decoder

package

v0.12.0 Latest Latest Go to latest Published: Jan 24, 2022 License: Apache-2.0 Imports: 5 Imported by: 0

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Package decoder provides functionality of decoding compressed images such as PNG and GIF.

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

Decoder decodes compressed images, such as PNGs and GIFs

func New(imageFactory ImageFactory) *Decoder

New creates a Decoder instance which can be used many times for image decoding.

func (d *Decoder) Decode(reader Reader) (*image.Image, error)

Decode decodes compressed image such as PNG or GIF and creates a new *image.Image object filled with colors from decompressed image.

func (d *Decoder) DecodeFile(fileName string) (*image.Image, error)

DecodeFile decodes compressed file such as PNG or GIF and creates a new *image.Image object filled with colors from decompressed file.

type ImageFactory interface {
	NewImage(width, height int) *image.Image
}

ImageFactory creates a new image with given dimensions.

*glfw.OpenGL instance can be used as an ImageFactory implementation.

type Reader interface {
	Read(p []byte) (n int, err error)
}

Reader is the equivalent of io.Reader