/****************************************************************************
- * RRDtool 1.2.1 Copyright by Tobi Oetiker, 1997-2005
+ * RRDtool 1.2.7 Copyright by Tobi Oetiker, 1997-2005
****************************************************************************
* rrd_afm.h Parsing afm tables to find width of strings.
****************************************************************************/
-#if defined(WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
+#if defined(_WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
#include "../confignt/config.h"
#else
#include "config.h"
#include <string.h>
#endif
+#include "unused.h"
+
#if 0
# define DEBUG 1
# define DLOG(x) fprintf x
*/
#define ENABLE_LIGATURES 0
-static const afm_fontinfo *afm_last_used_font;
+static const afm_fontinfo *afm_last_used_font = NULL;
+static const char *last_unknown_font = NULL;
#define is_font(p, name) \
(!strcmp(p->postscript_name, name) || !strcmp(p->fullname, name))
return NULL;
}
+
+/* returns always a font, never NULL.
+ The rest of the code depends on the result never being NULL.
+ See rrd_afm.h */
static const afm_fontinfo *afm_findfont(const char *name)
{
const afm_fontinfo *p = afm_searchfont(name);
if (p)
return p;
- if (1 || DEBUG) fprintf(stderr, "Can't find font '%s'\n", name);
- p = afm_searchfont("Helvetica");
+ if (!last_unknown_font || strcmp(name, last_unknown_font)) {
+ fprintf(stderr, "Can't find font '%s'\n", name);
+ last_unknown_font = name;
+ }
+ p = afm_searchfont(RRD_AFM_DEFAULT_FONT);
if (p)
return p;
- return NULL;
+ return afm_fontinfolist; /* anything, just anything. */
}
const char *afm_get_font_postscript_name(const char* font)
{
const afm_fontinfo *p = afm_findfont(font);
- return p ? p->postscript_name : "Helvetica";
+ return p->postscript_name;
+}
+
+const char *afm_get_font_name(const char* font)
+{
+ const afm_fontinfo *p = afm_findfont(font);
+ return p->fullname;
+}
+
+double afm_get_ascender(const char* font, double size)
+{
+ const afm_fontinfo *p = afm_findfont(font);
+ return size * p->ascender / 1000.0;
+}
+
+double afm_get_descender(const char* font, double size)
+{
+ const afm_fontinfo *p = afm_findfont(font);
+ return size * p->descender / 1000.0;
}
static int afm_find_char_index(const afm_fontinfo *fontinfo,
}
/* measure width of a text string */
-double afm_get_text_width ( double start, const char* font, double size,
- double tabwidth, const char* text)
+double afm_get_text_width ( double UNUSED(start), const char* font, double size,
+ double UNUSED(tabwidth), const char* text)
{
const afm_fontinfo *fontinfo = afm_findfont(font);
long width = 0;