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fix alpha for colorbar in GR

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This commit is contained in:
Daniel Schwabeneder 2019-04-01 13:14:06 +02:00
parent e72fa1dc74
commit d61c86b54b
1 changed files with 8 additions and 5 deletions
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13
src/backends/gr.jl
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@ -79,7 +79,7 @@ gr_set_fillcolor(c) = GR.setfillcolorind(gr_getcolorind(_cycle(c,1)))
gr_set_markercolor(c) = GR.setmarkercolorind(gr_getcolorind(_cycle(c,1)))
gr_set_textcolor(c) = GR.settextcolorind(gr_getcolorind(_cycle(c,1)))
gr_set_transparency(α::Real) = GR.settransparency(clamp(α, 0, 1))
function gr_set_transparency(::Nothing) end
gr_set_transparency(::Nothing) = GR.settransparency(1)
# --------------------------------------------------------------------------------------
@ -442,8 +442,8 @@ function gr_contour_levels(series::Series, clims)
levels = levels[1:end-1]
end
levels
end
end
function gr_colorbar_colors(series::Series, clims)
if iscontour(series)
levels = gr_contour_levels(series, clims)
@ -471,6 +471,7 @@ function gr_draw_colorbar(cbar::GRColorbar, sp::Subplot, clims)
GR.setwindow(xmin, xmax, zmin, zmax)
if (series = cbar.gradient[]) !== nothing
gr_set_gradient(series)
gr_set_transparency(get_fillalpha(series))
GR.cellarray(xmin, xmax, zmax, zmin, 1, 256, 1000:1255)
end
@ -488,6 +489,7 @@ function gr_draw_colorbar(cbar::GRColorbar, sp::Subplot, clims)
colors = gr_colorbar_colors(series, clims)
for (from, to, color) in zip(levels[1:end-1], levels[2:end], colors)
GR.setfillcolorind(color)
gr_set_transparency(get_fillalpha(series))
GR.fillrect( xmin, xmax, from, to )
end
end
@ -495,6 +497,7 @@ function gr_draw_colorbar(cbar::GRColorbar, sp::Subplot, clims)
if (series = cbar.lines[]) !== nothing
gr_set_gradient(series)
gr_set_line(get_linewidth(series), get_linestyle(series), get_linecolor(series, clims))
gr_set_transparency(get_linealpha(series))
levels = contour_levels(series, clims)
colors = gr_colorbar_colors(series, clims)
for (line, color) in zip(levels, colors)
@ -502,7 +505,7 @@ function gr_draw_colorbar(cbar::GRColorbar, sp::Subplot, clims)
GR.polyline([xmin,xmax], [line,line] )
end
end
ztick = 0.5 * GR.tick(zmin, zmax)
gr_set_line(1, :solid, plot_color(:black))
GR.axes(0, ztick, xmax, zmin, 0, 1, 0.005)
@ -1056,7 +1059,7 @@ function gr_display(sp::Subplot{GRBackend}, w, h, viewport_canvas)
for (idx, series) in enumerate(series_list(sp))
st = series[:seriestype]
# update the current stored gradient
gr_set_gradient(series)