diff options
| -rw-r--r-- | fastiv-view.c | 80 |
1 files changed, 71 insertions, 9 deletions
diff --git a/fastiv-view.c b/fastiv-view.c index b2bc875..81e4add 100644 --- a/fastiv-view.c +++ b/fastiv-view.c @@ -569,18 +569,78 @@ show_error_dialog(GtkWindow *parent, GError *error) g_error_free(error); } +static GtkWindow * +get_toplevel(GtkWidget *widget) +{ + if (GTK_IS_WINDOW((widget = gtk_widget_get_toplevel(widget)))) + return GTK_WINDOW(widget); + return NULL; +} + +static void +on_draw_page(G_GNUC_UNUSED GtkPrintOperation *operation, + GtkPrintContext *context, G_GNUC_UNUSED int page_nr, FastivView *self) +{ + double surface_width_px = 0, surface_height_px = 0; + get_surface_dimensions(self, &surface_width_px, &surface_height_px); + + // Any DPI will be wrong, unless we import that information from the image. + double scale = 1 / 96.; + double w = surface_width_px * scale, h = surface_height_px * scale; + + // Scale down to fit the print area, taking care to not divide by zero. + double areaw = gtk_print_context_get_width(context); + double areah = gtk_print_context_get_height(context); + scale *= fmin((areaw < w) ? areaw / w : 1, (areah < h) ? areah / h : 1); + + cairo_t *cr = gtk_print_context_get_cairo_context(context); + cairo_scale(cr, scale, scale); + cairo_set_source_surface(cr, self->frame, 0, 0); + cairo_matrix_t matrix = get_orientation_matrix( + self->orientation, surface_width_px, surface_height_px); + cairo_pattern_set_matrix(cairo_get_source(cr), &matrix); + cairo_paint(cr); +} + +static gboolean +print(FastivView *self) +{ + GtkPrintOperation *print = gtk_print_operation_new(); + gtk_print_operation_set_n_pages(print, 1); + gtk_print_operation_set_embed_page_setup(print, TRUE); + gtk_print_operation_set_unit(print, GTK_UNIT_INCH); + gtk_print_operation_set_job_name(print, "Image"); + g_signal_connect(print, "draw-page", G_CALLBACK(on_draw_page), self); + + static GtkPrintSettings *settings = NULL; + if (settings != NULL) + gtk_print_operation_set_print_settings(print, settings); + + GError *error = NULL; + GtkWindow *window = get_toplevel(GTK_WIDGET(self)); + GtkPrintOperationResult res = gtk_print_operation_run( + print, GTK_PRINT_OPERATION_ACTION_PRINT_DIALOG, window, &error); + if (res == GTK_PRINT_OPERATION_RESULT_APPLY) { + if (settings != NULL) + g_object_unref(settings); + settings = g_object_ref(gtk_print_operation_get_print_settings(print)); + } + if (error) + show_error_dialog(window, error); + + g_object_unref(print); + return TRUE; +} + static gboolean save_as(FastivView *self, gboolean frame) { - GtkWindow *window = NULL; - GtkWidget *widget = NULL; - if (GTK_IS_WINDOW((widget = gtk_widget_get_toplevel(GTK_WIDGET(self))))) - window = GTK_WINDOW(widget); - - GtkWidget *dialog = - gtk_file_chooser_dialog_new(frame ? "Save frame as" : "Save page as", - window, GTK_FILE_CHOOSER_ACTION_SAVE, - "_Cancel", GTK_RESPONSE_CANCEL, "_Save", GTK_RESPONSE_ACCEPT, NULL); + GtkWindow *window = get_toplevel(GTK_WIDGET(self)); + GtkWidget *dialog = gtk_file_chooser_dialog_new( + frame ? "Save frame as" : "Save page as", + window, GTK_FILE_CHOOSER_ACTION_SAVE, + "_Cancel", GTK_RESPONSE_CANCEL, "_Save", GTK_RESPONSE_ACCEPT, NULL); + GtkFileChooser *chooser = GTK_FILE_CHOOSER(dialog); // TODO(p): Consider a hard dependency on libwebp, or clean this up. @@ -657,6 +717,8 @@ fastiv_view_key_press_event(GtkWidget *widget, GdkEventKey *event) return set_scale(self, self->scale * SCALE_STEP); case GDK_KEY_minus: return set_scale(self, self->scale / SCALE_STEP); + case GDK_KEY_p: + return print(self); case GDK_KEY_s: return save_as(self, FALSE); case GDK_KEY_S: |