QGIS API Documentation 3.28.0-Firenze (ed3ad0430f)
qgspainting.cpp
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1/***************************************************************************
2 qgspainting.cpp
3 ---------------------
4 begin : July 2016
5 copyright : (C) 2016 by Martin Dobias
6 email : wonder dot sk at gmail dot com
7 ***************************************************************************
8 * *
9 * This program is free software; you can redistribute it and/or modify *
10 * it under the terms of the GNU General Public License as published by *
11 * the Free Software Foundation; either version 2 of the License, or *
12 * (at your option) any later version. *
13 * *
14 ***************************************************************************/
15
16#include "qgspainting.h"
17
18#include "qgslogger.h"
19
20QPainter::CompositionMode QgsPainting::getCompositionMode( QgsPainting::BlendMode blendMode )
21{
22 // Map QgsPainting::BlendNormal to QPainter::CompositionMode
23 switch ( blendMode )
24 {
25 case QgsPainting::BlendNormal:
26 return QPainter::CompositionMode_SourceOver;
27 case QgsPainting::BlendLighten:
28 return QPainter::CompositionMode_Lighten;
29 case QgsPainting::BlendScreen:
30 return QPainter::CompositionMode_Screen;
31 case QgsPainting::BlendDodge:
32 return QPainter::CompositionMode_ColorDodge;
33 case QgsPainting::BlendAddition:
34 return QPainter::CompositionMode_Plus;
35 case QgsPainting::BlendDarken:
36 return QPainter::CompositionMode_Darken;
37 case QgsPainting::BlendMultiply:
38 return QPainter::CompositionMode_Multiply;
39 case QgsPainting::BlendBurn:
40 return QPainter::CompositionMode_ColorBurn;
41 case QgsPainting::BlendOverlay:
42 return QPainter::CompositionMode_Overlay;
43 case QgsPainting::BlendSoftLight:
44 return QPainter::CompositionMode_SoftLight;
45 case QgsPainting::BlendHardLight:
46 return QPainter::CompositionMode_HardLight;
47 case QgsPainting::BlendDifference:
48 return QPainter::CompositionMode_Difference;
49 case QgsPainting::BlendSubtract:
50 return QPainter::CompositionMode_Exclusion;
51 case QgsPainting::BlendSource:
52 return QPainter::CompositionMode_Source;
53 case QgsPainting::BlendDestinationOver:
54 return QPainter::CompositionMode_DestinationOver;
55 case QgsPainting::BlendClear:
56 return QPainter::CompositionMode_Clear;
57 case QgsPainting::BlendDestination:
58 return QPainter::CompositionMode_Destination;
59 case QgsPainting::BlendSourceIn:
60 return QPainter::CompositionMode_SourceIn;
61 case QgsPainting::BlendDestinationIn:
62 return QPainter::CompositionMode_DestinationIn;
63 case QgsPainting::BlendSourceOut:
64 return QPainter::CompositionMode_SourceOut;
65 case QgsPainting::BlendDestinationOut:
66 return QPainter::CompositionMode_DestinationOut;
67 case QgsPainting::BlendSourceAtop:
68 return QPainter::CompositionMode_SourceAtop;
69 case QgsPainting::BlendDestinationAtop:
70 return QPainter::CompositionMode_DestinationAtop;
71 case QgsPainting::BlendXor:
72 return QPainter::CompositionMode_Xor;
73 default:
74 QgsDebugMsg( QStringLiteral( "Blend mode %1 mapped to SourceOver" ).arg( blendMode ) );
75 return QPainter::CompositionMode_SourceOver;
76 }
77}
78
79
80QgsPainting::BlendMode QgsPainting::getBlendModeEnum( QPainter::CompositionMode blendMode )
81{
82 // Map QPainter::CompositionMode to QgsPainting::BlendNormal
83 switch ( blendMode )
84 {
85 case QPainter::CompositionMode_SourceOver:
86 return QgsPainting::BlendNormal;
87 case QPainter::CompositionMode_Lighten:
88 return QgsPainting::BlendLighten;
89 case QPainter::CompositionMode_Screen:
90 return QgsPainting::BlendScreen;
91 case QPainter::CompositionMode_ColorDodge:
92 return QgsPainting::BlendDodge;
93 case QPainter::CompositionMode_Plus:
94 return QgsPainting::BlendAddition;
95 case QPainter::CompositionMode_Darken:
96 return QgsPainting::BlendDarken;
97 case QPainter::CompositionMode_Multiply:
98 return QgsPainting::BlendMultiply;
99 case QPainter::CompositionMode_ColorBurn:
100 return QgsPainting::BlendBurn;
101 case QPainter::CompositionMode_Overlay:
102 return QgsPainting::BlendOverlay;
103 case QPainter::CompositionMode_SoftLight:
104 return QgsPainting::BlendSoftLight;
105 case QPainter::CompositionMode_HardLight:
106 return QgsPainting::BlendHardLight;
107 case QPainter::CompositionMode_Difference:
108 return QgsPainting::BlendDifference;
109 case QPainter::CompositionMode_Exclusion:
110 return QgsPainting::BlendSubtract;
111 case QPainter::CompositionMode_Source:
112 return QgsPainting::BlendSource;
113 case QPainter::CompositionMode_DestinationOver:
114 return QgsPainting::BlendDestinationOver;
115 case QPainter::CompositionMode_Clear:
116 return QgsPainting::BlendClear;
117 case QPainter::CompositionMode_Destination:
118 return QgsPainting::BlendDestination;
119 case QPainter::CompositionMode_SourceIn:
120 return QgsPainting::BlendSourceIn;
121 case QPainter::CompositionMode_DestinationIn:
122 return QgsPainting::BlendDestinationIn;
123 case QPainter::CompositionMode_SourceOut:
124 return QgsPainting::BlendSourceOut;
125 case QPainter::CompositionMode_DestinationOut:
126 return QgsPainting::BlendDestinationOut;
127 case QPainter::CompositionMode_SourceAtop:
128 return QgsPainting::BlendSourceAtop;
129 case QPainter::CompositionMode_DestinationAtop:
130 return QgsPainting::BlendDestinationAtop;
131 case QPainter::CompositionMode_Xor:
132 return QgsPainting::BlendXor;
133 default:
134 QgsDebugMsg( QStringLiteral( "Composition mode %1 mapped to Normal" ).arg( blendMode ) );
135 return QgsPainting::BlendNormal;
136 }
137}
QgsPainting::getBlendModeEnum
static QgsPainting::BlendMode getBlendModeEnum(QPainter::CompositionMode blendMode)
Returns a BlendMode corresponding to a QPainter::CompositionMode.
Definition: qgspainting.cpp:80
QgsPainting::getCompositionMode
static QPainter::CompositionMode getCompositionMode(QgsPainting::BlendMode blendMode)
Returns a QPainter::CompositionMode corresponding to a BlendMode.
Definition: qgspainting.cpp:20
QgsPainting::BlendMode
BlendMode
Blending modes enum defining the available composition modes that can be used when rendering a layer.
Definition: qgspainting.h:37
QgsPainting::BlendDestinationIn
@ BlendDestinationIn
Definition: qgspainting.h:56
QgsPainting::BlendDestinationOut
@ BlendDestinationOut
Definition: qgspainting.h:58
QgsPainting::BlendDestinationOver
@ BlendDestinationOver
Definition: qgspainting.h:52
QgsPainting::BlendDestinationAtop
@ BlendDestinationAtop
Definition: qgspainting.h:60
QgsPainting::BlendDestination
@ BlendDestination
Definition: qgspainting.h:54
QgsDebugMsg
#define QgsDebugMsg(str)
Definition: qgslogger.h:38
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