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Use base image size 

Signed-off-by: John Molakvoæ (skjnldsv) <skjnldsv@protonmail.com>
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John Molakvoæ (skjnldsv) 2018-05-05 18:19:42 +02:00
parent adf3856d35
commit c1766b2abc
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1 changed files with 13 additions and 15 deletions
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26
lib/private/Avatar.php
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@ -57,11 +57,18 @@ class Avatar implements IAvatar {
private $logger; private $logger;
/** @var IConfig */ /** @var IConfig */
private $config; private $config;
/** @var string */
/**
* https://github.com/sebdesign/cap-height -- for 500px height
* Open Sans cap-height is 0.72 and we want a 200px caps height size (0.4 letter-to-total-height ratio, 500*0.4=200). 200/0.72 = 278px.
* Since we start from the baseline (text-anchor) we need to shift the y axis by 100px (half the caps height): 500/2+100=350
*
* @var string
*/
private $svgTemplate = ' private $svgTemplate = '
<svg width="{size}" height="{size}" version="1.1" viewBox="0 0 {size} {size}" xmlns="http://www.w3.org/2000/svg"> <svg width="{size}" height="{size}" version="1.1" viewBox="0 0 500 500" xmlns="http://www.w3.org/2000/svg">
<rect width="100%" height="100%" fill="#{fill}"></rect> <rect width="100%" height="100%" fill="#{fill}"></rect>
<text x="50%" y="{y}" style="font-weight:600;font-size:{font}px;font-family:\'Open Sans\';text-anchor:middle;fill:#fff">{letter}</text> <text x="50%" y="350" style="font-weight:600;font-size:278px;font-family:\'Open Sans\';text-anchor:middle;fill:#fff">{letter}</text>
</svg>'; </svg>';
/** /**
@ -265,13 +272,8 @@ class Avatar implements IAvatar {
} }
/** /**
* https://github.com/sebdesign/cap-height -- for 500px height
* Open Sans cap-height is 0.72 and we want a 200px caps height size (0.4 letter-to-total-height ratio, 500*0.4=200). 200/0.72 = 278px.
* Since we start from the baseline (text-anchor) we need to shift the y axis by 100px (half the caps height): 500/2+100=350 -->
* {size} = 500 * {size} = 500
* {fill} = hex color to fill * {fill} = hex color to fill
* {y} = top to bottom baseline text-anchor y position
* {font} = font size
* {letter} = Letter to display * {letter} = Letter to display
* *
* Generate SVG avatar * Generate SVG avatar
@ -283,14 +285,10 @@ class Avatar implements IAvatar {
$bgRGB = $this->avatarBackgroundColor($userDisplayName); $bgRGB = $this->avatarBackgroundColor($userDisplayName);
$bgHEX = sprintf("%02x%02x%02x", $bgRGB->r, $bgRGB->g, $bgRGB->b); $bgHEX = sprintf("%02x%02x%02x", $bgRGB->r, $bgRGB->g, $bgRGB->b);
$letter = mb_strtoupper(mb_substr($userDisplayName, 0, 1), 'UTF-8'); $letter = mb_strtoupper(mb_substr($userDisplayName, 0, 1), 'UTF-8');
$font = round($size * 0.4);
$fontSize = round($font / 0.72);
$y = round($size/2 + $font/2);
$toReplace = ['{size}', '{fill}', '{y}', '{font}', '{letter}'];
return str_replace($toReplace, [$size, $bgHEX, $y, $fontSize, $letter], $this->svgTemplate); $toReplace = ['{size}', '{fill}', '{letter}'];
return str_replace($toReplace, [$size, $bgHEX, $letter], $this->svgTemplate);
} }
/** /**