def test_extras():
pp.init((800, 600))
el = pp.EventListener()
arr = np.arange(1, 101).reshape(10, 10)
pp.display(
pp.compose(pp.empty_surface(0))(pp.Surface(scale=1)(
pp.mat_to_surface(arr))))
el.wait_for_seconds(1)
pp.display(
pp.compose(pp.empty_surface(0))(pp.Surface(scale=1)(pp.mat_to_surface(
arr, pp.apply_color_map("autumn")))))
el.wait_for_seconds(1)
_test_transparency_mask()
el.wait_for_seconds(1)
_test_transparency_colorkey()
el.wait_for_seconds(1)
def _test_transparency_mask():
mask = np.ones((100, 100), dtype=bool)
mask[:, :50] = 0
img = pp.mat_to_surface(np.random.randint(0, 255, (100, 100)))
pp.display(
pp.compose(pp.empty_surface(0))(pp.make_transparent_by_mask(img,
mask)))
def render_trial_screen(word, font_color, target):
return compose(_bg(), LinLayout("v"))(
# Create the Text
text("Which color is named by the letters?" if target ==
"text" else "What's the color of the word?"),
# Create the stimulus, and scale it down a little.
Padding.from_scale(0.3)(text(word, font_color)),
LLItem(1))
def display_intro(el: EventListener):
# the first argument for slide_show must be an iterable of pygame.Surface
# to create it we render the text onto an empty surface with the map()
# function. slide_show displays one slide, and then calls the function that
# is passed to it as second argument. When this function returns, the next
# slide is displayed and the function is called again. The function that is
# passed simply waits for the return key
slides = map(lambda s: compose(_bg())(text(s)), intro_text)
slide_show(slides, lambda: el.wait_for_keys(pygame.K_RETURN))
def render_train_screen(show_mapping, stim_type, target_color):
# the contents are aranged in a vertical layout, topmost is the
# title "target color", followed by the stim for training (either a
# square containing the color, or the word naming the color)
# in the Bottom there is the information which key is mapped to which
# color. But its only displayed optionally
return compose(_bg(), LinLayout("v"))(
# Create the Text
text("target color:"),
# Create the stimulus, and scale it down a little.
Padding.from_scale(0.3)(make_train_stim(stim_type, target_color)),
# Up till here the content is static, but displaying the mapping is optionally
# and depends on the parameter, therefore we either add the mapping, or
# an LLItem(1) as placeholder
make_color_mapping() if show_mapping else LLItem(1))
def display_text(text, bg_color):
pp.display(
pp.compose(pp.empty_surface(bg_color))(pp.Text(text,
pp.Font(size=60),
color=pp.rgba(white))))
def display_text(s: str):
display(compose(_bg())(text(s)))
def _test_transparency_colorkey():
tra_img = pp.compose(pp.empty_surface(0))(pp.empty_surface(20, (200, 200)))
tra_img = pp.make_transparent_by_colorkey(tra_img, 20)
pp.display(pp.compose(pp.empty_surface(0xFF0000))(tra_img))
