converter

package

v1.0.0 Latest Latest Go to latest Published: Feb 11, 2026 License: MIT Imports: 23 Imported by: 0

Details

Valid go.mod file
Redistributable license
Tagged version
Stable version
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Repository

github.com/wukong-app/ruyi

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Documentation ¶

Index ¶

Constants
func CheckPositiveInt(value string) error
func CheckQuality(value string) error
func NewBMPToJPEGConverter() contract.Converter
func NewBMPToPNGConverter() contract.Converter
func NewGIFToJPEGConverter() contract.Converter
func NewGIFToPNGConverter() contract.Converter
func NewHEICToJPEGConverter() contract.Converter
func NewHEICToPNGConverter() contract.Converter
func NewHeightParam() contract.ConverterParam
func NewICOToJPEGConverter() contract.Converter
func NewICOToPNGConverter() contract.Converter
func NewJPEGToPNGConverter() contract.Converter
func NewJPEGToSVGConverter() contract.Converter
func NewPNGToGIFConverter() contract.Converter
func NewPNGToICOConverter() contract.Converter
func NewPNGToJPEGConverter() contract.Converter
func NewPNGToSVGConverter() contract.Converter
func NewPNGToTIFFConverter() contract.Converter
func NewQualityParam() contract.ConverterParam
func NewSVGToJPEGConverter() contract.Converter
func NewSVGToPNGConverter() contract.Converter
func NewTIFFToJPEGConverter() contract.Converter
func NewTIFFToPNGConverter() contract.Converter
func NewWEBPToJPEGConverter() contract.Converter
func NewWEBPToPNGConverter() contract.Converter
func NewWidthParam() contract.ConverterParam
func ParseQualityParam(params map[string]string) int
func ParseResizeParams(params map[string]string) (width, height int64)
type BaseConverter
- func NewBaseConverter(from, to contract.Concept, decode DecodeFunc, encode EncodeFunc, ...) *BaseConverter
- func (c *BaseConverter) Convert(ctx context.Context, in []byte, params map[string]string) ([]byte, error)
- func (c *BaseConverter) From() contract.Concept
- func (c *BaseConverter) Params() []contract.ConverterParam
- func (c *BaseConverter) To() contract.Concept
type DecodeFunc
type EncodeFunc

Constants ¶

View Source

const (
	ParamWidth   = core.ParamWidth
	ParamHeight  = core.ParamHeight
	ParamQuality = core.ParamQuality
)

CommonParams 定义了图片转换通用的参数名称

Variables ¶

This section is empty.

Functions ¶

func CheckPositiveInt ¶

func CheckPositiveInt(value string) error

CheckPositiveInt 校验是否为正整数（包含 0）

func CheckQuality ¶

func CheckQuality(value string) error

CheckQuality 校验图片质量 (1-100)

func NewBMPToJPEGConverter ¶

func NewBMPToJPEGConverter() contract.Converter

func NewBMPToPNGConverter ¶

func NewBMPToPNGConverter() contract.Converter

func NewGIFToJPEGConverter ¶

func NewGIFToJPEGConverter() contract.Converter

func NewGIFToPNGConverter ¶

func NewGIFToPNGConverter() contract.Converter

func NewHEICToJPEGConverter ¶

func NewHEICToJPEGConverter() contract.Converter

func NewHEICToPNGConverter ¶

func NewHEICToPNGConverter() contract.Converter

func NewHeightParam ¶

func NewHeightParam() contract.ConverterParam

NewHeightParam 创建高度参数定义

func NewICOToJPEGConverter ¶

func NewICOToJPEGConverter() contract.Converter

func NewICOToPNGConverter ¶

func NewICOToPNGConverter() contract.Converter

func NewJPEGToPNGConverter ¶

func NewJPEGToPNGConverter() contract.Converter

func NewJPEGToSVGConverter ¶

func NewJPEGToSVGConverter() contract.Converter

func NewPNGToGIFConverter ¶

func NewPNGToGIFConverter() contract.Converter

func NewPNGToICOConverter ¶

func NewPNGToICOConverter() contract.Converter

func NewPNGToJPEGConverter ¶

func NewPNGToJPEGConverter() contract.Converter

func NewPNGToSVGConverter ¶

func NewPNGToSVGConverter() contract.Converter

func NewPNGToTIFFConverter ¶

func NewPNGToTIFFConverter() contract.Converter

func NewQualityParam ¶

func NewQualityParam() contract.ConverterParam

NewQualityParam 创建质量参数定义

func NewSVGToJPEGConverter ¶

func NewSVGToJPEGConverter() contract.Converter

func NewSVGToPNGConverter ¶

func NewSVGToPNGConverter() contract.Converter

func NewTIFFToJPEGConverter ¶

func NewTIFFToJPEGConverter() contract.Converter

func NewTIFFToPNGConverter ¶

func NewTIFFToPNGConverter() contract.Converter

func NewWEBPToJPEGConverter ¶

func NewWEBPToJPEGConverter() contract.Converter

func NewWEBPToPNGConverter ¶

func NewWEBPToPNGConverter() contract.Converter

func NewWidthParam ¶

func NewWidthParam() contract.ConverterParam

NewWidthParam 创建宽度参数定义

func ParseQualityParam ¶

func ParseQualityParam(params map[string]string) int

ParseQualityParam 解析并返回 quality 参数

func ParseResizeParams ¶

func ParseResizeParams(params map[string]string) (width, height int64)

ParseResizeParams 解析并返回 width, height 参数

Types ¶

type BaseConverter ¶

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

BaseConverter 是一个通用的图片转换器实现，封装了常见的 Convert 流程

func NewBaseConverter ¶

func NewBaseConverter(from, to contract.Concept, decode DecodeFunc, encode EncodeFunc, extraParams ...contract.ConverterParam) *BaseConverter

NewBaseConverter 创建一个新的通用转换器

func (*BaseConverter) Convert ¶

func (c *BaseConverter) Convert(ctx context.Context, in []byte, params map[string]string) ([]byte, error)

Convert 执行标准的转换流程：CheckParams -> Decode -> Resize -> Encode

func (*BaseConverter) From ¶

func (c *BaseConverter) From() contract.Concept

func (*BaseConverter) Params ¶

func (c *BaseConverter) Params() []contract.ConverterParam

func (*BaseConverter) To ¶

func (c *BaseConverter) To() contract.Concept

type DecodeFunc ¶

type DecodeFunc func(r *bytes.Reader, params map[string]string) (image.Image, error)

DecodeFunc 定义解码函数签名

type EncodeFunc ¶

type EncodeFunc func(w *bytes.Buffer, img image.Image, params map[string]string) error

EncodeFunc 定义编码函数签名

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