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-rw-r--r--fastiv-view.c80
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: