Initial commit

pixelterm.py

@@ -0,0 +1,88 @@
+#!/usr/bin/env python
+
+import os, sys, argparse
+from pygments.formatters import terminal256
+from PIL import Image, PngImagePlugin
+
+def termify_pixels(img):
+	sx, sy = img.size
+	out = ''
+	formatter = terminal256.Terminal256Formatter()
+	def bgescape(color):
+		r,g,b,a = color
+		if color == (0,0,0,0):
+			return terminal256.EscapeSequence(bg=formatter._closest_color(0,0,0)).reset_string()
+		return terminal256.EscapeSequence(bg=formatter._closest_color(r,g,b)).color_string()
+	def fgescape(color):
+		r,g,b,_ = color
+		return terminal256.EscapeSequence(fg=formatter._closest_color(r,g,b)).color_string()
+	#NOTE: This ignores the last line if there is an odd number of lines.
+	for y in range(0, sy-1, 2):
+		lastfg, lastbg = None, None
+		for x in range(sx):
+			coltop = img.getpixel((x, y))
+			colbot = img.getpixel((x, y+1))
+			if coltop[3] != 255:
+				coltop = (0,0,0,0)
+			if colbot[3] != 255:
+				colbot = (0,0,0,0)
+			if coltop == colbot:
+				if lastfg == coltop:
+					out += '█'
+				elif lastbg == coltop:
+					out += ' '
+				else:
+					out += bgescape(coltop)
+					lastfg = coltop
+					out += ' '
+			else:
+				if coltop == (0,0,0,0):
+					if lastfg != colbot:
+						out += fgescape(colbot)
+						lastfg = colbot
+					if lastbg != coltop:
+						out += bgescape(coltop)
+						lastbg = coltop
+					out += '▄'
+				elif colbot == (0,0,0,0): 
+					if lastfg != coltop:
+						out += fgescape(coltop)
+						lastfg = coltop
+					if lastbg != colbot:
+						out += bgescape(colbot)
+						lastbg = colbot
+					out += '▀'
+				elif lastbg == coltop:
+					if lastfg != colbot:
+						out += fgescape(colbot)
+						lastfg = colbot
+					out += '▄'
+				elif lastbg == colbot:
+					if lastfg != coltop:
+						out += fgescape(coltop)
+						lastfg = coltop
+					out += '▀'
+				else:
+					if lastfg == coltop:
+						out += bgescape(coltop)
+						lastbg = coltop
+						out += '▀'
+					elif lastfg == colbot:
+						out += bgescape(colbot)
+						lastbg = colbot
+						out += '▄'
+					else:
+						out += fgescape(coltop)
+						lastfg = coltop
+						out += bgescape(colbot)
+						lastbg = colbot
+						out += '▀'
+		out += '\n'
+	return out
+
+if __name__ == '__main__':
+	parser = argparse.ArgumentParser(description='Render pixel images on 256-color ANSI terminals')
+	parser.add_argument('image', type=str)
+	args = parser.parse_args()
+	img = Image.open(args.image).convert("RGBA")
+	print(termify_pixels(img))