![]() I realize this approach may be completely wrong, so feel free to bash it if there’s something I could be doing better. What can I do to create an image with the user’s drawing on a transparent background from it? I’ve tried removing the solid color through other means, but the point sprite blending makes the edges of the lines look like a mess. The problem I’m having is that the drawing rendered to the second FBO has a solid background I can’t seem to get rid of. The first FBO I display on-screen since it includes the background image and the second I keep off-screen and use to extract the user drawing sans background when I need to. I then render all user drawing (done using point sprites and a pen texture) to both FBOs. I render the background image to the first FBO but not to the second. Of all the approaches I’ve tried, the most workable seems to be to use two FBOs each with their own color renderbuffer – one for on-screen drawing and one for off-screen. I’ve tried several different approaches unsuccessfully so I’m finally breaking down and asking for some help I’m writing an application that needs to allow the user to draw on a background image and, when they’re done, put their drawing (excluding the background image) into a new image with a transparent background. It does not store any personal data.I’m brand new to this forum and to OpenGL ES. The cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. The cookies is used to store the user consent for the cookies in the category "Necessary". The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". ![]() These cookies ensure basic functionalities and security features of the website, anonymously. Necessary cookies are absolutely essential for the website to function properly. Any feed back would be appreciated.Ĭlick on the following link Create a Banner using Gimp to learn more about the menu. ![]() Let me know what you think and if you feel that I can improve this tutorial. You might like to check the following YouTube video transparent background gimp. Note: When you save the image as a PNG file, be sure to select the ‘Save colour values from transparent pixels’ option in the Save as PNG dialog box.Īnd that’s it. Note: Make sure you don’t select Save background colour because it can cause some issues. This is one of the most widely use formats for the internet. This will make the selection transparent. Step 4 ) Click on Edit -> Clear as illustrated in the image below. This makes sure your image can store transparency data. If this feature is greyed out then it’s already done. Step 3 ) In the Layer window (the one showing your image), select Layer -> Transparency -> Add Alpha Channel. This tells you that the black background has been selected You can see a white line around the red rose. Step 2 ) You will usse the following tool Fuzzy Tool. This will make it easy to select all the areas of an image you wish to select. Tip: Use the zoom tool to see the details more clearly. Use shift-click to add more regions/colors. Step 1 ) Open your image and select the area you want to make transparent, in this example the black background will be removed “deleted”. How to make an image background transparent using Gimp Create An Image Map For WordPress Using Gimp.How to make an image background transparent.I chose this image to simplify the visual steps for you. This tutorial was written using Gimp version 2.6.11. The steps can still be followed if you are running version 2.10.2. In this post I am using an image of a red rose with a black background color. This tutorial shows you how to make an image background transparent. Please read more about it on Wikipedia Transparency. Important: Only file formats that support transparency include GIF, PNG and TIFF, through either a transparent color or an alpha channel. Latest News: I have updated the wording in the document. How to make an image background transparent using Gimp, shows you how to make the image background transparent and more.
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