def create_graphics_context(self, width=300, height=300):
from reportlab.pdfgen.canvas import Canvas
from kiva.pdf import GraphicsContext
filename = "{0}.pdf".format(self.filename)
canvas = Canvas(filename, (width, height))
return GraphicsContext(canvas)
def font_metrics_provider():
from reportlab.pdfgen.canvas import Canvas
from reportlab.lib.pagesizes import letter
from kiva.api import Font
# a file will not be created unless save() is called on the context
pdf_canvas = Canvas(filename="enable_tmp.pdf", pagesize=letter)
gc = GraphicsContext(pdf_canvas)
gc.set_font(Font())
return gc
gc.set_stroke_color((0.0, 0.0, 0.0, 1.0))
gc.move_to(w / 3, h / 2)
gc.arc_to(w / 3, 2 * h / 3,
w / 2, 2 * h / 3,
r)
gc.arc_to(2 * w / 3, 2 * h / 3,
2 * w / 3, h / 2,
r)
gc.arc_to(2 * w / 3, h / 3,
w / 2, h / 3,
r)
gc.arc_to(w / 3, h / 3,
w / 3, h / 2,
r)
gc.line_to(w / 3, h / 2)
gc.stroke_path()
canvas = Canvas(filename="arcs.pdf", pagesize=letter)
gc = GraphicsContext(canvas)
gc.set_alpha(0.3)
gc.set_stroke_color((1.0, 0.0, 0.0))
gc.set_fill_color((0.0, 1.0, 0.0))
gc.rect(95, 95, 10, 10)
gc.fill_path()
draw_ellipse(gc, 100, 100, 35.0, 25.0, pi / 6)
draw_round_rect(gc)
gc.save()
