1 #include "config.h"
2 #ifdef ENABLE_SVG_FONTS
3 #define __SP_MISSING_GLYPH_C__
5 /*
6 * SVG <missing-glyph> element implementation
7 *
8 * Author:
9 * Felipe C. da S. Sanches <felipe.sanches@gmail.com>
10 *
11 * Copyright (C) 2008, Felipe C. da S. Sanches
12 *
13 * Released under GNU GPL, read the file 'COPYING' for more information
14 */
16 #include "xml/repr.h"
17 #include "attributes.h"
18 #include "sp-missing-glyph.h"
19 #include "document.h"
20 #include "helper-fns.h"
22 static void sp_missing_glyph_class_init(SPMissingGlyphClass *gc);
23 static void sp_missing_glyph_init(SPMissingGlyph *glyph);
25 static void sp_missing_glyph_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr);
26 static void sp_missing_glyph_release(SPObject *object);
27 static void sp_missing_glyph_set(SPObject *object, unsigned int key, const gchar *value);
28 static Inkscape::XML::Node *sp_missing_glyph_write(SPObject *object, Inkscape::XML::Node *repr, guint flags);
30 static SPObjectClass *parent_class;
32 GType sp_missing_glyph_get_type(void)
33 {
34 static GType type = 0;
36 if (!type) {
37 GTypeInfo info = {
38 sizeof(SPMissingGlyphClass),
39 NULL, /* base_init */
40 NULL, /* base_finalize */
41 (GClassInitFunc) sp_missing_glyph_class_init,
42 NULL, /* class_finalize */
43 NULL, /* class_data */
44 sizeof(SPMissingGlyph),
45 16, /* n_preallocs */
46 (GInstanceInitFunc) sp_missing_glyph_init,
47 NULL, /* value_table */
48 };
49 type = g_type_register_static(SP_TYPE_OBJECT, "SPMissingGlyph", &info, (GTypeFlags) 0);
50 }
52 return type;
53 }
55 static void sp_missing_glyph_class_init(SPMissingGlyphClass *gc)
56 {
57 SPObjectClass *sp_object_class = (SPObjectClass *) gc;
59 parent_class = (SPObjectClass*)g_type_class_peek_parent(gc);
61 sp_object_class->build = sp_missing_glyph_build;
62 sp_object_class->release = sp_missing_glyph_release;
63 sp_object_class->set = sp_missing_glyph_set;
64 sp_object_class->write = sp_missing_glyph_write;
65 }
67 static void sp_missing_glyph_init(SPMissingGlyph *glyph)
68 {
69 //TODO: correct these values:
70 glyph->d = NULL;
71 glyph->horiz_adv_x = 0;
72 glyph->vert_origin_x = 0;
73 glyph->vert_origin_y = 0;
74 glyph->vert_adv_y = 0;
75 }
77 static void sp_missing_glyph_build(SPObject *object, SPDocument *document, Inkscape::XML::Node *repr)
78 {
79 if (((SPObjectClass *) (parent_class))->build) {
80 ((SPObjectClass *) (parent_class))->build(object, document, repr);
81 }
83 sp_object_read_attr(object, "d");
84 sp_object_read_attr(object, "horiz-adv-x");
85 sp_object_read_attr(object, "vert-origin-x");
86 sp_object_read_attr(object, "vert-origin-y");
87 sp_object_read_attr(object, "vert-adv-y");
88 }
90 static void sp_missing_glyph_release(SPObject *object)
91 {
92 //SPMissingGlyph *glyph = SP_MISSING_GLYPH(object);
94 if (((SPObjectClass *) parent_class)->release) {
95 ((SPObjectClass *) parent_class)->release(object);
96 }
97 }
99 static void sp_missing_glyph_set(SPObject *object, unsigned int key, const gchar *value)
100 {
101 SPMissingGlyph *glyph = SP_MISSING_GLYPH(object);
102 double number;
104 switch (key) {
105 case SP_ATTR_D:
106 if (glyph->d) g_free(glyph->d);
107 glyph->d = g_strdup(value);
108 object->requestModified(SP_OBJECT_MODIFIED_FLAG);
109 g_warning("<missing-glyph>: SP_ATTR_D: %s", value);
110 break;
111 case SP_ATTR_HORIZ_ADV_X:
112 number = helperfns_read_number(value);
113 if (number != glyph->horiz_adv_x){
114 glyph->horiz_adv_x = number;
115 g_warning("<missing-glyph>: SP_ATTR_HORIZ_ADV_X: %f", number);
116 object->requestModified(SP_OBJECT_MODIFIED_FLAG);
117 }
118 break;
119 case SP_ATTR_VERT_ORIGIN_X:
120 number = helperfns_read_number(value);
121 if (number != glyph->vert_origin_x){
122 glyph->vert_origin_x = number;
123 g_warning("<missing-glyph>: SP_ATTR_VERT_ORIGIN_X: %f", number);
124 object->requestModified(SP_OBJECT_MODIFIED_FLAG);
125 }
126 break;
127 case SP_ATTR_VERT_ORIGIN_Y:
128 number = helperfns_read_number(value);
129 if (number != glyph->vert_origin_y){
130 glyph->vert_origin_y = number;
131 g_warning("<missing-glyph>: SP_ATTR_VERT_ORIGIN_Y: %f", number);
132 object->requestModified(SP_OBJECT_MODIFIED_FLAG);
133 }
134 break;
135 case SP_ATTR_VERT_ADV_Y:
136 number = helperfns_read_number(value);
137 if (number != glyph->vert_adv_y){
138 glyph->vert_adv_y = number;
139 g_warning("<missing-glyph>: SP_ATTR_VERT_ADV_Y: %f", number);
140 object->requestModified(SP_OBJECT_MODIFIED_FLAG);
141 }
142 break;
143 default:
144 if (((SPObjectClass *) (parent_class))->set) {
145 ((SPObjectClass *) (parent_class))->set(object, key, value);
146 }
147 break;
148 }
149 }
151 #define COPY_ATTR(rd,rs,key) (rd)->setAttribute((key), rs->attribute(key));
153 static Inkscape::XML::Node *sp_missing_glyph_write(SPObject *object, Inkscape::XML::Node *repr, guint flags)
154 {
155 // SPMissingGlyph *glyph = SP_MISSING_GLYPH(object);
157 if ((flags & SP_OBJECT_WRITE_BUILD) && !repr) {
158 Inkscape::XML::Document *xml_doc = sp_document_repr_doc(SP_OBJECT_DOCUMENT(object));
159 repr = xml_doc->createElement("svg:glyph");
160 }
162 /* I am commenting out this part because I am not certain how does it work. I will have to study it later. Juca
163 repr->setAttribute("d", glyph->d);
164 sp_repr_set_svg_double(repr, "horiz-adv-x", glyph->horiz_adv_x);
165 sp_repr_set_svg_double(repr, "vert-origin-x", glyph->vert_origin_x);
166 sp_repr_set_svg_double(repr, "vert-origin-y", glyph->vert_origin_y);
167 sp_repr_set_svg_double(repr, "vert-adv-y", glyph->vert_adv_y);
168 */
169 if (repr != SP_OBJECT_REPR(object)) {
170 COPY_ATTR(repr, object->repr, "d");
171 COPY_ATTR(repr, object->repr, "horiz-adv-x");
172 COPY_ATTR(repr, object->repr, "vert-origin-x");
173 COPY_ATTR(repr, object->repr, "vert-origin-y");
174 COPY_ATTR(repr, object->repr, "vert-adv-y");
175 }
177 if (((SPObjectClass *) (parent_class))->write) {
178 ((SPObjectClass *) (parent_class))->write(object, repr, flags);
179 }
181 return repr;
182 }
183 #endif //#ifdef ENABLE_SVG_FONTS
184 /*
185 Local Variables:
186 mode:c++
187 c-file-style:"stroustrup"
188 c-file-offsets:((innamespace . 0)(inline-open . 0)(case-label . +))
189 indent-tabs-mode:nil
190 fill-column:99
191 End:
192 */
193 // vim: filetype=cpp:expandtab:shiftwidth=4:tabstop=8:softtabstop=4 :