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
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
|
#include "common-context.h"
#include <gtk/gtk.h>
#include "config.h"
#include "forward.h"
#include "message-context.h"
#include "streq.h"
#include "preferences.h"
#define MIN_PRESSURE 0.0
#define MAX_PRESSURE 1.0
#define DEFAULT_PRESSURE 1.0
#define DRAG_MIN 0.0
#define DRAG_DEFAULT 1.0
#define DRAG_MAX 1.0
static void sp_common_context_class_init(SPCommonContextClass *klass);
static void sp_common_context_init(SPCommonContext *erc);
static void sp_common_context_dispose(GObject *object);
static void sp_common_context_setup(SPEventContext *ec);
static void sp_common_context_set(SPEventContext *ec, Inkscape::Preferences::Entry *val);
static gint sp_common_context_root_handler(SPEventContext *event_context, GdkEvent *event);
static SPEventContextClass *common_parent_class = 0;
GType sp_common_context_get_type(void)
{
static GType type = 0;
if (!type) {
GTypeInfo info = {
sizeof(SPCommonContextClass),
0, // base_init
0, // base_finalize
(GClassInitFunc)sp_common_context_class_init,
0, // class_finalize
0, // class_data
sizeof(SPCommonContext),
0, // n_preallocs
(GInstanceInitFunc)sp_common_context_init,
0 // value_table
};
type = g_type_register_static(SP_TYPE_EVENT_CONTEXT, "SPCommonContext", &info, static_cast<GTypeFlags>(0));
}
return type;
}
static void sp_common_context_class_init(SPCommonContextClass *klass)
{
GObjectClass *object_class = (GObjectClass *) klass;
SPEventContextClass *event_context_class = (SPEventContextClass *) klass;
common_parent_class = (SPEventContextClass*)g_type_class_peek_parent(klass);
object_class->dispose = sp_common_context_dispose;
event_context_class->setup = sp_common_context_setup;
event_context_class->set = sp_common_context_set;
event_context_class->root_handler = sp_common_context_root_handler;
}
static void sp_common_context_init(SPCommonContext *ctx)
{
// ctx->cursor_shape = cursor_eraser_xpm;
// ctx->hot_x = 4;
// ctx->hot_y = 4;
ctx->accumulated = 0;
ctx->segments = 0;
ctx->currentcurve = 0;
ctx->currentshape = 0;
ctx->npoints = 0;
ctx->cal1 = 0;
ctx->cal2 = 0;
ctx->repr = 0;
/* Common values */
ctx->cur = Geom::Point(0,0);
ctx->last = Geom::Point(0,0);
ctx->vel = Geom::Point(0,0);
ctx->vel_max = 0;
ctx->acc = Geom::Point(0,0);
ctx->ang = Geom::Point(0,0);
ctx->del = Geom::Point(0,0);
/* attributes */
ctx->dragging = FALSE;
ctx->mass = 0.3;
ctx->drag = DRAG_DEFAULT;
ctx->angle = 30.0;
ctx->width = 0.2;
ctx->pressure = DEFAULT_PRESSURE;
ctx->vel_thin = 0.1;
ctx->flatness = 0.9;
ctx->cap_rounding = 0.0;
ctx->abs_width = false;
}
static void sp_common_context_dispose(GObject *object)
{
SPCommonContext *ctx = SP_COMMON_CONTEXT(object);
if (ctx->accumulated) {
ctx->accumulated = ctx->accumulated->unref();
ctx->accumulated = 0;
}
while (ctx->segments) {
gtk_object_destroy(GTK_OBJECT(ctx->segments->data));
ctx->segments = g_slist_remove(ctx->segments, ctx->segments->data);
}
if (ctx->currentcurve) {
ctx->currentcurve = ctx->currentcurve->unref();
ctx->currentcurve = 0;
}
if (ctx->cal1) {
ctx->cal1 = ctx->cal1->unref();
ctx->cal1 = 0;
}
if (ctx->cal2) {
ctx->cal2 = ctx->cal2->unref();
ctx->cal2 = 0;
}
if (ctx->currentshape) {
gtk_object_destroy(GTK_OBJECT(ctx->currentshape));
ctx->currentshape = 0;
}
if (ctx->_message_context) {
delete ctx->_message_context;
ctx->_message_context = 0;
}
G_OBJECT_CLASS(common_parent_class)->dispose(object);
}
static void sp_common_context_setup(SPEventContext *ec)
{
if ( common_parent_class->setup ) {
common_parent_class->setup(ec);
}
}
static void sp_common_context_set(SPEventContext *ec, Inkscape::Preferences::Entry *value)
{
SPCommonContext *ctx = SP_COMMON_CONTEXT(ec);
Glib::ustring path = value->getEntryName();
// ignore preset modifications
static Glib::ustring const presets_path = ec->pref_observer->observed_path + "/preset";
Glib::ustring const &full_path = value->getPath();
if (full_path.compare(0, presets_path.size(), presets_path) == 0) return;
if (path == "mass") {
ctx->mass = CLAMP(value->getDouble(0.2), -1000.0, 1000.0);
} else if (path == "wiggle") {
ctx->drag = CLAMP((1 - value->getDouble(1 - DRAG_DEFAULT)), DRAG_MIN, DRAG_MAX); // drag is inverse to wiggle
} else if (path == "angle") {
ctx->angle = CLAMP(value->getDouble(), -90, 90);
} else if (path == "width") {
ctx->width = CLAMP(value->getDouble(0.1), -1000.0, 1000.0);
} else if (path == "thinning") {
ctx->vel_thin = CLAMP(value->getDouble(0.1), -1.0, 1.0);
} else if (path == "tremor") {
ctx->tremor = CLAMP(value->getDouble(), 0.0, 1.0);
} else if (path == "flatness") {
ctx->flatness = CLAMP(value->getDouble(1.0), 0, 1.0);
} else if (path == "usepressure") {
ctx->usepressure = value->getBool();
} else if (path == "usetilt") {
ctx->usetilt = value->getBool();
} else if (path == "abs_width") {
ctx->abs_width = value->getBool();
} else if (path == "cap_rounding") {
ctx->cap_rounding = value->getDouble();
}
}
static gint sp_common_context_root_handler(SPEventContext *event_context, GdkEvent *event)
{
gint ret = FALSE;
// TODO add common hanlding
if ( !ret ) {
if ( common_parent_class->root_handler ) {
ret = common_parent_class->root_handler(event_context, event);
}
}
return ret;
}
/*
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:encoding=utf-8:textwidth=99 :
|
