typeGIFstruct{Image[]*image.Paletted// The successive images.
Delay[]int// The successive delay times, one per frame, in 100ths of a second.
// LoopCount controls the number of times an animation will be
// restarted during display.
// A LoopCount of 0 means to loop forever.
// A LoopCount of -1 means to show each frame only once.
// Otherwise, the animation is looped LoopCount+1 times.
LoopCountint// Disposal is the successive disposal methods, one per frame. For
// backwards compatibility, a nil Disposal is valid to pass to EncodeAll,
// and implies that each frame's disposal method is 0 (no disposal
// specified).
Disposal[]byte// Config is the global color table (palette), width and height. A nil or
// empty-color.Palette Config.ColorModel means that each frame has its own
// color table and there is no global color table. Each frame's bounds must
// be within the rectangle defined by the two points (0, 0) and
// (Config.Width, Config.Height).
//
// For backwards compatibility, a zero-valued Config is valid to pass to
// EncodeAll, and implies that the overall GIF's width and height equals
// the first frame's bounds' Rectangle.Max point.
Configimage.Config// BackgroundIndex is the background index in the global color table, for
// use with the DisposalBackground disposal method.
BackgroundIndexbyte}
GIF represents the possibly multiple images stored in a GIF file.
GIF 表示存储在 GIF 文件中的可能多个图像。
func DecodeAll
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funcDecodeAll(rio.Reader)(*GIF,error)
DecodeAll reads a GIF image from r and returns the sequential frames and timing information.
DecodeAll 从 r 读取 GIF 图像,并返回顺序帧和计时信息。
type Options <- go1.2
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typeOptionsstruct{// NumColors is the maximum number of colors used in the image.
// It ranges from 1 to 256.
NumColorsint// Quantizer is used to produce a palette with size NumColors.
// palette.Plan9 is used in place of a nil Quantizer.
Quantizerdraw.Quantizer// Drawer is used to convert the source image to the desired palette.
// draw.FloydSteinberg is used in place of a nil Drawer.
Drawerdraw.Drawer}