def test_fx_red(ctx):
#img = Image.new((64, 64)) # TODO make the gradient, oops
black = RGBColor(0., 0., 0.)
white = RGBColor(1., 1., 1.)
img = gradient((64, 64), black, white)
img = image_filter(lambda *a: black)(*img, channel=Channel.blue | Channel.green)
ctx.compare(img, 'fx_red.miff')
def test_rose_contrast2(ctx):
img = builtins.rose
# -evaluate clamps after every operation
img = image_filter(lambda px: (px.color - 0.125).clamped() * 2)(*img)
ctx.compare(img, 'rose_contrast2.miff')
def test_rose_decontrast(ctx):
img = builtins.rose
# -evaluate clamps after every operation
img = image_filter(lambda px: (px.color * 0.5).clamped() + 0.25)(*img)
ctx.compare(img, 'rose_decontrast.miff')
def test_rose_set_gray(ctx):
img = builtins.rose
img = image_filter(lambda px: GrayColor(0.5))(*img)
ctx.compare(img, 'rose_set_gray.miff')
def test_fx_rose_brighten(ctx):
img = builtins.rose
img = image_filter(lambda px: px.color * 1.5)(*img)
ctx.compare(img, 'fx_rose_brighten.miff')
def test_fx_navy(ctx):
img = Image.new((64, 64), fill=RGBColor(0., 0., 0.))
gray = RGBColor(0.5, 0.5, 0.5)
img = image_filter(lambda *a: gray)(*img, channel=Channel.blue)
ctx.compare(img, 'fx_navy.miff')
