def cache_color(self, input_color, opacity=1):
## Two tuple types, 0-1 or 0-256
if isinstance(input_color, tuple):
if isinstance(input_color[0], float):
rtrn_color = *input_color, opacity
return skia.Color(*rtrn_color)
R = int(input_color[3] * 255.0)
G = int(input_color[5] * 255.0)
B = int(input_color[7] * 255.0)
A = int(opacity * 255)
return skia.Color(R, G, B, A)
elif isinstance(input_color[0], int):
R = int(input_color[3])
G = int(input_color[5])
B = int(input_color[7])
A = int(opacity * 255)
return skia.Color(R, G, B, A)
## Two types of color strings: Html color names and hex
if isinstance(input_color, str):
##
if input_color.lower() in BaseBackend.color_names:
input_color = BaseBackend.color_names[input_color.lower()]
if '#' in input_color and len(input_color) == 7:
## Hex string color
R = int(int(input_color[1:3], 16))
G = int(int(input_color[3:5], 16))
B = int(int(input_color[5:7], 16))
A = int(opacity * 255)
return skia.Color(R, G, B, A)
def _from_whatever(x) -> int:
if isinstance(x, str):
return Color._from_hex(x) if x.startswith('#') else Color._from_name(x)
elif isinstance(x, (tuple, list)):
if len(x) == 4:
return skia.Color(*x)
else:
return skia.Color(*x, 255)
else:
return x
def make_colour(hex_string, opacity):
if hex_string.startswith('#'):
if len(hex_string) == 4:
rgb = tuple(2 * c for c in hex_string[1:])
else:
rgb = tuple(hex_string[n:n + 2] for n in range(1, 6, 2))
colour = tuple(int(c, 16) for c in rgb)
return skia.Color(*colour, int(255 * opacity))
else:
return skia.Color(0, 0, 0, 128)
def _from_hex(color_hex: str) -> int:
color_hex = color_hex.lstrip('#')
if len(color_hex) in (3, 4):
color_hex = ''.join(c+c for c in color_hex)
assert len(color_hex) in (6, 8), f"The length of color_hex must be 3, 4, 6 or 8, not {len(color_hex)}."
channels = [int(color_hex[i:i+2], 16) for i in range(0, len(color_hex), 2)]
if len(channels) == 3:
channels.append(255)
return skia.Color(*channels)
def make_colour(colour_string, opacity=1.0):
if colour_string.startswith('#'):
colour = webcolors.hex_to_rgb(colour_string)
elif colour_string.startswith('rgb('):
rgb = colour_string[4:-1].split(',')
if '%' in colour_string:
colour = webcolors.rgb_percent_to_rgb(rgb)
else:
colour = [int(c) for c in rgb]
else:
colour = webcolors.html5_parse_legacy_color(colour_string)
return skia.Color(*tuple(colour), int(255*opacity))
def render_gui():
try:
with skia_surface(window) as surface:
with surface as canvas:
canvas.clear(skia.Color(0, 0, 0))
scroll = db['gui_status'].get('scroll_x')['value'], db['gui_status'].get('scroll_y')['value']
canvas.translate(*scroll)
for widget in db['widget'].rows:
blob = skia.TextBlob.MakeFromString(widget['text'], font)
canvas.save()
canvas.drawRect(skia.Rect(widget['x'], widget['y'], widget['x']+widget['width'], widget['y']+widget['height']),
skia.Paint(AntiAlias=True, Style=skia.Paint.kFill_Style, Color=skia.ColorBLUE))
canvas.clipRect(skia.Rect(widget['x'], widget['y'], widget['x']+widget['width'], widget['y']+widget['height']))
canvas.drawTextBlob(blob, widget['x'], widget['y']+widget['height'], skia.Paint(AntiAlias=True, Color=skia.Color(255, 255, 255)))
canvas.restore()
surface.flushAndSubmit()
glfw.swap_buffers(window)
except Exception as e:
traceback.print_exc()
def test_Color(args):
assert isinstance(skia.Color(*args), int)
cells[cur_cell].output = traceback.format_exc()
with surface as canvas:
# ensure cursor is visible
target_scroll[1] = clamp(cursor.line * -line_height,
(cursor.line + 2) * -line_height +
HEIGHT, target_scroll[1])
M = canvas.getTotalMatrix()
if abs(target_scroll[1] - M.getTranslateY()) > 2:
canvas.translate(
0, (target_scroll[1] - M.getTranslateY()) * 0.2)
elif abs(target_scroll[1] - M.getTranslateY()) > 1: # snap
canvas.translate(0, target_scroll[1] - M.getTranslateY())
canvas.clear(skia.Color(255, 255, 255))
line = 1
for c in cells:
if cursor._buf == c.input:
# draw cursor
canvas.drawRect(
skia.Rect.MakeXYWH(
cursor.column * col_width,
line_height * (line - 1) +
cursor.line * line_height + 4, 2, line_height),
input_paint)
# display input
for l in c.input.as_str().split('\n'):
canvas.drawString(l, 0, line_height * line, font,
input_paint)