David Christofas
34dcaf9ffe
If the file is not cached we have to get it from somewhere. For that I implemented a webdav file source which gets the file from reva.
34 lines
700 B
Go
34 lines
700 B
Go
package imgsource
|
|
|
|
import "image"
|
|
|
|
// Source defines the interface for image sources
|
|
type Source interface {
|
|
Get(path string, ctx SourceContext) (image.Image, error)
|
|
}
|
|
|
|
// NewContext creates a new SourceContext instance
|
|
func NewContext() SourceContext {
|
|
return SourceContext{
|
|
m: make(map[string]interface{}),
|
|
}
|
|
}
|
|
|
|
// SourceContext is used to pass source specific parameters
|
|
type SourceContext struct {
|
|
m map[string]interface{}
|
|
}
|
|
|
|
// GetString tries to cast the value to a string
|
|
func (s SourceContext) GetString(key string) string {
|
|
if s, ok := s.m[key].(string); ok {
|
|
return s
|
|
}
|
|
return ""
|
|
}
|
|
|
|
// Set sets a value
|
|
func (s SourceContext) Set(key string, val interface{}) {
|
|
s.m[key] = val
|
|
}
|