|
1
|
|
|
<?php |
|
2
|
|
|
/** Created by Gorlum 08.01.2024 19:57 */ |
|
3
|
|
|
|
|
4
|
|
|
namespace Tools; |
|
5
|
|
|
|
|
6
|
|
|
require_once __DIR__ . '/SpriteLine.php'; |
|
7
|
|
|
require_once __DIR__ . '/SpriteLineGif.php'; |
|
8
|
|
|
require_once __DIR__ . '/ImageFile.php'; |
|
9
|
|
|
require_once __DIR__ . '/ImageContainer.php'; |
|
10
|
|
|
|
|
11
|
|
|
use Exception; |
|
12
|
|
|
use ImageFile; |
|
13
|
|
|
|
|
14
|
|
|
class Sprite { |
|
15
|
|
|
const LAYOUT_LINE = 0; |
|
16
|
|
|
const LAYOUT_COLUMN = 1; |
|
17
|
|
|
const LAYOUT_SQUARE = 'square'; |
|
18
|
|
|
// const LAYOUT_MINIMAL = 'minimal'; // Minimize sum of linear dimensions |
|
19
|
|
|
// const LAYOUT_EQUAL_HEIGHT = 'equal_height'; // Put images with equal height in one line |
|
20
|
|
|
const LAYOUT_BTREE = 'btree'; |
|
21
|
|
|
|
|
22
|
|
|
/** @var ImageFile[] $imageList */ |
|
23
|
|
|
public $imageList = []; |
|
24
|
|
|
/** @var SpriteLine[] $lines */ |
|
25
|
|
|
public $lines = []; |
|
26
|
|
|
/** @var ImageContainer|null $image */ |
|
27
|
|
|
public $image = null; |
|
28
|
|
|
|
|
29
|
|
|
/** @var int $gridSize Sprite grid size in images */ |
|
30
|
|
|
protected $gridSize = 0; |
|
31
|
|
|
/** @var int $scaleToPx Scale input images to specified PX. Default: 0 - no scaling */ |
|
32
|
|
|
protected $scaleToPx = 0; |
|
33
|
|
|
|
|
34
|
|
|
protected $lineIndex = 0; |
|
35
|
|
|
protected $columnIndex = 0; |
|
36
|
|
|
|
|
37
|
|
|
protected $height = 0; |
|
38
|
|
|
protected $width = 0; |
|
39
|
|
|
|
|
40
|
|
|
/** |
|
41
|
|
|
* @param ImageFile[] $images |
|
42
|
|
|
* @param $layout |
|
43
|
|
|
*/ |
|
44
|
|
|
public function __construct($images, $layout, $scaleToPx) { |
|
45
|
|
|
$this->scaleToPx = $scaleToPx; |
|
46
|
|
|
|
|
47
|
|
|
if ($layout === self::LAYOUT_SQUARE) { |
|
48
|
|
|
$gridSize = ceil(sqrt(count($images))); |
|
49
|
|
|
} elseif ($layout === self::LAYOUT_COLUMN) { |
|
50
|
|
|
$gridSize = 1; |
|
51
|
|
|
} elseif ($layout === self::LAYOUT_LINE) { |
|
52
|
|
|
$gridSize = 0; |
|
53
|
|
|
} else { |
|
54
|
|
|
$gridSize = 1; |
|
55
|
|
|
} |
|
56
|
|
|
|
|
57
|
|
|
$this->gridSize = $gridSize; |
|
58
|
|
|
|
|
59
|
|
|
$this->imageList = $images; |
|
60
|
|
|
} |
|
61
|
|
|
|
|
62
|
|
|
/** |
|
63
|
|
|
* @return void |
|
64
|
|
|
*/ |
|
65
|
|
|
protected function imageReset() { |
|
66
|
|
|
if (!empty($this->image)) { |
|
67
|
|
|
unset($this->image); |
|
68
|
|
|
} |
|
69
|
|
|
|
|
70
|
|
|
$this->image = ImageContainer::create($this->width, $this->height); |
|
71
|
|
|
} |
|
72
|
|
|
|
|
73
|
|
|
/** |
|
74
|
|
|
* @param $scaleToPx |
|
75
|
|
|
*/ |
|
76
|
|
|
protected function renderLines($scaleToPx) { |
|
77
|
|
|
$this->width = $this->height = 0; |
|
78
|
|
|
// Generating lines and calculating line sizes |
|
79
|
|
|
foreach ($this->lines as $line) { |
|
80
|
|
|
$line->generate($this->height, $scaleToPx); |
|
81
|
|
|
|
|
82
|
|
|
$this->height += $line->height; |
|
83
|
|
|
$this->width = max($this->width, $line->width); |
|
84
|
|
|
|
|
85
|
|
|
// $line->image->savePng(__DIR__ . '/../gif_line_' . $this->height . '.png'); // TODO remove debug |
|
86
|
|
|
} |
|
87
|
|
|
} |
|
88
|
|
|
|
|
89
|
|
|
/** |
|
90
|
|
|
* |
|
91
|
|
|
* @return ImageContainer|null |
|
92
|
|
|
*/ |
|
93
|
|
|
public function generate() { |
|
94
|
|
|
$this->createGrid(); |
|
95
|
|
|
|
|
96
|
|
|
$this->renderLines($this->scaleToPx); |
|
97
|
|
|
|
|
98
|
|
|
// Recreating main sprite image with new width and height |
|
99
|
|
|
$this->imageReset(); |
|
100
|
|
|
|
|
101
|
|
|
// Generating final sprite |
|
102
|
|
|
$position = 0; |
|
103
|
|
|
foreach ($this->lines as $line) { |
|
104
|
|
|
$this->image->copyFrom($line->image, 0, $position); |
|
|
|
|
|
|
105
|
|
|
|
|
106
|
|
|
$position += $line->height; |
|
107
|
|
|
} |
|
108
|
|
|
|
|
109
|
|
|
return $this->image; |
|
110
|
|
|
} |
|
111
|
|
|
|
|
112
|
|
|
/** |
|
113
|
|
|
* |
|
114
|
|
|
* @return string %3$s - $outName, %4$s - $relativeUrl |
|
115
|
|
|
*/ |
|
116
|
|
|
protected function generateCss() { |
|
117
|
|
|
$css = ''; |
|
118
|
|
|
foreach ($this->lines as $line) { |
|
119
|
|
|
$css .= $line->css; |
|
120
|
|
|
} |
|
121
|
|
|
|
|
122
|
|
|
return ".%3\$s{background-image: url('%4\$s%3\$s.png');display: inline-block;" . |
|
123
|
|
|
($this->scaleToPx > 0 ? "transform-origin: top left;" : "") . |
|
124
|
|
|
"}\n" . $css; |
|
125
|
|
|
} |
|
126
|
|
|
|
|
127
|
|
|
public function savePng($fileName) { |
|
128
|
|
|
// Saving PNG |
|
129
|
|
|
$this->image->savePng($fileName); |
|
|
|
|
|
|
130
|
|
|
} |
|
131
|
|
|
|
|
132
|
|
|
/** |
|
133
|
|
|
* @param $fileName |
|
134
|
|
|
* @param string[] $vsprintf [$cssPrefix, $cssSuffix, $outName, $relativeUrl,] |
|
135
|
|
|
* |
|
136
|
|
|
* @return false|int |
|
137
|
|
|
*/ |
|
138
|
|
|
public function saveCss($fileName, $vsprintf = []) { |
|
139
|
|
|
// Saving CSS |
|
140
|
|
|
return file_put_contents($fileName, vsprintf($this->generateCss(), $vsprintf)); |
|
141
|
|
|
} |
|
142
|
|
|
|
|
143
|
|
|
/** |
|
144
|
|
|
* @param string $dirOut |
|
145
|
|
|
* @param string $outName |
|
146
|
|
|
* @param string[] $vsprintf [$cssPrefix, $cssSuffix, $outName, $relativeUrl,] |
|
147
|
|
|
* |
|
148
|
|
|
* @return void |
|
149
|
|
|
* @throws Exception |
|
150
|
|
|
*/ |
|
151
|
|
|
public function saveOutput($dirOut, $outName, $vsprintf = []) { |
|
152
|
|
|
// Checking if output directory exists and creating one - if not |
|
153
|
|
|
if (!is_dir($dirOut) && !mkdir($dirOut, 0777, true)) { |
|
154
|
|
|
throw new Exception("Can't create output directory {$dirOut}\n"); |
|
155
|
|
|
} |
|
156
|
|
|
// Saving PNG |
|
157
|
|
|
$this->savePng($dirOut . $outName . '.png'); |
|
158
|
|
|
$this->saveCss($dirOut . $outName . '.css', $vsprintf); |
|
159
|
|
|
} |
|
160
|
|
|
|
|
161
|
|
|
/** |
|
162
|
|
|
* @return void |
|
163
|
|
|
*/ |
|
164
|
|
|
protected function createGrid() { |
|
165
|
|
|
$this->lineIndex = 0; |
|
166
|
|
|
|
|
167
|
|
|
usort($this->imageList, function (ImageFile $a, ImageFile $b) { return $b->height - $a->height; }); |
|
168
|
|
|
|
|
169
|
|
|
$prevLine = new SpriteLine(); |
|
170
|
|
|
foreach ($this->imageList as $image) { |
|
171
|
|
|
$line = $prevLine->fillLine($image, $this->gridSize); |
|
172
|
|
|
if ($line != $prevLine) { |
|
173
|
|
|
if ($prevLine && $prevLine->width > 0) { |
|
174
|
|
|
$this->lines[$this->lineIndex] = $prevLine; |
|
175
|
|
|
$this->lineIndex++; |
|
176
|
|
|
} |
|
177
|
|
|
$prevLine = $line; |
|
178
|
|
|
} |
|
179
|
|
|
} |
|
180
|
|
|
|
|
181
|
|
|
if ($prevLine) { |
|
|
|
|
|
|
182
|
|
|
// There is something in line to keep |
|
183
|
|
|
$this->lines[$this->lineIndex] = $prevLine; |
|
184
|
|
|
} |
|
185
|
|
|
} |
|
186
|
|
|
|
|
187
|
|
|
} |
|
188
|
|
|
|