1 files changed, 55 insertions, 0 deletions
diff --git a/parse_10deg.c b/parse_10deg.c
new file mode 100644
index 0000000..4cdfd61
--- /dev/null
+++ b/parse_10deg.c
@@ -0,0 +1,55 @@
+/* See LICENSE file for copyright and license details. */
+#include "libred.h"
+#include "macros.h"
+#include <stdio.h>
+#include <math.h>
+#include <sys/stat.h>
+
+
+
+/**
+ * The number of measured temperatures.
+ */
+#define TEMPERATURES  ((LIBRED_HIGHEST_TEMPERATURE - LIBRED_LOWEST_TEMPERATURE) / LIBRED_DELTA_TEMPERATURE + 1)
+
+
+
+#define LIBRED_COMPILING_PARSER
+#include "blackbody.c"
+
+
+
+/**
+ * Create the lookup table of temperatures.
+ * 
+ * Standard input should be the file '10deg',
+ * standard output should be the table file
+ * and must be a regular file.
+ * 
+ * @param   argc  Should be 1.
+ * @param   argv  Should only contain the name of the process.
+ * @return        0 on success, 1 on error.
+ */
+int
+main(int argc, char *argv[])
+{
+#define x  (xyrgb[0])
+#define y  (xyrgb[1])
+#define r  (xyrgb[2])
+#define g  (xyrgb[3])
+#define b  (xyrgb[4])
+  
+	double xyrgb[5];
+	struct stat attr;
+	long int temp = LIBRED_LOWEST_TEMPERATURE;
+  
+	for (; fscanf(stdin, "%lf %lf\n", &x, &y) == 2; temp += LIBRED_DELTA_TEMPERATURE) {
+		(temp == 6500) ? (r = g = b = 1.0) : ciexyy_to_srgb(x, y, 1.0, &r, &g, &b);
+		xwrite(STDOUT_FILENO, xyrgb, sizeof(xyrgb));
+	}
+	xwrite(STDOUT_FILENO, xyrgb, sizeof(xyrgb)); /* sugar */
+	t (fstat(STDOUT_FILENO, &attr));
+	return ((size_t)(attr.st_size) != (TEMPERATURES + 1) * 5 * sizeof(double));
+fail:
+	return perror(argc ? *argv : "parse_10deg"), 1;
+}