def draw(self, ctx: DrawContext) -> None:
cairo_ctx = ctx.ctx
pts = iter(self._ppc)
x = ctx.viewport_transform(next(pts))
cairo_ctx.move_to(*x[:-1])
for p in pts:
cairo_ctx.line_to(*ctx.viewport_transform(p)[:-1])
cairo_ctx.line_to(*x[:-1])
cairo_ctx.stroke()
def draw(self, ctx: DrawContext) -> None:
cairo_ctx = ctx.ctx
pts = [ctx.viewport_transform(p) for p in self._ppc]
cairo_ctx.move_to(*pts[0][:2])
for p in pts[1:]:
cairo_ctx.line_to(*p[:2])
cairo_ctx.stroke()
def draw_verbose(self, ctx: DrawContext) -> None:
self.draw(ctx)
cairo_ctx = ctx.ctx
with this_source_rgb(cairo_ctx, 0., 1., 0.):
for point in self._ppc:
x, y = ctx.viewport_transform(point)[:-1]
cairo_ctx.arc(x, y, 5, 0, 2 * np.pi)
cairo_ctx.fill()
cairo_ctx.close_path()
def draw_verbose(self, ctx: DrawContext) -> None:
self.draw(ctx)
cairo_ctx = ctx.ctx
x, y = ctx.viewport_transform(self._ppc[0])[:-1]
cairo_ctx.move_to(x + 5, y + 5)
src = cairo_ctx.get_source()
cairo_ctx.set_source_rgb(0., 1., 0.)
cairo_ctx.show_text(self.name)
cairo_ctx.set_source(src)
def draw_verbose(self, ctx: DrawContext) -> None:
self.draw(ctx)
p1, p2 = [ctx.viewport_transform(p) for p in self._ppc][:2]
cairo_ctx = ctx.ctx
src = cairo_ctx.get_source()
cairo_ctx.set_source_rgb(0., 1., 0.)
cairo_ctx.arc(*p1[:-1], 5, 0, 2 * np.pi)
cairo_ctx.fill()
cairo_ctx.arc(*p2[:-1], 5, 0, 2 * np.pi)
cairo_ctx.fill()
cairo_ctx.set_source(src)
def on_canvas_draw(self, sender: Gtk.DrawingArea, ctx) -> None:
# self.viewport.resize(float(self.canvas.get_allocated_width()) - 20.,
# float(self.canvas.get_allocated_height()) - 20.)
# print((float(self.canvas.get_allocated_width()) - 20., float(self.canvas.get_allocated_height()) - 20.))
from util import this_source_rgb
with this_source_rgb(ctx, 1., 1., 1.):
ctx.rectangle(0, 0, 900, 500)
ctx.fill()
draw_ctx = DrawContext(self.viewport, self.model.window, ctx)
from clipping import CohenSutherland
for obj in self.model.objects(CohenSutherland(self.model.window)):
if obj.name == self.get_selected_name():
ctx.set_source_rgb(1., 0., 0.)
obj.draw_verbose(draw_ctx)
ctx.set_source_rgb(0., 0., 0.)
else:
obj.draw(draw_ctx)
self.viewport.draw(ctx)
def draw(self, ctx: DrawContext) -> None:
p1, p2 = [ctx.viewport_transform(p) for p in self._ppc][:2]
cairo_ctx = ctx.ctx
cairo_ctx.move_to(*p1[:-1])
cairo_ctx.line_to(*p2[:-1])
cairo_ctx.stroke()
def draw(self, ctx: DrawContext) -> None:
list_points = [ctx.viewport_transform(p) for p in self._ppc]
cairo_ctx = ctx.ctx
cairo_ctx.move_to(*list_points[:-1])
cairo_ctx.line_to(*list_points[:-1])
cairo_ctx.stroke()
def draw(self, ctx: DrawContext) -> None:
cairo_ctx = ctx.ctx
x, y = ctx.viewport_transform(self._ppc[0])[:-1]
cairo_ctx.arc(x, y, 5, 0, 2 * np.pi)
cairo_ctx.fill()