X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=pdf%2Fev-poppler.cc;h=7b55b08cbdbc2ec286351c20349c15741ff6d3fa;hb=c15e43c17dc5cacdccde753279bb4ae2b7441747;hp=e1ce95a41c0e5d10e99299b656907071cd65cc7c;hpb=40189c94ae17f6c54a8e28d37755f5d596a4cd4f;p=evince.git

diff --git a/pdf/ev-poppler.cc b/pdf/ev-poppler.cc
index e1ce95a4..7b55b08c 100644
--- a/pdf/ev-poppler.cc
+++ b/pdf/ev-poppler.cc
@@ -32,13 +32,6 @@
 #include "ev-document-security.h"
 #include "ev-document-thumbnails.h"
 
-
-enum {
-	PROP_0,
-	PROP_TITLE
-};
-
-
 typedef struct {
 	PdfDocument *document;
 	char *text;
@@ -58,8 +51,7 @@ struct _PdfDocument
 	GObject parent_instance;
 
 	PopplerDocument *document;
-	PopplerPage *page;
-	double scale;
+	PopplerPSFile *ps_file;
 	gchar *password;
 
 	PdfDocumentSearch *search;
@@ -70,6 +62,7 @@ static void pdf_document_security_iface_init            (EvDocumentSecurityIface
 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,
@@ -90,51 +83,18 @@ G_DEFINE_TYPE_WITH_CODE (PdfDocument, pdf_document, G_TYPE_OBJECT,
 							pdf_document_document_links_iface_init);
 				 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND,
 							pdf_document_find_iface_init);
-#if 0
 				 G_IMPLEMENT_INTERFACE (EV_TYPE_PS_EXPORTER,
 							pdf_document_ps_exporter_iface_init);
-#endif
 			 });
 
-
-
-
-
-
-static void
-pdf_document_get_property (GObject *object,
-		           guint prop_id,
-		           GValue *value,
-		           GParamSpec *pspec)
-{
-	PdfDocument *pdf_document = PDF_DOCUMENT (object);
-
-	switch (prop_id)
-	{
-		case PROP_TITLE:
-			if (pdf_document->document == NULL)
-				g_value_set_string (value, NULL);
-			else
-				g_object_get_property (G_OBJECT (pdf_document->document), "title", value);
-			break;
-	}
-}
-
 static void
 pdf_document_class_init (PdfDocumentClass *klass)
 {
-	GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
-
-	gobject_class->get_property = pdf_document_get_property;
-
-	g_object_class_override_property (gobject_class, PROP_TITLE, "title");
 }
 
 static void
 pdf_document_init (PdfDocument *pdf_document)
 {
-	pdf_document->page = NULL;
-	pdf_document->scale = 1.0;
 	pdf_document->password = NULL;
 }
 
@@ -208,87 +168,31 @@ pdf_document_get_n_pages (EvDocument *document)
 	return poppler_document_get_n_pages (PDF_DOCUMENT (document)->document);
 }
 
-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 (document)->scale = scale;
-}
-
-
-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);
-
-}
-
 static void
 pdf_document_get_page_size (EvDocument   *document,
 			    int           page,
-			    int          *width,
-			    int          *height)
+			    double       *width,
+			    double       *height)
 {
-	PopplerPage *poppler_page = NULL;
-
-	if (page == -1)
-		poppler_page = PDF_DOCUMENT (document)->page;
-	else
-		poppler_page = poppler_document_get_page (PDF_DOCUMENT (document)->document,
-							  page);
+	PopplerPage *poppler_page;
 
-	if (poppler_page == NULL)
-		poppler_document_get_page (PDF_DOCUMENT (document)->document, 0);
+	poppler_page = poppler_document_get_page (PDF_DOCUMENT (document)->document,
+						  page);
 
-	get_size_from_page (poppler_page,
-			    PDF_DOCUMENT (document)->scale,
-			    width, height);
+	poppler_page_get_size (poppler_page, width, 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);
 
-	g_object_get (poppler_page,
+	g_object_get (G_OBJECT (poppler_page),
 		      "label", &label,
 		      NULL);
 
@@ -296,19 +200,21 @@ pdf_document_get_page_label (EvDocument *document,
 }
 
 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;
@@ -333,27 +239,32 @@ pdf_document_get_links (EvDocument *document)
 			
 
 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);
 
@@ -381,7 +292,130 @@ pdf_document_set_password (EvDocumentSecurity *document_security,
 	document->password = g_strdup (password);
 }
 
+static gboolean
+pdf_document_can_get_text (EvDocument *document)
+{
+	return TRUE;
+}
 
+static EvDocumentInfo *
+pdf_document_get_info (EvDocument *document)
+{
+	EvDocumentInfo *info;
+	PopplerPageLayout layout;
+	PopplerPageMode mode;
+	PopplerViewerPreferences view_prefs;
+
+	info = g_new0 (EvDocumentInfo, 1);
+
+	info->fields_mask = EV_DOCUMENT_INFO_TITLE |
+			    EV_DOCUMENT_INFO_FORMAT |
+			    EV_DOCUMENT_INFO_AUTHOR |
+			    EV_DOCUMENT_INFO_SUBJECT |
+			    EV_DOCUMENT_INFO_KEYWORDS |
+			    EV_DOCUMENT_INFO_LAYOUT |
+			    EV_DOCUMENT_INFO_START_MODE |
+			    /* Missing EV_DOCUMENT_INFO_CREATION_DATE | */
+			    EV_DOCUMENT_INFO_UI_HINTS;
+
+
+	g_object_get (PDF_DOCUMENT (document)->document,
+		      "title", &(info->title),
+		      "format", &(info->format),
+		      "author", &(info->author),
+		      "subject", &(info->subject),
+		      "keywords", &(info->keywords),
+		      "page-mode", &mode,
+		      "page-layout", &layout,
+		      "viewer-preferences", &view_prefs,
+		      NULL);
+
+	switch (layout) {
+		case POPPLER_PAGE_LAYOUT_SINGLE_PAGE:
+			info->layout = EV_DOCUMENT_LAYOUT_SINGLE_PAGE;
+			break;
+		case POPPLER_PAGE_LAYOUT_ONE_COLUMN:
+			info->layout = EV_DOCUMENT_LAYOUT_ONE_COLUMN;
+			break;
+		case POPPLER_PAGE_LAYOUT_TWO_COLUMN_LEFT:
+			info->layout = EV_DOCUMENT_LAYOUT_TWO_COLUMN_LEFT;
+			break;
+		case POPPLER_PAGE_LAYOUT_TWO_COLUMN_RIGHT:
+			info->layout = EV_DOCUMENT_LAYOUT_TWO_COLUMN_RIGHT;
+		case POPPLER_PAGE_LAYOUT_TWO_PAGE_LEFT:
+			info->layout = EV_DOCUMENT_LAYOUT_TWO_PAGE_LEFT;
+			break;
+		case POPPLER_PAGE_LAYOUT_TWO_PAGE_RIGHT:
+			info->layout = EV_DOCUMENT_LAYOUT_TWO_PAGE_RIGHT;
+			break;
+	        default:
+			break;
+	}
+
+	switch (mode) {
+		case POPPLER_PAGE_MODE_NONE:
+			info->mode = EV_DOCUMENT_MODE_NONE;
+			break;
+		case POPPLER_PAGE_MODE_USE_THUMBS:
+			info->mode = EV_DOCUMENT_MODE_USE_THUMBS;
+			break;
+		case POPPLER_PAGE_MODE_USE_OC:
+			info->mode = EV_DOCUMENT_MODE_USE_OC;
+			break;
+		case POPPLER_PAGE_MODE_FULL_SCREEN:
+			info->mode = EV_DOCUMENT_MODE_FULL_SCREEN;
+			break;
+		case POPPLER_PAGE_MODE_USE_ATTACHMENTS:
+			info->mode = EV_DOCUMENT_MODE_USE_ATTACHMENTS;
+	        default:
+			break;
+	}
+
+	info->ui_hints = 0;
+	if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_TOOLBAR) {
+		info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_TOOLBAR;
+	}
+	if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_MENUBAR) {
+		info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_MENUBAR;
+	}
+	if (view_prefs & POPPLER_VIEWER_PREFERENCES_HIDE_WINDOWUI) {
+		info->ui_hints |= EV_DOCUMENT_UI_HINT_HIDE_WINDOWUI;
+	}
+	if (view_prefs & POPPLER_VIEWER_PREFERENCES_FIT_WINDOW) {
+		info->ui_hints |= EV_DOCUMENT_UI_HINT_FIT_WINDOW;
+	}
+	if (view_prefs & POPPLER_VIEWER_PREFERENCES_CENTER_WINDOW) {
+		info->ui_hints |= EV_DOCUMENT_UI_HINT_CENTER_WINDOW;
+	}
+	if (view_prefs & POPPLER_VIEWER_PREFERENCES_DISPLAY_DOC_TITLE) {
+		info->ui_hints |= EV_DOCUMENT_UI_HINT_DISPLAY_DOC_TITLE;
+	}
+	if (view_prefs & POPPLER_VIEWER_PREFERENCES_DIRECTION_RTL) {
+		info->ui_hints |=  EV_DOCUMENT_UI_HINT_DIRECTION_RTL;
+	}
+
+	return info;
+}
+
+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)
@@ -389,13 +423,13 @@ 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;
+	iface->get_info = pdf_document_get_info;
 };
 
 static void
@@ -599,10 +633,9 @@ pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnail
 	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);
@@ -626,22 +659,22 @@ pdf_document_search_idle_callback (void *data)
 {
         PdfDocumentSearch *search = (PdfDocumentSearch*) data;
         PdfDocument *pdf_document = search->document;
-        int n_pages, changed_page;
+        int n_pages;
 	GList *matches;
 	PopplerPage *page;
 
 	page = poppler_document_get_page (search->document->document,
 					  search->search_page);
 
-	g_mutex_lock (EV_DOC_MUTEX);
+	ev_document_doc_mutex_lock ();
 	matches = poppler_page_find_text (page, search->text);
-	g_mutex_unlock (EV_DOC_MUTEX);
+	ev_document_doc_mutex_unlock ();
 
 	search->pages[search->search_page] = matches;
-        n_pages = pdf_document_get_n_pages (EV_DOCUMENT (search->document));
-
-	changed_page = search->start_page;
+	ev_document_find_changed (EV_DOCUMENT_FIND (pdf_document),
+				  search->search_page);
 
+        n_pages = pdf_document_get_n_pages (EV_DOCUMENT (search->document));
         search->search_page += 1;
         if (search->search_page == n_pages) {
                 /* wrap around */
@@ -649,8 +682,6 @@ pdf_document_search_idle_callback (void *data)
         }
 
         if (search->search_page != search->start_page) {
-	        ev_document_find_changed (EV_DOCUMENT_FIND (pdf_document),
-					  changed_page);
 	        return TRUE;
 	}
 
@@ -661,7 +692,9 @@ pdf_document_search_idle_callback (void *data)
 
 
 static PdfDocumentSearch *
-pdf_document_search_new (PdfDocument *pdf_document, const char *text)
+pdf_document_search_new (PdfDocument *pdf_document,
+			 int          start_page,
+			 const char  *text)
 {
 	PdfDocumentSearch *search;
 	int n_pages;
@@ -685,8 +718,8 @@ pdf_document_search_new (PdfDocument *pdf_document, const char *text)
                                         search,
                                         NULL);
 
-        search->start_page = pdf_document_get_page (EV_DOCUMENT (pdf_document));
-        search->search_page = search->start_page;
+        search->start_page = start_page;
+        search->search_page = start_page;
 
 	return search;
 }
@@ -712,6 +745,7 @@ pdf_document_search_free (PdfDocumentSearch   *search)
 
 static void
 pdf_document_find_begin (EvDocumentFind   *document,
+			 int               page,
                          const char       *search_string,
                          gboolean          case_sensitive)
 {
@@ -730,19 +764,17 @@ pdf_document_find_begin (EvDocumentFind   *document,
                 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)
+pdf_document_find_get_n_results (EvDocumentFind *document_find, int page)
 {
 	PdfDocumentSearch *search = PDF_DOCUMENT (document_find)->search;
-	int current_page;
-
-	current_page = pdf_document_get_page (EV_DOCUMENT (document_find));
 
 	if (search) {
-		return g_list_length (search->pages[current_page]);
+		return g_list_length (search->pages[page]);
 	} else {
 		return 0;
 	}
@@ -750,29 +782,30 @@ pdf_document_find_get_n_results (EvDocumentFind *document_find)
 
 gboolean
 pdf_document_find_get_result (EvDocumentFind *document_find,
+			      int             page,
 			      int             n_result,
-			      GdkRectangle   *rectangle)
+			      EvRectangle    *rectangle)
 {
 	PdfDocument *pdf_document = PDF_DOCUMENT (document_find);
 	PdfDocumentSearch *search = pdf_document->search;
+	PopplerPage *poppler_page;
 	PopplerRectangle *r;
-	int current_page;
-	double scale;
+	double height;
 
 	if (search == NULL)
 		return FALSE;
 
-	current_page = pdf_document_get_page (EV_DOCUMENT (pdf_document));
-	r = (PopplerRectangle *) g_list_nth_data (search->pages[current_page],
+	r = (PopplerRectangle *) g_list_nth_data (search->pages[page],
 						  n_result);
 	if (r == NULL)
 		return FALSE;
 
-	scale = pdf_document->scale;
-	rectangle->x = (gint) floor (r->x1 * scale);
-	rectangle->y = (gint) floor (r->y1 * scale);
-	rectangle->width = (gint) ceil (r->x2 * scale) - rectangle->x;
-	rectangle->height = (gint) ceil (r->y2 * scale) - rectangle->y;
+	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;
 }
@@ -834,6 +867,45 @@ pdf_document_find_iface_init (EvDocumentFindIface *iface)
         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)