import bpy


class SCENERENDERER_PT_panel(bpy.types.Panel):
    bl_label = "Scene Renderer"
    bl_idname = "SCENERENDERER_PT_panel"
    bl_space_type = 'VIEW_3D'
    bl_region_type = 'UI'
    bl_category = "Scene Renderer"

    def draw(self, context):
        layout = self.layout
        settings = context.scene.scene_renderer

        row = layout.row(align=True)
        row.prop(settings, "test_mode", toggle=True)
        row.prop(settings, "skip_existing", toggle=True)

        layout.prop(settings, "use_cpu")
        layout.prop(settings, "samples")

        box = layout.box()
        box.label(text="Color", icon='SHADING_RENDERED')
        box.prop(settings, "exposure", slider=True)
        box.prop(settings, "look")

        layout.separator()
        row = layout.row(align=True)
        row.scale_y = 2.0
        row.operator("scenerenderer.render_all", text="Render All Scenes", icon='RENDER_STILL')