matplotlib Code

Add "draw_gouraud_triangles" (note the 's') backend method. Add initial support in Pdf backend (working in xpdf and evince, but not in acroread, strangely).

[2832896] raster scale error in PDF, EPS output

Changed the way the target OS X version is determined in _macosx.m.

New version of Gouraud quadmesh shader with 4 triangles per quad.

Convert slit paths to compound paths inside cntr.c.

Fix segfault in Agg backend

Experimental Gouraud shading support in the Agg backend.

Refactor some backend methods for consistency and to reduce explosion of the number of arguments. A first crack at Gouraud shading in the Agg backend (not hooked up to anything).

Remove unused argument from data_init in cntr.c

Elimination of contourf cut strokes: second try