/****************************************************************************
- * RRDtool 1.1.x Copyright Tobias Oetiker, 1997 - 2002
+ * RRDtool 1.2rc5 Copyright by Tobi Oetiker, 1997-2005
****************************************************************************
- * rrd__graph.c make creates ne rrds
+ * rrd__graph.c produce graphs from data in rrdfiles
****************************************************************************/
-#if 0
-#include "rrd_tool.h"
-#endif
#include <sys/stat.h>
-#ifdef WIN32
+
+#include "rrd_tool.h"
+
+#if defined(WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
#include <io.h>
#include <fcntl.h>
#endif
+#ifdef HAVE_TIME_H
+#include <time.h>
+#endif
+
+#ifdef HAVE_LOCALE_H
+#include <locale.h>
+#endif
+
#include "rrd_graph.h"
-#include "rrd_graph_helper.h"
/* some constant definitions */
+
#ifndef RRD_DEFAULT_FONT
-#define RRD_DEFAULT_FONT "/usr/share/fonts/truetype/openoffice/ariosor.ttf"
-/* #define RRD_DEFAULT_FONT "/usr/share/fonts/truetype/Arial.ttf" */
+/* there is special code later to pick Cour.ttf when running on windows */
+#define RRD_DEFAULT_FONT "VeraMono.ttf"
#endif
-
text_prop_t text_prop[] = {
- { 10.0, RRD_DEFAULT_FONT }, /* default */
- { 12.0, RRD_DEFAULT_FONT }, /* title */
- { 8.0, RRD_DEFAULT_FONT }, /* axis */
- { 10.0, RRD_DEFAULT_FONT }, /* unit */
- { 10.0, RRD_DEFAULT_FONT } /* legend */
+ { 9.0, RRD_DEFAULT_FONT }, /* default */
+ { 11.0, RRD_DEFAULT_FONT }, /* title */
+ { 8.0, RRD_DEFAULT_FONT }, /* axis */
+ { 9.0, RRD_DEFAULT_FONT }, /* unit */
+ { 9.0, RRD_DEFAULT_FONT } /* legend */
};
xlab_t xlab[] = {
0xF0F0F0FF, /* background */
0xD0D0D0FF, /* shade A */
0xA0A0A0FF, /* shade B */
- 0x909090FF, /* grid */
- 0xE05050FF, /* major grid */
+ 0x90909080, /* grid */
+ 0xE0505080, /* major grid */
0x000000FF, /* font */
- 0x000000FF, /* frame */
- 0xFF0000FF /* arrow */
+ 0xFF0000FF, /* arrow */
+ 0x404040FF /* axis */
};
}
/* translate data values into y coordinates */
-int
+double
ytr(image_desc_t *im, double value){
static double pixie;
double yval;
pixie = (double) im->ysize / (log10(im->maxval) - log10(im->minval));
yval = im->yorigin;
} else if(!im->logarithmic) {
- yval = im->yorigin - pixie * (value - im->minval) + 0.5;
+ yval = im->yorigin - pixie * (value - im->minval);
} else {
if (value < im->minval) {
yval = im->yorigin;
} else {
- yval = im->yorigin - pixie * (log10(value) - log10(im->minval)) + 0.5;
+ yval = im->yorigin - pixie * (log10(value) - log10(im->minval));
}
}
/* make sure we don't return anything too unreasonable. GD lib can
get terribly slow when drawing lines outside its scope. This is
especially problematic in connection with the rigid option */
if (! im->rigid) {
- return (int)yval;
- } else if ((int)yval > im->yorigin) {
- return im->yorigin+2;
- } else if ((int) yval < im->yorigin - im->ysize){
- return im->yorigin - im->ysize - 2;
- } else {
- return (int)yval;
+ /* keep yval as-is */
+ } else if (yval > im->yorigin) {
+ yval = im->yorigin+2;
+ } else if (yval < im->yorigin - im->ysize){
+ yval = im->yorigin - im->ysize - 2;
}
+ return yval;
}
conv_if(DEF,GF_DEF)
conv_if(CDEF,GF_CDEF)
conv_if(VDEF,GF_VDEF)
+#ifdef WITH_PIECHART
conv_if(PART,GF_PART)
+#endif
+ conv_if(XPORT,GF_XPORT)
+ conv_if(SHIFT,GF_SHIFT)
return (-1);
}
-enum if_en if_conv(char *string){
+enum gfx_if_en if_conv(char *string){
- conv_if(GIF,IF_GIF)
conv_if(PNG,IF_PNG)
+ conv_if(SVG,IF_SVG)
+ conv_if(EPS,IF_EPS)
+ conv_if(PDF,IF_PDF)
return (-1);
}
conv_if(GRID,GRC_GRID)
conv_if(MGRID,GRC_MGRID)
conv_if(FONT,GRC_FONT)
- conv_if(FRAME,GRC_FRAME)
conv_if(ARROW,GRC_ARROW)
+ conv_if(AXIS,GRC_AXIS)
return -1;
}
#undef conv_if
-
-
int
im_free(image_desc_t *im)
{
- long i,ii;
+ unsigned long i,ii;
+
if (im == NULL) return 0;
- for(i=0;i<im->gdes_c;i++){
+ for(i=0;i<(unsigned)im->gdes_c;i++){
if (im->gdes[i].data_first){
/* careful here, because a single pointer can occur several times */
free (im->gdes[i].data);
free (im->gdes[i].rpnp);
}
free(im->gdes);
+ gfx_destroy(im->canvas);
return 0;
}
#endif
}
-
+void
+apply_gridfit(image_desc_t *im)
+{
+ if (isnan(im->minval) || isnan(im->maxval))
+ return;
+ ytr(im,DNAN);
+ if (im->logarithmic) {
+ double ya, yb, ypix, ypixfrac;
+ double log10_range = log10(im->maxval) - log10(im->minval);
+ ya = pow((double)10, floor(log10(im->minval)));
+ while (ya < im->minval)
+ ya *= 10;
+ if (ya > im->maxval)
+ return; /* don't have y=10^x gridline */
+ yb = ya * 10;
+ if (yb <= im->maxval) {
+ /* we have at least 2 y=10^x gridlines.
+ Make sure distance between them in pixels
+ are an integer by expanding im->maxval */
+ double y_pixel_delta = ytr(im, ya) - ytr(im, yb);
+ double factor = y_pixel_delta / floor(y_pixel_delta);
+ double new_log10_range = factor * log10_range;
+ double new_ymax_log10 = log10(im->minval) + new_log10_range;
+ im->maxval = pow(10, new_ymax_log10);
+ ytr(im, DNAN); /* reset precalc */
+ log10_range = log10(im->maxval) - log10(im->minval);
+ }
+ /* make sure first y=10^x gridline is located on
+ integer pixel position by moving scale slightly
+ downwards (sub-pixel movement) */
+ ypix = ytr(im, ya) + im->ysize; /* add im->ysize so it always is positive */
+ ypixfrac = ypix - floor(ypix);
+ if (ypixfrac > 0 && ypixfrac < 1) {
+ double yfrac = ypixfrac / im->ysize;
+ im->minval = pow(10, log10(im->minval) - yfrac * log10_range);
+ im->maxval = pow(10, log10(im->maxval) - yfrac * log10_range);
+ ytr(im, DNAN); /* reset precalc */
+ }
+ } else {
+ /* Make sure we have an integer pixel distance between
+ each minor gridline */
+ double ypos1 = ytr(im, im->minval);
+ double ypos2 = ytr(im, im->minval + im->ygrid_scale.gridstep);
+ double y_pixel_delta = ypos1 - ypos2;
+ double factor = y_pixel_delta / floor(y_pixel_delta);
+ double new_range = factor * (im->maxval - im->minval);
+ double gridstep = im->ygrid_scale.gridstep;
+ double minor_y, minor_y_px, minor_y_px_frac;
+ im->maxval = im->minval + new_range;
+ ytr(im, DNAN); /* reset precalc */
+ /* make sure first minor gridline is on integer pixel y coord */
+ minor_y = gridstep * floor(im->minval / gridstep);
+ while (minor_y < im->minval)
+ minor_y += gridstep;
+ minor_y_px = ytr(im, minor_y) + im->ysize; /* ensure > 0 by adding ysize */
+ minor_y_px_frac = minor_y_px - floor(minor_y_px);
+ if (minor_y_px_frac > 0 && minor_y_px_frac < 1) {
+ double yfrac = minor_y_px_frac / im->ysize;
+ double range = im->maxval - im->minval;
+ im->minval = im->minval - yfrac * range;
+ im->maxval = im->maxval - yfrac * range;
+ ytr(im, DNAN); /* reset precalc */
+ }
+ calc_horizontal_grid(im); /* recalc with changed im->maxval */
+ }
+}
+
/* reduce data reimplementation by Alex */
void
** into one interval for the destination.
*/
- for (dst_row=0;row_cnt>=reduce_factor;dst_row++) {
+ for (dst_row=0;(long int)row_cnt>=reduce_factor;dst_row++) {
for (col=0;col<(*ds_cnt);col++) {
rrd_value_t newval=DNAN;
unsigned long validval=0;
relevant rrds ... */
int
-data_fetch( image_desc_t *im )
+data_fetch(image_desc_t *im )
{
- int i,ii;
- int skip;
+ int i,ii;
+ int skip;
+
/* pull the data from the log files ... */
- for (i=0;i<im->gdes_c;i++){
+ for (i=0;i< (int)im->gdes_c;i++){
/* only GF_DEF elements fetch data */
if (im->gdes[i].gf != GF_DEF)
continue;
skip=0;
/* do we have it already ?*/
- for (ii=0;ii<i;ii++){
+ for (ii=0;ii<i;ii++) {
if (im->gdes[ii].gf != GF_DEF)
continue;
- if((strcmp(im->gdes[i].rrd,im->gdes[ii].rrd) == 0)
- && (im->gdes[i].cf == im->gdes[ii].cf)){
- /* OK the data it is here already ...
- * we just copy the header portion */
+ if ((strcmp(im->gdes[i].rrd, im->gdes[ii].rrd) == 0)
+ && (im->gdes[i].cf == im->gdes[ii].cf)
+ && (im->gdes[i].cf_reduce == im->gdes[ii].cf_reduce)
+ && (im->gdes[i].start == im->gdes[ii].start)
+ && (im->gdes[i].end == im->gdes[ii].end)
+ && (im->gdes[i].step == im->gdes[ii].step)) {
+ /* OK, the data is already there.
+ ** Just copy the header portion
+ */
im->gdes[i].start = im->gdes[ii].start;
im->gdes[i].end = im->gdes[ii].end;
im->gdes[i].step = im->gdes[ii].step;
return -1;
}
im->gdes[i].data_first = 1;
+ im->gdes[i].step = im->step;
if (ft_step < im->gdes[i].step) {
- reduce_data(im->gdes[i].cf,
+ reduce_data(im->gdes[i].cf_reduce,
ft_step,
&im->gdes[i].start,
&im->gdes[i].end,
}
}
- /* lets see if the required data source is realy there */
- for(ii=0;ii<im->gdes[i].ds_cnt;ii++){
+ /* lets see if the required data source is really there */
+ for(ii=0;ii<(int)im->gdes[i].ds_cnt;ii++){
if(strcmp(im->gdes[i].ds_namv[ii],im->gdes[i].ds_nam) == 0){
im->gdes[i].ds=ii; }
}
* so CDEFs can use VDEFs and vice versa
*/
switch (im->gdes[gdi].gf) {
+ case GF_XPORT:
+ break;
+ case GF_SHIFT: {
+ graph_desc_t *vdp = &im->gdes[im->gdes[gdi].vidx];
+
+ /* remove current shift */
+ vdp->start -= vdp->shift;
+ vdp->end -= vdp->shift;
+
+ /* vdef */
+ if (im->gdes[gdi].shidx >= 0)
+ vdp->shift = im->gdes[im->gdes[gdi].shidx].vf.val;
+ /* constant */
+ else
+ vdp->shift = im->gdes[gdi].shval;
+
+ /* normalize shift to multiple of consolidated step */
+ vdp->shift = (vdp->shift / (long)vdp->step) * (long)vdp->step;
+
+ /* apply shift */
+ vdp->start += vdp->shift;
+ vdp->end += vdp->shift;
+ break;
+ }
case GF_VDEF:
/* A VDEF has no DS. This also signals other parts
* of rrdtool that this is a VDEF value, not a CDEF.
* resulting data source.
*/
for(rpi=0;im->gdes[gdi].rpnp[rpi].op != OP_END;rpi++){
- if(im->gdes[gdi].rpnp[rpi].op == OP_VARIABLE){
+ if(im->gdes[gdi].rpnp[rpi].op == OP_VARIABLE ||
+ im->gdes[gdi].rpnp[rpi].op == OP_PREV_OTHER){
long ptr = im->gdes[gdi].rpnp[rpi].ptr;
if (im->gdes[ptr].ds_cnt == 0) {
#if 0
-printf("DEBUG: inside CDEF '%s' processing VDEF '%s'\n",
+ printf("DEBUG: inside CDEF '%s' processing VDEF '%s'\n",
im->gdes[gdi].vname,
im->gdes[ptr].vname);
-printf("DEBUG: value from vdef is %f\n",im->gdes[ptr].vf.val);
+ printf("DEBUG: value from vdef is %f\n",im->gdes[ptr].vf.val);
#endif
im->gdes[gdi].rpnp[rpi].val = im->gdes[ptr].vf.val;
im->gdes[gdi].rpnp[rpi].op = OP_NUMBER;
} else {
- if ((steparray = rrd_realloc(steparray, (++stepcnt+1)*sizeof(*steparray)))==NULL){
+ if ((steparray =
+ rrd_realloc(steparray,
+ (++stepcnt+1)*sizeof(*steparray)))==NULL){
rrd_set_error("realloc steparray");
rpnstack_free(&rpnstack);
return -1;
} /* if OP_VARIABLE */
} /* loop through all rpi */
+ /* move the data pointers to the correct period */
+ for(rpi=0;im->gdes[gdi].rpnp[rpi].op != OP_END;rpi++){
+ if(im->gdes[gdi].rpnp[rpi].op == OP_VARIABLE ||
+ im->gdes[gdi].rpnp[rpi].op == OP_PREV_OTHER){
+ long ptr = im->gdes[gdi].rpnp[rpi].ptr;
+ long diff = im->gdes[gdi].start - im->gdes[ptr].start;
+
+ if(diff > 0)
+ im->gdes[gdi].rpnp[rpi].data += (diff / im->gdes[ptr].step) * im->gdes[ptr].ds_cnt;
+ }
+ }
+
if(steparray == NULL){
rrd_set_error("rpn expressions without DEF"
" or CDEF variables are not supported");
unsigned long gr_time;
/* memory for the processed data */
- for(i=0;i<im->gdes_c;i++){
- if((im->gdes[i].gf==GF_LINE) ||
- (im->gdes[i].gf==GF_AREA) ||
- (im->gdes[i].gf==GF_TICK) ||
- (im->gdes[i].gf==GF_STACK)){
- if((im->gdes[i].p_data = malloc((im->xsize +1)
+ for(i=0;i<im->gdes_c;i++) {
+ if((im->gdes[i].gf==GF_LINE) ||
+ (im->gdes[i].gf==GF_AREA) ||
+ (im->gdes[i].gf==GF_TICK) ||
+ (im->gdes[i].gf==GF_STACK)) {
+ if((im->gdes[i].p_data = malloc((im->xsize +1)
* sizeof(rrd_value_t)))==NULL){
- rrd_set_error("malloc data_proc");
- return -1;
+ rrd_set_error("malloc data_proc");
+ return -1;
+ }
}
- }
}
-
- for(i=0;i<im->xsize;i++){
+
+ for (i=0;i<im->xsize;i++) { /* for each pixel */
long vidx;
- gr_time = im->start+pixstep*i; /* time of the
- current step */
+ gr_time = im->start+pixstep*i; /* time of the current step */
paintval=0.0;
- for(ii=0;ii<im->gdes_c;ii++){
- double value;
- switch(im->gdes[ii].gf){
- case GF_LINE:
- case GF_AREA:
+ for (ii=0;ii<im->gdes_c;ii++) {
+ double value;
+ switch (im->gdes[ii].gf) {
+ case GF_LINE:
+ case GF_AREA:
case GF_TICK:
- paintval = 0.0;
- case GF_STACK:
- vidx = im->gdes[ii].vidx;
-
- value =
- im->gdes[vidx].data[
- ((unsigned long)floor(
- (double)(gr_time-im->gdes[vidx].start) / im->gdes[vidx].step
- )
- ) *im->gdes[vidx].ds_cnt
- +im->gdes[vidx].ds];
-
- if (! isnan(value)) {
- paintval += value;
- im->gdes[ii].p_data[i] = paintval;
- /* GF_TICK: the data values are not relevant for min and max */
- if (finite(paintval) && im->gdes[ii].gf != GF_TICK ){
- if (isnan(minval) || paintval < minval)
- minval = paintval;
- if (isnan(maxval) || paintval > maxval)
- maxval = paintval;
- }
- } else {
- im->gdes[ii].p_data[i] = DNAN;
- }
- break;
- case GF_PRINT:
- case GF_GPRINT:
- case GF_COMMENT:
- case GF_HRULE:
- case GF_VRULE:
- case GF_DEF:
- case GF_CDEF:
- case GF_VDEF:
- break;
+ if (!im->gdes[ii].stack)
+ paintval = 0.0;
+ case GF_STACK:
+ value = im->gdes[ii].yrule;
+ if (isnan(value) || (im->gdes[ii].gf == GF_TICK)) {
+ /* The time of the data doesn't necessarily match
+ ** the time of the graph. Beware.
+ */
+ vidx = im->gdes[ii].vidx;
+ if (im->gdes[vidx].gf == GF_VDEF) {
+ value = im->gdes[vidx].vf.val;
+ } else if (((long int)gr_time >= (long int)im->gdes[vidx].start) &&
+ ((long int)gr_time <= (long int)im->gdes[vidx].end) ) {
+ value = im->gdes[vidx].data[
+ (unsigned long) floor(
+ (double)(gr_time - im->gdes[vidx].start)
+ / im->gdes[vidx].step)
+ * im->gdes[vidx].ds_cnt
+ + im->gdes[vidx].ds
+ ];
+ } else {
+ value = DNAN;
+ }
+ };
+
+ if (! isnan(value)) {
+ paintval += value;
+ im->gdes[ii].p_data[i] = paintval;
+ /* GF_TICK: the data values are not
+ ** relevant for min and max
+ */
+ if (finite(paintval) && im->gdes[ii].gf != GF_TICK ) {
+ if (isnan(minval) || paintval < minval)
+ minval = paintval;
+ if (isnan(maxval) || paintval > maxval)
+ maxval = paintval;
+ }
+ } else {
+ im->gdes[ii].p_data[i] = DNAN;
+ }
+ break;
+ default:
+ break;
}
}
}
/* adjust min and max values */
if (isnan(im->minval)
- || ((!im->logarithmic && !im->rigid) /* don't adjust low-end with log scale */
- && im->minval > minval))
+ /* don't adjust low-end with log scale */
+ || ((!im->logarithmic && !im->rigid) && im->minval > minval)
+ )
im->minval = minval;
if (isnan(im->maxval)
- || (!im->rigid
- && im->maxval < maxval)){
+ || (!im->rigid && im->maxval < maxval)
+ ) {
if (im->logarithmic)
im->maxval = maxval * 1.1;
else
im->maxval = maxval;
}
+ /* make sure min is smaller than max */
+ if (im->minval > im->maxval) {
+ im->minval = 0.99 * im->maxval;
+ }
+
/* make sure min and max are not equal */
if (im->minval == im->maxval) {
- im->maxval *= 1.01;
- if (! im->logarithmic) {
- im->minval *= 0.99;
- }
-
- /* make sure min and max are not both zero */
- if (im->maxval == 0.0) {
+ im->maxval *= 1.01;
+ if (! im->logarithmic) {
+ im->minval *= 0.99;
+ }
+ /* make sure min and max are not both zero */
+ if (im->maxval == 0.0) {
im->maxval = 1.0;
- }
-
+ }
}
return 0;
}
)
{
struct tm tm;
- tm = *localtime(&start);
+ localtime_r(&start, &tm);
switch(baseint){
case TMT_SECOND:
tm.tm_sec -= tm.tm_sec % basestep; break;
{
struct tm tm;
time_t madetime;
- tm = *localtime(¤t);
+ localtime_r(¤t, &tm);
do {
switch(baseint){
case TMT_SECOND:
} /* prepare printval */
if (!strcmp(im->gdes[i].format,"%c")) { /* VDEF time print */
+ char ctime_buf[128]; /* PS: for ctime_r, must be >= 26 chars */
if (im->gdes[i].gf == GF_PRINT){
(*prdata)[prlines-2] = malloc((FMT_LEG_LEN+2)*sizeof(char));
sprintf((*prdata)[prlines-2],"%s (%lu)",
- ctime(&printtime),printtime);
+ ctime_r(&printtime,ctime_buf),printtime);
(*prdata)[prlines-1] = NULL;
} else {
sprintf(im->gdes[i].legend,"%s (%lu)",
- ctime(&printtime),printtime);
+ ctime_r(&printtime,ctime_buf),printtime);
graphelement = 1;
}
} else {
if (im->gdes[i].gf == GF_PRINT){
(*prdata)[prlines-2] = malloc((FMT_LEG_LEN+2)*sizeof(char));
+ (*prdata)[prlines-1] = NULL;
if (bad_format(im->gdes[i].format)) {
- rrd_set_error("bad format for [G]PRINT in '%s'", im->gdes[i].format);
+ rrd_set_error("bad format for PRINT in '%s'", im->gdes[i].format);
return -1;
}
#ifdef HAVE_SNPRINTF
#else
sprintf((*prdata)[prlines-2],im->gdes[i].format,printval,si_symb);
#endif
- (*prdata)[prlines-1] = NULL;
} else {
/* GF_GPRINT */
if (bad_format(im->gdes[i].format)) {
- rrd_set_error("bad format for [G]PRINT in '%s'", im->gdes[i].format);
+ rrd_set_error("bad format for GPRINT in '%s'", im->gdes[i].format);
return -1;
}
#ifdef HAVE_SNPRINTF
}
}
break;
- case GF_COMMENT:
case GF_LINE:
case GF_AREA:
case GF_TICK:
- case GF_PART:
case GF_STACK:
case GF_HRULE:
case GF_VRULE:
graphelement = 1;
break;
+ case GF_COMMENT:
case GF_DEF:
case GF_CDEF:
case GF_VDEF:
+#ifdef WITH_PIECHART
+ case GF_PART:
+#endif
+ case GF_SHIFT:
+ case GF_XPORT:
break;
}
}
{
/* graph labels */
int interleg = im->text_prop[TEXT_PROP_LEGEND].size*2.0;
- int box =im->text_prop[TEXT_PROP_LEGEND].size*1.5;
int border = im->text_prop[TEXT_PROP_LEGEND].size*2.0;
int fill=0, fill_last;
int leg_c = 0;
- int leg_x = border, leg_y = im->ygif;
+ int leg_x = border, leg_y = im->yimg;
int leg_cc;
int glue = 0;
int i,ii, mark = 0;
char prt_fctn; /*special printfunctions */
int *legspace;
- if( !(im->extra_flags & NOLEGEND) ) {
+ if( !(im->extra_flags & NOLEGEND) & !(im->extra_flags & ONLY_GRAPH) ) {
if ((legspace = malloc(im->gdes_c*sizeof(int)))==NULL){
rrd_set_error("malloc for legspace");
return -1;
for(i=0;i<im->gdes_c;i++){
fill_last = fill;
+
+ /* hid legends for rules which are not displayed */
+
+ if(!(im->extra_flags & FORCE_RULES_LEGEND)) {
+ if (im->gdes[i].gf == GF_HRULE &&
+ (im->gdes[i].yrule < im->minval || im->gdes[i].yrule > im->maxval))
+ im->gdes[i].legend[0] = '\0';
+
+ if (im->gdes[i].gf == GF_VRULE &&
+ (im->gdes[i].xrule < im->start || im->gdes[i].xrule > im->end))
+ im->gdes[i].legend[0] = '\0';
+ }
leg_cc = strlen(im->gdes[i].legend);
/* is there a controle code ant the end of the legend string ? */
- if (leg_cc >= 2 && im->gdes[i].legend[leg_cc-2] == '\\') {
+ /* and it is not a tab \\t */
+ if (leg_cc >= 2 && im->gdes[i].legend[leg_cc-2] == '\\' && im->gdes[i].legend[leg_cc-1] != 't') {
prt_fctn = im->gdes[i].legend[leg_cc-1];
leg_cc -= 2;
im->gdes[i].legend[leg_cc] = '\0';
leg_cc--;
im->gdes[i].legend[leg_cc]='\0';
}
- if (leg_cc != 0 ){
+ if (leg_cc != 0 ){
legspace[i]=(prt_fctn=='g' ? 0 : interleg);
if (fill > 0){
/* no interleg space if string ends in \g */
fill += legspace[i];
}
- if (im->gdes[i].gf != GF_GPRINT &&
- im->gdes[i].gf != GF_COMMENT) {
- fill += box;
- }
- fill += gfx_get_text_width(fill+border,im->text_prop[TEXT_PROP_LEGEND].font,
+ fill += gfx_get_text_width(im->canvas, fill+border,
+ im->text_prop[TEXT_PROP_LEGEND].font,
im->text_prop[TEXT_PROP_LEGEND].size,
im->tabwidth,
- im->gdes[i].legend);
+ im->gdes[i].legend, 0);
leg_c++;
} else {
legspace[i]=0;
if (i == im->gdes_c -1 ) prt_fctn ='l';
/* is it time to place the legends ? */
- if (fill > im->xgif - 2*border){
+ if (fill > im->ximg - 2*border){
if (leg_c > 1) {
/* go back one */
i--;
}
- if (prt_fctn != '\0'){
+ if (prt_fctn != '\0'){
leg_x = border;
if (leg_c >= 2 && prt_fctn == 'j') {
- glue = (im->xgif - fill - 2* border) / (leg_c-1);
+ glue = (im->ximg - fill - 2* border) / (leg_c-1);
} else {
glue = 0;
}
- if (prt_fctn =='c') leg_x = (im->xgif - fill) / 2.0;
- if (prt_fctn =='r') leg_x = im->xgif - fill - border;
+ if (prt_fctn =='c') leg_x = (im->ximg - fill) / 2.0;
+ if (prt_fctn =='r') leg_x = im->ximg - fill - border;
for(ii=mark;ii<=i;ii++){
if(im->gdes[ii].legend[0]=='\0')
- continue;
+ continue; /* skip empty legends */
im->gdes[ii].leg_x = leg_x;
im->gdes[ii].leg_y = leg_y;
leg_x +=
- gfx_get_text_width(leg_x,im->text_prop[TEXT_PROP_LEGEND].font,
+ gfx_get_text_width(im->canvas, leg_x,
+ im->text_prop[TEXT_PROP_LEGEND].font,
im->text_prop[TEXT_PROP_LEGEND].size,
im->tabwidth,
- im->gdes[ii].legend)
+ im->gdes[ii].legend, 0)
+ legspace[ii]
+ glue;
- if (im->gdes[ii].gf != GF_GPRINT &&
- im->gdes[ii].gf != GF_COMMENT)
- leg_x += box;
- }
- leg_y = leg_y + im->text_prop[TEXT_PROP_LEGEND].size*1.2;
- if (prt_fctn == 's') leg_y -= im->text_prop[TEXT_PROP_LEGEND].size*1.2;
+ }
+ leg_y += im->text_prop[TEXT_PROP_LEGEND].size*1.7;
+ if (prt_fctn == 's') leg_y -= im->text_prop[TEXT_PROP_LEGEND].size;
fill = 0;
leg_c = 0;
mark = ii;
}
}
- im->ygif = leg_y+6;
+ im->yimg = leg_y;
free(legspace);
}
return 0;
int
-horizontal_grid(gfx_canvas_t *canvas, image_desc_t *im)
+calc_horizontal_grid(image_desc_t *im)
{
double range;
double scaledrange;
int pixel,i;
- int sgrid,egrid;
- double gridstep;
- double scaledstep;
- char graph_label[100];
- double x0,x1,y0,y1;
- int labfact,gridind;
+ int gridind;
int decimals, fractionals;
- char labfmt[64];
- labfact=2;
+ im->ygrid_scale.labfact=2;
gridind=-1;
range = im->maxval - im->minval;
scaledrange = range / im->magfact;
fractionals = floor(log10(range));
if(fractionals < 0) /* small amplitude. */
- sprintf(labfmt, "%%%d.%df", decimals - fractionals + 1, -fractionals + 1);
+ sprintf(im->ygrid_scale.labfmt, "%%%d.%df", decimals - fractionals + 1, -fractionals + 1);
else
- sprintf(labfmt, "%%%d.1f", decimals + 1);
- gridstep = pow((double)10, (double)fractionals);
- if(gridstep == 0) /* range is one -> 0.1 is reasonable scale */
- gridstep = 0.1;
+ sprintf(im->ygrid_scale.labfmt, "%%%d.1f", decimals + 1);
+ im->ygrid_scale.gridstep = pow((double)10, (double)fractionals);
+ if(im->ygrid_scale.gridstep == 0) /* range is one -> 0.1 is reasonable scale */
+ im->ygrid_scale.gridstep = 0.1;
/* should have at least 5 lines but no more then 15 */
- if(range/gridstep < 5)
- gridstep /= 10;
- if(range/gridstep > 15)
- gridstep *= 10;
- if(range/gridstep > 5) {
- labfact = 1;
- if(range/gridstep > 8)
- labfact = 2;
+ if(range/im->ygrid_scale.gridstep < 5)
+ im->ygrid_scale.gridstep /= 10;
+ if(range/im->ygrid_scale.gridstep > 15)
+ im->ygrid_scale.gridstep *= 10;
+ if(range/im->ygrid_scale.gridstep > 5) {
+ im->ygrid_scale.labfact = 1;
+ if(range/im->ygrid_scale.gridstep > 8)
+ im->ygrid_scale.labfact = 2;
}
else {
- gridstep /= 5;
- labfact = 5;
+ im->ygrid_scale.gridstep /= 5;
+ im->ygrid_scale.labfact = 5;
}
}
else {
for(i=0; i<4;i++) {
if (pixel * ylab[gridind].lfac[i] >= 2 * im->text_prop[TEXT_PROP_AXIS].size) {
- labfact = ylab[gridind].lfac[i];
+ im->ygrid_scale.labfact = ylab[gridind].lfac[i];
break;
}
}
- gridstep = ylab[gridind].grid * im->magfact;
+ im->ygrid_scale.gridstep = ylab[gridind].grid * im->magfact;
}
} else {
- gridstep = im->ygridstep;
- labfact = im->ylabfact;
+ im->ygrid_scale.gridstep = im->ygridstep;
+ im->ygrid_scale.labfact = im->ylabfact;
}
-
- x0=im->xorigin;
- x1=im->xorigin+im->xsize;
+ return 1;
+}
+
+int draw_horizontal_grid(image_desc_t *im)
+{
+ int i;
+ double scaledstep;
+ char graph_label[100];
+ double X0=im->xorigin;
+ double X1=im->xorigin+im->xsize;
- sgrid = (int)( im->minval / gridstep - 1);
- egrid = (int)( im->maxval / gridstep + 1);
- scaledstep = gridstep/im->magfact;
+ int sgrid = (int)( im->minval / im->ygrid_scale.gridstep - 1);
+ int egrid = (int)( im->maxval / im->ygrid_scale.gridstep + 1);
+ scaledstep = im->ygrid_scale.gridstep/im->magfact;
for (i = sgrid; i <= egrid; i++){
- y0=ytr(im,gridstep*i);
- if ( y0 >= im->yorigin-im->ysize
- && y0 <= im->yorigin){
- if(i % labfact == 0){
+ double Y0=ytr(im,im->ygrid_scale.gridstep*i);
+ if ( Y0 >= im->yorigin-im->ysize
+ && Y0 <= im->yorigin){
+ if(i % im->ygrid_scale.labfact == 0){
if (i==0 || im->symbol == ' ') {
if(scaledstep < 1){
if(im->extra_flags & ALTYGRID) {
- sprintf(graph_label,labfmt,scaledstep*i);
+ sprintf(graph_label,im->ygrid_scale.labfmt,scaledstep*i);
}
else {
sprintf(graph_label,"%4.1f",scaledstep*i);
}
}
- gfx_new_text ( canvas,
- x0-im->text_prop[TEXT_PROP_AXIS].size/1.5, y0,
+ gfx_new_text ( im->canvas,
+ X0-im->text_prop[TEXT_PROP_AXIS].size/1.5, Y0,
im->graph_col[GRC_FONT],
im->text_prop[TEXT_PROP_AXIS].font,
im->text_prop[TEXT_PROP_AXIS].size,
im->tabwidth, 0.0, GFX_H_RIGHT, GFX_V_CENTER,
graph_label );
- gfx_new_line ( canvas,
- x0-2,y0,
- x1+2,y0,
- MGRIDWIDTH, im->graph_col[GRC_MGRID] );
+ gfx_new_dashed_line ( im->canvas,
+ X0-2,Y0,
+ X1+2,Y0,
+ MGRIDWIDTH, im->graph_col[GRC_MGRID],
+ im->grid_dash_on, im->grid_dash_off);
- } else {
- gfx_new_line ( canvas,
- x0-1,y0,
- x1+1,y0,
- GRIDWIDTH, im->graph_col[GRC_GRID] );
+ } else if (!(im->extra_flags & NOMINOR)) {
+ gfx_new_dashed_line ( im->canvas,
+ X0-1,Y0,
+ X1+1,Y0,
+ GRIDWIDTH, im->graph_col[GRC_GRID],
+ im->grid_dash_on, im->grid_dash_off);
}
}
/* logaritmic horizontal grid */
int
-horizontal_log_grid(gfx_canvas_t *canvas, image_desc_t *im)
+horizontal_log_grid(image_desc_t *im)
{
double pixpex;
int ii,i;
int minoridx=0, majoridx=0;
char graph_label[100];
- double x0,x1,y0,y1;
+ double X0,X1,Y0;
double value, pixperstep, minstep;
/* find grid spaceing */
if(pixperstep > 2 * im->text_prop[TEXT_PROP_LEGEND].size){majoridx = i;}
}
- x0=im->xorigin;
- x1=im->xorigin+im->xsize;
+ X0=im->xorigin;
+ X1=im->xorigin+im->xsize;
/* paint minor grid */
for (value = pow((double)10, log10(im->minval)
- fmod(log10(im->minval),log10(yloglab[minoridx][0])));
if (value < im->minval) continue;
i=0;
while(yloglab[minoridx][++i] > 0){
- y0 = ytr(im,value * yloglab[minoridx][i]);
- if (y0 <= im->yorigin - im->ysize) break;
- gfx_new_line ( canvas,
- x0-1,y0,
- x1+1,y0,
- GRIDWIDTH, im->graph_col[GRC_GRID] );
+ Y0 = ytr(im,value * yloglab[minoridx][i]);
+ if (Y0 <= im->yorigin - im->ysize) break;
+ gfx_new_dashed_line ( im->canvas,
+ X0-1,Y0,
+ X1+1,Y0,
+ GRIDWIDTH, im->graph_col[GRC_GRID],
+ im->grid_dash_on, im->grid_dash_off);
}
}
if (value < im->minval) continue;
i=0;
while(yloglab[majoridx][++i] > 0){
- y0 = ytr(im,value * yloglab[majoridx][i]);
- if (y0 <= im->yorigin - im->ysize) break;
- gfx_new_line ( canvas,
- x0-2,y0,
- x1+2,y0,
- MGRIDWIDTH, im->graph_col[GRC_MGRID] );
+ Y0 = ytr(im,value * yloglab[majoridx][i]);
+ if (Y0 <= im->yorigin - im->ysize) break;
+ gfx_new_dashed_line ( im->canvas,
+ X0-2,Y0,
+ X1+2,Y0,
+ MGRIDWIDTH, im->graph_col[GRC_MGRID],
+ im->grid_dash_on, im->grid_dash_off);
sprintf(graph_label,"%3.0e",value * yloglab[majoridx][i]);
- gfx_new_text ( canvas,
- x0-im->text_prop[TEXT_PROP_AXIS].size/1.5, y0,
+ gfx_new_text ( im->canvas,
+ X0-im->text_prop[TEXT_PROP_AXIS].size/1.5, Y0,
im->graph_col[GRC_FONT],
im->text_prop[TEXT_PROP_AXIS].font,
im->text_prop[TEXT_PROP_AXIS].size,
void
vertical_grid(
- gfx_canvas_t *canvas,
image_desc_t *im )
{
int xlab_sel; /* which sort of label and grid ? */
- time_t ti, tilab;
+ time_t ti, tilab, timajor;
long factor;
char graph_label[100];
- double x0,y0,y1; /* points for filled graph and more*/
-
+ double X0,Y0,Y1; /* points for filled graph and more*/
+ struct tm tm;
/* the type of time grid is determined by finding
the number of seconds per pixel in the graph */
}
/* y coords are the same for every line ... */
- y0 = im->yorigin;
- y1 = im->yorigin-im->ysize;
+ Y0 = im->yorigin;
+ Y1 = im->yorigin-im->ysize;
/* paint the minor grid */
- for(ti = find_first_time(im->start,
- im->xlab_user.gridtm,
- im->xlab_user.gridst);
- ti < im->end;
- ti = find_next_time(ti,im->xlab_user.gridtm,im->xlab_user.gridst)
- ){
- /* are we inside the graph ? */
- if (ti < im->start || ti > im->end) continue;
- x0 = xtr(im,ti);
- gfx_new_line(canvas,x0,y0+1, x0,y1-1,GRIDWIDTH, im->graph_col[GRC_GRID]);
-
+ if (!(im->extra_flags & NOMINOR))
+ {
+ for(ti = find_first_time(im->start,
+ im->xlab_user.gridtm,
+ im->xlab_user.gridst),
+ timajor = find_first_time(im->start,
+ im->xlab_user.mgridtm,
+ im->xlab_user.mgridst);
+ ti < im->end;
+ ti = find_next_time(ti,im->xlab_user.gridtm,im->xlab_user.gridst)
+ ){
+ /* are we inside the graph ? */
+ if (ti < im->start || ti > im->end) continue;
+ while (timajor < ti) {
+ timajor = find_next_time(timajor,
+ im->xlab_user.mgridtm, im->xlab_user.mgridst);
+ }
+ if (ti == timajor) continue; /* skip as falls on major grid line */
+ X0 = xtr(im,ti);
+ gfx_new_dashed_line(im->canvas,X0,Y0+1, X0,Y1-1,GRIDWIDTH,
+ im->graph_col[GRC_GRID],
+ im->grid_dash_on, im->grid_dash_off);
+
+ }
}
/* paint the major grid */
){
/* are we inside the graph ? */
if (ti < im->start || ti > im->end) continue;
- x0 = xtr(im,ti);
- gfx_new_line(canvas,x0,y0+2, x0,y1-2,MGRIDWIDTH, im->graph_col[GRC_MGRID]);
+ X0 = xtr(im,ti);
+ gfx_new_dashed_line(im->canvas,X0,Y0+3, X0,Y1-2,MGRIDWIDTH,
+ im->graph_col[GRC_MGRID],
+ im->grid_dash_on, im->grid_dash_off);
}
/* paint the labels below the graph */
- for(ti = find_first_time(im->start,
+ for(ti = find_first_time(im->start - im->xlab_user.precis/2,
im->xlab_user.labtm,
im->xlab_user.labst);
- ti <= im->end;
+ ti <= im->end - im->xlab_user.precis/2;
ti = find_next_time(ti,im->xlab_user.labtm,im->xlab_user.labst)
){
tilab= ti + im->xlab_user.precis/2; /* correct time for the label */
+ /* are we inside the graph ? */
+ if (tilab < im->start || tilab > im->end) continue;
#if HAVE_STRFTIME
- strftime(graph_label,99,im->xlab_user.stst,localtime(&tilab));
+ localtime_r(&tilab, &tm);
+ strftime(graph_label,99,im->xlab_user.stst, &tm);
#else
# error "your libc has no strftime I guess we'll abort the exercise here."
#endif
- gfx_new_text ( canvas,
- xtr(im,tilab), y0+im->text_prop[TEXT_PROP_AXIS].size/1.5,
+ gfx_new_text ( im->canvas,
+ xtr(im,tilab), Y0+im->text_prop[TEXT_PROP_AXIS].size/1.5,
im->graph_col[GRC_FONT],
im->text_prop[TEXT_PROP_AXIS].font,
im->text_prop[TEXT_PROP_AXIS].size,
void
axis_paint(
- image_desc_t *im,
- gfx_canvas_t *canvas
+ image_desc_t *im
)
{
/* draw x and y axis */
- gfx_new_line ( canvas, im->xorigin+im->xsize,im->yorigin,
+ /* gfx_new_line ( im->canvas, im->xorigin+im->xsize,im->yorigin,
im->xorigin+im->xsize,im->yorigin-im->ysize,
- GRIDWIDTH, im->graph_col[GRC_GRID]);
+ GRIDWIDTH, im->graph_col[GRC_AXIS]);
- gfx_new_line ( canvas, im->xorigin,im->yorigin-im->ysize,
+ gfx_new_line ( im->canvas, im->xorigin,im->yorigin-im->ysize,
im->xorigin+im->xsize,im->yorigin-im->ysize,
- GRIDWIDTH, im->graph_col[GRC_GRID]);
+ GRIDWIDTH, im->graph_col[GRC_AXIS]); */
- gfx_new_line ( canvas, im->xorigin-4,im->yorigin,
+ gfx_new_line ( im->canvas, im->xorigin-4,im->yorigin,
im->xorigin+im->xsize+4,im->yorigin,
- MGRIDWIDTH, im->graph_col[GRC_GRID]);
+ MGRIDWIDTH, im->graph_col[GRC_AXIS]);
- gfx_new_line ( canvas, im->xorigin,im->yorigin+4,
+ gfx_new_line ( im->canvas, im->xorigin,im->yorigin+4,
im->xorigin,im->yorigin-im->ysize-4,
- MGRIDWIDTH, im->graph_col[GRC_GRID]);
+ MGRIDWIDTH, im->graph_col[GRC_AXIS]);
/* arrow for X axis direction */
- gfx_new_area ( canvas,
- im->xorigin+im->xsize+4, im->yorigin-3,
- im->xorigin+im->xsize+4, im->yorigin+3,
- im->xorigin+im->xsize+9, im->yorigin,
+ gfx_new_area ( im->canvas,
+ im->xorigin+im->xsize+3, im->yorigin-3,
+ im->xorigin+im->xsize+3, im->yorigin+4,
+ im->xorigin+im->xsize+8, im->yorigin+0.5, /* LINEOFFSET */
im->graph_col[GRC_ARROW]);
-
-
-
+
}
void
-grid_paint(
- image_desc_t *im,
- gfx_canvas_t *canvas
-
- )
+grid_paint(image_desc_t *im)
{
long i;
- int boxH=8, boxV=8;
int res=0;
- double x0,x1,x2,x3,y0,y1,y2,y3; /* points for filled graph and more*/
+ double X0,Y0; /* points for filled graph and more*/
gfx_node_t *node;
-
/* draw 3d border */
- node = gfx_new_area (canvas, 0,im->ygif, 0,0, im->xgif, 0,im->graph_col[GRC_SHADEA]);
- gfx_add_point( node , im->xgif - 2, 2 );
- gfx_add_point( node , 2,2 );
- gfx_add_point( node , 2,im->ygif-2 );
- gfx_add_point( node , 0,im->ygif );
+ node = gfx_new_area (im->canvas, 0,im->yimg,
+ 2,im->yimg-2,
+ 2,2,im->graph_col[GRC_SHADEA]);
+ gfx_add_point( node , im->ximg - 2, 2 );
+ gfx_add_point( node , im->ximg, 0 );
+ gfx_add_point( node , 0,0 );
+/* gfx_add_point( node , 0,im->yimg ); */
- node = gfx_new_area (canvas, 0,im->ygif, im->xgif,im->ygif, im->xgif,0,im->graph_col[GRC_SHADEB]);
- gfx_add_point( node , im->xgif - 2, 2 );
- gfx_add_point( node , im->xgif-2,im->ygif-2 );
- gfx_add_point( node , 2,im->ygif-2 );
- gfx_add_point( node , 0,im->ygif );
+ node = gfx_new_area (im->canvas, 2,im->yimg-2,
+ im->ximg-2,im->yimg-2,
+ im->ximg - 2, 2,
+ im->graph_col[GRC_SHADEB]);
+ gfx_add_point( node , im->ximg,0);
+ gfx_add_point( node , im->ximg,im->yimg);
+ gfx_add_point( node , 0,im->yimg);
+/* gfx_add_point( node , 0,im->yimg ); */
if (im->draw_x_grid == 1 )
- vertical_grid(canvas, im);
+ vertical_grid(im);
if (im->draw_y_grid == 1){
if(im->logarithmic){
- res = horizontal_log_grid(canvas,im);
+ res = horizontal_log_grid(im);
} else {
- res = horizontal_grid(canvas,im);
+ res = draw_horizontal_grid(im);
}
/* dont draw horizontal grid if there is no min and max val */
if (! res ) {
char *nodata = "No Data found";
- gfx_new_text(canvas,im->xgif/2, (2*im->yorigin-im->ysize) / 2,
+ gfx_new_text(im->canvas,im->ximg/2, (2*im->yorigin-im->ysize) / 2,
im->graph_col[GRC_FONT],
im->text_prop[TEXT_PROP_AXIS].font,
im->text_prop[TEXT_PROP_AXIS].size,
}
}
- /* yaxis description */
- gfx_new_text( canvas,
- 7, (im->yorigin - im->ysize/2),
- im->graph_col[GRC_FONT],
- im->text_prop[TEXT_PROP_AXIS].font,
- im->text_prop[TEXT_PROP_AXIS].size, im->tabwidth, 270.0,
- GFX_H_CENTER, GFX_V_CENTER,
- im->ylegend);
-
+ /* yaxis unit description */
+ gfx_new_text( im->canvas,
+ 7, (im->yorigin - im->ysize/2),
+ im->graph_col[GRC_FONT],
+ im->text_prop[TEXT_PROP_UNIT].font,
+ im->text_prop[TEXT_PROP_UNIT].size, im->tabwidth,
+ RRDGRAPH_YLEGEND_ANGLE,
+ GFX_H_LEFT, GFX_V_CENTER,
+ im->ylegend);
+
/* graph title */
- gfx_new_text( canvas,
- im->xgif/2, im->text_prop[TEXT_PROP_TITLE].size*1.5,
+ gfx_new_text( im->canvas,
+ im->ximg/2, im->text_prop[TEXT_PROP_TITLE].size*1.2,
im->graph_col[GRC_FONT],
im->text_prop[TEXT_PROP_TITLE].font,
im->text_prop[TEXT_PROP_TITLE].size, im->tabwidth, 0.0,
GFX_H_CENTER, GFX_V_CENTER,
im->title);
-
- /* graph labels */
- if( !(im->extra_flags & NOLEGEND) ) {
- for(i=0;i<im->gdes_c;i++){
- if(im->gdes[i].legend[0] =='\0')
- continue;
-
- if(im->gdes[i].gf != GF_GPRINT && im->gdes[i].gf != GF_COMMENT){
- x0 = im->gdes[i].leg_x;
- y0 = im->gdes[i].leg_y+1.0;
- x1 = x0+boxH;
- x2 = x0+boxH;
- x3 = x0;
- y1 = y0;
- y2 = y0+boxV;
- y3 = y0+boxV;
- node = gfx_new_area(canvas, x0,y0,x1,y1,x2,y2 ,im->gdes[i].col);
- gfx_add_point ( node, x3, y3 );
- gfx_add_point ( node, x0, y0 );
- node = gfx_new_line(canvas, x0,y0,x1,y1 ,GRIDWIDTH, im->graph_col[GRC_FRAME]);
- gfx_add_point ( node, x2, y2 );
- gfx_add_point ( node, x3, y3 );
- gfx_add_point ( node, x0, y0 );
-
- gfx_new_text ( canvas, x0+boxH+6, (y0+y2) / 2.0,
- im->graph_col[GRC_FONT],
- im->text_prop[TEXT_PROP_AXIS].font,
- im->text_prop[TEXT_PROP_AXIS].size,
- im->tabwidth,0.0, GFX_H_LEFT, GFX_V_CENTER,
- im->gdes[i].legend );
-
- } else {
- x0 = im->gdes[i].leg_x;
- y0 = im->gdes[i].leg_y;
-
- gfx_new_text ( canvas, x0, (y0+y2) / 2.0,
- im->graph_col[GRC_FONT],
- im->text_prop[TEXT_PROP_AXIS].font,
- im->text_prop[TEXT_PROP_AXIS].size,
- im->tabwidth,0.0, GFX_H_LEFT, GFX_V_BOTTOM,
- im->gdes[i].legend );
-
- }
- }
- }
+
+ /* graph labels */
+ if( !(im->extra_flags & NOLEGEND) & !(im->extra_flags & ONLY_GRAPH) ) {
+ for(i=0;i<im->gdes_c;i++){
+ if(im->gdes[i].legend[0] =='\0')
+ continue;
+
+ /* im->gdes[i].leg_y is the bottom of the legend */
+ X0 = im->gdes[i].leg_x;
+ Y0 = im->gdes[i].leg_y;
+ gfx_new_text ( im->canvas, X0, Y0,
+ im->graph_col[GRC_FONT],
+ im->text_prop[TEXT_PROP_LEGEND].font,
+ im->text_prop[TEXT_PROP_LEGEND].size,
+ im->tabwidth,0.0, GFX_H_LEFT, GFX_V_BOTTOM,
+ im->gdes[i].legend );
+ /* The legend for GRAPH items starts with "M " to have
+ enough space for the box */
+ if ( im->gdes[i].gf != GF_PRINT &&
+ im->gdes[i].gf != GF_GPRINT &&
+ im->gdes[i].gf != GF_COMMENT) {
+ int boxH, boxV;
+
+ boxH = gfx_get_text_width(im->canvas, 0,
+ im->text_prop[TEXT_PROP_LEGEND].font,
+ im->text_prop[TEXT_PROP_LEGEND].size,
+ im->tabwidth,"M", 0)*1.2;
+ boxV = boxH;
+
+ /* make sure transparent colors show up all the same */
+ node = gfx_new_area(im->canvas,
+ X0,Y0-boxV,
+ X0,Y0,
+ X0+boxH,Y0,
+ im->graph_col[GRC_CANVAS]);
+ gfx_add_point ( node, X0+boxH, Y0-boxV );
+
+ node = gfx_new_area(im->canvas,
+ X0,Y0-boxV,
+ X0,Y0,
+ X0+boxH,Y0,
+ im->gdes[i].col);
+ gfx_add_point ( node, X0+boxH, Y0-boxV );
+ node = gfx_new_line(im->canvas,
+ X0,Y0-boxV, X0,Y0,
+ 1,im->graph_col[GRC_FONT]);
+ gfx_add_point(node,X0+boxH,Y0);
+ gfx_add_point(node,X0+boxH,Y0-boxV);
+ gfx_close_path(node);
+ }
+ }
+ }
}
int lazy_check(image_desc_t *im){
FILE *fd = NULL;
int size = 1;
- struct stat gifstat;
+ struct stat imgstat;
if (im->lazy == 0) return 0; /* no lazy option */
- if (stat(im->graphfile,&gifstat) != 0)
+ if (stat(im->graphfile,&imgstat) != 0)
return 0; /* can't stat */
/* one pixel in the existing graph is more then what we would
change here ... */
- if (time(NULL) - gifstat.st_mtime >
+ if (time(NULL) - imgstat.st_mtime >
(im->end - im->start) / im->xsize)
return 0;
if ((fd = fopen(im->graphfile,"rb")) == NULL)
return 0; /* the file does not exist */
- switch (im->imgformat) {
- case IF_GIF:
- size = GifSize(fd,&(im->xgif),&(im->ygif));
- break;
+ switch (im->canvas->imgformat) {
case IF_PNG:
- size = PngSize(fd,&(im->xgif),&(im->ygif));
+ size = PngSize(fd,&(im->ximg),&(im->yimg));
break;
+ default:
+ size = 1;
}
fclose(fd);
return size;
}
+#ifdef WITH_PIECHART
+void
+pie_part(image_desc_t *im, gfx_color_t color,
+ double PieCenterX, double PieCenterY, double Radius,
+ double startangle, double endangle)
+{
+ gfx_node_t *node;
+ double angle;
+ double step=M_PI/50; /* Number of iterations for the circle;
+ ** 10 is definitely too low, more than
+ ** 50 seems to be overkill
+ */
+
+ /* Strange but true: we have to work clockwise or else
+ ** anti aliasing nor transparency don't work.
+ **
+ ** This test is here to make sure we do it right, also
+ ** this makes the for...next loop more easy to implement.
+ ** The return will occur if the user enters a negative number
+ ** (which shouldn't be done according to the specs) or if the
+ ** programmers do something wrong (which, as we all know, never
+ ** happens anyway :)
+ */
+ if (endangle<startangle) return;
+
+ /* Hidden feature: Radius decreases each full circle */
+ angle=startangle;
+ while (angle>=2*M_PI) {
+ angle -= 2*M_PI;
+ Radius *= 0.8;
+ }
+
+ node=gfx_new_area(im->canvas,
+ PieCenterX+sin(startangle)*Radius,
+ PieCenterY-cos(startangle)*Radius,
+ PieCenterX,
+ PieCenterY,
+ PieCenterX+sin(endangle)*Radius,
+ PieCenterY-cos(endangle)*Radius,
+ color);
+ for (angle=endangle;angle-startangle>=step;angle-=step) {
+ gfx_add_point(node,
+ PieCenterX+sin(angle)*Radius,
+ PieCenterY-cos(angle)*Radius );
+ }
+}
+
+#endif
+
+int
+graph_size_location(image_desc_t *im, int elements
+
+#ifdef WITH_PIECHART
+, int piechart
+#endif
+
+ )
+{
+ /* The actual size of the image to draw is determined from
+ ** several sources. The size given on the command line is
+ ** the graph area but we need more as we have to draw labels
+ ** and other things outside the graph area
+ */
+
+ /* +-+-------------------------------------------+
+ ** |l|.................title.....................|
+ ** |e+--+-------------------------------+--------+
+ ** |b| b| | |
+ ** |a| a| | pie |
+ ** |l| l| main graph area | chart |
+ ** |.| .| | area |
+ ** |t| y| | |
+ ** |r+--+-------------------------------+--------+
+ ** |e| | x-axis labels | |
+ ** |v+--+-------------------------------+--------+
+ ** | |..............legends......................|
+ ** +-+-------------------------------------------+
+ */
+ int Xvertical=0, Yvertical=0,
+ Xtitle =0, Ytitle =0,
+ Xylabel =0, Yylabel =0,
+ Xmain =0, Ymain =0,
+#ifdef WITH_PIECHART
+ Xpie =0, Ypie =0,
+#endif
+ Xxlabel =0, Yxlabel =0,
+#if 0
+ Xlegend =0, Ylegend =0,
+#endif
+ Xspacing =10, Yspacing =10;
+
+ if (im->extra_flags & ONLY_GRAPH) {
+ im->xorigin =0;
+ im->ximg = im->xsize;
+ im->yimg = im->ysize;
+ im->yorigin = im->ysize;
+ return 0;
+ }
+
+ if (im->ylegend[0] != '\0' ) {
+ Xvertical = im->text_prop[TEXT_PROP_UNIT].size *2;
+ Yvertical = gfx_get_text_width(im->canvas, 0,
+ im->text_prop[TEXT_PROP_UNIT].font,
+ im->text_prop[TEXT_PROP_UNIT].size,
+ im->tabwidth,im->ylegend, 0);
+ }
+
+
+ if (im->title[0] != '\0') {
+ /* The title is placed "inbetween" two text lines so it
+ ** automatically has some vertical spacing. The horizontal
+ ** spacing is added here, on each side.
+ */
+ Xtitle = gfx_get_text_width(im->canvas, 0,
+ im->text_prop[TEXT_PROP_TITLE].font,
+ im->text_prop[TEXT_PROP_TITLE].size,
+ im->tabwidth,
+ im->title, 0) + 2*Xspacing;
+ Ytitle = im->text_prop[TEXT_PROP_TITLE].size*2.5;
+ }
+
+ if (elements) {
+ Xmain=im->xsize;
+ Ymain=im->ysize;
+ if (im->draw_x_grid) {
+ Xxlabel=Xmain;
+ Yxlabel=im->text_prop[TEXT_PROP_AXIS].size *2.5;
+ }
+ if (im->draw_y_grid) {
+ Xylabel=im->text_prop[TEXT_PROP_AXIS].size *6;
+ Yylabel=Ymain;
+ }
+ }
+
+#ifdef WITH_PIECHART
+ if (piechart) {
+ im->piesize=im->xsize<im->ysize?im->xsize:im->ysize;
+ Xpie=im->piesize;
+ Ypie=im->piesize;
+ }
+#endif
+
+ /* Now calculate the total size. Insert some spacing where
+ desired. im->xorigin and im->yorigin need to correspond
+ with the lower left corner of the main graph area or, if
+ this one is not set, the imaginary box surrounding the
+ pie chart area. */
+
+ /* The legend width cannot yet be determined, as a result we
+ ** have problems adjusting the image to it. For now, we just
+ ** forget about it at all; the legend will have to fit in the
+ ** size already allocated.
+ */
+ im->ximg = Xylabel + Xmain + 2 * Xspacing;
+
+#ifdef WITH_PIECHART
+ im->ximg += Xpie;
+#endif
+
+ if (Xmain) im->ximg += Xspacing;
+#ifdef WITH_PIECHART
+ if (Xpie) im->ximg += Xspacing;
+#endif
+
+ im->xorigin = Xspacing + Xylabel;
+
+ if (Xtitle > im->ximg) im->ximg = Xtitle;
+
+ if (Xvertical) { /* unit description */
+ im->ximg += Xvertical;
+ im->xorigin += Xvertical;
+ }
+ xtr(im,0);
+
+ /* The vertical size is interesting... we need to compare
+ ** the sum of {Ytitle, Ymain, Yxlabel, Ylegend} with Yvertical
+ ** however we need to know {Ytitle+Ymain+Yxlabel} in order to
+ ** start even thinking about Ylegend.
+ **
+ ** Do it in three portions: First calculate the inner part,
+ ** then do the legend, then adjust the total height of the img.
+ */
+
+ /* reserve space for main and/or pie */
+
+ im->yimg = Ymain + Yxlabel;
+
+#ifdef WITH_PIECHART
+ if (im->yimg < Ypie) im->yimg = Ypie;
+#endif
+
+ im->yorigin = im->yimg - Yxlabel;
+
+ /* reserve space for the title *or* some padding above the graph */
+ if (Ytitle) {
+ im->yimg += Ytitle;
+ im->yorigin += Ytitle;
+ } else {
+ im->yimg += Yspacing;
+ im->yorigin += Yspacing;
+ }
+ /* reserve space for padding below the graph */
+ im->yimg += Yspacing;
+ ytr(im,DNAN);
+
+ /* Determine where to place the legends onto the image.
+ ** Adjust im->yimg to match the space requirements.
+ */
+ if(leg_place(im)==-1)
+ return -1;
+
+ /* last of three steps: check total height of image */
+ if (im->yimg < Yvertical) im->yimg = Yvertical;
+
+#if 0
+ if (Xlegend > im->ximg) {
+ im->ximg = Xlegend;
+ /* reposition Pie */
+ }
+#endif
+
+#ifdef WITH_PIECHART
+ /* The pie is placed in the upper right hand corner,
+ ** just below the title (if any) and with sufficient
+ ** padding.
+ */
+ if (elements) {
+ im->pie_x = im->ximg - Xspacing - Xpie/2;
+ im->pie_y = im->yorigin-Ymain+Ypie/2;
+ } else {
+ im->pie_x = im->ximg/2;
+ im->pie_y = im->yorigin-Ypie/2;
+ }
+#endif
+
+ return 0;
+}
/* draw that picture thing ... */
int
{
int i,ii;
int lazy = lazy_check(im);
- int piechart = 0, PieSize, PieCenterX, PieCenterY;
+#ifdef WITH_PIECHART
+ int piechart = 0;
double PieStart=0.0;
+#endif
FILE *fo;
- gfx_canvas_t *canvas;
gfx_node_t *node;
double areazero = 0.0;
enum gf_en stack_gf = GF_PRINT;
graph_desc_t *lastgdes = NULL;
-
+
/* if we are lazy and there is nothing to PRINT ... quit now */
if (lazy && im->prt_c==0) return 0;
-
+
/* pull the data from the rrd files ... */
if(data_fetch(im)==-1)
return -1;
-
+
/* evaluate VDEF and CDEF operations ... */
if(data_calc(im)==-1)
return -1;
-
+
+#ifdef WITH_PIECHART
+ /* check if we need to draw a piechart */
+ for(i=0;i<im->gdes_c;i++){
+ if (im->gdes[i].gf == GF_PART) {
+ piechart=1;
+ break;
+ }
+ }
+#endif
+
/* calculate and PRINT and GPRINT definitions. We have to do it at
* this point because it will affect the length of the legends
* if there are no graph elements we stop here ...
*/
i=print_calc(im,calcpr);
if(i<0) return -1;
- if(i==0 || lazy) return 0;
+ if(((i==0)
+#ifdef WITH_PIECHART
+&&(piechart==0)
+#endif
+) || lazy) return 0;
+
+#ifdef WITH_PIECHART
+ /* If there's only the pie chart to draw, signal this */
+ if (i==0) piechart=2;
+#endif
/* get actual drawing data and find min and max values*/
if(data_proc(im)==-1)
if(!im->rigid && ! im->logarithmic)
expand_range(im); /* make sure the upper and lower limit are
sensible values */
-
- /* init xtr and ytr */
- /* determine the actual size of the gif to draw. The size given
- on the cmdline is the graph area. But we need more as we have
- draw labels and other things outside the graph area */
-
-
- im->xorigin = 10 + 9 * im->text_prop[TEXT_PROP_LEGEND].size;
-
- xtr(im,0);
-
- im->yorigin = 10 + im->ysize;
- ytr(im,DNAN);
-
- if(im->title[0] != '\0')
- im->yorigin += im->text_prop[TEXT_PROP_TITLE].size*3+4;
-
- im->xgif= 20 +im->xsize + im->xorigin;
- im->ygif= im->yorigin+2* im->text_prop[TEXT_PROP_LEGEND].size;
+ if (!calc_horizontal_grid(im))
+ return -1;
- /* check if we need to draw a piechart */
- for(i=0;i<im->gdes_c;i++){
- if (im->gdes[i].gf == GF_PART) {
- piechart=1;
- break;
- }
- }
+ if (im->gridfit)
+ apply_gridfit(im);
- if (piechart) {
- if (im->xsize < im->ysize)
- PieSize = im->xsize;
- else
- PieSize = im->ysize;
- im->xgif += PieSize + 50;
- PieCenterX = im->xorigin + im->xsize + 50 + PieSize/2;
- PieCenterY = im->yorigin - PieSize/2;
- }
-
- /* determine where to place the legends onto the graphics.
- and set im->ygif to match space requirements for text */
- if(leg_place(im)==-1)
+/**************************************************************
+ *** Calculating sizes and locations became a bit confusing ***
+ *** so I moved this into a separate function. ***
+ **************************************************************/
+ if(graph_size_location(im,i
+#ifdef WITH_PIECHART
+,piechart
+#endif
+)==-1)
return -1;
- canvas=gfx_new_canvas();
-
/* the actual graph is created by going through the individual
graph elements and then drawing them */
- node=gfx_new_area ( canvas,
+ node=gfx_new_area ( im->canvas,
0, 0,
- im->xgif, 0,
- im->xgif, im->ygif,
+ im->ximg, 0,
+ im->ximg, im->yimg,
im->graph_col[GRC_BACK]);
- gfx_add_point(node,0, im->ygif);
+ gfx_add_point(node,0, im->yimg);
- node=gfx_new_area ( canvas,
+#ifdef WITH_PIECHART
+ if (piechart != 2) {
+#endif
+ node=gfx_new_area ( im->canvas,
im->xorigin, im->yorigin,
im->xorigin + im->xsize, im->yorigin,
im->xorigin + im->xsize, im->yorigin-im->ysize,
im->graph_col[GRC_CANVAS]);
- gfx_add_point(node,im->xorigin, im->yorigin - im->ysize);
+ gfx_add_point(node,im->xorigin, im->yorigin - im->ysize);
+
+ if (im->minval > 0.0)
+ areazero = im->minval;
+ if (im->maxval < 0.0)
+ areazero = im->maxval;
+#ifdef WITH_PIECHART
+ }
+#endif
+#ifdef WITH_PIECHART
if (piechart) {
- node=gfx_new_area ( canvas,
- im->xorigin + im->xsize + 50, im->yorigin,
- im->xorigin + im->xsize + 50 + PieSize, im->yorigin,
- im->xorigin + im->xsize + 50 + PieSize, im->yorigin - PieSize,
- im->graph_col[GRC_CANVAS]);
- gfx_add_point(node,im->xorigin+im->xsize+50, im->yorigin - PieSize);
+ pie_part(im,im->graph_col[GRC_CANVAS],im->pie_x,im->pie_y,im->piesize*0.5,0,2*M_PI);
}
-
- if (im->minval > 0.0)
- areazero = im->minval;
- if (im->maxval < 0.0)
- areazero = im->maxval;
-
- axis_paint(im,canvas);
-
+#endif
for(i=0;i<im->gdes_c;i++){
switch(im->gdes[i].gf){
case GF_COMMENT:
case GF_HRULE:
case GF_VRULE:
+ case GF_XPORT:
+ case GF_SHIFT:
break;
case GF_TICK:
for (ii = 0; ii < im->xsize; ii++)
im->gdes[i].p_data[ii] > 0.0)
{
/* generate a tick */
- gfx_new_line(canvas, im -> xorigin + ii,
+ gfx_new_line(im->canvas, im -> xorigin + ii,
im -> yorigin - (im -> gdes[i].yrule * im -> ysize),
im -> xorigin + ii,
im -> yorigin,
}
} /* for */
-
- if (im->gdes[i].col != 0x0){
+
+ /* *******************************************************
+ ___
+ | | ___
+ ____| | | |
+ | |___|
+ -------|---------------------------------------
+
+ if we know the value of y at time t was a then
+ we draw a square from t-1 to t with the value a.
+
+ ********************************************************* */
+ if (im->gdes[i].col != 0x0){
/* GF_LINE and friend */
if(stack_gf == GF_LINE ){
node = NULL;
for(ii=1;ii<im->xsize;ii++){
- if ( ! isnan(im->gdes[i].p_data[ii-1])
- && ! isnan(im->gdes[i].p_data[ii])){
- if (node == NULL){
- node = gfx_new_line(canvas,
- ii-1+im->xorigin,ytr(im,im->gdes[i].p_data[ii-1]),
+ if (isnan(im->gdes[i].p_data[ii])){
+ node = NULL;
+ continue;
+ }
+ if ( node == NULL ) {
+ node = gfx_new_line(im->canvas,
+ ii-1+im->xorigin,ytr(im,im->gdes[i].p_data[ii]),
ii+im->xorigin,ytr(im,im->gdes[i].p_data[ii]),
im->gdes[i].linewidth,
im->gdes[i].col);
- } else {
- gfx_add_point(node,ii+im->xorigin,ytr(im,im->gdes[i].p_data[ii]));
- }
- } else {
- node = NULL;
- }
+ } else {
+ gfx_add_point(node,ii-1+im->xorigin,ytr(im,im->gdes[i].p_data[ii]));
+ gfx_add_point(node,ii+im->xorigin,ytr(im,im->gdes[i].p_data[ii]));
+ };
+
}
} else {
- int area_start=-1;
- node = NULL;
for(ii=1;ii<im->xsize;ii++){
- /* open an area */
- if ( ! isnan(im->gdes[i].p_data[ii-1])
- && ! isnan(im->gdes[i].p_data[ii])){
- if (node == NULL){
- float ybase = 0.0;
- if (im->gdes[i].gf == GF_STACK) {
- ybase = ytr(im,lastgdes->p_data[ii-1]);
- } else {
- ybase = ytr(im,areazero);
- }
- area_start = ii-1;
- node = gfx_new_area(canvas,
- ii-1+im->xorigin,ybase,
- ii-1+im->xorigin,ytr(im,im->gdes[i].p_data[ii-1]),
- ii+im->xorigin,ytr(im,im->gdes[i].p_data[ii]),
- im->gdes[i].col
- );
- } else {
- gfx_add_point(node,ii+im->xorigin,ytr(im,im->gdes[i].p_data[ii]));
- }
+ /* keep things simple for now, just draw these bars
+ do not try to build a big and complex area */
+ float ybase;
+ if ( isnan(im->gdes[i].p_data[ii]) ) {
+ continue;
+ }
+ if ( im->gdes[i].stack ) {
+ ybase = ytr(im,lastgdes->p_data[ii]);
+ } else {
+ ybase = ytr(im,areazero);
}
-
- if ( node != NULL && (ii+1==im->xsize || isnan(im->gdes[i].p_data[ii]) )){
- /* GF_AREA STACK type*/
- if (im->gdes[i].gf == GF_STACK ) {
- int iii;
- for (iii=ii-1;iii>area_start;iii--){
- gfx_add_point(node,iii+im->xorigin,ytr(im,lastgdes->p_data[iii]));
- }
- } else {
- gfx_add_point(node,ii+im->xorigin,ytr(im,areazero));
- };
- node=NULL;
- };
+ if ( ybase == im->gdes[i].p_data[ii] ){
+ continue;
+ }
+ node = gfx_new_area(im->canvas,
+ ii-1+im->xorigin,ybase,
+ ii-1+im->xorigin,ytr(im,im->gdes[i].p_data[ii]),
+ ii+im->xorigin,ytr(im,im->gdes[i].p_data[ii]),
+ im->gdes[i].col
+ );
+ gfx_add_point(node,ii+im->xorigin,ybase);
}
} /* else GF_LINE */
} /* if color != 0x0 */
/* make sure we do not run into trouble when stacking on NaN */
for(ii=0;ii<im->xsize;ii++){
if (isnan(im->gdes[i].p_data[ii])) {
- double ybase = 0.0;
- if (lastgdes) {
- ybase = ytr(im,lastgdes->p_data[ii-1]);
- };
- if (isnan(ybase) || !lastgdes ){
- ybase = ytr(im,areazero);
+ if (lastgdes && (im->gdes[i].stack)) {
+ im->gdes[i].p_data[ii] = lastgdes->p_data[ii];
+ } else {
+ im->gdes[i].p_data[ii] = ytr(im,areazero);
}
- im->gdes[i].p_data[ii] = ybase;
}
}
lastgdes = &(im->gdes[i]);
break;
- case GF_PART: {
- int x,y , counter;
- double d1,d2,d3,d4;
-
- /* This probably is not the most efficient algorithm...
- ** If you know how to help, please do!
- **
- ** If you change this routine be aware that I optimized
- ** the following algorithm:
- **
- ** Full circle == 100
- ** relative X-position is sin(2*pi * position/100)
- ** relative Y-position is cos(2*pi * position/100)
- **
- ** Position is incremented from start to end in a number
- ** of steps. This number of steps corresponds with the
- ** size of the pie canvas, each step being 1/PieSize.
- */
-
+#ifdef WITH_PIECHART
+ case GF_PART:
if(isnan(im->gdes[i].yrule)) /* fetch variable */
im->gdes[i].yrule = im->gdes[im->gdes[i].vidx].vf.val;
- if (finite(im->gdes[i].yrule)) {
- d1 = 2 * M_PI / 100;
- d2 = im->gdes[i].yrule / PieSize;
- d3 = PieSize/2;
-
- for (counter=0;counter<=PieSize;counter++) {
- d4 = d1 * (PieStart + d2 * counter);
- x=sin(d4) * d3;
- y=cos(d4) * d3;
-
- gfx_new_line(canvas,
- PieCenterX,PieCenterY ,
- PieCenterX+x,PieCenterY-y,
- 1.0,
- im->gdes[i].col);
- }
- PieStart += im->gdes[i].yrule;
+ if (finite(im->gdes[i].yrule)) { /* even the fetched var can be NaN */
+ pie_part(im,im->gdes[i].col,
+ im->pie_x,im->pie_y,im->piesize*0.4,
+ M_PI*2.0*PieStart/100.0,
+ M_PI*2.0*(PieStart+im->gdes[i].yrule)/100.0);
+ PieStart += im->gdes[i].yrule;
}
break;
- } /* GF_PART */
+#endif
+
} /* switch */
}
- grid_paint(im,canvas);
+#ifdef WITH_PIECHART
+ if (piechart==2) {
+ im->draw_x_grid=0;
+ im->draw_y_grid=0;
+ }
+#endif
+
+ if( !(im->extra_flags & ONLY_GRAPH) )
+ axis_paint(im);
+
+ /* grid_paint also does the text */
+ if( !(im->extra_flags & ONLY_GRAPH) )
+ grid_paint(im);
/* the RULES are the last thing to paint ... */
for(i=0;i<im->gdes_c;i++){
};
if(im->gdes[i].yrule >= im->minval
&& im->gdes[i].yrule <= im->maxval)
- gfx_new_line(canvas,
+ gfx_new_line(im->canvas,
im->xorigin,ytr(im,im->gdes[i].yrule),
im->xorigin+im->xsize,ytr(im,im->gdes[i].yrule),
1.0,im->gdes[i].col);
};
if(im->gdes[i].xrule >= im->start
&& im->gdes[i].xrule <= im->end)
- gfx_new_line(canvas,
+ gfx_new_line(im->canvas,
xtr(im,im->gdes[i].xrule),im->yorigin,
xtr(im,im->gdes[i].xrule),im->yorigin-im->ysize,
1.0,im->gdes[i].col);
if (strcmp(im->graphfile,"-")==0) {
-#ifdef WIN32
+ fo = im->graphhandle ? im->graphhandle : stdout;
+#if defined(WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
/* Change translation mode for stdout to BINARY */
- _setmode( _fileno( stdout ), O_BINARY );
+ _setmode( _fileno( fo ), O_BINARY );
#endif
- fo = stdout;
} else {
if ((fo = fopen(im->graphfile,"wb")) == NULL) {
rrd_set_error("Opening '%s' for write: %s",im->graphfile,
- strerror(errno));
+ rrd_strerror(errno));
return (-1);
}
}
- switch (im->imgformat) {
- case IF_GIF:
- break;
- case IF_PNG:
- gfx_render_png (canvas,im->xgif,im->ygif,im->zoom,0x0,fo);
- break;
- }
+ gfx_render (im->canvas,im->ximg,im->yimg,0x0,fo);
if (strcmp(im->graphfile,"-") != 0)
fclose(fo);
-
- gfx_destroy(canvas);
return 0;
}
int
gdes_alloc(image_desc_t *im){
- long def_step = (im->end-im->start)/im->xsize;
-
- if (im->step > def_step) /* step can be increassed ... no decreassed */
- def_step = im->step;
-
im->gdes_c++;
-
if ((im->gdes = (graph_desc_t *) rrd_realloc(im->gdes, (im->gdes_c)
* sizeof(graph_desc_t)))==NULL){
rrd_set_error("realloc graph_descs");
}
- im->gdes[im->gdes_c-1].step=def_step;
+ im->gdes[im->gdes_c-1].step=im->step;
+ im->gdes[im->gdes_c-1].stack=0;
+ im->gdes[im->gdes_c-1].debug=0;
im->gdes[im->gdes_c-1].start=im->start;
im->gdes[im->gdes_c-1].end=im->end;
im->gdes[im->gdes_c-1].vname[0]='\0';
im->gdes[im->gdes_c-1].data_first=0;
im->gdes[im->gdes_c-1].p_data=NULL;
im->gdes[im->gdes_c-1].rpnp=NULL;
+ im->gdes[im->gdes_c-1].shift=0;
im->gdes[im->gdes_c-1].col = 0x0;
im->gdes[im->gdes_c-1].legend[0]='\0';
+ im->gdes[im->gdes_c-1].format[0]='\0';
im->gdes[im->gdes_c-1].rrd[0]='\0';
im->gdes[im->gdes_c-1].ds=-1;
im->gdes[im->gdes_c-1].p_data=NULL;
+ im->gdes[im->gdes_c-1].yrule=DNAN;
+ im->gdes[im->gdes_c-1].xrule=0;
return 0;
}
output[outp] = '\0';
return inp;
}
-
/* Some surgery done on this function, it became ridiculously big.
** Things moved:
** - initializing now in rrd_graph_init()
** - script parsing now in rrd_graph_script()
*/
int
-rrd_graph(int argc, char **argv, char ***prdata, int *xsize, int *ysize)
+rrd_graph(int argc, char **argv, char ***prdata, int *xsize, int *ysize, FILE *stream, double *ymin, double *ymax)
{
image_desc_t im;
-
+
rrd_graph_init(&im);
-
+ im.graphhandle = stream;
+
rrd_graph_options(argc,argv,&im);
- if (rrd_test_error()) return -1;
+ if (rrd_test_error()) {
+ im_free(&im);
+ return -1;
+ }
if (strlen(argv[optind])>=MAXPATH) {
rrd_set_error("filename (including path) too long");
+ im_free(&im);
return -1;
}
strncpy(im.graphfile,argv[optind],MAXPATH-1);
im.graphfile[MAXPATH-1]='\0';
- rrd_graph_script(argc,argv,&im);
- if (rrd_test_error()) return -1;
+ rrd_graph_script(argc,argv,&im,1);
+ if (rrd_test_error()) {
+ im_free(&im);
+ return -1;
+ }
/* Everything is now read and the actual work can start */
** Also, if needed, print a line with information about the image.
*/
- *xsize=im.xgif;
- *ysize=im.ygif;
+ *xsize=im.ximg;
+ *ysize=im.yimg;
+ *ymin=im.minval;
+ *ymax=im.maxval;
if (im.imginfo) {
char *filename;
if (!(*prdata)) {
filename--;
}
- sprintf((*prdata)[0],im.imginfo,filename,(long)(im.zoom*im.xgif),(long)(im.zoom*im.ygif));
+ sprintf((*prdata)[0],im.imginfo,filename,(long)(im.canvas->zoom*im.ximg),(long)(im.canvas->zoom*im.yimg));
}
im_free(&im);
return 0;
void
rrd_graph_init(image_desc_t *im)
{
- int i;
+ unsigned int i;
+
+#ifdef HAVE_TZSET
+ tzset();
+#endif
+#ifdef HAVE_SETLOCALE
+ setlocale(LC_TIME,"");
+#endif
im->xlab_user.minsec = -1;
- im->xgif=0;
- im->ygif=0;
+ im->ximg=0;
+ im->yimg=0;
im->xsize = 400;
im->ysize = 100;
im->step = 0;
im->title[0] = '\0';
im->minval = DNAN;
im->maxval = DNAN;
- im->interlaced = 0;
im->unitsexponent= 9999;
im->extra_flags= 0;
im->rigid = 0;
+ im->gridfit = 1;
im->imginfo = NULL;
im->lazy = 0;
im->logarithmic = 0;
im->prt_c = 0;
im->gdes_c = 0;
im->gdes = NULL;
- im->zoom = 1.0;
- im->imgformat = IF_GIF; /* we default to GIF output */
-
+ im->canvas = gfx_new_canvas();
+ im->grid_dash_on = 1;
+ im->grid_dash_off = 1;
+ im->tabwidth = 40.0;
+
for(i=0;i<DIM(graph_col);i++)
im->graph_col[i]=graph_col[i];
+#if defined(WIN32) && !defined(__CYGWIN__) && !defined(__CYGWIN32__)
+ {
+ char *windir;
+ char rrd_win_default_font[1000];
+ windir = getenv("windir");
+ /* %windir% is something like D:\windows or C:\winnt */
+ if (windir != NULL) {
+ strncpy(rrd_win_default_font,windir,999);
+ rrd_win_default_font[999] = '\0';
+ strcat(rrd_win_default_font,"\\fonts\\cour.ttf");
+ for(i=0;i<DIM(text_prop);i++){
+ strncpy(text_prop[i].font,rrd_win_default_font,sizeof(text_prop[i].font)-1);
+ text_prop[i].font[sizeof(text_prop[i].font)-1] = '\0';
+ }
+ }
+#endif
+ {
+ char *deffont;
+ deffont = getenv("RRD_DEFAULT_FONT");
+ /* %windir% is something like D:\windows or C:\winnt */
+ if (deffont != NULL) {
+ for(i=0;i<DIM(text_prop);i++){
+ strncpy(text_prop[i].font,deffont,sizeof(text_prop[i].font)-1);
+ text_prop[i].font[sizeof(text_prop[i].font)-1] = '\0';
+ }
+ }
+ }
for(i=0;i<DIM(text_prop);i++){
im->text_prop[i].size = text_prop[i].size;
- im->text_prop[i].font = text_prop[i].font;
+ strcpy(im->text_prop[i].font,text_prop[i].font);
}
}
char scan_gtm[12],scan_mtm[12],scan_ltm[12],col_nam[12];
time_t start_tmp=0,end_tmp=0;
long long_tmp;
- struct time_value start_tv, end_tv;
+ struct rrd_time_value start_tv, end_tv;
gfx_color_t color;
parsetime("end-24h", &start_tv);
{"lazy", no_argument, 0, 'z'},
{"zoom", required_argument, 0, 'm'},
{"no-legend", no_argument, 0, 'g'},
- {"alt-y-grid", no_argument, 0, 257 },
- {"alt-autoscale", no_argument, 0, 258 },
- {"alt-autoscale-max", no_argument, 0, 259 },
- {"units-exponent",required_argument, 0, 260},
- {"step", required_argument, 0, 261},
+ {"force-rules-legend",no_argument,0, 'F'},
+ {"only-graph", no_argument, 0, 'j'},
+ {"alt-y-grid", no_argument, 0, 'Y'},
+ {"no-minor", no_argument, 0, 'I'},
+ {"alt-autoscale", no_argument, 0, 'A'},
+ {"alt-autoscale-max", no_argument, 0, 'M'},
+ {"units-exponent",required_argument, 0, 'X'},
+ {"step", required_argument, 0, 'S'},
+ {"tabwidth", required_argument, 0, 'T'},
+ {"no-gridfit", no_argument, 0, 'N'},
{0,0,0,0}};
int option_index = 0;
int opt;
-
+ int col_start,col_end;
opt = getopt_long(argc, argv,
- "s:e:x:y:v:w:h:iu:l:rb:oc:n:m:t:f:a:z:g",
+ "s:e:x:y:v:w:h:iu:l:rb:oc:n:m:t:f:a:I:zgjFYAMX:S:NT:",
long_options, &option_index);
if (opt == EOF)
break;
switch(opt) {
- case 257:
+ case 'I':
+ im->extra_flags |= NOMINOR;
+ break;
+ case 'Y':
im->extra_flags |= ALTYGRID;
break;
- case 258:
+ case 'A':
im->extra_flags |= ALTAUTOSCALE;
break;
- case 259:
+ case 'M':
im->extra_flags |= ALTAUTOSCALE_MAX;
break;
+ case 'j':
+ im->extra_flags |= ONLY_GRAPH;
+ break;
case 'g':
im->extra_flags |= NOLEGEND;
break;
- case 260:
+ case 'F':
+ im->extra_flags |= FORCE_RULES_LEGEND;
+ break;
+ case 'X':
im->unitsexponent = atoi(optarg);
break;
- case 261:
+ case 'T':
+ im->tabwidth = atof(optarg);
+ break;
+ case 'S':
im->step = atoi(optarg);
break;
+ case 262:
+ im->gridfit = 0;
+ break;
case 's':
if ((parsetime_error = parsetime(optarg, &start_tv))) {
rrd_set_error( "start time: %s", parsetime_error );
&im->xlab_user.precis,
&stroff) == 7 && stroff != 0){
strncpy(im->xlab_form, optarg+stroff, sizeof(im->xlab_form) - 1);
- if((im->xlab_user.gridtm = tmt_conv(scan_gtm)) == -1){
+ im->xlab_form[sizeof(im->xlab_form)-1] = '\0';
+ if((int)(im->xlab_user.gridtm = tmt_conv(scan_gtm)) == -1){
rrd_set_error("unknown keyword %s",scan_gtm);
return;
- } else if ((im->xlab_user.mgridtm = tmt_conv(scan_mtm)) == -1){
+ } else if ((int)(im->xlab_user.mgridtm = tmt_conv(scan_mtm)) == -1){
rrd_set_error("unknown keyword %s",scan_mtm);
return;
- } else if ((im->xlab_user.labtm = tmt_conv(scan_ltm)) == -1){
+ } else if ((int)(im->xlab_user.labtm = tmt_conv(scan_ltm)) == -1){
rrd_set_error("unknown keyword %s",scan_ltm);
return;
}
im->ysize = long_tmp;
break;
case 'i':
- im->interlaced = 1;
+ im->canvas->interlaced = 1;
break;
case 'r':
im->rigid = 1;
im->imginfo = optarg;
break;
case 'a':
- if((im->imgformat = if_conv(optarg)) == -1) {
+ if((int)(im->canvas->imgformat = if_conv(optarg)) == -1) {
rrd_set_error("unsupported graphics format '%s'",optarg);
return;
}
break;
case 'c':
if(sscanf(optarg,
- "%10[A-Z]#%8x",
- col_nam,&color) == 2){
+ "%10[A-Z]#%n%8lx%n",
+ col_nam,&col_start,&color,&col_end) == 2){
int ci;
+ int col_len = col_end - col_start;
+ switch (col_len){
+ case 6:
+ color = (color << 8) + 0xff /* shift left by 8 */;
+ break;
+ case 8:
+ break;
+ default:
+ rrd_set_error("the color format is #RRGGBB[AA]");
+ return;
+ }
if((ci=grc_conv(col_nam)) != -1){
im->graph_col[ci]=color;
} else {
rrd_set_error("invalid color name '%s'",col_nam);
+ return;
}
} else {
rrd_set_error("invalid color def format");
- return -1;
+ return;
}
break;
case 'n':{
- /* originally this used char *prop = "" and
- ** char *font = "dummy" however this results
- ** in a SEG fault, at least on RH7.1
- **
- ** The current implementation isn't proper
- ** either, font is never freed and prop uses
- ** a fixed width string
- */
- char prop[100];
+ char prop[15];
double size = 1;
- char *font;
+ char font[1024];
- font=malloc(255);
if(sscanf(optarg,
- "%10[A-Z]:%lf:%s",
+ "%10[A-Z]:%lf:%1000s",
prop,&size,font) == 3){
int sindex;
if((sindex=text_prop_conv(prop)) != -1){
im->text_prop[sindex].size=size;
- im->text_prop[sindex].font=font;
+ strcpy(im->text_prop[sindex].font,font);
if (sindex==0) { /* the default */
im->text_prop[TEXT_PROP_TITLE].size=size;
- im->text_prop[TEXT_PROP_TITLE].font=font;
+ strcpy(im->text_prop[TEXT_PROP_TITLE].font,font);
im->text_prop[TEXT_PROP_AXIS].size=size;
- im->text_prop[TEXT_PROP_AXIS].font=font;
+ strcpy(im->text_prop[TEXT_PROP_AXIS].font,font);
im->text_prop[TEXT_PROP_UNIT].size=size;
- im->text_prop[TEXT_PROP_UNIT].font=font;
+ strcpy(im->text_prop[TEXT_PROP_UNIT].font,font);
im->text_prop[TEXT_PROP_LEGEND].size=size;
- im->text_prop[TEXT_PROP_LEGEND].font=font;
+ strcpy(im->text_prop[TEXT_PROP_LEGEND].font,font);
}
} else {
rrd_set_error("invalid fonttag '%s'",prop);
break;
}
case 'm':
- im->zoom= atof(optarg);
- if (im->zoom <= 0.0) {
+ im->canvas->zoom = atof(optarg);
+ if (im->canvas->zoom <= 0.0) {
rrd_set_error("zoom factor must be > 0");
return;
}
im->start = start_tmp;
im->end = end_tmp;
+ im->step = max((long)im->step, (im->end-im->start)/im->xsize);
}
-void
-rrd_graph_script(int argc, char *argv[], image_desc_t *im)
-{
- int i;
- char symname[100];
- int linepass = 0; /* stack must follow LINE*, AREA or STACK */
-
- for (i=optind+1;i<argc;i++) {
- int argstart=0;
- int strstart=0;
- graph_desc_t *gdp;
- char *line;
- char funcname[10],vname[MAX_VNAME_LEN+1],sep[1];
- double d;
- double linewidth;
- int j,k,l,m;
-
- /* Each command is one element from *argv[], we call this "line".
- **
- ** Each command defines the most current gdes inside struct im.
- ** In stead of typing "im->gdes[im->gdes_c-1]" we use "gdp".
- */
- gdes_alloc(im);
- gdp=&im->gdes[im->gdes_c-1];
- line=argv[i];
-
- /* function:newvname=string[:ds-name:CF] for xDEF
- ** function:vname[#color[:string]] for LINEx,AREA,STACK
- ** function:vname#color[:num[:string]] for TICK
- ** function:vname-or-num#color[:string] for xRULE,PART
- ** function:vname:CF:string for xPRINT
- ** function:string for COMMENT
- */
- argstart=0;
-
- sscanf(line, "%10[A-Z0-9]:%n", funcname,&argstart);
- if (argstart==0) {
- rrd_set_error("Cannot parse function in line: %s",line);
- im_free(im);
- return;
- }
- if(sscanf(funcname,"LINE%lf",&linewidth)){
- im->gdes[im->gdes_c-1].gf = GF_LINE;
- im->gdes[im->gdes_c-1].linewidth = linewidth;
- } else {
- if ((gdp->gf=gf_conv(funcname))==-1) {
- rrd_set_error("'%s' is not a valid function name",funcname);
- im_free(im);
- return;
- }
- }
-
- /* If the error string is set, we exit at the end of the switch */
- switch (gdp->gf) {
- case GF_COMMENT:
- if (rrd_graph_legend(gdp,&line[argstart])==0)
- rrd_set_error("Cannot parse comment in line: %s",line);
- break;
- case GF_PART:
- case GF_VRULE:
- case GF_HRULE:
- j=k=l=m=0;
- sscanf(&line[argstart], "%lf%n#%n", &d, &j, &k);
- sscanf(&line[argstart], DEF_NAM_FMT "%n#%n", vname, &l, &m);
- if (k+m==0) {
- rrd_set_error("Cannot parse name or num in line: %s",line);
- break;
- }
- if (j!=0) {
- gdp->xrule=d;
- gdp->yrule=d;
- argstart+=j;
- } else if (!rrd_graph_check_vname(im,vname,line)) {
- gdp->xrule=0;
- gdp->yrule=DNAN;
- argstart+=l;
- } else break; /* exit due to wrong vname */
- if ((j=rrd_graph_color(im,&line[argstart],line,0))==0) break;
- argstart+=j;
- if (strlen(&line[argstart])!=0) {
- if (rrd_graph_legend(gdp,&line[++argstart])==0)
- rrd_set_error("Cannot parse comment in line: %s",line);
- }
- break;
- case GF_STACK:
- if (linepass==0) {
- rrd_set_error("STACK must follow another graphing element");
- break;
- }
- case GF_LINE:
- case GF_AREA:
- case GF_TICK:
- j=k=0;
- linepass=1;
- sscanf(&line[argstart],DEF_NAM_FMT"%n%1[#:]%n",vname,&j,sep,&k);
- if (j+1!=k)
- rrd_set_error("Cannot parse vname in line: %s",line);
- else if (rrd_graph_check_vname(im,vname,line))
- rrd_set_error("Undefined vname '%s' in line: %s",line);
- else
- k=rrd_graph_color(im,&line[argstart],line,1);
- if (rrd_test_error()) break;
- argstart=argstart+j+k;
- if ((strlen(&line[argstart])!=0)&&(gdp->gf==GF_TICK)) {
- j=0;
- sscanf(&line[argstart], ":%lf%n", &gdp->yrule,&j);
- argstart+=j;
- }
- if (strlen(&line[argstart])!=0)
- if (rrd_graph_legend(gdp,&line[++argstart])==0)
- rrd_set_error("Cannot parse legend in line: %s",line);
- break;
- case GF_PRINT:
- im->prt_c++;
- case GF_GPRINT:
- j=0;
- sscanf(&line[argstart], DEF_NAM_FMT ":%n",gdp->vname,&j);
- if (j==0) {
- rrd_set_error("Cannot parse vname in line: '%s'",line);
- break;
- }
- argstart+=j;
- if (rrd_graph_check_vname(im,gdp->vname,line)) return;
- j=0;
- sscanf(&line[argstart], CF_NAM_FMT ":%n",symname,&j);
-
- k=(j!=0)?rrd_graph_check_CF(im,symname,line):1;
-#define VIDX im->gdes[gdp->vidx]
- switch (k) {
- case -1: /* looks CF but is not really CF */
- if (VIDX.gf == GF_VDEF) rrd_clear_error();
- break;
- case 0: /* CF present and correct */
- if (VIDX.gf == GF_VDEF)
- rrd_set_error("Don't use CF when printing VDEF");
- argstart+=j;
- break;
- case 1: /* CF not present */
- if (VIDX.gf == GF_VDEF) rrd_clear_error();
- else rrd_set_error("Printing DEF or CDEF needs CF");
- break;
- default:
- rrd_set_error("Oops, bug in GPRINT scanning");
- }
-#undef VIDX
- if (rrd_test_error()) break;
-
- if (strlen(&line[argstart])!=0) {
- if (rrd_graph_legend(gdp,&line[argstart])==0)
- rrd_set_error("Cannot parse legend in line: %s",line);
- } else rrd_set_error("No legend in (G)PRINT line: %s",line);
- strcpy(gdp->format, gdp->legend);
- break;
- case GF_DEF:
- case GF_VDEF:
- case GF_CDEF:
- j=0;
- sscanf(&line[argstart], DEF_NAM_FMT "=%n",gdp->vname,&j);
- if (j==0) {
- rrd_set_error("Could not parse line: %s",line);
- break;
- }
- if (find_var(im,gdp->vname)!=-1) {
- rrd_set_error("Variable '%s' in line '%s' already in use\n",
- gdp->vname,line);
- break;
- }
- argstart+=j;
- switch (gdp->gf) {
- case GF_DEF:
- argstart+=scan_for_col(&line[argstart],MAXPATH,gdp->rrd);
- j=k=0;
- sscanf(&line[argstart],
- ":" DS_NAM_FMT ":" CF_NAM_FMT "%n%*s%n",
- gdp->ds_nam, symname, &j, &k);
- if ((j==0)||(k!=0)) {
- rrd_set_error("Cannot parse DS or CF in '%s'",line);
- break;
- }
- rrd_graph_check_CF(im,symname,line);
- break;
- case GF_VDEF:
- j=0;
- sscanf(&line[argstart],DEF_NAM_FMT ",%n",vname,&j);
- if (j==0) {
- rrd_set_error("Cannot parse vname in line '%s'",line);
- break;
- }
- argstart+=j;
- if (rrd_graph_check_vname(im,vname,line)) return;
- if ( im->gdes[gdp->vidx].gf != GF_DEF
- && im->gdes[gdp->vidx].gf != GF_CDEF) {
- rrd_set_error("variable '%s' not DEF nor "
- "CDEF in VDEF '%s'", vname,gdp->vname);
- break;
- }
- vdef_parse(gdp,&line[argstart+strstart]);
- break;
- case GF_CDEF:
- if (strstr(&line[argstart],":")!=NULL) {
- rrd_set_error("Error in RPN, line: %s",line);
- break;
- }
- if ((gdp->rpnp = rpn_parse(
- (void *)im,
- &line[argstart],
- &find_var_wrapper)
- )==NULL)
- rrd_set_error("invalid rpn expression in: %s",line);
- break;
- default: break;
- }
- break;
- default: rrd_set_error("Big oops");
- }
- if (rrd_test_error()) {
- im_free(im);
- return;
- }
- }
-
- if (im->gdes_c==0){
- rrd_set_error("can't make a graph without contents");
- im_free(im); /* ??? is this set ??? */
- return;
- }
-}
int
rrd_graph_check_vname(image_desc_t *im, char *varname, char *err)
{
switch (n) {
case 7:
- sscanf(color,"#%6x%n",&col,&n);
+ sscanf(color,"#%6lx%n",&col,&n);
col = (col << 8) + 0xff /* shift left by 8 */;
if (n!=7) rrd_set_error("Color problem in %s",err);
break;
case 9:
- sscanf(color,"#%8x%n",&col,&n);
+ sscanf(color,"#%8lx%n",&col,&n);
if (n==9) break;
default:
rrd_set_error("Color problem in %s",err);
return n;
}
}
-int
-rrd_graph_check_CF(image_desc_t *im, char *symname, char *err)
-{
- if ((im->gdes[im->gdes_c-1].cf=cf_conv(symname))==-1) {
- rrd_set_error("Unknown CF '%s' in %s",symname,err);
- return -1;
- }
- return 0;
-}
-int
-rrd_graph_legend(graph_desc_t *gdp, char *line)
-{
- int i;
- i=scan_for_col(line,FMT_LEG_LEN,gdp->legend);
- return (strlen(&line[i])==0);
+int bad_format(char *fmt) {
+ char *ptr;
+ int n=0;
+ ptr = fmt;
+ while (*ptr != '\0')
+ if (*ptr++ == '%') {
+
+ /* line cannot end with percent char */
+ if (*ptr == '\0') return 1;
+
+ /* '%s', '%S' and '%%' are allowed */
+ if (*ptr == 's' || *ptr == 'S' || *ptr == '%') ptr++;
+
+ /* or else '% 6.2lf' and such are allowed */
+ else {
+
+ /* optional padding character */
+ if (*ptr == ' ' || *ptr == '+' || *ptr == '-') ptr++;
+
+ /* This should take care of 'm.n' with all three optional */
+ while (*ptr >= '0' && *ptr <= '9') ptr++;
+ if (*ptr == '.') ptr++;
+ while (*ptr >= '0' && *ptr <= '9') ptr++;
+
+ /* Either 'le', 'lf' or 'lg' must follow here */
+ if (*ptr++ != 'l') return 1;
+ if (*ptr == 'e' || *ptr == 'f' || *ptr == 'g') ptr++;
+ else return 1;
+ n++;
+ }
+ }
+
+ return (n!=1);
}
-int bad_format(char *fmt) {
- char *ptr;
- int n=0;
-
- ptr = fmt;
- while (*ptr != '\0') {
- if (*ptr == '%') {ptr++;
- if (*ptr == '\0') return 1;
- while ((*ptr >= '0' && *ptr <= '9') || *ptr == '.') {
- ptr++;
- }
- if (*ptr == '\0') return 1;
- if (*ptr == 'l') {
- ptr++;
- n++;
- if (*ptr == '\0') return 1;
- if (*ptr == 'e' || *ptr == 'f') {
- ptr++;
- } else { return 1; }
- }
- else if (*ptr == 's' || *ptr == 'S' || *ptr == '%') { ++ptr; }
- else { return 1; }
- } else {
- ++ptr;
- }
- }
- return (n!=1);
-}
int
vdef_parse(gdes,str)
struct graph_desc_t *gdes;
n=0;
sscanf(str,"%le,%29[A-Z]%n",¶m,func,&n);
- if (n==strlen(str)) { /* matched */
+ if (n== (int)strlen(str)) { /* matched */
;
} else {
n=0;
sscanf(str,"%29[A-Z]%n",func,&n);
- if (n==strlen(str)) { /* matched */
+ if (n== (int)strlen(str)) { /* matched */
param=DNAN;
} else {
rrd_set_error("Unknown function string '%s' in VDEF '%s'"
};
return 0;
}
+
+
int
vdef_calc(im,gdi)
image_desc_t *im;
field = (steps-1)*dst->vf.param/100;
dst->vf.val = array[field];
dst->vf.when = 0; /* no time component */
+ free(array);
#if 0
for(step=0;step<steps;step++)
printf("DEBUG: %3li:%10.2f %c\n",step,array[step],step==field?'*':' ');
projects / rrdtool.git / blobdiff