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
226
227
228
229
230
231
232
|
#define __SP_FECOLORMATRIX_CPP__
/** \file
* SVG <feColorMatrix> implementation.
*
*/
/*
* Authors:
* Felipe Sanches <felipe.sanches@gmail.com>
* hugo Rodrigues <haa.rodrigues@gmail.com>
*
* Copyright (C) 2007 Felipe C. da S. Sanches
* Copyright (C) 2006 Hugo Rodrigues
*
* Released under GNU GPL, read the file 'COPYING' for more information
*/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include "attributes.h"
#include "svg/svg.h"
#include "sp-fecolormatrix.h"
#include "xml/repr.h"
#include "helper-fns.h"
#include "display/nr-filter-colormatrix.h"
/* FeColorMatrix base class */
static void sp_feColorMatrix_class_init(SPFeColorMatrixClass *klass);
static void sp_feColorMatrix_init(SPFeColorMatrix *feColorMatrix);
static void sp_feColorMatrix_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr);
static void sp_feColorMatrix_release(SPObject *object);
static void sp_feColorMatrix_set(SPObject *object, unsigned int key, gchar const *value);
static void sp_feColorMatrix_update(SPObject *object, SPCtx *ctx, guint flags);
static Inkscape::XML::Node *sp_feColorMatrix_write(SPObject *object, Inkscape::XML::Node *repr, guint flags);
static void sp_feColorMatrix_build_renderer(SPFilterPrimitive *primitive, NR::Filter *filter);
static SPFilterPrimitiveClass *feColorMatrix_parent_class;
GType
sp_feColorMatrix_get_type()
{
static GType feColorMatrix_type = 0;
if (!feColorMatrix_type) {
GTypeInfo feColorMatrix_info = {
sizeof(SPFeColorMatrixClass),
NULL, NULL,
(GClassInitFunc) sp_feColorMatrix_class_init,
NULL, NULL,
sizeof(SPFeColorMatrix),
16,
(GInstanceInitFunc) sp_feColorMatrix_init,
NULL, /* value_table */
};
feColorMatrix_type = g_type_register_static(SP_TYPE_FILTER_PRIMITIVE, "SPFeColorMatrix", &feColorMatrix_info, (GTypeFlags)0);
}
return feColorMatrix_type;
}
static void
sp_feColorMatrix_class_init(SPFeColorMatrixClass *klass)
{
SPObjectClass *sp_object_class = (SPObjectClass *)klass;
SPFilterPrimitiveClass *sp_primitive_class = (SPFilterPrimitiveClass *)klass;
feColorMatrix_parent_class = (SPFilterPrimitiveClass*)g_type_class_peek_parent(klass);
sp_object_class->build = sp_feColorMatrix_build;
sp_object_class->release = sp_feColorMatrix_release;
sp_object_class->write = sp_feColorMatrix_write;
sp_object_class->set = sp_feColorMatrix_set;
sp_object_class->update = sp_feColorMatrix_update;
sp_primitive_class->build_renderer = sp_feColorMatrix_build_renderer;
}
static void
sp_feColorMatrix_init(SPFeColorMatrix *feColorMatrix)
{
}
/**
* Reads the Inkscape::XML::Node, and initializes SPFeColorMatrix variables. For this to get called,
* our name must be associated with a repr via "sp_object_type_register". Best done through
* sp-object-repr.cpp's repr_name_entries array.
*/
static void
sp_feColorMatrix_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr)
{
if (((SPObjectClass *) feColorMatrix_parent_class)->build) {
((SPObjectClass *) feColorMatrix_parent_class)->build(object, document, repr);
}
/*LOAD ATTRIBUTES FROM REPR HERE*/
sp_object_read_attr(object, "type");
sp_object_read_attr(object, "values");
}
/**
* Drops any allocated memory.
*/
static void
sp_feColorMatrix_release(SPObject *object)
{
if (((SPObjectClass *) feColorMatrix_parent_class)->release)
((SPObjectClass *) feColorMatrix_parent_class)->release(object);
}
static NR::FilterColorMatrixType sp_feColorMatrix_read_type(gchar const *value){
if (!value) return NR::COLORMATRIX_MATRIX; //matrix is default
switch(value[0]){
case 'm':
if (strcmp(value, "matrix") == 0) return NR::COLORMATRIX_MATRIX;
break;
case 's':
if (strcmp(value, "saturate") == 0) return NR::COLORMATRIX_SATURATE;
break;
case 'h':
if (strcmp(value, "hueRotate") == 0) return NR::COLORMATRIX_HUEROTATE;
break;
case 'l':
if (strcmp(value, "luminanceToAlpha") == 0) return NR::COLORMATRIX_LUMINANCETOALPHA;
break;
}
return NR::COLORMATRIX_MATRIX; //matrix is default
}
/**
* Sets a specific value in the SPFeColorMatrix.
*/
static void
sp_feColorMatrix_set(SPObject *object, unsigned int key, gchar const *str)
{
SPFeColorMatrix *feColorMatrix = SP_FECOLORMATRIX(object);
(void)feColorMatrix;
NR::FilterColorMatrixType read_type;
/*DEAL WITH SETTING ATTRIBUTES HERE*/
switch(key) {
case SP_ATTR_TYPE:
read_type = sp_feColorMatrix_read_type(str);
if (feColorMatrix->type != read_type){
feColorMatrix->type = read_type;
object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
break;
case SP_ATTR_VALUES:
if (str){
feColorMatrix->values = helperfns_read_vector(str, 20);
feColorMatrix->value = helperfns_read_number(str);
object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
}
break;
default:
if (((SPObjectClass *) feColorMatrix_parent_class)->set)
((SPObjectClass *) feColorMatrix_parent_class)->set(object, key, str);
break;
}
}
/**
* Receives update notifications.
*/
static void
sp_feColorMatrix_update(SPObject *object, SPCtx *ctx, guint flags)
{
if (flags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG |
SP_OBJECT_VIEWPORT_MODIFIED_FLAG)) {
/* do something to trigger redisplay, updates? */
}
if (((SPObjectClass *) feColorMatrix_parent_class)->update) {
((SPObjectClass *) feColorMatrix_parent_class)->update(object, ctx, flags);
}
}
/**
* Writes its settings to an incoming repr object, if any.
*/
static Inkscape::XML::Node *
sp_feColorMatrix_write(SPObject *object, Inkscape::XML::Node *repr, guint flags)
{
// Inkscape-only object, not copied during an "plain SVG" dump:
if (flags & SP_OBJECT_WRITE_EXT) {
if (repr) {
// is this sane?
repr->mergeFrom(SP_OBJECT_REPR(object), "id");
} else {
repr = SP_OBJECT_REPR(object)->duplicate(NULL); // FIXME
}
}
if (((SPObjectClass *) feColorMatrix_parent_class)->write) {
((SPObjectClass *) feColorMatrix_parent_class)->write(object, repr, flags);
}
return repr;
}
static void sp_feColorMatrix_build_renderer(SPFilterPrimitive *primitive, NR::Filter *filter) {
g_assert(primitive != NULL);
g_assert(filter != NULL);
SPFeColorMatrix *sp_colormatrix = SP_FECOLORMATRIX(primitive);
int primitive_n = filter->add_primitive(NR::NR_FILTER_COLORMATRIX);
NR::FilterPrimitive *nr_primitive = filter->get_primitive(primitive_n);
NR::FilterColorMatrix *nr_colormatrix = dynamic_cast<NR::FilterColorMatrix*>(nr_primitive);
g_assert(nr_colormatrix != NULL);
sp_filter_primitive_renderer_common(primitive, nr_primitive);
nr_colormatrix->set_type(sp_colormatrix->type);
nr_colormatrix->set_value(sp_colormatrix->value);
nr_colormatrix->set_values(sp_colormatrix->values);
}
/*
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 :
|
