QgsSymbolLayerV2Utils Class Reference

#include <qgssymbollayerv2utils.h>

List of all members.

Static Public Member Functions

static QString encodeColor (QColor color)
static QColor decodeColor (QString str)
static QString encodePenStyle (Qt::PenStyle style)
static Qt::PenStyle decodePenStyle (QString str)
static QString encodePenJoinStyle (Qt::PenJoinStyle style)
static Qt::PenJoinStyle decodePenJoinStyle (QString str)
static QString encodePenCapStyle (Qt::PenCapStyle style)
static Qt::PenCapStyle decodePenCapStyle (QString str)
static QString encodeBrushStyle (Qt::BrushStyle style)
static Qt::BrushStyle decodeBrushStyle (QString str)
static QString encodePoint (QPointF point)
static QPointF decodePoint (QString str)
static QString encodeRealVector (const QVector< qreal > &v)
static QVector< qreal > decodeRealVector (const QString &s)
static QString encodeOutputUnit (QgsSymbolV2::OutputUnit unit)
static QgsSymbolV2::OutputUnit decodeOutputUnit (QString str)
static QIcon symbolPreviewIcon (QgsSymbolV2 *symbol, QSize size)
static QIcon symbolLayerPreviewIcon (QgsSymbolLayerV2 *layer, QgsSymbolV2::OutputUnit u, QSize size)
static QIcon colorRampPreviewIcon (QgsVectorColorRampV2 *ramp, QSize size)
static QPixmap symbolPreviewPixmap (QgsSymbolV2 *symbol, QSize size)
static QPixmap colorRampPreviewPixmap (QgsVectorColorRampV2 *ramp, QSize size)
static QgsSymbolV2 * loadSymbol (QDomElement &element)
static QgsSymbolLayerV2 * loadSymbolLayer (QDomElement &element)
static QDomElement saveSymbol (QString name, QgsSymbolV2 *symbol, QDomDocument &doc, QgsSymbolV2Map *subSymbols=NULL)
static QgsStringMap parseProperties (QDomElement &element)
static void saveProperties (QgsStringMap props, QDomDocument &doc, QDomElement &element)
static QgsSymbolV2Map loadSymbols (QDomElement &element)
static QDomElement saveSymbols (QgsSymbolV2Map &symbols, QString tagName, QDomDocument &doc)
static void clearSymbolMap (QgsSymbolV2Map &symbols)
static QgsVectorColorRampV2 * loadColorRamp (QDomElement &element)
static QDomElement saveColorRamp (QString name, QgsVectorColorRampV2 *ramp, QDomDocument &doc)
static double lineWidthScaleFactor (QgsRenderContext &c, QgsSymbolV2::OutputUnit u)
 Returns the line width scale factor depending on the unit and the paint device.
static double pixelSizeScaleFactor (QgsRenderContext &c, QgsSymbolV2::OutputUnit u)
 Returns scale factor painter units -> pixel dimensions.
static QgsRenderContext createRenderContext (QPainter *p)
 Creates a render context for a pixel based device.
static void multiplyImageOpacity (QImage *image, qreal alpha)
 Multiplies opacity of image pixel values with a (global) transparency value.

Detailed Description

Definition at line 25 of file qgssymbollayerv2utils.h.

Member Function Documentation

QString QgsSymbolLayerV2Utils::encodeColor ( QColor  color  )  [static]

Definition at line 18 of file qgssymbollayerv2utils.cpp.

Referenced by QgsSymbolV2::dump(), QgsVectorGradientColorRampV2::properties(), QgsFontMarkerSymbolLayerV2::properties(), QgsSimpleMarkerSymbolLayerV2::properties(), QgsLineDecorationSymbolLayerV2::properties(), QgsSimpleLineSymbolLayerV2::properties(), and QgsSimpleFillSymbolLayerV2::properties().

QColor QgsSymbolLayerV2Utils::decodeColor ( QString  str  )  [static]

Definition at line 23 of file qgssymbollayerv2utils.cpp.

Referenced by QgsVectorGradientColorRampV2::create(), QgsFontMarkerSymbolLayerV2::create(), QgsSimpleMarkerSymbolLayerV2::create(), QgsLineDecorationSymbolLayerV2::create(), QgsSimpleLineSymbolLayerV2::create(), and QgsSimpleFillSymbolLayerV2::create().

QString QgsSymbolLayerV2Utils::encodePenStyle ( Qt::PenStyle  style  )  [static]

Definition at line 42 of file qgssymbollayerv2utils.cpp.

Referenced by QgsSimpleLineSymbolLayerV2::properties(), and QgsSimpleFillSymbolLayerV2::properties().

Qt::PenStyle QgsSymbolLayerV2Utils::decodePenStyle ( QString  str  )  [static]

Definition at line 56 of file qgssymbollayerv2utils.cpp.

Referenced by QgsSimpleLineSymbolLayerV2::create(), and QgsSimpleFillSymbolLayerV2::create().

QString QgsSymbolLayerV2Utils::encodePenJoinStyle ( Qt::PenJoinStyle  style  )  [static]

Definition at line 67 of file qgssymbollayerv2utils.cpp.

Referenced by QgsSimpleLineSymbolLayerV2::properties().

Qt::PenJoinStyle QgsSymbolLayerV2Utils::decodePenJoinStyle ( QString  str  )  [static]

Definition at line 78 of file qgssymbollayerv2utils.cpp.

Referenced by QgsSimpleLineSymbolLayerV2::create().

QString QgsSymbolLayerV2Utils::encodePenCapStyle ( Qt::PenCapStyle  style  )  [static]

Definition at line 86 of file qgssymbollayerv2utils.cpp.

Referenced by QgsSimpleLineSymbolLayerV2::properties().

Qt::PenCapStyle QgsSymbolLayerV2Utils::decodePenCapStyle ( QString  str  )  [static]

Definition at line 97 of file qgssymbollayerv2utils.cpp.

Referenced by QgsSimpleLineSymbolLayerV2::create().

QString QgsSymbolLayerV2Utils::encodeBrushStyle ( Qt::BrushStyle  style  )  [static]

Definition at line 106 of file qgssymbollayerv2utils.cpp.

Referenced by QgsSimpleFillSymbolLayerV2::properties().

Qt::BrushStyle QgsSymbolLayerV2Utils::decodeBrushStyle ( QString  str  )  [static]

Definition at line 129 of file qgssymbollayerv2utils.cpp.

Referenced by QgsSimpleFillSymbolLayerV2::create().

QString QgsSymbolLayerV2Utils::encodePoint ( QPointF  point  )  [static]

Definition at line 149 of file qgssymbollayerv2utils.cpp.

Referenced by QgsSvgMarkerSymbolLayerV2::properties(), QgsSimpleMarkerSymbolLayerV2::properties(), and QgsSimpleFillSymbolLayerV2::properties().

QPointF QgsSymbolLayerV2Utils::decodePoint ( QString  str  )  [static]

Definition at line 154 of file qgssymbollayerv2utils.cpp.

Referenced by QgsSvgMarkerSymbolLayerV2::create(), QgsSimpleMarkerSymbolLayerV2::create(), and QgsSimpleFillSymbolLayerV2::create().

QString QgsSymbolLayerV2Utils::encodeRealVector ( const QVector< qreal > &  v  )  [static]

Definition at line 190 of file qgssymbollayerv2utils.cpp.

Referenced by QgsSimpleLineSymbolLayerV2::properties().

QVector< qreal > QgsSymbolLayerV2Utils::decodeRealVector ( const QString &  s  )  [static]

Definition at line 205 of file qgssymbollayerv2utils.cpp.

Referenced by QgsSimpleLineSymbolLayerV2::create().

QString QgsSymbolLayerV2Utils::encodeOutputUnit ( QgsSymbolV2::OutputUnit  unit  )  [static]

Definition at line 162 of file qgssymbollayerv2utils.cpp.

References QgsSymbolV2::MapUnit, and QgsSymbolV2::MM.

Referenced by saveSymbol().

QgsSymbolV2::OutputUnit QgsSymbolLayerV2Utils::decodeOutputUnit ( QString  str  )  [static]

Definition at line 175 of file qgssymbollayerv2utils.cpp.

References QgsSymbolV2::MapUnit, and QgsSymbolV2::MM.

Referenced by loadSymbol().

QIcon QgsSymbolLayerV2Utils::symbolPreviewIcon ( QgsSymbolV2 *  symbol,
QSize  size 
) [static]

Definition at line 219 of file qgssymbollayerv2utils.cpp.

References symbolPreviewPixmap().

Referenced by QgsLegendModel::addVectorLayerItemsV2(), and QgsComposerSymbolV2Item::readXML().

QIcon QgsSymbolLayerV2Utils::symbolLayerPreviewIcon ( QgsSymbolLayerV2 *  layer,
QgsSymbolV2::OutputUnit  u,
QSize  size 
) [static]

Definition at line 239 of file qgssymbollayerv2utils.cpp.

References createRenderContext(), and QgsSymbolLayerV2::drawPreviewIcon().

QIcon QgsSymbolLayerV2Utils::colorRampPreviewIcon ( QgsVectorColorRampV2 *  ramp,
QSize  size 
) [static]

Definition at line 253 of file qgssymbollayerv2utils.cpp.

References colorRampPreviewPixmap().

QPixmap QgsSymbolLayerV2Utils::symbolPreviewPixmap ( QgsSymbolV2 *  symbol,
QSize  size 
) [static]

Definition at line 224 of file qgssymbollayerv2utils.cpp.

References QgsSymbolV2::drawPreviewIcon().

Referenced by QgsSingleSymbolRendererV2::legendSymbologyItems(), QgsRuleBasedRendererV2::legendSymbologyItems(), QgsGraduatedSymbolRendererV2::legendSymbologyItems(), QgsCategorizedSymbolRendererV2::legendSymbologyItems(), and symbolPreviewIcon().

QPixmap QgsSymbolLayerV2Utils::colorRampPreviewPixmap ( QgsVectorColorRampV2 *  ramp,
QSize  size 
) [static]

Definition at line 258 of file qgssymbollayerv2utils.cpp.

References QgsVectorColorRampV2::color().

Referenced by colorRampPreviewIcon().

QgsSymbolV2 * QgsSymbolLayerV2Utils::loadSymbol ( QDomElement &  element  )  [static]

Definition at line 389 of file qgssymbollayerv2utils.cpp.

References decodeOutputUnit(), loadSymbolLayer(), QgsDebugMsg, QgsSymbolV2::setAlpha(), and QgsSymbolV2::setOutputUnit().

Referenced by QgsAnnotationItem::_readXML(), and loadSymbols().

QgsSymbolLayerV2 * QgsSymbolLayerV2Utils::loadSymbolLayer ( QDomElement &  element  )  [static]

Definition at line 440 of file qgssymbollayerv2utils.cpp.

References QgsSymbolLayerV2Registry::createSymbolLayer(), QgsSymbolLayerV2Registry::instance(), parseProperties(), QgsDebugMsg, QgsSymbolLayerV2::setLocked(), and QgsSymbolLayerV2::setRenderingPass().

Referenced by loadSymbol().

QDomElement QgsSymbolLayerV2Utils::saveSymbol ( QString  name,
QgsSymbolV2 *  symbol,
QDomDocument &  doc,
QgsSymbolV2Map *  subSymbols = NULL 
) [static]

Definition at line 475 of file qgssymbollayerv2utils.cpp.

References _nameForSymbolType(), QgsSymbolV2::alpha(), encodeOutputUnit(), QgsSymbolLayerV2::isLocked(), QgsSymbolLayerV2::layerType(), QgsSymbolV2::outputUnit(), QgsSymbolLayerV2::properties(), QgsDebugMsg, QgsSymbolLayerV2::renderingPass(), saveProperties(), QgsSymbolLayerV2::subSymbol(), QgsSymbolV2::symbolLayer(), QgsSymbolV2::symbolLayerCount(), and QgsSymbolV2::type().

Referenced by QgsAnnotationItem::_writeXML(), and saveSymbols().

QgsStringMap QgsSymbolLayerV2Utils::parseProperties ( QDomElement &  element  )  [static]

Definition at line 508 of file qgssymbollayerv2utils.cpp.

References QgsDebugMsg.

Referenced by loadColorRamp(), and loadSymbolLayer().

void QgsSymbolLayerV2Utils::saveProperties ( QgsStringMap  props,
QDomDocument &  doc,
QDomElement &  element 
) [static]

Definition at line 530 of file qgssymbollayerv2utils.cpp.

Referenced by saveColorRamp(), and saveSymbol().

QgsSymbolV2Map QgsSymbolLayerV2Utils::loadSymbols ( QDomElement &  element  )  [static]

Definition at line 541 of file qgssymbollayerv2utils.cpp.

References loadSymbol(), QgsDebugMsg, QgsSymbolLayerV2::setSubSymbol(), QgsSymbolV2::symbolLayer(), and QgsSymbolV2::symbolLayerCount().

Referenced by QgsSingleSymbolRendererV2::create(), QgsRuleBasedRendererV2::create(), QgsGraduatedSymbolRendererV2::create(), QgsCategorizedSymbolRendererV2::create(), QgsStyleV2::load(), and QgsComposerSymbolV2Item::readXML().

QDomElement QgsSymbolLayerV2Utils::saveSymbols ( QgsSymbolV2Map &  symbols,
QString  tagName,
QDomDocument &  doc 
) [static]

Definition at line 619 of file qgssymbollayerv2utils.cpp.

References saveSymbol().

Referenced by QgsStyleV2::save(), QgsSingleSymbolRendererV2::save(), QgsRuleBasedRendererV2::save(), QgsGraduatedSymbolRendererV2::save(), QgsCategorizedSymbolRendererV2::save(), and QgsComposerSymbolV2Item::writeXML().

void QgsSymbolLayerV2Utils::clearSymbolMap ( QgsSymbolV2Map &  symbols  )  [static]

Definition at line 642 of file qgssymbollayerv2utils.cpp.

Referenced by QgsSingleSymbolRendererV2::create(), QgsRuleBasedRendererV2::create(), QgsGraduatedSymbolRendererV2::create(), and QgsCategorizedSymbolRendererV2::create().

QgsVectorColorRampV2 * QgsSymbolLayerV2Utils::loadColorRamp ( QDomElement &  element  )  [static]

Definition at line 650 of file qgssymbollayerv2utils.cpp.

References QgsVectorColorBrewerColorRampV2::create(), QgsVectorRandomColorRampV2::create(), QgsVectorGradientColorRampV2::create(), parseProperties(), and QgsDebugMsg.

Referenced by QgsGraduatedSymbolRendererV2::create(), QgsCategorizedSymbolRendererV2::create(), and QgsStyleV2::load().

QDomElement QgsSymbolLayerV2Utils::saveColorRamp ( QString  name,
QgsVectorColorRampV2 *  ramp,
QDomDocument &  doc 
) [static]

Definition at line 671 of file qgssymbollayerv2utils.cpp.

References QgsVectorColorRampV2::properties(), saveProperties(), and QgsVectorColorRampV2::type().

Referenced by QgsStyleV2::save(), QgsGraduatedSymbolRendererV2::save(), and QgsCategorizedSymbolRendererV2::save().

double QgsSymbolLayerV2Utils::lineWidthScaleFactor ( QgsRenderContext &  c,
QgsSymbolV2::OutputUnit  u 
) [static]

Returns the line width scale factor depending on the unit and the paint device.

Definition at line 681 of file qgssymbollayerv2utils.cpp.

References QgsRenderContext::mapToPixel(), QgsMapToPixel::mapUnitsPerPixel(), QgsSymbolV2::MM, and QgsRenderContext::scaleFactor().

Referenced by QgsSymbolV2RenderContext::outputLineWidth().

double QgsSymbolLayerV2Utils::pixelSizeScaleFactor ( QgsRenderContext &  c,
QgsSymbolV2::OutputUnit  u 
) [static]

Returns scale factor painter units -> pixel dimensions.

Definition at line 702 of file qgssymbollayerv2utils.cpp.

References QgsRenderContext::mapToPixel(), QgsMapToPixel::mapUnitsPerPixel(), QgsSymbolV2::MM, QgsRenderContext::rasterScaleFactor(), and QgsRenderContext::scaleFactor().

Referenced by QgsSymbolV2RenderContext::outputPixelSize().

QgsRenderContext QgsSymbolLayerV2Utils::createRenderContext ( QPainter *  p  )  [static]

Creates a render context for a pixel based device.

Definition at line 722 of file qgssymbollayerv2utils.cpp.

References QgsRenderContext::setPainter(), QgsRenderContext::setRasterScaleFactor(), and QgsRenderContext::setScaleFactor().

Referenced by QgsSymbolV2::bigSymbolPreviewImage(), QgsSymbolV2::drawPreviewIcon(), and symbolLayerPreviewIcon().

void QgsSymbolLayerV2Utils::multiplyImageOpacity ( QImage *  image,
qreal  alpha 
) [static]

Multiplies opacity of image pixel values with a (global) transparency value.

Definition at line 738 of file qgssymbollayerv2utils.cpp.

References QgsDebugMsg.

Referenced by QgsSimpleMarkerSymbolLayerV2::prepareCache(), and QgsSVGFillSymbolLayer::startRender().

The documentation for this class was generated from the following files:
Generated on Sat Feb 4 19:17:54 2012 for Quantum GIS API Documentation by  doxygen 1.5.6