Added setAxis (#56)

Author: aleadbetter

src/plot.zig

@@ -286,6 +286,10 @@ pub fn setupAxis(axis: Axis, args: SetupAxis) void {
     zguiPlot_SetupAxis(axis, if (args.label) |l| l else null, args.flags);
 }
 extern fn zguiPlot_SetupAxis(axis: Axis, label: ?[*:0]const u8, flags: AxisFlags) void;
+pub fn setAxis(axis: Axis) void {
+    zguiPlot_SetAxis(axis);
+}
+extern fn zguiPlot_SetAxis(axis: Axis) void;
 //----------------------------------------------------------------------------------------------
 pub const Condition = enum(u32) {
     none = @intFromEnum(gui.Condition.none),

src/zplot.cpp

@@ -93,6 +93,11 @@ extern "C"
         ImPlot::SetupFinish();
     }
 
+    ZGUI_API void zguiPlot_SetAxis(ImAxis axis)
+    {
+        ImPlot::SetAxis(axis);
+    }
+
     ZGUI_API bool zguiPlot_BeginPlot(const char *title_id, float width, float height, ImPlotFlags flags)
     {
         return ImPlot::BeginPlot(title_id, {width, height}, flags);