6 files changed, 119 insertions, 0 deletions
diff --git a/src/io/io.c b/src/io/io.c
new file mode 100644
index 0000000..e9f4fb8
--- /dev/null
+++ b/src/io/io.c
@@ -0,0 +1,13 @@
+#include "io.h"
+#include "stdio.h"
+
+void pattern_nums_to_str(char *str, struct pattern *pattern)
+{
+    str[0] = 0;
+    if (pattern->length >= 1)
+        str += sprintf(str, "%d", pattern_point_to_index(pattern, 0));
+    for (int i = 1; i < pattern->length; i++)
+    {
+        str += sprintf(str, ",%d", pattern_point_to_index(pattern, i));
+    }
+}
+\ No newline at end of file
diff --git a/src/io/io.h b/src/io/io.h
new file mode 100644
index 0000000..97af398
--- /dev/null
+++ b/src/io/io.h
@@ -0,0 +1,24 @@
+#ifndef PLOC_GEN_IO_H
+#define PLOC_GEN_IO_H
+
+#include "pattern/pattern.h"
+
+/*
+ * Print parameters.
+ */
+struct print_params
+{
+    unsigned int count;
+    /*
+     * aggregated is true, if the print function gets called on the
+     * same file over and over again.
+     */
+    bool aggregated;
+    bool print_count;
+    bool print_code;
+    bool print_author;
+};
+
+void pattern_nums_to_str(char *str, struct pattern *pattern);
+
+#endif
+\ No newline at end of file
diff --git a/src/io/svg.c b/src/io/svg.c
new file mode 100644
index 0000000..a8e2129
--- /dev/null
+++ b/src/io/svg.c
@@ -0,0 +1,52 @@
+#include "svg.h"
+
+void print_pattern_svg(FILE *out, struct print_params params, struct pattern *pattern)
+{
+    // Init variables.
+    double horizontal = 100 / (pattern->type.height + 1);
+    double vertical = 100 / (pattern->type.width + 1);
+    int hd = horizontal; // Horizontal distance
+    int vd = vertical;   // Vertical distance
+    // Print
+    fprintf(out, "<svg width=\"500\" height=\"500\" style=\"background-color:black\">");
+    fprintf(out, "<rect width=\"100%%\" height=\"100%%\" fill=\"black\" />");
+
+    if (params.print_code)
+    {
+        char code[128];
+        pattern_nums_to_str(code, pattern);
+        fprintf(out, "<text x=\"0\" y=\"1em\" font-size=\"2em\" fill=\"white\">Code:%s</text>", code);
+    }
+    if (params.print_count)
+        fprintf(out, "<text x=\"0\" y=\"2em\" font-size=\"2em\" fill=\"white\">Count:%d</text>", params.count);
+    if (params.print_author)
+        fprintf(out, "<text x=\"500\" y=\"500\" font-size=\"1em\" fill=\"white\" text-anchor=\"end\">adriansopar.hu</text>");
+
+    // TODO: Print text!
+    // Print points.
+    for (int y = 0; y < pattern->type.height; y++)
+    {
+        for (int x = 0; x < pattern->type.width; x++)
+        {
+            fprintf(out,
+                    "<circle cx=\"%f%%\" cy=\"%f%%\" r=\"%d%%\" fill=\"white\" />",
+                    (double)(x + 1) * hd, (double)(y + 1) * vd, 3);
+        }
+    }
+    // Print pattern.
+    struct coord prev;
+    for (int i = 0; i < pattern->length; i++)
+    {
+        struct coord current = pattern->path[i];
+        fprintf(out,
+                "<circle cx=\"%f%%\" cy=\"%f%%\" r=\"6%%\" stroke=\"#00ff00\" stroke-width=\"2\" fill=\"none\" />",
+                (double)(current.x + 1) * hd, (double)(current.y + 1) * vd);
+        if (i > 0)
+            fprintf(out,
+                    "<line x1=\"%f%%\" y1=\"%f%%\" x2=\"%f%%\" y2=\"%f%%\" stroke=\"white\" stroke-width=\"6%%\" stroke-opacity=\"0.5\" />",
+                    (double)(prev.x + 1) * hd, (double)(prev.y + 1) * vd,
+                    (double)(current.x + 1) * hd, (double)(current.y + 1) * vd);
+        prev = current;
+    }
+    fprintf(out, "</svg>");
+}
+\ No newline at end of file
diff --git a/src/io/svg.h b/src/io/svg.h
new file mode 100644
index 0000000..75559a2
--- /dev/null
+++ b/src/io/svg.h
@@ -0,0 +1,10 @@
+#ifndef PLOC_GEN_IO_SVG_H
+#define PLOC_GEN_IO_SVG_H
+
+#include <stdio.h>
+#include "pattern/pattern.h"
+#include "io.h"
+
+void print_pattern_svg(FILE *out, struct print_params params, struct pattern *pattern);
+
+#endif
+\ No newline at end of file
diff --git a/src/io/text.c b/src/io/text.c
new file mode 100644
index 0000000..a035cc5
--- /dev/null
+++ b/src/io/text.c
@@ -0,0 +1,10 @@
+#include "text.h"
+
+void print_pattern_text(FILE *out, struct print_params params, struct pattern *pattern)
+{
+    for (int i = 0; i < pattern->length; i++)
+    {
+        fprintf(out, "%d,", pattern_point_to_index(pattern, i));
+    }
+    fprintf(out, "\n");
+}
+\ No newline at end of file
diff --git a/src/io/text.h b/src/io/text.h
new file mode 100644
index 0000000..435294d
--- /dev/null
+++ b/src/io/text.h
@@ -0,0 +1,10 @@
+#ifndef PLOC_GEN_IO_TEXT_H
+#define PLOC_GEN_IO_TEXT_H
+
+#include <stdio.h>
+#include "pattern/pattern.h"
+#include "io.h"
+
+void print_pattern_text(FILE *out, struct print_params params, struct pattern *pattern);
+
+#endif
+\ No newline at end of file