<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - Circular shading is pixelated" href="https://bugs.freedesktop.org/show_bug.cgi?id=88394#c2">Comment # 2</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - Circular shading is pixelated" href="https://bugs.freedesktop.org/show_bug.cgi?id=88394">bug 88394</a> from <a class="email" href="mailto:ajohnson@redneon.com" title="Adrian Johnson <ajohnson@redneon.com>"> Adrian Johnson</a> <pre>Created <a href="attachment.cgi?id=112285" name="attach_112285" title="Implement cairo function shading">attachment 112285</a> <a href="attachment.cgi?id=112285&action=edit" title="Implement cairo function shading">[details]</a> <a href='page.cgi?id=splinter.html&bug=88394&attachment=112285'>[review]</a> Implement cairo function shading The pdf contains a function based shading. Gfx subdivides the shading then draws each cell with a solid color resulting in a pixelated appearance for both cairo and splash. This could be fixed by reducing the size of each cell to 1 pixel. However this could significantly increase rendering time as the function has to be evaluated for each pixel. The better fix is to interpolate the colors in each cell instead of using solid fills. I've fixed this for the cairo backend by using cairo mesh gradients to interpolate the colors in each cell. I should also point out that the conical gradient in this particular pdf could have been created with a type 6 shading (coons patch meshes). This would produce a better result and does not rely on evaluating a type 4 PostScript calculator function.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the assignee for the bug.</li> </ul> </body> </html>