def test_0_100(self, colors, colorspace):
"""Test 0% and 100% in different colorspaces."""
white = qtutils.interpolate_color(colors.white, colors.black, 0,
colorspace)
black = qtutils.interpolate_color(colors.white, colors.black, 100,
colorspace)
assert Color(white) == colors.white
assert Color(black) == colors.black
def test_interpolation_alpha(self, colorspace):
"""Test interpolation of colorspace's alpha."""
start = Color(0, 0, 0, 30)
stop = Color(0, 0, 0, 100)
color = qtutils.interpolate_color(start, stop, 50, colorspace)
expected = Color(0, 0, 0, 65)
assert Color(color) == expected
def test_interpolation_none(self, percentage, expected):
"""Test an interpolation with a gradient turned off."""
color = qtutils.interpolate_color(testutils.Color(0, 0, 0),
testutils.Color(255, 255, 255),
percentage, None)
assert isinstance(color, QColor)
assert testutils.Color(color) == testutils.Color(*expected)
def test_interpolation_hsv(self):
"""Test an interpolation in the HSV colorspace."""
start = Color()
stop = Color()
start.setHsv(0, 40, 100)
stop.setHsv(0, 20, 200)
color = qtutils.interpolate_color(start, stop, 50, QColor.Hsv)
expected = Color()
expected.setHsv(0, 30, 150)
assert Color(color) == expected
def _on_load_progress(self, tab, perc):
"""Adjust tab indicator on load progress."""
try:
idx = self._tab_index(tab)
except TabDeletedError:
# We can get signals for tabs we already deleted...
return
start = config.cache['colors.tabs.indicator.start']
stop = config.cache['colors.tabs.indicator.stop']
system = config.cache['colors.tabs.indicator.system']
color = qtutils.interpolate_color(start, stop, perc, system)
self.widget.set_tab_indicator_color(idx, color)
self.widget.update_tab_title(idx)
if idx == self.widget.currentIndex():
self._update_window_title()
def _on_load_finished(self, tab, ok):
"""Adjust tab indicator when loading finished."""
try:
idx = self._tab_index(tab)
except TabDeletedError:
# We can get signals for tabs we already deleted...
return
if ok:
start = config.cache['colors.tabs.indicator.start']
stop = config.cache['colors.tabs.indicator.stop']
system = config.cache['colors.tabs.indicator.system']
color = qtutils.interpolate_color(start, stop, 100, system)
else:
color = config.cache['colors.tabs.indicator.error']
self.widget.set_tab_indicator_color(idx, color)
if idx == self.widget.currentIndex():
tab.private_api.handle_auto_insert_mode(ok)
def get_status_color(self, position):
"""Choose an appropriate color for presenting the download's status.
Args:
position: The color type requested, can be 'fg' or 'bg'.
"""
assert position in ["fg", "bg"]
start = getattr(config.val.colors.downloads.start, position)
stop = getattr(config.val.colors.downloads.stop, position)
system = getattr(config.val.colors.downloads.system, position)
error = getattr(config.val.colors.downloads.error, position)
if self.error_msg is not None:
assert not self.successful
return error
elif self.stats.percentage() is None:
return start
else:
return qtutils.interpolate_color(
start, stop, self.stats.percentage(), system)
def test_interpolation_rgb(self):
"""Test an interpolation in the RGB colorspace."""
color = qtutils.interpolate_color(Color(0, 40, 100), Color(0, 20, 200),
50, QColor.Rgb)
assert Color(color) == Color(0, 30, 150)
def test_invalid_colorspace(self, colors):
"""Test an invalid colorspace."""
with pytest.raises(ValueError):
qtutils.interpolate_color(colors.white, colors.black, 10,
QColor.Cmyk)
def test_invalid_percentage(self, colors, perc):
"""Test an invalid percentage."""
with pytest.raises(ValueError):
qtutils.interpolate_color(colors.white, colors.white, perc)
def test_invalid_end(self, colors):
"""Test an invalid end color."""
with pytest.raises(qtutils.QtValueError):
qtutils.interpolate_color(colors.white, Color(), 0)
def test_invalid_start(self, colors):
"""Test an invalid start color."""
with pytest.raises(qtutils.QtValueError):
qtutils.interpolate_color(Color(), colors.white, 0)