blob: 6e8a2062228ba7cf3079e79348bdd3c8d0670e2f (
plain)
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
|
// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef SEEN_CANVAS_ITEM_DRAWING_H
#define SEEN_CANVAS_ITEM_DRAWING_H
/**
* A class to render the SVG drawing.
*/
/*
* Author:
* Tavmjong Bah
*
* Copyright (C) 2020 Tavmjong Bah
*
* Rewrite of _SPCanvasArena.
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include <sigc++/sigc++.h>
#include "canvas-item.h"
#include "display/drawing-item.h" // Only for ctx... which should be remove (it's the same as _affine!).
namespace Inkscape {
class CachePref2Observer;
class Drawing;
class DrawingItem;
class Updatecontext;
class CanvasItemGroup; // A canvas control that contains other canvas controls.
class CanvasItemDrawing : public CanvasItem {
public:
CanvasItemDrawing(CanvasItemGroup *group);
~CanvasItemDrawing() override;
// Geometry
UpdateContext get_context() { return _ctx; } // TODO Remove this as ctx only contains affine.
void update(Geom::Affine const &affine) override;
double closest_distance_to(Geom::Point const &p);
// Selection
bool contains(Geom::Point const &p, double tolerance = 0) override;
// Display
void render(Inkscape::CanvasItemBuffer *buf) override;
Inkscape::Drawing * get_drawing() { return _drawing; }
// Drawing items
void set_active(Inkscape::DrawingItem *active) { _active_item = active; }
Inkscape::DrawingItem *get_active() { return _active_item; }
// Events
bool handle_event(GdkEvent* event) override;
void set_sticky(bool sticky) { _sticky = sticky; }
// Signals
sigc::connection connect_drawing_event(sigc::slot<bool, GdkEvent*, Inkscape::DrawingItem *> slot) {
return _drawing_event_signal.connect(slot);
}
protected:
// Geometry
// Selection
Geom::Point _c;
double _delta = Geom::infinity();
Inkscape::DrawingItem *_active_item = nullptr;
Inkscape::DrawingItem *_picked_item = nullptr;
// Display
Inkscape::Drawing *_drawing;
Inkscape::UpdateContext _ctx; // TODO Remove this... it's the same as _affine!
// Events
bool _cursor = false;
bool _sticky = false; // Pick anything, even if hidden.
// Properties
CachePref2Observer *_observer = nullptr;
// Signals
sigc::signal<bool, GdkEvent*, Inkscape::DrawingItem *> _drawing_event_signal;
};
} // namespace Inkscape
#endif // SEEN_CANVAS_ITEM_DRAWING_H
/*
Local Variables:
mode:c++
c-file-style:"stroustrup"
c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
indent-tabs-mode:nil
fill-column:99
End:
*/
// vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :
|
