[cfaussie] Image functions with transparent png images
I am having this issue which i am sure people have had in the past so i am hoping for some advice as to how to get around it. I am uploading a transparent png image file with the following process :- 1. Upload file 2. Read file 3. Store file in memory as binary 4. Delete original file 5. Output image to browser Now if i use the writetobrowser action the image displays as its proper transparency but if i use say cfcontent type=image/png variable=#ToBinary(ToBase64(imageVar))# / then the image messes up and displays with its colors all inverted and no transparency. Does anyone know how i can get around this? I need the image to display with its transparency. From what i can see, even if i pass the png content type in, the browser is seeing it as a JPEG image. Any suggestions? Steve -- You received this message because you are subscribed to the Google Groups cfaussie group. To post to this group, send email to cfaussie@googlegroups.com. To unsubscribe from this group, send email to cfaussie+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/cfaussie?hl=en.
RE: [cfaussie] Image functions with transparent png images
Thought i would push this one back out into the ether to see if anyone had any ideas... From: Steve Onnis [mailto:st...@cfcentral.com.au] Sent: Tuesday, 20 December 2011 3:46 AM To: cfaussie@googlegroups.com Subject: [cfaussie] Image functions with transparent png images I am having this issue which i am sure people have had in the past so i am hoping for some advice as to how to get around it. I am uploading a transparent png image file with the following process :- 1. Upload file 2. Read file 3. Store file in memory as binary 4. Delete original file 5. Output image to browser Now if i use the writetobrowser action the image displays as its proper transparency but if i use say cfcontent type=image/png variable=#ToBinary(ToBase64(imageVar))# / then the image messes up and displays with its colors all inverted and no transparency. Does anyone know how i can get around this? I need the image to display with its transparency. From what i can see, even if i pass the png content type in, the browser is seeing it as a JPEG image. Any suggestions? Steve -- You received this message because you are subscribed to the Google Groups cfaussie group. To post to this group, send email to cfaussie@googlegroups.com. To unsubscribe from this group, send email to cfaussie+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/cfaussie?hl=en. -- You received this message because you are subscribed to the Google Groups cfaussie group. To post to this group, send email to cfaussie@googlegroups.com. To unsubscribe from this group, send email to cfaussie+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/cfaussie?hl=en.
Re: [cfaussie] Image functions with transparent png images
have you tried writing the file out to the filesystem first with a .png extension? personally I hate the dependence on filenames for setting file types with the image support in CF, it's really annoying z On Tue, Dec 20, 2011 at 1:53 PM, Steve Onnis st...@cfcentral.com.au wrote: Thought i would push this one back out into the ether to see if anyone had any ideas... From: Steve Onnis [mailto:st...@cfcentral.com.au] Sent: Tuesday, 20 December 2011 3:46 AM To: cfaussie@googlegroups.com Subject: [cfaussie] Image functions with transparent png images I am having this issue which i am sure people have had in the past so i am hoping for some advice as to how to get around it. I am uploading a transparent png image file with the following process :- 1. Upload file 2. Read file 3. Store file in memory as binary 4. Delete original file 5. Output image to browser Now if i use the “writetobrowser” action the image displays as its proper transparency but if i use say cfcontent type=image/png variable=#ToBinary(ToBase64(imageVar))# / then the image messes up and displays with its colors all inverted and no transparency. Does anyone know how i can get around this? I need the image to display with its transparency. From what i can see, even if i pass the png content type in, the browser is seeing it as a JPEG image. Any suggestions? Steve -- You received this message because you are subscribed to the Google Groups cfaussie group. To post to this group, send email to cfaussie@googlegroups.com. To unsubscribe from this group, send email to cfaussie+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/cfaussie?hl=en. -- You received this message because you are subscribed to the Google Groups cfaussie group. To post to this group, send email to cfaussie@googlegroups.com. To unsubscribe from this group, send email to cfaussie+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/cfaussie?hl=en. -- Zac Spitzer Solution Architect / Director Ennoble Consultancy Australia http://www.ennoble.com.au http://zacster.blogspot.com +61 405 847 168 -- You received this message because you are subscribed to the Google Groups cfaussie group. To post to this group, send email to cfaussie@googlegroups.com. To unsubscribe from this group, send email to cfaussie+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/cfaussie?hl=en.
RE: [cfaussie] Image functions with transparent png images
Yeah i have and once i write it, the transparency is fine, even the tmp file cf creates when it uses the cfimageservlet works fine. I don’t want to write it though. There are other processes that i need to run before i fully commit it to the file system which is why i am wanting to do this -Original Message- From: Zac Spitzer [mailto:zac.spit...@gmail.com] Sent: Tuesday, 20 December 2011 1:56 PM To: cfaussie@googlegroups.com Subject: Re: [cfaussie] Image functions with transparent png images have you tried writing the file out to the filesystem first with a .png extension? personally I hate the dependence on filenames for setting file types with the image support in CF, it's really annoying z On Tue, Dec 20, 2011 at 1:53 PM, Steve Onnis st...@cfcentral.com.au wrote: Thought i would push this one back out into the ether to see if anyone had any ideas... From: Steve Onnis [mailto:st...@cfcentral.com.au] Sent: Tuesday, 20 December 2011 3:46 AM To: cfaussie@googlegroups.com Subject: [cfaussie] Image functions with transparent png images I am having this issue which i am sure people have had in the past so i am hoping for some advice as to how to get around it. I am uploading a transparent png image file with the following process :- 1. Upload file 2. Read file 3. Store file in memory as binary 4. Delete original file 5. Output image to browser Now if i use the “writetobrowser” action the image displays as its proper transparency but if i use say cfcontent type=image/png variable=#ToBinary(ToBase64(imageVar))# / then the image messes up and displays with its colors all inverted and no transparency. Does anyone know how i can get around this? I need the image to display with its transparency. From what i can see, even if i pass the png content type in, the browser is seeing it as a JPEG image. Any suggestions? Steve -- You received this message because you are subscribed to the Google Groups cfaussie group. To post to this group, send email to cfaussie@googlegroups.com. To unsubscribe from this group, send email to cfaussie+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/cfaussie?hl=en. -- You received this message because you are subscribed to the Google Groups cfaussie group. To post to this group, send email to cfaussie@googlegroups.com. To unsubscribe from this group, send email to cfaussie+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/cfaussie?hl=en. -- Zac Spitzer Solution Architect / Director Ennoble Consultancy Australia http://www.ennoble.com.au http://zacster.blogspot.com +61 405 847 168 -- You received this message because you are subscribed to the Google Groups cfaussie group. To post to this group, send email to cfaussie@googlegroups.com. To unsubscribe from this group, send email to cfaussie+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/cfaussie?hl=en. -- You received this message because you are subscribed to the Google Groups cfaussie group. To post to this group, send email to cfaussie@googlegroups.com. To unsubscribe from this group, send email to cfaussie+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/cfaussie?hl=en.
Re: [cfaussie] Image functions with transparent png images
Steve, My guess would be that the cfcontent is using the internal image handling, which does seem kinda strange, but as we all know the internal image handling in CF will not handle aRGB images. It looks like your best option would be the write to browser. -- Regards, Andrew Scott WebSite: http://www.andyscott.id.au/ Google+: http://plus.google.com/108193156965451149543 On Tue, Dec 20, 2011 at 2:02 PM, Steve Onnis st...@cfcentral.com.au wrote: Yeah i have and once i write it, the transparency is fine, even the tmp file cf creates when it uses the cfimageservlet works fine. I don’t want to write it though. There are other processes that i need to run before i fully commit it to the file system which is why i am wanting to do this -- You received this message because you are subscribed to the Google Groups cfaussie group. To post to this group, send email to cfaussie@googlegroups.com. To unsubscribe from this group, send email to cfaussie+unsubscr...@googlegroups.com. For more options, visit this group at http://groups.google.com/group/cfaussie?hl=en.
