support for dashed lines in graphs

[rrdtool.git] / src / rrd_graph.h

diff --git a/src/rrd_graph.h b/src/rrd_graph.h
index de968a7..51f3d3f 100644 (file)
--- a/src/rrd_graph.h
+++ b/src/rrd_graph.h
@@ -54,6 +54,7 @@ enum vdef_op_en {
     VDEF_MAXIMUM = 0    /* like the MAX in (G)PRINT */
         , VDEF_MINIMUM  /* like the MIN in (G)PRINT */
         , VDEF_AVERAGE  /* like the AVERAGE in (G)PRINT */
+        , VDEF_STDEV    /* the standard deviation */
         , VDEF_PERCENT  /* Nth percentile */
         , VDEF_TOTAL    /* average multiplied by time */
         , VDEF_FIRST    /* first non-unknown value and time */
@@ -170,6 +171,13 @@ typedef struct graph_desc_t {
     rrd_value_t *data;  /* the raw data drawn from the rrd */
     rrd_value_t *p_data;    /* processed data, xsize elments */
     double    linewidth;    /* linewideth */
+
+    /* dashed line stuff */
+    int       dash;     /* boolean, draw dashed line? */
+    double   *p_dashes; /* pointer do dash array which keeps the lengths of dashes */
+    int       ndash;    /* number of dash segments */
+    double    offset;   /* dash offset along the line */
+
     enum txa_en txtalign;   /* change default alignment strategy for text */
 } graph_desc_t;
 
@@ -215,6 +223,7 @@ typedef struct image_desc_t {
 
     long      xorigin, yorigin; /* where is (0,0) of the graph */
     long      ximg, yimg;   /* total size of the image */
+    size_t    rendered_image_size;
     double    zoom;
     double    magfact;  /* numerical magnitude */
     long      base;     /* 1000 or 1024 depending on what we graph */
@@ -227,6 +236,7 @@ typedef struct image_desc_t {
     int       extra_flags;  /* flags for boolean options */
     /* data elements */
 
+    unsigned char *rendered_image;
     long      prt_c;    /* number of print elements */
     long      gdes_c;   /* number of graphics elements */
     graph_desc_t *gdes; /* points to an array of graph elements */