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Python Image.remove_from_cache方法代码示例

本文整理汇总了Python中kivy.core.image.Image.remove_from_cache方法的典型用法代码示例。如果您正苦于以下问题:Python Image.remove_from_cache方法的具体用法?Python Image.remove_from_cache怎么用?Python Image.remove_from_cache使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在kivy.core.image.Image的用法示例。


在下文中一共展示了Image.remove_from_cache方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Python代码示例。

示例1: Image

# 需要导入模块: from kivy.core.image import Image [as 别名]
# 或者: from kivy.core.image.Image import remove_from_cache [as 别名]
    class Image(object):
        EMPTY_IMAGE = Kivy_Image(Texture.create(size=(0, 0)))

        width = 0
        height = 0
        filename = None
        is_sequence_image = False

        def __init__(self, image = None, sequence = False, width = None, height = None, mipmap = True):
            if image is None:
                self.image = self.EMPTY_IMAGE
                self.width = 0
                self.height = 0
                return
            if isinstance(image, str):
                self.filename = image
                try:
                    self.image = Kivy_Image(image, mipmap = mipmap)
                except:
                    raise MyrmidonError("Couldn't load image from " + image)
            else:
                self.image = Kivy_Image(image)
            self.width = self.image.width
            self.height = self.image.height

        def destroy(self):
            """
            Explicitly removes this image from the video memory and
            Kivy's cache.
            This functionality requires the custom kivy version at
            http://github.com/arcticshores/kivy
            """
            if self.image is None or self.image is self.EMPTY_IMAGE:
                return

            from kivy.cache import Cache
            from kivy.graphics.opengl import glBindTexture, glDeleteTextures
            from kivy.logger import Logger

            Logger.debug("MyrmidonGFX: Destroying {0}".format(self.filename if self.filename else self.image))

            # Remove from cache
            self.image.remove_from_cache()

            # Convert the ID to the right byte format for the GL method
            a1 = (self.image.texture.id >>  0) & 0xFF
            a2 = (self.image.texture.id >>  8) & 0xFF
            a3 = (self.image.texture.id >> 16) & 0xFF
            a4 = (self.image.texture.id >> 24) & 0xFF

            # Remove texture completely
            glBindTexture(self.image.texture.target, 0)
            glDeleteTextures(1, bytes(bytearray([a1, a2, a3, a4])))

            # Since we've done a manual removal kivy shouldn't do it's own removal later
            self.image.texture.nofree = 1

            # Stop this image from being used as a texture now
            self.image = None
开发者ID:arcticshores,项目名称:Myrmidon,代码行数:61,代码来源:engine.py


注:本文中的kivy.core.image.Image.remove_from_cache方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。