cairo_pattern_create_linear Description &reftitle.description; CairoPatterncairo_pattern_create_linear floatx0 floaty0 floatx1 floaty1 The function description goes here. &warn.undocumented.func; &reftitle.parameters; x0 Description... y0 Description... x1 Description... y1 Description... &reftitle.returnvalues; What is returned on success and failure &reftitle.errors; When does this function issue E_* level errors, and/or throw exceptions. &reftitle.examples; Any text that describes the purpose of the example, or what goes on in the example should be here. ]]> &example.outputs.similar; &reftitle.seealso; related function name here