+#ifndef _RRD_GRAPH_H
+#define _RRD_GRAPH_H
+
#include "rrd_tool.h"
#include "rrd_rpncalc.h"
#include "rrd_gfx.h"
#define MAX_VNAME_LEN 29
-#define DEF_NAM_FMT "%29[_A-Za-z0-9]"
+#define DEF_NAM_FMT "%29[-_A-Za-z0-9]"
-#define ALTYGRID 0x01 /* use alternative y grid algorithm */
-#define ALTAUTOSCALE 0x02 /* use alternative algorithm to find lower and upper bounds */
+#define ALTYGRID 0x01 /* use alternative y grid algorithm */
+#define ALTAUTOSCALE 0x02 /* use alternative algorithm to find lower and upper bounds */
#define ALTAUTOSCALE_MAX 0x04 /* use alternative algorithm to find upper bounds */
-#define NOLEGEND 0x08 /* use no legend */
+#define NOLEGEND 0x08 /* use no legend */
+#define NOMINOR 0x10 /* Turn off minor gridlines */
+#define ONLY_GRAPH 0x20 /* use only graph */
+#define FORCE_RULES_LEGEND 0x40 /* force printing of HRULE and VRULE legend */
enum tmt_en {TMT_SECOND=0,TMT_MINUTE,TMT_HOUR,TMT_DAY,
TMT_WEEK,TMT_MONTH,TMT_YEAR};
enum grc_en {GRC_CANVAS=0,GRC_BACK,GRC_SHADEA,GRC_SHADEB,
- GRC_GRID,GRC_MGRID,GRC_FONT,GRC_FRAME,GRC_ARROW,__GRC_END__};
+ GRC_GRID,GRC_MGRID,GRC_FONT,GRC_ARROW,GRC_AXIS,__GRC_END__};
#define MGRIDWIDTH 0.6
#define GRIDWIDTH 0.4
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};
-
-enum if_en {IF_PNG=0,IF_SVG};
+ GF_DEF, GF_CDEF, GF_VDEF, GF_SHIFT,
+#ifdef WITH_PIECHART
+ GF_PART,
+#endif
+ GF_XPORT};
enum vdef_op_en {
- VDEF_MAXIMUM /* like the MAX in (G)PRINT */
+ 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_PERCENT /* Nth percentile */
typedef struct text_prop_t {
double size;
- char * font;
+ char font[1024];
} text_prop_t;
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 {
typedef struct graph_desc_t {
enum gf_en gf; /* graphing function */
+ int stack; /* boolean */
+ int debug; /* boolean */
char vname[MAX_VNAME_LEN+1]; /* name of the variable */
long vidx; /* gdes reference */
- char rrd[255]; /* name of the rrd_file containing data */
+ char rrd[1024]; /* name of the rrd_file containing data */
char ds_nam[DS_NAM_SIZE]; /* data source name */
long ds; /* data source number */
enum cf_en cf; /* consolidation function */
+ enum cf_en cf_reduce; /* consolidation function for reduce_data() */
gfx_color_t col; /* graph color */
char format[FMT_LEG_LEN+5]; /* format for PRINT AND GPRINT */
char legend[FMT_LEG_LEN+5]; /* legend*/
vdef_t vf; /* instruction for VDEF function */
rpnp_t *rpnp; /* instructions for CDEF function */
+ /* SHIFT implementation */
+ int shidx; /* gdes reference for offset (-1 --> constant) */
+ time_t shval; /* offset if shidx is -1 */
+ time_t shift; /* current shift applied */
+
/* description of data fetched for the graph element */
time_t start,end; /* timestaps for first and last data element */
unsigned long step; /* time between samples */
/* configuration of graph */
char graphfile[MAXPATH]; /* filename for graphic */
- long xsize,ysize,piesize; /* graph area size in pixels */
- double zoom; /* zoom for graph */
+ FILE *graphhandle; /* FILE to use if filename is "-" */
+ long xsize,ysize; /* graph area size in pixels */
+#ifdef WITH_PIECHART
+ long piesize; /* size of the piechart */
+#endif
gfx_color_t graph_col[__GRC_END__]; /* real colors for the graph */
text_prop_t text_prop[TEXT_PROP_LAST]; /* text properties */
char ylegend[200]; /* legend along the yaxis */
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 gif if there is reasonable
- probablility that the existing one is out of date */
+ int lazy; /* only update the image if there is
+ reasonable probablility that the
+ existing one is out of date */
int logarithmic; /* scale the yaxis logarithmic */
- enum if_en imgformat; /* image format */
/* status information */
long xorigin,yorigin;/* where is (0,0) of the graph */
+#ifdef WITH_PIECHART
long pie_x,pie_y; /* where is the centerpoint */
- long xgif,ygif; /* total size of the gif */
- int interlaced; /* will the graph be interlaced? */
+#endif
+ long ximg,yimg; /* total size of the image */
double magfact; /* numerical magnitude*/
long base; /* 1000 or 1024 depending on what we graph */
char symbol; /* magnitude symbol for y-axis */
+ float viewfactor; /* how should the numbers on the y-axis be scaled for viewing ? */
int unitsexponent; /* 10*exponent for units on y-asis */
+ int unitslength; /* width of the yaxis labels */
int extra_flags; /* flags for boolean options */
/* data elements */
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 */
-
+ gfx_canvas_t *canvas; /* graphics library */
} image_desc_t;
/* 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 if_en if_conv(char *);
+enum gfx_if_en if_conv(char *);
enum tmt_en tmt_conv(char *);
enum grc_en grc_conv(char *);
-enum grc_en text_prop_conv(char *);
+enum text_prop_en text_prop_conv(char *);
int im_free(image_desc_t *);
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(gfx_canvas_t *,image_desc_t *);
-int horizontal_log_grid(gfx_canvas_t *, image_desc_t *);
-void vertical_grid(gfx_canvas_t *, image_desc_t *);
-void axis_paint( image_desc_t *, gfx_canvas_t *);
-void grid_paint( image_desc_t *, gfx_canvas_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 *);
+void grid_paint(image_desc_t *);
int lazy_check(image_desc_t *);
int graph_paint(image_desc_t *, char ***);
-void pie_part(gfx_canvas_t *, gfx_color_t, double, double, double, double, double);
+#ifdef WITH_PIECHART
+void pie_part(image_desc_t *, gfx_color_t, double, double, double, double, double);
+#endif
int gdes_alloc(image_desc_t *);
int scan_for_col(char *, int, char *);
-int rrd_graph(int, char **, char ***, int *, int *);
+int rrd_graph(int, char **, char ***, int *, int *, FILE *, double *, double *);
void rrd_graph_init(image_desc_t *);
void rrd_graph_options(int, char **, image_desc_t *);
-void rrd_graph_script(int, char **, image_desc_t *);
+void rrd_graph_script(int, char **, image_desc_t *, int);
int rrd_graph_check_vname(image_desc_t *, char *, char *);
-int rrd_graph_check_CF(image_desc_t *, char *, char *);
int rrd_graph_color(image_desc_t *, char *, char *, int);
-int rrd_graph_legend(graph_desc_t *, char *);
int bad_format(char *);
int vdef_parse(struct graph_desc_t *,char *);
int vdef_calc(image_desc_t *, int);
int vdef_percent_compar(const void *,const void *);
-int graph_size_location(image_desc_t *, int, int);
+int graph_size_location(image_desc_t *, int
+#ifdef WITH_PIECHART
+ ,int
+#endif
+);
+
+#endif