From da59c77ae271f564762abf18daa551dfdc31fee1 Mon Sep 17 00:00:00 2001 From: Matthias Clasen Date: Thu, 28 Jan 2021 18:17:22 -0500 Subject: [PATCH] widget: Use subpixel positioning Before turning off pangos rounding of glyph positions, we must check if the cairo we are using is new enough to have working subpixel positioning (the relevant cairo commit is 52a7c79fd4ff96bb5fac175f0199819b0f8c18fc). --- gtk/gtkwidget.c | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) diff --git a/gtk/gtkwidget.c b/gtk/gtkwidget.c index 3168091367..cddb261e47 100644 --- a/gtk/gtkwidget.c +++ b/gtk/gtkwidget.c @@ -6305,9 +6305,11 @@ update_pango_context (GtkWidget *widget, font_desc = gtk_css_style_get_pango_font (style); pango_context_set_font_description (context, font_desc); - pango_font_description_free (font_desc); + if (cairo_version () >= CAIRO_VERSION_ENCODE (1, 17, 4)) + pango_context_set_round_glyph_positions (context, FALSE); + pango_context_set_base_dir (context, _gtk_widget_get_direction (widget) == GTK_TEXT_DIR_LTR ? PANGO_DIRECTION_LTR : PANGO_DIRECTION_RTL); -- 2.30.2