def render_round_floating_color_chip(cr, x, y, color, radius):
"""Draw a round color chip with a slight drop shadow
Currently used for dismiss/delete buttons and control points.
The button's style is similar to that used for the paint chips
in the dockable palette panel.
"""
x = round(float(x))
y = round(float(y))
cr.save()
cr.set_dash([], 0)
cr.set_line_width(0)
base_col = RGBColor(color=color)
hi_col = _get_paint_chip_highlight(base_col)
xoffs = gui.style.DROP_SHADOW_X_OFFSET
yoffs = gui.style.DROP_SHADOW_Y_OFFSET
blur = gui.style.DROP_SHADOW_BLUR
alpha = gui.style.DROP_SHADOW_ALPHA
drop_shadow = cairo.RadialGradient(
x + xoffs,
y + yoffs,
radius,
x + xoffs,
y + yoffs,
radius + blur,
)
drop_shadow.add_color_stop_rgba(0, 0, 0, 0, alpha)
drop_shadow.add_color_stop_rgba(1, 0, 0, 0, 0.0)
cr.arc(x + xoffs, y + yoffs, radius + blur + 1, 0, 2 * math.pi)
cr.set_source(drop_shadow)
cr.fill()
cr.arc(x, y, radius, 0, 2 * math.pi)
cr.set_source_rgb(*base_col.get_rgb())
cr.fill_preserve()
cr.clip_preserve()
cr.set_source_rgb(*hi_col.get_rgb())
cr.set_line_width(2)
cr.stroke()
cr.restore()
def render_round_floating_color_chip(cr, x, y, color, radius, z=2):
"""Draw a round color chip with a slight drop shadow
:param cairo.Context cr: Context in which to draw.
:param float x: X coordinate of the center pixel.
:param float y: Y coordinate of the center pixel.
:param lib.color.UIColor color: Color for the chip.
:param float radius: Circle radius, in pixels.
:param int z: Simulated height of the object above the canvas.
Currently used for accept/dismiss/delete buttons and control points
on the painting canvas, in certain modes.
The button's style is similar to that used for the paint chips in
the dockable palette panel. As used here with drop shadows to
indicate that the blob can be interacted with, the style is similar
to Google's Material Design approach. This style adds a subtle edge
highlight in a brighter variant of "color", which seems to help
address adjacent color interactions.
"""
x = round(float(x))
y = round(float(y))
radius = round(radius)
cr.save()
cr.set_dash([], 0)
cr.set_line_width(0)
base_col = RGBColor(color=color)
hi_col = _get_paint_chip_highlight(base_col)
cr.arc(x, y, radius + 0, 0, 2 * math.pi)
cr.set_line_width(2)
render_drop_shadow(cr, z=z)
cr.set_source_rgb(*base_col.get_rgb())
cr.fill_preserve()
cr.clip_preserve()
cr.set_source_rgb(*hi_col.get_rgb())
cr.stroke()
cr.restore()
def render_round_floating_color_chip(cr, x, y, color, radius, z=2):
"""Draw a round color chip with a slight drop shadow
:param cairo.Context cr: Context in which to draw.
:param float x: X coordinate of the center pixel.
:param float y: Y coordinate of the center pixel.
:param lib.color.UIColor color: Color for the chip.
:param float radius: Circle radius, in pixels.
:param int z: Simulated height of the object above the canvas.
Currently used for accept/dismiss/delete buttons and control points
on the painting canvas, in certain modes.
The button's style is similar to that used for the paint chips in
the dockable palette panel. As used here with drop shadows to
indicate that the blob can be interacted with, the style is similar
to Google's Material Design approach. This style adds a subtle edge
highlight in a brighter variant of "color", which seems to help
address adjacent color interactions.
"""
x = round(float(x))
y = round(float(y))
radius = round(radius)
cr.save()
cr.set_dash([], 0)
cr.set_line_width(0)
base_col = RGBColor(color=color)
hi_col = _get_paint_chip_highlight(base_col)
cr.arc(x, y, radius+0, 0, 2*math.pi)
cr.set_line_width(2)
render_drop_shadow(cr, z=z)
cr.set_source_rgb(*base_col.get_rgb())
cr.fill_preserve()
cr.clip_preserve()
cr.set_source_rgb(*hi_col.get_rgb())
cr.stroke()
cr.restore()
def render_round_floating_color_chip(cr, x, y, color, radius):
"""Draw a round color chip with a slight drop shadow
Currently used for dismiss/delete buttons and control points.
The button's style is similar to that used for the paint chips
in the dockable palette panel.
"""
x = round(float(x))
y = round(float(y))
cr.save()
cr.set_dash([], 0)
cr.set_line_width(0)
base_col = RGBColor(color=color)
hi_col = _get_paint_chip_highlight(base_col)
xoffs = gui.style.DROP_SHADOW_X_OFFSET
yoffs = gui.style.DROP_SHADOW_Y_OFFSET
blur = gui.style.DROP_SHADOW_BLUR
alpha = gui.style.DROP_SHADOW_ALPHA
drop_shadow = cairo.RadialGradient(
x+xoffs, y+yoffs, radius,
x+xoffs, y+yoffs, radius + blur,
)
drop_shadow.add_color_stop_rgba(0, 0, 0, 0, alpha)
drop_shadow.add_color_stop_rgba(1, 0, 0, 0, 0.0)
cr.arc(x+xoffs, y+yoffs, radius + blur + 1, 0, 2*math.pi)
cr.set_source(drop_shadow)
cr.fill()
cr.arc(x, y, radius, 0, 2*math.pi)
cr.set_source_rgb(*base_col.get_rgb())
cr.fill_preserve()
cr.clip_preserve()
cr.set_source_rgb(*hi_col.get_rgb())
cr.set_line_width(2)
cr.stroke()
cr.restore()
