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pyTermTk/tools/dumbPaintTool/app/palette.py

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# MIT License
#
# Copyright (c) 2021 Eugenio Parodi <ceccopierangiolieugenio AT googlemail DOT com>
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in all
# copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
__all__ = ['Palette']
import TermTk as ttk
_defaultPalette = [
[( 64, 0, 0),(102, 0, 0),(140, 0, 0),(178, 0, 0),(217, 0, 0),(255, 0, 0),(255, 51, 51),(255,102,102), ( 0, 48, 64),( 0, 77,102),( 0,105,140),( 0,134,178),( 0,163,217),( 0,191,255),( 51,204,255),(102,217,255)],
[( 64, 16, 0),(102, 26, 0),(140, 35, 0),(178, 45, 0),(217, 54, 0),(255, 64, 0),(255,102, 51),(255,140,102), ( 0, 32, 64),( 0, 51,102),( 0, 70,140),( 0, 89,178),( 0,108,217),( 0,128,255),( 51,153,255),(102,178,255)],
[( 64, 32, 0),(102, 51, 0),(140, 70, 0),(178, 89, 0),(217,108, 0),(255,128, 0),(255,153, 51),(255,178,102), ( 0, 0, 64),( 0, 0,102),( 0, 0,140),( 0, 0,178),( 0, 0,217),( 0, 0,255),( 51, 51,255),(102,102,255)],
[( 64, 48, 0),(102, 77, 0),(140,105, 0),(178,134, 0),(217,163, 0),(255,191, 0),(255,204, 51),(255,217,102), ( 16, 0, 64),( 26, 0,102),( 35, 0,140),( 45, 0,178),( 54, 0,217),( 64, 0,255),(102, 51,255),(140,102,255)],
[( 64, 64, 0),(102,102, 0),(140,140, 0),(178,178, 0),(217,217, 0),(255,255, 0),(255,255, 51),(255,255,102), ( 32, 0, 64),( 51, 0,102),( 70, 0,140),( 89, 0,178),(108, 0,217),(128, 0,255),(153, 51,255),(178,102,255)],
[( 48, 64, 0),( 77,102, 0),(105,140, 0),(134,178, 0),(163,217, 0),(191,255, 0),(204,255, 51),(217,255,102), ( 48, 0, 64),( 77, 0,102),(105, 0,140),(134, 0,178),(163, 0,217),(191, 0,255),(204, 51,255),(217,102,255)],
[( 32, 64, 0),( 51,102, 0),( 70,140, 0),( 89,178, 0),(108,217, 0),(128,255, 0),(153,255, 51),(178,255,102), ( 64, 0, 64),(102, 0,102),(140, 0,140),(178, 0,178),(217, 0,217),(255, 0,255),(255, 51,255),(255,102,255)],
[( 0, 64, 0),( 0,102, 0),( 0,140, 0),( 0,178, 0),( 0,217, 0),( 0,255, 0),( 51,255, 51),(102,255,102), ( 64, 0, 48),(102, 0, 77),(140, 0,105),(178, 0,134),(217, 0,163),(255, 0,191),(255, 51,204),(255,102,217)],
[( 0, 64, 32),( 0,102, 51),( 0,140, 70),( 0,178, 89),( 0,217,108),( 0,255,128),( 51,255,153),(102,255,178), ( 64, 0, 32),(102, 0, 51),(140, 0, 70),(178, 0, 89),(217, 0,108),(255, 0,128),(255, 51,153),(255,102,178)],
[( 0, 64, 48),( 0,102, 77),( 0,140,105),( 0,178,134),( 0,217,163),( 0,255,191),( 51,255,204),(102,255,217), ( 64, 0, 16),(102, 0, 26),(140, 0, 35),(178, 0, 45),(217, 0, 54),(255, 0, 64),(255, 51,102),(255,102,140)],
[( 0, 64, 64),( 0,102,102),( 0,140,140),( 0,178,178),( 0,217,217),( 0,255,255),( 51,255,255),(102,255,255), ( 26, 20, 13),( 51, 41, 26),( 77, 61, 38),(102, 82, 51),(128,102, 64),(158,134,100),(191,171,143),(222,211,195)],
[( 0, 0, 0),( 19, 19, 19),( 39, 39, 39),( 58, 58, 58),( 78, 78, 78),( 98, 98, 98),(117,117,117),(137,137,137), (156,156,156),(176,176,176),(196,196,196),(215,215,215),(235,235,235),(255,255,255),( 0, 0, 0),( 0, 0, 0)]]
class Palette(ttk.TTkWidget):
__slots__ = ('_bg', '_fg', '_mouseMove', '_palette',
'_enabledFg', '_enabledBg',
#signals
'colorSelected')
def __init__(self, *args, **kwargs):
self.colorSelected = ttk.pyTTkSignal(ttk.TTkColor)
self._fg = (5,3)
self._bg = (9,2)
self._enabledFg = True
self._enabledBg = True
self._mouseMove = None
self.setPalette(_defaultPalette)
super().__init__(*args, **kwargs)
self.setFocusPolicy(ttk.TTkK.ClickFocus)
def setPalette(self, palette):
self._palette = []
for row in palette:
colors = []
for r,g,b in row:
colors.append((
ttk.TTkColor.fg(f"#{r<<16|g<<8|b:06x}"),
ttk.TTkColor.bg(f"#{r<<16|g<<8|b:06x}")))
self._palette.append(colors)
self.update()
def color(self):
palette = self._palette
fx,fy = self._fg
bx,by = self._bg
fg = palette[fy][fx][0]
bg = palette[by][bx][1]
if self._enabledFg and self._enabledBg:
return fg+bg
elif self._enabledFg:
return fg
elif self._enabledBg:
return bg
else:
return ttk.TTkColor.RST
ttk.pyTTkSlot(ttk.TTkColor)
def setColor(self, color:ttk.TTkColor) -> None:
fg = color.foreground()
bg = color.background()
self.enableFg(fg!=None)
self.enableBg(bg!=None)
def _getPos(col):
for y,row in enumerate(self._palette):
for x,c in enumerate(row):
if c[0] == col or c[1] == col:
return x,y
return None
pw, ph = len(self._palette[0]),len(self._palette)
if fg:
if (pos:=_getPos(fg)) != None:
self._fg = pos
else:
self._fg = (pw-2,ph-1)
self._palette[ph-1][pw-2] = (fg,fg.invertFgBg())
if bg:
if (pos:=_getPos(bg)) != None:
self._bg = pos
else:
self._bg = (pw-1,ph-1)
self._palette[ph-1][pw-1] = (bg.invertFgBg(),bg)
self.update()
@ttk.pyTTkSlot(bool)
def enableFg(self, enable=True):
self._enabledFg = enable
self.colorSelected.emit(self.color())
self.update()
@ttk.pyTTkSlot(bool)
def enableBg(self, enable=True):
self._enabledBg = enable
self.colorSelected.emit(self.color())
self.update()
def mousePressEvent(self, evt) -> bool:
x,y = evt.x, evt.y
self._mouseMove = None
if 0<=x<32 and 0<=y<12:
if evt.key == ttk.TTkK.RightButton:
self._bg = (x//2,y)
elif evt.key == ttk.TTkK.LeftButton:
self._fg = (x//2,y)
self.colorSelected.emit(self.color())
self.update()
return True
self.update()
return super().mousePressEvent(evt)
def leaveEvent(self, evt):
self._mouseMove = None
self.update()
return super().leaveEvent(evt)
def mouseMoveEvent(self, evt) -> bool:
x,y = evt.x, evt.y
if 0<=x<32 and 0<=y<12:
self._mouseMove = (x//2, y)
self.update()
return True
self._mouseMove = None
self.update()
return super().mouseMoveEvent(evt)
def paintEvent(self, canvas: ttk.TTkCanvas):
palette = self._palette
for y,row in enumerate(palette):
for x,col in enumerate(row):
canvas.drawText(pos=(x*2,y),text=' ',color=col[1])
# Draw Mouse Move
if self._mouseMove:
x,y = self._mouseMove
r,g,b = palette[y][x][0].fgToRGB()
chc = ttk.TTkColor.fg('#000000') if r+b+g > (100*3) else ttk.TTkColor.fg('#FFFFFF')
color = palette[y][x][1] + chc
canvas.drawText(pos=(x*2,y), text="◀▶", color=color)
# Draw FG Ref
x,y = self._fg
r,g,b = palette[y][x][0].fgToRGB()
if self._enabledFg:
chc = ttk.TTkColor.fg('#000000') if r+b+g > (128*3) else ttk.TTkColor.fg('#FFFFFF')
else:
chc = ttk.TTkColor.fg('#666666') if r+b+g > (128*3) else ttk.TTkColor.fg('#999999')
color = palette[y][x][1] + chc
canvas.drawChar(pos=(x*2,y), char="F", color=color)
# Draw BG ref
x,y = self._bg
r,g,b = palette[y][x][0].fgToRGB()
if self._enabledBg:
chc = ttk.TTkColor.fg('#000000') if r+b+g > (128*3) else ttk.TTkColor.fg('#FFFFFF')
else:
chc = ttk.TTkColor.fg('#666666') if r+b+g > (128*3) else ttk.TTkColor.fg('#999999')
color = palette[y][x][1] + chc
canvas.drawChar(pos=(x*2+1,y), char="B", color=color)