imaging

Documentation

Index

• func CreateImage(path string, img image.Image) error
• func GenerateOutputPath(src, dst string, op string, params map[string]string) string
• func ProcessBatch(ctx context.Context, patterns []string, opts *BatchOptions, ...) error
• func ProcessVerify(ctx context.Context, patterns []string, opts *BatchOptions) error
• func SaveResults(path string, results ...*BatchResult) error
• type BatchOptions
• type BatchProcessor
  • func NewBatchProcessor(ctx context.Context, opts *BatchOptions) *BatchProcessor
  • func (b *BatchProcessor) AddFiles(patterns ...string) error
  • func (b *BatchProcessor) Errors() []string
  • func (b *BatchProcessor) GetProgress() *BatchProgress
  • func (b *BatchProcessor) Process(processor func(*ImageHandler) error) error
  • func (b *BatchProcessor) Results() []*BatchResult
• type BatchProgress
• type BatchResult
• type ImageHandler
  • func NewImageHandler(ctx context.Context, srcPath, dstPath string) (*ImageHandler, error)
  • func NewImageHandlerV1(ctx context.Context, srcPath, dstPath string) (*ImageHandler, error)
  • func NewImageHandlerV2(ctx context.Context, srcPath, dstPath string) (*ImageHandler, error)
  • func (h *ImageHandler) Adjust(brightness, contrast float64) error
  • func (h *ImageHandler) Blur(sigma float64) error
  • func (h *ImageHandler) ConvertFormat(format string) error
  • func (h *ImageHandler) Crop(x, y, width, height int) error
  • func (h *ImageHandler) Flip() error
  • func (h *ImageHandler) Flop() error
  • func (h *ImageHandler) GetInfo() *ImageInfo
  • func (h *ImageHandler) Resize(width, height int) error
  • func (h *ImageHandler) Rotate(angle float64) error
  • func (h *ImageHandler) Save(dstPath string) error
  • func (h *ImageHandler) Sharpen(sigma float64) error
  • func (h *ImageHandler) Verify() error
• type ImageInfo
  • func ProcessImage(ctx context.Context, src string, dst string, op string, ...) (*ImageInfo, error)
  • func VerifyImage(ctx context.Context, path string) (*ImageInfo, error)
• type ImageProcessor

Functions

func CreateImage

func CreateImage(path string, img image.Image) error

func GenerateOutputPath

func GenerateOutputPath(src, dst string, op string, params map[string]string) string

GenerateOutputPath 生成输出文件路径

func ProcessBatch

func ProcessBatch(ctx context.Context, patterns []string, opts *BatchOptions, processor func(*ImageHandler) error) error

ProcessBatch 通用批处理函数

func ProcessVerify

func ProcessVerify(ctx context.Context, patterns []string, opts *BatchOptions) error

ProcessVerify 处理验证结果

func SaveResults

func SaveResults(path string, results ...*BatchResult) error

SaveResults 保存结果到文件

Types

type BatchOptions

type BatchOptions struct {
	DstDir     string            // 输出目录
	Workers    int               // 并发数
	Params     map[string]string // 处理参数
	Op         string            // 操作类型
	ResultFile string            // 结果输出文件路径
}

BatchOptions 批处理选项

type BatchProcessor

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

BatchProcessor 批量处理器

func NewBatchProcessor

func NewBatchProcessor(ctx context.Context, opts *BatchOptions) *BatchProcessor

NewBatchProcessor 创建批量处理器

func (*BatchProcessor) AddFiles

func (b *BatchProcessor) AddFiles(patterns ...string) error

AddFiles 添加待处理文件

func (*BatchProcessor) Errors

func (b *BatchProcessor) Errors() []string

Errors 获取错误信息

func (*BatchProcessor) GetProgress

func (b *BatchProcessor) GetProgress() *BatchProgress

GetProgress 获取处理进度

func (*BatchProcessor) Process

func (b *BatchProcessor) Process(processor func(*ImageHandler) error) error

Process 执行批量处理

func (*BatchProcessor) Results

func (b *BatchProcessor) Results() []*BatchResult

Results 获取处理结果

type BatchProgress

type BatchProgress struct {
	Total     int     `json:"total"`
	Completed int     `json:"completed"`
	Failed    int     `json:"failed"`
	Progress  float64 `json:"progress"`
}

BatchProgress 批处理进度

type BatchResult

type BatchResult struct {
	Path      string     `json:"path"`
	Error     string     `json:"error,omitempty"`
	Image     *ImageInfo `json:"image"`
	Timestamp time.Time  `json:"timestamp"`
}

type ImageHandler

type ImageHandler struct {
	SrcPath string
	DstPath string
	// contains filtered or unexported fields
}

ImageHandler 图片处理器

func NewImageHandler

func NewImageHandler(ctx context.Context, srcPath, dstPath string) (*ImageHandler, error)

NewImageHandler 创建新的图片处理器

func NewImageHandlerV1

func NewImageHandlerV1(ctx context.Context, srcPath, dstPath string) (*ImageHandler, error)

func NewImageHandlerV2

func NewImageHandlerV2(ctx context.Context, srcPath, dstPath string) (*ImageHandler, error)

func (*ImageHandler) Adjust

func (h *ImageHandler) Adjust(brightness, contrast float64) error

Adjust 调整亮度和对比度

func (*ImageHandler) Blur

func (h *ImageHandler) Blur(sigma float64) error

Blur 模糊处理

func (*ImageHandler) ConvertFormat

func (h *ImageHandler) ConvertFormat(format string) error

ConvertFormat 转换图片格式

func (*ImageHandler) Crop

func (h *ImageHandler) Crop(x, y, width, height int) error

Crop 裁剪图片

func (*ImageHandler) Flip

func (h *ImageHandler) Flip() error

Flip 垂直翻转

func (*ImageHandler) Flop

func (h *ImageHandler) Flop() error

Flop 水平翻转

func (*ImageHandler) GetInfo

func (h *ImageHandler) GetInfo() *ImageInfo

GetInfo 获取图片信息

func (*ImageHandler) Resize

func (h *ImageHandler) Resize(width, height int) error

Resize 调整图片大小

func (*ImageHandler) Rotate

func (h *ImageHandler) Rotate(angle float64) error

Rotate 旋转图片

func (*ImageHandler) Save

func (h *ImageHandler) Save(dstPath string) error

Save 保存图片到指定路径

func (*ImageHandler) Sharpen

func (h *ImageHandler) Sharpen(sigma float64) error

Sharpen 锐化处理

func (*ImageHandler) Verify

func (h *ImageHandler) Verify() error

Verify 验证图片完整性

type ImageInfo

type ImageInfo struct {
	Path    string `json:"path"`
	Format  string `json:"format"`
	Width   int    `json:"width"`
	Height  int    `json:"height"`
	Size    int64  `json:"size"`
	Invalid bool   `json:"invalid"`
}

ImageInfo 图片信息

func ProcessImage

func ProcessImage(ctx context.Context, src string, dst string, op string, params map[string]string, processor func(*ImageHandler) error) (*ImageInfo, error)

func VerifyImage

func VerifyImage(ctx context.Context, path string) (*ImageInfo, error)

VerifyImage 验证图片完整性

type ImageProcessor

type ImageProcessor interface {
	Adjust(brightness float64, contrast float64) error
	Blur(sigma float64) error
	ConvertFormat(format string) error
	Crop(x int, y int, width int, height int) error
	Flip() error
	Flop() error
	GetInfo() *ImageInfo
	Resize(width int, height int) error
	Rotate(angle float64) error
	Save(dstPath string) error
	Sharpen(sigma float64) error
	Verify() error
}

ImageProcessor 处理图片的接口