def paint_foreground_cb(self, cr, wd, ht):
"""Fg marker painting, for `ColorAdjusterWidget` impls.
"""
col = HSVColor(color=self.get_managed_color())
col.s = 1.0
radius = self.get_radius(wd, ht, self.BORDER_WIDTH)
cx = int(wd // 2)
cy = int(ht // 2)
cr.arc(cx, cy, radius+0.5, 0, 2*math.pi)
cr.clip()
x, y = self.get_pos_for_color(col)
col.s = 0.70
ex, ey = self.get_pos_for_color(col)
cr.set_line_width(5)
cr.move_to(x, y)
cr.line_to(ex, ey)
cr.set_source_rgb(0, 0, 0)
cr.stroke_preserve()
cr.set_source_rgb(1, 1, 1)
cr.set_line_width(3.5)
cr.stroke_preserve()
cr.set_source_rgb(*col.get_rgb())
cr.set_line_width(0.25)
cr.stroke()
def paint_foreground_cb(self, cr, wd, ht):
"""Fg marker painting, for `ColorAdjusterWidget` impls.
"""
col = HSVColor(color=self.get_managed_color())
col.s = 1.0
radius = self.get_radius(wd, ht, self.BORDER_WIDTH)
cx = int(wd // 2)
cy = int(ht // 2)
cr.arc(cx, cy, radius + 0.5, 0, 2 * math.pi)
cr.clip()
x, y = self.get_pos_for_color(col)
col.s = 0.70
ex, ey = self.get_pos_for_color(col)
cr.set_line_width(5)
cr.move_to(x, y)
cr.line_to(ex, ey)
cr.set_source_rgb(0, 0, 0)
cr.stroke_preserve()
cr.set_source_rgb(1, 1, 1)
cr.set_line_width(3.5)
cr.stroke_preserve()
cr.set_source_rgb(*col.get_rgb())
cr.set_line_width(0.25)
cr.stroke()
def __scroll_cb(self, widget, event):
d = self.SCROLL_DELTA
if event.direction in (gdk.SCROLL_DOWN, gdk.SCROLL_LEFT):
d *= -1
col = HSVColor(color=self.get_managed_color())
v = clamp(col.v + d, 0.0, 1.0)
if col.v != v:
col.v = v
self.set_managed_color(col)
return True
def __scroll_cb(self, widget, event):
d = self.SCROLL_DELTA
if event.direction in (gdk.SCROLL_DOWN, gdk.SCROLL_LEFT):
d *= -1
col = HSVColor(color=self.get_managed_color())
v = clamp(col.v+d, 0.0, 1.0)
if col.v != v:
col.v = v
self.set_managed_color(col)
return True
class HSVColorRange(ThreeValueColorRange):
type = "HSV"
base_color = HSVColor(0, 1, 1)
references = {
"hue": (0, HSVHueSlider),
"saturation": (1, HSVSaturationSlider),
"value": (2, HSVValueSlider),
}
def in_range(self, color: color.UIColor) -> (bool, float, float):
return super().in_range(color.get_hsv())
@property
def h(self):
return self._get_val_mean(0)
@property
def s(self):
return self._get_val_mean(1)
@property
def v(self):
return self._get_val_mean(2)
def center_color(self) -> color.UIColor:
return color.HSVColor(self.h, self.s, self.v)
def get_new_color(self, pick_color, brush_color):
# Normal pick mode, but preserve hue for achromatic colors.
pick_h, pick_s, pick_v = pick_color.get_hsv()
if pick_s == 0 or pick_v == 0:
return HSVColor(brush_color.h, pick_s, pick_v)
else:
return pick_color
def render_background_cb(self, cr, wd, ht, icon_border=None):
col = HSVColor(color=self.get_managed_color())
b = icon_border
if b is None:
b = self.BORDER_WIDTH
eff_wd = int(wd - 2 * b)
eff_ht = int(ht - 2 * b)
f1, f2 = self.__get_faces()
step = max(1, int(eff_wd // 128))
rect_x, rect_y = int(b) + 0.5, int(b) + 0.5
rect_w, rect_h = int(eff_wd) - 1, int(eff_ht) - 1
# Paint the central area offscreen
cr.push_group()
for x in xrange(0, eff_wd, step):
amt = x / eff_wd
setattr(col, f1, amt)
setattr(col, f2, 1.0)
lg = cairo.LinearGradient(b + x, b, b + x, b + eff_ht)
lg.add_color_stop_rgb(*([0.0] + list(col.get_rgb())))
setattr(col, f2, 0.0)
lg.add_color_stop_rgb(*([1.0] + list(col.get_rgb())))
cr.rectangle(b + x, b, step, eff_ht)
cr.set_source(lg)
cr.fill()
slice_patt = cr.pop_group()
# Tango-like outline
cr.set_line_join(cairo.LINE_JOIN_ROUND)
cr.rectangle(rect_x, rect_y, rect_w, rect_h)
cr.set_line_width(self.OUTLINE_WIDTH)
cr.set_source_rgba(*self.OUTLINE_RGBA)
cr.stroke()
# The main area
cr.set_source(slice_patt)
cr.paint()
# Tango-like highlight over the top
cr.rectangle(rect_x, rect_y, rect_w, rect_h)
cr.set_line_width(self.EDGE_HIGHLIGHT_WIDTH)
cr.set_source_rgba(*self.EDGE_HIGHLIGHT_RGBA)
cr.stroke()
def render_background_cb(self, cr, wd, ht, icon_border=None):
col = HSVColor(color=self.get_managed_color())
b = icon_border
if b is None:
b = self.BORDER_WIDTH
eff_wd = int(wd - 2*b)
eff_ht = int(ht - 2*b)
f1, f2 = self.__get_faces()
step = max(1, int(eff_wd // 128))
rect_x, rect_y = int(b)+0.5, int(b)+0.5
rect_w, rect_h = int(eff_wd)-1, int(eff_ht)-1
# Paint the central area offscreen
cr.push_group()
for x in xrange(0, eff_wd, step):
amt = x / eff_wd
setattr(col, f1, amt)
setattr(col, f2, 1.0)
lg = cairo.LinearGradient(b+x, b, b+x, b+eff_ht)
lg.add_color_stop_rgb(*([0.0] + list(col.get_rgb())))
setattr(col, f2, 0.0)
lg.add_color_stop_rgb(*([1.0] + list(col.get_rgb())))
cr.rectangle(b+x, b, step, eff_ht)
cr.set_source(lg)
cr.fill()
slice_patt = cr.pop_group()
# Tango-like outline
cr.set_line_join(cairo.LINE_JOIN_ROUND)
cr.rectangle(rect_x, rect_y, rect_w, rect_h)
cr.set_line_width(self.OUTLINE_WIDTH)
cr.set_source_rgba(*self.OUTLINE_RGBA)
cr.stroke()
# The main area
cr.set_source(slice_patt)
cr.paint()
# Tango-like highlight over the top
cr.rectangle(rect_x, rect_y, rect_w, rect_h)
cr.set_line_width(self.EDGE_HIGHLIGHT_WIDTH)
cr.set_source_rgba(*self.EDGE_HIGHLIGHT_RGBA)
cr.stroke()
def _update_footer_color_widgets(self, settings):
"""Updates the footer bar color info when the brush color changes."""
if not settings.intersection(('color_h', 'color_s', 'color_v')):
return
bm_btn_name = "footer_bookmark_current_color_button"
bm_btn = self.app.builder.get_object(bm_btn_name)
brush_color = HSVColor(*self.app.brush.get_color_hsv())
palette = self.app.brush_color_manager.palette
bm_btn.set_sensitive(brush_color not in palette)
def get_position_for_color(self, col):
col = HSVColor(color=col)
f1, f2 = self.__get_faces()
f1_amt = getattr(col, f1)
f2_amt = getattr(col, f2)
f2_amt = 1.0 - f2_amt
alloc = self.get_allocation()
b = self.BORDER_WIDTH
wd = alloc.width
ht = alloc.height
eff_wd = wd - 2 * b
eff_ht = ht - 2 * b
x = b + f1_amt * eff_wd
y = b + f2_amt * eff_ht
return x, y
def get_color_at_position(self, x, y):
alloc = self.get_allocation()
b = self.BORDER_WIDTH
wd = alloc.width
ht = alloc.height
eff_wd = wd - 2 * b
eff_ht = ht - 2 * b
f1_amt = clamp((x - b) / eff_wd, 0, 1)
f2_amt = clamp((y - b) / eff_ht, 0, 1)
col = HSVColor(color=self.get_managed_color())
f1, f2 = self.__get_faces()
f2_amt = 1.0 - f2_amt
setattr(col, f1, f1_amt)
setattr(col, f2, f2_amt)
return col
return frame
def set_color_manager(self, manager):
CombinedAdjusterPage.set_color_manager(self, manager)
self.__v_adj.set_color_manager(manager)
self.__hs_adj.set_color_manager(manager)
if __name__ == '__main__':
import os
import sys
from adjbases import ColorManager
mgr = ColorManager(prefs={}, datapath='.')
if len(sys.argv) > 1:
# Generate icons
mgr.set_color(HSVColor(0.0, 0.0, 0.8))
wheel = HSVHueSaturationWheel()
wheel.set_color_manager(mgr)
icon_name = HSVAdjusterPage.get_page_icon_name()
for dir_name in sys.argv[1:]:
wheel.save_icon_tree(dir_name, icon_name)
else:
# Interactive test
mgr.set_color(HSVColor(0.333, 0.6, 0.5))
page = HSVAdjusterPage()
page.set_color_manager(mgr)
window = gtk.Window()
window.add(page.get_page_widget())
window.set_title(os.path.basename(sys.argv[0]))
window.set_border_width(6)
window.connect("destroy", lambda *a: gtk.main_quit())
def get_color_for_bar_amount(self, amt):
col = HSVColor(color=self.get_managed_color())
f0 = self.__cube._faces[0]
setattr(col, f0, amt)
return col
def get_color_for_bar_amount(self, amt):
col = HSVColor(color=self.get_managed_color())
col.v = amt
return col
def get_normalized_polar_pos_for_color(self, col):
col = HSVColor(color=col)
return col.s, col.h
frame = Gtk.AspectFrame(obey_child=True)
frame.set_shadow_type(Gtk.ShadowType.NONE)
frame.add(self.__table)
return frame
def set_color_manager(self, manager):
ColorAdjuster.set_color_manager(self, manager)
self.__y_adj.set_property("color-manager", manager)
self.__hc_adj.set_property("color-manager", manager)
if __name__ == '__main__':
import os
import sys
mgr = ColorManager(prefs={}, datapath='.')
mgr.set_color(HSVColor(0.0, 0.0, 0.55))
if len(sys.argv) > 1:
# Generate icons
wheel = HCYHueChromaWheel()
wheel.set_color_manager(mgr)
icon_name = HCYAdjusterPage.get_page_icon_name()
for dir_name in sys.argv[1:]:
wheel.save_icon_tree(dir_name, icon_name)
else:
# Interactive test
page = HCYAdjusterPage()
page.set_color_manager(mgr)
window = Gtk.Window()
window.add(page.get_page_widget())
window.set_title(os.path.basename(sys.argv[0]))
window.set_border_width(6)
def get_bar_amount_for_color(self, col):
col = HSVColor(color=col)
return max(0.0, col.v)
def color_at_normalized_polar_pos(self, r, theta):
col = HSVColor(color=self.get_managed_color())
col.h = theta
return col
def get_color_for_bar_amount(self, amt):
col = HSVColor(color=self.get_managed_color())
col.v = amt
return col
def _hsv_changed_cb(self, hsv):
if hsv.is_adjusting():
return
h, s, v = hsv.get_color()
color = HSVColor(h, s, v)
self.set_managed_color(color)
def color_at_normalized_polar_pos(self, r, theta):
col = HSVColor(color=self.get_managed_color())
col.h = theta
col.s = r
return col
def get_background_validity(self):
col = HSVColor(color=self.get_managed_color())
f0 = self.__cube._faces[0]
return f0, getattr(col, f0)