enum gf_en {GF_PRINT=0,GF_GPRINT,GF_COMMENT,GF_HRULE,GF_VRULE,GF_LINE,
GF_AREA,GF_STACK,GF_TICK,
GF_DEF, GF_CDEF, GF_VDEF,
- GF_PART};
+ GF_PART, GF_XPORT};
enum vdef_op_en {
VDEF_MAXIMUM /* like the MAX in (G)PRINT */
char *stst; /* strftime string*/
} xlab_t;
+typedef struct ygrid_scale_t { /* y axis grid scaling info */
+ double gridstep;
+ int labfact;
+ char labfmt[64];
+} ygrid_scale_t;
+
/* sensible y label intervals ...*/
typedef struct ylab_t {
char title[200]; /* title for graph */
int draw_x_grid; /* no x-grid at all */
int draw_y_grid; /* no x-grid at all */
+ double grid_dash_on, grid_dash_off;
xlab_t xlab_user; /* user defined labeling for xaxis */
char xlab_form[200]; /* format for the label on the xaxis */
rrd_value_t minval,maxval; /* extreme values in the data */
int rigid; /* do not expand range even with
values outside */
+ ygrid_scale_t ygrid_scale; /* calculated y axis grid info */
+ int gridfit; /* adjust y-axis range etc so all
+ grindlines falls in integer pixel values */
char* imginfo; /* construct an <IMG ... tag and return
as first retval */
int lazy; /* only update the image if there is
/* Prototypes */
int xtr(image_desc_t *,time_t);
-int ytr(image_desc_t *, double);
+double ytr(image_desc_t *, double);
enum gf_en gf_conv(char *);
enum gfx_if_en if_conv(char *);
enum tmt_en tmt_conv(char *);
void auto_scale( image_desc_t *, double *, char **, double *);
void si_unit( image_desc_t *);
void expand_range(image_desc_t *);
+void apply_gridfit(image_desc_t *);
void reduce_data( enum cf_en, unsigned long, time_t *, time_t *, unsigned long *, unsigned long *, rrd_value_t **);
int data_fetch( image_desc_t *);
long find_var(image_desc_t *, char *);
time_t find_next_time( time_t, enum tmt_en, long);
int print_calc(image_desc_t *, char ***);
int leg_place(image_desc_t *);
-int horizontal_grid(image_desc_t *);
+int calc_horizontal_grid(image_desc_t *);
+int draw_horizontal_grid(image_desc_t *);
int horizontal_log_grid(image_desc_t *);
void vertical_grid(image_desc_t *);
void axis_paint(image_desc_t *);