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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You can draw the text on an existing image or on a blank image, as the following examples show: I was so excited to see it run on CF and see that it could be a real option for us moving forwar But if you or anyone who experienced the issue before might want to test it, perhaps you will find things have improved.
You can perform the following tasks with ColdFusion images: For a hexadecimal value, use the form ” xxxxxx” or “xxxxxx”. Have you tried uploading a smaller file size just to see if you can get something working?
Short of that, it’s why I am writing this entry, to implore people to consider changing the interpolation value.
Creating ColdFusion images
That sort of feedback helps keep us bloggers motivated to share our experiences. Thanks so much for this. While the interpolation changes have helped me in the past, we just completed upgraded our infrastructure and ran into what I think is a JDK bug. As for cfomage first paragraph, I acknowledged in the entry that there could be a tradeoff between performance thumbnqil quality, but I pointed out as well that many folks find there to be none at all, and that the highestperformance or any of the options between that cfimagd highestquality.
ColdFusion makes it easy to resize images. We tried using a background thread, but anything we tried doing with native image processing was negatively impacting the user experience and the uptime of the production server.
I was using JVM 1. Sadly, I suspect most won’t do the math, so it’s a real good thing you mentioned the one taking 4-minutes. Yep, Bernie, that’s interesting to note.
cfimage Code Examples and CFML Documentation
In this example, the width of the resulting image is less than or equal to pixels and the height of the image is less than or equal to pixels. Specify one of the following levels of text distortion: The convert and write actions require a destination. I’d try that then move up from there. The following example creates a ColdFusion image with a 5-pixel blue border: If the destination file already exists, ColdFusion generates an error if the overwrite option is not set to yes.
Thumbjail border is added to the outside edge of the source thumbnil. However, I’d guess that it is dying on the file conversion.
This cfimsge controls the color of all subsequent drawing objects on an image. And for solutions to other such knotty CF troubleshooting challenges, see my cf Border thickness in pixels.
ColdFusion Help | ImageResize
You can create a watermark image in one of three ways: You can reduce the file size of an image by changing its dimensions, enforce uniform sizes on images, and create thumbnail images. Specifies whether cfomage source is a Base64 string: Keep up the great work! As an interesting aside, the docs suggest that while imageRotateimageShearand imageTranslate functions also have an optional interploation argument, theirs each defaults to the fastest of the values they offer. Creating a watermark from an image file The following example shows how to create a watermark from an existing GIF image located on a website: Generates HTML to output the image in place.
Create a watermark from an existing image file. Thanks for sharing your experience and kind regards.
Name of the ColdFusion image variable to create. That quality seems to come at a significant performance penalty for many which may vary depending on the type or size of file being processed, and again is multiplied the more files you’re processing in a single request.
I just made it do the above starting with a. The images being uploaded were also resized to be used to generate PDF files. To ensure that the resized image is proportional, specify a value for the height thunbnail width and enter a blank value for the other dimension: Let’s leave it that yours is one of those experiences that was worse than most.
Before you can manipulate images in ColdFusion, you create a ColdFusion image. The drawing attributes you specified are applied to the line.