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
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
|
// SPDX-License-Identifier: GPL-2.0-or-later
#ifndef SEEN_SP_DRAW_CONTEXT_H
#define SEEN_SP_DRAW_CONTEXT_H
/*
* Generic drawing context
*
* Author:
* Lauris Kaplinski <lauris@kaplinski.com>
*
* Copyright (C) 2000 Lauris Kaplinski
* Copyright (C) 2000-2001 Ximian, Inc.
* Copyright (C) 2002 Lauris Kaplinski
*
* Released under GNU GPL v2+, read the file 'COPYING' for more information.
*/
#include <sigc++/connection.h>
#include "ui/tools/tool-base.h"
#include "live_effects/effect-enum.h"
struct SPCanvasItem;
class SPCurve;
struct SPDrawAnchor;
namespace Inkscape {
class Selection;
}
namespace boost {
template<class T>
class optional;
}
/* Freehand context */
#define SP_DRAW_CONTEXT(obj) (dynamic_cast<Inkscape::UI::Tools::FreehandBase*>((Inkscape::UI::Tools::ToolBase*)obj))
#define SP_IS_DRAW_CONTEXT(obj) (dynamic_cast<const Inkscape::UI::Tools::FreehandBase*>((const Inkscape::UI::Tools::ToolBase*)obj) != NULL)
namespace Inkscape {
namespace UI {
namespace Tools {
class FreehandBase : public ToolBase {
public:
FreehandBase(gchar const *const *cursor_shape);
~FreehandBase() override;
Inkscape::Selection *selection;
SPCanvasItem *grab;
bool attach;
guint32 red_color;
guint32 blue_color;
guint32 green_color;
guint32 highlight_color;
// Red
SPCanvasItem *red_bpath;
SPCurve *red_curve;
// Blue
SPCanvasItem *blue_bpath;
SPCurve *blue_curve;
// Green
std::vector<SPCanvasItem*> green_bpaths;
SPCurve *green_curve;
SPDrawAnchor *green_anchor;
gboolean green_closed; // a flag meaning we hit the green anchor, so close the path on itself
// White
SPItem *white_item;
std::list<SPCurve *> white_curves;
std::vector<SPDrawAnchor*> white_anchors;
// Temporary modified curve when start anchor
SPCurve *sa_overwrited;
// Start anchor
SPDrawAnchor *sa;
// End anchor
SPDrawAnchor *ea;
/* type of the LPE that is to be applied automatically to a finished path (if any) */
Inkscape::LivePathEffect::EffectType waiting_LPE_type;
sigc::connection sel_changed_connection;
sigc::connection sel_modified_connection;
bool red_curve_is_valid;
bool anchor_statusbar;
bool tablet_enabled;
bool is_tablet;
gdouble pressure;
void set(const Inkscape::Preferences::Entry& val) override;
protected:
void setup() override;
void finish() override;
bool root_handler(GdkEvent* event) override;
};
/**
* Returns FIRST active anchor (the activated one).
*/
SPDrawAnchor *spdc_test_inside(FreehandBase *dc, Geom::Point p);
/**
* Concats red, blue and green.
* If any anchors are defined, process these, optionally removing curves from white list
* Invoke _flush_white to write result back to object.
*/
void spdc_concat_colors_and_flush(FreehandBase *dc, gboolean forceclosed);
/**
* Snaps node or handle to PI/rotationsnapsperpi degree increments.
*
* @param dc draw context.
* @param p cursor point (to be changed by snapping).
* @param o origin point.
* @param state keyboard state to check if ctrl or shift was pressed.
*/
void spdc_endpoint_snap_rotation(ToolBase const *const ec, Geom::Point &p, Geom::Point const &o, guint state);
void spdc_endpoint_snap_free(ToolBase const *ec, Geom::Point &p, boost::optional<Geom::Point> &start_of_line, guint state);
/**
* If we have an item and a waiting LPE, apply the effect to the item
* (spiro spline mode is treated separately).
*/
void spdc_check_for_and_apply_waiting_LPE(FreehandBase *dc, SPItem *item);
/**
* Create a single dot represented by a circle.
*/
void spdc_create_single_dot(ToolBase *ec, Geom::Point const &pt, char const *tool, guint event_state);
}
}
}
#endif // SEEN_SP_DRAW_CONTEXT_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:fileencoding=utf-8:textwidth=99 :
|
