fix for negative coordinates.

diff --git a/src/parser.lex b/src/parser.lex
index beca943..4ccf2c0 100644 (file)
--- a/src/parser.lex
+++ b/src/parser.lex
@@ -163,8 +163,8 @@ void handleInclude(char*text, int len)
 %x BINARY
 
 NAME    [a-zA-Z_./](-*[a-zA-Z0-9_./])*
-TWIP    ([0-9]+(\.([0-9]([05])?)?)?)
-NUMBER  [0-9]+(\.[0-9]*)?
+TWIP    (-?[0-9]+(\.([0-9]([05])?)?)?)
+NUMBER  -?[0-9]+(\.[0-9]*)?
 PERCENT         {NUMBER}%
 STRING   (\\.|[^\\"\n])*
 S       [ \n\r\t]

diff --git a/src/swfc.c b/src/swfc.c
index db12bd7..aa8fe6b 100644 (file)
--- a/src/swfc.c
+++ b/src/swfc.c
@@ -1051,11 +1051,18 @@ int parseInt(char*str)
 }
 int parseTwip(char*str)
 {
-    char*dot = strchr(str, '.');
+    char*dot;
+    int sign=1;
+    if(str[0]=='+' || str[0]=='-') {
+       if(str[0]=='-')
+           sign = -1;
+       str++;
+    }
+    dot = strchr(str, '.');
     if(!dot) {
        int l=strlen(str);
        int t;
-       return parseInt(str)*20;
+       return sign*parseInt(str)*20;
     } else {
        int l=strlen(++dot);
        char*s;
@@ -1072,11 +1079,11 @@ int parseTwip(char*str)
            l=2;
        }
        if(l==0)
-           return atoi(str)*20;
+           return sign*atoi(str)*20;
        if(l==1)
-           return atoi(str)*20+atoi(dot)*2;
+           return sign*atoi(str)*20+atoi(dot)*2;
        if(l==2)
-           return atoi(str)*20+atoi(dot)/5;
+           return sign*atoi(str)*20+atoi(dot)/5;
     }
     return 0;
 }