Quantum GIS API Documentation
1.8
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#include <qgsdiagram.h>
Public Types | |
enum | Shape { Circle = 0, Rectangle, Triangle } |
enum | Orientation { Horizontal = 0, Vertical } |
Public Member Functions | |
QgsTextDiagram () | |
~QgsTextDiagram () | |
void | renderDiagram (const QgsAttributeMap &att, QgsRenderContext &c, const QgsDiagramSettings &s, const QPointF &position) |
Draws the diagram at the given position (in pixel coordinates) | |
QString | diagramName () const |
Private Member Functions | |
void | lineEllipseIntersection (const QPointF &lineStart, const QPointF &lineEnd, const QPointF &ellipseMid, double r1, double r2, QList< QPointF > &result) const |
Calculates intersection points between a line and an ellipse. | |
Private Attributes | |
Orientation | mOrientation |
Shape | mShape |
QBrush | mBrush |
QPen | mPen |
Definition at line 43 of file qgsdiagram.h.
Definition at line 53 of file qgsdiagram.h.
Definition at line 46 of file qgsdiagram.h.
Definition at line 61 of file qgsdiagram.cpp.
Definition at line 69 of file qgsdiagram.cpp.
QString QgsTextDiagram::diagramName | ( | ) | const [inline, virtual] |
Implements QgsDiagram.
Definition at line 63 of file qgsdiagram.h.
void QgsTextDiagram::lineEllipseIntersection | ( | const QPointF & | lineStart, |
const QPointF & | lineEnd, | ||
const QPointF & | ellipseMid, | ||
double | r1, | ||
double | r2, | ||
QList< QPointF > & | result | ||
) | const [private] |
Calculates intersection points between a line and an ellipse.
Definition at line 210 of file qgsdiagram.cpp.
Referenced by renderDiagram().
void QgsTextDiagram::renderDiagram | ( | const QgsAttributeMap & | att, |
QgsRenderContext & | c, | ||
const QgsDiagramSettings & | s, | ||
const QPointF & | position | ||
) | [virtual] |
Draws the diagram at the given position (in pixel coordinates)
Implements QgsDiagram.
Definition at line 73 of file qgsdiagram.cpp.
References QgsDiagramSettings::backgroundColor, QgsDiagramSettings::categoryColors, QgsDiagramSettings::categoryIndices, Circle, Horizontal, lineEllipseIntersection(), QgsDiagramSettings::maxScaleDenominator, mBrush, QgsDiagramSettings::minScaleDenominator, mOrientation, mPen, mShape, QgsRenderContext::painter(), QgsDiagramSettings::penColor, Rectangle, QgsRenderContext::rendererScale(), QgsDiagram::scaledFont(), QgsDiagram::setPenWidth(), QgsDiagramSettings::size, and QgsDiagram::sizePainterUnits().
QBrush QgsTextDiagram::mBrush [private] |
Definition at line 68 of file qgsdiagram.h.
Referenced by QgsTextDiagram(), and renderDiagram().
Orientation QgsTextDiagram::mOrientation [private] |
Definition at line 66 of file qgsdiagram.h.
Referenced by renderDiagram().
QPen QgsTextDiagram::mPen [private] |
Definition at line 69 of file qgsdiagram.h.
Referenced by QgsTextDiagram(), and renderDiagram().
Shape QgsTextDiagram::mShape [private] |
Definition at line 67 of file qgsdiagram.h.
Referenced by renderDiagram().