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
219
220
221
222
223
224
225
|
#include <m_pd.h>
#include "g_canvas.h"
#ifdef _MSC_VER
#pragma warning( disable : 4244 )
#pragma warning( disable : 4305 )
#endif
/* ------------------------ image ----------------------------- */
static t_class *image_class;
typedef struct _image
{
t_object x_obj;
t_glist * x_glist;
int x_width;
int x_height;
t_symbol* x_fname;
} t_image;
/* widget helper functions */
void image_drawme(t_image *x, t_glist *glist, int firsttime)
{
if (firsttime) {
char fname[MAXPDSTRING];
canvas_makefilename(glist_getcanvas(x->x_glist), x->x_fname->s_name,
fname, MAXPDSTRING);
sys_vgui("image create photo img%x -file {%s}\n",x,fname);
sys_vgui(".x%x.c create image %d %d -image img%x -tags %xS\n",
glist_getcanvas(glist),text_xpix(&x->x_obj, glist),
text_ypix(&x->x_obj, glist),x,x);
/* TODO callback from gui
sys_vgui("image_size logo");
*/
}
else {
sys_vgui(".x%x.c coords %xS %d %d\n",
glist_getcanvas(glist), x,
text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist));
}
}
void image_erase(t_image* x,t_glist* glist)
{
int n;
sys_vgui(".x%x.c delete %xS\n",
glist_getcanvas(glist), x);
}
/* ------------------------ image widgetbehaviour----------------------------- */
static void image_getrect(t_gobj *z, t_glist *glist,
int *xp1, int *yp1, int *xp2, int *yp2)
{
int width, height;
t_image* x = (t_image*)z;
width = x->x_width;
height = x->x_height;
*xp1 = text_xpix(&x->x_obj, glist);
*yp1 = text_ypix(&x->x_obj, glist);
*xp2 = text_xpix(&x->x_obj, glist) + width;
*yp2 = text_ypix(&x->x_obj, glist) + height;
}
static void image_displace(t_gobj *z, t_glist *glist,
int dx, int dy)
{
t_image *x = (t_image *)z;
x->x_obj.te_xpix += dx;
x->x_obj.te_ypix += dy;
sys_vgui(".x%x.c coords %xSEL %d %d %d %d\n",
glist_getcanvas(glist), x,
text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist),
text_xpix(&x->x_obj, glist) + x->x_width, text_ypix(&x->x_obj, glist) + x->x_height);
image_drawme(x, glist, 0);
canvas_fixlinesfor(glist_getcanvas(glist),(t_text*) x);
}
static void image_select(t_gobj *z, t_glist *glist, int state)
{
t_image *x = (t_image *)z;
if (state) {
sys_vgui(".x%x.c create rectangle \
%d %d %d %d -tags %xSEL -outline blue\n",
glist_getcanvas(glist),
text_xpix(&x->x_obj, glist), text_ypix(&x->x_obj, glist),
text_xpix(&x->x_obj, glist) + x->x_width, text_ypix(&x->x_obj, glist) + x->x_height,
x);
}
else {
sys_vgui(".x%x.c delete %xSEL\n",
glist_getcanvas(glist), x);
}
}
static void image_activate(t_gobj *z, t_glist *glist, int state)
{
/* t_text *x = (t_text *)z;
t_rtext *y = glist_findrtext(glist, x);
if (z->g_pd != gatom_class) rtext_activate(y, state);*/
}
static void image_delete(t_gobj *z, t_glist *glist)
{
t_text *x = (t_text *)z;
canvas_deletelinesfor(glist_getcanvas(glist), x);
}
static void image_vis(t_gobj *z, t_glist *glist, int vis)
{
t_image* s = (t_image*)z;
if (vis)
image_drawme(s, glist, 1);
else
image_erase(s,glist);
}
/* can we use the normal text save function ?? */
static void image_save(t_gobj *z, t_binbuf *b)
{
t_image *x = (t_image *)z;
binbuf_addv(b, "ssiiss", gensym("#X"), gensym("obj"),
x->x_obj.te_xpix, x->x_obj.te_ypix,
atom_getsymbol(binbuf_getvec(x->x_obj.te_binbuf)),
x->x_fname);
binbuf_addv(b, ";");
}
t_widgetbehavior image_widgetbehavior;
void image_size(t_image* x,t_floatarg w,t_floatarg h) {
x->x_width = w;
x->x_height = h;
}
void image_color(t_image* x,t_symbol* col)
{
/* outlet_bang(x->x_obj.ob_outlet); only bang if there was a bang ..
so color black does the same as bang, but doesn't forward the bang
*/
}
void image_open(t_image* x, t_symbol* fname)
{
x->x_fname = fname;
image_erase(x, x->x_glist);
image_drawme(x, x->x_glist, 1);
}
static void image_setwidget(void)
{
image_widgetbehavior.w_getrectfn = image_getrect;
image_widgetbehavior.w_displacefn = image_displace;
image_widgetbehavior.w_selectfn = image_select;
image_widgetbehavior.w_activatefn = image_activate;
image_widgetbehavior.w_deletefn = image_delete;
image_widgetbehavior.w_visfn = image_vis;
#if (PD_VERSION_MINOR > 31)
image_widgetbehavior.w_clickfn = NULL;
image_widgetbehavior.w_propertiesfn = NULL;
#endif
#if PD_MINOR_VERSION < 37
image_widgetbehavior.w_savefn = image_save;
#endif
}
static void *image_new(t_symbol* fname)
{
t_image *x = (t_image *)pd_new(image_class);
x->x_glist = (t_glist*) canvas_getcurrent();
x->x_width = 15;
x->x_height = 15;
x->x_fname = fname;
outlet_new(&x->x_obj, &s_float);
return (x);
}
void image_setup(void)
{
image_class = class_new(gensym("image"), (t_newmethod)image_new, 0,
sizeof(t_image),0, A_DEFSYM,0);
class_addmethod(image_class, (t_method)image_size, gensym("size"),
A_FLOAT, A_FLOAT, 0);
/*
class_addmethod(image_class, (t_method)image_color, gensym("color"),
A_SYMBOL, 0);
*/
class_addmethod(image_class, (t_method)image_open, gensym("open"),
A_SYMBOL, 0);
image_setwidget();
class_setwidget(image_class,&image_widgetbehavior);
#if PD_MINOR_VERSION >= 37
class_setsavefn(image_class,&image_save);
#endif
}
|
