support bold fonts

3 files changed, 21 insertions, 0 deletions

diff --git a/display.c b/display.c
index 34c2754..f214842 100644
--- a/display.c
+++ b/display.c
@@ -170,6 +170,19 @@ void runes_display_reset_text_attributes(RunesTerm *t)
 {
     runes_display_reset_fg_color(t);
     runes_display_reset_bg_color(t);
+    runes_display_reset_bold(t);
+}
+
+void runes_display_set_bold(RunesTerm *t)
+{
+    t->font_bold = 1;
+    cairo_set_scaled_font(t->cr, runes_display_make_font(t));
+}
+
+void runes_display_reset_bold(RunesTerm *t)
+{
+    t->font_bold = 0;
+    cairo_set_scaled_font(t->cr, runes_display_make_font(t));
 }
 
 void runes_display_set_fg_color(RunesTerm *t, cairo_pattern_t *color)
diff --git a/display.h b/display.h
index 14353cb..649a584 100644
--- a/display.h
+++ b/display.h
@@ -13,6 +13,8 @@ void runes_display_clear_screen(RunesTerm *t);
 void runes_display_clear_screen_forward(RunesTerm *t);
 void runes_display_kill_line_forward(RunesTerm *t);
 void runes_display_reset_text_attributes(RunesTerm *t);
+void runes_display_set_bold(RunesTerm *t);
+void runes_display_reset_bold(RunesTerm *t);
 void runes_display_set_fg_color(RunesTerm *t, cairo_pattern_t *color);
 void runes_display_reset_fg_color(RunesTerm *t);
 void runes_display_set_bg_color(RunesTerm *t, cairo_pattern_t *color);
diff --git a/vt100.c b/vt100.c
index fd2dbe3..43c2905 100644
--- a/vt100.c
+++ b/vt100.c
@@ -210,6 +210,12 @@ static char *runes_vt100_handle_escape_sequence(
                 case 0:
                     runes_display_reset_text_attributes(t);
                     break;
+                case 1:
+                    runes_display_set_bold(t);
+                    break;
+                case 22:
+                    runes_display_reset_bold(t);
+                    break;
                 case 30: case 31: case 32: case 33:
                 case 34: case 35: case 36: case 37:
                     runes_display_set_fg_color(t, t->colors[p[i] - 30]);