draft masonry picture layout in posts xddd

где мои опиаты???
This commit is contained in:
celestora 2022-12-11 19:30:01 +02:00
parent 83714213f2
commit c566c7e402
8 changed files with 387 additions and 5 deletions

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@ -1,6 +1,7 @@
<?php declare(strict_types=1);
namespace openvk\Web\Models\Entities\Traits;
use openvk\Web\Models\Entities\Attachable;
use openvk\Web\Models\Entities\{Attachable, Photo};
use openvk\Web\Util\Makima\Makima;
use Chandler\Database\DatabaseConnection;
trait TAttachmentHost
@ -30,6 +31,45 @@ trait TAttachmentHost
}
}
function getChildrenWithLayout(int $w, int $h = -1): object
{
if($h < 0)
$h = $w;
$children = $this->getChildren();
$skipped = $photos = $result = [];
foreach($children as $child) {
if($child instanceof Photo) {
$photos[] = $child;
continue;
}
$skipped[] = ["100%", "unset", $child, "unset"];
}
$height = "unset";
$width = $w;
if(sizeof($photos) < 2) {
if(isset($photos[0]))
$result[] = ["100%", "unset", $photos[0], "unset"];
} else {
$mak = new Makima($photos);
$layout = $mak->computeMasonryLayout($w, $h);
$height = $layout->height;
$width = $layout->width;
for($i = 0; $i < sizeof($photos); $i++) {
$tile = $layout->tiles[$i];
$result[] = [$tile->width . "px", $tile->height . "px", $photos[$i], "left"];
}
}
return (object) [
"width" => $width . "px",
"height" => $height . "px",
"tiles" => array_merge($result, $skipped),
];
}
function attach(Attachable $attachment): void
{
DatabaseConnection::i()->getContext()

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@ -6,6 +6,8 @@
{/block}
{block content}
{php $GLOBALS["_bigWall"] = 1}
<div class="tabs">
<div n:attr="id => (isset($globalFeed) ? 'ki' : 'activetabs')" class="tab">
<a n:attr="id => (isset($globalFeed) ? 'ki' : 'act_tab_a')" href="/feed">{_my_news}</a>

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@ -2,7 +2,7 @@
{if !$attachment->isDeleted()}
{var $link = "/photo" . ($attachment->isAnonymous() ? ("s/" . base_convert((string) $attachment->getId(), 10, 32)) : $attachment->getPrettyId())}
<a href="{$link}">
<img class="media" src="{$attachment->getURLBySizeId('normal')}" alt="{$attachment->getDescription()}" />
<img class="media media_makima" src="{$attachment->getURLBySizeId('normal')}" alt="{$attachment->getDescription()}" />
</a>
{else}
<a href="javascript:alert('{_attach_no_longer_available}');">

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@ -52,9 +52,14 @@
<div class="text" id="text{$post->getPrettyId()}">
{$post->getText()|noescape}
<div n:ifcontent class="attachments_b">
<div class="attachment" n:foreach="$post->getChildren() as $attachment" data-localized-nsfw-text="{_nsfw_warning}">
{include "../attachment.xml", attachment => $attachment}
{var $width = ($GLOBALS["_bigWall"] ?? false) ? 550 : 320}
{if isset($GLOBALS["_nesAttGloCou"])}
{var $width = $width - 70 * $GLOBALS["_nesAttGloCou"]}
{/if}
{var $attachmentsLayout = $post->getChildrenWithLayout($width)}
<div n:ifcontent class="attachments_b" style="height: {$attachmentsLayout->height|noescape}; width: {$attachmentsLayout->width|noescape};">
<div class="attachment" n:foreach="$attachmentsLayout->tiles as $attachment" style="float: {$attachment[3]|noescape}; width: {$attachment[0]|noescape}; height: {$attachment[1]|noescape};" data-localized-nsfw-text="{_nsfw_warning}">
{include "../attachment.xml", attachment => $attachment[2]}
</div>
</div>
</div>

305
Web/Util/Makima/Makima.php Normal file
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@ -0,0 +1,305 @@
<?php declare(strict_types=1);
namespace openvk\Web\Util\Makima;
use openvk\Web\Models\Entities\Photo;
class Makima
{
private $photos;
const ORIENT_WIDE = 0;
const ORIENT_REGULAR = 1;
const ORIENT_SLIM = 2;
function __construct(array $photos)
{
if(sizeof($photos) < 2)
throw new \LogicException("Minimum attachment count for tiled layout is 2");
$this->photos = $photos;
}
private function getOrientation(Photo $photo, &$ratio): int
{
[$width, $height] = $photo->getDimensions();
$ratio = $width / $height;
if($ratio >= 1.2)
return Makima::ORIENT_WIDE;
else if($ratio >= 0.8)
return Makima::ORIENT_REGULAR;
else
return Makima::ORIENT_SLIM;
}
private function calculateMultiThumbsHeight(array $ratios, float $w, float $h, float $m): float
{
return ($w - (sizeof($ratios) - 1) * $m) / array_sum($ratios);
}
private function extractSubArr(array $arr, int $from, int $to): array
{
return array_slice($arr, $from, sizeof($arr) - $from - (sizeof($arr) - $to));
}
function computeMasonryLayout(float $maxWidth, float $maxHeight): MasonryLayout
{
$orients = [];
$ratios = [];
$count = sizeof($this->photos);
$result = new MasonryLayout;
foreach($this->photos as $photo) {
$orients[] = $this->getOrientation($photo, $ratio);
$ratios[] = $ratio;
}
$avgRatio = array_sum($ratios) / sizeof($ratios);
if($maxWidth < 0)
$maxWidth = $maxHeight = 510;
$maxRatio = $maxWidth / $maxHeight;
$marginWidth = $marginHeight = 2;
switch($count) {
case 2:
if(
$orients == [Makima::ORIENT_WIDE, Makima::ORIENT_WIDE] # two wide pics
&& $avgRatio > (1.4 * $maxRatio) && abs($ratios[0] - $ratios[1]) < 0.2 # that can be positioned on top of each other
) {
$computedHeight = ceil( min( $maxWidth / $ratios[0], min( $maxWidth / $ratios[1], ($maxHeight - $marginHeight) / 2 ) ) );
$result->colSizes = [1];
$result->rowSizes = [1, 1];
$result->width = ceil($maxWidth);
$result->height = $computedHeight;
$result->tiles = [new ThumbTile(1, 1, $maxWidth, $computedHeight), new ThumbTile(1, 1, $maxWidth, $computedHeight)];
} else if(
$orients == [Makima::ORIENT_WIDE, Makima::ORIENT_WIDE]
|| $orients == [Makima::ORIENT_REGULAR, Makima::ORIENT_REGULAR] # two normal pics of same ratio
) {
$computedWidth = ($maxWidth - $marginWidth) / 2;
$height = min( $computedWidth / $ratios[0], min( $computedWidth / $ratios[1], $maxHeight ) );
$result->colSizes = [1, 1];
$result->rowSizes = [1];
$result->width = ceil($maxWidth);
$result->height = ceil($height);
$result->tiles = [new ThumbTile(1, 1, $computedWidth, $height), new ThumbTile(1, 1, $computedWidth, $height)];
} else /* next to each other, different ratios */ {
$w0 = (
($maxWidth - $marginWidth) / $ratios[1] / ( (1 / $ratios[0]) + (1 / $ratios[1]) )
);
$w1 = $maxWidth - $w0 - $marginWidth;
$h = min($maxHeight, min($w0 / $ratios[0], $w / $ratios[1]));
$result->colSizes = [ceil($w0), ceil($w1)];
$result->rowSizes = [1];
$result->width = ceil($w0 + $w1 + $marginWidth);
$result->height = ceil($height);
$result->tiles = [new ThumbTile(1, 1, $w0, $h), new ThumbTile(1, 1, $w1, $h)];
}
break;
case 3:
# Three wide photos, we will put two of them below and one on top
if($orients == [Makima::ORIENT_WIDE, Makima::ORIENT_WIDE, Makima::ORIENT_WIDE]) {
$hCover = min($maxWidth / $ratios[0], ($maxHeight - $marginHeight) * (2 / 3));
$w2 = ($maxWidth - $marginWidth) / 2;
$h = min($maxHeight - $hCover - $margin, min($w2 / $ratios[1], $w2 / $ratios[2]));
$result->colSizes = [1, 1];
$result->rowSizes = [ceil($hCover), ceil($h)];
$result->width = ceil($maxWidth);
$result->height = ceil($marginHeight + $hCover + $h);
$result->tiles = [
new ThumbTile(2, 1, $maxWidth, $hCover),
new ThumbTile(1, 1, $w2, $h), new ThumbTile(1, 1, $w2, $h),
];
} else /* Photos have different sizes or are not wide, so we will put one to left and two to the right */ {
$wCover = min($maxHeight * $ratios[0], ($maxWidth - $marginWidth) * (3 / 4));
$h1 = ($ratios[1] * ($maxHeight - $marginHeight) / ($ratios[2] + $ratios[1]));
$h0 = $maxHeight - $marginHeight - $h1;
$w = min($maxWidth - $marginWidth - $wCover, min($h1 * $ratios[2], $h0 * $ratios[1]));
$result->colSizes = [ceil($wCover), ceil($w)];
$result->rowSizes = [ceil($h0), ceil($h1)];
$result->width = ceil($w + $wCover + $marginWidth);
$result->height = ceil($maxHeight);
$result->tiles = [
new ThumbTile(1, 2, $wCover, $maxHeight), new ThumbTile(1, 1, $w, $h0),
new ThumbTile(1, 1, $w, $h1),
];
}
break;
case 4:
# Four wide photos, we will put one to the top and rest below
if($orients == [Makima::ORIENT_WIDE, Makima::ORIENT_WIDE, Makima::ORIENT_WIDE, Makima::ORIENT_WIDE]) {
$hCover = min($maxWidth / $ratios[0], ($maxHeight - $marginHeight) / (2 / 3));
$h = ($maxWidth - 2 * $marginWidth) / (array_sum($ratios) - $ratios[0]);
$w0 = $h * $ratios[1];
$w1 = $h * $ratios[2];
$w2 = $h * $ratios[3];
$h = min($maxHeight - $marginHeight - $hCover, $h);
$result->colSizes = [ceil($w0), ceil($w1), ceil($w2)];
$result->rowSizes = [ceil($hCover), ceil($h)];
$result->width = ceil($maxWidth);
$result->height = ceil($hCover + $marginHeight + $h);
$result->tiles = [
new ThumbTile(3, 1, $maxWidth, $hCover),
new ThumbTile(1, 1, $w0, $h), new ThumbTile(1, 1, $w1, $h), new ThumbTile(1, 1, $w2, $h),
];
} else /* Four photos, we will put one to the left and rest to the right */ {
$wCover = min($maxHeight * $ratios[0], ($maxWidth - $marginWidth) * (2 / 3));
$w = ($maxHeight - 2 * $marginHeight) / (1 / $ratios[1] + 1 / $ratios[2] + 1 / $ratios[3]);
$h0 = $w / $ratios[1];
$h1 = $w / $ratios[2];
$h2 = $w / $ratios[3] + $marginHeight;
$w = min($w, $maxWidth - $marginWidth - $wCover);
$result->colSizes = [ceil($wCover), ceil($w)];
$result->rowSizes = [ceil($h0), ceil($h1), ceil($h2)];
$result->width = ceil($wCover + $marginWidth + $w);
$result->height = ceil($maxHeight);
$result->tiles = [
new ThumbTile(1, 3, $wCover, $maxHeight), new ThumbTile(1, 1, $w, $h0),
new ThumbTile(1, 1, $w, $h1),
new ThumbTile(1, 1, $w, $h1),
];
}
break;
default:
// как лопать пузырики
$ratiosCropped = [];
if($avgRatio > 1.1) {
foreach($ratios as $ratio)
$ratiosCropped[] = max($ratio, 1.0);
} else {
foreach($ratios as $ratio)
$ratiosCropped[] = min($ratio, 1.0);
}
$tries = [];
$firstLine;
$secondLine;
$thirdLine;
# Try one line:
$tries[$firstLine = $count] = [$this->calculateMultiThumbsHeight($ratiosCropped, $maxWidth, $marginWidth)];
# Try two lines:
for($firstLine = 1; $firstLine < ($count - 1); $firstLine++) {
$secondLine = $count - $firstLine;
$key = "$firstLine&$secondLine";
$tries[$key] = [
$this->calculateMultiThumbsHeight(array_slice($ratiosCropped, 0, $firstLine), $maxWidth, $marginWidth),
$this->calculateMultiThumbsHeight(array_slice($ratiosCropped, $firstLine), $maxWidth, $marginWidth),
];
}
# Try three lines:
for($firstLine = 1; $firstLine < ($count - 2); $firstLine++) {
for($secondLine = 1; $secondLine < ($count - $firstLine - 1); $secondLine++) {
$thirdLine = $count - $firstLine - $secondLine;
$key = "$firstLine&$secondLine&$thirdLine";
$tries[$key] = [
$this->calculateMultiThumbsHeight(array_slice($ratiosCropped, 0, $firstLine), $maxWidth, $marginWidth),
$this->calculateMultiThumbsHeight($this->extractSubArr($ratiosCropped, $firstLine, $firstLine + $secondLine), $maxWidth, $marginWidth),
$this->calculateMultiThumbsHeight($this->extractSubArr($ratiosCropped, $firstLine + $secondLine, sizeof($ratiosCropped)), $maxWidth, $marginWidth),
];
}
}
# Now let's find the most optimal configuration:
$optimalConfiguration = $optimalDifference = NULL;
foreach($tries as $config => $heights) {
$config = explode('&', $config);
$confH = $marginHeight * (sizeof($heights) - 1);
foreach($heights as $h)
$confH += $h;
$confDiff = abs($confH - $maxHeight);
if(sizeof($config) > 1)
if($config[0] > $config[1] || sizeof($config) >= 2 && $config[1] > $config[2])
$confDiff *= 1.1;
if(!$optimalConfiguration || $confDigff < $optimalDifference) {
$optimalConfiguration = $config;
$optimalDifference = $confDiff;
}
}
$thumbsRemain = $this->photos;
$ratiosRemain = $ratiosCropped;
$optHeights = $tries[implode('&', $optimalConfiguration)];
$k = 0;
$result->width = ceil($maxWidth);
$result->rowSizes = [sizeof($optHeights)];
$result->tiles = [];
$totalHeight = 0.0;
$gridLineOffsets = [];
$rowTiles = []; // vector<vector<ThumbTile>>
for($i = 0; $i < sizeof($optConf); $i++) {
$lineChunksNum = $optConf[$i];
$lineThumbs = [];
for($j = 0; $j < $lineChunksNum; $j++)
$lineThumbs[] = array_shift($thumbsRemain);
$lineHeight = $optHeights[$i];
$totalHeight += $lineHeight;
$result->rowSizes[$i] = ceil($lineHeight);
$totalWidth = 0;
$row = [];
for($j = 0; $j < sizeof($lineThumbs); $j++) {
$thumbRatio = array_shift($ratiosRemain);
if($j == sizeof($lineThumbs) - 1)
$w = $maxWidth - $totalWidth;
else
$w = $thumbRatio * $lineHeight;
$totalWidth += ceil($w);
if($j < (sizeof($lineThumbs) - 1) && !in_array($totalWidth, $gridLineOffsets))
$gridLineOffsets[] = $totalWidth;
$tile = new ThumbTile(1, 1, $w, $lineHeight);
$result->tiles[$k++] = $row[] = $tile;
}
$result->rowTiles[] = $row;
}
sort($gridLineOffsets, SORT_NUMERIC);
$gridLineOffsets[] = $maxWidth;
$result->colSizes = [$gridLineOffsets[0]];
for($i = sizeof($gridLineOffsets) - 1; $i > 0; $i--)
$result->colSizes[$i] = $gridLineOffsets[$i] - $gridLineOffsets[$i - 1];
foreach($rowTiles as $row) {
$columnOffset = 0;
foreach($row as $tile) {
$startColumn = $columnOffset;
$width = 0;
$tile->colSpan = 0;
for($i = $startColumn; $i < sizeof($result->colSizes); $i++) {
$width += $result->colSizes[$i];
$tile->colSpan++;
if($width == $tile->width)
break;
}
$columnOffset += $tile->colSpan;
}
}
$result->height = ceil($totalHeight + $marginHeight * (sizeof($optHeights) - 1));
break;
}
return $result;
}
}

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@ -0,0 +1,10 @@
<?php declare(strict_types=1);
namespace openvk\Web\Util\Makima;
class MasonryLayout {
public $colSizes;
public $rowSizes;
public $tiles;
public $width;
public $height;
}

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@ -0,0 +1,14 @@
<?php declare(strict_types=1);
namespace openvk\Web\Util\Makima;
class ThumbTile {
public $width;
public $height;
public $rowSpan;
public $colSpan;
function __construct(int $rs, int $cs, float $w, float $h)
{
[$this->width, $this->height, $this->rowSpan, $this->colSpan] = [ceil($w), ceil($h), $rs, $cs];
}
}

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@ -651,6 +651,12 @@ h4 {
image-rendering: -webkit-optimize-contrast;
}
.post-content .media_makima {
width: calc(100% - 4px);
height: calc(100% - 4px);
object-fit: cover;
}
.post-signature {
margin: 4px;
margin-bottom: 2px;