-
```
Parts of axes that are not visible (e.g. those scrolled out of a viewport) are
not drawn properly when they become visible. Instead, they appear black or
have information from another part of t…
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I'm not sure where I'm going wrong here -- I'm applying the respective straight alpha formulas from [this Wikipedia page](https://en.wikipedia.org/wiki/Alpha_compositing) to all three colour chann…
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for example,
```
render.SetRenderTarget(some_rt)
render.Clear(0,0,0,100)
surface.SetDrawColor(255,255,255,200)
surface.DrawRect(0,0,100,100)
```
this will draw the rectangle with color
255,255…
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### Description
In recent three.js versions,`renderer.outputColorSpace`, `render.toneMapping`, and `renderer.toneMappingExposure` (jointly, the image formation step) are applied only when writing t…
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Add setImageMask to allow masked compose operations.
(`convert input.img overlay.img mask.img -compose ...`)
Sadly, there's no wand api for it, but it can be easily emulated with:
```
SetImageMask(Ge…
isage updated
7 months ago
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Imlib2 doesn't work for Wayland because it requires X11. As we provide bindings to Imlib2 for Lua, we need to find an alternative that's similar in functionality for Wayland.
Imlib2 supports follow…
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I tried to check the heatmap but failed.
Do you have an idea to add a visual option?
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```
Parts of axes that are not visible (e.g. those scrolled out of a viewport) are
not drawn properly when they become visible. Instead, they appear black or
have information from another part of t…
-
# Background
(If you already understand color theory, please feel free to skip this section.)
Let's discuss wide color. This is a term that probably requires some explanation.
For the sake of…
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Use case: using two different custom tile layers for mapping. For example, one map layer and one aerial imagery layer.
Now switching between two custom layers requires you to first change the backgro…