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qgssinglebandpseudocolorrenderer.h
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1 /***************************************************************************
2  qgssinglebandpseudocolorrenderer.h
3  ----------------------------------
4  begin : January 2012
5  copyright : (C) 2012 by Marco Hugentobler
6  email : marco at sourcepole dot ch
7  ***************************************************************************/
8 
9 /***************************************************************************
10  * *
11  * This program is free software; you can redistribute it and/or modify *
12  * it under the terms of the GNU General Public License as published by *
13  * the Free Software Foundation; either version 2 of the License, or *
14  * (at your option) any later version. *
15  * *
16  ***************************************************************************/
17 
18 #ifndef QGSSINGLEBANDPSEUDOCOLORRENDERER_H
19 #define QGSSINGLEBANDPSEUDOCOLORRENDERER_H
20 
21 #include "qgsrasterrenderer.h"
22 
23 class QDomElement;
24 class QgsRasterShader;
25 
30 {
31  public:
35  QgsRasterInterface * clone() const override;
36 
37  static QgsRasterRenderer* create( const QDomElement& elem, QgsRasterInterface* input );
38 
39  QgsRasterBlock* block( int bandNo, const QgsRectangle & extent, int width, int height ) override;
40 
42  void setShader( QgsRasterShader* shader );
43  QgsRasterShader* shader() { return mShader; }
44  const QgsRasterShader* shader() const { return mShader; }
45 
46  void writeXML( QDomDocument& doc, QDomElement& parentElem ) const override;
47 
48  void legendSymbologyItems( QList< QPair< QString, QColor > >& symbolItems ) const override;
49 
50  QList<int> usesBands() const override;
51 
55  int band() const { return mBand; }
56 
57  double classificationMin() const { return mClassificationMin; }
58  double classificationMax() const { return mClassificationMax; }
59  void setClassificationMin( double min ) { mClassificationMin = min; }
60  void setClassificationMax( double max ) { mClassificationMax = max; }
61  int classificationMinMaxOrigin() const { return mClassificationMinMaxOrigin; }
62  void setClassificationMinMaxOrigin( int origin ) { mClassificationMinMaxOrigin = origin; }
63 
64  private:
65  QgsRasterShader* mShader;
66  int mBand;
67 
68  // Minimum and maximum values used for automatic classification, these
69  // values are not used by renderer in rendering process
70  double mClassificationMin;
71  double mClassificationMax;
72 
73  int mClassificationMinMaxOrigin;
74 };
75 
76 #endif // QGSSINGLEBANDPSEUDOCOLORRENDERER_H