X-Git-Url: https://www.fi.muni.cz/~kas/git//home/kas/public_html/git/?a=blobdiff_plain;f=backend%2Fpdf%2Fev-poppler.cc;h=5b0398047c458ec8e84f286739270951c9b20a58;hb=f792ebcef8eab6e0b8fc5ff185851d038afbab56;hp=8af07fd4fdb8f3a4a63c8850a7f74323334ecffd;hpb=a953c6011f2fba7441758469118a886a33458e50;p=evince.git diff --git a/backend/pdf/ev-poppler.cc b/backend/pdf/ev-poppler.cc index 8af07fd4..5b039804 100644 --- a/backend/pdf/ev-poppler.cc +++ b/backend/pdf/ev-poppler.cc @@ -19,10 +19,6 @@ #include "config.h" -#ifdef HAVE_POPPLER_FORM_FIELD_BUTTON_GET_BUTTON_TYPE -#define HAVE_FORMS -#endif - #include #include #include @@ -52,7 +48,7 @@ #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 @@ -67,18 +63,19 @@ typedef struct { typedef struct { EvFileExporterFormat format; - PopplerPSFile *ps_file; /* Pages per sheet */ gint pages_per_sheet; gint pages_printed; gint pages_x; gint pages_y; - gdouble page_width; - gdouble page_height; + gdouble paper_width; + gdouble paper_height; #ifdef HAVE_CAIRO_PRINT cairo_t *cr; +#else + PopplerPSFile *ps_file; #endif } PdfPrintContext; @@ -126,11 +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); -#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, @@ -152,31 +146,6 @@ 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, @@ -565,12 +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) { @@ -716,31 +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) { @@ -752,8 +690,6 @@ pdf_document_document_iface_init (EvDocumentIface *iface) iface->has_attachments = pdf_document_has_attachments; iface->get_attachments = pdf_document_get_attachments; iface->render = pdf_document_render; - iface->get_text = pdf_document_get_text; - iface->can_get_text = pdf_document_can_get_text; iface->get_info = pdf_document_get_info; }; @@ -921,7 +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; @@ -936,13 +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; @@ -1092,8 +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; } @@ -1559,15 +1503,16 @@ pdf_print_context_free (PdfPrintContext *ctx) if (!ctx) return; - if (ctx->ps_file) { - poppler_ps_file_free (ctx->ps_file); - ctx->ps_file = NULL; - } #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; + } #endif g_free (ctx); } @@ -1578,9 +1523,8 @@ pdf_document_file_exporter_begin (EvFileExporter *exporter, { PdfDocument *pdf_document = PDF_DOCUMENT (exporter); PdfPrintContext *ctx; - gdouble width, height; - gboolean change_orient = FALSE; #ifdef HAVE_CAIRO_PRINT + gdouble width, height; cairo_surface_t *surface = NULL; #endif @@ -1589,8 +1533,13 @@ 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; + switch (fc->pages_per_sheet) { default: case 1: @@ -1598,18 +1547,16 @@ pdf_document_file_exporter_begin (EvFileExporter *exporter, ctx->pages_y = 1; break; case 2: - change_orient = TRUE; - ctx->pages_x = 2; - ctx->pages_y = 1; + ctx->pages_x = 1; + ctx->pages_y = 2; break; case 4: ctx->pages_x = 2; ctx->pages_y = 2; break; case 6: - change_orient = TRUE; - ctx->pages_x = 3; - ctx->pages_y = 2; + ctx->pages_x = 2; + ctx->pages_y = 3; break; case 9: ctx->pages_x = 3; @@ -1621,44 +1568,60 @@ pdf_document_file_exporter_begin (EvFileExporter *exporter, break; } - if (change_orient) { - width = fc->paper_height; - height = fc->paper_width; - } else { - width = fc->paper_width; - height = fc->paper_height; - } - - ctx->page_width = width / ctx->pages_x; - ctx->page_height = height / ctx->pages_y; - ctx->pages_printed = 0; - + switch (fc->format) { case EV_FILE_FORMAT_PS: #ifdef HAVE_CAIRO_PS - surface = cairo_ps_surface_create (fc->filename, width, 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 */ + surface = cairo_ps_surface_create (fc->filename, fc->paper_width, fc->paper_height); +#endif break; case EV_FILE_FORMAT_PDF: #ifdef HAVE_CAIRO_PDF - surface = cairo_pdf_surface_create (fc->filename, width, height); + surface = cairo_pdf_surface_create (fc->filename, fc->paper_width, fc->paper_height); #endif break; default: 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 @@ -1669,8 +1632,12 @@ pdf_document_file_exporter_do_page (EvFileExporter *exporter, PdfPrintContext *ctx = pdf_document->print_ctx; PopplerPage *poppler_page; #ifdef HAVE_CAIRO_PRINT - gdouble page_width, page_height; - gint x, y; + 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); @@ -1681,23 +1648,89 @@ pdf_document_file_exporter_do_page (EvFileExporter *exporter, 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); - + + 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 * ctx->page_width, - y * ctx->page_height); - cairo_scale (ctx->cr, - ctx->page_width / page_width, - ctx->page_height / page_height); + 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) @@ -1707,6 +1740,19 @@ 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) { @@ -1745,7 +1791,9 @@ 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; } @@ -1756,6 +1804,7 @@ pdf_selection_render_selection (EvSelection *selection, cairo_surface_t **surface, EvRectangle *points, EvRectangle *old_points, + EvSelectionStyle style, GdkColor *text, GdkColor *base) { @@ -1771,7 +1820,6 @@ pdf_selection_render_selection (EvSelection *selection, width = (int) ((width_points * rc->scale) + 0.5); height = (int) ((height_points * rc->scale) + 0.5); - #ifdef HAVE_POPPLER_PAGE_RENDER cairo_t *cr; @@ -1791,7 +1839,7 @@ pdf_selection_render_selection (EvSelection *selection, cr, (PopplerRectangle *)points, (PopplerRectangle *)old_points, - POPPLER_SELECTION_NORMAL, /* SelectionStyle */ + (PopplerSelectionStyle)style, text, base); cairo_destroy (cr); @@ -1806,7 +1854,7 @@ pdf_selection_render_selection (EvSelection *selection, rc->scale, rc->rotation, pixbuf, (PopplerRectangle *)points, (PopplerRectangle *)old_points, - POPPLER_SELECTION_NORMAL, /* SelectionStyle */ + (PopplerSelectionStyle)style, text, base); if (*surface) @@ -1816,10 +1864,40 @@ pdf_selection_render_selection (EvSelection *selection, #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; @@ -1831,6 +1909,7 @@ pdf_selection_get_selection_region (EvSelection *selection, retval = poppler_page_get_selection_region ((PopplerPage *)rc->data, rc->scale, + (PopplerSelectionStyle)style, (PopplerRectangle *) points); return retval; } @@ -1851,7 +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; @@ -1861,6 +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; } @@ -1891,12 +1973,6 @@ pdf_document_page_transition_iface_init (EvDocumentTransitionIface *iface) iface->get_page_duration = pdf_document_get_page_duration; } -PdfDocument * -pdf_document_new (void) -{ - return PDF_DOCUMENT (g_object_new (PDF_TYPE_DOCUMENT, NULL)); -} - /* Forms */ static void pdf_document_get_crop_box (EvDocument *document, @@ -1916,7 +1992,6 @@ 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) { @@ -1953,10 +2028,7 @@ 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); } @@ -2015,7 +2087,7 @@ 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; @@ -2034,7 +2106,6 @@ 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); @@ -2044,19 +2115,25 @@ 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); @@ -2285,4 +2362,4 @@ 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 */ +