def benchmark_draw_path_flags(cycles=10, n_pts=1000, sz=(1000, 1000)):
print('realtime:', end=' ')
width, height = sz
pts = zeros((n_pts, 2), Float)
x = pts[:, 0]
y = pts[:, 1]
interval = width / float(n_pts)
x[:] = arange(0, width, interval)
flags = [
kiva.FILL, kiva.EOF_FILL, kiva.STROKE, kiva.FILL_STROKE,
kiva.EOF_FILL_STROKE
]
for flag in flags:
t1 = time.clock()
for i in range(cycles):
gc = agg.GraphicsContextBitmap(sz)
y[:] = height / 2. + height / 2. * sin(x * 2 * pi / width +
i * interval)
gc.lines(pts)
gc.draw_path(flag)
t2 = time.clock()
agg.write_bmp_rgb24("draw_path%d.bmp" % flag, gc.bitmap)
tot_time = t2 - t1
print('tot,per cycle:', tot_time, tot_time / cycles)
return
def benchmark_compiled_path(cycles=10, n_pts=1000, sz=(1000, 1000)):
""" Render a sin wave to a compiled_path then display it repeatedly.
"""
width, height = sz
pts = zeros((n_pts, 2), Float)
x = pts[:, 0]
y = pts[:, 1]
interval = width / float(n_pts)
x[:] = arange(0, width, interval)
y[:] = height / 2. + height / 2. * sin(x * 2 * pi / n_pts)
path = agg.CompiledPath()
path.lines(pts)
#path.move_to(pts[0,0],pts[0,1])
#for x,y in pts[1:]:
# path.line_to(x,y)
t1 = time.clock()
gc = agg.GraphicsContextBitmap(sz)
for i in range(cycles):
#gc.clear()
gc.add_path(path)
gc.stroke_path()
t2 = time.clock()
tot_time = t2 - t1
print('tot,per cycle:', tot_time, tot_time / cycles)
return
def benchmark_draw_path_flags(cycles=10, n_pts=1000, sz=(1000, 1000)):
print("realtime:", end=" ")
width, height = sz
pts = zeros((n_pts, 2), float)
x = pts[:, 0]
y = pts[:, 1]
interval = width / float(n_pts)
x[:] = arange(0, width, interval)
flags = [
kiva.FILL,
kiva.EOF_FILL,
kiva.STROKE,
kiva.FILL_STROKE,
kiva.EOF_FILL_STROKE,
]
for flag in flags:
t1 = perf_counter()
for i in range(cycles):
# TODO: module 'kiva.agg' has no attribute 'GraphicsContextBitmap'
gc = agg.GraphicsContextBitmap(sz)
y[:] = height / 2.0 + height / 2.0 * sin(x * 2 * pi / width +
i * interval)
gc.lines(pts)
gc.draw_path(flag)
t2 = perf_counter()
agg.write_bmp_rgb24("draw_path%d.bmp" % flag, gc.bitmap)
tot_time = t2 - t1
print("tot,per cycle:", tot_time, tot_time / cycles)
return
def benchmark_real_time(cycles=10, n_pts=1000, sz=(1000, 1000)):
""" Render a sin wave to the screen repeatedly. Clears
the screen between each rendering.
"""
print('realtime:', end=' ')
width, height = sz
pts = zeros((n_pts, 2), Float)
x = pts[:, 0]
y = pts[:, 1]
interval = width / float(n_pts)
x[:] = arange(0, width, interval)
t1 = time.clock()
gc = agg.GraphicsContextBitmap(sz)
for i in range(cycles):
y[:] = height / 2. + height / 2. * sin(x * 2 * pi / width +
i * interval)
#gc.clear()
gc.lines(pts)
gc.stroke_path()
#agg.write_bmp_rgb24("sin%d.bmp" % i,gc.bitmap)
t2 = time.clock()
tot_time = t2 - t1
print('tot,per cycle:', tot_time, tot_time / cycles)
return
def benchmark_real_time(cycles=10, n_pts=1000, sz=(1000, 1000)):
""" Render a sin wave to the screen repeatedly. Clears
the screen between each rendering.
"""
print("realtime:", end=" ")
width, height = sz
pts = zeros((n_pts, 2), float)
x = pts[:, 0]
y = pts[:, 1]
interval = width / float(n_pts)
x[:] = arange(0, width, interval)
t1 = perf_counter()
# TODO: module 'kiva.agg' has no attribute 'GraphicsContextBitmap'
gc = agg.GraphicsContextBitmap(sz)
for i in range(cycles):
y[:] = height / 2.0 + height / 2.0 * sin(x * 2 * pi / width +
i * interval)
# gc.clear()
gc.lines(pts)
gc.stroke_path()
# agg.write_bmp_rgb24("sin%d.bmp" % i,gc.bitmap)
t2 = perf_counter()
tot_time = t2 - t1
print("tot,per cycle:", tot_time, tot_time / cycles)