def _comp_default(self):
canvas = Canvas(draw_axes=True, bgcolor="gray")
self.triangle = SierpinskiTriangle(
position=[0.0, 0.0],
bounds=[self.base_width, self.base_width * (SQRT3 / 2)],
iterations=self.iterations,
max_iters=self.max_iters,
base_width=self.base_width,
bgcolor="gray")
canvas.add(self.triangle)
self.viewport = Viewport(component=canvas,
enable_zoom=True,
stay_inside=True)
self.viewport.zoom_tool.min_zoom = 1.0
self.viewport.tools.append(
ViewportPanTool(self.viewport, drag_button="right"))
scrolled = Scrolled(
canvas,
inside_padding_width=0,
mousewheel_scroll=False,
viewport_component=self.viewport,
always_show_sb=True,
continuous_drag_update=True,
)
return scrolled
def __container_default(self):
""" default setter for _container
"""
viewport = Viewport(component=self._canvas, enable_zoom=True)
viewport.view_position = [0, 0]
viewport.tools.append(ViewportPanTool(viewport))
return Scrolled(self._canvas, viewport_component=viewport)
def _create_component(self):
container = Container(bounds=[800, 600], bgcolor=(0.9, 0.7, 0.7, 1.0),
auto_size=False, fit_window=False)
circle1 = Circle(bounds=[75,75], position=[100,100],
shadow_type="dashed")
container.add(circle1)
scr = Scrolled(container, bounds=[200,200], position=[50,50],
stay_inside=True, vertical_anchor='top',
horizontal_anchor='left', fit_window=False)
return scr
def _create_component(self):
container = VerboseContainer(auto_size=False, bounds=[800, 800])
a = Box(bounds=[50.0, 50.0], position=[50.0, 50.0])
b = Box(bounds=[50.0, 50.0], position=[200.0, 50.0])
c = Box(bounds=[50.0, 50.0], position=[50.0, 200.0])
d = Box(bounds=[50.0, 50.0], position=[200.0, 200.0])
container.add(a)
container.add(b)
container.add(c)
container.add(d)
scr = Scrolled(container,
bounds=[300, 300],
position=[50, 50],
fit_window=False)
return scr
def _create_component(self):
canvas = Canvas(bgcolor="lightsteelblue", draw_axes=True)
boxgridsize = 8
boxsize = 50
spacing = boxsize * 2
offset = spacing / 2
origin_color = array([0.0, 0.0, 1.0])
x_color = array([0.0, 1.0, 0.0])
y_color = array([1.0, 0.0, 0.0])
for i in range(boxgridsize):
for j in range(boxgridsize):
color = tuple(x_color / (boxgridsize - 1) * i + y_color /
(boxgridsize - 1) * j + origin_color) + (1.0, )
box = Box(color=color, bounds=[boxsize, boxsize], resizable="")
box.position = [
i * spacing + offset - boxsize / 2 + 0.5,
j * spacing + offset - boxsize / 2 + 0.5,
]
canvas.add(box)
viewport = Viewport(
component=canvas,
enable_zoom=True,
vertical_anchor="center",
horizontal_anchor="center",
)
# viewport.view_position = [0,0]
viewport.tools.append(ViewportPanTool(viewport))
# Uncomment the following to enforce limits on the zoom
# viewport.min_zoom = 0.1
# viewport.max_zoom = 3.0
scrolled = Scrolled(
canvas,
fit_window=True,
inside_padding_width=0,
mousewheel_scroll=False,
viewport_component=viewport,
always_show_sb=True,
continuous_drag_update=True,
)
return scrolled
def _create_component(self):
canvas = DropCanvas(bgcolor="lightsteelblue", draw_axes=True)
canvas.overlays.append(EventTracer(canvas, color="green", size=8,
angle=45.0))
viewport = Viewport(component=canvas, enable_zoom=True)
viewport.view_position = [0, 0]
viewport.tools.append(ViewportPanTool(viewport, drag_button="right"))
viewport.overlays.append(EventTracer(viewport))
scrolled = Scrolled(canvas, inside_padding_width=0,
mousewheel_scroll=False,
viewport_component=viewport,
always_show_sb=True,
continuous_drag_update=True)
return scrolled
def init(self, parent):
""" Finishes initializing the editor by creating the underlying toolkit
widget.
"""
canvas = self.value
viewport = CanvasViewport(component=canvas, view_position=[0, 0])
viewport.tools.append(ViewportPanTool(viewport, drag_button='right'))
viewport.max_zoom = 1.0
viewport.min_zoom = 0.2
self.canvas_view = viewport
self.scrolled = Scrolled(canvas,
fit_window=True,
inside_padding_width=0,
mousewheel_scroll=False,
always_show_sb=True,
continuous_drag_update=True,
viewport_component=viewport)
self._window = Window(parent, -1, component=self.scrolled)
self.control = self._window.control