more tint2conf cleanup

git-svn-id: http://tint2.googlecode.com/svn/trunk@234 121b4492-b84c-0410-8b4c-0d4edfb3f3cc

src/util/common.c

@@ -30,6 +30,101 @@
 
 
 
+void copy_file(const char *pathSrc, const char *pathDest)
+{
+	FILE *fileSrc, *fileDest;
+	char line[100];
+	int  nb;
+
+	fileSrc = fopen(pathSrc, "rb");
+	if (fileSrc == NULL) return;
+
+	fileDest = fopen(pathDest, "wb");
+	if (fileDest == NULL) return;
+
+	while ((nb = fread(line, 1, 100, fileSrc)) > 0) fwrite(line, 1, nb, fileDest);
+
+	fclose (fileDest);
+	fclose (fileSrc);
+}
+
+
+int parse_line (const char *line, char **key, char **value)
+{
+	char *a, *b;
+
+	/* Skip useless lines */
+	if ((line[0] == '#') || (line[0] == '\n')) return 0;
+	if (!(a = strchr (line, '='))) return 0;
+
+	/* overwrite '=' with '\0' */
+	a[0] = '\0';
+	*key = strdup (line);
+	a++;
+
+	/* overwrite '\n' with '\0' if '\n' present */
+	if ((b = strchr (a, '\n'))) b[0] = '\0';
+
+	*value = strdup (a);
+
+	g_strstrip(*key);
+	g_strstrip(*value);
+	return 1;
+}
+
+
+int hex_char_to_int (char c)
+{
+	int r;
+
+	if (c >= '0' && c <= '9')  r = c - '0';
+	else if (c >= 'a' && c <= 'f')  r = c - 'a' + 10;
+	else if (c >= 'A' && c <= 'F')  r = c - 'A' + 10;
+	else  r = 0;
+
+	return r;
+}
+
+
+int hex_to_rgb (char *hex, int *r, int *g, int *b)
+{
+	int len;
+
+	if (hex == NULL || hex[0] != '#') return (0);
+
+	len = strlen (hex);
+	if (len == 3 + 1) {
+		*r = hex_char_to_int (hex[1]);
+		*g = hex_char_to_int (hex[2]);
+		*b = hex_char_to_int (hex[3]);
+	}
+	else if (len == 6 + 1) {
+		*r = hex_char_to_int (hex[1]) * 16 + hex_char_to_int (hex[2]);
+		*g = hex_char_to_int (hex[3]) * 16 + hex_char_to_int (hex[4]);
+		*b = hex_char_to_int (hex[5]) * 16 + hex_char_to_int (hex[6]);
+	}
+	else if (len == 12 + 1) {
+		*r = hex_char_to_int (hex[1]) * 16 + hex_char_to_int (hex[2]);
+		*g = hex_char_to_int (hex[5]) * 16 + hex_char_to_int (hex[6]);
+		*b = hex_char_to_int (hex[9]) * 16 + hex_char_to_int (hex[10]);
+	}
+	else return 0;
+
+	return 1;
+}
+
+
+void get_color (char *hex, double *rgb)
+{
+	int r, g, b;
+	hex_to_rgb (hex, &r, &g, &b);
+
+	rgb[0] = (r / 255.0);
+	rgb[1] = (g / 255.0);
+	rgb[2] = (b / 255.0);
+}
+
+
 void adjust_asb(DATA32 *data, int w, int h, int alpha, float satur, float bright)
 {
 	unsigned int x, y;

src/util/common.h

@@ -50,10 +50,20 @@ typedef struct config_color
 } config_color;
 
 
+// copy file source to file dest
+void copy_file(const char *pathSrc, const char *pathDest);
+
+// extract key = value
+int parse_line (const char *line, char **key, char **value);
+
+// conversion
+int hex_char_to_int (char c);
+int hex_to_rgb (char *hex, int *r, int *g, int *b);
+void get_color (char *hex, double *rgb);
+
 // adjust Alpha/Saturation/Brightness on an ARGB icon
 // alpha from 0 to 100, satur from 0 to 1, bright from 0 to 1.
 void adjust_asb(DATA32 *data, int w, int h, int alpha, float satur, float bright);
 
-
 #endif