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-rw-r--r--backend/pdf/ev-poppler.cc217
1 files changed, 200 insertions, 17 deletions
diff --git a/backend/pdf/ev-poppler.cc b/backend/pdf/ev-poppler.cc
index 70af88e..4c16d22 100644
--- a/backend/pdf/ev-poppler.cc
+++ b/backend/pdf/ev-poppler.cc
@@ -45,6 +45,7 @@
#include "ev-document-transition.h"
#include "ev-document-forms.h"
#include "ev-document-layers.h"
+#include "ev-document-annotations.h"
#include "ev-selection.h"
#include "ev-transition-effect.h"
#include "ev-attachment.h"
@@ -104,23 +105,24 @@ struct _PdfDocument
GList *layers;
};
-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_document_images_iface_init (EvDocumentImagesIface *iface);
-static void pdf_document_document_forms_iface_init (EvDocumentFormsIface *iface);
-static void pdf_document_document_fonts_iface_init (EvDocumentFontsIface *iface);
-static void pdf_document_document_layers_iface_init (EvDocumentLayersIface *iface);
-static void pdf_document_find_iface_init (EvDocumentFindIface *iface);
-static void pdf_document_file_exporter_iface_init (EvFileExporterIface *iface);
-static void pdf_selection_iface_init (EvSelectionIface *iface);
-static void pdf_document_page_transition_iface_init (EvDocumentTransitionIface *iface);
-static void pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails,
- EvRenderContext *rc,
- gint *width,
- gint *height);
-static int pdf_document_get_n_pages (EvDocument *document);
+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_document_images_iface_init (EvDocumentImagesIface *iface);
+static void pdf_document_document_forms_iface_init (EvDocumentFormsIface *iface);
+static void pdf_document_document_fonts_iface_init (EvDocumentFontsIface *iface);
+static void pdf_document_document_layers_iface_init (EvDocumentLayersIface *iface);
+static void pdf_document_document_annotations_iface_init (EvDocumentAnnotationsIface *iface);
+static void pdf_document_find_iface_init (EvDocumentFindIface *iface);
+static void pdf_document_file_exporter_iface_init (EvFileExporterIface *iface);
+static void pdf_selection_iface_init (EvSelectionIface *iface);
+static void pdf_document_page_transition_iface_init (EvDocumentTransitionIface *iface);
+static void pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnails,
+ EvRenderContext *rc,
+ gint *width,
+ gint *height);
+static int pdf_document_get_n_pages (EvDocument *document);
static EvLinkDest *ev_link_dest_from_dest (PdfDocument *pdf_document,
PopplerDest *dest);
@@ -145,6 +147,8 @@ EV_BACKEND_REGISTER_WITH_CODE (PdfDocument, pdf_document,
pdf_document_document_fonts_iface_init);
EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LAYERS,
pdf_document_document_layers_iface_init);
+ EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_ANNOTATIONS,
+ pdf_document_document_annotations_iface_init);
EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND,
pdf_document_find_iface_init);
EV_BACKEND_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER,
@@ -2331,6 +2335,185 @@ pdf_document_document_forms_iface_init (EvDocumentFormsIface *iface)
iface->form_field_choice_get_text = pdf_document_forms_form_field_choice_get_text;
}
+/* Annotations */
+static void
+poppler_annot_color_to_gdk_color (PopplerAnnot *poppler_annot,
+ GdkColor *color)
+{
+ PopplerColor *poppler_color;
+
+ poppler_color = poppler_annot_get_color (poppler_annot);
+ if (poppler_color) {
+ color->red = poppler_color->red;
+ color->green = poppler_color->green;
+ color->blue = poppler_color->blue;
+
+ g_free (poppler_color);
+ } /* TODO: else use a default color */
+}
+
+static EvAnnotation *
+ev_annot_from_poppler_annot (PopplerAnnot *poppler_annot,
+ EvPage *page)
+{
+ EvAnnotation *ev_annot = NULL;
+ const gchar *unimplemented_annot = NULL;
+
+ switch (poppler_annot_get_annot_type (poppler_annot)) {
+ case POPPLER_ANNOT_TEXT:
+ PopplerAnnotText *poppler_text;
+ EvAnnotationText *ev_annot_text;
+
+ poppler_text = POPPLER_ANNOT_TEXT (poppler_annot);
+
+ ev_annot = ev_annotation_text_new (page);
+
+ ev_annot_text = EV_ANNOTATION_TEXT (ev_annot);
+ ev_annot_text->is_open = poppler_annot_text_get_is_open (poppler_text);
+
+ break;
+ case POPPLER_ANNOT_LINK:
+ case POPPLER_ANNOT_WIDGET:
+ /* Ignore link and widgets annots since they are already handled */
+ break;
+ default: {
+ GEnumValue *enum_value;
+
+ enum_value = g_enum_get_value ((GEnumClass *) g_type_class_ref (POPPLER_TYPE_ANNOT_TYPE),
+ poppler_annot_get_annot_type (poppler_annot));
+ unimplemented_annot = enum_value ? enum_value->value_name : "Unknown annotation";
+ }
+ }
+
+ if (unimplemented_annot) {
+ g_warning ("Unimplemented annotation: %s, please post a "
+ "bug report in Evince bugzilla "
+ "(http://bugzilla.gnome.org) with a testcase.",
+ unimplemented_annot);
+ }
+
+ if (ev_annot) {
+ ev_annot->contents = poppler_annot_get_contents (poppler_annot);
+ ev_annot->name = poppler_annot_get_name (poppler_annot);
+ ev_annot->modified = poppler_annot_get_modified (poppler_annot);
+ poppler_annot_color_to_gdk_color (poppler_annot, &ev_annot->color);
+
+ if (POPPLER_IS_ANNOT_MARKUP (poppler_annot)) {
+ PopplerAnnotMarkup *markup;
+ gchar *label;
+ gdouble opacity;
+ gboolean is_open;
+ PopplerRectangle poppler_rect;
+
+ markup = POPPLER_ANNOT_MARKUP (poppler_annot);
+
+ if (poppler_annot_markup_get_popup_rectangle (markup, &poppler_rect)) {
+ EvRectangle ev_rect;
+ gdouble height;
+
+ poppler_page_get_size (POPPLER_PAGE (page->backend_page),
+ NULL, &height);
+ ev_rect.x1 = poppler_rect.x1;
+ ev_rect.x2 = poppler_rect.x2;
+ ev_rect.y1 = height - poppler_rect.y2;
+ ev_rect.y2 = height - poppler_rect.y1;
+
+ g_object_set (ev_annot, "rectangle", &ev_rect, NULL);
+ }
+
+ label = poppler_annot_markup_get_label (markup);
+ opacity = poppler_annot_markup_get_opacity (markup);
+ is_open = poppler_annot_markup_get_popup_is_open (markup);
+
+ g_object_set (ev_annot,
+ "label", label,
+ "opacity", opacity,
+ "is_open", is_open,
+ NULL);
+
+ g_free (label);
+ }
+ }
+
+ return ev_annot;
+}
+
+static GList *
+pdf_document_annotations_get_annotations (EvDocumentAnnotations *document_annotations,
+ EvPage *page)
+{
+ GList *retval = NULL;
+ PdfDocument *pdf_document;
+ PopplerPage *poppler_page;
+ GList *annots;
+ GList *list;
+ gdouble height;
+ gint i = 0;
+
+ pdf_document = PDF_DOCUMENT (document_annotations);
+ poppler_page = POPPLER_PAGE (page->backend_page);
+ annots = poppler_page_get_annot_mapping (poppler_page);
+ poppler_page_get_size (poppler_page, NULL, &height);
+
+ for (list = annots; list; list = list->next) {
+ PopplerAnnotMapping *mapping;
+ EvAnnotationMapping *annot_mapping;
+ EvAnnotation *ev_annot;
+
+ mapping = (PopplerAnnotMapping *)list->data;
+
+ ev_annot = ev_annot_from_poppler_annot (mapping->annot, page);
+ if (!ev_annot)
+ continue;
+
+ i++;
+
+ /* Make sure annot has a unique name */
+ if (!ev_annot->name)
+ ev_annot->name = g_strdup_printf ("annot-%d-%d", page->index, i);
+
+ annot_mapping = g_new0 (EvAnnotationMapping, 1);
+ annot_mapping->x1 = mapping->area.x1;
+ annot_mapping->x2 = mapping->area.x2;
+ annot_mapping->y1 = height - mapping->area.y2;
+ annot_mapping->y2 = height - mapping->area.y1;
+ annot_mapping->annotation = ev_annot;
+
+ g_object_set_data_full (G_OBJECT (ev_annot),
+ "poppler-annot",
+ g_object_ref (mapping->annot),
+ (GDestroyNotify) g_object_unref);
+
+ retval = g_list_prepend (retval, annot_mapping);
+ }
+
+ poppler_page_free_annot_mapping (annots);
+
+ return g_list_reverse (retval);
+}
+
+static void
+pdf_document_annotations_annotation_set_contents (EvDocumentAnnotations *document,
+ EvAnnotation *annot,
+ const gchar *contents)
+{
+ PopplerAnnot *poppler_annot;
+
+ poppler_annot = POPPLER_ANNOT (g_object_get_data (G_OBJECT (annot), "poppler-annot"));
+ if (!poppler_annot)
+ return;
+
+ poppler_annot_set_contents (poppler_annot, contents);
+ PDF_DOCUMENT (document)->modified = TRUE;
+}
+
+static void
+pdf_document_document_annotations_iface_init (EvDocumentAnnotationsIface *iface)
+{
+ iface->get_annotations = pdf_document_annotations_get_annotations;
+ iface->annotation_set_contents = pdf_document_annotations_annotation_set_contents;
+}
+
/* Layers */
static gboolean
pdf_document_layers_has_layers (EvDocumentLayers *document)
generated by cgit v0.9.1 at 2024-04-18 11:46:24 (GMT)