| Reference Manual - 1.0.1 | ||
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Methods of IDirectFBImageProvider |
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Retrieving information
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Get a surface description that best matches the image contained in the file. 获得与文件中包含的图像最匹配的一个层的描述 |
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Get a description of the image. 获得图像的描述 |
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Rendering |
Render the file contents into the destination contents doing automatic scaling and color format conversion. 把图像文件呈递到目的层,可以自动缩放或进行颜色格式的转换。如果此图像文件带有alpha通道,并且目的层的像素格式是ARGB,那么呈递后的图像文件也带有alpha通道,否则,图像文件的透明部分将会和黑色的背景混合。 |
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Registers a callback for progressive image loading. 注册一个装载图像文件的回调函数,这个函数在每次图像文件解码时都会被调用 |
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