def test_create(self):
""" module canvas: Canvas.__init__()
"""
self.assertTrue(isinstance(Canvas(), Canvas))
self.assertTrue(isinstance(Canvas(10, 10), Canvas))
self.assertRaises(CanvasError, Canvas, "a", 12)
self.assertRaises(CanvasError, Canvas, 12, "a")
def main():
""" Main function. """
try:
pig = Canvas(0, 0)
pig.import_from_memory(STRING, "text")
cv = Canvas(pig.get_width() * 2, pig.get_height() * 2)
except CanvasError as err:
sys.stderr.write("%s\n" % err)
sys.exit(2)
cv.blit(0, 0, pig, NullCanvas())
pig.flip()
cv.blit(pig.get_width(), 0, pig, NullCanvas())
pig.flip()
pig.flop()
cv.blit(0, pig.get_height(), pig, NullCanvas())
pig.flop()
pig.rotate_180()
cv.blit(pig.get_width(), pig.get_height(), pig, NullCanvas())
for j in range(0, cv.get_height()):
for i in range(0, cv.get_width(), 2):
cv.set_color_ansi(caca.COLOR_LIGHTBLUE + (i + j) % 6,
caca.COLOR_DEFAULT)
a = cv.get_attr(-1, -1)
cv.put_attr(i, j, a)
cv.put_attr(i+1, j, a)
print("%s" % cv.export_to_memory('utf8'))
cv.rotate_left()
print("%s" % cv.export_to_memory('utf8'))
def test_blit(self):
""" module canvas: Canvas.blit()
"""
cv1 = Canvas(10, 1)
cv2 = Canvas(10, 1)
cv2.put_str(0, 0, "teststring")
self.assertEqual(0, cv1.blit(0, 0, cv2))
self.assertEqual("teststring",
cv1.export_to_memory("utf8").strip('\n'))
self.assertRaises(CanvasError, cv1.blit, 0, 0, "abc")
self.assertRaises(CanvasError, cv1.blit, "a", 0, cv2)
def test_blit_mask(self):
""" module canvas: Canvas.blit() (with mask)
"""
cv1 = Canvas(10, 1)
cv2 = Canvas(10, 1)
mask = Canvas(10, 1)
badm = Canvas()
cv2.put_str(0, 0, "teststring")
mask.put_str(0, 0, "####")
self.assertEqual(0, cv1.blit(0, 0, cv2, mask))
self.assertEqual("test ",
cv1.export_to_memory("utf8").strip("\n"))
self.assertRaises(CanvasError, cv1.blit, 0, 0, cv2, badm)
def test_draw_thin_triangle(self):
""" module canvas: Canvas.draw_thin_triangle()
"""
cv = Canvas(10, 10)
self.assertEqual(0, cv.draw_thin_triangle(0, 0, 2, 2, 4, 0))
self.assertRaises(CanvasError, cv.draw_thin_triangle, 0, 0, 2, 2, 4,
'#')
def get_canvas(self):
""" Get the canvas attached to a caca graphical context.
"""
_lib.caca_get_canvas.argtypes = [_Display]
_lib.caca_get_canvas.restype = ctypes.POINTER(ctypes.c_char_p)
return Canvas(pointer=_lib.caca_get_canvas(self))
def main():
""" Main function. """
if len(sys.argv) < 3:
sys.stderr.write("Usage: %s <figfont file> <word>\n" \
% os.path.basename(sys.argv[0]))
sys.exit(2)
try:
cv = Canvas(0, 0)
except CanvasError as err:
sys.stderr.write("%s\n" % err)
sys.exit(2)
if cv.set_figfont(sys.argv[1]):
sys.stderr.write("Could not open font...\n")
sys.exit(2)
if sys.version_info[0:2] >= (3, 0):
word = sys.argv[2]
else:
word = codecs.decode(sys.argv[2], "utf8")
for c in word:
cv.put_figchar(c)
sys.stderr.write(cv.export_to_memory("utf8"))
def test_fill_ellipse(self):
""" module canvas: Canvas.fill_ellipse()
"""
cv = Canvas(10, 10)
self.assertEqual(0, cv.fill_ellipse(5, 5, 3, 3, '#'))
self.assertRaises(CanvasError, cv.fill_ellipse, 0, 0, 3, '#', '#')
self.assertRaises(CanvasError, cv.fill_ellipse, 0, 0, 3, 3, 0)
def test_enable_dirty_rect(self):
""" module canvas: Canvas.enable_dirty_rect()
"""
cv = Canvas()
self.assertRaises(CanvasError, cv.enable_dirty_rect)
cv.disable_dirty_rect()
self.assertEqual(0, cv.enable_dirty_rect())
def test_fill_box(self):
""" module canvas: Canvas.fill_box()
"""
cv = Canvas(10, 10)
self.assertEqual(0, cv.fill_box(0, 0, 2, 2, '#'))
self.assertRaises(CanvasError, cv.fill_box, 0, 0, 2, '#', '#')
self.assertRaises(CanvasError, cv.fill_box, 0, 0, 2, 2, 0)
def test_draw_thin_line(self):
""" module canvas: Canvas.draw_thin_line()
"""
cv = Canvas(10, 1)
cv.draw_thin_line(0, 0, 10, 1)
self.assertEqual("-" * 10, cv.export_to_memory("utf8").strip('\n'))
self.assertRaises(CanvasError, cv.draw_thin_line, 0, "a", 10, 1)
def test_draw_circle(self):
""" module canvas: Canvas.draw_circle()
"""
cv = Canvas(10, 10)
self.assertEqual(0, cv.draw_circle(5, 5, 3, '#'))
self.assertRaises(CanvasError, cv.draw_circle, 0, 0, '#', '#')
self.assertRaises(CanvasError, cv.draw_circle, 0, 0, 3, 0)
def test_remove_dirty_rect(self):
""" module canvas: Canvas.remove_dirty_rect()
"""
cv = Canvas(10, 10)
cv.add_dirty_rect(4, 4, 2, 2)
self.assertEqual(0, cv.remove_dirty_rect(4, 4, 2, 2))
self.assertRaises(CanvasError, cv.remove_dirty_rect, 11, 11, 20, 20)
def test_fill_triangle(self):
""" module canvas: Canvas.fill_triangle()
"""
cv = Canvas(10, 10)
self.assertEqual(0, cv.fill_triangle(0, 0, 2, 2, 4, 0, '#'))
self.assertRaises(CanvasError, cv.fill_triangle, 0, 0, 2, 2, 4, '#',
'#')
self.assertRaises(CanvasError, cv.fill_triangle, 0, 0, 2, 2, 4, 0, 0)
def test_gotoxy(self):
""" module canvas: Canvas.gotoxy()
"""
cv = Canvas(10, 10)
cv.gotoxy(5, 5)
self.assertEqual((5, 5), (cv.wherex(), cv.wherey()))
self.assertRaises(CanvasError, cv.gotoxy, "a", 9)
self.assertRaises(CanvasError, cv.gotoxy, 9, "a")
def test_draw_thin_polyline(self):
""" module canvas: Canvas.draw_thin_polyline()
"""
cv = Canvas(10, 10)
self.assertEqual(
0, cv.draw_thin_polyline([(0, 0), (2, 2), (5, 2), (0, 0)]))
self.assertRaises(CanvasError, cv.draw_thin_polyline, [])
self.assertRaises(CanvasError, cv.draw_thin_polyline, [0, 1, 2, 4])
def test_set_handle(self):
""" module canvas: Canvas.set_handle()
"""
cv = Canvas(10, 5)
self.assertEqual(0, cv.set_handle(3, 3))
self.assertEqual((3, 3), (cv.get_handle_x(), cv.get_handle_y()))
self.assertRaises(CanvasError, cv.set_handle, "a", 1)
self.assertRaises(CanvasError, cv.set_handle, 1, "a")
def test_clear(self):
""" module canvas: Canvas.clear()
"""
cv = Canvas(5, 1)
cv.put_str(0, 0, "test!")
cv.clear()
data = cv.export_to_memory("utf8").strip('\n')
self.assertEqual(" ", data)
def test_set_size(self):
""" module canvas: Canvas.set_size()
"""
cv = Canvas(0, 0)
cv.set_size(1234, 1001)
self.assertEqual((1234, 1001), (cv.get_width(), cv.get_height()))
self.assertRaises(CanvasError, cv.set_size, "a", 12)
self.assertRaises(CanvasError, cv.set_size, 12, "a")
def test_put_char(self):
""" module canvas: Canvas.put_char()
"""
cv = Canvas(10, 1)
self.assertEqual(1, cv.put_char(0, 0, "z"))
self.assertEqual(1, cv.put_char(1, 0, "é"))
self.assertEqual("z", cv.get_char(0, 0))
self.assertEqual("é", cv.get_char(1, 0))
self.assertRaises(CanvasError, cv.put_char, "a", 1, 2)
self.assertRaises(CanvasError, cv.put_char, "a", 1, "b")
def test_set_boundaries(self):
""" module canvas: Canvas.set_boundaries()
"""
cv = Canvas()
self.assertEqual(0, cv.set_boundaries(0, 0, 10, 10))
self.assertEqual((10, 10), (cv.get_width(), cv.get_height()))
self.assertEqual(0, cv.set_boundaries(0, 0, 5, 5))
self.assertEqual((5, 5), (cv.get_width(), cv.get_height()))
self.assertRaises(CanvasError, cv.set_boundaries, "a", 0, 10, 10)
self.assertRaises(CanvasError, cv.set_boundaries, 0, 0, "abc", 10)
def main():
""" Main function. """
try:
cv = Canvas(8, 2)
except CanvasError as err:
sys.stderr.write("%s\n" % err)
sys.exit(127)
cv.set_color_ansi(caca.COLOR_WHITE, caca.COLOR_BLACK)
cv.put_str(0, 0, "ABcde")
cv.set_color_ansi(caca.COLOR_LIGHTRED, caca.COLOR_BLACK)
cv.put_str(5, 0, "\\o/")
cv.set_color_ansi(caca.COLOR_WHITE, caca.COLOR_BLUE)
cv.put_str(0, 1, "&$âøÿØ?!")
fonts = caca.get_font_list()
if not fonts:
sys.stderr.write("libcaca was compiled without any fonts\n")
sys.exit(127)
try:
f = Font(fonts[0])
except FontError as err:
sys.stderr.write("%s\n" % err)
sys.exit(127)
w = cv.get_width() * f.get_width()
h = cv.get_height() * f.get_height()
buf = ctypes.c_buffer(4 * w * h)
cv.render(f, buf, w, h, 4 * w)
cv.set_size(80, 32)
try:
dp = Display(cv)
except DisplayError as err:
sys.stderr.write("%s\n" % err)
sys.exit(127)
try:
if sys.byteorder == 'big':
dit = Dither(32, w, h, 4 * w, 0xff0000, 0xff00, 0xff, 0xff000000)
else:
dit = Dither(32, w, h, 4 * w, 0xff00, 0xff0000, 0xff000000, 0xff)
dit.bitmap(cv, 0, 0, cv.get_width(), cv.get_height(), buf)
except DitherError as err:
sys.stderr.write("%s\n" % err)
sys.exit(127)
else:
dp.refresh()
dp.get_event(caca.EVENT_KEY_PRESS, Event(), -1)
def test_put_str(self):
""" module canvas: Canvas.put_str()
"""
cv = Canvas(10, 1)
self.assertEqual(10, cv.put_str(0, 0, "teststring"))
liststring = []
for i in range(0, 10):
liststring.append(cv.get_char(i, 0))
self.assertEqual("teststring", "".join(liststring))
self.assertRaises(CanvasError, cv.put_str, 0, 0, 111)
self.assertRaises(CanvasError, cv.put_str, 0, "z", "abc")
def test_printf(self):
""" module canvas: Canvas.printf()
"""
word1, word2 = "test", "string"
cv = Canvas(10, 1)
self.assertEqual(10, cv.printf(0, 0, "%s%s", word1, word2))
liststring = []
for i in range(0, 10):
liststring.append(cv.get_char(i, 0))
self.assertEqual("teststring", "".join(liststring))
self.assertRaises(CanvasError, cv.printf, 0, 0, 111)
self.assertRaises(CanvasError, cv.printf, 0, "z", "abc %s", "def")
def main():
""" Main function. """
try:
cv = Canvas(0, 0)
dp = Display(cv)
except (CanvasError, DisplayError) as err:
sys.stderr.write("%s\n" % err)
sys.exit(2)
sprite = Canvas(0, 0)
sprite.set_color_ansi(caca.COLOR_LIGHTRED, caca.COLOR_BLACK)
sprite.import_from_memory(THE_PIG, "text")
sprite.set_handle(sprite.get_width()//2, sprite.get_height()//2)
cv.set_color_ansi(caca.COLOR_WHITE, caca.COLOR_BLUE)
cv.put_str(0, 0, "Centered sprite")
cv.blit(cv.get_width()//2, cv.get_height()//2, sprite, NullCanvas())
dp.refresh()
dp.get_event(caca.EVENT_KEY_PRESS, Event(), -1)
sys.exit(0)
def main():
""" Main function. """
try:
cv = Canvas(80, 24)
dp = Display(cv)
except (CanvasError, DisplayError) as err:
sys.stderr.write("%s\n" % err)
sys.exit(127)
cv.set_color_ansi(caca.COLOR_LIGHTGRAY, caca.COLOR_BLACK)
cv.clear()
for i in range(0, 16):
if i >= 8:
y = i + 3
else:
y = i + 2
cv.set_color_ansi(caca.COLOR_LIGHTGRAY, caca.COLOR_BLACK)
cv.printf(3, y, "ANSI %i", i)
for j in range(0, 16):
if j >= 8:
x = 13 + (j * 4)
else:
x = 12 + (j * 4)
if i >= 8:
y = i + 3
else:
y = i + 2
cv.set_color_ansi(i, j)
cv.put_str(x, y, "Aaホ")
cv.set_color_ansi(caca.COLOR_LIGHTGRAY, caca.COLOR_BLACK)
cv.put_str(
3, 20,
"This is bold This is blink This is italics This is underline"
)
cv.set_attr(caca.STYLE_BOLD)
cv.put_str(3 + 8, 20, "bold")
cv.set_attr(caca.STYLE_BLINK)
cv.put_str(3 + 24, 20, "blink")
cv.set_attr(caca.STYLE_ITALICS)
cv.put_str(3 + 41, 20, "italics")
cv.set_attr(caca.STYLE_UNDERLINE)
cv.put_str(3 + 60, 20, "underline")
dp.refresh()
dp.get_event(caca.EVENT_KEY_PRESS, Event(), -1)
def __init__(self, app, spec):
self.app = app
self.initialize_spec_and_state(spec)
self.dirty = False
self.buffer = None
self.width = self.current_state["width"]
self.height = self.current_state["height"]
if self.specifies('name'):
self.name = spec["name"]
else:
self.name = "Unknown"
if self.specifies("height") and self.specifies("width"):
self.canvas = Canvas(spec["width"],
spec["height"])
self.canvas.set_color_ansi(caca.COLOR_WHITE, caca.COLOR_BLACK)
else:
self.canvas = Canvas(0, 0)
self.canvas.set_color_ansi(caca.COLOR_WHITE, caca.COLOR_BLACK)
logging.debug("Spec for widget:")
logging.debug(str(self.spec))
self.build_all()
def __init__(self, app, spec, driver='gl'):
self.app = app
self.spec = spec
self.widgets = []
self.focus_order = None
self.parser = FileParser(self.app)
self.widgets = self.parser.parse(self.spec["widgets"])
self.canvas = Canvas(self.spec["app"]["width"],
self.spec["app"]["height"])
self.display = Display(self.canvas)
self.display.set_driver(driver)
if len(self.widgets) > 0:
self.focused_widget = self.widgets[0]
self.build_focus_order()
def main():
""" Main function. """
try:
cv = Canvas(0, 0)
except CanvasError as err:
sys.stderr.write("%s\n" % err)
sys.exit(2)
for idx in range(1, 200):
cv.create_frame(idx)
sys.stderr.write("canvas created, size is %dx%d\n" \
% (cv.get_width(), cv.get_height()))
cv.set_size(150, 80)
sys.stderr.write("canvas expanded, size is %dx%d\n" \
% (cv.get_width(), cv.get_height()))
for idx in range(0, 16):
cv.set_frame(idx)
cv.set_color_ansi(caca.COLOR_WHITE, idx)
cv.fill_box(0, 0, 40, 15, ':')
cv.set_color_ansi(caca.COLOR_WHITE, caca.COLOR_BLUE)
cv.put_str((idx * 5) // 2, idx, "カカ")
cv.set_color_ansi(caca.COLOR_DEFAULT, caca.COLOR_TRANSPARENT)
cv.set_size(41, 16)
sys.stderr.write("canvas shrinked, size is %dx%d\n" \
% (cv.get_width(), cv.get_height()))
try:
dp = Display(cv)
except DisplayError as err:
sys.stderr.write("%s\n" % err)
sys.exit(2)
dp.set_time(50000)
sys.stderr.write("display attached, size is %dx%d\n" \
% (cv.get_width(), cv.get_height()))
n = 0
while not dp.get_event(caca.EVENT_KEY_PRESS, Event(), 0):
cv.set_frame(n % 16)
dp.refresh()
n += 1
def __init__(self, *args, **kwargs):
"""
"""
KinematicServer.__init__(self, *args, **kwargs)
self.robots = [
r for (name, r) in self.elements.items() if isinstance(r, Robot)
]
self.cv = Canvas()
self.dp = Display(self.cv)
self.ev = Event()
self.quit = False
self.width = self.cv.get_width()
self.height = self.cv.get_height()
self.camera = Camera(self, 640, 480)
self.camera.translation = [3.5, 0, 1]
self.camera.init()
self.fps = -1.0
self.frames = 0
self.last_t = 0
