1 #define __SP_FEFLOOD_CPP__
3 /** \file
4 * SVG <feFlood> implementation.
5 *
6 */
7 /*
8 * Authors:
9 * hugo Rodrigues <haa.rodrigues@gmail.com>
10 *
11 * Copyright (C) 2006 Hugo Rodrigues
12 *
13 * Released under GNU GPL, read the file 'COPYING' for more information
14 */
16 #ifdef HAVE_CONFIG_H
17 # include "config.h"
18 #endif
20 #include "attributes.h"
21 #include "svg/svg.h"
22 #include "sp-feflood.h"
23 #include "xml/repr.h"
24 #include "helper-fns.h"
25 #include "svg/svg-color.h"
27 /* FeFlood base class */
29 static void sp_feFlood_class_init(SPFeFloodClass *klass);
30 static void sp_feFlood_init(SPFeFlood *feFlood);
32 static void sp_feFlood_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr);
33 static void sp_feFlood_release(SPObject *object);
34 static void sp_feFlood_set(SPObject *object, unsigned int key, gchar const *value);
35 static void sp_feFlood_update(SPObject *object, SPCtx *ctx, guint flags);
36 static Inkscape::XML::Node *sp_feFlood_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags);
37 static void sp_feFlood_build_renderer(SPFilterPrimitive *primitive, NR::Filter *filter);
39 static SPFilterPrimitiveClass *feFlood_parent_class;
41 GType
42 sp_feFlood_get_type()
43 {
44 static GType feFlood_type = 0;
46 if (!feFlood_type) {
47 GTypeInfo feFlood_info = {
48 sizeof(SPFeFloodClass),
49 NULL, NULL,
50 (GClassInitFunc) sp_feFlood_class_init,
51 NULL, NULL,
52 sizeof(SPFeFlood),
53 16,
54 (GInstanceInitFunc) sp_feFlood_init,
55 NULL, /* value_table */
56 };
57 feFlood_type = g_type_register_static(SP_TYPE_FILTER_PRIMITIVE, "SPFeFlood", &feFlood_info, (GTypeFlags)0);
58 }
59 return feFlood_type;
60 }
62 static void
63 sp_feFlood_class_init(SPFeFloodClass *klass)
64 {
65 SPObjectClass *sp_object_class = (SPObjectClass *)klass;
66 SPFilterPrimitiveClass *sp_primitive_class = (SPFilterPrimitiveClass *)klass;
68 feFlood_parent_class = (SPFilterPrimitiveClass*)g_type_class_peek_parent(klass);
70 sp_object_class->build = sp_feFlood_build;
71 sp_object_class->release = sp_feFlood_release;
72 sp_object_class->write = sp_feFlood_write;
73 sp_object_class->set = sp_feFlood_set;
74 sp_object_class->update = sp_feFlood_update;
75 sp_primitive_class->build_renderer = sp_feFlood_build_renderer;
76 }
78 static void
79 sp_feFlood_init(SPFeFlood */*feFlood*/)
80 {
81 }
83 /**
84 * Reads the Inkscape::XML::Node, and initializes SPFeFlood variables. For this to get called,
85 * our name must be associated with a repr via "sp_object_type_register". Best done through
86 * sp-object-repr.cpp's repr_name_entries array.
87 */
88 static void
89 sp_feFlood_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr)
90 {
91 if (((SPObjectClass *) feFlood_parent_class)->build) {
92 ((SPObjectClass *) feFlood_parent_class)->build(object, document, repr);
93 }
95 /*LOAD ATTRIBUTES FROM REPR HERE*/
96 sp_object_read_attr(object, "flood-opacity");
97 sp_object_read_attr(object, "flood-color");
98 }
100 /**
101 * Drops any allocated memory.
102 */
103 static void
104 sp_feFlood_release(SPObject *object)
105 {
106 if (((SPObjectClass *) feFlood_parent_class)->release)
107 ((SPObjectClass *) feFlood_parent_class)->release(object);
108 }
110 /**
111 * Sets a specific value in the SPFeFlood.
112 */
113 static void
114 sp_feFlood_set(SPObject *object, unsigned int key, gchar const *value)
115 {
116 SPFeFlood *feFlood = SP_FEFLOOD(object);
117 (void)feFlood;
118 gchar const *cend_ptr = NULL;
119 guint32 read_color;
120 double read_num;
122 switch(key) {
123 /*DEAL WITH SETTING ATTRIBUTES HERE*/
124 case SP_PROP_FLOOD_COLOR:
125 cend_ptr = NULL;
126 read_color = sp_svg_read_color(value, &cend_ptr, 0xffffffff);
127 if (cend_ptr && read_color != feFlood->color){
128 feFlood->color = read_color;
129 object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
130 }
131 break;
132 case SP_PROP_FLOOD_OPACITY:
133 read_num = helperfns_read_number(value);
134 if (read_num != feFlood->opacity){
135 feFlood->opacity = read_num;
136 object->parent->requestModified(SP_OBJECT_MODIFIED_FLAG);
137 }
138 break;
139 default:
140 if (((SPObjectClass *) feFlood_parent_class)->set)
141 ((SPObjectClass *) feFlood_parent_class)->set(object, key, value);
142 break;
143 }
145 }
147 /**
148 * Receives update notifications.
149 */
150 static void
151 sp_feFlood_update(SPObject *object, SPCtx *ctx, guint flags)
152 {
153 if (flags & (SP_OBJECT_MODIFIED_FLAG | SP_OBJECT_STYLE_MODIFIED_FLAG |
154 SP_OBJECT_VIEWPORT_MODIFIED_FLAG)) {
156 /* do something to trigger redisplay, updates? */
158 }
160 if (((SPObjectClass *) feFlood_parent_class)->update) {
161 ((SPObjectClass *) feFlood_parent_class)->update(object, ctx, flags);
162 }
163 }
165 /**
166 * Writes its settings to an incoming repr object, if any.
167 */
168 static Inkscape::XML::Node *
169 sp_feFlood_write(SPObject *object, Inkscape::XML::Document *doc, Inkscape::XML::Node *repr, guint flags)
170 {
171 // Inkscape-only object, not copied during an "plain SVG" dump:
172 if (flags & SP_OBJECT_WRITE_EXT) {
173 if (repr) {
174 // is this sane?
175 //repr->mergeFrom(SP_OBJECT_REPR(object), "id");
176 } else {
177 repr = SP_OBJECT_REPR(object)->duplicate(doc);
178 }
179 }
181 if (((SPObjectClass *) feFlood_parent_class)->write) {
182 ((SPObjectClass *) feFlood_parent_class)->write(object, doc, repr, flags);
183 }
185 return repr;
186 }
188 static void sp_feFlood_build_renderer(SPFilterPrimitive *primitive, NR::Filter *filter) {
189 g_assert(primitive != NULL);
190 g_assert(filter != NULL);
192 SPFeFlood *sp_flood = SP_FEFLOOD(primitive);
193 (void)sp_flood;
195 int primitive_n = filter->add_primitive(NR::NR_FILTER_FLOOD);
196 NR::FilterPrimitive *nr_primitive = filter->get_primitive(primitive_n);
197 NR::FilterFlood *nr_flood = dynamic_cast<NR::FilterFlood*>(nr_primitive);
198 g_assert(nr_flood != NULL);
200 sp_filter_primitive_renderer_common(primitive, nr_primitive);
202 nr_flood->set_opacity(sp_flood->opacity);
203 nr_flood->set_color(sp_flood->color);
204 }
207 /*
208 Local Variables:
209 mode:c++
210 c-file-style:"stroustrup"
211 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
212 indent-tabs-mode:nil
213 fill-column:99
214 End:
215 */
216 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:encoding=utf-8:textwidth=99 :