Help:Images/Image transparency: Difference between revisions

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[[File:boss-laborc.png|200px|thumb|An image with transparency applied]]
[[File:boss-labark.png|200px|thumb|An image with transparency applied]]
For some images it is worthwhile to add transparency to further enhance an article. This is especially important when taking screenshots from the [[Editor]] - allowing you to delete the black background to make the subject clearer. Transparency may be applied before an image is uploaded or once it is already on the wiki. Previously uploaded images that editors need to add transparency to can be found in [[:Category:Images needing transparency]].
For some images it is worthwhile to add ```transparency``` to further enhance an article. This is especially important when taking screenshots from the [[FHX Editor]] - allowing you to delete the black background to make the subject clearer. Transparency may be applied before an image is uploaded or once it is already on the wiki. Previously uploaded images that editors need to add transparency to can be found in [[:Category:Images needing transparency]].


This guide will cover how to apply transparency using [https://en.m.wikipedia.org/wiki/GIMP GIMP] [http://www.gimp.org/] - a free and open-source image editor.
This guide will cover how to apply transparency using [https://en.m.wikipedia.org/wiki/GIMP GIMP] [http://www.gimp.org/] - a free and open-source image editor.
{{page info|message=Right click copying an image from the wiki to GIMP can result in loss in image quality. Please save the full-sized image before applying transparency by opening the "File:" namespace page for the image. Use the download option under the image preview to save the full-sized, highest quality version of the image.}}
{{page info|message=Right click copying an image from the wiki to GIMP can result in loss in image quality. Please save the full-sized image before applying transparency by opening the "File:" namespace page for the image. Use the image link under the preview to open the image in another browser tab. From there, right click and save as to download the full-sized, highest quality version of the image.}}
== Transparency ==
== Transparency ==
{| class="wikitable" style="width:100%"
{| class="wikitable" style="width:100%"
Line 10: Line 10:
| 1. || colspan=3 | '''Open''' your image in GIMP.  
| 1. || colspan=3 | '''Open''' your image in GIMP.  
|-
|-
| 2. || '''Add Alpha Channel''' to the image layer. || Click Layer (top) > Transparency > Add Alpha Channel || [[File:Wiki Help Image transparency - add layer.png|100px|thumb|Adding an Alpha Channel]]
| 2. || '''Add Alpha Channel''' to the image layer. || Click Layer (top) > Transparency > Add Alpha Channel || [[File:Wiki Help Image transparency - add layer.png|150px|thumb|Adding an Alpha Channel]]
|-
|-
| 3. || '''Select''' the background. || Click Fuzzy Select Tool (top left) > click the black background. || [[File:Wiki Help Image transparency - select background.png|100px|thumb|Background selection]]
| 3. || '''Select''' the background. || Click Fuzzy Select Tool (top left) > click the black background. || [[File:Wiki Help Image transparency - select background.png|150px|thumb|Background selection]]
|-
|-
| 4. || '''Delete''' the selection. || Press {{key|Delete}}. If there are any background areas contained within the image, like around arms or hair, those can also be selected and deleted.
| 4. || '''Delete''' the selection. || Press {{key|Delete}}. If there are any background areas contained within the image, like around arms or hair, those can also be selected and deleted.<br><br>{{page info|message=This should result in a checkered background. If the background is now white, Undo the delete and make sure to add the Alpha Channel.}} || [[File:Wiki Help Image transparency - delete background.png|150px|thumb|Successfully removing the background]]
{{page info|message=This should result in a checkered background. If the background is now white, Undo the delete and make sure to add the Alpha Channel.}} || [[File:Wiki Help Image transparency - delete background.png|100px|thumb|Successfully removing the background]]
|-
|-
| 5. || '''Crop''' the image. || Click Image (top) > Crop to Content || [[File:Wiki Help Image transparency - crop to content.png|100px|thumb|Before cropping]]
| 5. || '''Crop''' the image. || Click Image (top) > Crop to Content || [[File:Wiki Help Image transparency - crop to content.png|150px|thumb|Before cropping]]
[[File:Wiki Help Image transparency - cropped.png|100px|thumb|After cropping]]
[[File:Wiki Help Image transparency - cropped.png|150px|thumb|After cropping]]
|-
|-
| 6. || '''Export''' the image as '''.png'''. || Click File (top left) > Overwrite if already a .png or Export to save it as a .png. || [[File:Wiki Help Image transparency - save.png|100px|thumb|Overwrite .png]]
| 6. || '''Export''' the image as '''.png'''. || Click File (top left) > Overwrite if already a .png or Export to save it as a .png.<br><br>{{page info|message=If the transparency isn't being saved properly, click Image (top) > Mode > RGB and export again.}} || [[File:Wiki Help Image transparency - save.png|150px|thumb|Overwrite .png]]
|-
|-
| 7. || colspan=3 | The image is ready to '''upload'''!
| 7. || colspan=3 | The image is ready to '''[[Help:Images#Step 3: Uploading the image|upload]]'''!
|}
|}


{{wiki help nav}}
{{wiki help nav}}

Latest revision as of 15:35, 23 June 2024

An image with transparency applied

For some images it is worthwhile to add ```transparency``` to further enhance an article. This is especially important when taking screenshots from the FHX Editor - allowing you to delete the black background to make the subject clearer. Transparency may be applied before an image is uploaded or once it is already on the wiki. Previously uploaded images that editors need to add transparency to can be found in Category:Images needing transparency.

This guide will cover how to apply transparency using GIMP [1] - a free and open-source image editor.

Info:
Right click copying an image from the wiki to GIMP can result in loss in image quality. Please save the full-sized image before applying transparency by opening the "File:" namespace page for the image. Use the image link under the preview to open the image in another browser tab. From there, right click and save as to download the full-sized, highest quality version of the image.

Transparency

1. Open your image in GIMP.
2. Add Alpha Channel to the image layer. Click Layer (top) > Transparency > Add Alpha Channel
Adding an Alpha Channel
3. Select the background. Click Fuzzy Select Tool (top left) > click the black background.
Background selection
4. Delete the selection. Press Delete. If there are any background areas contained within the image, like around arms or hair, those can also be selected and deleted.

Info:
This should result in a checkered background. If the background is now white, Undo the delete and make sure to add the Alpha Channel.
Successfully removing the background
5. Crop the image. Click Image (top) > Crop to Content
Before cropping
After cropping
6. Export the image as .png. Click File (top left) > Overwrite if already a .png or Export to save it as a .png.

Info:
If the transparency isn't being saved properly, click Image (top) > Mode > RGB and export again.
Overwrite .png
7. The image is ready to upload!
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