[util/shape-consumer] Simplify font tracking
diff --git a/util/shape-consumer.hh b/util/shape-consumer.hh
index 333e5e8..2115189 100644
--- a/util/shape-consumer.hh
+++ b/util/shape-consumer.hh
@@ -41,19 +41,20 @@
output.add_options (parser);
}
- void init (const font_options_t *font_opts)
+ template <typename app_t>
+ void init (const app_t *app)
{
- font = hb_font_reference (font_opts->font);
failed = false;
buffer = hb_buffer_create ();
- output.init (buffer, font_opts);
+ output.init (buffer, app);
}
- bool consume_line (shape_text_options_t &text_opts)
+ template <typename app_t>
+ bool consume_line (app_t &app)
{
unsigned int text_len;
const char *text;
- if (!(text = text_opts.get_line (&text_len)))
+ if (!(text = app.get_line (&text_len)))
return false;
output.new_line ();
@@ -62,10 +63,10 @@
{
const char *error = nullptr;
- populate_buffer (buffer, text, text_len, text_opts.text_before, text_opts.text_after);
+ populate_buffer (buffer, text, text_len, app.text_before, app.text_after);
if (n == 1)
output.consume_text (buffer, text, text_len, utf8_clusters);
- if (!shape (font, buffer, &error))
+ if (!shape (app.font, buffer, &error))
{
failed = true;
output.error (error);
@@ -79,11 +80,10 @@
output.consume_glyphs (buffer, text, text_len, utf8_clusters);
return true;
}
- void finish (const font_options_t *font_opts)
+ template <typename app_t>
+ void finish (const app_t *app)
{
- output.finish (buffer, font_opts);
- hb_font_destroy (font);
- font = nullptr;
+ output.finish (buffer, app);
hb_buffer_destroy (buffer);
buffer = nullptr;
}
@@ -94,7 +94,6 @@
protected:
output_t output;
- hb_font_t *font = nullptr;
hb_buffer_t *buffer = nullptr;
};