]> www.fi.muni.cz Git - evince.git/blobdiff - backend/pdf/ev-poppler.cc
Make gnome-keyring optional. Fixes bug #509676.
[evince.git] / backend / pdf / ev-poppler.cc
index 65c2884fa5d0c2c85d0b5fa347a4d402b7bf6db6..7c3a594df50e1fd15be9485140fa961a322aac7f 100644 (file)
 
 #include "config.h"
 
-#ifdef HAVE_POPPLER_FORM_FIELD_BUTTON_GET_BUTTON_TYPE
-#define HAVE_FORMS
-#endif
-
 #include <math.h>
 #include <string.h>
 #include <gtk/gtk.h>
 #include "ev-document-transition.h"
 #include "ev-document-forms.h"
 #include "ev-selection.h"
+#include "ev-transition-effect.h"
 #include "ev-attachment.h"
 #include "ev-image.h"
 
-#if defined (HAVE_CAIRO_PDF) || defined (HAVE_CAIRO_PS)
+#if (defined (HAVE_POPPLER_PAGE_RENDER) || defined (HAVE_POPPLER_PAGE_RENDER_FOR_PRINTING)) && (defined (HAVE_CAIRO_PDF) || defined (HAVE_CAIRO_PS))
 #define HAVE_CAIRO_PRINT
 #endif
 
@@ -127,11 +124,8 @@ static EvLink     *ev_link_from_action      (PdfDocument       *pdf_document,
 static void        pdf_document_search_free (PdfDocumentSearch *search);
 static void        pdf_print_context_free   (PdfPrintContext   *ctx);
 
-#ifdef HAVE_FORMS
-G_DEFINE_TYPE_WITH_CODE (PdfDocument, pdf_document, G_TYPE_OBJECT,
-                         {
-                                G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT,
-                                                       pdf_document_document_iface_init);
+EV_BACKEND_REGISTER_WITH_CODE (PdfDocument, pdf_document,
+                        {
                                 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_SECURITY,
                                                        pdf_document_security_iface_init);
                                 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
@@ -153,31 +147,6 @@ G_DEFINE_TYPE_WITH_CODE (PdfDocument, pdf_document, G_TYPE_OBJECT,
                                 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_TRANSITION,
                                                        pdf_document_page_transition_iface_init);
                         });
-#else /* !HAVE_FORMS */
-G_DEFINE_TYPE_WITH_CODE (PdfDocument, pdf_document, G_TYPE_OBJECT,
-                         {
-                                G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT,
-                                                       pdf_document_document_iface_init);
-                                G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_SECURITY,
-                                                       pdf_document_security_iface_init);
-                                G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_THUMBNAILS,
-                                                       pdf_document_document_thumbnails_iface_init);
-                                G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_LINKS,
-                                                       pdf_document_document_links_iface_init);
-                                G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_IMAGES,
-                                                       pdf_document_document_images_iface_init);
-                                G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FONTS,
-                                                       pdf_document_document_fonts_iface_init);
-                                G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND,
-                                                       pdf_document_find_iface_init);
-                                G_IMPLEMENT_INTERFACE (EV_TYPE_FILE_EXPORTER,
-                                                       pdf_document_file_exporter_iface_init);
-                                G_IMPLEMENT_INTERFACE (EV_TYPE_SELECTION,
-                                                       pdf_selection_iface_init);
-                                G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_TRANSITION,
-                                                       pdf_document_page_transition_iface_init);
-                        });
-#endif /* HAVE_FORMS */
 
 static void
 set_rc_data (PdfDocument     *pdf_document,
@@ -889,7 +858,10 @@ ev_link_dest_from_dest (PdfDocument *pdf_document,
                        ev_dest = ev_link_dest_new_xyz (dest->page_num - 1,
                                                        dest->left,
                                                        height - dest->top,
-                                                       dest->zoom);
+                                                       dest->zoom,
+                                                       dest->change_left,
+                                                       dest->change_top,
+                                                       dest->change_zoom);
                        g_object_unref (poppler_page);
                }
                        break;
@@ -904,13 +876,15 @@ ev_link_dest_from_dest (PdfDocument *pdf_document,
                                                                  MAX (0, dest->page_num - 1));
                        poppler_page_get_size (poppler_page, NULL, &height);
                        ev_dest = ev_link_dest_new_fith (dest->page_num - 1,
-                                                        height - dest->top);
+                                                        height - dest->top,
+                                                        dest->change_top);
                        g_object_unref (poppler_page);
                }
                        break;
                case POPPLER_DEST_FITV:
                        ev_dest = ev_link_dest_new_fitv (dest->page_num - 1,
-                                                        dest->left);
+                                                        dest->left,
+                                                        dest->change_left);
                        break;
                case POPPLER_DEST_FITR: {
                        PopplerPage *poppler_page;
@@ -1060,8 +1034,11 @@ build_tree (PdfDocument      *pdf_document,
                                break;
                }
                
-               if (!link) {
+               if (!link || strlen (ev_link_get_title (link)) <= 0) {
                        poppler_action_free (action);
+                       if (link)
+                               g_object_unref (link);
+                       
                        continue;
                }
 
@@ -1547,8 +1524,8 @@ pdf_document_file_exporter_begin (EvFileExporter        *exporter,
 {
        PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
        PdfPrintContext *ctx;
-       gdouble width, height;
 #ifdef HAVE_CAIRO_PRINT
+       gdouble width, height;
        cairo_surface_t *surface = NULL;
 #endif
        
@@ -1557,7 +1534,9 @@ pdf_document_file_exporter_begin (EvFileExporter        *exporter,
        pdf_document->print_ctx = g_new0 (PdfPrintContext, 1);
        ctx = pdf_document->print_ctx;
        ctx->format = fc->format;
-       ctx->pages_per_sheet = fc->pages_per_sheet;
+       
+#ifdef HAVE_CAIRO_PRINT
+       ctx->pages_per_sheet = CLAMP (fc->pages_per_sheet, 1, 16);
 
        ctx->paper_width = fc->paper_width;
        ctx->paper_height = fc->paper_height;
@@ -1591,18 +1570,12 @@ pdf_document_file_exporter_begin (EvFileExporter        *exporter,
        }
 
        ctx->pages_printed = 0;
-
+       
        switch (fc->format) {
                case EV_FILE_FORMAT_PS:
 #ifdef HAVE_CAIRO_PS
                        surface = cairo_ps_surface_create (fc->filename, fc->paper_width, fc->paper_height);
-#else
-                       ctx->ps_file = poppler_ps_file_new (pdf_document->document,
-                                                           fc->filename, fc->first_page,
-                                                           fc->last_page - fc->first_page + 1);
-                       poppler_ps_file_set_paper_size (ctx->ps_file, fc->paper_width, fc->paper_height);
-                       poppler_ps_file_set_duplex (ctx->ps_file, fc->duplex);
-#endif /* HAVE_CAIRO_PS */
+#endif
                        break;
                case EV_FILE_FORMAT_PDF:
 #ifdef HAVE_CAIRO_PDF
@@ -1613,10 +1586,43 @@ pdf_document_file_exporter_begin (EvFileExporter        *exporter,
                        g_assert_not_reached ();
        }
 
-#ifdef HAVE_CAIRO_PRINT
        ctx->cr = cairo_create (surface);
        cairo_surface_destroy (surface);
-#endif
+
+#else /* HAVE_CAIRO_PRINT */
+       if (ctx->format == EV_FILE_FORMAT_PS) {
+               ctx->ps_file = poppler_ps_file_new (pdf_document->document,
+                                                   fc->filename, fc->first_page,
+                                                   fc->last_page - fc->first_page + 1);
+               poppler_ps_file_set_paper_size (ctx->ps_file, fc->paper_width, fc->paper_height);
+               poppler_ps_file_set_duplex (ctx->ps_file, fc->duplex);
+       }
+#endif /* HAVE_CAIRO_PRINT */
+}
+
+static void
+pdf_document_file_exporter_begin_page (EvFileExporter *exporter)
+{
+       PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
+       PdfPrintContext *ctx = pdf_document->print_ctx;
+       
+       g_return_if_fail (pdf_document->print_ctx != NULL);
+
+       ctx->pages_printed = 0;
+       
+#ifdef HAVE_CAIRO_PRINT
+       if (ctx->paper_width > ctx->paper_height) {
+               if (ctx->format == EV_FILE_FORMAT_PS) {
+                       cairo_ps_surface_set_size (cairo_get_target (ctx->cr),
+                                                  ctx->paper_height,
+                                                  ctx->paper_width);
+               } else if (ctx->format == EV_FILE_FORMAT_PDF) {
+                       cairo_pdf_surface_set_size (cairo_get_target (ctx->cr),
+                                                   ctx->paper_height,
+                                                   ctx->paper_width);
+               }
+       }
+#endif /* HAVE_CAIRO_PRINT */
 }
 
 static void
@@ -1657,9 +1663,6 @@ pdf_document_file_exporter_do_page (EvFileExporter  *exporter,
                width = ctx->paper_height;
                height = ctx->paper_width;
                rotate = !rotate;
-
-               cairo_ps_surface_set_size (cairo_get_target (ctx->cr),
-                                          width, height);
        } else {
                width = ctx->paper_width;
                height = ctx->paper_height;
@@ -1680,7 +1683,6 @@ pdf_document_file_exporter_do_page (EvFileExporter  *exporter,
                tmp2 = page_width;
                page_width = page_height;
                page_height = tmp2;
-
        }
 
        pwidth = width / ctx->pages_x;
@@ -1719,15 +1721,17 @@ pdf_document_file_exporter_do_page (EvFileExporter  *exporter,
                         x * (rotate ? pheight : pwidth),
                         y * (rotate ? pwidth : pheight));
        cairo_scale (ctx->cr, xscale, yscale);
-       
+
+#ifdef HAVE_POPPLER_PAGE_RENDER_FOR_PRINTING
+       poppler_page_render_for_printing (poppler_page, ctx->cr);
+#else
 #ifdef HAVE_POPPLER_PAGE_RENDER
        poppler_page_render (poppler_page, ctx->cr);
 #endif
+#endif
+
        ctx->pages_printed++;
                        
-       if (ctx->pages_printed % ctx->pages_per_sheet == 0) {
-               cairo_show_page (ctx->cr);
-       }
        cairo_restore (ctx->cr);
 #else /* HAVE_CAIRO_PRINT */
        if (ctx->format == EV_FILE_FORMAT_PS)
@@ -1737,6 +1741,19 @@ pdf_document_file_exporter_do_page (EvFileExporter  *exporter,
        g_object_unref (poppler_page);
 }
 
+static void
+pdf_document_file_exporter_end_page (EvFileExporter *exporter)
+{
+       PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
+       PdfPrintContext *ctx = pdf_document->print_ctx;
+       
+       g_return_if_fail (pdf_document->print_ctx != NULL);
+
+#ifdef HAVE_CAIRO_PRINT
+       cairo_show_page (ctx->cr);
+#endif
+}
+
 static void
 pdf_document_file_exporter_end (EvFileExporter *exporter)
 {
@@ -1775,7 +1792,9 @@ static void
 pdf_document_file_exporter_iface_init (EvFileExporterIface *iface)
 {
         iface->begin = pdf_document_file_exporter_begin;
+       iface->begin_page = pdf_document_file_exporter_begin_page;
         iface->do_page = pdf_document_file_exporter_do_page;
+       iface->end_page = pdf_document_file_exporter_end_page;
         iface->end = pdf_document_file_exporter_end;
        iface->get_capabilities = pdf_document_file_exporter_get_capabilities;
 }
@@ -1949,16 +1968,49 @@ pdf_document_get_page_duration (EvDocumentTransition *trans,
        return duration;
 }
 
-static void
-pdf_document_page_transition_iface_init (EvDocumentTransitionIface *iface)
+static EvTransitionEffect *
+pdf_document_get_effect (EvDocumentTransition *trans,
+                        gint                  page)
 {
-       iface->get_page_duration = pdf_document_get_page_duration;
+       PdfDocument            *pdf_document;
+       PopplerPage            *poppler_page;
+       PopplerPageTransition  *page_transition;
+       EvTransitionEffect     *effect;
+
+       pdf_document = PDF_DOCUMENT (trans);
+       poppler_page = poppler_document_get_page (pdf_document->document, page);
+
+       if (!poppler_page)
+               return NULL;
+
+       page_transition = poppler_page_get_transition (poppler_page);
+
+       if (!page_transition) {
+               g_object_unref (poppler_page);
+               return NULL;
+       }
+
+       /* enums in PopplerPageTransition match the EvTransitionEffect ones */
+       effect = ev_transition_effect_new ((EvTransitionEffectType) page_transition->type,
+                                          "alignment", page_transition->alignment,
+                                          "direction", page_transition->direction,
+                                          "duration", page_transition->duration,
+                                          "angle", page_transition->angle,
+                                          "scale", page_transition->scale,
+                                          "rectangular", page_transition->rectangular,
+                                          NULL);
+
+       poppler_page_transition_free (page_transition);
+       g_object_unref (poppler_page);
+
+       return effect;
 }
 
-PdfDocument *
-pdf_document_new (void)
+static void
+pdf_document_page_transition_iface_init (EvDocumentTransitionIface *iface)
 {
-       return PDF_DOCUMENT (g_object_new (PDF_TYPE_DOCUMENT, NULL));
+       iface->get_page_duration = pdf_document_get_page_duration;
+       iface->get_effect = pdf_document_get_effect;
 }
 
 /* Forms */
@@ -1980,7 +2032,6 @@ pdf_document_get_crop_box (EvDocument  *document,
        rect->y2 = poppler_rect.y2;
 }
 
-#ifdef HAVE_FORMS
 static EvFormField *
 ev_form_field_from_poppler_field (PopplerFormField *poppler_field)
 {
@@ -2017,10 +2068,7 @@ ev_form_field_from_poppler_field (PopplerFormField *poppler_field)
                        field_text->do_scroll = poppler_form_field_text_do_scroll (poppler_field);
                        field_text->is_rich_text = poppler_form_field_text_is_rich_text (poppler_field);
                        field_text->is_password = poppler_form_field_text_is_password (poppler_field);
-                       
-#ifdef HAVE_POPPLER_FORM_FIELD_TEXT_GET_MAX_LEN
                        field_text->max_len = poppler_form_field_text_get_max_len (poppler_field);
-#endif
                        field_text->text = poppler_form_field_text_get_text (poppler_field);
 
                }
@@ -2079,7 +2127,7 @@ ev_form_field_from_poppler_field (PopplerFormField *poppler_field)
                        ev_field = ev_form_field_signature_new (id);
                        break;
                case POPPLER_FORM_FIELD_UNKNOWN:
-                       break;
+                       return NULL;
        }
 
        ev_field->font_size = font_size;
@@ -2098,7 +2146,6 @@ pdf_document_forms_get_form_fields (EvDocumentForms *document,
        GList *fields;
        GList *list;
        double height;
-       
 
        pdf_document = PDF_DOCUMENT (document);
        poppler_page = poppler_document_get_page (pdf_document->document, page);
@@ -2108,19 +2155,25 @@ pdf_document_forms_get_form_fields (EvDocumentForms *document,
        for (list = fields; list; list = list->next) {
                PopplerFormFieldMapping *mapping;
                EvFormFieldMapping *field_mapping;
-               
+               EvFormField *ev_field;
+
                mapping = (PopplerFormFieldMapping *)list->data;
 
+               ev_field = ev_form_field_from_poppler_field (mapping->field);
+               if (!ev_field)
+                       continue;
+
                field_mapping = g_new0 (EvFormFieldMapping, 1);
                field_mapping->x1 = mapping->area.x1;
                field_mapping->x2 = mapping->area.x2;
                field_mapping->y1 = height - mapping->area.y2;
                field_mapping->y2 = height - mapping->area.y1;
-               field_mapping->field = ev_form_field_from_poppler_field (mapping->field);
+               field_mapping->field = ev_field;
                field_mapping->field->page = page;
                
                retval = g_list_prepend (retval, field_mapping);
        }
+       
        poppler_page_free_form_field_mapping (fields);
        g_object_unref (poppler_page);
 
@@ -2349,4 +2402,4 @@ pdf_document_document_forms_iface_init (EvDocumentFormsIface *iface)
        iface->form_field_choice_set_text = pdf_document_forms_form_field_choice_set_text;
        iface->form_field_choice_get_text = pdf_document_forms_form_field_choice_get_text;
 }
-#endif /* HAVE_FORMS */
+