def setBasicPixel(self, x, y, rgb):
"""Sets the pixel at specified coordinates to a color based on rgb(tuple)
Parameters
----------
x, y : int
the coordinates of the pixel
rgb : tuple of int
the color the pixel will be set to
"""
col = Color(rgb[0], rgb[1], rgb[2])
self.getPixel(x, y).setColor(col)
def addMessage(self, message, xPos, yPos):
"""Adds text to the image
message : str
the message that will be drawn on the picture
x : int
the x-coordinate of the top left corner of the text
y : int
the y-coordinate of the top left corner of the text
"""
# get a graphics context to use to draw on the buffered image
col = Color(0, 0, 0)
self.addText(col, xPos, yPos, message)
def __init__(self, *args, **kwargs):
"""Initializer for Picture class
"""
self.filename = self.title = 'None'
if len(args) == 0:
# no parameters, make 100x200 picture with white background
self.image = PIL.Image.new("RGB", (200, 100), (255, 255, 255))
elif len(args) == 1:
if isinstance(args[0], str):
self.filename = self.title = args[0]
# Assume 'we've been passed a filename
if not os.path.isfile(self.filename):
# File not found, try prepending media path
filepath = FileChooser.getMediaPath(self.filename)
if os.path.isfile(filepath):
self.filename = self.title = filepath
try:
self.image = PIL.Image.open(self.filename)
except:
self.image = PIL.Image.new("RGB", (600, 200))
draw = PIL.ImageDraw.Draw(self.image)
draw.text((0, 100), "Couldn't load " + self.filename)
elif isinstance(args[0], Picture):
# We've been passed a Picture object
self.image = args[0].image.copy()
self.filename = args[0].filename
self.title = args[0].title
elif isinstance(args[0], PIL.Image.Image):
# We've been passed a PIL image object
self.image = args[0]
try:
self.filename = self.title = args[0].filename
except AttributeError:
pass
elif len(args) == 2 or len(args) == 3:
# We've been passed width and height, and possibly a color
size = (int(args[0]), int(args[1]))
c = Color(255, 255, 255) if len(args) == 2 else args[2]
self.image = PIL.Image.new("RGB", size, c.color)
else:
print("Could not construct Picture object")
def makeColor(red, green=None, blue=None):
return Color(red, green, blue)
def makeBrighter(color): # This is the same as makeLighter(color)
if not isinstance(color, Color):
print("makeBrighter(color): Input is not a color")
raise ValueError
return Color(color.makeLighter())
def makeLighter(color):
if not isinstance(color, Color):
print("makeLighter(color): Input is not a color")
raise ValueError
return Color(color.makeLighter())
def getColor(pixel):
if not isinstance(pixel, Pixel):
print("getColor(pixel): Input is not a pixel")
raise ValueError
return Color(pixel.getColor())
def pickAColor():
# Dorn 5/8/2009: Edited to be thread safe since this code is executed from an
# interpreter JESThread and will result in an update to the main JES GUI due to
# it being a modal dialog.
return Color.pickAColor()
Pixel.setWrapLevels(bool(setting))
def getColorWrapAround():
return Pixel.getWrapLevels()
def pickAColor():
# Dorn 5/8/2009: Edited to be thread safe since this code is executed from an
# interpreter JESThread and will result in an update to the main JES GUI due to
# it being a modal dialog.
return Color.pickAColor()
# Constants
black = Color(0, 0, 0)
white = Color(255, 255, 255)
blue = Color(0, 0, 255)
red = Color(255, 0, 0)
green = Color(0, 255, 0)
gray = Color(128, 128, 128)
darkGray = Color(64, 64, 64)
lightGray = Color(192, 192, 192)
yellow = Color(255, 255, 0)
orange = Color(255, 200, 0)
pink = Color(255, 175, 175)
magenta = Color(255, 0, 255)
cyan = Color(0, 255, 255)
##
# Global picture functions