PyGame 中的模糊 [英] Blurring in PyGame

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本文介绍了PyGame 中的模糊的处理方法,对大家解决问题具有一定的参考价值,需要的朋友们下面随着小编来一起学习吧!

问题描述

我正在 PyGame 中制作一个简短的介绍,我需要模糊一些静态线条.找了两天,没找到.

PyGame 是否具有模糊形状或表面的内置方法?我需要手动完成吗?解决这个问题的最佳方法是什么?

澄清一下,我不是在寻找运动模糊——我只需要一个简单的就地模糊,就像发光效果一样.

解决方案

没有内置的方法来模糊 Surface.

解决方法是:

  • 使用 并通过

    安装

    pip install Pillow-2.8.2-cp27-none-win32.whl

    或您下载的任何版本(否则在 Windows 上安装 PIL 可能是一个很棒的 PITA).

    I'm working on a short intro in PyGame, and I need to blur some static lines. After two days of searching, I can't find anything.

    Does PyGame have a built-in method to blur a shape or surface? Will I need to do it manually? What would be the best way to approach this?

    To clarify, I'm not looking for motion blur – I just need a simple in-place blur, almost like a glowing effect.

    解决方案

    There's no built-in way to blur a Surface.

    Workarounds are:

    • scale the Surface with pygame.transform.smoothscale and then back to its original size (ugly)

    • iterating over each pixel, get the color of the neighbour pixels, calculate the average value for red, green, and blue, and set the color of that pixel (slow as hell if not using something like numpy)

    I recommend using the Python Imaging Library (PIL), since it's nice and fast.

    Here's a simple and running example:

    import pygame
    from PIL import Image, ImageFilter
    
    pygame.init()
    screen = pygame.display.set_mode((512, 512))
    clock = pygame.time.Clock()
    
    compressed = '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'
    size, image_mode, raw = (128, 128), 'RGBA', compressed.decode("base64").decode("zlib")
    
    # create the original pygame surface
    surf = pygame.image.fromstring(raw, size, image_mode)
    
    # create a PIL image and blur it
    pil_blured = Image.fromstring("RGBA", size, raw).filter(ImageFilter.GaussianBlur(radius=6))
    
    # convert it back to a pygame surface
    other = pygame.image.fromstring(pil_blured.tostring("raw", image_mode), size, image_mode)
    
    pygame.time.set_timer(pygame.USEREVENT, 1000)
    
    while True:
        for e in pygame.event.get():
            if e.type == pygame.USEREVENT: surf, other = other, surf
            if e.type == pygame.QUIT: break
        else:
            screen.fill((255, 255, 255))
            screen.blit(surf, (192, 192))
            pygame.display.flip()
            clock.tick(60)
            continue
        break
    


    Hint: If you're on Windows and want to install PIL, download it from here and install it via

    pip install Pillow-2.8.2-cp27-none-win32.whl
    

    or whatever version you downloaded (installing PIL on Windows can be a great PITA otherwise).

    这篇关于PyGame 中的模糊的文章就介绍到这了,希望我们推荐的答案对大家有所帮助,也希望大家多多支持IT屋!

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