diff options
Diffstat (limited to 'graphics/epix/doc/color_density.xp')
-rw-r--r-- | graphics/epix/doc/color_density.xp | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/graphics/epix/doc/color_density.xp b/graphics/epix/doc/color_density.xp new file mode 100644 index 0000000000..f561fa43e3 --- /dev/null +++ b/graphics/epix/doc/color_density.xp @@ -0,0 +1,42 @@ +/* -*-ePiX-*- */ +#include "epix.h" +using namespace ePiX; + +double dX(0.125), dY(0.25); + +int main() +{ + picture(P(-2, 0), P(2, 1.125 + dY), "4 x 1.5in"); + + begin(); + + fill(); + for (int i=-6; i<=6; ++i) + { + const double x(0.333*i); + fill(Red(x)); + rect(P(x-dX, 1.125), P(x+dX, 1.125+dY)); + } + nofill(); + + h_axis(4); + v_axis(P(0,0), P(0,1), 1); + + h_axis_labels(4, P(0,-4), b); + red(-1); + line(P(-2,1), P(-1,1)); + line(P(-1,1), P(0,0)); + line(P(0,0), P(1,0)); + line(P(1,0), P(2,1)); + + red(); + bold(); + line(P(-2,1), P(-1,0)); + line(P(-1,0), P(0,0)); + + line(P(0,0), P(1,1)); + line(P(1,1), P(2,1)); + + pst_format(); + end(); +} |