ce4c83ff
 wxy
初始提交
|
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
|
module.exports = function(environment) {
var Dimension = require('../less/tree/dimension'),
Expression = require('../less/tree/expression'),
functionRegistry = require('./../less/functions/function-registry');
function imageSize(functionContext, filePathNode) {
var filePath = filePathNode.value;
var currentFileInfo = functionContext.currentFileInfo;
var currentDirectory = currentFileInfo.rewriteUrls ?
currentFileInfo.currentDirectory : currentFileInfo.entryPath;
var fragmentStart = filePath.indexOf('#');
var fragment = '';
if (fragmentStart !== -1) {
fragment = filePath.slice(fragmentStart);
filePath = filePath.slice(0, fragmentStart);
}
var fileManager = environment.getFileManager(filePath, currentDirectory, functionContext.context, environment, true);
if (!fileManager) {
throw {
type: 'File',
message: 'Can not set up FileManager for ' + filePathNode
};
}
var fileSync = fileManager.loadFileSync(filePath, currentDirectory, functionContext.context, environment);
if (fileSync.error) {
throw fileSync.error;
}
var sizeOf = require('image-size');
return sizeOf(fileSync.filename);
}
var imageFunctions = {
'image-size': function(filePathNode) {
var size = imageSize(this, filePathNode);
return new Expression([
new Dimension(size.width, 'px'),
new Dimension(size.height, 'px')
]);
},
'image-width': function(filePathNode) {
var size = imageSize(this, filePathNode);
return new Dimension(size.width, 'px');
},
'image-height': function(filePathNode) {
var size = imageSize(this, filePathNode);
return new Dimension(size.height, 'px');
}
};
functionRegistry.addMultiple(imageFunctions);
};
|
