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Updated Image Loading and Displaying Examples (markdown)

omar 2021-10-30 17:41:16 +02:00
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Image-Loading-and-Displaying-Examples.md

@ -52,7 +52,7 @@ filename = "../MyImage01.jpg"; // Load from parent folder
From the FAQ: "How can I display an image? What is ImTextureID, how does it works?" From the FAQ: "How can I display an image? What is ImTextureID, how does it works?"
Short explanation: Short explanation:
- You may use functions such as `ImGui::Image()`, `ImGui::ImageButton()` or lower-level `ImDrawList::AddImage()` to emit draw calls that will use your own textures. - You may use functions such as `ImGui::Image()`, `ImGui::ImageButton()` or lower-level `ImDrawList::AddImage()` to emit draw calls that will use your own textures. Using `ImGui::GetBackgroundDrawList()` you may submit AddImage() calls that are not part of a specific ImGui window but displayed between your background contents and ImGui windows.
- Actual textures are identified in a way that is up to the user/engine. Those identifiers are stored and passed as a `ImTextureID` value (which is no other than a `void*`). - Actual textures are identified in a way that is up to the user/engine. Those identifiers are stored and passed as a `ImTextureID` value (which is no other than a `void*`).
- Loading image files from the disk and turning them into a texture is not within the scope of Dear ImGui (for a good reason). You can read documentations or tutorials on your graphics API to understand how to upload textures. Onward in this document you'll find examples. - Loading image files from the disk and turning them into a texture is not within the scope of Dear ImGui (for a good reason). You can read documentations or tutorials on your graphics API to understand how to upload textures. Onward in this document you'll find examples.