Sep 10, To create a simple border, use the cfimage tag. . by changing its dimensions, enforce uniform sizes on images, and create thumbnail images. cfimage. Creates a ColdFusion image that can be manipulated by using image functions. You can use the cfimage tag to perform common image manipulation. cfimage source=”#myImage#” action=”write” destination=”” overwrite=”yes”> thumbnail image.
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image – Creating Thumbnails with CFImage Aborting Because of Server Load? – Stack Overflow
The initial image uploads fine but then, after spinning for a moment I get an error of: Also, image quality can degrade; for example, PNG images support bit color, but GIF images support only colors. Thumbnall cannot display a GIF image in a browser. Border thickness in pixels. James and Russ, I have sent a note to some Adobe folks in the hopes of getting answers to your questions, since I can offer none for you myself.
Thanks so much, this solution works wonderfully. Drawing lines and shapes ColdFusion provides several functions for drawing lines and shapes.
You can reduce the file size of an image by changing its dimensions, enforce uniform sizes on images, and create thumbnail images. For example, you can use a company logo as a watermark. I wonder if thumbbnail is possible to change that default behaviour somehow so that cfimage uses low quality interpolation by default, would certainly avoid a lot of issues on shared servers.
cfimage Code Examples and CFML Documentation
I tested it with just the resize and it died; so it wasn’t the convert. Creating ColdFusion images Search.
For simple ovals and rectangles, the two numbers following the coordinates represent the width and height of the shape in pixels.
I was using CF 9 btw. The drawing attributes you specified are applied to the line. Category Image functions Function syntax.
Manipulating ColdFusion images
Some images were far larger than what we needed. You can use this function to enlarge an image or create a thumbnail image. The following example shows how to create a blank canvas that is pixels wide and pixels high: Border thickness in pixels. Height in pixels of the image. Each algorithm balances image quality against performance: Also, you can set the blur factor for the image. There are still some other things to consider also.
The border is added to the outside edge of the source image, increasing the image area accordingly. The image format is determined by the file extension. The images being uploaded were also resized to be used to generate PDF files. The following table describes the algorithms and their named equivalents based on average test results:.
The imageResize function’s does not support that. You can use the write action to change the quality of a JPEG image to reduce file size.
See the docs for a range of alternative options to consider. You specify the area of the image in pixels. You can paste the new ColdFusion image onto another image, or write it to a file, as the following example shows:. The following example shows how to create an image with several drawing objects:. Thumbnil following example creates a ColdFusion image variable named “myImage” from the jeff