QgsStringMap QgsArrowSymbolLayer::properties() const
{
QgsStringMap map;
map["arrow_width"] = QString::number( arrowWidth() );
map["arrow_width_unit"] = QgsSymbolLayerV2Utils::encodeOutputUnit( arrowWidthUnit() );
map["arrow_width_unit_scale"] = QgsSymbolLayerV2Utils::encodeMapUnitScale( arrowWidthUnitScale() );
map["arrow_start_width"] = QString::number( arrowStartWidth() );
map["arrow_start_width_unit"] = QgsSymbolLayerV2Utils::encodeOutputUnit( arrowStartWidthUnit() );
map["arrow_start_width_unit_scale"] = QgsSymbolLayerV2Utils::encodeMapUnitScale( arrowStartWidthUnitScale() );
map["is_curved"] = QString::number( isCurved() ? 1 : 0 );
map["is_repeated"] = QString::number( isRepeated() ? 1 : 0 );
map["head_width"] = QString::number( headWidth() );
map["head_width_unit"] = QgsSymbolLayerV2Utils::encodeOutputUnit( headWidthUnit() );
map["head_width_unit_scale"] = QgsSymbolLayerV2Utils::encodeMapUnitScale( headWidthUnitScale() );
map["head_height"] = QString::number( headHeight() );
map["head_height_unit"] = QgsSymbolLayerV2Utils::encodeOutputUnit( headHeightUnit() );
map["head_height_unit_scale"] = QgsSymbolLayerV2Utils::encodeMapUnitScale( headHeightUnitScale() );
map["head_type"] = QString::number( headType() );
map["arrow_type"] = QString::number( arrowType() );
map["offset"] = QString::number( offset() );
map["offset_unit"] = QgsSymbolLayerV2Utils::encodeOutputUnit( offsetUnit() );
map["offset_unit_scale"] = QgsSymbolLayerV2Utils::encodeMapUnitScale( offsetMapUnitScale() );
saveDataDefinedProperties( map );
return map;
}
int main() {
//char a[100] = "abcabccccabcabcccc";
char a[100] = "abcabccccabcabccc";
//char a[100] = "";
//char b[100] = "abcabcccc";
char b[100] = "";
int p = isRepeated(a,b);
printf("%d",p);
return 0;
}
bool System::texture_isRepeated(unsigned int id)
{
auto texture = mTextureHandler.get(id);
if(nullptr == texture)
{
return false;
}
return texture->isRepeated();
}
void QgsArrowSymbolLayer::renderPolyline( const QPolygonF& points, QgsSymbolV2RenderContext& context )
{
Q_UNUSED( points );
if ( !context.renderContext().painter() )
{
return;
}
context.renderContext().expressionContext().appendScope( mExpressionScope.data() );
mExpressionScope->setVariable( QgsExpressionContext::EXPR_GEOMETRY_POINT_COUNT, points.size() + 1 );
mExpressionScope->setVariable( QgsExpressionContext::EXPR_GEOMETRY_POINT_NUM, 1 );
if ( isCurved() )
{
_resolveDataDefined( context );
if ( ! isRepeated() )
{
if ( points.size() >= 3 )
{
// origin point
QPointF po( points.at( 0 ) );
// middle point
QPointF pm( points.at( points.size() / 2 ) );
// destination point
QPointF pd( points.back() );
QPolygonF poly = curvedArrow( po, pm, pd, mScaledArrowStartWidth, mScaledArrowWidth, mScaledHeadWidth, mScaledHeadHeight, mComputedHeadType, mComputedArrowType, mScaledOffset );
mSymbol->renderPolygon( poly, /* rings */ nullptr, context.feature(), context.renderContext() );
}
// straight arrow
else if ( points.size() == 2 )
{
// origin point
QPointF po( points.at( 0 ) );
// destination point
QPointF pd( points.at( 1 ) );
QPolygonF poly = straightArrow( po, pd, mScaledArrowStartWidth, mScaledArrowWidth, mScaledHeadWidth, mScaledHeadHeight, mComputedHeadType, mComputedArrowType, mScaledOffset );
mSymbol->renderPolygon( poly, /* rings */ nullptr, context.feature(), context.renderContext() );
}
}
else
{
for ( int pIdx = 0; pIdx < points.size() - 1; pIdx += 2 )
{
mExpressionScope->setVariable( QgsExpressionContext::EXPR_GEOMETRY_POINT_NUM, pIdx + 1 );
_resolveDataDefined( context );
if ( points.size() - pIdx >= 3 )
{
// origin point
QPointF po( points.at( pIdx ) );
// middle point
QPointF pm( points.at( pIdx + 1 ) );
// destination point
QPointF pd( points.at( pIdx + 2 ) );
QPolygonF poly = curvedArrow( po, pm, pd, mScaledArrowStartWidth, mScaledArrowWidth, mScaledHeadWidth, mScaledHeadHeight, mComputedHeadType, mComputedArrowType, mScaledOffset );
mSymbol->renderPolygon( poly, /* rings */ nullptr, context.feature(), context.renderContext() );
}
// straight arrow
else if ( points.size() - pIdx == 2 )
{
// origin point
QPointF po( points.at( pIdx ) );
// destination point
QPointF pd( points.at( pIdx + 1 ) );
QPolygonF poly = straightArrow( po, pd, mScaledArrowStartWidth, mScaledArrowWidth, mScaledHeadWidth, mScaledHeadHeight, mComputedHeadType, mComputedArrowType, mScaledOffset );
mSymbol->renderPolygon( poly, /* rings */ nullptr, context.feature(), context.renderContext() );
}
}
}
}
else
{
if ( !isRepeated() )
{
_resolveDataDefined( context );
// origin point
QPointF po( points.at( 0 ) );
// destination point
QPointF pd( points.back() );
QPolygonF poly = straightArrow( po, pd, mScaledArrowStartWidth, mScaledArrowWidth, mScaledHeadWidth, mScaledHeadHeight, mComputedHeadType, mComputedArrowType, mScaledOffset );
mSymbol->renderPolygon( poly, /* rings */ nullptr, context.feature(), context.renderContext() );
}
else
{
// only straight arrows
for ( int pIdx = 0; pIdx < points.size() - 1; pIdx++ )
{
mExpressionScope->setVariable( QgsExpressionContext::EXPR_GEOMETRY_POINT_NUM, pIdx + 1 );
_resolveDataDefined( context );
// origin point
QPointF po( points.at( pIdx ) );
// destination point
QPointF pd( points.at( pIdx + 1 ) );
QPolygonF poly = straightArrow( po, pd, mScaledArrowStartWidth, mScaledArrowWidth, mScaledHeadWidth, mScaledHeadHeight, mComputedHeadType, mComputedArrowType, mScaledOffset );
mSymbol->renderPolygon( poly, /* rings */ nullptr, context.feature(), context.renderContext() );
}
}
}
context.renderContext().expressionContext().popScope();
}
