+# -*- coding: utf-8 -*-
from PIL import Image
from os.path import join, dirname, getmtime, exists, expanduser
from .config import *
+from .py3patch import *
import ctypes
import sys
def call_c():
+ """
+ Call the C program for converting RGB to Ansi colors
+ """
library = expanduser('~/.image.so')
sauce = join(dirname(__file__), 'image.c')
if not exists(library) or getmtime(sauce) > getmtime(library):
- build = "gcc -fPIC -shared -o %s %s" % (library, sauce)
- assert os.system(build + " >/dev/null 2>&1") == 0
+ build = "cc -fPIC -shared -o %s %s" % (library, sauce)
+ os.system(build + " >/dev/null 2>&1")
image_c = ctypes.cdll.LoadLibrary(library)
image_c.init()
return image_c.rgb_to_ansi
rgb2short = call_c()
-def pixel_print(ansicolor):
- sys.stdout.write('\033[48;5;%sm \033[0m' % (ansicolor))
+def pixel_print(pixel):
+ """
+ Print a pixel with given Ansi color
+ """
+ r, g, b = pixel[:3]
+ if c['24BIT'] is True:
+ sys.stdout.write('\033[48;2;%d;%d;%dm \033[0m'
+ % (r, g, b))
+ else:
+ ansicolor = rgb2short(r, g, b)
+ sys.stdout.write('\033[48;5;%sm \033[0m' % (ansicolor))
-def image_to_display(path,start=None,length=None):
+
+def block_print(higher, lower):
+ """
+ Print two pixels arranged above each other with Ansi color.
+ Abuses Unicode to print two pixels in the space of one terminal block.
+ """
+ r0, g0, b0 = lower[:3]
+ r1, g1, b1 = higher[:3]
+
+ if c['24BIT'] is True:
+ sys.stdout.write('\033[38;2;%d;%d;%dm\033[48;2;%d;%d;%dm▄\033[0m'
+ % (r1, g1, b1, r0, g0, b0))
+ else:
+ i0 = rgb2short(r0, g0, b0)
+ i1 = rgb2short(r1, g1, b1)
+ sys.stdout.write('\033[38;5;%sm\033[48;5;%sm▄\033[0m' % (i1, i0))
+
+
+def image_to_display(path, start=None, length=None):
+ """
+ Display an image
+ """
rows, columns = os.popen('stty size', 'r').read().split()
if not start:
start = c['IMAGE_SHIFT']
i.load()
width = min(w, length)
height = int(float(h) * (float(width) / float(w)))
- height //= 2
+
+ if c['IMAGE_RESIZE_TO_FIT'] is True:
+ # If it image won't fit in the terminal without scrolling shrink it
+ # Subtract 3 from rows so the tweet message fits in too.
+ h = 2 * (int(rows) - 3)
+ if height >= h:
+ width = int(float(width) * (float(h) / float(height)))
+ height = h
+ if (height <= 0) or (width <= 0):
+ raise ValueError("image has negative dimensions")
+
i = i.resize((width, height), Image.ANTIALIAS)
height = min(height, c['IMAGE_MAX_HEIGHT'])
- for y in xrange(height):
- print ' ' * start,
+ for real_y in xrange(height // 2):
+ sys.stdout.write(' ' * start)
for x in xrange(width):
- p = i.getpixel((x, y))
- r, g, b = p[:3]
- pixel_print(rgb2short(r, g, b))
- print ''
+ y = real_y * 2
+ p0 = i.getpixel((x, y))
+ p1 = i.getpixel((x, y + 1))
+ block_print(p1, p0)
+ sys.stdout.write('\n')
+
+"""
+For direct using purpose
+"""
if __name__ == '__main__':
image_to_display(sys.argv[1])