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
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
#define INKSCAPE_LIVEPATHEFFECT_POWERSTROKE_POINT_ARRAY_CPP
/*
* Copyright (C) Johan Engelen 2007 <j.b.c.engelen@utwente.nl>
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#include "live_effects/parameter/powerstrokepointarray.h"
#include "live_effects/effect.h"
#include "svg/svg.h"
#include "svg/stringstream.h"
#include "knotholder.h"
#include "sp-lpe-item.h"
#include <2geom/piecewise.h>
#include <2geom/sbasis-geometric.h>
// needed for on-canvas editting:
#include "desktop.h"
namespace Inkscape {
namespace LivePathEffect {
PowerStrokePointArrayParam::PowerStrokePointArrayParam( const Glib::ustring& label, const Glib::ustring& tip,
const Glib::ustring& key, Inkscape::UI::Widget::Registry* wr,
Effect* effect, const gchar *htip)
: ArrayParam<Geom::Point>(label, tip, key, wr, effect, 0)
{
knot_shape = SP_KNOT_SHAPE_DIAMOND;
knot_mode = SP_KNOT_MODE_XOR;
knot_color = 0xff00ff00;
handle_tip = g_strdup(htip);
}
PowerStrokePointArrayParam::~PowerStrokePointArrayParam()
{
if (handle_tip)
g_free(handle_tip);
}
Gtk::Widget *
PowerStrokePointArrayParam::param_newWidget(Gtk::Tooltips * /*tooltips*/)
{
return NULL;
/*
Inkscape::UI::Widget::RegisteredTransformedPoint * pointwdg = Gtk::manage(
new Inkscape::UI::Widget::RegisteredTransformedPoint( param_label,
param_tooltip,
param_key,
*param_wr,
param_effect->getRepr(),
param_effect->getSPDoc() ) );
// TODO: fix to get correct desktop (don't use SP_ACTIVE_DESKTOP)
SPDesktop *desktop = SP_ACTIVE_DESKTOP;
Geom::Affine transf = desktop->doc2dt();
pointwdg->setTransform(transf);
pointwdg->setValue( *this );
pointwdg->clearProgrammatically();
pointwdg->set_undo_parameters(SP_VERB_DIALOG_LIVE_PATH_EFFECT, _("Change point parameter"));
Gtk::HBox * hbox = Gtk::manage( new Gtk::HBox() );
static_cast<Gtk::HBox*>(hbox)->pack_start(*pointwdg, true, true);
static_cast<Gtk::HBox*>(hbox)->show_all_children();
return dynamic_cast<Gtk::Widget *> (hbox);
*/
}
void PowerStrokePointArrayParam::param_transform_multiply(Geom::Affine const& /*postmul*/, bool /*set*/)
{
// param_set_and_write_new_value( (*this) * postmul );
}
void
PowerStrokePointArrayParam::set_oncanvas_looks(SPKnotShapeType shape, SPKnotModeType mode, guint32 color)
{
knot_shape = shape;
knot_mode = mode;
knot_color = color;
}
class PowerStrokePointArrayParamKnotHolderEntity : public LPEKnotHolderEntity {
public:
PowerStrokePointArrayParamKnotHolderEntity(PowerStrokePointArrayParam *p, unsigned int index);
virtual ~PowerStrokePointArrayParamKnotHolderEntity() {}
virtual void knot_set(Geom::Point const &p, Geom::Point const &origin, guint state);
virtual Geom::Point knot_get();
virtual void knot_click(guint state);
/** Checks whether the index falls within the size of the parameter's vector */
bool valid_index(unsigned int index) {
return (_pparam->_vector.size() > index);
};
private:
PowerStrokePointArrayParam *_pparam;
unsigned int _index;
};
PowerStrokePointArrayParamKnotHolderEntity::PowerStrokePointArrayParamKnotHolderEntity(PowerStrokePointArrayParam *p, unsigned int index)
: _pparam(p),
_index(index)
{
}
void
PowerStrokePointArrayParamKnotHolderEntity::knot_set(Geom::Point const &p, Geom::Point const &/*origin*/, guint /*state*/)
{
using namespace Geom;
if (!valid_index(_index)) {
return;
}
/// @todo how about item transforms???
Piecewise<D2<SBasis> > const & pwd2 = _pparam->get_pwd2();
Piecewise<D2<SBasis> > const & n = _pparam->get_pwd2_normal();
Geom::Point const s = snap_knot_position(p);
double t = nearest_point(s, pwd2);
double offset = dot(s - pwd2.valueAt(t), n.valueAt(t));
_pparam->_vector.at(_index) = Geom::Point(t, offset);
sp_lpe_item_update_patheffect(SP_LPE_ITEM(item), false, false);
}
Geom::Point
PowerStrokePointArrayParamKnotHolderEntity::knot_get()
{
using namespace Geom;
if (!valid_index(_index)) {
return Geom::Point(infinity(), infinity());
}
Piecewise<D2<SBasis> > const & pwd2 = _pparam->get_pwd2();
Piecewise<D2<SBasis> > const & n = _pparam->get_pwd2_normal();
Point offset_point = _pparam->_vector.at(_index);
Point canvas_point = pwd2.valueAt(offset_point[X]) + offset_point[Y] * n.valueAt(offset_point[X]);
return canvas_point;
}
void
PowerStrokePointArrayParamKnotHolderEntity::knot_click(guint state)
{
//g_print ("This is the %d handle associated to parameter '%s'\n", _index, _pparam->param_key.c_str());
if (state & GDK_CONTROL_MASK) {
if (state & GDK_MOD1_MASK) {
// delete the clicked knot
std::vector<Geom::Point> & vec = _pparam->_vector;
vec.erase(vec.begin() + _index);
_pparam->param_set_and_write_new_value(vec);
} else {
// add a knot
std::vector<Geom::Point> & vec = _pparam->_vector;
vec.insert(vec.begin() + _index, 1, vec.at(_index));
_pparam->param_set_and_write_new_value(vec);
}
}
}
void
PowerStrokePointArrayParam::addKnotHolderEntities(KnotHolder *knotholder, SPDesktop *desktop, SPItem *item)
{
for (unsigned int i = 0; i < _vector.size(); ++i) {
PowerStrokePointArrayParamKnotHolderEntity *e = new PowerStrokePointArrayParamKnotHolderEntity(this, i);
e->create(desktop, item, knotholder, handle_tip, knot_shape, knot_mode, knot_color);
knotholder->add(e);
}
}
} /* namespace LivePathEffect */
} /* namespace Inkscape */
/*
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 :
|
