[pango/pango-view-spacing] pango-view: Add a --spacing option

[Matthias Clasen <matthiasc src gnome org>]

commit f0e00a7998590d79e04e3c466da29ff1233fab78
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Jul 4 18:51:30 2019 +0000

    pango-view: Add a --spacing option

 utils/viewer-render.c | 6 ++++++
 1 file changed, 6 insertions(+)
---
diff --git a/utils/viewer-render.c b/utils/viewer-render.c
index 573cb59a..51ba00fb 100644
--- a/utils/viewer-render.c
+++ b/utils/viewer-render.c
@@ -51,6 +51,7 @@ gboolean opt_waterfall = FALSE;
 int opt_width = -1;
 int opt_height = -1;
 int opt_indent = 0;
+int opt_spacing = 0;
 gboolean opt_justify = 0;
 int opt_runs = 1;
 PangoAlignment opt_align = PANGO_ALIGN_LEFT;
@@ -122,6 +123,9 @@ make_layout(PangoContext *context,
   if (opt_indent != 0)
     pango_layout_set_indent (layout, (opt_indent * opt_dpi * PANGO_SCALE + 36) / 72);
 
+  if (opt_spacing != 0)
+    pango_layout_set_spacing (layout, (opt_spacing * opt_dpi * PANGO_SCALE + 36) / 72);
+
   align = opt_align;
   if (align != PANGO_ALIGN_CENTER &&
       pango_context_get_base_dir (context) != PANGO_DIRECTION_LTR) {
@@ -704,6 +708,8 @@ parse_options (int argc, char *argv[])
      "Hinting style",                                      "none/auto/full"},
     {"indent",         0, 0, G_OPTION_ARG_INT,                         &opt_indent,
      "Width in points to indent paragraphs",                       "points"},
+    {"spacing",                0, 0, G_OPTION_ARG_INT,                         &opt_spacing,
+     "Spacing in points between lines",                                    "points"},
     {"justify",                0, 0, G_OPTION_ARG_NONE,                        &opt_justify,
      "Align paragraph lines to be justified",                          NULL},
     {"language",       0, 0, G_OPTION_ARG_STRING,                      &opt_language,