void
data_add_pixbuf (AttributeNode attr, GdkPixbuf *pixbuf)
{
ObjectNode composite = data_add_composite(attr, "pixbuf");
AttributeNode comp_attr = composite_add_attribute (composite, "data");
gchar *b64;
b64 = pixbuf_encode_base64 (pixbuf);
if (b64)
(void)xmlNewChild (comp_attr, NULL, (const xmlChar *)"data", (xmlChar *)b64);
g_free (b64);
}
static void
draw_image(DiaRenderer *self,
Point *point,
real width, real height,
DiaImage *image)
{
DiaSvgRenderer *renderer = DIA_SVG_RENDERER (self);
xmlNodePtr node;
gchar d_buf[DTOSTR_BUF_SIZE];
gchar *uri = NULL;
node = xmlNewChild(renderer->root, NULL, (const xmlChar *)"image", NULL);
dia_svg_dtostr(d_buf, point->x);
xmlSetProp(node, (const xmlChar *)"x", (xmlChar *) d_buf);
dia_svg_dtostr(d_buf, point->y);
xmlSetProp(node, (const xmlChar *)"y", (xmlChar *) d_buf);
dia_svg_dtostr(d_buf, width);
xmlSetProp(node, (const xmlChar *)"width", (xmlChar *) d_buf);
dia_svg_dtostr(d_buf, height);
xmlSetProp(node, (const xmlChar *)"height", (xmlChar *) d_buf);
/* if the image file location is relative to the SVG file's store
* a relative path - if it does not have a path: inline it */
if (strcmp (dia_image_filename(image), "(null)") == 0) {
gchar *b64 = pixbuf_encode_base64 (dia_image_pixbuf (image));
gchar *uri;
if (b64)
uri = g_strdup_printf ("data:image/png;base64,%s", b64);
else
uri = g_strdup ("(null)");
xmlSetProp(node, (const xmlChar *)"xlink:href", (xmlChar *) uri);
g_free (b64);
} else if ((uri = dia_relativize_filename (renderer->filename, dia_image_filename(image))) != NULL)
xmlSetProp(node, (const xmlChar *)"xlink:href", (xmlChar *) uri);
else if ((uri = g_filename_to_uri(dia_image_filename(image), NULL, NULL)) != NULL)
xmlSetProp(node, (const xmlChar *)"xlink:href", (xmlChar *) uri);
else /* not sure if this fallback is better than nothing */
xmlSetProp(node, (const xmlChar *)"xlink:href", (xmlChar *) dia_image_filename(image));
g_free (uri);
}
