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python Programming Glossary: rgba

Read the RGB value of a given pixel in Python, Programatically

http://stackoverflow.com/questions/138250/read-the-rgb-value-of-a-given-pixel-in-python-programatically

of the image for iterating over print pix x y #Get the RGBA Value of the a pixel of an image pix x y value # Set the RGBA.. Value of the a pixel of an image pix x y value # Set the RGBA Value of the image tuple Alternatively look at ImageDraw which..

How to read a raw image using PIL?

http://stackoverflow.com/questions/3397157/how-to-read-a-raw-image-using-pil

mode using a colour palette RGB 3x8 bit pixels true colour RGBA 4x8 bit pixels true colour with transparency mask CMYK 4x8 bit..

Using PIL to make all white pixels transparent?

http://stackoverflow.com/questions/765736/using-pil-to-make-all-white-pixels-transparent

Here's the code img Image.open 'img.png' imga img.convert RGBA datas imga.getdata newData list for item in datas if item 0.. 255 255 0 else newData.append item imgb Image.frombuffer RGBA imga.size newData raw RGBA 0 1 imgb.save img2.png PNG python.. item imgb Image.frombuffer RGBA imga.size newData raw RGBA 0 1 imgb.save img2.png PNG python image python imaging library..

Convert RGBA PNG to RGB with PIL

http://stackoverflow.com/questions/9166400/convert-rgba-png-to-rgb-with-pil

RGBA PNG to RGB with PIL I'm using PIL to convert a transparent.. color 255 255 255 Set all fully transparent pixels of an RGBA image to the specified color. This is a very simple solution.. a 9166671 284318 Keyword Arguments image PIL RGBA Image object color Tuple r g b default 255 255 255 x np.array..

How do I change the color of my widget in Kivy at run time?

http://stackoverflow.com/questions/12997545/how-do-i-change-the-color-of-my-widget-in-kivy-at-run-time

defines a circle where the color actually just the r from rgba position and size are all linked to variables in the widget.. the widget class. # kivy 1.4.1 CircleWidget canvas Color rgba self.r 1 1 1 Ellipse pos self.pos size self.size Here's the.. in my object. Works for extracting the initial color Color rgba self.col When I want to change the color from the .py file I..

How to handle constructors or methods with a different set (or type) of arguments in Python?

http://stackoverflow.com/questions/356718/how-to-handle-constructors-or-methods-with-a-different-set-or-type-of-argument

# This methods allows to use lists longer than 3 items eg. rgba where # 'Color alist ' would bail @classmethod def from_List..

How to get transparent background in window with PyGTK and PyCairo?

http://stackoverflow.com/questions/4889045/how-to-get-transparent-background-in-window-with-pygtk-and-pycairo

drawing cr.set_operator cairo.OPERATOR_CLEAR cr.set_source_rgba 0.5 1.0 0.0 0.5 cr.rectangle 0 0 0.9 0.8 cr.fill def main argc.. little circle for demonstration purpose cr.set_source_rgba 0.5 1.0 0.0 1 cr.arc widget.get_size 0 2 widget.get_size 1 2.. work if the wm support alpha channel screen win.get_screen rgba screen.get_rgba_colormap win.set_colormap rgba win.connect 'expose..

Convert RGBA PNG to RGB with PIL

http://stackoverflow.com/questions/9166400/convert-rgba-png-to-rgb-with-pil

back front a return front a back 255 a 255 def blend_rgba back front result blend_value back i front i front 3 for i in.. y in range im.size 1 for x in range im.size 0 p x y blend_rgba color 255 p x y return im def pure_pil_alpha_to_color_v2 image.. 1.1 msec per loop python png jpeg python imaging library rgba share improve this question Here's a version that's much..