falso
/
oddluck-limnoria-plugins
mirror of https://github.com/oddluck/limnoria-plugins.git
1
0
Fork 0
Code Issues Releases Wiki Activity

simplify greyscale mapping

This commit is contained in:
Gordon Shumway 2019-03-24 04:11:49 -04:00 committed by GitHub
parent d362eb2cd3
commit 449d4b3033
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 6 additions and 33 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

39
ASCII/plugin.py
View File

@ -176,17 +176,6 @@ class ASCII(callbacks.Plugin):
ascii = wrap(ascii, [getopts({'font':'text', 'color':'text'}), ('text')])
def getAverageL(self, image):
"""
Given PIL Image, return average value of grayscale value
"""
# get image as numpy array
im = np.array(image)
# get shape
w,h = im.shape
# get average
return np.average(im.reshape(w*h))
def getAverageC(self, pixel, speed):
"""
Given PIL Image, return average RGB value
@ -263,11 +252,12 @@ class ASCII(callbacks.Plugin):
if cols > W or rows > H:
print("Image too small for specified cols!")
exit(0)
image = image.resize((cols, rows), Image.LANCZOS)
image2 = image2.convert('RGBA')
image2 = Image.alpha_composite(Image.new("RGBA", image2.size, '#000000'), image2)
image2 = image2.convert(mode="P", matrix=None, dither=Image.FLOYDSTEINBERG, palette=Image.WEB)
image2 = image2.convert('RGB')
image2 = image2.resize((cols, rows), Image.LANCZOS)
lumamap = np.array(image)
colormap = np.array(image2)
# ascii image is a list of character strings
aimg = []
@ -282,17 +272,8 @@ class ASCII(callbacks.Plugin):
aimg.append("")
old_color = None
for i in range(cols):
# crop image to tile
x1 = int(i*w)
x2 = int((i+1)*w)
# correct last tile
if i == cols-1:
x2 = W
# crop image to extract tile
img = image.crop((x1, y1, x2, y2))
#img2 = image2.crop((x1, y1, x2, y2))
# get average luminance
avg = int(self.getAverageL(img))
avg = int(np.average(lumamap[j][i]))
# look up ascii char
gsval = gscale[int((avg*68)/255)]
# get color value
@ -359,11 +340,12 @@ class ASCII(callbacks.Plugin):
if cols > W or rows > H:
print("Image too small for specified cols!")
exit(0)
image = image.resize((cols, rows), Image.LANCZOS)
image2 = image2.convert('RGBA')
image2 = Image.alpha_composite(Image.new("RGBA", image2.size, '#000000'), image2)
image2 = image2.convert(mode="P", matrix=None, dither=Image.FLOYDSTEINBERG, palette=Image.WEB)
image2 = image2.convert('RGB')
image2 = image2.resize((cols, rows), Image.LANCZOS)
lumamap = np.array(image)
colormap = np.array(image2)
# ascii image is a list of character strings
aimg = []
@ -378,17 +360,8 @@ class ASCII(callbacks.Plugin):
aimg.append("")
old_color = None
for i in range(cols):
# crop image to tile
x1 = int(i*w)
x2 = int((i+1)*w)
# correct last tile
if i == cols-1:
x2 = W
# crop image to extract tile
img = image.crop((x1, y1, x2, y2))
#img2 = image2.crop((x1, y1, x2, y2))
# get average luminance
avg = int(self.getAverageL(img))
avg = int(np.average(lumamap[j][i]))
# look up ascii char
gsval = gscale[int((avg*4)/255)]
# get color value