X-Git-Url: https://git.octo.it/?a=blobdiff_plain;f=src%2Frrd_graph.c;h=597abafc22b020fdb990d1ae268fd0995b824ad8;hb=72da289aab9147072de240ea67237601d51de0cd;hp=a0748ad800059c892fa133c079991ded45a2f767;hpb=f9e5bd6a9d41c4607291cbbd88280129184ab325;p=rrdtool.git diff --git a/src/rrd_graph.c b/src/rrd_graph.c index a0748ad..597abaf 100644 --- a/src/rrd_graph.c +++ b/src/rrd_graph.c @@ -1,5 +1,5 @@ /**************************************************************************** - * RRDtool 1.2rc6 Copyright by Tobi Oetiker, 1997-2005 + * RRDtool 1.2.1 Copyright by Tobi Oetiker, 1997-2005 **************************************************************************** * rrd__graph.c produce graphs from data in rrdfiles ****************************************************************************/ @@ -30,15 +30,15 @@ #ifndef RRD_DEFAULT_FONT /* there is special code later to pick Cour.ttf when running on windows */ -#define RRD_DEFAULT_FONT "VeraMono.ttf" +#define RRD_DEFAULT_FONT "DejaVuSansMono-Roman.ttf" #endif text_prop_t text_prop[] = { - { 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 */ + { 8.0, RRD_DEFAULT_FONT }, /* default */ + { 9.0, RRD_DEFAULT_FONT }, /* title */ + { 7.0, RRD_DEFAULT_FONT }, /* axis */ + { 8.0, RRD_DEFAULT_FONT }, /* unit */ + { 8.0, RRD_DEFAULT_FONT } /* legend */ }; xlab_t xlab[] = { @@ -329,25 +329,32 @@ si_unit( 'E'};/* 10e18 Exa */ int symbcenter = 6; - double digits; + double digits,viewdigits=0; + digits = floor( log( max( fabs(im->minval),fabs(im->maxval)))/log((double)im->base)); + if (im->unitsexponent != 9999) { /* unitsexponent = 9, 6, 3, 0, -3, -6, -9, etc */ - digits = floor(im->unitsexponent / 3); + viewdigits = floor(im->unitsexponent / 3); } else { - digits = floor( log( max( fabs(im->minval),fabs(im->maxval)))/log((double)im->base)); + viewdigits = digits; } - im->magfact = pow((double)im->base , digits); + im->magfact = pow((double)im->base , digits); + #ifdef DEBUG printf("digits %6.3f im->magfact %6.3f\n",digits,im->magfact); #endif - if ( ((digits+symbcenter) < sizeof(symbol)) && - ((digits+symbcenter) >= 0) ) - im->symbol = symbol[(int)digits+symbcenter]; + im->viewfactor = im->magfact / pow((double)im->base , viewdigits); + + pow((double)im->base , viewdigits); + + if ( ((viewdigits+symbcenter) < sizeof(symbol)) && + ((viewdigits+symbcenter) >= 0) ) + im->symbol = symbol[(int)viewdigits+symbcenter]; else - im->symbol = ' '; + im->symbol = '?'; } /* move min and max values around to become sensible */ @@ -423,6 +430,10 @@ expand_range(image_desc_t *im) -sensiblevalues[i] >=scaled_max) im->maxval = -sensiblevalues[i]*(im->magfact); } + /* no sensiblevalues found. we switch to ALTYGRID mode */ + if (sensiblevalues[i] == 0){ + im->extra_flags |= ALTYGRID; + } } } else { /* adjust min and max to the grid definition if there is one */ @@ -1285,14 +1296,16 @@ print_calc(image_desc_t *im, char ***prdata) if (!strcmp(im->gdes[i].format,"%c")) { /* VDEF time print */ char ctime_buf[128]; /* PS: for ctime_r, must be >= 26 chars */ + int iii=0; + ctime_r(&printtime,ctime_buf); + while(isprint(ctime_buf[iii])){iii++;} + ctime_buf[iii]='\0'; if (im->gdes[i].gf == GF_PRINT){ (*prdata)[prlines-2] = malloc((FMT_LEG_LEN+2)*sizeof(char)); - sprintf((*prdata)[prlines-2],"%s (%lu)", - ctime_r(&printtime,ctime_buf),printtime); + sprintf((*prdata)[prlines-2],"%s (%lu)",ctime_buf,printtime); (*prdata)[prlines-1] = NULL; } else { - sprintf(im->gdes[i].legend,"%s (%lu)", - ctime_r(&printtime,ctime_buf),printtime); + sprintf(im->gdes[i].legend,"%s (%lu)",ctime_buf,printtime); graphelement = 1; } } else { @@ -1484,7 +1497,7 @@ leg_place(image_desc_t *im) + legspace[ii] + glue; } - leg_y += im->text_prop[TEXT_PROP_LEGEND].size*1.7; + leg_y += im->text_prop[TEXT_PROP_LEGEND].size*1.8; if (prt_fctn == 's') leg_y -= im->text_prop[TEXT_PROP_LEGEND].size; fill = 0; leg_c = 0; @@ -1535,10 +1548,15 @@ calc_horizontal_grid(image_desc_t *im) decimals = 1; fractionals = floor(log10(range)); - if(fractionals < 0) /* small amplitude. */ - sprintf(im->ygrid_scale.labfmt, "%%%d.%df", decimals - fractionals + 1, -fractionals + 1); - else - sprintf(im->ygrid_scale.labfmt, "%%%d.1f", decimals + 1); + if(fractionals < 0) { /* small amplitude. */ + int len = decimals - fractionals + 1; + if (im->unitslength < len) im->unitslength = len; + sprintf(im->ygrid_scale.labfmt, "%%%d.%df", len, -fractionals + 1); + } else { + int len = decimals + 1; + if (im->unitslength < len) im->unitslength = len; + sprintf(im->ygrid_scale.labfmt, "%%%d.1f", len); + } 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; @@ -1560,7 +1578,7 @@ calc_horizontal_grid(image_desc_t *im) else { for(i=0;ylab[i].grid > 0;i++){ pixel = im->ysize / (scaledrange / ylab[i].grid); - if (gridind == -1 && pixel > 5) { + if (pixel > 5) { gridind = i; break; } @@ -1601,24 +1619,24 @@ int draw_horizontal_grid(image_desc_t *im) if (i==0 || im->symbol == ' ') { if(scaledstep < 1){ if(im->extra_flags & ALTYGRID) { - sprintf(graph_label,im->ygrid_scale.labfmt,scaledstep*i); + sprintf(graph_label,im->ygrid_scale.labfmt,scaledstep*im->viewfactor*i); } else { - sprintf(graph_label,"%4.1f",scaledstep*i); + sprintf(graph_label,"%4.1f",scaledstep*im->viewfactor*i); } } else { - sprintf(graph_label,"%4.0f",scaledstep*i); + sprintf(graph_label,"%4.0f",scaledstep*im->viewfactor*i); } }else { if(scaledstep < 1){ - sprintf(graph_label,"%4.1f %c",scaledstep*i, im->symbol); + sprintf(graph_label,"%4.1f %c",scaledstep*im->viewfactor*i, im->symbol); } else { - sprintf(graph_label,"%4.0f %c",scaledstep*i, im->symbol); + sprintf(graph_label,"%4.0f %c",scaledstep*im->viewfactor*i, im->symbol); } } gfx_new_text ( im->canvas, - X0-im->text_prop[TEXT_PROP_AXIS].size/1.5, Y0, + X0-im->text_prop[TEXT_PROP_AXIS].size, Y0, im->graph_col[GRC_FONT], im->text_prop[TEXT_PROP_AXIS].font, im->text_prop[TEXT_PROP_AXIS].size, @@ -1712,7 +1730,7 @@ horizontal_log_grid(image_desc_t *im) sprintf(graph_label,"%3.0e",value * yloglab[majoridx][i]); gfx_new_text ( im->canvas, - X0-im->text_prop[TEXT_PROP_AXIS].size/1.5, Y0, + X0-im->text_prop[TEXT_PROP_AXIS].size, Y0, im->graph_col[GRC_FONT], im->text_prop[TEXT_PROP_AXIS].font, im->text_prop[TEXT_PROP_AXIS].size, @@ -1819,7 +1837,7 @@ vertical_grid( # error "your libc has no strftime I guess we'll abort the exercise here." #endif gfx_new_text ( im->canvas, - xtr(im,tilab), Y0+im->text_prop[TEXT_PROP_AXIS].size/1.5, + xtr(im,tilab), Y0+im->text_prop[TEXT_PROP_AXIS].size, im->graph_col[GRC_FONT], im->text_prop[TEXT_PROP_AXIS].font, im->text_prop[TEXT_PROP_AXIS].size, @@ -1920,7 +1938,7 @@ grid_paint(image_desc_t *im) /* yaxis unit description */ gfx_new_text( im->canvas, - 7, (im->yorigin - im->ysize/2), + 12, (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, @@ -1930,7 +1948,7 @@ grid_paint(image_desc_t *im) /* graph title */ gfx_new_text( im->canvas, - im->ximg/2, im->text_prop[TEXT_PROP_TITLE].size*1.2, + im->ximg/2, im->text_prop[TEXT_PROP_TITLE].size*1.3+4, im->graph_col[GRC_FONT], im->text_prop[TEXT_PROP_TITLE].font, im->text_prop[TEXT_PROP_TITLE].size, im->tabwidth, 0.0, @@ -2099,18 +2117,18 @@ graph_size_location(image_desc_t *im, int elements ** | |..............legends......................| ** +-+-------------------------------------------+ */ - int Xvertical=0, Yvertical=0, - Xtitle =0, Ytitle =0, - Xylabel =0, Yylabel =0, + int Xvertical=0, + Ytitle =0, + Xylabel =0, Xmain =0, Ymain =0, #ifdef WITH_PIECHART Xpie =0, Ypie =0, #endif - Xxlabel =0, Yxlabel =0, + Yxlabel =0, #if 0 Xlegend =0, Ylegend =0, #endif - Xspacing =10, Yspacing =10; + Xspacing =15, Yspacing =15; if (im->extra_flags & ONLY_GRAPH) { im->xorigin =0; @@ -2122,10 +2140,6 @@ graph_size_location(image_desc_t *im, int elements 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); } @@ -2134,24 +2148,27 @@ graph_size_location(image_desc_t *im, int elements ** automatically has some vertical spacing. The horizontal ** spacing is added here, on each side. */ - Xtitle = gfx_get_text_width(im->canvas, 0, + /* don't care for the with of the title + 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; + im->title, 0) + 2*Xspacing; */ + Ytitle = im->text_prop[TEXT_PROP_TITLE].size*2.6+10; } 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; + Xylabel=gfx_get_text_width(im->canvas, 0, + im->text_prop[TEXT_PROP_AXIS].font, + im->text_prop[TEXT_PROP_AXIS].size, + im->tabwidth, + "0", 0) * im->unitslength + Xspacing; } } @@ -2187,7 +2204,8 @@ graph_size_location(image_desc_t *im, int elements im->xorigin = Xspacing + Xylabel; - if (Xtitle > im->ximg) im->ximg = Xtitle; + /* the length of the title should not influence with width of the graph + if (Xtitle > im->ximg) im->ximg = Xtitle; */ if (Xvertical) { /* unit description */ im->ximg += Xvertical; @@ -2219,8 +2237,8 @@ graph_size_location(image_desc_t *im, int elements im->yimg += Ytitle; im->yorigin += Ytitle; } else { - im->yimg += Yspacing; - im->yorigin += Yspacing; + im->yimg += 1.5*Yspacing; + im->yorigin += 1.5*Yspacing; } /* reserve space for padding below the graph */ im->yimg += Yspacing; @@ -2232,8 +2250,6 @@ graph_size_location(image_desc_t *im, int elements 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) { @@ -2426,13 +2442,13 @@ graph_paint(image_desc_t *im, char ***calcpr) } /* for */ /* ******************************************************* - ___ - | | ___ + a ___. (a,t) + | | ___ ____| | | | | |___| - -------|--------------------------------------- + -------|--t-1--t-------------------------------- - if we know the value of y at time t was a then + if we know the value at time t was a then we draw a square from t-1 to t with the value a. ********************************************************* */ @@ -2440,47 +2456,80 @@ graph_paint(image_desc_t *im, char ***calcpr) /* GF_LINE and friend */ if(stack_gf == GF_LINE ){ node = NULL; - for(ii=1;iixsize;ii++){ - if (isnan(im->gdes[i].p_data[ii])){ + for(ii=1;iixsize;ii++){ + if (isnan(im->gdes[i].p_data[ii]) || (im->slopemode==1 && isnan(im->gdes[i].p_data[ii-1]))){ node = NULL; continue; } if ( node == NULL ) { - node = gfx_new_line(im->canvas, + if ( im->slopemode == 0 ){ + 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 { + node = gfx_new_line(im->canvas, + 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].linewidth, + im->gdes[i].col); + } } else { - gfx_add_point(node,ii-1+im->xorigin,ytr(im,im->gdes[i].p_data[ii])); + if ( im->slopemode==0 ){ + 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 { - for(ii=1;iixsize;ii++){ + float ybase0 = DNAN,ytop0; + for(ii=0;iixsize;ii++){ /* keep things simple for now, just draw these bars do not try to build a big and complex area */ float ybase,ytop; + if ( im->slopemode == 0 && ii==0){ + continue; + } if ( isnan(im->gdes[i].p_data[ii]) ) { + ybase0 = DNAN; continue; } ytop = ytr(im,im->gdes[i].p_data[ii]); - if ( im->gdes[i].stack ) { + if ( lastgdes && im->gdes[i].stack ) { ybase = ytr(im,lastgdes->p_data[ii]); } else { ybase = ytr(im,areazero); } if ( ybase == ytop ){ - continue; + ybase0 = DNAN; + continue; + } + /* every area has to be wound clock-wise, + so we have to make sur base remains base */ + if (ybase > ytop){ + float extra = ytop; + ytop = ybase; + ybase = extra; } - node = gfx_new_area(im->canvas, - ii-1+im->xorigin,ybase, - ii-1+im->xorigin,ytop, + if ( im->slopemode == 0){ + ybase0 = ybase; + ytop0 = ytop; + } + if ( !isnan(ybase0) ){ + node = gfx_new_area(im->canvas, + ii-1+im->xorigin,ybase0, + ii-1+im->xorigin,ytop0, ii+im->xorigin,ytop, im->gdes[i].col ); - gfx_add_point(node,ii+im->xorigin,ybase); + gfx_add_point(node, + ii+im->xorigin,ybase + ); + } + ybase0=ybase; + ytop0=ytop; } } /* else GF_LINE */ } /* if color != 0x0 */ @@ -2520,12 +2569,14 @@ graph_paint(image_desc_t *im, char ***calcpr) } #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); + + + if( !(im->extra_flags & ONLY_GRAPH) ) + axis_paint(im); /* the RULES are the last thing to paint ... */ for(i=0;igdes_c;i++){ @@ -2651,7 +2702,6 @@ int 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; @@ -2742,11 +2792,15 @@ rrd_graph_init(image_desc_t *im) im->minval = DNAN; im->maxval = DNAN; im->unitsexponent= 9999; + im->unitslength= 6; + im->symbol = ' '; + im->viewfactor = 1.0; im->extra_flags= 0; im->rigid = 0; im->gridfit = 1; im->imginfo = NULL; im->lazy = 0; + im->slopemode = 0; im->logarithmic = 0; im->ygridstep = DNAN; im->draw_x_grid = 1; @@ -2772,11 +2826,13 @@ rrd_graph_init(image_desc_t *im) if (windir != NULL) { strncpy(rrd_win_default_font,windir,999); rrd_win_default_font[999] = '\0'; - strcat(rrd_win_default_font,"\\fonts\\cour.ttf"); + strcat(rrd_win_default_font,"\\fonts\\"); + strcat(rrd_win_default_font,RRD_DEFAULT_FONT); for(i=0;iunitsexponent = atoi(optarg); break; + case 'L': + im->unitslength = atoi(optarg); + break; case 'T': im->tabwidth = atof(optarg); break; case 'S': im->step = atoi(optarg); break; - case 262: + case 'N': im->gridfit = 0; break; case 's': @@ -3010,6 +3074,10 @@ rrd_graph_options(int argc, char *argv[],image_desc_t *im) case 'z': im->lazy = 1; break; + case 'E': + im->slopemode = 1; + break; + case 'o': im->logarithmic = 1; if (isnan(im->minval)) @@ -3086,6 +3154,24 @@ rrd_graph_options(int argc, char *argv[],image_desc_t *im) im->title[150]='\0'; break; + case 'R': + if ( strcmp( optarg, "normal" ) == 0 ) + im->canvas->aa_type = AA_NORMAL; + else if ( strcmp( optarg, "light" ) == 0 ) + im->canvas->aa_type = AA_LIGHT; + else if ( strcmp( optarg, "mono" ) == 0 ) + im->canvas->aa_type = AA_NONE; + else + { + rrd_set_error("unknown font-render-mode '%s'", optarg ); + return; + } + break; + + case 'B': + im->canvas->font_aa_threshold = atof(optarg); + break; + case '?': if (optopt != 0) rrd_set_error("unknown option '%c'", optopt);