Resizes an image to a specific width, calculating the height to maintain the image's aspect ratio.
This method simply calls the resize() method.
A structure containing the following fields:
| key | value |
|---|---|
| errorCode | 0 for success, non-zero for failure. Always returned, but not really used if the throwOnError option is set to true. |
| errorMessage | A description of the error. Always returned, but not really used if the throwOnError option is set to true. |
| img | A java BufferedImage object is returned if no output file is specified |
scaleWidth(objImage,inputFile,outputFile,newWidth,jpegCompression)
| Parameter | Required? | Default | Description |
|---|---|---|---|
| objImage | YES | - | A java image object, or a blank string. |
| inputFile | YES | - | File path or URL to an image, or a blank string. |
| outputFile | YES | - | File path to write the output, or a blank string. |
| newWidth | YES | - | Width in pixels of the resulting image. |
| jpegCompression | NO | defaultJpegCompression | jpeg compression quality to use if writing a jpeg file. 0-100. 100 is the highest quality. |
You must supply either an image object or a file path to a source image.
<cfset imageCFC = createObject("component","image")>
<cfset imgInfo = imageCFC.scaleWidth("", "C:\Inetpub\wwwroot\myimage.jpg", "C:\Inetpub\wwwroot\tn_myimage.jpg",100)>
<img src="myimage.jpg" width="100" alt="resized image"/>