1 /*
2 * Copyright 2012, 2013 Thomas Schöps
3 * Copyright 2012-2017 Kai Pastor
4 *
5 * This file is part of OpenOrienteering.
6 *
7 * OpenOrienteering is free software: you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation, either version 3 of the License, or
10 * (at your option) any later version.
11 *
12 * OpenOrienteering is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with OpenOrienteering. If not, see <http://www.gnu.org/licenses/>.
19 */
20
21
22 #ifndef OPENORIENTEERING_RENDERABLE_IMPLENTATION_H
23 #define OPENORIENTEERING_RENDERABLE_IMPLENTATION_H
24
25 #include <Qt>
26 #include <QtGlobal>
27 #include <QPainterPath>
28 #include <QPointF>
29 #include <QRectF>
30
31 #include "renderable.h"
32
33 class QPainter;
34 class QPointF;
35
36 namespace OpenOrienteering {
37
38 class AreaSymbol;
39 class LineSymbol;
40 class MapColor;
41 class MapCoordF;
42 class PathPartVector;
43 class PointSymbol;
44 class TextObject;
45 class TextSymbol;
46 class VirtualPath;
47
48
49 /** Renderable for displaying a filled dot. */
50 class DotRenderable : public Renderable
51 {
52 public:
53 DotRenderable(const PointSymbol* symbol, MapCoordF coord);
54 void render(QPainter& painter, const RenderConfig& config) const override;
55 PainterConfig getPainterConfig(const QPainterPath* clip_path = nullptr) const override;
56 };
57
58 /** Renderable for displaying a circle. */
59 class CircleRenderable : public Renderable
60 {
61 public:
62 CircleRenderable(const PointSymbol* symbol, MapCoordF coord);
63 void render(QPainter& painter, const RenderConfig& config) const override;
64 PainterConfig getPainterConfig(const QPainterPath* clip_path = nullptr) const override;
65
66 protected:
67 const qreal line_width;
68 QRectF rect;
69 };
70
71 /** Renderable for displaying a line. */
72 class LineRenderable : public Renderable
73 {
74 public:
75 LineRenderable(const LineSymbol* symbol, const VirtualPath& virtual_path, bool closed);
76 LineRenderable(const LineSymbol* symbol, QPointF first, QPointF second);
77 void render(QPainter& painter, const RenderConfig& config) const override;
78 PainterConfig getPainterConfig(const QPainterPath* clip_path = nullptr) const override;
79
80 protected:
81 void extentIncludeCap(quint32 i, qreal half_line_width, bool end_cap, const LineSymbol* symbol, const VirtualPath& path);
82
83 void extentIncludeJoin(quint32 i, qreal half_line_width, const LineSymbol* symbol, const VirtualPath& path);
84
85 const qreal line_width;
86 QPainterPath path;
87 Qt::PenCapStyle cap_style;
88 Qt::PenJoinStyle join_style;
89 };
90
91 /** Renderable for displaying an area. */
92 class AreaRenderable : public Renderable
93 {
94 public:
95 AreaRenderable(const AreaSymbol* symbol, const PathPartVector& path_parts);
96 AreaRenderable(const AreaSymbol* symbol, const VirtualPath& path);
97 void render(QPainter& painter, const RenderConfig& config) const override;
98 PainterConfig getPainterConfig(const QPainterPath* clip_path = nullptr) const override;
99
100 inline const QPainterPath* painterPath() const;
101
102 protected:
103 void addSubpath(const VirtualPath& virtual_path);
104
105 QPainterPath path;
106 };
107
108 /** Renderable for displaying text. */
109 class TextRenderable : public Renderable
110 {
111 public:
112 TextRenderable(const TextSymbol* symbol, const TextObject* text_object, const MapColor* color, double anchor_x, double anchor_y);
113 PainterConfig getPainterConfig(const QPainterPath* clip_path = nullptr) const override;
114 void render(QPainter& painter, const RenderConfig& config) const override;
115
116 protected:
117 void renderCommon(QPainter& painter, const RenderConfig& config) const;
118
119 QPainterPath path;
120 qreal anchor_x;
121 qreal anchor_y;
122 qreal rotation;
123 qreal scale_factor;
124 };
125
126 /** Renderable for displaying framing line for text. */
127 class TextFramingRenderable : public TextRenderable
128 {
129 public:
130 TextFramingRenderable(const TextSymbol* symbol, const TextObject* text_object, const MapColor* color, double anchor_x, double anchor_y);
131 PainterConfig getPainterConfig(const QPainterPath* clip_path = nullptr) const override;
132 void render(QPainter& painter, const RenderConfig& config) const override;
133
134 protected:
135 qreal framing_line_width;
136 };
137
138
139
140 // ### AreaRenderable inline code ###
141
painterPath()142 const QPainterPath* AreaRenderable::painterPath() const
143 {
144 return &path;
145 }
146
147
148 } // namespace OpenOrienteering
149
150 #endif
151