#!/usr/bin/env python
# coding: utf-8

# # Final characters
# 
# Some final characters have an effect on spacing.

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get_ipython().run_line_magic('load_ext', 'autoreload')
get_ipython().run_line_magic('autoreload', '2')


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from fusus.lakhnawi import Lakhnawi
from fusus.lib import dh


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Lw = Lakhnawi()
Lw.setStyle()


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Lw.getPages(None)


# Here are all finals that introduce a space if there is no space.
# The space will be inserted just before the next non-diacritic.

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Lw.showFinals()


# # Page 150

# ## Final, causing a space
# 
# Observe line 1, char **45**: there is a final qaf, but no physical space.
# This is where a final form triggers a space although, since it is the end of a line, not a very useful one.
# Note, however, that the space is inserted after the diacritics that follow the qaf.

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Lw.showLines(150, search="\ufed6", orig=True)


# We show this line in HTML, with spaces marked (this is based on the extracted text)

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Lw.htmlPages(150, line=1, showSpaces=True)


# And this is the original of the same line.

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Lw.drawPages(150, clip=(80, 110))


# ## Final, causing space, with existing space
# 
# Observe the space in line 2, char **39**, where there was already a detected space by of width 3.4pt on
# the basis of the bounding boxes.

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Lw.showLines(150, search="\ufe94", orig=True)


# ## Final, not causing a space
# 
# Observe that the alef `wasla` in line 2, char **104** does not introduce a space, since it is not in 
# the list of characters that can do that.

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Lw.showLines(150, search="\ufb51", orig=True)


# We show this line in HTML, with spaces marked (this is based on the extracted text)

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Lw.htmlPages(150, line=2, showSpaces=True)


# And this is the original of the same line.

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Lw.drawPages(150, clip=(110, 140))


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