Added. Returns whether the animation has everything necessary to run. Do

[evince.git] / backend / djvu / djvu-document.c

diff --git a/backend/djvu/djvu-document.c b/backend/djvu/djvu-document.c
index a8f04254d8fd8374f1c5190b260622ea744cde3b..6e1c5f3c378287d4eb9524acb4d6a9643f0e9c16 100644 (file)
--- a/backend/djvu/djvu-document.c
+++ b/backend/djvu/djvu-document.c
@@ -17,6 +17,9 @@
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 
  * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
  */
 

+#include "config.h"
+
+#include <config.h>

 #include "djvu-document.h"
 #include "djvu-text.h"
 #include "djvu-links.h"
 #include "djvu-document.h"
 #include "djvu-text.h"
 #include "djvu-links.h"


@@ -26,6 +29,8 @@
 #include "ev-document-misc.h"
 #include "ev-document-find.h"
 #include "ev-document-links.h"
 #include "ev-document-misc.h"
 #include "ev-document-find.h"
 #include "ev-document-links.h"

+#include "ev-selection.h"
+#include "ev-file-helpers.h"

 
 #include <gdk-pixbuf/gdk-pixbuf-core.h>
 #include <glib/gi18n.h>
 
 #include <gdk-pixbuf/gdk-pixbuf-core.h>
 #include <glib/gi18n.h>


@@ -51,15 +56,15 @@ static void djvu_document_document_thumbnails_iface_init (EvDocumentThumbnailsIf
 static void djvu_document_file_exporter_iface_init (EvFileExporterIface *iface);
 static void djvu_document_find_iface_init (EvDocumentFindIface *iface);
 static void djvu_document_document_links_iface_init  (EvDocumentLinksIface *iface);
 static void djvu_document_file_exporter_iface_init (EvFileExporterIface *iface);
 static void djvu_document_find_iface_init (EvDocumentFindIface *iface);
 static void djvu_document_document_links_iface_init  (EvDocumentLinksIface *iface);

+static void djvu_selection_iface_init (EvSelectionIface *iface);

 
 

-G_DEFINE_TYPE_WITH_CODE 
-    (DjvuDocument, djvu_document, G_TYPE_OBJECT, 
+EV_BACKEND_REGISTER_WITH_CODE (DjvuDocument, djvu_document,

     {
     {

-      G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT, djvu_document_document_iface_init);    

       G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, djvu_document_document_thumbnails_iface_init);
       G_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER, djvu_document_file_exporter_iface_init);
       G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND, djvu_document_find_iface_init);
       G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS, djvu_document_document_links_iface_init);
       G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS, djvu_document_document_thumbnails_iface_init);
       G_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER, djvu_document_file_exporter_iface_init);
       G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND, djvu_document_find_iface_init);
       G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS, djvu_document_document_links_iface_init);

+      G_IMPLEMENT_INTERFACE (EV_TYPE_SELECTION, djvu_selection_iface_init);

      });
 
 
      });
 
 


@@ -216,13 +221,14 @@ djvu_document_render (EvDocument      *document,
                      EvRenderContext *rc)
 {
        DjvuDocument *djvu_document = DJVU_DOCUMENT (document);
                      EvRenderContext *rc)
 {
        DjvuDocument *djvu_document = DJVU_DOCUMENT (document);

-       cairo_surface_t *surface, *rotated_surface;
+       cairo_surface_t *surface;

        gchar *pixels;
        gint   rowstride;
        ddjvu_rect_t rrect;
        ddjvu_rect_t prect;
        ddjvu_page_t *d_page;
        gchar *pixels;
        gint   rowstride;
        ddjvu_rect_t rrect;
        ddjvu_rect_t prect;
        ddjvu_page_t *d_page;

-       double page_width, page_height;
+       ddjvu_page_rotation_t rotation;
+       double page_width, page_height, tmp;

        static const cairo_user_data_key_t key;
 
        d_page = ddjvu_page_create_by_pageno (djvu_document->d_document, rc->page);
        static const cairo_user_data_key_t key;
 
        d_page = ddjvu_page_create_by_pageno (djvu_document->d_document, rc->page);


@@ -232,11 +238,37 @@ djvu_document_render (EvDocument      *document,
 
        page_width = ddjvu_page_get_width (d_page) * rc->scale * SCALE_FACTOR + 0.5;
        page_height = ddjvu_page_get_height (d_page) * rc->scale * SCALE_FACTOR + 0.5;
 
        page_width = ddjvu_page_get_width (d_page) * rc->scale * SCALE_FACTOR + 0.5;
        page_height = ddjvu_page_get_height (d_page) * rc->scale * SCALE_FACTOR + 0.5;

-
+       
+       switch (rc->rotation) {
+               case 90:
+                       rotation = DDJVU_ROTATE_90;
+                       tmp = page_height;
+                       page_height = page_width;
+                       page_width = tmp;
+                       
+                       break;
+               case 180:
+                       rotation = DDJVU_ROTATE_180;
+                       
+                       break;
+               case 270:
+                       rotation = DDJVU_ROTATE_270;
+                       tmp = page_height;
+                       page_height = page_width;
+                       page_width = tmp;
+                       
+                       break;
+               default:
+                       rotation = DDJVU_ROTATE_0;
+       }
+#ifdef HAVE_CAIRO_FORMAT_STRIDE_FOR_WIDTH
+       rowstride = cairo_format_stride_for_width (CAIRO_FORMAT_RGB24, page_width);
+#else

        rowstride = page_width * 4;
        rowstride = page_width * 4;

+#endif

        pixels = (gchar *) g_malloc (page_height * rowstride);
        pixels = (gchar *) g_malloc (page_height * rowstride);

-       surface = cairo_image_surface_create_for_data (pixels,
-                                                      CAIRO_FORMAT_ARGB32,
+       surface = cairo_image_surface_create_for_data ((guchar *)pixels,
+                                                      CAIRO_FORMAT_RGB24,

                                                       page_width,
                                                       page_height,
                                                       rowstride);
                                                       page_width,
                                                       page_height,
                                                       rowstride);


@@ -248,6 +280,8 @@ djvu_document_render (EvDocument      *document,
        prect.h = page_height;
        rrect = prect;
 
        prect.h = page_height;
        rrect = prect;
 

+       ddjvu_page_set_rotation (d_page, rotation);
+       

        ddjvu_page_render (d_page, DDJVU_RENDER_COLOR,
                           &prect,
                           &rrect,
        ddjvu_page_render (d_page, DDJVU_RENDER_COLOR,
                           &prect,
                           &rrect,


@@ -255,13 +289,7 @@ djvu_document_render (EvDocument      *document,
                           rowstride,
                           pixels);
 
                           rowstride,
                           pixels);
 

-       rotated_surface = ev_document_misc_surface_rotate_and_scale (surface,
-                                                                    page_width,
-                                                                    page_height,
-                                                                    rc->rotation);
-       cairo_surface_destroy (surface);
-
-       return rotated_surface;
+       return surface;

 }
 
 static void
 }
 
 static void


@@ -269,6 +297,9 @@ djvu_document_finalize (GObject *object)
 {
        DjvuDocument *djvu_document = DJVU_DOCUMENT (object);
 
 {
        DjvuDocument *djvu_document = DJVU_DOCUMENT (object);
 

+       if (djvu_document->search)
+           djvu_text_free (djvu_document->search);
+

        if (djvu_document->d_document)
            ddjvu_document_release (djvu_document->d_document);
            
        if (djvu_document->d_document)
            ddjvu_document_release (djvu_document->d_document);
            


@@ -294,35 +325,6 @@ djvu_document_class_init (DjvuDocumentClass *klass)
        gobject_class->finalize = djvu_document_finalize;
 }
 
        gobject_class->finalize = djvu_document_finalize;
 }
 

-static gboolean
-djvu_document_can_get_text (EvDocument *document)
-{
-       return TRUE;
-}
-
-
-static char *
-djvu_document_get_text (EvDocument *document, int page, EvRectangle *rect)
-{
-       DjvuDocument *djvu_document = DJVU_DOCUMENT (document);
-       double width, height;
-       EvRectangle rectangle;
-       char* text;
-            
-       djvu_document_get_page_size (document, page, &width, &height);          
-       rectangle.x1 = rect->x1 / SCALE_FACTOR;
-       rectangle.y1 = (height - rect->y2) / SCALE_FACTOR;
-       rectangle.x2 = rect->x2 / SCALE_FACTOR;
-       rectangle.y2 = (height - rect->y1) / SCALE_FACTOR;
-               
-       text = djvu_text_copy (djvu_document, page, &rectangle);
-      
-       if (text == NULL)
-               text = g_strdup ("");
-               
-       return text;
-}
-

 static EvDocumentInfo *
 djvu_document_get_info (EvDocument *document)
 {
 static EvDocumentInfo *
 djvu_document_get_info (EvDocument *document)
 {


@@ -338,14 +340,44 @@ djvu_document_document_iface_init (EvDocumentIface *iface)
 {
        iface->load = djvu_document_load;
        iface->save = djvu_document_save;
 {
        iface->load = djvu_document_load;
        iface->save = djvu_document_save;

-       iface->can_get_text = djvu_document_can_get_text;
-       iface->get_text = djvu_document_get_text;

        iface->get_n_pages = djvu_document_get_n_pages;
        iface->get_page_size = djvu_document_get_page_size;
        iface->render = djvu_document_render;
        iface->get_info = djvu_document_get_info;
 }
 
        iface->get_n_pages = djvu_document_get_n_pages;
        iface->get_page_size = djvu_document_get_page_size;
        iface->render = djvu_document_render;
        iface->get_info = djvu_document_get_info;
 }
 

+static gchar *
+djvu_selection_get_selected_text (EvSelection     *selection,
+                                 EvRenderContext *rc,
+                                 EvSelectionStyle style,
+                                 EvRectangle     *points)
+{
+       DjvuDocument *djvu_document = DJVU_DOCUMENT (selection);
+       double width, height;
+       EvRectangle rectangle;
+       gchar *text;
+            
+       djvu_document_get_page_size (EV_DOCUMENT (djvu_document),
+                                    rc->page, &width, &height);                
+       rectangle.x1 = points->x1 / SCALE_FACTOR;
+       rectangle.y1 = (height - points->y2) / SCALE_FACTOR;
+       rectangle.x2 = points->x2 / SCALE_FACTOR;
+       rectangle.y2 = (height - points->y1) / SCALE_FACTOR;
+               
+       text = djvu_text_copy (djvu_document, rc->page, &rectangle);
+      
+       if (text == NULL)
+               text = g_strdup ("");
+               
+       return text;
+}
+
+static void
+djvu_selection_iface_init (EvSelectionIface *iface)
+{
+       iface->get_selected_text = djvu_selection_get_selected_text;
+}
+

 static void
 djvu_document_thumbnails_get_dimensions (EvDocumentThumbnails *document,
                                         EvRenderContext      *rc, 
 static void
 djvu_document_thumbnails_get_dimensions (EvDocumentThumbnails *document,
                                         EvRenderContext      *rc, 


@@ -421,30 +453,17 @@ djvu_document_document_thumbnails_iface_init (EvDocumentThumbnailsIface *iface)
 }
 
 /* EvFileExporterIface */
 }
 
 /* EvFileExporterIface */

-static gboolean
-djvu_document_file_exporter_format_supported (EvFileExporter      *exporter,
-                                             EvFileExporterFormat format)
-{
-        return (format == EV_FILE_FORMAT_PS); // only exporting to PS is implemented.
-}
-

 static void
 static void

-djvu_document_file_exporter_begin (EvFileExporter      *exporter,
-                                  EvFileExporterFormat format,
-                                  const char          *filename, /* for storing the temp ps file */
-                                  int                  first_page,
-                                  int                  last_page,
-                                  double               width,
-                                  double               height,
-                                  gboolean             duplex)
+djvu_document_file_exporter_begin (EvFileExporter        *exporter,
+                                  EvFileExporterContext *fc)

 {
        DjvuDocument *djvu_document = DJVU_DOCUMENT (exporter);
        
        if (djvu_document->ps_filename)
                g_free (djvu_document->ps_filename);    
 {
        DjvuDocument *djvu_document = DJVU_DOCUMENT (exporter);
        
        if (djvu_document->ps_filename)
                g_free (djvu_document->ps_filename);    

-       djvu_document->ps_filename = g_strdup(filename);
+       djvu_document->ps_filename = g_strdup (fc->filename);

 
 

-       g_string_assign(djvu_document->opts, "-page=");
+       g_string_assign (djvu_document->opts, "-page=");

 }
 
 static void
 }
 
 static void


@@ -453,7 +472,7 @@ djvu_document_file_exporter_do_page (EvFileExporter  *exporter,
 {
        DjvuDocument *djvu_document = DJVU_DOCUMENT (exporter);
        
 {
        DjvuDocument *djvu_document = DJVU_DOCUMENT (exporter);
        

-       g_string_append_printf(djvu_document->opts, "%d,", (rc->page) + 1); 
+       g_string_append_printf (djvu_document->opts, "%d,", (rc->page) + 1); 

 }
 
 static void
 }
 
 static void


@@ -464,29 +483,39 @@ djvu_document_file_exporter_end (EvFileExporter *exporter)
 
        DjvuDocument *djvu_document = DJVU_DOCUMENT (exporter);
 
 
        DjvuDocument *djvu_document = DJVU_DOCUMENT (exporter);
 

-       FILE *fn = fopen(djvu_document->ps_filename, "w");
+       FILE *fn = fopen (djvu_document->ps_filename, "w");

        if (fn == NULL) {
        if (fn == NULL) {

-               g_warning(_("Cannot open file “%s”."), djvu_document->ps_filename);
+               g_warning ("Cannot open file “%s”.", djvu_document->ps_filename);

                return;
        }
        
        d_optv[0] = djvu_document->opts->str; 
 
        ddjvu_job_t * job = ddjvu_document_print(djvu_document->d_document, fn, d_optc, d_optv);
                return;
        }
        
        d_optv[0] = djvu_document->opts->str; 
 
        ddjvu_job_t * job = ddjvu_document_print(djvu_document->d_document, fn, d_optc, d_optv);

-       while (!ddjvu_job_done(job) ) { 
+       while (!ddjvu_job_done(job)) {  

                djvu_handle_events (djvu_document, TRUE);
        }
 
        fclose(fn); 
 }
 
                djvu_handle_events (djvu_document, TRUE);
        }
 
        fclose(fn); 
 }
 

+static EvFileExporterCapabilities
+djvu_document_file_exporter_get_capabilities (EvFileExporter *exporter)
+{
+       return  EV_FILE_EXPORTER_CAN_PAGE_SET |
+               EV_FILE_EXPORTER_CAN_COPIES |
+               EV_FILE_EXPORTER_CAN_COLLATE |
+               EV_FILE_EXPORTER_CAN_REVERSE |
+               EV_FILE_EXPORTER_CAN_GENERATE_PS;
+}
+

 static void
 djvu_document_file_exporter_iface_init (EvFileExporterIface *iface)
 {
 static void
 djvu_document_file_exporter_iface_init (EvFileExporterIface *iface)
 {

-        iface->format_supported = djvu_document_file_exporter_format_supported;

         iface->begin = djvu_document_file_exporter_begin;
         iface->do_page = djvu_document_file_exporter_do_page;
         iface->end = djvu_document_file_exporter_end;
         iface->begin = djvu_document_file_exporter_begin;
         iface->do_page = djvu_document_file_exporter_do_page;
         iface->end = djvu_document_file_exporter_end;

+       iface->get_capabilities = djvu_document_file_exporter_get_capabilities;

 }
 
 static void
 }
 
 static void