow.toQPainterPath(true));
break;
}
}
}
currDoc->m_Selection->clear();
PageItem* newItem = currDoc->convertItemTo(currItem, PageItem::Polygon);
newItem->setLineWidth(0);
newItem->setLineStyle(Qt::SolidLine);
newItem->setFillColor(newItem->lineColor());
newItem->setFillShade(newItem->lineShade());
newItem->setFillTransparency(newItem->lineTransparency());
newItem->setFillBlendmode(newItem->lineBlendmode());
FPointArray points;
points.fromQPainterPath(result);
newItem->PoLine = points;
newItem->Frame = false;
newItem->ClipEdited = true;
newItem->FrameType = 3;
currDoc->AdjustItemSize(newItem);
newItem->OldB2 = newItem->width();
newItem->OldH2 = newItem->height();
newItem->updateClip();
newItem->ContourLine = newItem->PoLine.copy();
newItem->setFillEvenOdd(true);
currDoc->m_Selection->addItem(newItem);
}
else
{
currDoc->m_Selection->clear();
multiLine ml = currDoc->MLineStyles[currItem->NamedLStyle];
bool first = true;
for (int it = ml.size()-1; it > -1; it--)
{
if ((ml[it].Color != CommonStrings::None) && (ml[it].Width != 0))
{
QPainterPathStroker stroke;
stroke.setCapStyle(static_cast<Qt::PenCapStyle>(ml[it].LineEnd));
stroke.setJoinStyle(static_cast<Qt::PenJoinStyle>(ml[it].LineJoin));
if (static_cast<Qt::PenStyle>(ml[it].Dash) == Qt::SolidLine)
stroke.setDashPattern(static_cast<Qt::PenStyle>(ml[it].Dash));
else
{
getDashArray(static_cast<Qt::PenStyle>(ml[it].Dash), 1, m_array);
stroke.setDashPattern(m_array);
}
stroke.setWidth(ml[it].Width);
QPainterPath result = stroke.createStroke(pp).simplified();
PageItem* newItem;
if (first)
{
newItem = currDoc->convertItemTo(currItem, PageItem::Polygon);
}
else
{
newItem = new PageItem_Polygon(*currItem);
newItem->convertTo(PageItem::Polygon);
currDoc->Items->append(newItem);
}
first = false;
newItem->ItemNr = currDoc->Items->count()-1;
newItem->setLineStyle(Qt::SolidLine);
newItem->setFillColor(ml[it].Color);
newItem->setFillShade(ml[it].Shade);
newItem->setFillTransparency(newItem->lineTransparency());
newItem->setFillBlendmode(newItem->lineBlendmode());
newItem->setLineColor(CommonStrings::None);
newItem->setCustomLineStyle("");
FPointArray points;
points.fromQPainterPath(result);
newItem->PoLine = points;
newItem->Frame = false;
newItem->ClipEdited = true;
newItem->FrameType = 3;
currDoc->AdjustItemSize(newItem);
newItem->OldB2 = newItem->width();
newItem->OldH2 = newItem->height();
newItem->updateClip();
newItem->ContourLine = newItem->PoLine.copy();
newItem->setFillEvenOdd(true);
currDoc->m_Selection->addItem(newItem);
}
}
if (currItem->startArrowIndex() != 0)
{
FPoint Start = currItem->PoLine.point(0);
for (uint xx = 1; xx < currItem->PoLine.size(); xx += 2)
{
FPoint Vector = currItem->PoLine.point(xx);
if ((Start.x() != Vector.x()) || (Start.y() != Vector.y()))
{
double r = atan2(Start.y()-Vector.y(),Start.x()-Vector.x())*(180.0/M_PI);
QMatrix arrowTrans;
FPointArray arrow = currDoc->arrowStyles.at(currItem->startArrowIndex()-1).points.copy();
arrowTrans.translate(Start.x(), Start.y());
arrowTrans.rotate(r);
arrowTrans.scale(currItem->lineWidth(), currItem->lineWidth());
arrow.map(arrowTrans);
PageItem* newItem = new PageItem_Polygon(*currItem);
currDoc->Items->append(newItem);
newItem->ItemNr = currDoc->Items->count()-1;
newItem->setLineWidth(0);
newItem->setLineStyle(Qt::SolidLine);
newItem->setCustomLineStyle("");
newItem->setFillColor(newItem->lineColor());
newItem->setFillShade(newItem->lineShade());
newItem->setFillTransparency(newItem->lineTransparency());
newItem->setFillBlendmode(newItem->lineBlendmode());
newItem->PoLine = arrow;
newItem->Frame = false;
newItem->ClipEdited = true;
newItem->FrameType = 3;
currDoc->AdjustItemSize(newItem);
newItem->OldB2 = newItem->width();
newItem->OldH2 = newItem->height();
newItem->updateClip();
newItem->ContourLine = newItem->PoLine.copy();
newItem->setFillEvenOdd(true);
currDoc->m_Selection->addItem(newItem);
break;
}
}
}
if (currItem->endArrowIndex() != 0)
{
FPoint End = currItem->PoLine.point(currItem->PoLine.size()-2);
for (uint xx = currItem->PoLine.size()-1; xx > 0; xx -= 2)
{
FPoint Vector = currItem->PoLine.point(xx);
if ((End.x() != Vector.x()) || (End.y() != Vector.y()))
{
double r = atan2(End.y()-Vector.y(),End.x()-Vector.x())*(180.0/M_PI);
QMatrix arrowTrans;
FPointArray arrow = currDoc->arrowStyles.at(currItem->endArrowIndex()-1).points.copy();
arrowTrans.translate(End.x(), End.y());
arrowTrans.rotate(r);
arrowTrans.scale(currItem->lineWidth(), currItem->lineWidth());
arrow.map(arrowTrans);
PageItem* newItem = new PageItem_Polygon(*currItem);
currDoc->Items->append(newItem);
newItem->ItemNr = currDoc->Items->count()-1;
newItem->setLineWidth(0);
newItem->setLineStyle(Qt::SolidLine);
newItem->setCustomLineStyle("");
newItem->setFillColor(newItem->lineColor());
newItem->setFillShade(newItem->lineShade());
newItem->setFillTransparency(newItem->lineTransparency());
newItem->setFillBlendmode(newItem->lineBlendmode());
newItem->PoLine = arrow;
newItem->Frame = false;
newItem->ClipEdited = true;
newItem->FrameType = 3;
currDoc->AdjustItemSize(newItem);
newItem->OldB2 = newItem->width();
newItem->OldH2 = newItem->height();
newItem->updateClip();
newItem->ContourLine = newItem->PoLine.copy();
newItem->setFillEvenOdd(true);
currDoc->m_Selection->addItem(newItem);
break;
}
}
}
if (currDoc->m_Selection->count() > 1)
currDoc->itemSelection_GroupObjects(false, false);
currDoc->m_Selection->itemAt(0)->emitAllToGUI();
}
currDoc->changed();
}
return true;
}
