vkvg_arc vkvg_arc_negative vkvg_clear vkvg_clip vkvg_clip_preserve vkvg_close_path vkvg_create vkvg_curve_to vkvg_destroy vkvg_ellipse vkvg_elliptic_arc_to vkvg_fill vkvg_fill_preserve vkvg_flush vkvg_font_extents vkvg_get_current_point vkvg_get_dash vkvg_get_fill_rule vkvg_get_line_cap vkvg_get_line_join vkvg_get_line_width vkvg_get_matrix vkvg_get_miter_limit vkvg_get_opacity vkvg_get_operator vkvg_get_reference_count vkvg_get_source vkvg_get_target vkvg_has_current_point vkvg_identity_matrix vkvg_line_to vkvg_load_font_from_memory vkvg_load_font_from_path vkvg_move_to vkvg_new_path vkvg_new_sub_path vkvg_paint vkvg_path_extents vkvg_quadratic_to vkvg_rectangle vkvg_reference vkvg_rel_curve_to vkvg_rel_elliptic_arc_to vkvg_rel_line_to vkvg_rel_move_to vkvg_rel_quadratic_to vkvg_reset_clip vkvg_restore vkvg_rotate vkvg_rounded_rectangle vkvg_rounded_rectangle2 vkvg_save vkvg_scale vkvg_select_font_face vkvg_set_dash vkvg_set_fill_rule vkvg_set_font_size vkvg_set_line_cap vkvg_set_line_join vkvg_set_line_width vkvg_set_matrix vkvg_set_miter_limit vkvg_set_opacity vkvg_set_operator vkvg_set_source vkvg_set_source_color vkvg_set_source_rgb vkvg_set_source_rgba vkvg_set_source_surface vkvg_show_text vkvg_show_text_run vkvg_status vkvg_status_to_string vkvg_stroke vkvg_stroke_preserve vkvg_text_extents vkvg_text_run_create vkvg_text_run_create_with_length vkvg_text_run_destroy vkvg_text_run_get_extents vkvg_text_run_get_glyph_count vkvg_text_run_get_glyph_position vkvg_transform vkvg_translate VkvgContext

vkvg_set_opacity() void vkvg_set_opacity ( VkvgContext  ctx, float  opacity  ) This global opacity factor will affect all further drawing operations, the default value is 1. Parameters ctx a valid context handle. opacity global opacity value between 0..1.