ui_text.py

from enable.api import Component, ComponentEditor
from traits.api import HasTraits, Instance
from traitsui.api import Item, View

def glyph_a(gc):
        gc.move_to(28.47, 6.45)
        gc.quad_curve_to(21.58, 1.12, 19.82, 0.29)
        gc.quad_curve_to(17.19, -0.93, 14.21, -0.93)
        gc.quad_curve_to(9.57, -0.93, 6.57, 2.25)
        gc.quad_curve_to(3.56, 5.42, 3.56, 10.60)
        gc.quad_curve_to(3.56, 13.87, 5.03, 16.26)
        gc.quad_curve_to(7.03, 19.58, 11.99, 22.51)
        gc.quad_curve_to(16.94, 25.44, 28.47, 29.64)
        gc.line_to(28.47, 31.40)
        gc.quad_curve_to(28.47, 38.09, 26.34, 40.58)
        gc.quad_curve_to(24.22, 43.07, 20.17, 43.07)
        gc.quad_curve_to(17.09, 43.07, 15.28, 41.41)
        gc.quad_curve_to(13.43, 39.75, 13.43, 37.60)
        gc.line_to(13.53, 34.77)
        gc.quad_curve_to(13.53, 32.52, 12.38, 31.30)
        gc.quad_curve_to(11.23, 30.08, 9.38, 30.08)
        gc.quad_curve_to(7.57, 30.08, 6.42, 31.35)
        gc.quad_curve_to(5.27, 32.62, 5.27, 34.81)
        gc.quad_curve_to(5.27, 39.01, 9.57, 42.53)
        gc.quad_curve_to(13.87, 46.04, 21.63, 46.04)
        gc.quad_curve_to(27.59, 46.04, 31.40, 44.04)
        gc.quad_curve_to(34.28, 42.53, 35.64, 39.31)
        gc.quad_curve_to(36.52, 37.21, 36.52, 30.71)
        gc.line_to(36.52, 15.53)
        gc.quad_curve_to(36.52, 9.13, 36.77, 7.69)
        gc.quad_curve_to(37.01, 6.25, 37.57, 5.76)
        gc.quad_curve_to(38.13, 5.27, 38.87, 5.27)
        gc.quad_curve_to(39.65, 5.27, 40.23, 5.62)
        gc.quad_curve_to(41.26, 6.25, 44.19, 9.18)
        gc.line_to(44.19, 6.45)
        gc.quad_curve_to(38.72, -0.88, 33.74, -0.88)
        gc.quad_curve_to(31.35, -0.88, 29.93, 0.78)
        gc.quad_curve_to(28.52, 2.44, 28.47, 6.45)
        gc.close_path()

        gc.move_to(28.47, 9.62)
        gc.line_to(28.47, 26.66)
        gc.quad_curve_to(21.09, 23.73, 18.95, 22.51)
        gc.quad_curve_to(15.09, 20.36, 13.43, 18.02)
        gc.quad_curve_to(11.77, 15.67, 11.77, 12.89)
        gc.quad_curve_to(11.77, 9.38, 13.87, 7.06)
        gc.quad_curve_to(15.97, 4.74, 18.70, 4.74)
        gc.quad_curve_to(22.41, 4.74, 28.47, 9.62)
        gc.close_path()

class MyCanvas(Component):
    def draw(self, gc, **kwargs):
        w,h = gc.width(), gc.height()

        gc.move_to(0,0)
        gc.line_to(w,h)
        gc.set_stroke_color((1,0,0))
        gc.stroke_path()
        gc.move_to(0,h)
        gc.line_to(w,0)
        gc.set_stroke_color((0,1,0))
        gc.stroke_path()
        gc.rect(0,0,w,h)
        gc.set_stroke_color((0,0,0,.5))
        gc.set_line_width(20)
        gc.stroke_path()

        gc.set_fill_color((0,0,1,0.0))
        gc.rect(0,0,w,h)

        gc.draw_path()

        gc.set_line_width(1)
        gc.translate_ctm(w/2.0,h/2.0)
        with gc:
            gc.scale_ctm(2.0,2.0)
            glyph_a(gc)
        gc.stroke_path()

        gc.translate_ctm(0,-20)
        gc.scale_ctm(2.0,2.0)
        glyph_a(gc)
        gc.set_fill_color((0,0,1,1.0))
        gc.fill_path()


class Demo(HasTraits):
    canvas = Instance(Component)

    traits_view = View(Item('canvas', editor=ComponentEditor(bgcolor="lightgray"),
                            show_label=False, width=500, height=500),
                       resizable=True, title="Gradient Example")

    def _canvas_default(self):
        return MyCanvas()


if __name__ == "__main__":
    Demo().configure_traits()