From: oetiker Date: Wed, 30 May 2007 05:23:07 +0000 (+0000) Subject: switch for rrd_graph to specify the outer-size of the graph and not just the X-Git-Url: https://git.tokkee.org/?a=commitdiff_plain;h=1bf4194f061e0000eff34e71e6c46c7f72eb252f;p=rrdtool.git switch for rrd_graph to specify the outer-size of the graph and not just the size of the canvas: --full-size-mode -- matthew.chambers vanderbilt.edu git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk/program@1089 a5681a0c-68f1-0310-ab6d-d61299d08faa --- diff --git a/CONTRIBUTORS b/CONTRIBUTORS index aaf7718..0dabaea 100644 --- a/CONTRIBUTORS +++ b/CONTRIBUTORS @@ -30,6 +30,7 @@ Joey Miller php3 and php4 bindings Jost.Krieger Kai Siering Larry Leszczynski +Matt Chambers --full-size-mode for rrdgraph McCreary mccreary with xoanon.colorado.edu Mike Mitchell Mike Slifcak many rrdtool-1.1.x fixes diff --git a/doc/rrdgraph.pod b/doc/rrdgraph.pod index 9060bd8..c451f06 100644 --- a/doc/rrdgraph.pod +++ b/doc/rrdgraph.pod @@ -91,10 +91,15 @@ placed string at the left hand side of the graph. [B<-w>|B<--width> I] [B<-h>|B<--height> I] [B<-j>|B<--only-graph>] +[B<-D>|B<--full-size-mode>] -The width and height of the B (the part of the graph with +By default, the width and height of the B (the part with the actual data and such). This defaults to 400 pixels by 100 pixels. +If you specify the B<--full-size-mode> option, the width and height +specify the final dimensions of the output image and the canvas +is automatically resized to fit. + If you specify the B<--only-graph> option and set the height E 32 pixels you will get a tiny graph image (thumbnail) to use as an icon for use in an overview, for example. All labeling will be stripped off diff --git a/src/rrd_graph.c b/src/rrd_graph.c index f33cfc3..2aba6f9 100644 --- a/src/rrd_graph.c +++ b/src/rrd_graph.c @@ -1552,7 +1552,8 @@ int print_calc( /* place legends with color spots */ int leg_place( - image_desc_t *im) + image_desc_t *im, + int *gY) { /* graph labels */ int interleg = im->text_prop[TEXT_PROP_LEGEND].size * 2.0; @@ -1573,10 +1574,13 @@ int leg_place( return -1; } + if (im->extra_flags & FULL_SIZE_MODE) + leg_y = leg_y_prev = leg_y - (int) (im->text_prop[TEXT_PROP_LEGEND].size*1.8); + for (i = 0; i < im->gdes_c; i++) { fill_last = fill; - /* hid legends for rules which are not displayed */ + /* hide legends for rules which are not displayed */ if (!(im->extra_flags & FORCE_RULES_LEGEND)) { if (im->gdes[i].gf == GF_HRULE && @@ -1695,20 +1699,34 @@ int leg_place( + glue; } leg_y_prev = leg_y; - /* only add y space if there was text on the line */ - if (leg_x > border || prt_fctn == 's') - leg_y += im->text_prop[TEXT_PROP_LEGEND].size * 1.8; - if (prt_fctn == 's') - leg_y -= im->text_prop[TEXT_PROP_LEGEND].size; + if (im->extra_flags & FULL_SIZE_MODE) { + /* only add y space if there was text on the line */ + if (leg_x > border || prt_fctn == 's') + leg_y -= im->text_prop[TEXT_PROP_LEGEND].size * 1.8; + if (prt_fctn == 's') + leg_y += im->text_prop[TEXT_PROP_LEGEND].size; + } else { + if (leg_x > border || prt_fctn == 's') + 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; mark = ii; } } - im->yimg = leg_y_prev; - /* if we did place some legends we have to add vertical space */ - if (leg_y != im->yimg) { - im->yimg += im->text_prop[TEXT_PROP_LEGEND].size * 1.8; + + if (im->extra_flags & FULL_SIZE_MODE) { + if (leg_y != leg_y_prev) { + *gY = leg_y - im->text_prop[TEXT_PROP_LEGEND].size*1.8; + im->yorigin = leg_y - im->text_prop[TEXT_PROP_LEGEND].size*1.8; + } + } else { + im->yimg = leg_y_prev; + /* if we did place some legends we have to add vertical space */ + if (leg_y != im->yimg) + im->yimg += im->text_prop[TEXT_PROP_LEGEND].size * 1.8; } free(legspace); } @@ -2569,22 +2587,6 @@ int graph_size_location( ** 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......................| - ** +-+-------------------------------------------+ - ** | watermark | - ** +---------------------------------------------+ - */ int Xvertical = 0, Ytitle = 0, Xylabel = 0, Xmain = 0, Ymain = 0, #ifdef WITH_PIECHART Xpie = 0, Ypie = 0, @@ -2604,123 +2606,245 @@ int graph_size_location( return 0; } - if (im->ylegend[0] != '\0') { - Xvertical = im->text_prop[TEXT_PROP_UNIT].size * 2; + /** +---+--------------------------------------------+ + ** | y |...............graph title..................| + ** | +---+-------------------------------+--------+ + ** | a | y | | | + ** | x | | | | + ** | i | a | | pie | + ** | s | x | main graph area | chart | + ** | | i | | area | + ** | t | s | | | + ** | i | | | | + ** | t | l | | | + ** | l | b +-------------------------------+--------+ + ** | e | l | x axis labels | | + ** +---+---+-------------------------------+--------+ + ** |....................legends.....................| + ** +------------------------------------------------+ + ** | watermark | + ** +------------------------------------------------+ + */ + + if (im->ylegend[0] != '\0' ) { + Xvertical = im->text_prop[TEXT_PROP_UNIT].size *2; } - if (im->title[0] != '\0') { - /* The title is placed "inbetween" two text lines so it + /* The title is placed "inbetween" two text lines so it ** automatically has some vertical spacing. The horizontal ** spacing is added here, on each side. */ - /* 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 * 2.6 + 10; + /* if necessary, reduce the font size of the title until it fits the image width */ + Ytitle = im->text_prop[TEXT_PROP_TITLE].size*2.6+10; } if (elements) { - Xmain = im->xsize; - Ymain = im->ysize; - if (im->draw_x_grid) { - Yxlabel = im->text_prop[TEXT_PROP_AXIS].size * 2.5; - } - if (im->draw_y_grid || im->forceleftspace) { - 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; - } + if (im->draw_x_grid) { + Yxlabel=im->text_prop[TEXT_PROP_AXIS].size *2.5; + } + if (im->draw_y_grid || im->forceleftspace ) { + 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; + } } + + if (im->extra_flags & FULL_SIZE_MODE) { + /* The actual size of the image to draw has been determined by the user. + ** The graph area is the space remaining after accounting for the legend, + ** the watermark, the pie chart, the axis labels, and the title. + */ + im->xorigin =0; + im->ximg = im->xsize; + im->yimg = im->ysize; + im->yorigin = im->ysize; + Xmain=im->ximg; + Ymain=im->yimg; + + im->yorigin += Ytitle; + #ifdef WITH_PIECHART - if (piechart) { - im->piesize = im->xsize < im->ysize ? im->xsize : im->ysize; - Xpie = im->piesize; - Ypie = im->piesize; - } + if (piechart) { + im->piesize=im->xsizeysize?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. */ + /* 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; + /* Initial size calculation for the main graph area */ + Xmain = im->ximg - (Xylabel + 2 * Xspacing); + if (Xmain) Xmain -= Xspacing; /* put space between main graph area and right edge */ #ifdef WITH_PIECHART - im->ximg += Xpie; + Xmain -= Xpie; /* remove pie width from main graph area */ + if (Xpie) Xmain -= Xspacing; /* put space between pie and main graph area */ #endif - if (Xmain) - im->ximg += Xspacing; + im->xorigin = Xspacing + Xylabel; + + /* the length of the title should not influence with width of the graph + if (Xtitle > im->ximg) im->ximg = Xtitle; */ + + if (Xvertical) { /* unit description */ + Xmain -= Xvertical; + im->xorigin += Xvertical; + } + im->xsize = Xmain; + xtr(im,0); + + /* The vertical size of the image is known in advance. The main graph area + ** (Ymain) and im->yorigin must be set according to the space requirements + ** of the legend and the axis labels. + */ + + /* Determine where to place the legends onto the image. + ** Set Ymain and adjust im->yorigin to match the space requirements. + */ + if (leg_place(im,&Ymain)==-1) + return -1; + #ifdef WITH_PIECHART - if (Xpie) - im->ximg += Xspacing; + /* if (im->yimg < Ypie) im->yimg = Ypie; * not sure what do about this */ #endif - im->xorigin = Xspacing + Xylabel; + /* remove title space *or* some padding above the graph from the main graph area */ + if (Ytitle) { + Ymain -= Ytitle; + } else { + Ymain -= 1.5*Yspacing; + } - /* the length of the title should not influence with width of the graph - if (Xtitle > im->ximg) im->ximg = Xtitle; */ + /* watermark doesn't seem to effect the vertical size of the main graph area, oh well! */ + if (im->watermark[0] != '\0') { + Ymain -= Ywatermark; + } - if (Xvertical) { /* unit description */ - im->ximg += Xvertical; - im->xorigin += Xvertical; - } - xtr(im, 0); + im->ysize = Ymain; + + } else /* dimension options -width and -height refer to the dimensions of the main graph area */ + { + /* 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. + */ + + if (im->ylegend[0] != '\0' ) { + Xvertical = im->text_prop[TEXT_PROP_UNIT].size *2; + } - /* The vertical size is interesting... we need to compare - ** the sum of {Ytitle, Ymain, Yxlabel, Ylegend, Ywatermark} with - ** Yvertical however we need to know {Ytitle+Ymain+Yxlabel} - ** in order to start even thinking about Ylegend or Ywatermark. - ** - ** Do it in three portions: First calculate the inner part, - ** then do the legend, then adjust the total height of the img, - ** adding space for a watermark if one exists; - */ - /* reserve space for main and/or pie */ + 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. + */ + /* 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*2.6+10; + } - im->yimg = Ymain + Yxlabel; + if (elements) { + Xmain=im->xsize; + Ymain=im->ysize; + } #ifdef WITH_PIECHART - if (im->yimg < Ypie) - im->yimg = Ypie; + if (piechart) { + im->piesize=im->xsizeysize?im->xsize:im->ysize; + Xpie=im->piesize; + Ypie=im->piesize; + } #endif - im->yorigin = im->yimg - Yxlabel; + /* 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. */ - /* reserve space for the title *or* some padding above the graph */ - if (Ytitle) { - im->yimg += Ytitle; - im->yorigin += Ytitle; - } else { - im->yimg += 1.5 * Yspacing; - im->yorigin += 1.5 * Yspacing; - } - /* reserve space for padding below the graph */ - im->yimg += Yspacing; + /* 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; - /* Determine where to place the legends onto the image. - ** Adjust im->yimg to match the space requirements. - */ - if (leg_place(im) == -1) - return -1; +#ifdef WITH_PIECHART + im->ximg += Xpie; +#endif - if (im->watermark[0] != '\0') { - im->yimg += Ywatermark; + if (Xmain) im->ximg += Xspacing; +#ifdef WITH_PIECHART + if (Xpie) im->ximg += Xspacing; +#endif + + im->xorigin = Xspacing + Xylabel; + + /* 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; + im->xorigin += Xvertical; + } + xtr(im,0); + + /* The vertical size is interesting... we need to compare + ** the sum of {Ytitle, Ymain, Yxlabel, Ylegend, Ywatermark} with + ** Yvertical however we need to know {Ytitle+Ymain+Yxlabel} + ** in order to start even thinking about Ylegend or Ywatermark. + ** + ** Do it in three portions: First calculate the inner part, + ** then do the legend, then adjust the total height of the img, + ** adding space for a watermark if one exists; + */ + + /* 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 += 1.5*Yspacing; + im->yorigin += 1.5*Yspacing; + } + /* reserve space for padding below the graph */ + im->yimg += Yspacing; + + /* Determine where to place the legends onto the image. + ** Adjust im->yimg to match the space requirements. + */ + if(leg_place(im,0)==-1) + return -1; + + if (im->watermark[0] != '\0') { + im->yimg += Ywatermark; + } } + #if 0 if (Xlegend > im->ximg) { im->ximg = Xlegend; @@ -2730,19 +2854,19 @@ int graph_size_location( #ifdef WITH_PIECHART /* The pie is placed in the upper right hand corner, - ** just below the title (if any) and with sufficient - ** padding. - */ + ** 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; + 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; + im->pie_x = im->ximg/2; + im->pie_y = im->yorigin-Ypie/2; } #endif - ytr(im, DNAN); + ytr(im,DNAN); return 0; } @@ -2813,6 +2937,17 @@ int graph_paint( piechart = 2; #endif +/************************************************************** + *** 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; + /* get actual drawing data and find min and max values */ if (data_proc(im) == -1) return -1; @@ -2831,18 +2966,6 @@ int graph_paint( if (im->gridfit) apply_gridfit(im); - -/************************************************************** - *** 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; - /* the actual graph is created by going through the individual graph elements and then drawing them */ @@ -3484,6 +3607,7 @@ void rrd_graph_options( {"vertical-label", required_argument, 0, 'v'}, {"width", required_argument, 0, 'w'}, {"height", required_argument, 0, 'h'}, + {"full-size-mode", no_argument, 0, 'D'}, {"interlaced", no_argument, 0, 'i'}, {"upper-limit", required_argument, 0, 'u'}, {"lower-limit", required_argument, 0, 'l'}, @@ -3523,7 +3647,7 @@ void rrd_graph_options( 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:I:zgjFYAMEX:L:S:T:NR:B:W:", + "s:e:x:y:v:w:h:D:iu:l:rb:oc:n:m:t:f:a:I:zgjFYAMEX:L:S:T:NR:B:W:", long_options, &option_index); if (opt == EOF) @@ -3685,6 +3809,9 @@ void rrd_graph_options( } im->ysize = long_tmp; break; + case 'D': + im->extra_flags |= FULL_SIZE_MODE; + break; case 'i': im->canvas->interlaced = 1; break; diff --git a/src/rrd_graph.h b/src/rrd_graph.h index 22523be..8d5dc35 100644 --- a/src/rrd_graph.h +++ b/src/rrd_graph.h @@ -20,6 +20,8 @@ #define FORCE_UNITS 0x100 /* mask for all FORCE_UNITS_* flags */ #define FORCE_UNITS_SI 0x100 /* force use of SI units in Y axis (no effect in linear graph, SI instead of E in log graph) */ +#define FULL_SIZE_MODE 0x200 /* -width and -height indicate the total size of the image */ + enum tmt_en { TMT_SECOND = 0, TMT_MINUTE, TMT_HOUR, TMT_DAY, TMT_WEEK, TMT_MONTH, TMT_YEAR }; @@ -276,7 +278,8 @@ int print_calc( image_desc_t *, char ***); int leg_place( - image_desc_t *); + image_desc_t *, + int*); int calc_horizontal_grid( image_desc_t *); int draw_horizontal_grid(