cocoa - Coreplot Legend drawing outside of plot frame -

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i have chart os x app can resized window. expected when width reduced enough legend truncated or clipped. however, spilling outside of plot area shown below. ideally, legend truncate or @ least clip contents. how can done?

my legend setup follows

- (void)configurelegend {     // 1 - graph instance     cptgraph *graph = self.graphhostingview.hostedgraph;     // 2 - create legend     cptlegend *thelegend;     if (!thelegend) {         thelegend = [cptlegend legendwithgraph:graph];     }      //configure text     cptmutabletextstyle *textstyle = [cptmutabletextstyle textstyle];     textstyle.color = [cptcolor colorwithcomponentred:0.612f green:0.612f blue:0.612f alpha:1.00f];     textstyle.fontname = @"helveticaneue";     textstyle.fontsize = 12.0f;     thelegend.textstyle = textstyle;      // 3 - configure legend     thelegend.numberofcolumns = 1;     thelegend.fill = nil;     thelegend.borderlinestyle = nil;     thelegend.swatchsize = cgsizemake(10.0, 10.0);     thelegend.swatchcornerradius = 5.0f;     // 4 - add legend graph     graph.legend = thelegend;     graph.legendanchor = cptrectanchorleft;     cgfloat viewwidth = self.graphhostingview.bounds.size.width;     cgfloat legendpadding = (viewwidth * 0.3) + self.piechart.pieradius + (viewwidth * 0.05);     graph.legenddisplacement = cgpointmake(legendpadding, 0.0); }

legend not clipping

make sure graph masking sublayers. use maskstobounds clip outside of border line or maskstoborder clip inside edge of border.


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