mirror of
https://github.com/imgproxy/imgproxy.git
synced 2024-11-24 08:12:38 +02:00
64 lines
1.2 KiB
Go
64 lines
1.2 KiB
Go
package processing
|
|
|
|
import (
|
|
"context"
|
|
|
|
"github.com/imgproxy/imgproxy/v3/imagedata"
|
|
"github.com/imgproxy/imgproxy/v3/imagetype"
|
|
"github.com/imgproxy/imgproxy/v3/options"
|
|
"github.com/imgproxy/imgproxy/v3/router"
|
|
"github.com/imgproxy/imgproxy/v3/vips"
|
|
)
|
|
|
|
type pipelineContext struct {
|
|
ctx context.Context
|
|
|
|
imgtype imagetype.Type
|
|
|
|
trimmed bool
|
|
|
|
srcWidth int
|
|
srcHeight int
|
|
angle int
|
|
flip bool
|
|
|
|
cropWidth int
|
|
cropHeight int
|
|
cropGravity options.GravityOptions
|
|
|
|
wscale float64
|
|
hscale float64
|
|
|
|
iccImported bool
|
|
}
|
|
|
|
type pipelineStep func(pctx *pipelineContext, img *vips.Image, po *options.ProcessingOptions, imgdata *imagedata.ImageData) error
|
|
type pipeline []pipelineStep
|
|
|
|
func (p pipeline) Run(ctx context.Context, img *vips.Image, po *options.ProcessingOptions, imgdata *imagedata.ImageData) error {
|
|
pctx := pipelineContext{
|
|
ctx: ctx,
|
|
|
|
wscale: 1.0,
|
|
hscale: 1.0,
|
|
|
|
cropGravity: po.Crop.Gravity,
|
|
}
|
|
|
|
if pctx.cropGravity.Type == options.GravityUnknown {
|
|
pctx.cropGravity = po.Gravity
|
|
}
|
|
|
|
for _, step := range p {
|
|
if err := step(&pctx, img, po, imgdata); err != nil {
|
|
return err
|
|
}
|
|
|
|
if err := router.CheckTimeout(ctx); err != nil {
|
|
return err
|
|
}
|
|
}
|
|
|
|
return nil
|
|
}
|