From: Michael Tremer <michael.tremer@ipfire.org>
Date: Fri, 3 Oct 2025 10:21:51 +0000 (+0000)
Subject: graph: Add macros to draw some elements
X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=344abcd2953f9b7c311108e8bb3468f0516a8fd6;p=collecty.git

graph: Add macros to draw some elements

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>
---

diff --git a/src/daemon/graph.h b/src/daemon/graph.h
index 90e2be2..16d6c16 100644
--- a/src/daemon/graph.h
+++ b/src/daemon/graph.h
@@ -65,4 +65,26 @@ typedef struct collecty_graph_render_options {
 int collecty_graph_render(collecty_graph* self, const char* object,
 	const collecty_graph_render_options* options, char** buffer, size_t* length);
 
+/*
+	Helpers to write things faster...
+*/
+
+#define HEADER			"COMMENT:" COLUMN
+#define EMPTY_COLUMN	"COMMENT:                                "
+#define EMPTY_LINE		"COMMENT: \\n"
+
+#define LABEL			"%-30s"
+
+// A column is exactly 16 characters wide
+#define COLUMN			"%16s"
+#define FLOAT			"%%14.2lf"
+#define EOL				"\\j"
+
+// Draw a LINE, AREA, etc.
+#define DRAW(what, field, color) what ":" field color
+#define DRAW_WITH_LABEL(what, field, color) DRAW(what, field, color) ":" LABEL
+
+// Add something to the legend of the graph
+#define PRINT_FLOAT(field) "GPRINT:" field ":" FLOAT
+
 #endif /* COLLECTY_GRAPH_H */