media

package
v0.0.0-...-8bfda83 Latest Latest
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 Go to latest Published: May 12, 2015 License: MIT Imports: 26 Imported by: 26

Documentation

Index

Constants

This section is empty.

Variables

View Source 
var API = Api{

	AllThumbnails: view.RenderViewWithURLBindURLArgs(
		func(ctx *view.Context, thumbnailSize int) error {
			ctx.Response.Header().Set("Content-Type", "application/json")
			ctx.Response.WriteString("[\n")
			first := true
			i := Config.Backend.ImageIterator()
			var image Image
			for i.Next(&image) {
				thumbnail, err := image.Thumbnail(thumbnailSize)
				if err != nil {
					return err
				}
				if first {
					first = false
				} else {
					ctx.Response.WriteString(",\n")
				}
				ctx.Response.Printf(
					`{"id": "%s", "title": "%s", "url": "%s"}`,
					image.ID, image.Title, thumbnail.FileURL().URL(ctx),
				)
			}
			if i.Err() != nil {
				return i.Err()
			}
			ctx.Response.WriteString("\n]")
			return nil
		},
	),
}
View Source 
var Config = Configuration{
	DummyImageColor: "#a8a8a8",
	Admin: AdminConfiguration{
		ImageEditorClass:    "media-image-editor",
		ThumbnailSize:       200,
		ThumbnailFrameClass: "thumbnail-frame",
		ActionsClass:        "actions",
	},
	ImageRefController: ImageRefControllerConfiguration{
		Class:               "media-imageref-editor",
		ThumbnailSize:       100,
		ThumbnailFrameClass: "thumbnail-frame",
		ActionsClass:        "actions",
	},
	BlobRefController: BlobRefControllerConfiguration{
		Class:        "media-blobref-editor",
		ActionsClass: "actions",
	},
}
View Source 
var FileView = view.NewViewURLWrapper(view.RenderView(
	func(ctx *view.Context) error {
		reader, _, contentType, err := Config.Backend.FileReader(ctx.URLArgs[0])
		if err != nil {
			if _, ok := err.(ErrNotFound); ok {
				err = view.NotFound(ctx.URLArgs[0] + "/" + ctx.URLArgs[1] + " not found")
				config.Logger.Println("FileView:", err)
				return err
			}
			return err
		}
		defer reader.Close()
		_, err = io.Copy(ctx.Response, reader)
		if err != nil {
			config.Logger.Println("FileView:", err)
			return err
		}
		ctx.Response.Header().Set("Content-Type", contentType)
		return nil
	},
))
View Source 
var UploadBlob = view.NewViewURLWrapper(view.RenderViewBindURLArgs(
	func(ctx *view.Context, thumbnailSize int) error {
		formatError := func(err error) error {
			config.Logger.Println("UploadBlob:", err)
			return fmt.Errorf(`{success: false, error: "%s"}`, err.Error())
		}

		filename := ctx.Request.Header.Get("X-File-Name")
		var r io.ReadCloser
		if filename != "" {
			r = ctx.Request.Body
		} else {
			f, h, err := ctx.Request.FormFile("qqfile")
			if err != nil {
				return formatError(err)
			}
			filename = h.Filename
			r = f
		}
		defer r.Close()
		blob, err := NewBlobFromReader(filename, r)
		if err != nil {
			return formatError(err)
		}

		ctx.Response.Printf(`{success: true, blobID: "%s", blobSize: %d}`, blob.ID, blob.Size)
		return nil
	},
))
View Source 
var UploadImage = view.NewViewURLWrapper(view.RenderViewBindURLArgs(
	func(ctx *view.Context, thumbnailSize int) error {
		formatError := func(err error) error {
			config.Logger.Println("UploadImage:", err)
			return fmt.Errorf(`{success: false, error: "%s"}`, err.Error())
		}

		filename := ctx.Request.Header.Get("X-File-Name")
		var r io.ReadCloser
		if filename != "" {
			r = ctx.Request.Body
		} else {
			f, h, err := ctx.Request.FormFile("qqfile")
			if err != nil {
				return formatError(err)
			}
			filename = h.Filename
			r = f
		}
		defer r.Close()

		i, err := NewImageFromReader(filename, r)
		if err != nil {
			return formatError(err)
		}
		v, err := i.Thumbnail(thumbnailSize)
		if err != nil {
			return formatError(err)
		}

		ctx.Response.Printf(`{success: true, imageID: "%s", thumbnailURL: "%s", thumbnailSize: %d}`, i.ID, v.FileURL().URL(ctx), thumbnailSize)
		return nil
	},
))

Functions

func BlobIterator 

func BlobIterator() model.Iterator

func BlobsAdmin 

func BlobsAdmin() view.View

func ColoredImageDataURL 

func ColoredImageDataURL(c color.Color) string

ColoredImageDataURL creates a 1 pixel image with the given color and encodes it as data URL.

func ImageDataURL 

func ImageDataURL(imageURL string) (dataURL string, err error)

ImageDataURL loads an image and encodes it as a data URL. Use a file-URL that begins with file:// to load local files.

func ImageIterator 

func ImageIterator() model.Iterator

func ImagesAdmin 

func ImagesAdmin() view.View

func MakePrettyUrlFilename 

func MakePrettyUrlFilename(filename string) string

MakePrettyUrlFilename modifies a filename so it looks good as part on an URL.

func NewImageOfType 

func NewImageOfType(src image.Image, width, height int) image.Image

func NewImageOfTypeRect 

func NewImageOfTypeRect(src image.Image, bounds image.Rectangle) image.Image

func RequireUploadBlobButtonScript 

func RequireUploadBlobButtonScript(parentSelector, dropZoneSelector, listSelector, onComplete string) view.View

Uses https://github.com/valums/file-uploader

func RequireUploadImageButtonScript 

func RequireUploadImageButtonScript(parentSelector, dropZoneSelector, listSelector string, thumbnailSize int, onComplete string) view.View

Uses https://github.com/valums/file-uploader

func ResampleImage 

func ResampleImage(m image.Image, r image.Rectangle, w, h int) image.Image

Resample returns a resampled copy of the image slice r of m. The returned image has width w and height h.

func SubImageWithoutOffset 

func SubImageWithoutOffset(src image.Image, rect image.Rectangle) image.Image

func UploadBlobButton 

func UploadBlobButton(dropZoneSelector, listSelector, onComplete string) view.View

func UploadImageButton 

func UploadImageButton(dropZoneSelector, listSelector string, thumbnailSize int, onComplete string) view.View

func ViewPath 

func ViewPath(name string) view.ViewPath

ViewPath returns the view.ViewPath for all media URLs.

Types

type AdminConfiguration 

type AdminConfiguration struct {
	ImageEditorClass    string
	ThumbnailSize       int
	ThumbnailFrameClass string
	ActionsClass        string
	ButtonClass         string
}

type Api 

type Api struct {
	AllThumbnails view.ViewWithURL
}

type Backend 

type Backend interface {
	FileWriter(filename, contentType string) (writer io.WriteCloser, id string, err error)
	// Returns ErrNotFound if no file with id is found.
	FileReader(id string) (reader io.ReadCloser, filename, contentType string, err error)
	// Returns ErrNotFound if no file with id is found.
	DeleteFile(id string) error

	LoadBlob(id string) (*Blob, error)
	SaveBlob(blob *Blob) error
	// DeleteBlob does not delete the file associated with it, also use DeleteFile().
	DeleteBlob(blob *Blob) error

	// BlobIterator returns an iterator that iterates
	// all blobs as Blob structs.
	BlobIterator() model.Iterator

	// CountBlobRefs counts all BlobRef occurrences with blobID
	// in all known databases
	CountBlobRefs(blobID string) (count int, err error)

	// RemoveAllBlobRefs removes all BlobRef occurrences with blobID
	// in all known databases.
	RemoveAllBlobRefs(blobID string) (count int, err error)

	// Returns ErrNotFound if no image with id is found.
	LoadImage(id string) (*Image, error)

	// SaveImage saves image and updates its ID if it is empty.
	SaveImage(image *Image) error

	DeleteImage(image *Image) error

	// ImageIterator returns an iterator that iterates
	// all images as Image structs.
	ImageIterator() model.Iterator

	// CountImageRefs counts all ImageRef occurrences with imageID
	// in all known databases.
	CountImageRefs(imageID string) (count int, err error)

	// RemoveAllImageRefs removes all ImageRef occurrences with imageID
	// in all known databases.
	RemoveAllImageRefs(imageID string) (count int, err error)
}

type Blob 

type Blob struct {
	ID          model.String `bson:",omitempty"`
	Title       model.String
	Link        model.Url
	Filename    model.String
	ContentType model.String
	Size        model.Int
	FileID      model.String
}

func LoadBlob 

func LoadBlob(id string) (*Blob, error)

LoadBlob loads an existing image from Config.Backend.

func NewBlob 

func NewBlob(filename string, data []byte) (*Blob, error)

func NewBlobFromReader 

func NewBlobFromReader(filename string, reader io.Reader) (*Blob, error)

func NewBlobFromURL 

func NewBlobFromURL(url string) (*Blob, error)

NewBlobFromURL creates and saves a new Blob by downloading it from url.

func (*Blob) CountRefs 

func (self *Blob) CountRefs() (int, error)

func (*Blob) Delete 

func (self *Blob) Delete() error
func (self *Blob) FileLink(class string) *view.Link

func (*Blob) FileReader 

func (self *Blob) FileReader() (reader io.ReadCloser, filename, contentType string, err error)

FileReader returns a reader for the blob-file if it exists.

func (*Blob) FileURL 

func (self *Blob) FileURL() view.URL

func (*Blob) FileWriter 

func (self *Blob) FileWriter() (writer io.WriteCloser, err error)

FileWriter deletes the current blob-file and returns a writer for a new file. The ID of the new file is set at Blob, but Blob is not saved. You have to call Save() after FileWriter().

func (*Blob) Init 

func (self *Blob) Init() *Blob

func (*Blob) RemoveAllRefs 

func (self *Blob) RemoveAllRefs() (count int, err error)

func (*Blob) Save 

func (self *Blob) Save() error

type BlobRef 

type BlobRef string

func NewBlobRef 

func NewBlobRef(blob *Blob) *BlobRef
func (self *BlobRef) FileLink(class string) (*view.Link, error)

func (*BlobRef) FileURL 

func (self *BlobRef) FileURL() (view.URL, error)

func (*BlobRef) Get 

func (self *BlobRef) Get() (*Blob, error)

Blob loads the referenced blob, or returns nil if the reference is empty.

func (*BlobRef) IsEmpty 

func (self *BlobRef) IsEmpty() bool

func (*BlobRef) Required 

func (self *BlobRef) Required(metaData *model.MetaData) bool

func (*BlobRef) Set 

func (self *BlobRef) Set(blob *Blob)

SetBlob sets the ID of blob, or an empty reference if blob is nil.

func (*BlobRef) SetString 

func (self *BlobRef) SetString(str string) error

func (*BlobRef) String 

func (self *BlobRef) String() string

func (*BlobRef) TryGet 

func (self *BlobRef) TryGet() (*Blob, bool, error)

func (*BlobRef) Validate 

func (self *BlobRef) Validate(metaData *model.MetaData) error

type BlobRefController 

type BlobRefController struct {
	view.SetModelValueControllerBase
}

func (BlobRefController) NewInput 

func (self BlobRefController) NewInput(withLabel bool, metaData *model.MetaData, form *view.Form) (input view.View, err error)

func (BlobRefController) Supports 

func (self BlobRefController) Supports(metaData *model.MetaData, form *view.Form) bool

type BlobRefControllerConfiguration 

type BlobRefControllerConfiguration struct {
	Class        string
	ActionsClass string
}

type Configuration 

type Configuration struct {
	Backend                 Backend
	NoDynamicStyleAndScript bool
	DummyImageColor         string // web color

	Admin              AdminConfiguration
	ImageRefController ImageRefControllerConfiguration
	BlobRefController  BlobRefControllerConfiguration
	// contains filtered or unexported fields
}

func (*Configuration) Close 

func (self *Configuration) Close() error

func (*Configuration) Init 

func (self *Configuration) Init() error

func (*Configuration) Name 

func (self *Configuration) Name() string

type ErrNotFound 

type ErrNotFound string

func (ErrNotFound) Error 

func (self ErrNotFound) Error() string

type HorAlignment 

type HorAlignment int
const (
	HorCenter HorAlignment = iota
	Left
	Right
)

type Image 

type Image struct {
	ID       model.String `bson:",omitempty"`
	Title    model.String
	Link     model.Url
	Size     model.Int
	Versions []ImageVersion
}

func LoadImage 

func LoadImage(id string) (*Image, error)

LoadImage loads an existing image from Config.Backend.

func NewImage 

func NewImage(filename string, data []byte) (*Image, error)

NewImage creates and saves a new Image. GIF, TIFF, BMP images will be read, but saved as PNG.

func NewImageFromReader 

func NewImageFromReader(filename string, reader io.Reader) (*Image, error)

NewImageFromReader creates and saves a new Image from reader. GIF, TIFF, BMP images will be read, but saved as PNG.

func NewImageFromURL 

func NewImageFromURL(url string) (*Image, error)

NewImageFromURL creates and saves a new Image by downloading it from url. GIF, TIFF, BMP images will be read, but saved as PNG.

func (*Image) AspectRatio 

func (self *Image) AspectRatio() float64

AspectRatio returns Width / Height

func (*Image) ContentType 

func (self *Image) ContentType() string

func (*Image) CountRefs 

func (self *Image) CountRefs() (int, error)

func (*Image) Delete 

func (self *Image) Delete() error

func (*Image) DeleteVersion 

func (self *Image) DeleteVersion(index int) error

func (*Image) DeleteVersions 

func (self *Image) DeleteVersions() error

func (*Image) FileURL 

func (self *Image) FileURL() view.URL

func (*Image) Filename 

func (self *Image) Filename() string

func (*Image) Grayscale 

func (self *Image) Grayscale() bool

func (*Image) Height 

func (self *Image) Height() int

func (*Image) Init 

func (self *Image) Init() *Image

func (*Image) OriginalVersion 

func (self *Image) OriginalVersion() *ImageVersion

func (*Image) Rectangle 

func (self *Image) Rectangle() image.Rectangle

func (*Image) RemoveAllRefs 

func (self *Image) RemoveAllRefs() (count int, err error)

func (*Image) Save 

func (self *Image) Save() error

func (*Image) Thumbnail 

func (self *Image) Thumbnail(size int) (im *ImageVersion, err error)

func (*Image) ThumbnailLinkedView 

func (self *Image) ThumbnailLinkedView(size int, imageClass, linkClass string) (*view.Link, error)

func (*Image) ThumbnailView 

func (self *Image) ThumbnailView(size int, class string) (*view.Image, error)

func (*Image) Version 

func (self *Image) Version(width, height int, horAlign HorAlignment, verAlign VerAlignment, grayscale bool) (im *ImageVersion, err error)

func (*Image) VersionCentered 

func (self *Image) VersionCentered(width, height int, grayscale bool) (im *ImageVersion, err error)

func (*Image) VersionCenteredLinkedView 

func (self *Image) VersionCenteredLinkedView(width, height int, grayscale bool, imageClass, linkClass string) (*view.Link, error)

func (*Image) VersionCenteredView 

func (self *Image) VersionCenteredView(width, height int, grayscale bool, class string) (*view.Image, error)

func (*Image) VersionHeight 

func (self *Image) VersionHeight(height int, grayscale bool) (im *ImageVersion, err error)

func (*Image) VersionHeightLinkedView 

func (self *Image) VersionHeightLinkedView(height int, grayscale bool, imageClass, linkClass string) (*view.Link, error)

func (*Image) VersionHeightView 

func (self *Image) VersionHeightView(height int, grayscale bool, class string) (*view.Image, error)

func (*Image) VersionLinkedView 

func (self *Image) VersionLinkedView(width, height int, horAlign HorAlignment, verAlign VerAlignment, grayscale bool, imageClass, linkClass string) (*view.Link, error)

func (*Image) VersionSourceRect 

func (self *Image) VersionSourceRect(sourceRect image.Rectangle, width, height int, grayscale bool, outsideColor color.Color) (im *ImageVersion, err error)

VersionSourceRect searches and returns an existing matching version, or a new one will be created and saved.

func (*Image) VersionSourceRectLinkedView 

func (self *Image) VersionSourceRectLinkedView(sourceRect image.Rectangle, width, height int, grayscale bool, outsideColor color.Color, imageClass, linkClass string) (*view.Link, error)

func (*Image) VersionSourceRectView 

func (self *Image) VersionSourceRectView(sourceRect image.Rectangle, width, height int, grayscale bool, outsideColor color.Color, class string) (*view.Image, error)

func (*Image) VersionTouchOrigFromOutside 

func (self *Image) VersionTouchOrigFromOutside(width, height int, horAlign HorAlignment, verAlign VerAlignment, grayscale bool, outsideColor color.Color) (im *ImageVersion, err error)

func (*Image) VersionTouchOrigFromOutsideCentered 

func (self *Image) VersionTouchOrigFromOutsideCentered(width, height int, grayscale bool, outsideColor color.Color) (im *ImageVersion, err error)

func (*Image) VersionTouchOrigFromOutsideCenteredLinkedView 

func (self *Image) VersionTouchOrigFromOutsideCenteredLinkedView(width, height int, grayscale bool, outsideColor color.Color, imageClass, linkClass string) (*view.Link, error)

func (*Image) VersionTouchOrigFromOutsideCenteredView 

func (self *Image) VersionTouchOrigFromOutsideCenteredView(width, height int, grayscale bool, outsideColor color.Color, class string) (*view.Image, error)

func (*Image) VersionTouchOrigFromOutsideLinkedView 

func (self *Image) VersionTouchOrigFromOutsideLinkedView(width, height int, horAlign HorAlignment, verAlign VerAlignment, grayscale bool, outsideColor color.Color, imageClass, linkClass string) (*view.Link, error)

func (*Image) VersionTouchOrigFromOutsideView 

func (self *Image) VersionTouchOrigFromOutsideView(width, height int, horAlign HorAlignment, verAlign VerAlignment, grayscale bool, outsideColor color.Color, class string) (*view.Image, error)

func (*Image) VersionView 

func (self *Image) VersionView(width, height int, horAlign HorAlignment, verAlign VerAlignment, grayscale bool, class string) (*view.Image, error)

func (*Image) VersionWidth 

func (self *Image) VersionWidth(width int, grayscale bool) (im *ImageVersion, err error)

func (*Image) VersionWidthLinkedView 

func (self *Image) VersionWidthLinkedView(width int, grayscale bool, imageClass, linkClass string) (*view.Link, error)

func (*Image) VersionWidthView 

func (self *Image) VersionWidthView(width int, grayscale bool, class string) (*view.Image, error)

func (*Image) Width 

func (self *Image) Width() int

type ImageRef 

type ImageRef string

func NewImageRef 

func NewImageRef(image *Image) *ImageRef

func (*ImageRef) Get 

func (self *ImageRef) Get() (*Image, error)

Image loads the referenced image, or returns nil if the reference is empty.

func (*ImageRef) IsEmpty 

func (self *ImageRef) IsEmpty() bool

func (*ImageRef) OriginalVersion 

func (self *ImageRef) OriginalVersion() (*ImageVersion, error)

func (*ImageRef) OriginalVersionLinkedView 

func (self *ImageRef) OriginalVersionLinkedView(imageClass, linkClass string) (*view.Link, error)

func (*ImageRef) OriginalVersionView 

func (self *ImageRef) OriginalVersionView(class string) (*view.Image, error)

func (*ImageRef) Required 

func (self *ImageRef) Required(metaData *model.MetaData) bool

func (*ImageRef) Set 

func (self *ImageRef) Set(image *Image)

SetImage sets the ID of image, or an empty reference if image is nil.

func (*ImageRef) SetString 

func (self *ImageRef) SetString(str string) error

func (*ImageRef) String 

func (self *ImageRef) String() string

func (*ImageRef) Thumbnail 

func (self *ImageRef) Thumbnail(size int) (im *ImageVersion, err error)

func (*ImageRef) ThumbnailLinkedView 

func (self *ImageRef) ThumbnailLinkedView(size int, imageClass, linkClass string) (*view.Link, error)

func (*ImageRef) ThumbnailView 

func (self *ImageRef) ThumbnailView(size int, class string) (*view.Image, error)

func (*ImageRef) TryGet 

func (self *ImageRef) TryGet() (*Image, bool, error)

func (*ImageRef) Validate 

func (self *ImageRef) Validate(metaData *model.MetaData) error

func (*ImageRef) Version 

func (self *ImageRef) Version(width, height int, horAlign HorAlignment, verAlign VerAlignment, grayscale bool) (im *ImageVersion, err error)

func (*ImageRef) VersionCentered 

func (self *ImageRef) VersionCentered(width, height int, grayscale bool) (im *ImageVersion, err error)

func (*ImageRef) VersionCenteredLinkedView 

func (self *ImageRef) VersionCenteredLinkedView(width, height int, grayscale bool, imageClass, linkClass string) (*view.Link, error)

func (*ImageRef) VersionCenteredView 

func (self *ImageRef) VersionCenteredView(width, height int, grayscale bool, class string) (*view.Image, error)

func (*ImageRef) VersionHeight 

func (self *ImageRef) VersionHeight(height int, grayscale bool) (im *ImageVersion, err error)

func (*ImageRef) VersionHeightLinkedView 

func (self *ImageRef) VersionHeightLinkedView(height int, grayscale bool, imageClass, linkClass string) (*view.Link, error)

func (*ImageRef) VersionHeightView 

func (self *ImageRef) VersionHeightView(height int, grayscale bool, class string) (*view.Image, error)

func (*ImageRef) VersionLinkedView 

func (self *ImageRef) VersionLinkedView(width, height int, horAlign HorAlignment, verAlign VerAlignment, grayscale bool, imageClass, linkClass string) (*view.Link, error)

func (*ImageRef) VersionSourceRect 

func (self *ImageRef) VersionSourceRect(sourceRect image.Rectangle, width, height int, grayscale bool, outsideColor color.Color) (im *ImageVersion, err error)

func (*ImageRef) VersionSourceRectLinkedView 

func (self *ImageRef) VersionSourceRectLinkedView(sourceRect image.Rectangle, width, height int, grayscale bool, outsideColor color.Color, imageClass, linkClass string) (*view.Link, error)

func (*ImageRef) VersionSourceRectView 

func (self *ImageRef) VersionSourceRectView(sourceRect image.Rectangle, width, height int, grayscale bool, outsideColor color.Color, class string) (*view.Image, error)

func (*ImageRef) VersionTouchOrigFromOutside 

func (self *ImageRef) VersionTouchOrigFromOutside(width, height int, horAlign HorAlignment, verAlign VerAlignment, grayscale bool, outsideColor color.Color) (im *ImageVersion, err error)

func (*ImageRef) VersionTouchOrigFromOutsideCentered 

func (self *ImageRef) VersionTouchOrigFromOutsideCentered(width, height int, grayscale bool, outsideColor color.Color) (im *ImageVersion, err error)

func (*ImageRef) VersionTouchOrigFromOutsideCenteredLinkedView 

func (self *ImageRef) VersionTouchOrigFromOutsideCenteredLinkedView(width, height int, grayscale bool, outsideColor color.Color, imageClass, linkClass string) (*view.Link, error)

func (*ImageRef) VersionTouchOrigFromOutsideCenteredView 

func (self *ImageRef) VersionTouchOrigFromOutsideCenteredView(width, height int, grayscale bool, outsideColor color.Color, class string) (*view.Image, error)

func (*ImageRef) VersionTouchOrigFromOutsideLinkedView 

func (self *ImageRef) VersionTouchOrigFromOutsideLinkedView(width, height int, horAlign HorAlignment, verAlign VerAlignment, grayscale bool, outsideColor color.Color, imageClass, linkClass string) (*view.Link, error)

func (*ImageRef) VersionTouchOrigFromOutsideView 

func (self *ImageRef) VersionTouchOrigFromOutsideView(width, height int, horAlign HorAlignment, verAlign VerAlignment, grayscale bool, outsideColor color.Color, class string) (*view.Image, error)

func (*ImageRef) VersionView 

func (self *ImageRef) VersionView(width, height int, horAlign HorAlignment, verAlign VerAlignment, grayscale bool, class string) (*view.Image, error)

func (*ImageRef) VersionWidth 

func (self *ImageRef) VersionWidth(width int, grayscale bool) (im *ImageVersion, err error)

func (*ImageRef) VersionWidthLinkedView 

func (self *ImageRef) VersionWidthLinkedView(width int, grayscale bool, imageClass, linkClass string) (*view.Link, error)

func (*ImageRef) VersionWidthView 

func (self *ImageRef) VersionWidthView(width int, grayscale bool, class string) (*view.Image, error)

type ImageRefController 

type ImageRefController struct {
	view.SetModelValueControllerBase
}

func (ImageRefController) NewInput 

func (self ImageRefController) NewInput(withLabel bool, metaData *model.MetaData, form *view.Form) (input view.View, err error)

func (ImageRefController) Supports 

func (self ImageRefController) Supports(metaData *model.MetaData, form *view.Form) bool

type ImageRefControllerConfiguration 

type ImageRefControllerConfiguration struct {
	Class               string
	ThumbnailFrameClass string
	ThumbnailSize       int
	ActionsClass        string
}

type ImageVersion 

type ImageVersion struct {
	ID           model.String `bson:",omitempty"`
	Filename     model.String
	ContentType  model.String
	SourceRect   ModelRect
	OutsideColor model.Color
	Width        model.Int
	Height       model.Int
	Grayscale    model.Bool
	// contains filtered or unexported fields
}

func (*ImageVersion) AspectRatio 

func (self *ImageVersion) AspectRatio() float64

AspectRatio returns Width / Height

func (*ImageVersion) FileURL 

func (self *ImageVersion) FileURL() view.URL

func (*ImageVersion) LinkedView 

func (self *ImageVersion) LinkedView(imageClass, linkClass string) *view.Link

func (*ImageVersion) LoadImage 

func (self *ImageVersion) LoadImage() (image.Image, error)

func (*ImageVersion) SaveImage 

func (self *ImageVersion) SaveImage(im image.Image) error

func (*ImageVersion) SaveImageData 

func (self *ImageVersion) SaveImageData(data []byte) error

func (*ImageVersion) View 

func (self *ImageVersion) View(class string) *view.Image

type ModelRect 

type ModelRect struct {
	MinX model.Int
	MinY model.Int
	MaxX model.Int
	MaxY model.Int
}

func (*ModelRect) Rectangle 

func (self *ModelRect) Rectangle() image.Rectangle

func (*ModelRect) SetRectangle 

func (self *ModelRect) SetRectangle(r image.Rectangle)

type VerAlignment 

type VerAlignment int
const (
	VerCenter VerAlignment = iota
	Top
	Bottom
)

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