From 7a84044cdf9470e21fd8c2d65b253a4eeed203fc Mon Sep 17 00:00:00 2001 From: Adrian Johnson Date: Wed, 23 Dec 2009 18:16:59 +0100 Subject: [PATCH] [printing] Add autorotate and center print option Add a checkbox to the evince print setup tab that when selected: - rotates each printed page to match the document page orientation - centers the document page within the printed page bgo#599470 --- libview/ev-print-operation.c | 62 ++++++++++++++++++++++++++++++++---- 1 file changed, 56 insertions(+), 6 deletions(-) diff --git a/libview/ev-print-operation.c b/libview/ev-print-operation.c index 969414e3..4c6d0361 100644 --- a/libview/ev-print-operation.c +++ b/libview/ev-print-operation.c @@ -1521,6 +1521,7 @@ typedef enum { } EvPrintScale; #define EV_PRINT_SETTING_PAGE_SCALE "evince-print-setting-page-scale" +#define EV_PRINT_SETTING_AUTOROTATE "evince-print-setting-page-autorotate" struct _EvPrintOperationPrint { EvPrintOperation parent; @@ -1534,6 +1535,8 @@ struct _EvPrintOperationPrint { /* Page handling tab */ GtkWidget *scale_combo; EvPrintScale page_scale; + GtkWidget *autorotate_button; + gboolean autorotate; }; struct _EvPrintOperationPrintClass { @@ -1732,6 +1735,9 @@ ev_print_operation_print_request_page_setup (EvPrintOperationPrint *print, EvPrintOperation *op = EV_PRINT_OPERATION (print); gdouble width, height; + if (!print->autorotate) + return; + ev_document_get_page_size (op->document, page_nr, &width, &height); if (width > height) @@ -1794,12 +1800,15 @@ ev_print_operation_print_draw_page (EvPrintOperationPrint *print, cr = gtk_print_context_get_cairo_context (context); cr_width = gtk_print_context_get_width (context); cr_height = gtk_print_context_get_height (context); - ev_document_get_page_size (op->document, page, - &width, &height); + ev_document_get_page_size (op->document, page, &width, &height); - _print_context_get_hard_margins (context, &top, &bottom, &left, &right); + if (print->page_scale == EV_SCALE_NONE) { + /* Center document page on the printed page */ + if (print->autorotate) + cairo_translate (cr, (cr_width - width) / 2, (cr_height - height) / 2); + } else { + _print_context_get_hard_margins (context, &top, &bottom, &left, &right); - if (print->page_scale != EV_SCALE_NONE) { x_scale = (cr_width - left - right) / width; y_scale = (cr_height - top - bottom) / height; @@ -1808,8 +1817,35 @@ ev_print_operation_print_draw_page (EvPrintOperationPrint *print, else scale = y_scale; - if (print->page_scale == EV_SCALE_FIT_TO_PRINTABLE_AREA || scale < 1.0) { + if (print->autorotate) { + double left_right_sides, top_bottom_sides; + + cairo_translate (cr, (cr_width - scale * width) / 2, + (cr_height - scale * height) / 2); + + /* Ensure document page is within the margins. The + * scale guarantees the document will fit in the + * margins so we just need to check each side and + * if it overhangs the margin, translate it to the + * margin. */ + left_right_sides = (cr_width - width*scale)/2; + top_bottom_sides = (cr_height - height*scale)/2; + if (left_right_sides < left) + cairo_translate (cr, left - left_right_sides, 0); + + if (left_right_sides < right) + cairo_translate (cr, -(right - left_right_sides), 0); + + if (top_bottom_sides < top) + cairo_translate (cr, 0, top - top_bottom_sides); + + if (top_bottom_sides < bottom) + cairo_translate (cr, 0, -(bottom - top_bottom_sides)); + } else { cairo_translate (cr, left, top); + } + + if (print->page_scale == EV_SCALE_FIT_TO_PRINTABLE_AREA || scale < 1.0) { cairo_scale (cr, scale, scale); } } @@ -1826,11 +1862,15 @@ ev_print_operation_print_create_custom_widget (EvPrintOperationPrint *print, GtkWidget *label; GtkWidget *table; EvPrintScale page_scale; + gboolean autorotate = TRUE; settings = gtk_print_operation_get_print_settings (print->op); page_scale = gtk_print_settings_get_int_with_default (settings, EV_PRINT_SETTING_PAGE_SCALE, 0); + autorotate = gtk_print_settings_has_key (settings, EV_PRINT_SETTING_AUTOROTATE) ? + gtk_print_settings_get_bool (settings, EV_PRINT_SETTING_AUTOROTATE) : + TRUE; - table = gtk_table_new (1, 2, FALSE); + table = gtk_table_new (2, 2, FALSE); gtk_table_set_row_spacings (GTK_TABLE (table), 6); gtk_table_set_col_spacings (GTK_TABLE (table), 12); gtk_container_set_border_width (GTK_CONTAINER (table), 12); @@ -1857,6 +1897,14 @@ ev_print_operation_print_create_custom_widget (EvPrintOperationPrint *print, gtk_table_attach (GTK_TABLE (table), print->scale_combo, 1, 2, 0, 1, GTK_FILL, 0, 0, 0); gtk_widget_show (print->scale_combo); + print->autorotate_button = gtk_check_button_new_with_label (_("Auto Rotate and Center")); + gtk_toggle_button_set_active (GTK_TOGGLE_BUTTON (print->autorotate_button), autorotate); + gtk_widget_set_tooltip_text (print->autorotate_button, + _("Rotate printer page orientation of each page to match orientation of each document page. " + "Document pages will be centered within the printer page.")); + gtk_table_attach (GTK_TABLE (table), print->autorotate_button, 0, 2, 1, 2, GTK_FILL, 0, 0, 0); + gtk_widget_show (print->autorotate_button); + return G_OBJECT (table); } @@ -1867,8 +1915,10 @@ ev_print_operation_print_custom_widget_apply (EvPrintOperationPrint *print, GtkPrintSettings *settings; print->page_scale = gtk_combo_box_get_active (GTK_COMBO_BOX (print->scale_combo)); + print->autorotate = gtk_toggle_button_get_active (GTK_TOGGLE_BUTTON (print->autorotate_button)); settings = gtk_print_operation_get_print_settings (print->op); gtk_print_settings_set_int (settings, EV_PRINT_SETTING_PAGE_SCALE, print->page_scale); + gtk_print_settings_set_bool (settings, EV_PRINT_SETTING_AUTOROTATE, print->autorotate); } static void -- 2.43.5