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画像ライブラリーはクラス化、TGA対応の追加

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テクニカル諏訪子
2025-12-31 10:37:53 +09:00
parent 9a5d5db5f3
commit 105cbdec7d
11 changed files with 384 additions and 213 deletions
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1
config/config.sample.php
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@@ -30,3 +30,4 @@ define('CURL_ENABLED', true);
define('AUTH_ENABLED', false); define('AUTH_ENABLED', false);
define('AUTH_REGISTER_ENABLED', false); define('AUTH_REGISTER_ENABLED', false);
define('COPYRIGHT_YEAR', '2018-'.date('Y')); define('COPYRIGHT_YEAR', '2018-'.date('Y'));
define('DEBUG_MODE', false);

4
newpost.php
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@@ -2,7 +2,8 @@
if (!isset($argv[1])) die('usage: php newpost.php [slug]'); if (!isset($argv[1])) die('usage: php newpost.php [slug]');
if (file_exists("blog/{$argv[1]}.md")) die("エラー： ファイル「blog/{$argv[1]}.md」は既に存在します。\n"); if (file_exists("blog/{$argv[1]}.md")) die("エラー： ファイル「blog/{$argv[1]}.md」は既に存在します。\n");
define('CURL_ENABLED', false); // 黙れ・・・ define('ROOT', realpath(__DIR__));
require_once ROOT.'/config/config.php';
include('util.php'); include('util.php');
$post = fopen("blog/{$argv[1]}.md", "w"); $post = fopen("blog/{$argv[1]}.md", "w");
fwrite($post, "title: 【】\n"); fwrite($post, "title: 【】\n");
@@ -14,4 +15,3 @@ fwrite($post, "thumborient: center\n");
fwrite($post, "category: \n"); fwrite($post, "category: \n");
fwrite($post, "----\n"); fwrite($post, "----\n");
fclose($post); fclose($post);
?>

7
route.php
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@@ -1,6 +1,4 @@
<?php <?php
error_reporting(E_ALL);
ini_set('display_errors', 1);
require_once __DIR__.DIRECTORY_SEPARATOR.'/autoload.php'; require_once __DIR__.DIRECTORY_SEPARATOR.'/autoload.php';
@@ -16,8 +14,13 @@ use Site\Controller\User;
define('ROOT', realpath(__DIR__)); define('ROOT', realpath(__DIR__));
include(ROOT.'/config/config.php'); include(ROOT.'/config/config.php');
if (DEBUG_MODE) {
error_reporting(E_ALL);
ini_set('display_errors', 1);
}
include(ROOT.'/util.php'); include(ROOT.'/util.php');
$routes = [ $routes = [
Route::add('GET', 'blog/{page}', Home::class.'@article'), Route::add('GET', 'blog/{page}', Home::class.'@article'),
Route::add('GET', 'about', Page::class.'@about'), Route::add('GET', 'about', Page::class.'@about'),

237
src/Site/Lib/Image.php
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@@ -1,6 +1,12 @@
<?php <?php
namespace Site\Lib; namespace Site\Lib;
use Site\Lib\Image\ImageInterface;
use Site\Lib\Image\Gif;
use Site\Lib\Image\Jpeg;
use Site\Lib\Image\Png;
use Site\Lib\Image\Targa;
class RGB { class RGB {
public int $r; public int $r;
public int $g; public int $g;
@@ -19,220 +25,50 @@ class Image {
public string $filename = 'UNKNOWN'; public string $filename = 'UNKNOWN';
public string $extension = 'UNKNOWN'; public string $extension = 'UNKNOWN';
public string $type = 'UNSUPPORTED'; public string $type = 'UNSUPPORTED';
public int $width = 0;
public int $height = 0;
public int $bpp = 0;
public int $bitDepth = 0;
public int $numColors = 0; // GIF, PNG
public int $colorType = 0; // PNG
public string $compression = 'NONE'; // GIF, PNG
public int $filter = 0; // PNG
public int $interlace = 0; // GIF, PNG
public bool $hasAlpha = false;
public int $bgColor = 0; // GIF
public float $delayTime = 0; // GIF
public array $globalColorTable = []; // GIF
public int $numTransparentPixels = 0; // GIF
public int $lzwMinCodeSize = 0; // GIF
public string $imageData = '';
public string $size = '0 B'; public string $size = '0 B';
public int $bytes = 0; public int $bytes = 0;
public \stdClass $fullInfo; public \stdClass $fullInfo;
private array $supported = [
'image/gif' => Gif::class,
'image/jpeg' => Jpeg::class,
'image/png' => Png::class,
'image/x-tga' => Targa::class,
];
public function __construct(string $file) { public function __construct(string $file) {
$file = ROOT.$file; $file = ROOT.$file;
// $file = ROOT.'/public/static/article/mock-screenshot.jpg'; // $file = ROOT.'/public/static/article/mock-screenshot.tga';
if (!file_exists($file)) return; if (!file_exists($file)) return;
$fp = fopen($file, 'rb'); $fp = fopen($file, 'rb');
if (!$fp) return; if (!$fp) return;
$extBytes = fread($fp, 15); $extBytes = fread($fp, 15);
fclose($fp); fclose($fp);
$this->bytes = filesize($file); $this->bytes = filesize($file);
$this->size = $this->formatBytes($this->bytes); $this->size = $this->formatBytes($this->bytes);
$this->extension = pathinfo($file, PATHINFO_EXTENSION); $this->extension = pathinfo($file, PATHINFO_EXTENSION);
$this->filename = str_replace('.'.$this->extension, '', array_last(explode('/', $file))); $this->filename = str_replace('.'.$this->extension, '', array_last(explode('/', $file)));
if ($extBytes === false) return; if (substr($extBytes, 0, 3) === "\xff\xd8\xff") $this->type = 'image/jpeg';
else if (substr($extBytes, 0, 3) === "\xff\xd8\xff") { else if (substr($extBytes, 0, 15) === "\x52\x49\x46\x46\x1a\x28\x00\x00\x57\x45\x42\x50\x56\x50\x38") $this->type = 'image/webp';
$this->type = 'image/jpeg'; else if (substr($extBytes, 0, 3) === "\x42\x4d\x36") $this->type = 'image/bmp';
$this->parseJPEG($file); else if (substr($extBytes, 0, 6) === "\x89\x50\x4e\x47\x0d\x0a") $this->type = 'image/png';
} else if (substr($extBytes, 0, 15) === "\x52\x49\x46\x46\x1a\x28\x00\x00\x57\x45\x42\x50\x56\x50\x38") { else if (substr($extBytes, 0, 6) === "\x47\x49\x46\x38\x37\x61" || substr($extBytes, 0, 6) === "\x47\x49\x46\x38\x39\x61") $this->type = 'image/gif';
$this->type = 'image/webp'; else if (str_ends_with($file, '.tga')) $this->type = 'image/x-tga';
// $this->parseWEBP($file);
} else if (substr($extBytes, 0, 3) === "\x42\x4d\x36") { $this->fullInfo = $this->createHandler($this->type)->parse($file);
$this->type = 'image/bmp'; $this->fullInfo->type = $this->type;
// $this->parseBMP($file); $this->fullInfo->size = $this->size;
} else if (substr($extBytes, 0, 6) === "\x89\x50\x4e\x47\x0d\x0a") { $this->fullInfo->bytes = $this->bytes;
$this->type = 'image/png';
$this->fullInfo = $this->parsePNG($file);
} else if (substr($extBytes, 0, 6) === "\x47\x49\x46\x38\x37\x61" || substr($extBytes, 0, 6) === "\x47\x49\x46\x38\x39\x61") {
$this->type = 'image/gif';
$this->fullInfo = $this->parseGIF($file);
} else if (str_ends_with($file, '.tga')) {
$this->type = 'image/tga';
// $this->parseTGA($file);
}
} }
private function parseJPEG(string $file): \stdClass { ///////////////
$jpg = new \stdClass;
$fp = fopen($file, 'rb');
$i = 0; private function createHandler(string $ext): ImageInterface {
while (!feof($fp)) { $class = $this->supported[$ext] ?? null;
$byte = fread($fp, 1); if (!$class) throw new \RuntimeException("形式のハンドルが存在しない： {$ext}");
if ($byte !== "\xFF") continue; return new $class();
$marker = ord(fread($fp, 1));
if ($marker >= 0xC0 && $marker <= 0xC3) { // 0xC0 = SOF0, 0xC1 = SOF1, 0xC2 = SOF2, 0xC3 = SOF3
fread($fp, 2);
$this->bpp = ord(fread($fp, 1));
// n = ビッグエンディアン（2ビット）
$this->height = unpack('n', fread($fp, 2))[1];
$this->width = unpack('n', fread($fp, 2))[1];
$jpg->width = $this->width;
$jpg->height = $this->height;
$jpg->bpp = $this->bpp;
} else if ($marker == 0xC4) { // DHT (Huffmanテーブル（複数可）)
//
} else if ($marker == 0xDB) { // DQT (量子化テーブル（複数可）)
//
} else if ($marker == 0xDD) { // DRI (リセット期間)
} else if ($marker == 0xDA) { // SOS（画像開始）
} else if ($marker >= 0xD0 && $marker <= 0xD7) { // RST
} else if ($marker >= 0xE1 && $marker <= 0xEF) { // APP
} else if ($marker == 0xFE) { // COM
} else if ($marker == 0xD9) { // EOI（画像終了）
break;
}
}
// kys($jpg);
$i++;
fclose($fp);
return $jpg;
}
/**
* TODO: 現在、IHDRヘッダーのみを受け取る
*/
private function parsePNG(string $file): \stdClass {
$png = new \stdClass();
$fp = fopen($file, 'rb');
fread($fp, 8); // マジックのスキップ
unpack('N', fread($fp, 4))[1];
$type = fread($fp, 4);
if ($type !== 'IHDR') {
fclose($fp);
return $png;
}
// IHDRデータ
$data = fread($fp, 13);
// N = ビッグエンディアン（4ビット）
$this->width = unpack('N', substr($data, 0, 4))[1];
$this->height = unpack('N', substr($data, 4, 4))[1];
$this->bitDepth = ord($data[8]);
$this->numColors = 1 << $this->bitDepth;
$this->colorType = ord($data[9]);
$this->compression = 'DEFLATE';
$this->filter = ord($data[11]);
$this->interlace = ord($data[12]); // 0 = なし, 1 = Adam7
$this->bpp = $this->bitDepth * $this->getSamplesPerPixel($this->colorType);
$this->delayTime = 0;
$this->hasAlpha = ($this->colorType === 4 || $this->colorType === 6);
$png->width = $this->width;
$png->height = $this->height;
$png->bitDepth = $this->bitDepth;
$png->numColors = $this->numColors;
$png->colorType = $this->colorType;
$png->compression = $this->compression;
$png->filter = $this->filter;
$png->interlace = $this->interlace;
$png->bpp = $this->bpp;
$png->delayTime = $this->delayTime;
$png->hasAlpha = $this->hasAlpha;
fclose($fp);
return $png;
}
/**
* TODO: 現在、インタレースした画像が未対応です。
*/
private function parseGIF(string $file): \stdClass {
$gif = new \stdClass();
$fp = fopen($file, 'rb');
$magic = fread($fp, 6); // マジックのスキップ
// v = リトルエンディアン（2ビット）
$this->width = unpack('v', fread($fp, 2))[1];
$this->height = unpack('v', fread($fp, 2))[1];
$packed = ord(fread($fp, 1));
$this->bitDepth = ($packed & 0x07) + 1;
$this->numColors = 1 << $this->bitDepth;
$hasGct = $this->bitDepth === 8;
$gif->width = $this->width;
$gif->height = $this->height;
$gif->bitDepth = $this->bitDepth;
$gif->numColors = $this->numColors;
if ($magic === 'GIF87a' || !$hasGct) return $gif; // それ以外情報がない
$this->bgColor = (int)bin2hex(fread($fp, 1));
$gif->bgColor = $this->bgColor;
bin2hex(fread($fp, 1)); // いつでも 0:0？
$gceLen = 0;
while (!feof($fp)) {
$skip = bin2hex(fread($fp, 3));
$color = new RGB((int)($skip[0].$skip[1]), (int)($skip[2].$skip[3]), (int)($skip[4].$skip[5]));
$this->globalColorTable[] = $color->rgb;
if ($skip[0].$skip[1] === '21' && $skip[2].$skip[3] === 'f9') {
$gceLen = (int)($skip[4].$skip[5]);
break;
}
}
// GCE開始
$this->hasAlpha = (ord(fread($fp, 1)) & 0x01) === 0x01;
$this->delayTime = (unpack('v', fread($fp, 2))[1]) / 100.0;
$this->numTransparentPixels = ord(fread($fp, 1));
$gif->hasAlpha = $this->hasAlpha;
$gif->delayTime = $this->delayTime;
$gif->numTransparentPixels = $this->numTransparentPixels;
fread($fp, 1); // GCE終了
fread($fp, 1); // 画像指定子開始
fread($fp, 4); // 画面のXとY、いつでも(0, 0)
fread($fp, 4); // 画像のサイズ、関数の開始で既に保存した
$pack = ord(fread($fp, 1));
$this->interlace = ($pack & 0x40); // 画像のサイズ、関数の開始で既に保存した
$this->lzwMinCodeSize = ord(fread($fp, 1)); // 画像データ開始
$gif->lzwMinCodeSize = $this->lzwMinCodeSize;
$imageData = '';
while (true) {
$blockSize = ord(fread($fp, 1));
if ($blockSize === 0) break;
$imageData .= fread($fp, 1);
}
$this->imageData = base64_encode($imageData);
$this->colorType = 3;
$this->compression = 'LZW';
$gif->colorType = $this->colorType;
$gif->compression = $this->compression;
$gif->globalColorTable = $this->globalColorTable;
$gif->imageData = $this->imageData;
fclose($fp);
return $gif;
} }
private function formatBytes(int $size, int $precision = 2): string { private function formatBytes(int $size, int $precision = 2): string {
@@ -240,15 +76,4 @@ class Image {
for ($i = 0; $size > 1024 && $i < count($units) - 1; ++$i) $size /= 1024; for ($i = 0; $size > 1024 && $i < count($units) - 1; ++$i) $size /= 1024;
return round($size, $precision).' '.$units[$i]; return round($size, $precision).' '.$units[$i];
} }
private function getSamplesPerPixel(int $colorType): int {
return match($colorType) {
0 => 1, // グレースケール
2 => 3, // RGB
3 => 1, // 指標した色（ペレット）
4 => 2, // グレースケール＋アルファ
6 => 4, // RGBA
default => 1,
};
}
} }

91
src/Site/Lib/Image/Gif.php Normal file
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@@ -0,0 +1,91 @@
<?php
namespace Site\Lib\Image;
use Site\Lib\Image\ImageInterface;
class Gif implements ImageInterface {
public int $width = 0;
public int $height = 0;
public int $bitDepth = 0;
public int $numColors = 0;
public string $compression = 'NONE';
public int $interlace = 0;
public int $bgColor = 0;
public float $delayTime = 0;
public array $globalColorTable = [];
public int $numTransparentPixels = 0;
public int $lzwMinCodeSize = 0;
public string $imageData = '';
/**
* TODO: 現在、インタレースした画像が未対応です。
*/
public function parse(string $file): \stdClass {
$gif = new \stdClass();
$fp = fopen($file, 'rb');
$magic = fread($fp, 6); // マジックのスキップ
// v = リトルエンディアン（2ビット）
$this->width = unpack('v', fread($fp, 2))[1];
$this->height = unpack('v', fread($fp, 2))[1];
$packed = ord(fread($fp, 1));
$this->bitDepth = ($packed & 0x07) + 1;
$this->numColors = 1 << $this->bitDepth;
$hasGct = $this->bitDepth === 8;
$gif->width = $this->width;
$gif->height = $this->height;
$gif->bitDepth = $this->bitDepth;
$gif->numColors = $this->numColors;
if ($magic === 'GIF87a' || !$hasGct) return $gif; // それ以外情報がない
$this->bgColor = (int)bin2hex(fread($fp, 1));
$gif->bgColor = $this->bgColor;
bin2hex(fread($fp, 1)); // いつでも 0:0？
$gceLen = 0;
while (!feof($fp)) {
$skip = bin2hex(fread($fp, 3));
$color = new RGB((int)($skip[0].$skip[1]), (int)($skip[2].$skip[3]), (int)($skip[4].$skip[5]));
$this->globalColorTable[] = $color->rgb;
if ($skip[0].$skip[1] === '21' && $skip[2].$skip[3] === 'f9') {
$gceLen = (int)($skip[4].$skip[5]);
break;
}
}
// GCE開始
$this->hasAlpha = (ord(fread($fp, 1)) & 0x01) === 0x01;
$this->delayTime = (unpack('v', fread($fp, 2))[1]) / 100.0;
$this->numTransparentPixels = ord(fread($fp, 1));
$gif->hasAlpha = $this->hasAlpha;
$gif->delayTime = $this->delayTime;
$gif->numTransparentPixels = $this->numTransparentPixels;
fread($fp, 1); // GCE終了
fread($fp, 1); // 画像指定子開始
fread($fp, 4); // 画面のXとY、いつでも(0, 0)
fread($fp, 4); // 画像のサイズ、関数の開始で既に保存した
$pack = ord(fread($fp, 1));
$this->interlace = ($pack & 0x40); // 画像のサイズ、関数の開始で既に保存した
$this->lzwMinCodeSize = ord(fread($fp, 1)); // 画像データ開始
$gif->lzwMinCodeSize = $this->lzwMinCodeSize;
$imageData = '';
while (true) {
$blockSize = ord(fread($fp, 1));
if ($blockSize === 0) break;
$imageData .= fread($fp, 1);
}
$this->imageData = base64_encode($imageData);
$this->colorType = 3;
$this->compression = 'LZW';
$gif->colorType = $this->colorType;
$gif->compression = $this->compression;
$gif->globalColorTable = $this->globalColorTable;
$gif->imageData = $this->imageData;
fclose($fp);
return $gif;
}
}

6
src/Site/Lib/Image/ImageInterface.php Normal file
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@@ -0,0 +1,6 @@
<?php
namespace Site\Lib\Image;
interface ImageInterface {
public function parse(string $file): \stdClass;
}

54
src/Site/Lib/Image/Jpeg.php Normal file
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@@ -0,0 +1,54 @@
<?php
namespace Site\Lib\Image;
use Site\Lib\Image\ImageInterface;
class Jpeg implements ImageInterface {
public int $width = 0;
public int $height = 0;
public int $bpp = 0;
public string $imageData = '';
/**
* TODO: 現在、IHDRヘッダーのみを受け取る
*/
public function parse(string $file): \stdClass {
$jpg = new \stdClass;
$fp = fopen($file, 'rb');
$i = 0;
while (!feof($fp)) {
$byte = fread($fp, 1);
if ($byte !== "\xFF") continue;
$marker = ord(fread($fp, 1));
if ($marker >= 0xC0 && $marker <= 0xC3) { // 0xC0 = SOF0, 0xC1 = SOF1, 0xC2 = SOF2, 0xC3 = SOF3
fread($fp, 2);
$this->bpp = ord(fread($fp, 1));
// n = ビッグエンディアン（2ビット）
$this->height = unpack('n', fread($fp, 2))[1];
$this->width = unpack('n', fread($fp, 2))[1];
$jpg->width = $this->width;
$jpg->height = $this->height;
$jpg->bpp = $this->bpp;
} else if ($marker == 0xC4) { // DHT (Huffmanテーブル（複数可）)
//
} else if ($marker == 0xDB) { // DQT (量子化テーブル（複数可）)
//
} else if ($marker == 0xDD) { // DRI (リセット期間)
} else if ($marker == 0xDA) { // SOS（画像開始）
} else if ($marker >= 0xD0 && $marker <= 0xD7) { // RST
} else if ($marker >= 0xE1 && $marker <= 0xEF) { // APP
} else if ($marker == 0xFE) { // COM
} else if ($marker == 0xD9) { // EOI（画像終了）
break;
}
}
// kys($jpg);
$i++;
fclose($fp);
return $jpg;
}
}

74
src/Site/Lib/Image/Png.php Normal file
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@@ -0,0 +1,74 @@
<?php
namespace Site\Lib\Image;
use Site\Lib\Image\ImageInterface;
class Png implements ImageInterface {
public int $width = 0;
public int $height = 0;
public int $bpp = 0;
public int $bitDepth = 0;
public int $numColors = 0;
public int $colorType = 0;
public string $compression = 'NONE';
public int $filter = 0;
public int $interlace = 0;
public bool $hasAlpha = false;
public string $imageData = '';
public function parse(string $file): \stdClass {
$png = new \stdClass();
$fp = fopen($file, 'rb');
fread($fp, 8); // マジックのスキップ
unpack('N', fread($fp, 4))[1];
$type = fread($fp, 4);
if ($type !== 'IHDR') {
fclose($fp);
return $png;
}
// IHDRデータ
$data = fread($fp, 13);
// N = ビッグエンディアン（4ビット）
$this->width = unpack('N', substr($data, 0, 4))[1];
$this->height = unpack('N', substr($data, 4, 4))[1];
$this->bitDepth = ord($data[8]);
$this->numColors = 1 << $this->bitDepth;
$this->colorType = ord($data[9]);
$this->compression = 'DEFLATE';
$this->filter = ord($data[11]);
$this->interlace = ord($data[12]); // 0 = なし, 1 = Adam7
$this->bpp = $this->bitDepth * $this->getSamplesPerPixel($this->colorType);
$this->hasAlpha = ($this->colorType === 4 || $this->colorType === 6);
$png->width = $this->width;
$png->height = $this->height;
$png->bitDepth = $this->bitDepth;
$png->numColors = $this->numColors;
$png->colorType = $this->colorType;
$png->compression = $this->compression;
$png->filter = $this->filter;
$png->interlace = $this->interlace;
$png->bpp = $this->bpp;
$png->hasAlpha = $this->hasAlpha;
fclose($fp);
return $png;
}
///////////////
private function getSamplesPerPixel(int $colorType): int {
return match($colorType) {
0 => 1, // グレースケール
2 => 3, // RGB
3 => 1, // 指標した色（ペレット）
4 => 2, // グレースケール＋アルファ
6 => 4, // RGBA
default => 1,
};
}
}

115
src/Site/Lib/Image/Targa.php Normal file
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@@ -0,0 +1,115 @@
<?php
namespace Site\Lib\Image;
use Site\Lib\Image\ImageInterface;
class Targa implements ImageInterface {
public int $id = 0;
public int $colorMapType = 0;
public int $imageTypeByte = 0;
public string $imageType = '';
public int $colorMapEntryIndex = 0;
public int $colorMapLength = 0;
public int $colorMapBits = 0;
public int $x = 0;
public int $y = 0;
public int $width = 0;
public int $height = 0;
public int $bitDepth = 0;
public int $bpp = 0;
public int $interlace = 0;
public int $isRightToLeft = 0; // 0 = 左→右, 1 = 右→左
public int $isTopToBottom = 0; // 0 = 下→上, 1 = 上→下
public int $alphaBits = 0;
public bool $hasAlpha = false;
//--------
public string $imageId = '';
public string $colorMapData = '';
public string $imageData = '';
private array $imageTypes = [
0 => 'NO DATA',
1 => 'UNCOMPRESSED COLOR-MAPPED IMAGE',
2 => 'UNCOMPRESSED TRUE COLOR IMAGE',
3 => 'UNCOMPRESSED GRAYSCALE IMAGE',
9 => 'RUN-LENGTH ENCODED COLOR-MAPPED IMAGE',
10 => 'RUN-LENGTH ENCODED TRUE-COLOR IMAGE',
11 => 'RUN-LENGTH ENCODED GRAYSCALE IMAGE',
32 => 'HUFFMAN-DELTA-RUN-LENGTH ENCODED COLOR-MAPPED IMAGE',
33 => 'HUFFMAN-DELTA-RUN-LENGTH-4-PASS-QUADTREE-TYPE PROCESS ENCODED COLOR-MAPPED IMAGE',
];
public function parse(string $file): \stdClass {
$tga = new \stdClass();
$fp = fopen($file, 'rb');
$this->id = ord(fread($fp, 1));
$this->colorMapType = ord(fread($fp, 1)); // 0 = なし, 1 = あり, 2~127 = Truevision向け, 128~255 = 開発者向け
$this->imageTypeByte = ord(fread($fp, 1));
$this->imageType = $this->imageTypes[$this->imageTypeByte];
$tga->id = $this->id;
$tga->colorMapType = $this->colorMapType;
$tga->imageTypeByte = $this->imageTypeByte;
$tga->imageType = $this->imageType;
$this->colorMapEntryIndex = unpack('v', fread($fp, 2))[1];
$this->colorMapLength = unpack('v', fread($fp, 2))[1];
$this->colorMapBits = ord(fread($fp, 1));
$tga->colorMapEntryIndex = $this->colorMapEntryIndex;
$tga->colorMapLength = $this->colorMapLength;
$tga->colorMapBits = $this->colorMapBits;
$this->x = unpack('v', fread($fp, 2))[1];
$this->y = unpack('v', fread($fp, 2))[1];
$this->width = unpack('v', fread($fp, 2))[1];
$this->height = unpack('v', fread($fp, 2))[1];
$this->bitDepth = ord(fread($fp, 1));
$tga->x = $this->x;
$tga->y = $this->y;
$tga->width = $this->width;
$tga->height = $this->height;
$tga->bitDepth = $this->bitDepth;
$desc = ord(fread($fp, 1));
$this->interlace = ($desc & 0xC0) >> 6;
$this->isTopToBottom = ($desc & 0x20) !== 0;
$this->isRightToLeft = ($desc & 0x10) !== 0;
$this->alphaBits = $desc & 0x0F;
$this->hasAlpha = ($this->alphaBits == 8) && in_array($this->imageTypeByte == [2, 3, 10, 11]);
$tga->interlace = $this->interlace;
$tga->isRightToLeft = $this->isRightToLeft;
$tga->isTopToBottom = $this->isTopToBottom;
$tga->alphaBits = $this->alphaBits;
$tga->hasAlpha = $this->hasAlpha;
$needsXFlip = $tga->isRightToLeft;
$needsYFlip = !$tga->isTopToBottom;
// 0010 0000
//---------
$imageIdBytes = $this->id;
$colorMapBytes = 0;
if ($this->colorMapType === 1 && $this->colorMapLength > 0) {
$bytesPerEntry = (int)($this->colorMapBits / 8);
$colorMapBytes = $this->colorMapLength * $bytesPerEntry;
}
$this->imageId = $imageIdBytes > 0 ? fread($fp, $imageIdBytes) : '';
$this->colorMapData = $colorMapBytes > 0 ? fread($fp, $colorMapBytes) : '';
$tga->imageId = $this->imageId;
$tga->colorMapData = $this->colorMapData;
if (in_array($this->imageTypeByte, [9, 10, 11])) { // RLE
// TODO
} else if (in_array($this->imageTypeByte, [1, 2, 3])) { // 非圧縮化
$this->bpp = (int)($this->bitDepth / 8);
$bytes = $this->width * $this->height * $this->bpp;
$this->imageData = fread($fp, $bytes);
$tga->bpp = $this->bpp;
$tga->imageData = $this->imageData;
}
fclose($fp);
return $tga;
}
}

2
util.php
View File

@@ -127,6 +127,7 @@ function uuid(): string {
} }
function kys(mixed $arg): void { function kys(mixed $arg): void {
if (!DEBUG_MODE) return;
if (gettype($arg) == 'boolean') $arg = $arg === true ? 'true' : 'false'; if (gettype($arg) == 'boolean') $arg = $arg === true ? 'true' : 'false';
if (gettype($arg) == 'array' || gettype($arg) == 'object') { if (gettype($arg) == 'array' || gettype($arg) == 'object') {
foreach ($arg as $a) { if (gettype($a) == 'boolean') $a = $a === true ? 'true' : 'false'; } foreach ($arg as $a) { if (gettype($a) == 'boolean') $a = $a === true ? 'true' : 'false'; }
@@ -140,6 +141,7 @@ function kys(mixed $arg): void {
} }
function ffs(): void { function ffs(): void {
if (!DEBUG_MODE) return;
echo '<style>html { color: #fcfcfc; background-color: #232023; } body { margin: 0; }</style>'; echo '<style>html { color: #fcfcfc; background-color: #232023; } body { margin: 0; }</style>';
echo '<header style="padding: 10px 0; display: flex; justify-content: space-evenly; background-color: #b61729; margin-bottom: 20px; position: sticky; top: 0;"><div><b>F</b>OR</div> <div><b>F</b>UCKS</div> <div><b>S</b>AKE</div></header>'; echo '<header style="padding: 10px 0; display: flex; justify-content: space-evenly; background-color: #b61729; margin-bottom: 20px; position: sticky; top: 0;"><div><b>F</b>OR</div> <div><b>F</b>UCKS</div> <div><b>S</b>AKE</div></header>';

2
view/common/header.maron
View File

@@ -31,7 +31,7 @@
{@ if (isset($meta) && isset($meta->thumbnail) && !empty($meta->thumbnail)) @} {@ if (isset($meta) && isset($meta->thumbnail) && !empty($meta->thumbnail)) @}
<meta property="og:image" content="https://{{ $_SERVER['HTTP_HOST'] }}/static/article/{{ $meta->thumbnail }}" /> <meta property="og:image" content="https://{{ $_SERVER['HTTP_HOST'] }}/static/article/{{ $meta->thumbnail }}" />
<meta property="og:image:secure_url" content="https://{{ $_SERVER['HTTP_HOST'] }}/static/article/{{ $meta->thumbnail }}" /> <meta property="og:image:secure_url" content="https://{{ $_SERVER['HTTP_HOST'] }}/static/article/{{ $meta->thumbnail }}" />
{$ $imgspec = getImageInfo('/public/static/article/'.$meta->thumbnail); $} {$ $imgspec = getImageInfo('/public/static/article/'.$meta->thumbnail)->fullInfo; $}
<meta property="og:image:type" content="{{ $imgspec->type }}" /> <meta property="og:image:type" content="{{ $imgspec->type }}" />
<meta property="og:image:width" content="{{ $imgspec->width }}" /> <meta property="og:image:width" content="{{ $imgspec->width }}" />
<meta property="og:image:height" content="{{ $imgspec->height }}" /> <meta property="og:image:height" content="{{ $imgspec->height }}" />