]> www.fi.muni.cz Git - evince.git/blobdiff - backend/pdf/ev-poppler.cc
New files, define a page transition effect, at the moment it maps
[evince.git] / backend / pdf / ev-poppler.cc
index a3549b248b55d949ce44909763c049bda84c2cd6..5b0398047c458ec8e84f286739270951c9b20a58 100644 (file)
@@ -28,6 +28,9 @@
 #ifdef HAVE_CAIRO_PDF
 #include <cairo-pdf.h>
 #endif
+#ifdef HAVE_CAIRO_PS
+#include <cairo-ps.h>
+#endif
 #include <glib/gi18n.h>
 
 #include "ev-poppler.h"
 #include "ev-document-security.h"
 #include "ev-document-thumbnails.h"
 #include "ev-document-transition.h"
+#include "ev-document-forms.h"
 #include "ev-selection.h"
 #include "ev-attachment.h"
 #include "ev-image.h"
 
+#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
+
 typedef struct {
        PdfDocument *document;
        char *text;
@@ -55,9 +63,19 @@ typedef struct {
 
 typedef struct {
        EvFileExporterFormat format;
+
+       /* Pages per sheet */
+       gint pages_per_sheet;
+       gint pages_printed;
+       gint pages_x;
+       gint pages_y;
+       gdouble paper_width;
+       gdouble paper_height;
+       
+#ifdef HAVE_CAIRO_PRINT
+       cairo_t *cr;
+#else
        PopplerPSFile *ps_file;
-#ifdef HAVE_CAIRO_PDF
-       cairo_t *pdf_cairo;
 #endif
 } PdfPrintContext;
 
@@ -86,6 +104,7 @@ 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_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_find_iface_init                (EvDocumentFindIface       *iface);
 static void pdf_document_file_exporter_iface_init       (EvFileExporterIface       *iface);
@@ -104,11 +123,8 @@ 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);
 
-
-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,
@@ -117,6 +133,8 @@ G_DEFINE_TYPE_WITH_CODE (PdfDocument, pdf_document, G_TYPE_OBJECT,
                                                        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_FORMS,
+                                                       pdf_document_document_forms_iface_init);
                                 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FONTS,
                                                        pdf_document_document_fonts_iface_init);
                                 G_IMPLEMENT_INTERFACE (EV_TYPE_DOCUMENT_FIND,
@@ -129,7 +147,6 @@ G_DEFINE_TYPE_WITH_CODE (PdfDocument, pdf_document, G_TYPE_OBJECT,
                                                        pdf_document_page_transition_iface_init);
                         });
 
-
 static void
 set_rc_data (PdfDocument     *pdf_document,
             EvRenderContext *rc)
@@ -426,12 +443,12 @@ pdf_document_get_attachments (EvDocument *document)
        return g_list_reverse (retval);
 }
 
-static GdkPixbuf *
-pdf_document_render_pixbuf (EvDocument   *document,
-                           EvRenderContext *rc)
+static cairo_surface_t *
+pdf_document_render (EvDocument      *document,
+                    EvRenderContext *rc)
 {
        PdfDocument *pdf_document;
-       GdkPixbuf *pixbuf;
+       cairo_surface_t *surface;
        double width_points, height_points;
        gint width, height;
 
@@ -449,6 +466,36 @@ pdf_document_render_pixbuf (EvDocument   *document,
                height = (int) ((height_points * rc->scale) + 0.5);
        }
 
+#ifdef HAVE_POPPLER_PAGE_RENDER
+       cairo_t *cr;
+       
+       surface = cairo_image_surface_create (CAIRO_FORMAT_RGB24,
+                                             width, height);
+       memset (cairo_image_surface_get_data (surface), 0xff,
+               cairo_image_surface_get_height (surface) *
+               cairo_image_surface_get_stride (surface));
+       
+       cr = cairo_create (surface);
+       switch (rc->rotation) {
+               case 90:
+                       cairo_translate (cr, width, 0);
+                       break;
+               case 180:
+                       cairo_translate (cr, width, height);
+                       break;
+               case 270:
+                       cairo_translate (cr, 0, height);
+                       break;
+               default:
+                       cairo_translate (cr, 0, 0);
+       }
+       cairo_scale (cr, rc->scale, rc->scale);
+       cairo_rotate (cr, rc->rotation * G_PI / 180.0);
+       poppler_page_render (POPPLER_PAGE (rc->data), cr);
+       cairo_destroy (cr);
+#else /* HAVE_POPPLER_PAGE_RENDER */
+       GdkPixbuf *pixbuf;
+       
        pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
                                 FALSE, 8,
                                 width, height);
@@ -459,9 +506,11 @@ pdf_document_render_pixbuf (EvDocument   *document,
                                       rc->scale,
                                       rc->rotation,
                                       pixbuf);
-       
-       
-       return pixbuf;
+       surface = ev_document_misc_surface_from_pixbuf (pixbuf);
+       g_object_unref (pixbuf);
+#endif /* HAVE_POPPLER_PAGE_RENDER */
+
+       return surface;
 }
 
 /* EvDocumentSecurity */
@@ -485,12 +534,6 @@ 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)
 {
@@ -636,31 +679,6 @@ pdf_document_get_info (EvDocument *document)
        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;
-       char *text;
-       
-       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;
-
-       text = poppler_page_get_text (poppler_page, &r);
-
-       g_object_unref (poppler_page);
-
-       return text;
-}
-
 static void
 pdf_document_document_iface_init (EvDocumentIface *iface)
 {
@@ -671,9 +689,7 @@ pdf_document_document_iface_init (EvDocumentIface *iface)
        iface->get_page_label = pdf_document_get_page_label;
        iface->has_attachments = pdf_document_has_attachments;
        iface->get_attachments = pdf_document_get_attachments;
-       iface->render_pixbuf = pdf_document_render_pixbuf;
-       iface->get_text = pdf_document_get_text;
-       iface->can_get_text = pdf_document_can_get_text;
+       iface->render = pdf_document_render;
        iface->get_info = pdf_document_get_info;
 };
 
@@ -841,7 +857,10 @@ 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;
@@ -856,13 +875,15 @@ 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;
@@ -1012,8 +1033,11 @@ 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;
                }
 
@@ -1213,7 +1237,15 @@ pdf_document_thumbnails_get_thumbnail (EvDocumentThumbnails *document_thumbnails
        g_return_val_if_fail (poppler_page != NULL, NULL);
 
        pixbuf = poppler_page_get_thumbnail (poppler_page);
-       if (!pixbuf) {
+       if (pixbuf) {
+               /* Rotate provided thumbnail if needed */
+               GdkPixbuf *rotated_pixbuf;
+
+               rotated_pixbuf = gdk_pixbuf_rotate_simple (pixbuf,
+                                                          (GdkPixbufRotation) (360 - rc->rotation));
+               g_object_unref (pixbuf);
+               pixbuf = rotated_pixbuf;
+       } else {
                /* There is no provided thumbnail.  We need to make one. */
                pixbuf = make_thumbnail_for_page (pdf_document, poppler_page, rc);
        }
@@ -1251,10 +1283,10 @@ pdf_document_thumbnails_get_dimensions (EvDocumentThumbnails *document_thumbnail
 
                poppler_page_get_size (poppler_page, &page_width, &page_height);
 
-               *width = (gint) (page_width * rc->scale);
-               *height = (gint) (page_height * rc->scale);
+               *width = (gint) MAX (page_width * rc->scale, 1);
+               *height = (gint) MAX (page_height * rc->scale, 1);
        }
-
+       
        if (rc->rotation == 90 || rc->rotation == 270) {
                gint  temp;
 
@@ -1465,120 +1497,262 @@ pdf_document_find_iface_init (EvDocumentFindIface *iface)
         iface->cancel = pdf_document_find_cancel;
 }
 
-static const gboolean supported_formats[] = {
-       TRUE, /* EV_FILE_FORMAT_PS */
-#ifdef HAVE_CAIRO_PDF
-#ifdef HAVE_POPPLER_PAGE_RENDER
-       TRUE, /* EV_FILE_FORMAT_PDF */
-#else
-       FALSE, /* EV_FILE_FORMAT_PDF */
-#endif
-#endif
-};
-
 static void
 pdf_print_context_free (PdfPrintContext *ctx)
 {
        if (!ctx)
                return;
 
+#ifdef HAVE_CAIRO_PRINT
+       if (ctx->cr) {
+               cairo_destroy (ctx->cr);
+               ctx->cr = NULL;
+       }
+#else
        if (ctx->ps_file) {
                poppler_ps_file_free (ctx->ps_file);
                ctx->ps_file = NULL;
        }
-#ifdef HAVE_CAIRO_PDF
-       if (ctx->pdf_cairo) {
-               cairo_destroy (ctx->pdf_cairo);
-               ctx->pdf_cairo = NULL;
-       }
 #endif
        g_free (ctx);
 }
 
-static gboolean
-pdf_document_file_exporter_format_supported (EvFileExporter      *exporter,
-                                            EvFileExporterFormat format)
-{
-       return supported_formats[format];
-}
-
 static void
-pdf_document_file_exporter_begin (EvFileExporter      *exporter,
-                                 EvFileExporterFormat format,
-                                 const char          *filename,
-                                 int                  first_page,
-                                 int                  last_page,
-                                 double               width,
-                                 double               height,
-                                 gboolean             duplex)
+pdf_document_file_exporter_begin (EvFileExporter        *exporter,
+                                 EvFileExporterContext *fc)
 {
        PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
        PdfPrintContext *ctx;
-
+#ifdef HAVE_CAIRO_PRINT
+       gdouble width, height;
+       cairo_surface_t *surface = NULL;
+#endif
+       
        if (pdf_document->print_ctx)
                pdf_print_context_free (pdf_document->print_ctx);
        pdf_document->print_ctx = g_new0 (PdfPrintContext, 1);
        ctx = pdf_document->print_ctx;
-       ctx->format = format;
+       ctx->format = fc->format;
        
-       switch (format) {
-               case EV_FILE_FORMAT_PS:
-                       ctx->ps_file = poppler_ps_file_new (pdf_document->document,
-                                                           filename, first_page,
-                                                           last_page - first_page + 1);
-                       poppler_ps_file_set_paper_size (ctx->ps_file, width, height);
-                       poppler_ps_file_set_duplex (ctx->ps_file, duplex);
+#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;
+       
+       switch (fc->pages_per_sheet) {
+               default:
+               case 1:
+                       ctx->pages_x = 1;
+                       ctx->pages_y = 1;
+                       break;
+               case 2:
+                       ctx->pages_x = 1;
+                       ctx->pages_y = 2;
+                       break;
+               case 4:
+                       ctx->pages_x = 2;
+                       ctx->pages_y = 2;
+                       break;
+               case 6:
+                       ctx->pages_x = 2;
+                       ctx->pages_y = 3;
+                       break;
+               case 9:
+                       ctx->pages_x = 3;
+                       ctx->pages_y = 3;
+                       break;
+               case 16:
+                       ctx->pages_x = 4;
+                       ctx->pages_y = 4;
+                       break;
+       }
 
+       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);
+#endif
                        break;
-               case EV_FILE_FORMAT_PDF: {
+               case EV_FILE_FORMAT_PDF:
 #ifdef HAVE_CAIRO_PDF
-                       cairo_surface_t *surface;
-                       
-                       surface = cairo_pdf_surface_create (filename, width, height);
-                       ctx->pdf_cairo = cairo_create (surface);
-                       cairo_surface_destroy (surface);
+                       surface = cairo_pdf_surface_create (fc->filename, fc->paper_width, fc->paper_height);
 #endif
-               }
                        break;
                default:
                        g_assert_not_reached ();
        }
+
+       ctx->cr = cairo_create (surface);
+       cairo_surface_destroy (surface);
+
+#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
-pdf_document_file_exporter_do_page (EvFileExporter *exporter, EvRenderContext *rc)
+pdf_document_file_exporter_do_page (EvFileExporter  *exporter,
+                                   EvRenderContext *rc)
 {
        PdfDocument *pdf_document = PDF_DOCUMENT (exporter);
        PdfPrintContext *ctx = pdf_document->print_ctx;
        PopplerPage *poppler_page;
+#ifdef HAVE_CAIRO_PRINT
+       gdouble  page_width, page_height;
+       gint     x, y;
+       gboolean rotate, landscape;
+       gdouble  width, height;
+       gdouble  pwidth, pheight;
+       gdouble  xscale, yscale;
+#endif
 
        g_return_if_fail (pdf_document->print_ctx != NULL);
 
        poppler_page = poppler_document_get_page (pdf_document->document, rc->page);
+       
+#ifdef HAVE_CAIRO_PRINT
+       x = (ctx->pages_printed % ctx->pages_per_sheet) % ctx->pages_x;
+       y = (ctx->pages_printed % ctx->pages_per_sheet) / ctx->pages_x;
+       poppler_page_get_size (poppler_page, &page_width, &page_height);
 
-       switch (ctx->format) {
-               case EV_FILE_FORMAT_PS:
-                       poppler_page_render_to_ps (poppler_page, ctx->ps_file);
-                       break;
-               case EV_FILE_FORMAT_PDF:
-#ifdef HAVE_CAIRO_PDF
-                       cairo_save (ctx->pdf_cairo);
-#endif
+       if (page_width > page_height && page_width > ctx->paper_width) {
+               rotate = TRUE;
+       } else {
+               rotate = FALSE;
+       }
+
+       landscape = (ctx->paper_width > ctx->paper_height);
+
+       /* Use always portrait mode and rotate when necessary */
+       if (ctx->paper_width > ctx->paper_height) {
+               width = ctx->paper_height;
+               height = ctx->paper_width;
+               rotate = !rotate;
+       } else {
+               width = ctx->paper_width;
+               height = ctx->paper_height;
+       }
+
+       if (ctx->pages_per_sheet == 2 || ctx->pages_per_sheet == 6) {
+               rotate = !rotate;
+       }       
+
+       if (rotate) {
+               gint tmp1;
+               gdouble tmp2;
+
+               tmp1 = x;
+               x = y;
+               y = tmp1;
+
+               tmp2 = page_width;
+               page_width = page_height;
+               page_height = tmp2;
+       }
+
+       pwidth = width / ctx->pages_x;
+       pheight = height / ctx->pages_y;
+
+       if ((page_width > pwidth || page_height > pheight) ||
+           (page_width < pwidth && page_height < pheight)) {
+               xscale = pwidth / page_width;
+               yscale = pheight / page_height;
+               
+               if (yscale < xscale) {
+                       xscale = yscale;
+               } else {
+                       yscale = xscale;
+               }
+               
+       } else {        
+               xscale = yscale = 1;
+       }
+
+       /* TODO: center */
+
+       cairo_save (ctx->cr);
+       if (rotate) {
+               cairo_matrix_t matrix;
+               
+               cairo_translate (ctx->cr, width, 0);
+               cairo_matrix_init (&matrix,
+                                  0,  1,
+                                  -1,  0,
+                                  0,  0);
+               cairo_transform (ctx->cr, &matrix);
+       }
+       
+       cairo_translate (ctx->cr,
+                        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->pdf_cairo);
+       poppler_page_render (poppler_page, ctx->cr);
 #endif
-#ifdef HAVE_CAIRO_PDF
-                       cairo_show_page (ctx->pdf_cairo);
-                       cairo_restore (ctx->pdf_cairo);
 #endif
-                       break;
-               default:
-                       g_assert_not_reached ();
-       }
+
+       ctx->pages_printed++;
+                       
+       cairo_restore (ctx->cr);
+#else /* HAVE_CAIRO_PRINT */
+       if (ctx->format == EV_FILE_FORMAT_PS)
+               poppler_page_render_to_ps (poppler_page, ctx->ps_file);
+#endif /* HAVE_CAIRO_PRINT */
        
        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)
 {
@@ -1588,23 +1762,51 @@ pdf_document_file_exporter_end (EvFileExporter *exporter)
        pdf_document->print_ctx = NULL;
 }
 
+static EvFileExporterCapabilities
+pdf_document_file_exporter_get_capabilities (EvFileExporter *exporter)
+{
+       return  (EvFileExporterCapabilities) (
+               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_SCALE |
+#ifdef HAVE_CAIRO_PRINT
+#ifdef HAVE_POPPLER_PAGE_RENDER
+#if GTK_CHECK_VERSION (2, 11, 1)
+               EV_FILE_EXPORTER_CAN_NUMBER_UP |
+#endif
+#endif
+#endif
+               
+#ifdef HAVE_CAIRO_PDF
+#ifdef HAVE_POPPLER_PAGE_RENDER
+               EV_FILE_EXPORTER_CAN_GENERATE_PDF |
+#endif
+#endif
+               EV_FILE_EXPORTER_CAN_GENERATE_PS);
+}
+
 static void
 pdf_document_file_exporter_iface_init (EvFileExporterIface *iface)
 {
-       iface->format_supported = pdf_document_file_exporter_format_supported;
         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;
 }
 
 static void
 pdf_selection_render_selection (EvSelection      *selection,
                                EvRenderContext  *rc,
-                               GdkPixbuf       **pixbuf,
+                               cairo_surface_t **surface,
                                EvRectangle      *points,
                                EvRectangle      *old_points,
-                               GdkColor        *text,
-                               GdkColor        *base)
+                               EvSelectionStyle  style,
+                               GdkColor         *text,
+                               GdkColor         *base)
 {
        PdfDocument *pdf_document;
        double width_points, height_points;
@@ -1613,29 +1815,89 @@ pdf_selection_render_selection (EvSelection      *selection,
        pdf_document = PDF_DOCUMENT (selection);
        set_rc_data (pdf_document, rc);
 
-       poppler_page_get_size (POPPLER_PAGE (rc->data), &width_points, &height_points);
+       poppler_page_get_size (POPPLER_PAGE (rc->data),
+                              &width_points, &height_points);
        width = (int) ((width_points * rc->scale) + 0.5);
        height = (int) ((height_points * rc->scale) + 0.5);
 
-       if (*pixbuf == NULL) {
-               * pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
-                                          TRUE, 8,
-                                          width, height);
+#ifdef HAVE_POPPLER_PAGE_RENDER
+       cairo_t *cr;
+
+       if (*surface == NULL) {
+               *surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32,
+                                                      width, height);
+               
        }
 
+       cr = cairo_create (*surface);
+       cairo_scale (cr, rc->scale, rc->scale);
+       cairo_surface_set_device_offset (*surface, 0, 0);
+       memset (cairo_image_surface_get_data (*surface), 0x00,
+               cairo_image_surface_get_height (*surface) *
+               cairo_image_surface_get_stride (*surface));
+       poppler_page_render_selection (POPPLER_PAGE (rc->data),
+                                      cr,
+                                      (PopplerRectangle *)points,
+                                      (PopplerRectangle *)old_points,
+                                      (PopplerSelectionStyle)style,
+                                      text,
+                                      base);
+       cairo_destroy (cr);
+#else /* HAVE_POPPLER_PAGE_RENDER */
+       GdkPixbuf *pixbuf;
+       
+       pixbuf = gdk_pixbuf_new (GDK_COLORSPACE_RGB,
+                                TRUE, 8,
+                                width, height);
+
        poppler_page_render_selection_to_pixbuf (POPPLER_PAGE (rc->data),
-                                                rc->scale, rc->rotation, *pixbuf,
+                                                rc->scale, rc->rotation, pixbuf,
                                                 (PopplerRectangle *)points,
                                                 (PopplerRectangle *)old_points,
-                                                POPPLER_SELECTION_NORMAL, /* SelectionStyle */
+                                                (PopplerSelectionStyle)style,
                                                 text,
                                                 base);
+       if (*surface)
+               cairo_surface_destroy (*surface);
+       *surface = ev_document_misc_surface_from_pixbuf (pixbuf);
+       g_object_unref (pixbuf);
+#endif /* HAVE_POPPLER_PAGE_RENDER */
 }
 
+static gchar *
+pdf_selection_get_selected_text (EvSelection     *selection,
+                                EvRenderContext *rc,
+                                EvSelectionStyle style,
+                                EvRectangle     *points)
+{
+       PdfDocument *pdf_document = PDF_DOCUMENT (selection);
+       PopplerPage *poppler_page;
+       PopplerRectangle r;
+       double height;
+       char *retval;
+       
+       poppler_page = poppler_document_get_page (pdf_document->document, rc->page);
+       g_return_val_if_fail (poppler_page != NULL, NULL);
+
+       poppler_page_get_size (poppler_page, NULL, &height);
+       r.x1 = points->x1;
+       r.y1 = height - points->y2;
+       r.x2 = points->x2;
+       r.y2 = height - points->y1;
+
+       retval = poppler_page_get_text (poppler_page,
+                                       (PopplerSelectionStyle)style,
+                                       &r);
+
+       g_object_unref (poppler_page);
+
+       return retval;
+}
 
 static GdkRegion *
 pdf_selection_get_selection_region (EvSelection     *selection,
                                    EvRenderContext *rc,
+                                   EvSelectionStyle style,
                                    EvRectangle     *points)
 {
        PdfDocument *pdf_document;
@@ -1645,8 +1907,10 @@ pdf_selection_get_selection_region (EvSelection     *selection,
 
        set_rc_data (pdf_document, rc);
 
-       retval = poppler_page_get_selection_region ((PopplerPage *)rc->data, rc->scale, (PopplerRectangle *) points);
-
+       retval = poppler_page_get_selection_region ((PopplerPage *)rc->data,
+                                                   rc->scale,
+                                                   (PopplerSelectionStyle)style,
+                                                   (PopplerRectangle *) points);
        return retval;
 }
 
@@ -1666,7 +1930,9 @@ pdf_selection_get_selection_map (EvSelection     *selection,
        points.x1 = 0.0;
        points.y1 = 0.0;
        poppler_page_get_size (poppler_page, &(points.x2), &(points.y2));
-       retval = poppler_page_get_selection_region (poppler_page, 1.0, &points);
+       retval = poppler_page_get_selection_region (poppler_page, 1.0,
+                                                   POPPLER_SELECTION_GLYPH,
+                                                   &points);
        g_object_unref (poppler_page);
 
        return retval;
@@ -1676,6 +1942,7 @@ static void
 pdf_selection_iface_init (EvSelectionIface *iface)
 {
         iface->render_selection = pdf_selection_render_selection;
+       iface->get_selected_text = pdf_selection_get_selected_text;
         iface->get_selection_region = pdf_selection_get_selection_region;
         iface->get_selection_map = pdf_selection_get_selection_map;
 }
@@ -1706,8 +1973,393 @@ pdf_document_page_transition_iface_init (EvDocumentTransitionIface *iface)
        iface->get_page_duration = pdf_document_get_page_duration;
 }
 
-PdfDocument *
-pdf_document_new (void)
+/* Forms */
+static void
+pdf_document_get_crop_box (EvDocument  *document, 
+                          int          page, 
+                          EvRectangle *rect)
 {
-       return PDF_DOCUMENT (g_object_new (PDF_TYPE_DOCUMENT, NULL));
+       PdfDocument *pdf_document;
+       PopplerPage *poppler_page;
+       PopplerRectangle poppler_rect;
+
+       pdf_document = PDF_DOCUMENT (document);
+       poppler_page = poppler_document_get_page (pdf_document->document, page);
+       poppler_page_get_crop_box (poppler_page, &poppler_rect);
+       rect->x1 = poppler_rect.x1;
+       rect->x2 = poppler_rect.x2;
+       rect->y1 = poppler_rect.y1;
+       rect->y2 = poppler_rect.y2;
 }
+
+static EvFormField *
+ev_form_field_from_poppler_field (PopplerFormField *poppler_field)
+{
+       EvFormField *ev_field = NULL;
+       gint         id;
+       gdouble      font_size;
+       gboolean     is_read_only;
+
+       id = poppler_form_field_get_id (poppler_field);
+       font_size = poppler_form_field_get_font_size (poppler_field);
+       is_read_only = poppler_form_field_is_read_only (poppler_field);
+
+       switch (poppler_form_field_get_field_type (poppler_field)) {
+               case POPPLER_FORM_FIELD_TEXT: {
+                       EvFormFieldText    *field_text;
+                       EvFormFieldTextType ev_text_type = EV_FORM_FIELD_TEXT_NORMAL;
+
+                       switch (poppler_form_field_text_get_text_type (poppler_field)) {
+                               case POPPLER_FORM_TEXT_NORMAL:
+                                       ev_text_type = EV_FORM_FIELD_TEXT_NORMAL;
+                                       break;
+                               case POPPLER_FORM_TEXT_MULTILINE:
+                                       ev_text_type = EV_FORM_FIELD_TEXT_MULTILINE;
+                                       break;
+                               case POPPLER_FORM_TEXT_FILE_SELECT:
+                                       ev_text_type = EV_FORM_FIELD_TEXT_FILE_SELECT;
+                                       break;
+                       }
+                       
+                       ev_field = ev_form_field_text_new (id, ev_text_type);
+                       field_text = EV_FORM_FIELD_TEXT (ev_field);
+
+                       field_text->do_spell_check = poppler_form_field_text_do_spell_check (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);
+                       field_text->max_len = poppler_form_field_text_get_max_len (poppler_field);
+                       field_text->text = poppler_form_field_text_get_text (poppler_field);
+
+               }
+                       break;
+               case POPPLER_FORM_FIELD_BUTTON: {
+                       EvFormFieldButton    *field_button;
+                       EvFormFieldButtonType ev_button_type = EV_FORM_FIELD_BUTTON_PUSH;
+
+                       switch (poppler_form_field_button_get_button_type (poppler_field)) {
+                               case POPPLER_FORM_BUTTON_PUSH:
+                                       ev_button_type = EV_FORM_FIELD_BUTTON_PUSH;
+                                       break;
+                               case POPPLER_FORM_BUTTON_CHECK:
+                                       ev_button_type = EV_FORM_FIELD_BUTTON_CHECK;
+                                       break;
+                               case POPPLER_FORM_BUTTON_RADIO:
+                                       ev_button_type = EV_FORM_FIELD_BUTTON_RADIO;
+                                       break;
+                       }
+
+                       ev_field = ev_form_field_button_new (id, ev_button_type);
+                       field_button = EV_FORM_FIELD_BUTTON (ev_field);
+                       
+                       field_button->state = poppler_form_field_button_get_state (poppler_field);
+               }
+                       break;
+               case POPPLER_FORM_FIELD_CHOICE: {
+                       EvFormFieldChoice    *field_choice;
+                       EvFormFieldChoiceType ev_choice_type = EV_FORM_FIELD_CHOICE_COMBO;
+
+                       switch (poppler_form_field_choice_get_choice_type (poppler_field)) {
+                               case POPPLER_FORM_CHOICE_COMBO:
+                                       ev_choice_type = EV_FORM_FIELD_CHOICE_COMBO;
+                                       break;
+                               case EV_FORM_FIELD_CHOICE_LIST:
+                                       ev_choice_type = EV_FORM_FIELD_CHOICE_LIST;
+                                       break;
+                       }
+
+                       ev_field = ev_form_field_choice_new (id, ev_choice_type);
+                       field_choice = EV_FORM_FIELD_CHOICE (ev_field);
+
+                       field_choice->is_editable = poppler_form_field_choice_is_editable (poppler_field);
+                       field_choice->multi_select = poppler_form_field_choice_can_select_multiple (poppler_field);
+                       field_choice->do_spell_check = poppler_form_field_choice_do_spell_check (poppler_field);
+                       field_choice->commit_on_sel_change = poppler_form_field_choice_commit_on_change (poppler_field);
+
+                       /* TODO: we need poppler_form_field_choice_get_selected_items in poppler 
+                       field_choice->selected_items = poppler_form_field_choice_get_selected_items (poppler_field);*/
+                       if (field_choice->is_editable)
+                               field_choice->text = poppler_form_field_choice_get_text (poppler_field);
+               }
+                       break;
+               case POPPLER_FORM_FIELD_SIGNATURE:
+                       /* TODO */
+                       ev_field = ev_form_field_signature_new (id);
+                       break;
+               case POPPLER_FORM_FIELD_UNKNOWN:
+                       return NULL;
+       }
+
+       ev_field->font_size = font_size;
+       ev_field->is_read_only = is_read_only;
+
+       return ev_field;
+}
+
+static GList *
+pdf_document_forms_get_form_fields (EvDocumentForms *document, 
+                                   gint             page)
+{
+       PdfDocument *pdf_document;
+       PopplerPage *poppler_page;
+       GList *retval = NULL;
+       GList *fields;
+       GList *list;
+       double height;
+
+       pdf_document = PDF_DOCUMENT (document);
+       poppler_page = poppler_document_get_page (pdf_document->document, page);
+       fields = poppler_page_get_form_field_mapping (poppler_page);
+       poppler_page_get_size (poppler_page, NULL, &height);
+
+       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_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);
+
+       return g_list_reverse (retval);
+}
+
+static gchar *
+pdf_document_forms_form_field_text_get_text (EvDocumentForms *document,
+                                            EvFormField     *field)
+       
+{
+       PdfDocument *pdf_document = PDF_DOCUMENT (document);
+       PopplerFormField *poppler_field;
+       gchar *text;
+
+       poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
+       if (!poppler_field)
+               return NULL;
+       
+       text = poppler_form_field_text_get_text (poppler_field);
+       g_object_unref (poppler_field);
+
+       return text;
+}
+
+static void
+pdf_document_forms_form_field_text_set_text (EvDocumentForms *document, 
+                                            EvFormField     *field,
+                                            const gchar     *text)
+{
+       PdfDocument *pdf_document = PDF_DOCUMENT (document);
+       PopplerFormField *poppler_field;
+
+       poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
+       if (!poppler_field)
+               return;
+       poppler_form_field_text_set_text (poppler_field, text);
+       g_object_unref (poppler_field);
+}
+
+static void
+pdf_document_forms_form_field_button_set_state (EvDocumentForms *document, 
+                                               EvFormField     *field,
+                                               gboolean         state)
+{
+       PdfDocument *pdf_document = PDF_DOCUMENT (document);
+       PopplerFormField *poppler_field;
+
+       poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
+       if (!poppler_field)
+               return;
+       
+       poppler_form_field_button_set_state (poppler_field, state);
+       g_object_unref (poppler_field);
+}
+
+static gboolean
+pdf_document_forms_form_field_button_get_state (EvDocumentForms *document, 
+                                               EvFormField     *field)
+{
+       PdfDocument *pdf_document = PDF_DOCUMENT (document);
+       PopplerFormField *poppler_field;
+       gboolean state;
+
+       poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
+       if (!poppler_field)
+               return FALSE;
+
+       state = poppler_form_field_button_get_state (poppler_field);
+       g_object_unref (poppler_field);
+
+       return state;
+}
+
+static gchar *
+pdf_document_forms_form_field_choice_get_item (EvDocumentForms *document, 
+                                              EvFormField     *field,
+                                              gint             index)
+{
+       PdfDocument *pdf_document = PDF_DOCUMENT (document);
+       PopplerFormField *poppler_field;
+       gchar *text;
+
+       poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
+       if (!poppler_field)
+               return NULL;
+
+       text = poppler_form_field_choice_get_item (poppler_field, index);
+       g_object_unref (poppler_field);
+
+       return text;
+}
+
+static int
+pdf_document_forms_form_field_choice_get_n_items (EvDocumentForms *document, 
+                                                 EvFormField     *field)
+{
+       PdfDocument *pdf_document = PDF_DOCUMENT (document);
+       PopplerFormField *poppler_field;
+       gint n_items;
+
+       poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
+       if (!poppler_field)
+               return -1;
+       
+       n_items = poppler_form_field_choice_get_n_items (poppler_field);
+       g_object_unref (poppler_field);
+
+       return n_items;
+}
+
+static gboolean
+pdf_document_forms_form_field_choice_is_item_selected (EvDocumentForms *document, 
+                                                      EvFormField     *field,
+                                                      gint             index)
+{
+       PdfDocument *pdf_document = PDF_DOCUMENT (document);
+       PopplerFormField *poppler_field;
+       gboolean selected;
+
+       poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
+       if (!poppler_field)
+               return FALSE;
+
+       selected = poppler_form_field_choice_is_item_selected (poppler_field, index);
+       g_object_unref (poppler_field);
+
+       return selected;
+}
+
+static void
+pdf_document_forms_form_field_choice_select_item (EvDocumentForms *document, 
+                                                 EvFormField     *field,
+                                                 gint             index)
+{
+       PdfDocument *pdf_document = PDF_DOCUMENT (document);
+       PopplerFormField *poppler_field;
+
+       poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
+       if (!poppler_field)
+               return;
+
+       poppler_form_field_choice_select_item (poppler_field, index);
+       g_object_unref (poppler_field);
+}
+
+static void
+pdf_document_forms_form_field_choice_toggle_item (EvDocumentForms *document, 
+                                                 EvFormField     *field,
+                                                 gint             index)
+{
+       PdfDocument *pdf_document = PDF_DOCUMENT (document);
+       PopplerFormField *poppler_field;
+
+       poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
+       if (!poppler_field)
+               return;
+
+       poppler_form_field_choice_toggle_item (poppler_field, index);
+       g_object_unref (poppler_field);
+}
+
+static void
+pdf_document_forms_form_field_choice_unselect_all (EvDocumentForms *document, 
+                                                  EvFormField     *field)
+{
+       PdfDocument *pdf_document = PDF_DOCUMENT (document);
+       PopplerFormField *poppler_field;
+
+       poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
+       if (!poppler_field)
+               return;
+       
+       poppler_form_field_choice_unselect_all (poppler_field);
+       g_object_unref (poppler_field);
+}
+
+static void
+pdf_document_forms_form_field_choice_set_text (EvDocumentForms *document,
+                                              EvFormField     *field,
+                                              const gchar     *text)
+{
+       PdfDocument *pdf_document = PDF_DOCUMENT (document);
+       PopplerFormField *poppler_field;
+
+       poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
+       if (!poppler_field)
+               return;
+       
+       poppler_form_field_choice_set_text (poppler_field, text);
+       g_object_unref (poppler_field);
+}
+
+static gchar *
+pdf_document_forms_form_field_choice_get_text (EvDocumentForms *document,
+                                              EvFormField     *field)
+{
+       PdfDocument *pdf_document = PDF_DOCUMENT (document);
+       PopplerFormField *poppler_field;
+       gchar *text;
+
+       poppler_field = poppler_document_get_form_field (pdf_document->document, field->id);
+       if (!poppler_field)
+               return NULL;
+
+       text = poppler_form_field_choice_get_text (poppler_field);
+       g_object_unref (poppler_field);
+
+       return text;
+}
+
+static void
+pdf_document_document_forms_iface_init (EvDocumentFormsIface *iface)
+{
+       iface->get_form_fields = pdf_document_forms_get_form_fields;
+       iface->form_field_text_get_text = pdf_document_forms_form_field_text_get_text;
+       iface->form_field_text_set_text = pdf_document_forms_form_field_text_set_text;
+       iface->form_field_button_set_state = pdf_document_forms_form_field_button_set_state;
+       iface->form_field_button_get_state = pdf_document_forms_form_field_button_get_state;
+       iface->form_field_choice_get_item = pdf_document_forms_form_field_choice_get_item;
+       iface->form_field_choice_get_n_items = pdf_document_forms_form_field_choice_get_n_items;
+       iface->form_field_choice_is_item_selected = pdf_document_forms_form_field_choice_is_item_selected;
+       iface->form_field_choice_select_item = pdf_document_forms_form_field_choice_select_item;
+       iface->form_field_choice_toggle_item = pdf_document_forms_form_field_choice_toggle_item;
+       iface->form_field_choice_unselect_all = pdf_document_forms_form_field_choice_unselect_all;
+       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;
+}
+