From: Matthew Fernandez <matthew.fernandez@gmail.com>
Date: Sat, 18 Dec 2021 04:31:54 +0000 (-0800)
Subject: remove unused 'colorCvt'
X-Git-Tag: 3.0.0~123^2~14
X-Git-Url: https://granicus.if.org/sourcecode?a=commitdiff_plain;h=b0d462123a103889b8f0ad1e4b8b1117c490d808;p=graphviz

remove unused 'colorCvt'
---

diff --git a/lib/common/colorprocs.h b/lib/common/colorprocs.h
index 7a375ac32..598950669 100644
--- a/lib/common/colorprocs.h
+++ b/lib/common/colorprocs.h
@@ -19,7 +19,6 @@ extern "C" {
 extern void setColorScheme (char* s);
 extern int colorxlate(char *str, gvcolor_t * color, color_type_t target_type);
 extern char *canontoken(char *str);
-extern int colorCvt(gvcolor_t *ocolor, gvcolor_t *ncolor);
 
 #ifdef __cplusplus
 }
diff --git a/lib/common/colxlate.c b/lib/common/colxlate.c
index fe419ef3a..85aa74f91 100644
--- a/lib/common/colxlate.c
+++ b/lib/common/colxlate.c
@@ -465,79 +465,6 @@ int colorxlate(char *str, gvcolor_t * color, color_type_t target_type)
     return rc;
 }
 
-static void rgba_wordToByte (int* rrggbbaa, unsigned char* rgba)
-{
-    int i;
-
-    for (i = 0; i < 4; i++) {
-	rgba[i] = rrggbbaa[i] * 255 / 65535;
-    }
-}
-
-static void rgba_dblToByte (double* RGBA, unsigned char* rgba)
-{
-    int i;
-
-    for (i = 0; i < 4; i++) {
-	rgba[i] = (unsigned char)(RGBA[i] * 255);
-    }
-}
-
-/* colorCvt:
- * Color format converter. 
- * Except for the trivial case, it converts the input color to a string
- * representation and then calls colorxlate.
- * ncolor must point to a gvcolor_t struct with type specifying the desired
- * output type.
- */
-int colorCvt(gvcolor_t *ocolor, gvcolor_t *ncolor)
-{
-    int rc;
-    char buf[BUFSIZ];
-    char* s;
-    unsigned char rgba[4];
-
-    if (ocolor->type == ncolor->type) {
-	memcpy (&ncolor->u, &ocolor->u, sizeof(ocolor->u));    
-	return COLOR_OK; 
-    }
-    s = buf;
-    switch (ocolor->type) {
-    case HSVA_DOUBLE :
-	snprintf(buf, sizeof(buf), "%.03f %.03f %.03f %.03f",
-	    ocolor->u.HSVA[0], ocolor->u.HSVA[1], ocolor->u.HSVA[2], ocolor->u.HSVA[3]);
-	break;
-    case RGBA_BYTE :
-	snprintf(buf, sizeof(buf), "#%02x%02x%02x%02x",
-	    ocolor->u.rgba[0], ocolor->u.rgba[1], ocolor->u.rgba[2], ocolor->u.rgba[3]);
-	break;
-    case RGBA_WORD:
-	rgba_wordToByte (ocolor->u.rrggbbaa, rgba);
-	snprintf(buf, sizeof(buf), "#%02x%02x%02x%02x", rgba[0], rgba[1], rgba[2],
-	         rgba[3]);
-	break;
-    case RGBA_DOUBLE:
-	rgba_dblToByte (ocolor->u.RGBA, rgba);
-	snprintf(buf, sizeof(buf), "#%02x%02x%02x%02x", rgba[0], rgba[1], rgba[2],
-	         rgba[3]);
-	break;
-    case COLOR_STRING:
-	s = ocolor->u.string;
-	break;
-    case CMYK_BYTE :
-	return COLOR_UNKNOWN;
-	break;
-    case COLOR_INDEX:
-	return COLOR_UNKNOWN;
-	break;
-    default:
-	return COLOR_UNKNOWN;
-	break;
-    }
-    rc = colorxlate (s, ncolor, ncolor->type);
-    return rc;
-}
-
 /* setColorScheme:
  * Set current color scheme for resolving names.
  */