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authorAdrian Johnson <ajohnson@redneon.com>2009-12-23 17:16:59 (GMT)
committer Carlos Garcia Campos <carlosgc@gnome.org>2009-12-23 17:18:54 (GMT)
commit7a84044cdf9470e21fd8c2d65b253a4eeed203fc (patch)
treeeab1d2743b17f6044dd12b4e7c73aac5884ebdc3 /libview
parent207192392258ab19ba71dbcfcc613912a5fc4c2c (diff)
[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
Diffstat (limited to 'libview')
-rw-r--r--libview/ev-print-operation.c62
1 files changed, 56 insertions, 6 deletions
diff --git a/libview/ev-print-operation.c b/libview/ev-print-operation.c
index 969414e..4c6d036 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