* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
+#include <math.h>
+#include <string.h>
#include <gtk/gtk.h>
#include <poppler.h>
#include <poppler-document.h>
};
+typedef struct {
+ PdfDocument *document;
+ char *text;
+ GList **pages;
+ guint idle;
+ int start_page;
+ int search_page;
+} PdfDocumentSearch;
+
struct _PdfDocumentClass
{
GObjectClass parent_class;
GObject parent_instance;
PopplerDocument *document;
- PopplerPage *page;
- double scale;
+ PopplerPSFile *ps_file;
gchar *password;
+
+ PdfDocumentSearch *search;
};
static void pdf_document_document_iface_init (EvDocumentIface *iface);
static void pdf_document_security_iface_init (EvDocumentSecurityIface *iface);
static void pdf_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface);
static void pdf_document_document_links_iface_init (EvDocumentLinksIface *iface);
+static void pdf_document_find_iface_init (EvDocumentFindIface *iface);
+static void pdf_document_ps_exporter_iface_init (EvPSExporterIface *iface);
static void pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails,
gint page,
gint size,
pdf_document_document_thumbnails_iface_init);
G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS,
pdf_document_document_links_iface_init);
-#if 0
- G_IMPLEMENT_INTERFACE (EV_TYPE_PS_EXPORTER,
- pdf_document_ps_exporter_iface_init);
G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND,
pdf_document_find_iface_init);
-#endif
+ G_IMPLEMENT_INTERFACE (EV_TYPE_PS_EXPORTER,
+ pdf_document_ps_exporter_iface_init);
});
-
-
-
-
static void
pdf_document_get_property (GObject *object,
guint prop_id,
static void
pdf_document_init (PdfDocument *pdf_document)
{
- pdf_document->page = NULL;
- pdf_document->scale = 1.0;
pdf_document->password = NULL;
}
}
static void
-pdf_document_set_page (EvDocument *document,
- int page)
-{
- page = CLAMP (page, 0, poppler_document_get_n_pages (PDF_DOCUMENT (document)->document) - 1);
-
- PDF_DOCUMENT (document)->page = poppler_document_get_page (PDF_DOCUMENT (document)->document, page);
-}
-
-static int
-pdf_document_get_page (EvDocument *document)
-{
- PdfDocument *pdf_document;
-
- pdf_document = PDF_DOCUMENT (document);
-
- if (pdf_document->page)
- return poppler_page_get_index (pdf_document->page);
-
- return 1;
-}
-
-static void
-pdf_document_set_scale (EvDocument *document,
- double scale)
+pdf_document_get_page_size (EvDocument *document,
+ int page,
+ double *width,
+ double *height)
{
- PDF_DOCUMENT (document)->scale = scale;
-}
-
+ PopplerPage *poppler_page;
-static void
-get_size_from_page (PopplerPage *poppler_page,
- double scale,
- int *width,
- int *height)
-{
- gdouble width_d, height_d;
- poppler_page_get_size (poppler_page, &width_d, &height_d);
- if (width)
- *width = (int) (width_d * scale);
- if (height)
- *height = (int) (height_d * scale);
+ poppler_page = poppler_document_get_page (PDF_DOCUMENT (document)->document,
+ page);
+ poppler_page_get_size (poppler_page, width, height);
}
-static void
-pdf_document_get_page_size (EvDocument *document,
- int page,
- int *width,
- int *height)
+static char *
+pdf_document_get_page_label (EvDocument *document,
+ int page)
{
- PopplerPage *poppler_page = NULL;
+ PopplerPage *poppler_page;
+ char *label = NULL;
- if (page == -1)
- poppler_page = PDF_DOCUMENT (document)->page;
- else
- poppler_page = poppler_document_get_page (PDF_DOCUMENT (document)->document,
- page);
+ poppler_page = poppler_document_get_page (PDF_DOCUMENT (document)->document,
+ page);
- if (poppler_page == NULL)
- poppler_document_get_page (PDF_DOCUMENT (document)->document, 0);
+ g_object_get (poppler_page,
+ "label", &label,
+ NULL);
- get_size_from_page (poppler_page,
- PDF_DOCUMENT (document)->scale,
- width, height);
+ return label;
}
static GList *
-pdf_document_get_links (EvDocument *document)
+pdf_document_get_links (EvDocument *document,
+ int page)
{
PdfDocument *pdf_document;
+ PopplerPage *poppler_page;
GList *retval = NULL;
GList *mapping_list;
GList *list;
- gint height;
+ double height;
pdf_document = PDF_DOCUMENT (document);
- g_return_val_if_fail (pdf_document->page != NULL, NULL);
-
- mapping_list = poppler_page_get_link_mapping (pdf_document->page);
- get_size_from_page (pdf_document->page, 1.0, NULL, &height);
+ poppler_page = poppler_document_get_page (pdf_document->document,
+ page);
+ mapping_list = poppler_page_get_link_mapping (poppler_page);
+ poppler_page_get_size (poppler_page, NULL, &height);
for (list = mapping_list; list; list = list->next) {
PopplerLinkMapping *link_mapping;
link_mapping = (PopplerLinkMapping *)list->data;
ev_link_mapping = g_new (EvLinkMapping, 1);
ev_link_mapping->link = ev_link_from_action (link_mapping->action);
- ev_link_mapping->x1 = link_mapping->x1;
- ev_link_mapping->x2 = link_mapping->x2;
+ ev_link_mapping->x1 = link_mapping->area.x1;
+ ev_link_mapping->x2 = link_mapping->area.x2;
/* Invert this for X-style coordinates */
- ev_link_mapping->y1 = height - link_mapping->y2;
- ev_link_mapping->y2 = height - link_mapping->y1;
+ ev_link_mapping->y1 = height - link_mapping->area.y2;
+ ev_link_mapping->y2 = height - link_mapping->area.y1;
retval = g_list_prepend (retval, ev_link_mapping);
}
static GdkPixbuf *
-pdf_document_render_pixbuf (EvDocument *document)
+pdf_document_render_pixbuf (EvDocument *document,
+ int page,
+ double scale)
{
PdfDocument *pdf_document;
+ PopplerPage *poppler_page;
GdkPixbuf *pixbuf;
+ double width_points, height_points;
gint width, height;
pdf_document = PDF_DOCUMENT (document);
- g_return_val_if_fail (pdf_document->page != NULL, NULL);
+ poppler_page = poppler_document_get_page (pdf_document->document,
+ page);
- get_size_from_page (pdf_document->page,
- pdf_document->scale,
- &width, &height);
+ poppler_page_get_size (poppler_page, &width_points, &height_points);
+ width = (int) ceil (width_points * scale);
+ height = (int) ceil (height_points * scale);
pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
FALSE, 8,
width, height);
- poppler_page_render_to_pixbuf (pdf_document->page,
+ poppler_page_render_to_pixbuf (poppler_page,
0, 0,
width, height,
- pdf_document->scale,
+ scale,
pixbuf,
0, 0);
document->password = g_strdup (password);
}
+static gboolean
+pdf_document_can_get_text (EvDocument *document)
+{
+ return TRUE;
+}
+
+static char *
+pdf_document_get_text (EvDocument *document, int page, EvRectangle *rect)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+ PopplerPage *poppler_page;
+ PopplerRectangle r;
+ double height;
+
+ poppler_page = poppler_document_get_page (pdf_document->document, page);
+ g_return_val_if_fail (poppler_page != NULL, NULL);
+
+ poppler_page_get_size (poppler_page, NULL, &height);
+ r.x1 = rect->x1;
+ r.y1 = height - rect->y2;
+ r.x2 = rect->x2;
+ r.y2 = height - rect->y1;
+ return poppler_page_get_text (poppler_page, &r);
+}
static void
pdf_document_document_iface_init (EvDocumentIface *iface)
iface->save = pdf_document_save;
iface->load = pdf_document_load;
iface->get_n_pages = pdf_document_get_n_pages;
- iface->set_page = pdf_document_set_page;
- iface->get_page = pdf_document_get_page;
- iface->set_scale = pdf_document_set_scale;
iface->get_page_size = pdf_document_get_page_size;
+ iface->get_page_label = pdf_document_get_page_label;
iface->get_links = pdf_document_get_links;
iface->render_pixbuf = pdf_document_render_pixbuf;
+ iface->get_text = pdf_document_get_text;
+ iface->can_get_text = pdf_document_can_get_text;
};
static void
has_thumb = poppler_page_get_thumbnail_size (poppler_page, width, height);
if (!has_thumb) {
- int page_width, page_height;
-
- get_size_from_page (poppler_page, 1.0, &page_width, &page_height);
+ double page_width, page_height;
+ poppler_page_get_size (poppler_page, &page_width, &page_height);
if (page_width > page_height) {
*width = size;
*height = (int) (size * page_height / page_width);
iface->get_dimensions = pdf_document_thumbnails_get_dimensions;
}
+
+static gboolean
+pdf_document_search_idle_callback (void *data)
+{
+ PdfDocumentSearch *search = (PdfDocumentSearch*) data;
+ PdfDocument *pdf_document = search->document;
+ int n_pages, changed_page;
+ GList *matches;
+ PopplerPage *page;
+
+ page = poppler_document_get_page (search->document->document,
+ search->search_page);
+
+ g_mutex_lock (EV_DOC_MUTEX);
+ matches = poppler_page_find_text (page, search->text);
+ g_mutex_unlock (EV_DOC_MUTEX);
+
+ search->pages[search->search_page] = matches;
+ n_pages = pdf_document_get_n_pages (EV_DOCUMENT (search->document));
+
+ changed_page = search->search_page;
+ search->search_page += 1;
+ if (search->search_page == n_pages) {
+ /* wrap around */
+ search->search_page = 0;
+ }
+
+ if (search->search_page != search->start_page) {
+ ev_document_find_changed (EV_DOCUMENT_FIND (pdf_document),
+ changed_page);
+ return TRUE;
+ }
+
+ /* We're done. */
+ search->idle = 0; /* will return FALSE to remove */
+ return FALSE;
+}
+
+
+static PdfDocumentSearch *
+pdf_document_search_new (PdfDocument *pdf_document,
+ int start_page,
+ const char *text)
+{
+ PdfDocumentSearch *search;
+ int n_pages;
+ int i;
+
+ n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document));
+
+ search = g_new0 (PdfDocumentSearch, 1);
+
+ search->text = g_strdup (text);
+ search->pages = g_new0 (GList *, n_pages);
+ for (i = 0; i < n_pages; i++) {
+ search->pages[i] = NULL;
+ }
+
+ search->document = pdf_document;
+
+ /* We add at low priority so the progress bar repaints */
+ search->idle = g_idle_add_full (G_PRIORITY_LOW,
+ pdf_document_search_idle_callback,
+ search,
+ NULL);
+
+ search->start_page = start_page;
+ search->search_page = start_page;
+
+ return search;
+}
+
+static void
+pdf_document_search_free (PdfDocumentSearch *search)
+{
+ PdfDocument *pdf_document = search->document;
+ int n_pages;
+ int i;
+
+ if (search->idle != 0)
+ g_source_remove (search->idle);
+
+ n_pages = pdf_document_get_n_pages (EV_DOCUMENT (pdf_document));
+ for (i = 0; i < n_pages; i++) {
+ g_list_foreach (search->pages[i], (GFunc) g_free, NULL);
+ g_list_free (search->pages[i]);
+ }
+
+ g_free (search->text);
+}
+
+static void
+pdf_document_find_begin (EvDocumentFind *document,
+ int page,
+ const char *search_string,
+ gboolean case_sensitive)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+
+ /* FIXME handle case_sensitive (right now XPDF
+ * code is always case insensitive for ASCII
+ * and case sensitive for all other languaages)
+ */
+
+ if (pdf_document->search &&
+ strcmp (search_string, pdf_document->search->text) == 0)
+ return;
+
+ if (pdf_document->search)
+ pdf_document_search_free (pdf_document->search);
+
+ pdf_document->search = pdf_document_search_new (pdf_document,
+ page,
+ search_string);
+}
+
+int
+pdf_document_find_get_n_results (EvDocumentFind *document_find, int page)
+{
+ PdfDocumentSearch *search = PDF_DOCUMENT (document_find)->search;
+ int current_page;
+
+ if (search) {
+ return g_list_length (search->pages[page]);
+ } else {
+ return 0;
+ }
+}
+
+gboolean
+pdf_document_find_get_result (EvDocumentFind *document_find,
+ int page,
+ int n_result,
+ EvRectangle *rectangle)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document_find);
+ PdfDocumentSearch *search = pdf_document->search;
+ PopplerPage *poppler_page;
+ PopplerRectangle *r;
+ int current_page;
+ double height;
+
+ if (search == NULL)
+ return FALSE;
+
+ r = (PopplerRectangle *) g_list_nth_data (search->pages[page],
+ n_result);
+ if (r == NULL)
+ return FALSE;
+
+ poppler_page = poppler_document_get_page (pdf_document->document, page);
+ poppler_page_get_size (poppler_page, NULL, &height);
+ rectangle->x1 = r->x1;
+ rectangle->y1 = height - r->y2;
+ rectangle->x2 = r->x2;
+ rectangle->y2 = height - r->y1;
+
+ return TRUE;
+}
+
+int
+pdf_document_find_page_has_results (EvDocumentFind *document_find,
+ int page)
+{
+ PdfDocumentSearch *search = PDF_DOCUMENT (document_find)->search;
+
+ g_return_val_if_fail (search != NULL, FALSE);
+
+ return search->pages[page] != NULL;
+}
+
+double
+pdf_document_find_get_progress (EvDocumentFind *document_find)
+{
+ PdfDocumentSearch *search;
+ int n_pages, pages_done;
+
+ search = PDF_DOCUMENT (document_find)->search;
+
+ if (search == NULL) {
+ return 0;
+ }
+
+ n_pages = pdf_document_get_n_pages (EV_DOCUMENT (document_find));
+ if (search->search_page > search->start_page) {
+ pages_done = search->search_page - search->start_page + 1;
+ } else if (search->search_page == search->start_page) {
+ pages_done = n_pages;
+ } else {
+ pages_done = n_pages - search->start_page + search->search_page;
+ }
+
+ return pages_done / (double) n_pages;
+}
+
+static void
+pdf_document_find_cancel (EvDocumentFind *document)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (document);
+
+ if (pdf_document->search) {
+ pdf_document_search_free (pdf_document->search);
+ pdf_document->search = NULL;
+ }
+}
+
+static void
+pdf_document_find_iface_init (EvDocumentFindIface *iface)
+{
+ iface->begin = pdf_document_find_begin;
+ iface->get_n_results = pdf_document_find_get_n_results;
+ iface->get_result = pdf_document_find_get_result;
+ iface->page_has_results = pdf_document_find_page_has_results;
+ iface->get_progress = pdf_document_find_get_progress;
+ iface->cancel = pdf_document_find_cancel;
+}
+
+static void
+pdf_document_ps_exporter_begin (EvPSExporter *exporter, const char *filename)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
+ int n_pages;
+
+ n_pages = pdf_document_get_n_pages (EV_DOCUMENT (exporter));
+ pdf_document->ps_file = poppler_ps_file_new (pdf_document->document,
+ filename, n_pages);
+}
+
+static void
+pdf_document_ps_exporter_do_page (EvPSExporter *exporter, int page)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
+ PopplerPage *poppler_page;
+
+ g_return_if_fail (pdf_document->ps_file != NULL);
+
+ poppler_page = poppler_document_get_page (pdf_document->document, page);
+ poppler_page_render_to_ps (poppler_page, pdf_document->ps_file);
+}
+
+static void
+pdf_document_ps_exporter_end (EvPSExporter *exporter)
+{
+ PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
+
+ poppler_ps_file_free (pdf_document->ps_file);
+ pdf_document->ps_file = NULL;
+}
+
+static void
+pdf_document_ps_exporter_iface_init (EvPSExporterIface *iface)
+{
+ iface->begin = pdf_document_ps_exporter_begin;
+ iface->do_page = pdf_document_ps_exporter_do_page;
+ iface->end = pdf_document_ps_exporter_end;
+}
+
PdfDocument *
pdf_document_new (void)
{