Bug with Legend object shading being reset during print

This produces a legend with an interpolated icon to better identify the surface, trivial here, but critical with many surfaces you want to print for publication.
figure(2); clf; Z=peaks; surf(Z); hold on; set(gcf,'PaperPositionMode','auto');
patch([-1; 1; 1; -1;]*25+25, [-1; -1; 1; 1;]*25+25,[1; 1; 1; 1;]+4,'EdgeColor','k','EdgeAlpha',0.6,'FaceAlpha',0.4,'LineStyle','--','FaceColor',[1 0 0])
set(gcf,'Position',[ 13 46 1249 556]); set(gcf,'Color',[1 1 1]);
[h,h_icons]=legend([{'peaks'},{'baseline'}]);
set(h_icons(3),'CData',[2 -10 2 10],'FaceColor','interp');
print(gcf,'-dpng',[cd '\BAD_flat_legend'],'-r300');
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
what it's supposed to look like
What actually prints

3 commentaires

It looks like a bug because the print function causes the get(h_icons(3),'FaceColor') to be changed from 'interp' back to 'flat'. Maybe it's from something in the legend function.
I was unable to reproduce this in MATLAB R2016a with any of the graphics renderers. Could you tell me which release of MATLAB you're using?
2015a
  1. Were you able to get any output from the code?
  2. If you got the plot did you get interpolated color in the legend?

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Question posée :

le 25 Juil 2016

Modifié(e) :

le 16 Mai 2021

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