代码

​ 如 CSS-position: absolute | Zi-Zi’s Journey 这篇文章所述，一切复杂的位置布局都可以使用 position: absolute; 来解决！只要提供的数值准确。

​ 然而，要获得准确的数值，靠写代码是费劲的，要是能有一个可视化的工具就好了！又然而，市面上好像没有一个让我满意的工具，于是我们可以通过在 Adobe illustrator 中执行我们的神奇脚本来实现这个功能！

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
var doc = app.activeDocument
var layer = doc.layers.getByName('图层 1')

var outputHTML = ''
var artboard = doc.artboards[doc.artboards.getActiveArtboardIndex()]
var rect = artboard.artboardRect
var width = rect[2] - rect[0]
var height = rect[1] - rect[3]
var maxY = 0

for (var i = layer.pageItems.length - 1; i >= 0; i--) {
  var item = layer.pageItems[i]
  var pos = item.position
  if (maxY < -pos[1] + item.height) {
    maxY = -pos[1] + item.height
  }
}

outputHTML +=
  '<div style="margin: 0 auto; width: 100%; aspect-ratio:' +
  (width / maxY).toFixed(4) +
  '; position: relative;">\n'

function getOriginalSizeIgnoreScale(rotatedWidth, rotatedHeight, angleDegrees) {
  var angle = (angleDegrees * Math.PI) / 180
  var c = Math.abs(Math.cos(angle))
  var s = Math.abs(Math.sin(angle))

  var det = c * c - s * s
  if (Math.abs(det) < 1e-10) {
    throw new Error('旋转角度导致矩阵不可逆！')
  }

  var W = (c * rotatedWidth - s * rotatedHeight) / det
  var H = (-s * rotatedWidth + c * rotatedHeight) / det

  return {
    width: Math.abs(W),
    height: Math.abs(H),
  }
}

for (var i = layer.pageItems.length - 1; i >= 0; i--) {
  var item = layer.pageItems[i]
  var pos = item.position
  var angle =
    Math.atan2(item.matrix.mValueB, item.matrix.mValueA) * (180 / Math.PI)

  var originalSize = getOriginalSizeIgnoreScale(item.width, item.height, angle)
  var originalX = pos[0] + item.width / 2 - originalSize.width / 2
  var originalY = -pos[1] + item.height / 2 - originalSize.height / 2

  outputHTML +=
    '    <div style="position: absolute; left: ' +
    ((originalX / width) * 100).toFixed(2) +
    '%; '
  outputHTML += ' top: ' + ((originalY / maxY) * 100).toFixed(2) + '%;'
  outputHTML +=
    ' width: ' + ((originalSize.width / width) * 100).toFixed(2) + '%;'
  if (Math.abs(angle) > 0.01) {
    outputHTML += ' transform: rotateZ(' + angle.toFixed(2) + 'deg);'
  }
  // outputHTML += ' box-shadow: 4px 4px 5px rgba(0, 0, 0, 0.5);'
  outputHTML += '">\n'
  outputHTML +=
    '        <img no-figcaption style="margin: 0; max-width: 100%; max-height: none;" alt="' +
    (item.name || item.file.name.split('.')[1]) +
    '" src="' +
    item.file.name +
    '"/>\n'
  outputHTML += '    </div>\n'
}

outputHTML += '</div>\n'

// 保存到桌面
var file = new File(Folder.desktop + '/outputHTML.txt')
file.encoding = 'UTF-8'
file.open('w')
file.write(outputHTML)
file.close()

alert('HTML 信息已写入文件：\n' + file.fsName)

示例

​ 在 Adobe illustrator 中创建一个画布（为了便于计算，宽度设成 1000 px）：

webp

​ 随意排版图片（不要对图片进行非等比拉伸，没有写这个逻辑）：

webp

​ 加载神奇脚本！

webp

​ 得到下面的 HTML 代码：

1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
<div style="margin: 0 auto; width: 100%; aspect-ratio:3.1695; position: relative;">
    <div style="position: absolute; left: 2.77%; top: 9.55%; width: 18.00%; transform: rotateZ(-11.48deg);">
        <img no-figcaption style="margin: 0; max-width: 100%; max-height: none;" alt="webp" src="Spade10.webp"/>
    </div>
    <div style="position: absolute; left: 22.48%; top: 3.08%; width: 18.00%; transform: rotateZ(6.75deg);">
        <img no-figcaption style="margin: 0; max-width: 100%; max-height: none;" alt="webp" src="SpadeJ.webp"/>
    </div>
    <div style="position: absolute; left: 40.55%; top: 9.55%; width: 18.00%; transform: rotateZ(-16.64deg);">
        <img no-figcaption style="margin: 0; max-width: 100%; max-height: none;" alt="webp" src="SpadeQ.webp"/>
    </div>
    <div style="position: absolute; left: 61.59%; top: 9.55%; width: 18.00%; transform: rotateZ(13.18deg);">
        <img no-figcaption style="margin: 0; max-width: 100%; max-height: none;" alt="webp" src="SpadeK.webp"/>
    </div>
    <div style="position: absolute; left: 77.39%; top: 12.63%; width: 18.00%; transform: rotateZ(-22.83deg);">
        <img no-figcaption style="margin: 0; max-width: 100%; max-height: none;" alt="webp" src="SpadeA.webp"/>
    </div>
</div>

​ 渲染出来，皇家同花顺！

webp
webp
webp
webp
webp
Icon
Icon
Icon
Icon
下一篇：Diary-邺