djvu-links.h File Reference

#include "ev-document-links.h"
#include "djvu-document.h"
#include <glib.h>

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Functions
GtkTreeModel *	djvu_links_get_links_model (EvDocumentLinks *document_links)
EvMappingList *	djvu_links_get_links (EvDocumentLinks *document_links, gint page, double scale_factor)
EvLinkDest *	djvu_links_find_link_dest (EvDocumentLinks *document_links, const gchar *link_name)
gint	djvu_links_find_link_page (EvDocumentLinks *document_links, const gchar *link_name)
gboolean	djvu_links_has_document_links (EvDocumentLinks *document_links)

Function Documentation

EvLinkDest* djvu_links_find_link_dest	(	EvDocumentLinks *	document_links,
		const gchar *	link_name
	)

Definition at line 424 of file djvu-links.c.

{
    DjvuDocument *djvu_document = DJVU_DOCUMENT (document_links);
    EvLinkDest *ev_dest = NULL;
    
    ev_dest = get_djvu_link_dest (djvu_document, link_name, -1);

    if (!ev_dest) {
        g_warning ("DjvuLibre error: unknown link destination %s", link_name);
    }
    
    return ev_dest;
}

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gint djvu_links_find_link_page	(	EvDocumentLinks *	document_links,
		const gchar *	link_name
	)

Definition at line 440 of file djvu-links.c.

{
    DjvuDocument *djvu_document = DJVU_DOCUMENT (document_links);
    gint page;

    page = get_djvu_link_page (djvu_document, link_name, -1);

    if (page == -1) {
        g_warning ("DjvuLibre error: unknown link destination %s", link_name);
    }

    return page;
}

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EvMappingList* djvu_links_get_links	(	EvDocumentLinks *	document_links,
		gint	page,
		double	scale_factor
	)

Definition at line 385 of file djvu-links.c.

{
    DjvuDocument *djvu_document = DJVU_DOCUMENT (document_links);
    GList *retval = NULL;
    miniexp_t page_annotations = miniexp_nil;
    miniexp_t *hyperlinks = NULL, *iter = NULL;
    EvMapping *ev_link_mapping;
        ddjvu_pageinfo_t page_info;

    while ((page_annotations = ddjvu_document_get_pageanno (djvu_document->d_document, page)) == miniexp_dummy)
        djvu_handle_events (djvu_document, TRUE, NULL);

    while (ddjvu_document_get_pageinfo (djvu_document->d_document, page, &page_info) < DDJVU_JOB_OK)
        djvu_handle_events(djvu_document, TRUE, NULL);

    if (page_annotations) {
        hyperlinks = ddjvu_anno_get_hyperlinks (page_annotations);
        if (hyperlinks) {
            for (iter = hyperlinks; *iter; ++iter) {
                ev_link_mapping = get_djvu_hyperlink_mapping (djvu_document, page, &page_info, *iter);
                if (ev_link_mapping) {
                    ev_link_mapping->area.x1 *= scale_factor;
                    ev_link_mapping->area.x2 *= scale_factor;
                    ev_link_mapping->area.y1 *= scale_factor;
                    ev_link_mapping->area.y2 *= scale_factor;
                    retval = g_list_prepend (retval, ev_link_mapping);
                }
            }
            free (hyperlinks);
        }
        ddjvu_miniexp_release (djvu_document->d_document, page_annotations);
    }
    
    return ev_mapping_list_new (page, retval, (GDestroyNotify)g_object_unref);
}

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GtkTreeModel* djvu_links_get_links_model

(

EvDocumentLinks *

document_links)

Definition at line 456 of file djvu-links.c.

{
    DjvuDocument *djvu_document = DJVU_DOCUMENT (document_links);
    GtkTreeModel *model = NULL;
    miniexp_t outline = miniexp_nil;

    while ((outline = ddjvu_document_get_outline (djvu_document->d_document)) == miniexp_dummy)
        djvu_handle_events (djvu_document, TRUE, NULL);

    if (outline) {
        model = (GtkTreeModel *) gtk_tree_store_new (EV_DOCUMENT_LINKS_COLUMN_NUM_COLUMNS,
                                 G_TYPE_STRING,
                                 G_TYPE_OBJECT,
                                 G_TYPE_BOOLEAN,
                                 G_TYPE_STRING);
        build_tree (djvu_document, model, NULL, outline);

        ddjvu_miniexp_release (djvu_document->d_document, outline);
    }
    
    return model;
}

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gboolean djvu_links_has_document_links

(

EvDocumentLinks *

document_links)

Definition at line 368 of file djvu-links.c.

{
    DjvuDocument *djvu_document = DJVU_DOCUMENT (document_links);
    miniexp_t outline;

    while ((outline = ddjvu_document_get_outline (djvu_document->d_document)) == miniexp_dummy)
        djvu_handle_events (djvu_document, TRUE, NULL);

    if (outline) {
        ddjvu_miniexp_release (djvu_document->d_document, outline);
        return TRUE;
    }
    
    return FALSE;
}

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