gif

type ApplicationNetscape struct {
	LoopCount int      // Number of times an animation will be restarted during display.
	SubBlocks [][]byte // Optional sub-blocks of arbitrary data.
}

type Comment struct {
	Strings []string // Comments, up to 255 ASCII characters per string.
}

type Decoder = decoder

type Encoder = encoder

type Frame struct {
	Image          *image.Paletted // Paletted image.
	DelayTime      time.Duration   // Delay time rounded to 100ths of a second.
	DisposalMethod byte            // Disposal method, one of DisposalNone, DisposalBackground, DisposalPrevious.
}

type GIF struct {
	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.
	LoopCount int
	// 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.
	Config image.Config
	// BackgroundIndex is the background index in the global color table, for
	// use with the DisposalBackground disposal method.
	BackgroundIndex byte
}

type Header struct {
	Version         string       // GIF version, either GIF87a or GIF89a.
	Config          image.Config // Global color table (palette), width and height.
	BackgroundIndex byte         // Background index in the global color table, for use with the DisposalBackground disposal method.
}

type Optimizer struct {
	// contains filtered or unexported fields
}

type Options struct {
	// NumColors is the maximum number of colors used in the image.
	// It ranges from 1 to 256.
	NumColors int

	// Quantizer is used to produce a palette with size NumColors.
	// palette.Plan9 is used in place of a nil Quantizer.
	Quantizer draw.Quantizer

	// Drawer is used to convert the source image to the desired palette.
	// draw.FloydSteinberg is used in place of a nil Drawer.
	Drawer draw.Drawer
}

type PlainText struct {
	TextGridLeftPosition     uint16
	TextGridTopPosition      uint16
	TextGridWidth            uint16
	TextGridHeight           uint16
	CharacterCellWidth       byte
	CharacterCellHeight      byte
	TextForegroundColorIndex byte
	TextBackgroundColorIndex byte
	Strings                  []string      // Text, up to 255 ASCII characters per string.
	DelayTime                time.Duration // Delay time rounded to 100ths of a second.
	DisposalMethod           byte          // Disposal method, one of DisposalNone, DisposalBackground, DisposalPrevious.
}

type UnknownApplication struct {
	Identifier string   // Identifier string of the application.
	SubBlocks  [][]byte // Optional sub-blocks of arbitrary data.
}

type UnknownExtension struct {
	Label     byte
	SubBlocks [][]byte // Optional sub-blocks of arbitrary data.
}