105 static void photos_print_preview_draw (PhotosPrintPreview *preview, cairo_t *cr);
107 static void update_relative_sizes (PhotosPrintPreview *preview);
108 static void create_surface (PhotosPrintPreview *preview);
109 static void create_image_scaled (PhotosPrintPreview *preview);
110 static gboolean create_surface_when_idle (PhotosPrintPreview *preview);
442 photos_print_preview_init (PhotosPrintPreview *preview)  in photos_print_preview_init()  argument
446 	preview->area = GTK_WIDGET (gtk_drawing_area_new ());  in photos_print_preview_init()
448 	gtk_container_add (GTK_CONTAINER (preview), preview->area);  in photos_print_preview_init()
450 	preview->p_width  =  8.5;  in photos_print_preview_init()
451 	preview->p_height = 11.0;  in photos_print_preview_init()
453 	ratio = preview->p_width/preview->p_height;  in photos_print_preview_init()
455 	gtk_aspect_frame_set (GTK_ASPECT_FRAME (preview),  in photos_print_preview_init()
458 	preview->pixbuf = NULL;  in photos_print_preview_init()
459 	preview->pixbuf_scaled = NULL;  in photos_print_preview_init()
460 	preview->pixbuf_x_align = 0.5;  in photos_print_preview_init()
461 	preview->pixbuf_y_align = 0.5;  in photos_print_preview_init()
462 	preview->i_scale = 1;  in photos_print_preview_init()
464 	preview->surface = NULL;  in photos_print_preview_init()
465 	preview->flag_create_surface = TRUE;  in photos_print_preview_init()
467 	preview->p_scale = 0;  in photos_print_preview_init()
469 	preview->l_margin = 0.25;  in photos_print_preview_init()
470 	preview->r_margin = 0.25;  in photos_print_preview_init()
471 	preview->t_margin = 0.25;  in photos_print_preview_init()
472 	preview->b_margin = 0.56;  in photos_print_preview_init()
474 	preview->grabbed = FALSE;  in photos_print_preview_init()
475 	preview->cursorx = 0;  in photos_print_preview_init()
476 	preview->cursory = 0;  in photos_print_preview_init()
477 	preview->r_dx    = 0;  in photos_print_preview_init()
478 	preview->r_dy    = 0;  in photos_print_preview_init()
503 	PhotosPrintPreview *preview;  in photos_print_preview_new_with_pixbuf()  local
507 	preview = PHOTOS_PRINT_PREVIEW (photos_print_preview_new ());  in photos_print_preview_new_with_pixbuf()
509 	preview->pixbuf = g_object_ref (pixbuf);  in photos_print_preview_new_with_pixbuf()
511 	update_relative_sizes (preview);  in photos_print_preview_new_with_pixbuf()
513 	return GTK_WIDGET (preview);  in photos_print_preview_new_with_pixbuf()
529 	PhotosPrintPreview *preview;  in photos_print_preview_new()  local
532 	preview = g_object_new (PHOTOS_TYPE_PRINT_PREVIEW, NULL);  in photos_print_preview_new()
534 	area = preview->area;  in photos_print_preview_new()
551 			  G_CALLBACK (draw_cb), preview);  in photos_print_preview_new()
554 			  G_CALLBACK (motion_notify_event_cb), preview);  in photos_print_preview_new()
557  			  G_CALLBACK (button_press_event_cb), preview);  in photos_print_preview_new()
560 			  G_CALLBACK (button_release_event_cb), preview);  in photos_print_preview_new()
563 			  G_CALLBACK (key_press_event_cb), preview);  in photos_print_preview_new()
566 			  G_CALLBACK (size_allocate_cb), preview);  in photos_print_preview_new()
568 	return GTK_WIDGET (preview);  in photos_print_preview_new()
600 get_current_image_coordinates (PhotosPrintPreview *preview, gint *x0, gint *y0)  in get_current_image_coordinates()  argument
604   gtk_widget_get_allocation (GTK_WIDGET (preview->area), &allocation);  in get_current_image_coordinates()
606 …= (gint) ((1 - preview->pixbuf_x_align) * preview->l_rmargin +  preview->pixbuf_x_align * (allocat…  in get_current_image_coordinates()
607 … (gint) ((1 - preview->pixbuf_y_align) * preview->t_rmargin +  preview->pixbuf_y_align * (allocati…  in get_current_image_coordinates()
623 press_inside_image_area (PhotosPrintPreview *preview, guint x, guint y)  in press_inside_image_area()  argument
630   get_current_image_coordinates (preview, &x0, &y0);  in press_inside_image_area()
632   if (xs >= x0 &&  ys >= y0 && xs <= x0 + preview->r_width && ys <= y0 + preview->r_height)  in press_inside_image_area()
640 photos_print_preview_point_in_image_area (PhotosPrintPreview *preview, guint x, guint y)  in photos_print_preview_point_in_image_area()  argument
642   g_return_val_if_fail (PHOTOS_IS_PRINT_PREVIEW (preview), FALSE);  in photos_print_preview_point_in_image_area()
644   return press_inside_image_area (preview, x, y);  in photos_print_preview_point_in_image_area()
649 create_image_scaled (PhotosPrintPreview *preview)  in create_image_scaled()  argument
651   if (preview->pixbuf_scaled == NULL)  in create_image_scaled()
657       gtk_widget_get_allocation (preview->area, &allocation);  in create_image_scaled()
658       i_width = gdk_pixbuf_get_width (preview->pixbuf);  in create_image_scaled()
659       i_height = gdk_pixbuf_get_height (preview->pixbuf);  in create_image_scaled()
666           preview->pixbuf_scaled = gdk_pixbuf_scale_simple (preview->pixbuf,  in create_image_scaled()
673           preview->pixbuf_scaled = preview->pixbuf;  in create_image_scaled()
674           g_object_ref (preview->pixbuf_scaled);  in create_image_scaled()
680 create_preview_buffer (PhotosPrintPreview *preview)  in create_preview_buffer()  argument
686 	if (preview->pixbuf == NULL) {  in create_preview_buffer()
690 	create_image_scaled (preview);  in create_preview_buffer()
692 	width  = gdk_pixbuf_get_width (preview->pixbuf);  in create_preview_buffer()
693 	height = gdk_pixbuf_get_height (preview->pixbuf);  in create_preview_buffer()
695 	width   *= preview->i_scale * preview->p_scale;  in create_preview_buffer()
696 	height  *= preview->i_scale * preview->p_scale;  in create_preview_buffer()
705 	if (preview->pixbuf_scaled) {  in create_preview_buffer()
706 		pixbuf = gdk_pixbuf_scale_simple (preview->pixbuf_scaled,  in create_preview_buffer()
709 		pixbuf = gdk_pixbuf_scale_simple (preview->pixbuf,  in create_preview_buffer()
718 create_surface (PhotosPrintPreview *preview)  in create_surface()  argument
722   if (preview->surface != NULL)  in create_surface()
724       cairo_surface_destroy (preview->surface);  in create_surface()
725       preview->surface = NULL;  in create_surface()
728   pixbuf = create_preview_buffer (preview);  in create_surface()
731       preview->surface = gdk_cairo_surface_create_from_pixbuf (pixbuf, 0,  in create_surface()
732 …                                                     gtk_widget_get_window (GTK_WIDGET (preview)));  in create_surface()
736   preview->flag_create_surface = FALSE;  in create_surface()
741 create_surface_when_idle (PhotosPrintPreview *preview)  in create_surface_when_idle()  argument
743   create_surface (preview);  in create_surface_when_idle()
752   PhotosPrintPreview *preview = PHOTOS_PRINT_PREVIEW (user_data);  in button_press_event_cb()  local
754   preview->cursorx = event->x;  in button_press_event_cb()
755   preview->cursory = event->y;  in button_press_event_cb()
760       preview->grabbed = press_inside_image_area (preview, event->x, event->y);  in button_press_event_cb()
767   if (preview->grabbed)  in button_press_event_cb()
769       gtk_widget_queue_draw (GTK_WIDGET (preview));  in button_press_event_cb()
772   gtk_widget_grab_focus (preview->area);  in button_press_event_cb()
781   PhotosPrintPreview *preview = PHOTOS_PRINT_PREVIEW (user_data);  in button_release_event_cb()  local
786       preview->grabbed = FALSE;  in button_release_event_cb()
787       preview->r_dx = 0;  in button_release_event_cb()
788       preview->r_dy = 0;  in button_release_event_cb()
789       gtk_widget_queue_draw (GTK_WIDGET (preview));  in button_release_event_cb()
918   PhotosPrintPreview *preview;  in size_allocate_cb()  local
920   preview = PHOTOS_PRINT_PREVIEW (user_data);  in size_allocate_cb()
921   update_relative_sizes (preview);  in size_allocate_cb()
923   preview->flag_create_surface = TRUE;  in size_allocate_cb()
925   if (preview->pixbuf_scaled != NULL)  in size_allocate_cb()
927       g_object_unref (preview->pixbuf_scaled);  in size_allocate_cb()
928       preview->pixbuf_scaled = NULL;  in size_allocate_cb()
931   g_idle_add ((GSourceFunc) create_surface_when_idle, preview);  in size_allocate_cb()
936 photos_print_preview_draw (PhotosPrintPreview *preview, cairo_t *cr)  in photos_print_preview_draw()  argument
943 	area = preview->area;  in photos_print_preview_draw()
958 			 preview->l_rmargin, preview->t_rmargin,  in photos_print_preview_draw()
959 			 allocation.width - preview->l_rmargin - preview->r_rmargin,  in photos_print_preview_draw()
960 			 allocation.height - preview->t_rmargin - preview->b_rmargin);  in photos_print_preview_draw()
963 	get_current_image_coordinates (preview, &x0, &y0);  in photos_print_preview_draw()
965 	if (preview->flag_create_surface) {  in photos_print_preview_draw()
966 		create_surface (preview);  in photos_print_preview_draw()
969 	if (preview->surface) {  in photos_print_preview_draw()
970 		cairo_set_source_surface (cr, preview->surface, x0, y0);  in photos_print_preview_draw()
972 	} else if (preview->pixbuf_scaled) {  in photos_print_preview_draw()
976 		gdouble scale = preview->i_scale * preview->p_scale *  in photos_print_preview_draw()
977 			gdk_pixbuf_get_width (preview->pixbuf) / gdk_pixbuf_get_width (preview->pixbuf_scaled);  in photos_print_preview_draw()
982 		gdk_cairo_set_source_pixbuf (cr, preview->pixbuf_scaled, x0, y0);  in photos_print_preview_draw()
984 	} else if (preview->pixbuf) {  in photos_print_preview_draw()
988 		x0 /=  preview->i_scale * preview->p_scale;  in photos_print_preview_draw()
989 		y0 /=  preview->i_scale * preview->p_scale;  in photos_print_preview_draw()
991 		cairo_scale (cr, preview->i_scale*preview->p_scale, preview->i_scale*preview->p_scale);  in photos_print_preview_draw()
992 		gdk_cairo_set_source_pixbuf (cr, preview->pixbuf, x0, y0);  in photos_print_preview_draw()
1001 				  preview->r_width, preview->r_height);  in photos_print_preview_draw()
1006 update_relative_sizes (PhotosPrintPreview *preview)  in update_relative_sizes()  argument
1011 	if (preview->pixbuf != NULL) {  in update_relative_sizes()
1012 		i_width = gdk_pixbuf_get_width (preview->pixbuf);  in update_relative_sizes()
1013 		i_height = gdk_pixbuf_get_height (preview->pixbuf);  in update_relative_sizes()
1018 	gtk_widget_get_allocation (preview->area, &allocation);  in update_relative_sizes()
1020 	preview->p_scale = (gfloat) allocation.width / (preview->p_width * 72.0);  in update_relative_sizes()
1022 	preview->r_width  = (gint) i_width  * preview->i_scale * preview->p_scale;  in update_relative_sizes()
1023 	preview->r_height = (gint) i_height * preview->i_scale * preview->p_scale;  in update_relative_sizes()
1025 	preview->l_rmargin = (gint) (72. * preview->l_margin * preview->p_scale);  in update_relative_sizes()
1026 	preview->r_rmargin = (gint) (72. * preview->r_margin * preview->p_scale);  in update_relative_sizes()
1027 	preview->t_rmargin = (gint) (72. * preview->t_margin * preview->p_scale);  in update_relative_sizes()
1028 	preview->b_rmargin = (gint) (72. * preview->b_margin * preview->p_scale);  in update_relative_sizes()
1043 photos_print_preview_set_page_margins (PhotosPrintPreview *preview,  in photos_print_preview_set_page_margins()  argument
1049 	g_return_if_fail (PHOTOS_IS_PRINT_PREVIEW (preview));  in photos_print_preview_set_page_margins()
1051 	g_object_set (G_OBJECT(preview),  in photos_print_preview_set_page_margins()
1069 photos_print_preview_set_from_page_setup (PhotosPrintPreview *preview,  in photos_print_preview_set_from_page_setup()  argument
1072 	g_return_if_fail (PHOTOS_IS_PRINT_PREVIEW (preview));  in photos_print_preview_set_from_page_setup()
1075 	g_object_set (G_OBJECT (preview),  in photos_print_preview_set_from_page_setup()
1097 photos_print_preview_get_image_position (PhotosPrintPreview *preview,  in photos_print_preview_get_image_position()  argument
1103 	g_return_if_fail (PHOTOS_IS_PRINT_PREVIEW (preview));  in photos_print_preview_get_image_position()
1106 		width  = gdk_pixbuf_get_width (preview->pixbuf)  * preview->i_scale / 72.;  in photos_print_preview_get_image_position()
1107 …*x = preview->pixbuf_x_align * (preview->p_width  - preview->l_margin - preview->r_margin - width);  in photos_print_preview_get_image_position()
1110 		height = gdk_pixbuf_get_height (preview->pixbuf) * preview->i_scale / 72.;  in photos_print_preview_get_image_position()
1111 …*y = preview->pixbuf_y_align * (preview->p_height - preview->t_margin - preview->b_margin - height…  in photos_print_preview_get_image_position()
1126 photos_print_preview_set_image_position (PhotosPrintPreview *preview,  in photos_print_preview_set_image_position()  argument
1133 	g_return_if_fail (PHOTOS_IS_PRINT_PREVIEW (preview));  in photos_print_preview_set_image_position()
1136 		width  = gdk_pixbuf_get_width (preview->pixbuf) * preview->i_scale / 72.;  in photos_print_preview_set_image_position()
1137 		x_align = CLAMP (x/(preview->p_width - preview->l_margin - preview->r_margin - width), 0, 1);  in photos_print_preview_set_image_position()
1138 		g_object_set (preview, "pixbuf-x-align", x_align, NULL);  in photos_print_preview_set_image_position()
1142 		height  = gdk_pixbuf_get_height (preview->pixbuf) * preview->i_scale / 72.;  in photos_print_preview_set_image_position()
1143 		y_align = CLAMP (y/(preview->p_height - preview->t_margin - preview->b_margin - height), 0, 1);  in photos_print_preview_set_image_position()
1144 		g_object_set (preview, "pixbuf-y-align", y_align, NULL);  in photos_print_preview_set_image_position()
1157 photos_print_preview_set_scale (PhotosPrintPreview *preview, gfloat scale)  in photos_print_preview_set_scale()  argument
1159 	g_return_if_fail (PHOTOS_IS_PRINT_PREVIEW (preview));  in photos_print_preview_set_scale()
1161 	g_object_set (preview,  in photos_print_preview_set_scale()
1165 	g_signal_emit (G_OBJECT (preview),  in photos_print_preview_set_scale()
1181 photos_print_preview_get_scale (PhotosPrintPreview *preview)  in photos_print_preview_get_scale()  argument
1185 	g_return_val_if_fail (PHOTOS_IS_PRINT_PREVIEW (preview), 0);  in photos_print_preview_get_scale()
1187 	g_object_get (preview,  in photos_print_preview_get_scale()