1 #define __SP_MISSING_GLYPH_C__
3 /*
4 * SVG <missing-glyph> element implementation
5 *
6 * Author:
7 * Felipe C. da S. Sanches <felipe.sanches@gmail.com>
8 *
9 * Copyright (C) 2008, Felipe C. da S. Sanches
10 *
11 * Released under GNU GPL, read the file 'COPYING' for more information
12 */
14 #include "xml/repr.h"
15 #include "attributes.h"
16 #include "sp-missing-glyph.h"
17 #include "document.h"
18 #include "helper-fns.h"
20 static void sp_missing_glyph_class_init(SPMissingGlyphClass *gc);
21 static void sp_missing_glyph_init(SPMissingGlyph *glyph);
23 static void sp_missing_glyph_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr);
24 static void sp_missing_glyph_release(SPObject *object);
25 static void sp_missing_glyph_set(SPObject *object, unsigned int key, const gchar *value);
26 static Inkscape::XML::Node *sp_missing_glyph_write(SPObject *object, Inkscape::XML::Node *repr, guint flags);
28 static SPObjectClass *parent_class;
30 GType sp_missing_glyph_get_type(void)
31 {
32 static GType type = 0;
34 if (!type) {
35 GTypeInfo info = {
36 sizeof(SPMissingGlyphClass),
37 NULL, /* base_init */
38 NULL, /* base_finalize */
39 (GClassInitFunc) sp_missing_glyph_class_init,
40 NULL, /* class_finalize */
41 NULL, /* class_data */
42 sizeof(SPMissingGlyph),
43 16, /* n_preallocs */
44 (GInstanceInitFunc) sp_missing_glyph_init,
45 NULL, /* value_table */
46 };
47 type = g_type_register_static(SP_TYPE_OBJECT, "SPMissingGlyph", &info, (GTypeFlags) 0);
48 }
50 return type;
51 }
53 static void sp_missing_glyph_class_init(SPMissingGlyphClass *gc)
54 {
55 SPObjectClass *sp_object_class = (SPObjectClass *) gc;
57 parent_class = (SPObjectClass*)g_type_class_peek_parent(gc);
59 sp_object_class->build = sp_missing_glyph_build;
60 sp_object_class->release = sp_missing_glyph_release;
61 sp_object_class->set = sp_missing_glyph_set;
62 sp_object_class->write = sp_missing_glyph_write;
63 }
65 static void sp_missing_glyph_init(SPMissingGlyph *glyph)
66 {
67 //TODO: correct these values:
68 glyph->d = NULL;
69 glyph->horiz_adv_x = 0;
70 glyph->vert_origin_x = 0;
71 glyph->vert_origin_y = 0;
72 glyph->vert_adv_y = 0;
73 }
75 static void sp_missing_glyph_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr)
76 {
77 if (((SPObjectClass *) (parent_class))->build) {
78 ((SPObjectClass *) (parent_class))->build(object, document, repr);
79 }
81 sp_object_read_attr(object, "d");
82 sp_object_read_attr(object, "horiz-adv-x");
83 sp_object_read_attr(object, "vert-origin-x");
84 sp_object_read_attr(object, "vert-origin-y");
85 sp_object_read_attr(object, "vert-adv-y");
86 }
88 static void sp_missing_glyph_release(SPObject *object)
89 {
90 //SPMissingGlyph *glyph = SP_MISSING_GLYPH(object);
92 if (((SPObjectClass *) parent_class)->release) {
93 ((SPObjectClass *) parent_class)->release(object);
94 }
95 }
97 static void sp_missing_glyph_set(SPObject *object, unsigned int key, const gchar *value)
98 {
99 SPMissingGlyph *glyph = SP_MISSING_GLYPH(object);
100 double number;
102 switch (key) {
103 case SP_ATTR_D:
104 if (glyph->d) g_free(glyph->d);
105 glyph->d = g_strdup(value);
106 object->requestModified(SP_OBJECT_MODIFIED_FLAG);
107 g_warning("<missing-glyph>: SP_ATTR_D: %s", value);
108 break;
109 case SP_ATTR_HORIZ_ADV_X:
110 number = helperfns_read_number(value);
111 if (number != glyph->horiz_adv_x){
112 glyph->horiz_adv_x = number;
113 g_warning("<missing-glyph>: SP_ATTR_HORIZ_ADV_X: %f", number);
114 object->requestModified(SP_OBJECT_MODIFIED_FLAG);
115 }
116 break;
117 case SP_ATTR_VERT_ORIGIN_X:
118 number = helperfns_read_number(value);
119 if (number != glyph->vert_origin_x){
120 glyph->vert_origin_x = number;
121 g_warning("<missing-glyph>: SP_ATTR_VERT_ORIGIN_X: %f", number);
122 object->requestModified(SP_OBJECT_MODIFIED_FLAG);
123 }
124 break;
125 case SP_ATTR_VERT_ORIGIN_Y:
126 number = helperfns_read_number(value);
127 if (number != glyph->vert_origin_y){
128 glyph->vert_origin_y = number;
129 g_warning("<missing-glyph>: SP_ATTR_VERT_ORIGIN_Y: %f", number);
130 object->requestModified(SP_OBJECT_MODIFIED_FLAG);
131 }
132 break;
133 case SP_ATTR_VERT_ADV_Y:
134 number = helperfns_read_number(value);
135 if (number != glyph->vert_adv_y){
136 glyph->vert_adv_y = number;
137 g_warning("<missing-glyph>: SP_ATTR_VERT_ADV_Y: %f", number);
138 object->requestModified(SP_OBJECT_MODIFIED_FLAG);
139 }
140 break;
141 default:
142 if (((SPObjectClass *) (parent_class))->set) {
143 ((SPObjectClass *) (parent_class))->set(object, key, value);
144 }
145 break;
146 }
147 }
149 #define COPY_ATTR(rd,rs,key) (rd)->setAttribute((key), rs->attribute(key));
151 static Inkscape::XML::Node *sp_missing_glyph_write(SPObject *object, Inkscape::XML::Node *repr, guint flags)
152 {
153 // SPMissingGlyph *glyph = SP_MISSING_GLYPH(object);
155 if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
156 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(SP_OBJECT_DOCUMENT(object));
157 repr = xml_doc->createElement("svg:glyph");
158 }
160 /* I am commenting out this part because I am not certain how does it work. I will have to study it later. Juca
161 repr->setAttribute("d", glyph->d);
162 sp_repr_set_svg_double(repr, "horiz-adv-x", glyph->horiz_adv_x);
163 sp_repr_set_svg_double(repr, "vert-origin-x", glyph->vert_origin_x);
164 sp_repr_set_svg_double(repr, "vert-origin-y", glyph->vert_origin_y);
165 sp_repr_set_svg_double(repr, "vert-adv-y", glyph->vert_adv_y);
166 */
167 if (repr != SP_OBJECT_REPR(object)) {
168 COPY_ATTR(repr, object->repr, "d");
169 COPY_ATTR(repr, object->repr, "horiz-adv-x");
170 COPY_ATTR(repr, object->repr, "vert-origin-x");
171 COPY_ATTR(repr, object->repr, "vert-origin-y");
172 COPY_ATTR(repr, object->repr, "vert-adv-y");
173 }
175 if (((SPObjectClass *) (parent_class))->write) {
176 ((SPObjectClass *) (parent_class))->write(object, repr, flags);
177 }
179 return repr;
180 }
182 /*
183 Local Variables:
184 mode:c++
185 c-file-style:"stroustrup"
186 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
187 indent-tabs-mode:nil
188 fill-column:99
189 End:
190 */
191 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :