from Tkinter import * from colorservices import * from classpoint import Point #------------"transfering movement functions from Square to Pointer" class Pointer(Point): # use a better name?? def __init__(self, coord=(0, 0), canvas=None, size=20, spacer=2): Point.__init__(self, coord, ) self.size = size self.spacer = spacer def moveNextCol(self): self.x += self.size + self.spacer return (self.x, self.y) def moveNextRow(self): self.y += self.size + self.spacer return (self.x, self.y) class HarmonyPalettes(object): '''generate colors and draw each on a canvas''' def __init__(self, canv, rgb="#05ff05", size=20, spacer=2): canv.config(height=375, width=500) baseRGB = rgb baseHSV = getHSV(baseRGB) harmonies = [("Base Color - Tints & Shades", (0,)), ("Complementary - RGB color space", (180,)), ("Split complementary - RGB", (150, 210)), ("Triad - RGB", (120, 240))] self.size = size self.largeSquareSize = self.size * 2 + spacer self.xoffset = self.largeSquareSize + spacer start = (10, 20) self.origin = Pointer(start, size=self.size, spacer=2) self.sqr = Square(canv, nwCorner=self.origin.getCoord(), lenSide=self.size, tagList=["", "harm"]) self.largeSqr = Square(canv, nwCorner=self.origin.getCoord(), lenSide=self.size*2 + spacer, tagList=["", "harm"]) print "self.__class__", self.__class__ for name, angles in harmonies: canv.create_text(self.origin.x, self.origin.y + 4, text=name, anchor=NW) self.origin.moveNextRow() for angle in angles: self.largeSqr.copyXY(self.origin) self.sqr.moveAbs((self.xoffset + self.largeSqr.x, self.origin.y)) newHSV = self.rotateHue(baseHSV, angle) newRGB = getRGB(newHSV) self.largeSqr.draw(fillColor=newRGB) tints = self.getTints(newHSV, 10, 5) shades = self.getShades(newHSV, 10, 5) for tint in tints: self.sqr.draw(fillColor=tint) self.origin.moveNextRow() self.sqr.moveAbs((self.xoffset + self.origin.x, self.origin.y)) for shade in shades: self.sqr.draw(fillColor=shade) self.origin.moveNextRow() self.sqr.copyXY(self.origin) def rotateHue(self, baseHSV, angle): hue, sat, val = baseHSV sum = hue + angle if sum > 360: sum -= 360 return ((sum, sat, val)) def getTints(self, baseHSV, steps=10, stepValue=10): '''return array of colors that vary the saturation\ the original color plus three tints to either side''' tints = [] h, s, v = baseHSV for sat in range (100, 0, -5): tints.append(getRGB((h, sat, v))) return tints def getShades(self, baseHSV, steps=10, stepValue=10): '''return array of colors that vary the saturation\ the original color plus three tints to either side''' shades = [] h, s, val = baseHSV for val in range (100, 0, -5): shades.append(getRGB((h, s, val))) return shades class DrawPalette(object): #for gimp and favorites "draws squares by rows on a canvas until *colors* list is exhausted" def __init__(self, canv, colors, name='', tags = [], columns=16, size=20, spacer=2, start=(5, 5)): self.square = Square(canv, tagList = tags, nwCorner = start, lenSide=size) # print id(self.square), tags origin = Square(canv, nwCorner = start, lenSide=size) origin.config(tagList = tags) # print id(origin) rgb = (color for color in colors) if name: self.draw_text(canv, name, origin) self.draw_squares(canv, rgb, origin, columns) def draw_text(self, canv, name, origin): x, y = origin.x, origin.y canv.create_text(x, y + 3, text=name, anchor=W) origin.moveNextRow() def draw_squares(self, canv, rgb, origin, columns): # print "in draw_squares::self.square.tagList", self.square.tags def move(): origin.moveNextRow() self.square.copyXY(origin) while True: for col in range(columns): try: self.square.draw(fillColor=rgb.next()) except StopIteration: #out of colors move() return move() class Square(Pointer): def __init__(self, canvas, nwCorner=(0, 0), lenSide=5, fillColor="", tagList=[], activeoutline="white"): Pointer.__init__(self, coord = nwCorner, size = lenSide, ) self.canvas = canvas self.lenSide = lenSide self.fillColor = fillColor self.activeoutline = activeoutline # print "in Square::tagList", tagList self.tags = Tagifier(tagList) def duplicate(self): return Square((self.x, self.y), self.canvas, self.size, self.spacer) def config(self, **kwargs): if "nwCorner" in kwargs: self.set(kwargs["nwCorner"]) # print "kwARG", type(kwargs["nwCorner"]) if "tagList" in kwargs: self.tags.processNew(kwargs["tagList"]) for k in kwargs.keys(): self.__dict__[k] = kwargs[k] def corners(self): d = self.lenSide return (self.x, self.y, self.x + d, self.y + d) def moveTo(self, nwCorner): self.set(coord=nwCorner) def draw(self, **kwargs): #======================================================================= # kwargs is intended for colorFill and moving x, y # but any value attribute can be changed - for now #======================================================================= if kwargs: self.config(**kwargs) tags=self.tags.next() self.canvas.create_rectangle(self.corners(), fill=self.fillColor, tags=self.tags.next(), activeoutline=self.activeoutline, outline="#bababa") # print "in Square, draw(), tags", tags self.moveNextCol() class Tagifier(object): """returns a list of tags, the special bit is appending the first tag with an index number""" start = 0 def __init__(self, tagList=[]): # print "taglist", tagList self.processNew(tagList) def processNew(self, tagList): self.tagList = tagList self.ndxdTag = [] if self.tagList: # print self.tagList, "in process new ln 170" self.ndxdTag = self.tagList.pop(0) self.staticTags = list(self.tagList) def __iter__(self): return self def next(self): front = [] if self.ndxdTag: front = [self.ndxdTag.strip() + str(Tagifier.start).rjust(4, '0')] Tagifier.start += 1 front.extend(self.staticTags) t = front else: t = self.staticTags return t def setIndex(self, index=0): Tagifier.start = index if __name__ == '__main__': root = Tk() def select(event): sqr = canvas.find_closest(event.x, event.y) tagstr = canvas.itemcget(sqr, "tags") print "tags::", tagstr if "current" in tagstr: print "yes" else: print "no" colors = ["#123456","#abcdef", "#a1b2c3", "#189050", "#baddad", "#cadcam", "#cabeee", "#201110", "#aabbcc"] canvas = Canvas(width=600, height=200, bg='white') canvas.pack(expand=YES, fill=BOTH) root.bind("", select) HarmonyPalettes(canvas) DrawPalette(canvas, colors, tags = ["", "beans"]) root.mainloop()