silverdile

package

v1.0.0 Latest Latest Go to latest Published: Mar 9, 2022 License: MIT Imports: 12 Imported by: 0

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Repository

github.com/sinmetalcraft/silverdile

Links

Open Source Insights

Documentation ¶

Index ¶

Constants
Variables
func ContentTypeToImagingFormat(contentType string) (imaging.Format, error)
func NewErrInvalidArgument(message string, kv map[string]interface{}, err error) error
type Error
type FormatType
- func (ft FormatType) ImagingFormat() imaging.Format
type ImageMeta
type ImageService
- func NewImageService(ctx context.Context, gcs *storage.Client) (*ImageService, error)
type ResizeHandlers
- func NewResizeHandlers(ctx context.Context, basePath string, alterBucket string, ...) *ResizeHandlers
- func (h *ResizeHandlers) ResizeHandler(w http.ResponseWriter, r *http.Request)
type ResizeRequest
- func BuildResizeRequest(path string) (*ResizeRequest, error)

Constants ¶

View Source

const MaxResizeSize = 2560

View Source

const MinResizeSize = 0

Variables ¶

View Source

var ErrInvalidArgument = &Error{
	Code:    "InvalidArgument",
	Message: "invalid argument",
	KV:      map[string]interface{}{},
}

ErrInvalidArgument is 引数に問題がある時に返す

Functions ¶

func ContentTypeToImagingFormat ¶

func ContentTypeToImagingFormat(contentType string) (imaging.Format, error)

func NewErrInvalidArgument ¶

func NewErrInvalidArgument(message string, kv map[string]interface{}, err error) error

NewErrInvalidArgument is return InvalidArgument

Types ¶

type Error ¶

type Error struct {
	Code    string
	Message string
	KV      map[string]interface{}
	// contains filtered or unexported fields
}

Error is Error情報を保持する struct

func (*Error) Error ¶

func (e *Error) Error() string

Error is error interface func

func (*Error) Is ¶

func (e *Error) Is(target error) bool

Is is err equal check

func (*Error) Unwrap ¶

func (e *Error) Unwrap() error

Unwrap is return unwrap error

type FormatType ¶

type FormatType int

const (
	Default FormatType = iota
	PNG
	JPEG
)

func (FormatType) ImagingFormat ¶

func (ft FormatType) ImagingFormat() imaging.Format

type ImageMeta ¶

type ImageMeta struct {
	FormatType  FormatType
	ContentType string
}

type ImageService ¶

type ImageService struct {
	GCS *storage.Client
}

func NewImageService ¶

func NewImageService(ctx context.Context, gcs *storage.Client) (*ImageService, error)

func (*ImageService) Read ¶

func (s *ImageService) Read(ctx context.Context, bucket string, object string) (img image.Image, attrs *storage.ObjectAttrs, err error)

func (*ImageService) ResizeToFitLongSide ¶

func (s *ImageService) ResizeToFitLongSide(ctx context.Context, src image.Image, size int) (dst image.Image, err error)

ResizeToFitLongSide is 長辺が指定したサイズになるようにアスペクト比を維持してリサイズする

func (*ImageService) Write ¶

func (s *ImageService) Write(ctx context.Context, bucket string, object string, img image.Image, attrs *storage.ObjectAttrs) (err error)

Write is Cloud Storageに指定したImageを書き込む storage.ObjectAttrsは指定したいものがなければ、ほとんど空で構わないが、ContentTypeは必須

type ResizeHandlers ¶

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

func NewResizeHandlers ¶

func NewResizeHandlers(ctx context.Context, basePath string, alterBucket string, imageService *ImageService) *ResizeHandlers

func (*ResizeHandlers) ResizeHandler ¶

func (h *ResizeHandlers) ResizeHandler(w http.ResponseWriter, r *http.Request)

ResizeHandler is Pathで指定したCloud Storage上のObjectを指定したサイズにResizeして返すこのまま使うこともできるが、Exampleの意味合いが強い

type ResizeRequest ¶

type ResizeRequest struct {
	Bucket string
	Object string
	Size   int
}

func BuildResizeRequest ¶

func BuildResizeRequest(path string) (*ResizeRequest, error)

BuildResizeRequest is Request URLからResizeに必要な情報を生成する App Engine Image Serviceと同じ雰囲気のURLを利用する時に使う

期待する形式 `/{bucket}/{object}` `/{bucket}/{object}/=sXXX`

Source Files ¶

View all Source files

Directories ¶

Path	Synopsis
internal
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