/usr/include/qgis/qgssymbollayerv2.h is in libqgis-dev 1.7.4+1.7.5~20120320-1.1+b1.
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1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 | #ifndef QGSSYMBOLLAYERV2_H
#define QGSSYMBOLLAYERV2_H
#include <QMap>
#include <QColor>
#include <QPointF>
#include "qgssymbolv2.h"
#include "qgssymbollayerv2utils.h" // QgsStringMap
class QPainter;
class QSize;
class QPolygonF;
class QgsRenderContext;
class QgsSymbolV2;
class CORE_EXPORT QgsSymbolLayerV2
{
public:
// not necessarily supported by all symbol layers...
virtual void setColor( const QColor& color ) { mColor = color; }
virtual QColor color() const { return mColor; }
virtual ~QgsSymbolLayerV2() {}
virtual QString layerType() const = 0;
virtual void startRender( QgsSymbolV2RenderContext& context ) = 0;
virtual void stopRender( QgsSymbolV2RenderContext& context ) = 0;
virtual QgsSymbolLayerV2* clone() const = 0;
virtual QgsStringMap properties() const = 0;
virtual void drawPreviewIcon( QgsSymbolV2RenderContext& context, QSize size ) = 0;
virtual QgsSymbolV2* subSymbol() { return NULL; }
// set layer's subsymbol. takes ownership of the passed symbol
virtual bool setSubSymbol( QgsSymbolV2* symbol ) { delete symbol; return false; }
QgsSymbolV2::SymbolType type() const { return mType; }
void setLocked( bool locked ) { mLocked = locked; }
bool isLocked() const { return mLocked; }
// used only with rending with symbol levels is turned on (0 = first pass, 1 = second, ...)
void setRenderingPass( int renderingPass ) { mRenderingPass = renderingPass; }
int renderingPass() const { return mRenderingPass; }
protected:
QgsSymbolLayerV2( QgsSymbolV2::SymbolType type, bool locked = false )
: mType( type ), mLocked( locked ), mRenderingPass( 0 ) {}
QgsSymbolV2::SymbolType mType;
bool mLocked;
QColor mColor;
int mRenderingPass;
// Configuration of selected symbology implementation
static const bool selectionIsOpaque = true; // Selection ignores symbol alpha
static const bool selectFillBorder = false; // Fill symbol layer also selects border symbology
static const bool selectFillStyle = false; // Fill symbol uses symbol layer style..
};
//////////////////////
class CORE_EXPORT QgsMarkerSymbolLayerV2 : public QgsSymbolLayerV2
{
public:
virtual void renderPoint( const QPointF& point, QgsSymbolV2RenderContext& context ) = 0;
void drawPreviewIcon( QgsSymbolV2RenderContext& context, QSize size );
void setAngle( double angle ) { mAngle = angle; }
double angle() const { return mAngle; }
void setSize( double size ) { mSize = size; }
double size() const { return mSize; }
void setOffset( QPointF offset ) { mOffset = offset; }
QPointF offset() { return mOffset; }
protected:
QgsMarkerSymbolLayerV2( bool locked = false );
double mAngle;
double mSize;
QPointF mOffset;
};
class CORE_EXPORT QgsLineSymbolLayerV2 : public QgsSymbolLayerV2
{
public:
virtual void renderPolyline( const QPolygonF& points, QgsSymbolV2RenderContext& context ) = 0;
//! @note added in v1.7
virtual void renderPolygonOutline( const QPolygonF& points, QList<QPolygonF>* rings, QgsSymbolV2RenderContext& context );
virtual void setWidth( double width ) { mWidth = width; }
virtual double width() const { return mWidth; }
void drawPreviewIcon( QgsSymbolV2RenderContext& context, QSize size );
protected:
QgsLineSymbolLayerV2( bool locked = false );
double mWidth;
};
class CORE_EXPORT QgsFillSymbolLayerV2 : public QgsSymbolLayerV2
{
public:
virtual void renderPolygon( const QPolygonF& points, QList<QPolygonF>* rings, QgsSymbolV2RenderContext& context ) = 0;
void drawPreviewIcon( QgsSymbolV2RenderContext& context, QSize size );
void setAngle( double angle ) { mAngle = angle; }
double angle() const { return mAngle; }
protected:
QgsFillSymbolLayerV2( bool locked = false );
/**Default method to render polygon*/
void _renderPolygon( QPainter* p, const QPolygonF& points, const QList<QPolygonF>* rings );
double mAngle;
};
class QgsSymbolLayerV2Widget;
#endif
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