def test_scroll_animation_horizontally_from_right_to_left(self):
text_height = 10
font = Font()
font.auto_adjust_font_size_to_height(text_height)
background_color = Color.Red()
effect = TextEffect(Color.Blue(), background_color)
text = "KeesWare"
effect.draw_text(text, font)
effect.crop()
self.image = effect.get_image()
animation_size = (30, 10)
animation = ScrollAnimation(animation_size, self.image,
background_color)
start_point = [animation_size[0], 0]
image_size = self.image.size
end_point = [-image_size[0], 0]
# move by one pixel per frame
frames_amount = image_size[0] + animation_size[0]
animation.pre_render(start_point, end_point, frames_amount)
first_frame = animation[0]
middle_frame = animation[len(animation) / 2]
animation.save("2.gif")
self.assertEqual(first_frame.getpixel((0, 0)),
background_color.get_as_tuple())
self.assertEqual(middle_frame.size, animation_size)
self.assertEqual(middle_frame.getpixel((0, 0)),
background_color.get_as_tuple())
self.assertEqual(middle_frame.getpixel((1, 5)), (0, 0, 255))
self.assertEqual(len(animation), frames_amount)
def recreate_text_effect(self):
try:
self.__logger.info(__name__ + " recreating text effect")
width, height = self.__display.get_size()
font = Font()
font.auto_adjust_font_size_to_height(height)
parameters = TextEffectParameters()
parameters.text_color = Color.from_normalized_float(
self.ids.text_color_button.background_color)
parameters.background_color = Color.from_normalized_float(
self.ids.background_color_button.background_color)
parameters.text = self.ids.text_input.text
parameters.display_size = self.__display.get_size()
parameters.font = font
self.__text_effect.apply(parameters)
except Exception as ex:
self.__logger.info(
__name__ +
" recreate text effect failed with ex={0}".format(ex.message))
popup = ErrorWindow()
popup.gather_traces(ex.message)
Clock.unschedule(self.send_current_frame)
popup.open()
def apply_effect(self, time_delta):
try:
if self.__frame_count % 10 == 0:
self.__logger.debug(
__name__ + " drawing frame {0}".format(self.__frame_count))
self.__frame_count += 1
display_size = Context.get_display().get_size()
effect = RainbowEffectAnimation(display_size)
left_color = self.ids.left_color_button.background_color
left_color_end = self.ids.left_color_button_end.background_color
right_color = self.ids.right_color_button.background_color
right_color_end = self.ids.right_color_button_end.background_color
left_colors = [
Color.from_normalized_float(left_color).rgb,
Color.from_normalized_float(left_color_end).rgb
]
right_colors = [
Color.from_normalized_float(right_color).rgb,
Color.from_normalized_float(right_color_end).rgb
]
effect.set_left_colors(left_colors)
effect.set_right_colors(right_colors)
effect.set_duration(2000)
effect.draw_vertical_rainbow_frame_at(self._time_elapsed)
image = effect.get_image()
self._effect_provider.set_image(image)
self._effect_provider.apply_image()
if self._direction is "Up":
self._time_elapsed += int(time_delta * 1000)
else:
self._time_elapsed -= int(time_delta * 1000)
if self._time_elapsed > 2000:
self._direction = "Down"
self._time_elapsed = 1999
if self._time_elapsed < 0:
self._direction = "Up"
self._time_elapsed = 0
except Exception as ex:
self.__logger.error(__name__ + " drawing frame failed")
popup = ErrorWindow()
popup.gather_traces(ex.message)
Clock.unschedule(self.apply_effect)
popup.open()
def test_generate_initial_frame(self):
size = (17, 10)
effect = RainbowEffectAnimation(size)
left_start_color = Color(255, 0, 0)
left_end_color = Color(0, 0, 0)
right_start_color = Color(0, 0, 255)
right_end_color = Color(0, 255, 0)
duration_in_miliseconds = 2000
effect.set_left_colors([left_start_color.rgb, left_end_color.rgb])
effect.set_right_colors([right_start_color.rgb, right_end_color.rgb])
effect.set_duration(duration_in_miliseconds)
effect.draw_vertical_rainbow_frame_at(0)
image = effect.get_image()
self.assertEqual(image.getpixel((0, 0)), (255, 0, 0))
self.assertEqual(image.getpixel((16, 9)), (0, 0, 255))
self.assertEqual(image.getpixel((8, 4)), (127, 0, 127))
def display_frame(self, image):
(width, height) = image.size
image_length = width * height
strip_length = self._stripe.numPixels()
if image_length != strip_length:
raise AttributeError("trying to display image with different size than the stripe")
for y in range(height):
for x in range(width):
r, g, b = image.getpixel((x, y))
color = Color(r, g, b)
diode_index_in_stripe = y * width
if y % 2 == 0:
diode_index_in_stripe += x
else:
diode_index_in_stripe += (width - 1) - x
self._stripe.setPixelColor(diode_index_in_stripe, color.get_as_int())
self._stripe.show()
def test_paint_straight_line(self):
widget_size = (500, 1000)
display_size = (50, 100)
start_point = [100, 400]
end_point = [400, 800]
brush_color = Color.Blue()
point_size = 1
effect = PaintEffect(display_size, widget_size)
effect.set_point_size(point_size)
effect.set_line_color(brush_color)
effect.draw_lines([start_point, end_point])
image = effect.get_image()
self.assertEqual(image.size, display_size)
self.assertEqual(image.getpixel((10, 40)), brush_color.get_as_tuple())
self.assertEqual(image.getpixel((40, 80)), brush_color.get_as_tuple())
def test_create_30x10_rainbow_image(self):
size = (29, 10)
effect = RainbowEffect(size)
start_color = Color(127, 255, 63)
end_color = Color(255, 0, 180)
effect.draw_vertical_rainbow(start_color, end_color)
image = effect.get_image()
self.assertEqual(image.getpixel((0, 5)), start_color.get_as_tuple())
self.assertEqual(image.getpixel((28, 9)), end_color.get_as_tuple())
self.assertEqual(image.getpixel((14, 0)), (191, 127, 121))
def test_create_3x2_rainbow_image(self):
size = (3, 2)
effect = RainbowEffect(size)
start_color = Color(255, 0, 0)
end_color = Color(0, 0, 255)
effect.draw_vertical_rainbow(start_color, end_color)
image = effect.get_image()
self.assertEqual(image.getpixel((0, 0)), start_color.get_as_tuple())
self.assertEqual(image.getpixel((2, 1)), end_color.get_as_tuple())
self.assertEqual(image.getpixel((1, 1)), (127, 0, 127))
def test_paint_square(self):
widget_size = (500, 1000)
display_size = (50, 100)
points = [[100, 100], [100, 900], [400, 900], [400, 100], [100, 100]]
brush_color = Color.Red()
point_size = 3
effect = PaintEffect(display_size, widget_size)
effect.set_point_size(point_size)
effect.set_line_color(brush_color)
effect.draw_lines(points)
image = effect.get_image()
self.assertEqual(image.size, display_size)
self.assertEqual(image.getpixel((10, 10)), brush_color.get_as_tuple())
self.assertEqual(image.getpixel((10, 90)), brush_color.get_as_tuple())
self.assertEqual(image.getpixel((40, 90)), brush_color.get_as_tuple())
self.assertEqual(image.getpixel((40, 10)), brush_color.get_as_tuple())
def test_paint_cross(self):
widget_size = (500, 1000)
display_size = (50, 100)
vertical_line = [[250, 0], [250, 1000]]
horizontal_line = [[0, 800], [500, 800]]
brush_color = Color.White()
point_size = 5
effect = PaintEffect(display_size, widget_size)
effect.set_point_size(point_size)
effect.set_line_color(brush_color)
effect.draw_lines(vertical_line)
effect.draw_lines(horizontal_line)
image = effect.get_image()
self.assertEqual(image.size, display_size)
self.assertEqual(image.getpixel((25, 0)), brush_color.get_as_tuple())
self.assertEqual(image.getpixel((25, 99)), brush_color.get_as_tuple())
self.assertEqual(image.getpixel((0, 80)), brush_color.get_as_tuple())
self.assertEqual(image.getpixel((49, 80)), brush_color.get_as_tuple())
def test_scroll_animation_horizontally_from_right_to_left_and_down(self):
text_height = 10
font = Font()
font.auto_adjust_font_size_to_height(text_height)
effect = TextEffect()
text = "KeesWare"
effect.draw_text(text, font)
effect.crop()
self.image = effect.get_image()
animation_size = (30, 10)
animation = ScrollAnimation(animation_size, self.image, Color.Black())
start_point = [0, 0]
image_size = self.image.size
end_point = [-image_size[0], -image_size[1]]
# move by one pixel per frame
frames_amount = image_size[0] + animation_size[0]
animation.pre_render(start_point, end_point, frames_amount)
middle_frame = animation[len(animation) / 2 - 1]
self.assertEqual(middle_frame.size, animation_size)
self.assertEqual(middle_frame.getpixel((6, 4)), (255, 255, 255))
self.assertEqual(len(animation), frames_amount)
def test_get_rgba(self):
color = Color(240, 15, 204)
self.assertEqual(color.get_as_rgba_tuple(), (240, 15, 204, 255))
class TestDevice(unittest.TestCase):
def setUp(self):
self.red = Color(255, 0, 0)
self.green = Color(0, 255, 0)
self.blue = Color(0, 0, 255)
self.stripe_factory = MockStripeFactory()
def create_stripe_and_device(self, size):
device = Ws281xDevice(self.stripe_factory, size)
stripe = self.stripe_factory.get_stripe()
return stripe, device
def test_3x1_panel(self):
size = (3, 1)
stripe, device = self.create_stripe_and_device(size)
image = ImageFactory.create_rgb_image(size)
image.putpixel((0, 0), self.red.get_as_tuple())
image.putpixel((1, 0), self.green.get_as_tuple())
image.putpixel((2, 0), self.blue.get_as_tuple())
device.display_frame(image)
self.assertEqual(stripe.getPixelColor(0), self.red.get_as_int())
self.assertEqual(stripe.getPixelColor(1), self.green.get_as_int())
self.assertEqual(stripe.getPixelColor(2), self.blue.get_as_int())
def test_3x2_panel(self):
size = (3, 2)
stripe, device = self.create_stripe_and_device(size)
image = ImageFactory.create_rgb_image(size)
image.putpixel((0, 0), self.red.get_as_tuple())
image.putpixel((1, 0), self.green.get_as_tuple())
image.putpixel((2, 0), self.blue.get_as_tuple())
image.putpixel((0, 1), self.red.get_as_tuple())
image.putpixel((1, 1), self.green.get_as_tuple())
image.putpixel((2, 1), self.blue.get_as_tuple())
device.display_frame(image)
self.assertEqual(stripe.getPixelColor(5), self.red.get_as_int())
self.assertEqual(stripe.getPixelColor(4), self.green.get_as_int())
self.assertEqual(stripe.getPixelColor(3), self.blue.get_as_int())
def setUp(self):
self.red = Color(255, 0, 0)
self.green = Color(0, 255, 0)
self.blue = Color(0, 0, 255)
self.stripe_factory = MockStripeFactory()
def apply(self, parameters):
self.__effect.set_point_size(int(parameters.point_size))
self.__effect.set_line_color(
Color.from_normalized_float(parameters.color))
self.__effect.draw_lines(parameters.points)
def test_to_int(self):
color = Color(255, 255, 255)
self.assertEqual(color.get_as_int(), 16777215)
def test_to_int(self):
color = Color(240, 15, 204)
self.assertEqual(color.get_as_int(), 15732684)
def test_convert_from_normalized_float(self):
normalized_color = (1, 0, 0, 1)
color = Color.from_normalized_float(normalized_color)
self.assertEqual(color.get_as_tuple(), (255, 0, 0))
def __init__(self, size, widget_size):
self.__size = size
self.__widget_size = widget_size
self.__point_size = 10
self.__line_color = Color.White()
self.__image = ImageFactory.create_rgb_image(self.__size)