From 89413e3822fff302ea407e7ea1c080fdb8ee471a Mon Sep 17 00:00:00 2001 From: oetiker Date: Tue, 1 Sep 2009 08:49:11 +0000 Subject: [PATCH] show element type in legend git-svn-id: svn://svn.oetiker.ch/rrdtool/trunk@1907 a5681a0c-68f1-0310-ab6d-d61299d08faa --- program/NEWS | 2 + program/src/rrd_graph.c | 91 +++++++++++++++++++++++++---------------- 2 files changed, 58 insertions(+), 35 deletions(-) diff --git a/program/NEWS b/program/NEWS index d5a4ad2e..d13a76ad 100644 --- a/program/NEWS +++ b/program/NEWS @@ -67,5 +67,7 @@ Miscellaneous Changes * new graph option --border to set the 3d border width by Bernhard Reutner-Fischer +* draw different color swats depending on the type of line drawn in the + graph by Loïc Tortay for more detail see the CHANGES file. diff --git a/program/src/rrd_graph.c b/program/src/rrd_graph.c index ff1859d6..2df1835d 100644 --- a/program/src/rrd_graph.c +++ b/program/src/rrd_graph.c @@ -2737,41 +2737,62 @@ void grid_paint( boxV = boxH; /* shift the box up a bit */ Y0 -= boxV * 0.4; - /* make sure transparent colors show up the same way as in the graph */ - gfx_new_area(im, - X0, Y0 - boxV, - X0, Y0, X0 + boxH, Y0, im->graph_col[GRC_BACK]); - gfx_add_point(im, X0 + boxH, Y0 - boxV); - gfx_close_path(im); - gfx_new_area(im, X0, Y0 - boxV, X0, - Y0, X0 + boxH, Y0, im->gdes[i].col); - gfx_add_point(im, X0 + boxH, Y0 - boxV); - gfx_close_path(im); - cairo_save(im->cr); - cairo_new_path(im->cr); - cairo_set_line_width(im->cr, 1.0); - X1 = X0 + boxH; - Y1 = Y0 - boxV; - gfx_line_fit(im, &X0, &Y0); - gfx_line_fit(im, &X1, &Y1); - cairo_move_to(im->cr, X0, Y0); - cairo_line_to(im->cr, X1, Y0); - cairo_line_to(im->cr, X1, Y1); - cairo_line_to(im->cr, X0, Y1); - cairo_close_path(im->cr); - cairo_set_source_rgba(im->cr, - im-> - graph_col - [GRC_FRAME]. - red, - im-> - graph_col - [GRC_FRAME]. - green, - im-> - graph_col - [GRC_FRAME]. - blue, im->graph_col[GRC_FRAME].alpha); + if (im->gdes[i].gf == GF_HRULE) { /* [-] */ + cairo_save(im->cr); + cairo_new_path(im->cr); + cairo_set_line_width(im->cr, 1.0); + gfx_line(im, + X0, Y0 - boxV / 2, + X0 + boxH, Y0 - boxV / 2, + 1.0, im->gdes[i].col); + gfx_close_path(im); + } else if (im->gdes[i].gf == GF_VRULE) { /* [|] */ + cairo_save(im->cr); + cairo_new_path(im->cr); + cairo_set_line_width(im->cr, 1.0); + gfx_line(im, + X0 + boxH / 2, Y0, + X0 + boxH / 2, Y0 - boxV, + 1.0, im->gdes[i].col); + gfx_close_path(im); + } else if (im->gdes[i].gf == GF_LINE) { /* [/] */ + cairo_save(im->cr); + cairo_new_path(im->cr); + cairo_set_line_width(im->cr, im->gdes[i].linewidth); + gfx_line(im, + X0, Y0, + X0 + boxH, Y0 - boxV, + im->gdes[i].linewidth, im->gdes[i].col); + gfx_close_path(im); + } else { + /* make sure transparent colors show up the same way as in the graph */ + gfx_new_area(im, + X0, Y0 - boxV, + X0, Y0, X0 + boxH, Y0, im->graph_col[GRC_BACK]); + gfx_add_point(im, X0 + boxH, Y0 - boxV); + gfx_close_path(im); + gfx_new_area(im, X0, Y0 - boxV, X0, + Y0, X0 + boxH, Y0, im->gdes[i].col); + gfx_add_point(im, X0 + boxH, Y0 - boxV); + gfx_close_path(im); + cairo_save(im->cr); + cairo_new_path(im->cr); + cairo_set_line_width(im->cr, 1.0); + X1 = X0 + boxH; + Y1 = Y0 - boxV; + gfx_line_fit(im, &X0, &Y0); + gfx_line_fit(im, &X1, &Y1); + cairo_move_to(im->cr, X0, Y0); + cairo_line_to(im->cr, X1, Y0); + cairo_line_to(im->cr, X1, Y1); + cairo_line_to(im->cr, X0, Y1); + cairo_close_path(im->cr); + cairo_set_source_rgba(im->cr, + im->graph_col[GRC_FRAME].red, + im->graph_col[GRC_FRAME].green, + im->graph_col[GRC_FRAME].blue, + im->graph_col[GRC_FRAME].alpha); + } if (im->gdes[i].dash) { /* make box borders in legend dashed if the graph is dashed */ double dashes[] = { -- 2.30.2