1 files changed, 62 insertions, 0 deletions
diff --git a/dvi/mdvi-lib/dvimisc.c b/dvi/mdvi-lib/dvimisc.c
new file mode 100644
index 0000000..5dbacfb
--- /dev/null
+++ b/dvi/mdvi-lib/dvimisc.c
@@ -0,0 +1,62 @@
+/*
+ * Copyright (C) 2000, Matias Atria
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+
+#include "mdvi.h"
+
+void	mdvi_set_color(DviContext *dvi, Ulong fg, Ulong bg)
+{
+	if(dvi->curr_fg != fg || dvi->curr_bg != bg) {
+		DEBUG((DBG_DEVICE, "setting color to (%lu,%lu)\n", fg, bg));
+		if(dvi->device.set_color)
+			dvi->device.set_color(dvi->device.device_data, fg, bg);
+		dvi->curr_fg = fg;
+		dvi->curr_bg = bg;
+	}
+}
+
+void	mdvi_push_color(DviContext *dvi, Ulong fg, Ulong bg)
+{
+	if(dvi->color_top == dvi->color_size) {
+		dvi->color_size += 32;
+		dvi->color_stack = xrealloc(dvi->color_stack,
+			dvi->color_size * sizeof(DviColorPair));
+	}
+	dvi->color_stack[dvi->color_top].fg = dvi->curr_fg;
+	dvi->color_stack[dvi->color_top].bg = dvi->curr_bg;
+	dvi->color_top++;
+	mdvi_set_color(dvi, fg, bg);
+}
+
+void	mdvi_pop_color(DviContext *dvi)
+{
+	Ulong	fg, bg;
+	
+	if(dvi->color_top == 0)
+		return;
+	dvi->color_top--;
+	fg = dvi->color_stack[dvi->color_top].fg;
+	bg = dvi->color_stack[dvi->color_top].bg;
+	mdvi_set_color(dvi, fg, bg);
+}
+
+void	mdvi_reset_color(DviContext *dvi)
+{
+	dvi->color_top = 0;
+	mdvi_set_color(dvi, dvi->params.fg, dvi->params.bg);
+}
+