From 78547fddb216ae0837669801a2a839e7c0db8e12 Mon Sep 17 00:00:00 2001
From: deuce <>
Date: Wed, 7 Jul 2004 08:00:32 +0000
Subject: [PATCH] Optimize ansi_textattr()
---
src/conio/ansi_cio.c | 41 ++++++++++++++++++++++++++++++++++++++---
1 file changed, 38 insertions(+), 3 deletions(-)
diff --git a/src/conio/ansi_cio.c b/src/conio/ansi_cio.c
index 9e3322479a..49d5a46027 100644
--- a/src/conio/ansi_cio.c
+++ b/src/conio/ansi_cio.c
@@ -243,10 +243,14 @@ void ansi_textattr(unsigned char attr)
int br,obr;
int oa;
- bl=attr>>7;
+ str[0]=0;
+ if(ansi_curr_attr==attr<<8)
+ return;
+
+ bl=attr&0x80;
bg=(attr>>4)&0x7;
fg=attr&0x07;
- br=(attr>>3)&0x01;
+ br=attr&0x04;
oa=ansi_curr_attr>>8;
obl=oa>>7;
@@ -255,7 +259,38 @@ void ansi_textattr(unsigned char attr)
obr=(oa>>3)&0x01;
ansi_curr_attr=attr<<8;
- ansi_sendstr(str,sprintf(str,"%c[%d;%d;3%d;4%dm",27,bl?0:5,br?1:2,ansi_colours[fg],ansi_colours[bg]));
+
+ strcpy(str,"\033[");
+ if(obl!=bl) {
+ if(!bl) {
+ strcat(str,"0;");
+ ofg=7;
+ obg=0;
+ obr=0;
+ }
+ else
+ strcat(str,"5;");
+ }
+ if(br!=obr) {
+ if(br)
+ strcat(str,"1;");
+ else
+#if 0
+ strcat(str,"2;");
+#else
+ {
+ strcat(str,"0;");
+ ofg=7;
+ obg=0;
+ }
+#endif
+ }
+ if(fg!=ofg)
+ sprintf(str+strlen(str),"3%d;",ansi_colours[fg]);
+ if(bg!=obg)
+ sprintf(str+strlen(str),"4%d;",ansi_colours[bg]);
+ str[strlen(str)-1]='m';
+ ansi_sendstr(str,-1);
}
static void ansi_keyparse(void *par)
--
GitLab