cli: add optional utf-8 graph

Francesco149 · Jan 22, 2018 · 895678b · 895678b
1 parent 867d6bc
commit 895678b
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Showing 2 changed files with 20 additions and 5 deletions.
diff --git a/main.c b/main.c
@@ -187,14 +187,30 @@ internalfn
 void asciiplt(float (* getvalue)(void* data, size_t i), size_t n,
     void* data)
 {
-    static char const* charset = " _.-^";
+    static char const* charset[] = {
+#ifdef OPPAI_UTF8GRAPH
+        "\xe2\x96\x81",
+        "\xe2\x96\x82",
+        "\xe2\x96\x83",
+        "\xe2\x96\x84",
+        "\xe2\x96\x85",
+        "\xe2\x96\x86",
+        "\xe2\x96\x87",
+        "\xe2\x96\x88"
+#else
+        " ", "_", ".", "-", "^"
+#endif
+    };
+
+    static size_t const charsetsize =
+        sizeof(charset) / sizeof(charset[0]);
+
     float values[ASCIIPLT_W];
     float minval = get_inf();
     float maxval = -get_inf();
     float range;
     size_t i;
     size_t chunksize;
-    size_t charsetsize;
     size_t w = mymin(ASCIIPLT_W, n);
 
     memset(values, 0, sizeof(values));
@@ -217,15 +233,14 @@ void asciiplt(float (* getvalue)(void* data, size_t i), size_t n,
     }
 
     range = mymax(0.00001, maxval - minval);
-    charsetsize = strlen(charset);
 
     for (i = 0; i < w; ++i)
     {
         size_t chari = (size_t)(
             ((values[i] - minval) / range) * charsetsize
         );
         chari = mymax(0, mymin(chari, charsetsize - 1));
-        printf("%c", charset[chari]);
+        printf("%s", charset[chari]);
     }
 
     puts("");

diff --git a/oppai.c b/oppai.c
@@ -51,7 +51,7 @@
 
 #define OPPAI_VERSION_MAJOR 1
 #define OPPAI_VERSION_MINOR 1
-#define OPPAI_VERSION_PATCH 43
+#define OPPAI_VERSION_PATCH 44
 
 /* if your compiler doesn't have stdint, define this */
 #ifdef OPPAI_NOSTDINT