* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
+#include <glib/gi18n.h>
+
#include "gpdf-g-switch.h"
#include "pdf-document.h"
#include "ev-ps-exporter.h"
#include "GlobalParams.h"
#include "GDKSplashOutputDev.h"
#include "PDFDoc.h"
+#include "Outline.h"
+#include "UnicodeMap.h"
+#include "GlobalParams.h"
+#include "goo/GList.h"
#include "PSOutputDev.h"
+enum {
+ PROP_0,
+ PROP_TITLE
+};
+
typedef struct
{
PdfDocument *document;
GDKSplashOutputDev *out;
PSOutputDev *ps_out;
PDFDoc *doc;
+ UnicodeMap *umap;
gboolean page_valid;
PdfDocumentSearch *search;
};
-static void pdf_document_document_iface_init (EvDocumentIface *iface);
+static void pdf_document_document_bookmarks_iface_init (EvDocumentBookmarksIface *iface);
+static void pdf_document_document_iface_init (EvDocumentIface *iface);
static void pdf_document_ps_exporter_iface_init (EvPSExporterIface *iface);
static void pdf_document_find_iface_init (EvDocumentFindIface *iface);
static void pdf_document_search_free (PdfDocumentSearch *search);
{
G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT,
pdf_document_document_iface_init);
+ G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_BOOKMARKS,
+ pdf_document_document_bookmarks_iface_init);
G_IMPLEMENT_INTERFACE (EV_TYPE_PS_EXPORTER,
pdf_document_ps_exporter_iface_init);
G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND,
72 * pdf_document->scale,
72 * pdf_document->scale,
0, gTrue, gTrue);
-
+
pdf_document->page_valid = TRUE;
/* Update the search results available to the app since
if (pdf_document->search)
pdf_document_search_page_changed (pdf_document->search);
}
+
+ return pdf_document->page_valid;
}
static gboolean
int err;
char *filename;
GString *filename_g;
-
+ GString *enc;
+
if (!globalParams) {
globalParams = new GlobalParams("/etc/xpdfrc");
globalParams->setupBaseFontsFc(NULL);
}
+ if (! pdf_document->umap) {
+ enc = new GString("UTF-8");
+ pdf_document->umap = globalParams->getUnicodeMap(enc);
+ pdf_document->umap->incRefCnt ();
+ delete enc;
+ }
+
filename = g_filename_from_uri (uri, NULL, error);
if (!filename)
return FALSE;
"Failed to load document (error %d) '%s'\n",
err,
uri);
-
+
return FALSE;
}
pdf_document->out->startDoc(pdf_document->doc->getXRef());
pdf_document->page_valid = FALSE;
-
+
+ g_object_notify (G_OBJECT (pdf_document), "title");
+
return TRUE;
}
pdf_document->page_valid = FALSE;
}
+ ev_document_changed (document);
}
static int
GdkDrawable *target)
{
PdfDocument *pdf_document = PDF_DOCUMENT (document);
-
+
if (pdf_document->target != target) {
if (pdf_document->target)
g_object_unref (pdf_document->target);
-
+
pdf_document->target = target;
if (pdf_document->target)
double scale)
{
PdfDocument *pdf_document = PDF_DOCUMENT (document);
-
+
if (pdf_document->scale != scale) {
pdf_document->scale = scale;
pdf_document->page_valid = FALSE;
int y)
{
PdfDocument *pdf_document = PDF_DOCUMENT (document);
-
+
pdf_document->page_x_offset = x;
pdf_document->page_y_offset = y;
}
if (!document_validate_page (pdf_document) || !pdf_document->target)
return;
-
+
page.x = pdf_document->page_x_offset;
page.y = pdf_document->page_y_offset;
page.width = pdf_document->out->getBitmapWidth();
draw.y = clip_y;
draw.width = clip_width;
draw.height = clip_height;
-
+
if (gdk_rectangle_intersect (&page, &draw, &draw))
pdf_document->out->redraw (draw.x - page.x, draw.y - page.y,
pdf_document->target,
result.highlight_area.height = yMax - yMin;
g_array_append_val (search->current_page_results, result);
-
/* Now find further results */
while (pdf_document->out->findText (search->ucs4, search->ucs4_len,
gFalse, gTrue,
gTrue, gFalse,
&xMin, &yMin, &xMax, &yMax)) {
-
+
result.page_num = pdf_document->page;
-
+
result.highlight_area.x = xMin;
result.highlight_area.y = yMin;
result.highlight_area.width = xMax - xMin;
PdfDocument *pdf_document = search->document;
int n_pages;
double xMin, yMin, xMax, yMax;
- gboolean found;
/* Note that PDF page count is 1 through n_pages INCLUSIVE
* like a real book. We are looking to add one result for each
document->ps_out = NULL;
}
+
+/* EvDocumentBookmarks Implementation */
+typedef struct
+{
+ /* goo GList, not glib */
+ GList *items;
+ int index;
+ int level;
+} BookmarksIter;
+
+static gchar *
+unicode_to_char (OutlineItem *outline_item,
+ UnicodeMap *uMap)
+{
+ GString gstr;
+ gchar buf[8]; /* 8 is enough for mapping an unicode char to a string */
+ int i, n;
+
+ for (i = 0; i < outline_item->getTitleLength(); ++i) {
+ n = uMap->mapUnicode(outline_item->getTitle()[i], buf, sizeof(buf));
+ gstr.append(buf, n);
+ }
+
+ return g_strdup (gstr.getCString ());
+}
+
+
+static gboolean
+pdf_document_bookmarks_has_document_bookmarks (EvDocumentBookmarks *document_bookmarks)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document_bookmarks);
+ Outline *outline;
+
+ g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), FALSE);
+
+ outline = pdf_document->doc->getOutline();
+ if (outline->getItems() != NULL &&
+ outline->getItems()->getLength() > 0)
+ return TRUE;
+
+ return FALSE;
+}
+
+static EvDocumentBookmarksIter *
+pdf_document_bookmarks_begin_read (EvDocumentBookmarks *document_bookmarks)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document_bookmarks);
+ Outline *outline;
+ BookmarksIter *iter;
+ GList *items;
+
+ g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), NULL);
+
+ outline = pdf_document->doc->getOutline();
+ items = outline->getItems();
+ if (! items)
+ return NULL;
+
+ iter = g_new0 (BookmarksIter, 1);
+ iter->items = items;
+ iter->index = 0;
+ iter->level = 0;
+
+ return (EvDocumentBookmarksIter *) iter;
+}
+
+static gboolean
+pdf_document_bookmarks_get_values (EvDocumentBookmarks *document_bookmarks,
+ EvDocumentBookmarksIter *bookmarks_iter,
+ char **title,
+ EvDocumentBookmarksType *type,
+ gint *page)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document_bookmarks);
+ BookmarksIter *iter = (BookmarksIter *)bookmarks_iter;
+ OutlineItem *anItem;
+ LinkAction *link_action;
+ LinkDest *link_dest = NULL;
+ LinkURI *link_uri = NULL;
+ LinkGoTo *link_goto = NULL;
+ GString *named_dest;
+ Unicode *link_title;
+ Ref page_ref;
+ gint page_num = -1;
+
+ g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), FALSE);
+ g_return_val_if_fail (iter != NULL, FALSE);
+ g_return_val_if_fail (title != NULL, FALSE);
+ g_return_val_if_fail (type != NULL, FALSE);
+ g_return_val_if_fail (page != NULL, FALSE);
+
+ anItem = (OutlineItem *)iter->items->get(iter->index);
+ link_action = anItem->getAction ();
+ link_title = anItem->getTitle ();
+
+ if (link_action) {
+ switch (link_action->getKind ()) {
+
+ case actionGoTo:
+ link_goto = dynamic_cast <LinkGoTo *> (link_action);
+ link_dest = link_goto->getDest ();
+ named_dest = link_goto->getNamedDest ();
+
+ /* Wow! This seems excessively slow on large
+ * documents. I need to investigate more... -jrb */
+ if (link_dest != NULL) {
+ link_dest = link_dest->copy ();
+ } else if (named_dest != NULL) {
+ named_dest = named_dest->copy ();
+ link_dest = pdf_document->doc->findDest (named_dest);
+ delete named_dest;
+ }
+ if (link_dest != NULL) {
+ if (link_dest->isPageRef ()) {
+ page_ref = link_dest->getPageRef ();
+ page_num = pdf_document->doc->findPage (page_ref.num, page_ref.gen);
+ } else {
+ page_num = link_dest->getPageNum ();
+ }
+
+ delete link_dest;
+ }
+
+ break;
+ case actionURI:
+ link_uri = dynamic_cast <LinkURI *> (link_action);
+ break;
+
+ case actionNamed:
+ /*Skip, for now */
+ default:
+ g_warning ("Unknown link action type: %d", link_action->getKind ());
+ }
+
+ *title = g_strdup (unicode_to_char (anItem, pdf_document->umap));
+ } else if (link_title) {
+ *title = g_strdup (unicode_to_char (anItem, pdf_document->umap));
+ }
+
+ *type = EV_DOCUMENT_BOOKMARKS_TYPE_LINK;
+ *page = page_num;
+
+ return TRUE;
+}
+
+static EvDocumentBookmarksIter *
+pdf_document_bookmarks_get_child (EvDocumentBookmarks *document_bookmarks,
+ EvDocumentBookmarksIter *bookmarks_iter)
+{
+ BookmarksIter *iter = (BookmarksIter *)bookmarks_iter;
+ BookmarksIter *child_iter;
+ OutlineItem *anItem;
+
+ g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), FALSE);
+
+ anItem = (OutlineItem *)iter->items->get(iter->index);
+ anItem->open ();
+ if (! (anItem->hasKids() && anItem->getKids()) )
+ return NULL;
+
+ child_iter = g_new0 (BookmarksIter, 1);
+ child_iter->index = 0;
+ child_iter->level = iter->level + 1;
+ child_iter->items = anItem->getKids ();
+ g_assert (child_iter->items);
+
+ return (EvDocumentBookmarksIter *) child_iter;
+}
+
+static gboolean
+pdf_document_bookmarks_next (EvDocumentBookmarks *document_bookmarks,
+ EvDocumentBookmarksIter *bookmarks_iter)
+{
+ BookmarksIter *iter = (BookmarksIter *) bookmarks_iter;
+
+ g_return_val_if_fail (PDF_IS_DOCUMENT (document_bookmarks), FALSE);
+
+ iter->index++;
+ if (iter->index >= iter->items->getLength())
+ return FALSE;
+
+ return TRUE;
+}
+
+static void
+pdf_document_bookmarks_free_iter (EvDocumentBookmarks *document_bookmarks,
+ EvDocumentBookmarksIter *iter)
+{
+ g_return_if_fail (PDF_IS_DOCUMENT (document_bookmarks));
+ g_return_if_fail (iter != NULL);
+
+ /* FIXME: Should I close all the nodes?? Free them? */
+ g_free (iter);
+}
+
static void
pdf_document_finalize (GObject *object)
{
PdfDocument *pdf_document = PDF_DOCUMENT (object);
+ if (pdf_document->umap) {
+ pdf_document->umap->decRefCnt ();
+ pdf_document->umap = NULL;
+ }
+
if (pdf_document->search)
pdf_document_search_free (pdf_document->search);
}
+static void
+pdf_document_set_property (GObject *object,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ switch (prop_id)
+
+ {
+ case PROP_TITLE:
+ /* read only */
+ break;
+ }
+}
+
+static gboolean
+has_unicode_marker (GString *string)
+{
+ return ((string->getChar (0) & 0xff) == 0xfe &&
+ (string->getChar (1) & 0xff) == 0xff);
+}
+
+static gchar *
+pdf_info_dict_get_string (Dict *info_dict, const gchar *key) {
+ Object obj;
+ GString *value;
+ gchar *result;
+
+ g_return_val_if_fail (info_dict != NULL, NULL);
+ g_return_val_if_fail (key != NULL, NULL);
+
+ if (!info_dict->lookup ((gchar *)key, &obj)->isString ()) {
+ obj.free ();
+ return g_strdup (_("Unknown"));
+ }
+
+ value = obj.getString ();
+
+ if (has_unicode_marker (value)) {
+ result = g_convert (value->getCString () + 2,
+ value->getLength () - 2,
+ "UTF-8", "UTF-16BE", NULL, NULL, NULL);
+ } else {
+ result = g_strndup (value->getCString (), value->getLength ());
+ }
+
+ obj.free ();
+
+ return result;
+}
+
+static char *
+pdf_document_get_title (PdfDocument *pdf_document)
+{
+ char *title;
+ Object info;
+
+ pdf_document->doc->getDocInfo (&info);
+
+ if (info.isDict ()) {
+ title = pdf_info_dict_get_string (info.getDict(), "Title");
+ }
+
+ return title;
+}
+
+static void
+pdf_document_get_property (GObject *object,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (object);
+ char *title;
+
+ switch (prop_id)
+ {
+ case PROP_TITLE:
+ title = pdf_document_get_title (pdf_document);
+ g_value_set_string (value, title);
+ g_free (title);
+ break;
+ }
+}
+
static void
pdf_document_class_init (PdfDocumentClass *klass)
{
GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
-
+
gobject_class->finalize = pdf_document_finalize;
+ gobject_class->get_property = pdf_document_get_property;
+ gobject_class->set_property = pdf_document_set_property;
+
+ g_object_class_override_property (gobject_class, PROP_TITLE, "title");
}
static void
iface->cancel = pdf_document_find_cancel;
}
+static void
+pdf_document_document_bookmarks_iface_init (EvDocumentBookmarksIface *iface)
+{
+ iface->has_document_bookmarks = pdf_document_bookmarks_has_document_bookmarks;
+ iface->begin_read = pdf_document_bookmarks_begin_read;
+ iface->get_values = pdf_document_bookmarks_get_values;
+ iface->get_child = pdf_document_bookmarks_get_child;
+ iface->next = pdf_document_bookmarks_next;
+ iface->free_iter = pdf_document_bookmarks_free_iter;
+}
+
+
static void
pdf_document_init (PdfDocument *pdf_document)
{
pdf_document->page_x_offset = 0;
pdf_document->page_y_offset = 0;
pdf_document->scale = 1.;
-
+
pdf_document->page_valid = FALSE;
}
https://www.fi.muni.cz/~kas/git / evince.git / blobdiff