在 Pygame 中为图像着色 [英] Tinting an image in Pygame

问题描述

我正在研究如何以与 Monogame 类似的方式在 Pygame 中为图像着色.我一直在尝试让像 BLEND_ADD 这样的自定义标志起作用，但很难找到我正在寻找的简洁示例，主要是人们试图以某种方式变暗"或使用 alpha 级别.

问题:如何以与 MonoGame 相同的方式将图像着色为特定的 RGBA 值?

解决方案

用一种颜色填充你的图像并传递一个

I'm looking on how to tint an image in Pygame in a similar fashion of how Monogame does it. I've been trying to get custom flags like BLEND_ADD to work but it's been hard to find concise examples of what I'm looking for, it's mostly been people trying to "darken" or work with the alpha levels in a way.

Question: How do I tint an image to a certain RGBA value in the same way that MonoGame does it?

解决方案

Fill your image with a color and pass one of the BLEND constants as the special_flags argument, e.g. your_image.fill((190, 0, 0, 100), special_flags=pygame.BLEND_ADD).

Note that BLEND_RGB_ADD is just an alias for BLEND_ADD (and the same applies to the other modes). The RGBA modes will also modify the alpha channel (ADD and MAX make transparent parts visible).

Here's a table that shows you the effects of the different blending modes (I've also added the names of the modes in Photoshop):

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