Problem Devanagri Script

[Aman Kumar]

Hello sir ..

       I am trying to make a Kivy application in Indian native languages like Hindi , Urdu(Arabic)  but the actual text is not rendering accurately . While going through a research i found that some languages like Devanagri , Persian , e.t.c are not supported in Kivy .And I also found that  Uharfbuzz  module can help us in solving our problem but we are not able to understand how to use Uharfbuzz  to solve our problem. Kindly help us to know how to use Uharfbuzz module or any other solution .

                       Thanking you in anticipation 

References :- 

https://harfbuzz.github.io/

https://groups.google.com/g/kivy-users/c/gbToPjdiN4g

[Elliot Garbus]

Here is a reference to using kivy with Arabic.  I hope this is helpful.  https://medium.com/@ahmedfgad/supporting-arabic-alphabet-in-kivy-for-building-cross-platform-applications-7a1e7c14a068

This video seems to use the same approach, but focused on Hindi: https://youtu.be/Ij-BvASZjO8

 

Good Luck!

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[Aman Kumar]

We have tried but noting change the problems remain same . 

 our code 

import kivy.app

import kivy.uix.label

import kivy.uix.button

import kivy.uix.textinput

import kivy.uix.boxlayout

import arabic_reshaper

import bidi.algorithm

class TestApp(kivy.app.App):

    def build(self):

        reshaped_text = arabic_reshaper.reshape("हिंदी अंतरिक्ष")

        bidi_text = bidi.algorithm.get_display(reshaped_text)

        label = kivy.uix.label.Label(text=bidi_text, font_name="font/NotoSansDevanagari-Regular.ttf")

        textInput = kivy.uix.textinput.TextInput(text=bidi_text, font_name="font/NotoSansDevanagari-Regular.ttf")

        button = kivy.uix.button.Button(text=bidi_text, font_name="font/NotoSansDevanagari-Regular.ttf")

        boxLayout = kivy.uix.boxlayout.BoxLayout(orientation="vertical")

        boxLayout.add_widget(label)

        boxLayout.add_widget(textInput)

        boxLayout.add_widget(button)

        return boxLayout

testApp = TestApp()

testApp.run()

These are some screenshot 

[Shashank Chintalagiri]

Aman,

See the following for some reference and test code for Indian language rendering using various libraries.

https://github.com/chintal/indic-fonts-test/blob/master/python/indic_font_test.py

The comments will give you some aid in being able to run it. Specifically, you will be interested in the pango text provider, or the harfbuzz+sdl2 stack.

As far as Linux on x86, x86-64, and arm, pango presently works with pip compiled (no-binary) packages of the standard kivy project. I cannot speak to other platforms. 

For harfbuzz, see 

https://github.com/kivy/kivy/pull/7452

Regards 

Shashank

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