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Pango rtl direction
Posted: 2017-07-18T02:03:05-07:00
by hafez
How can I set pango direction to right-to-left (rtl)?
According to
pango-view manual, pango has -rtl option but there is not any pango:rtl in
pango's list of defines.
I'm using imagemagick 6.8.9 with pango in PHP 7.0 on Ubuntu 16.04, and I want to turn off auto-dir and set direction manually like this:
Code: Select all
$img = new Imagick();
$img->setOption("pango:auto-dir", false);
$img->setOption("pango:rtl", true);
$img->newPseudoImage(0, 0, "pango:<span font_desc='Arial 12'>Hello World!</span>");
$img->setImageFormat('png');
But it doesn't work, can anyone help?
Re: Pango rtl direction
Posted: 2017-07-18T08:57:35-07:00
by snibgo
See pango.c. The pango base direction is set from the ImageInfo structure "direction", which at the command line is set by "-direction right-to-left".
But I'm not sure what RTL does, or what you want it to do. I don't suppose it should reverse the order of characters.
Re: Pango rtl direction
Posted: 2017-07-18T09:23:55-07:00
by hafez
snibgo wrote: ↑2017-07-18T08:57:35-07:00
See pango.c. The pango base direction is set from the ImageInfo structure "direction", which at the command line is set by "-direction right-to-left".
But I'm not sure what RTL does, or what you want it to do. I don't suppose it should reverse the order of characters.
How can I set -direction right-to-left in imagick php? I couldn't find any direction related method in
imagick php documents
Beside that, I also tried command line
Code: Select all
convert -direction right-to-left -define pango:auto-dir=false pango:"<span font_desc='vazircode 12'>هویج*\nCarrot*\n----------------</span>" label.gif
But pango's auto-direction didn't turn off and direction didn't set to RTL (Pango set Persian text direction to RTL automatically and English text direction to LTR automatically But I want whole text to be RTL).