3 patches, #3 depends on #1 as EPS uses AFM for stringwidth too.

[rrdtool.git] / libraries / afm / test-afm.c

diff --git a/libraries/afm/test-afm.c b/libraries/afm/test-afm.c
new file mode 100644 (file)
index 0000000..8347ad6
--- /dev/null
+++ b/libraries/afm/test-afm.c
@@ -0,0 +1,108 @@
+#include "rrd_afm.h"
+#include <stdio.h>
+
+FILE *fp;
+
+static void make_tests(void);
+static void print(const char *s);
+double y = 0;
+//static const char *font = "Times-Roman";
+static const char *font = "Times Bold Italic";
+//static const char *font = "Courier";
+//static const char *font = "Courier Bold Oblique";
+
+void make_tests()
+{
+#ifdef __APPLE__
+#define charset_legend "Macintosh charset"
+#define AE "\xAE"
+#define ae "\xBE"
+#define oe "\xBF"
+#define aa "\x8C"
+#define NBSP "\x00CA"
+#else
+#define charset_legend "IsoLatin1 charset"
+#define AE "\xC6"
+#define ae "\xE6"
+#define oe "\xF8"
+#define aa "\xA5"
+#define NBSP "\x00A0"
+#endif
+  print(AE); /* very wide char */
+  print(AE AE AE AE AE AE AE AE AE AE AE AE AE AE AE);
+  print(charset_legend);
+  print("S,");
+  print("sfil");
+  print("Hello, world");
+  print("AVAVAVAVAVAVAVAVAVAVAVAVAVAVAVAVAVAV");
+  print("AAAAAAAAAAAAAAAAAAVVVVVVVVVVVVVVVVVV");
+  print("fiffififfififfififfififfififfififfi");
+  print("fi");
+  print("fil");
+  print("fifififififififififififififififififififififififififi");
+  print(AE "bleskiver med gl"oe"gg. " NBSP NBSP NBSP NBSP NBSP NBSP NBSP
+      AE" Fywerhus: 'A "ae" u "aa" "ae" "oe" i "ae" fywer'.");
+  print("Ingef"ae"rp"ae"rer med karamelsauce. R"oe"dgr"oe"d med fl"oe"de.");
+  print("(Optional.) Ligature sequence where successor and ligature are both names.  The current character may join ...");
+}
+
+static void vline(double x, double y1, double y2)
+{
+  fprintf(fp, "<line x1=\"%.2f\" y1=\"%.2f\" x2=\"%.2f\" y2=\"%.2f\""
+      " stroke-width=\"1\" stroke=\"#000\"/>\n",
+      x, y1, x, y2);
+}
+
+static void print(const char *s)
+{
+  double size = 12;
+  double x = 10;
+  double width = afm_get_text_width(0, font, size, 4, s);
+  unsigned char *up = (unsigned char*)s;
+  fprintf(stderr, "Width = %f for '%s'\n", width, s);
+  y += 10;
+  vline(x, y, y + 5);
+  fprintf(fp, "<text x=\"%.2f\" y=\"%.2f\" font-size=\"%.2f\">", x, y, size);
+  while (*up) {
+    unsigned char ch = afm_host2unicode(*up);
+    if (ch < 127)
+      putc(ch, fp);
+    else
+      fprintf(fp, "&#%d;", ch);
+    up++;
+  }
+  fputs("</text>\n", fp);
+  vline(x + width, y, y + 5);
+  y += 1.1 * size;
+}
+
+static void header()
+{
+   fprintf(fp,
+ "<?xml version=\"1.0\" standalone=\"no\"?>\n"
+ "<!DOCTYPE svg PUBLIC \"-//W3C//DTD SVG 1.0//EN\"\n"
+ "   \"http://www.w3.org/TR/2001/REC-SVG-20010904/DTD/svg10.dtd\">\n"
+ "<svg width=\"650\" height=\"400\" preserveAspectRatio=\"xMidYMid\"\n"
+ "    font-family=\"%s\">\n", font);
+ }
+
+
+static void footer()
+{
+   fputs("</svg>\n", fp);
+}
+
+int main()
+{
+  fp = fopen("test.svg", "w");
+  if (fp == NULL) {
+    fprintf(stderr, "Can't create output.\n");
+    exit(1);
+  }
+  header();
+  make_tests();
+  footer();
+  fclose(fp);
+  return 0;
+}
+