Difference between revisions of "CSC111 JES Program for Image Processing"
(Created page with "--~~~~ ---- <onlydft> <br /> <source lang="python"> # JES Picture processing # D. Thiebaut # A demo of some of the functions available in JES for manipulating # the pixels of...") |
|||
| (2 intermediate revisions by the same user not shown) | |||
| Line 1: | Line 1: | ||
--[[User:Thiebaut|D. Thiebaut]] ([[User talk:Thiebaut|talk]]) 10:08, 10 March 2014 (EDT) | --[[User:Thiebaut|D. Thiebaut]] ([[User talk:Thiebaut|talk]]) 10:08, 10 March 2014 (EDT) | ||
---- | ---- | ||
| + | =Skeleton Program to Get Started With= | ||
| + | <br /> | ||
| + | <source lang="python"> | ||
| + | # JES Picture processing | ||
| + | # D. Thiebaut | ||
| + | # A demo of some of the functions available in JES for manipulating | ||
| + | # the pixels of an image. | ||
| + | |||
| + | |||
| + | # the image we are playing with | ||
| + | image = None | ||
| + | |||
| + | # changeColor( image ). | ||
| + | # Changes the amount of red, green and blue that is in an image | ||
| + | def changeColor( image ): | ||
| + | for x in range(0,getWidth(image)): | ||
| + | for y in range(0,getHeight(image)): | ||
| + | pixel = getPixel (image, x, y) | ||
| + | red = getRed(pixel) | ||
| + | green = getGreen(pixel) | ||
| + | blue = getBlue(pixel) | ||
| + | |||
| + | # the line below replaces the pixel with its original color. Change | ||
| + | # the amount of red, green and blue to see some change in the colors | ||
| + | newColor = makeColor( red, green, blue ) | ||
| + | setColor( pixel, newColor ) | ||
| + | return image | ||
| + | |||
| + | # ================================================================== | ||
| + | # MAIN PROGRAM | ||
| + | # ================================================================== | ||
| + | file = pickAFile() | ||
| + | image = makePicture( file ) | ||
| + | show( image ) | ||
| + | |||
| + | #image = changeColor( image ) | ||
| + | #repaint( image ) | ||
| + | |||
| + | |||
| + | </source> | ||
| + | <br /> | ||
<onlydft> | <onlydft> | ||
<br /> | <br /> | ||
| Line 99: | Line 140: | ||
return image | return image | ||
| + | # given the coordinates of the top-left, bottom-right points defining | ||
| + | # two rectangles around the eyes, find very red pixels and make their | ||
| + | # red component 0. | ||
| + | def fixRedEyes( image, x1, y1, x2, y2, x3, y3, x4, y4 ): | ||
| + | for x in range( x1, x2 ): | ||
| + | for y in range( y1, y2 ): | ||
| + | pixel = getPixel (image, x, y) | ||
| + | red = getRed(pixel) | ||
| + | green = getGreen(pixel) | ||
| + | blue = getBlue(pixel) | ||
| + | newColor = makeColor( 0, green, blue ) | ||
| + | setColor( pixel, newColor ) | ||
| + | for x in range( x3, x4 ): | ||
| + | for y in range( y3, y4 ): | ||
| + | pixel = getPixel (image, x, y) | ||
| + | red = getRed(pixel) | ||
| + | green = getGreen(pixel) | ||
| + | blue = getBlue(pixel) | ||
| + | newColor = makeColor( 0, green, blue ) | ||
| + | setColor( pixel, newColor ) | ||
| + | return image | ||
| + | |||
| + | |||
# ================================================================== | # ================================================================== | ||
# MAIN PROGRAM | # MAIN PROGRAM | ||
| Line 112: | Line 176: | ||
#image = flipPixelColors( image ) | #image = flipPixelColors( image ) | ||
#image = swapRGBColors( image ) | #image = swapRGBColors( image ) | ||
| − | image = addBorder( image, 15 ) | + | #image = addBorder( image, 15 ) |
| + | |||
| + | #redEyesCoordinates = (137,221,156,239, 247,235,262,255) | ||
| + | image = fixRedEyes( image, 137,221,156,239, 247,235,262,255 ) | ||
repaint( image ) | repaint( image ) | ||
| − | + | ||
| + | |||
</source> | </source> | ||
Latest revision as of 09:19, 10 March 2014
--D. Thiebaut (talk) 10:08, 10 March 2014 (EDT)
Skeleton Program to Get Started With
# JES Picture processing
# D. Thiebaut
# A demo of some of the functions available in JES for manipulating
# the pixels of an image.
# the image we are playing with
image = None
# changeColor( image ).
# Changes the amount of red, green and blue that is in an image
def changeColor( image ):
for x in range(0,getWidth(image)):
for y in range(0,getHeight(image)):
pixel = getPixel (image, x, y)
red = getRed(pixel)
green = getGreen(pixel)
blue = getBlue(pixel)
# the line below replaces the pixel with its original color. Change
# the amount of red, green and blue to see some change in the colors
newColor = makeColor( red, green, blue )
setColor( pixel, newColor )
return image
# ==================================================================
# MAIN PROGRAM
# ==================================================================
file = pickAFile()
image = makePicture( file )
show( image )
#image = changeColor( image )
#repaint( image )
