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perf/chart: Render a solid bar if the column is too narrow for the gradient

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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2012-07-12 18:11:21 +01:00
parent 6aed048484
commit 70c2125e2c
1 changed files with 31 additions and 22 deletions
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53
perf/cairo-perf-chart.c
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@ -359,21 +359,26 @@ add_chart (struct chart *c,
dx = c->width / (double) (c->num_tests * c->num_reports);
x = dx * (c->num_reports * test + report - .5);
set_report_gradient (c, report,
floor (x), c->height / 2.,
floor (x + dx) - floor (x),
ceil (-dy*value - c->height/2.) + c->height/2.);
cairo_rectangle (c->cr,
floor (x), c->height / 2.,
floor (x + dx) - floor (x),
ceil (-dy*value - c->height/2.) + c->height/2.);
cairo_fill_preserve (c->cr);
cairo_save (c->cr);
cairo_clip_preserve (c->cr);
set_report_color (c, report);
cairo_stroke (c->cr);
cairo_restore (c->cr);
if (dx < 5) {
set_report_color (c, report);
cairo_fill (c->cr);
} else {
set_report_gradient (c, report,
floor (x), c->height / 2.,
floor (x + dx) - floor (x),
ceil (-dy*value - c->height/2.) + c->height/2.);
cairo_fill_preserve (c->cr);
cairo_save (c->cr);
cairo_clip_preserve (c->cr);
set_report_color (c, report);
cairo_stroke (c->cr);
cairo_restore (c->cr);
}
/* Skip the label if the difference between the two is less than 0.1% */
if (fabs (value) < 0.1)
@ -423,21 +428,25 @@ add_chart (struct chart *c,
dx = c->width / (double) (c->num_tests * (c->num_reports+1));
x = dx * ((c->num_reports+1) * test + report + .5);
set_report_gradient (c, report,
floor (x), c->height,
floor (x + dx) - floor (x),
floor (c->height - dy*value) - c->height);
cairo_rectangle (c->cr,
floor (x), c->height,
floor (x + dx) - floor (x),
floor (c->height - dy*value) - c->height);
cairo_fill_preserve (c->cr);
cairo_save (c->cr);
cairo_clip_preserve (c->cr);
set_report_color (c, report);
cairo_stroke (c->cr);
cairo_restore (c->cr);
if (dx < 5) {
set_report_color (c, report);
cairo_fill (c->cr);
} else {
set_report_gradient (c, report,
floor (x), c->height,
floor (x + dx) - floor (x),
floor (c->height - dy*value) - c->height);
cairo_fill_preserve (c->cr);
cairo_save (c->cr);
cairo_clip_preserve (c->cr);
set_report_color (c, report);
cairo_stroke (c->cr);
cairo_restore (c->cr);
}
}
}