core/backend/image.go

package backend

import (
	"github.com/mudler/LocalAI/core/config"

	"github.com/mudler/LocalAI/pkg/grpc/proto"
	model "github.com/mudler/LocalAI/pkg/model"
)

func ImageGeneration(height, width, step, seed int, positive_prompt, negative_prompt, src, dst string, loader *model.ModelLoader, modelConfig config.ModelConfig, appConfig *config.ApplicationConfig, refImages []string) (func() error, error) {

	opts := ModelOptions(modelConfig, appConfig)
	inferenceModel, err := loader.Load(
		opts...,
	)
	if err != nil {
		return nil, err
	}

	fn := func() error {
		_, err := inferenceModel.GenerateImage(
			appConfig.Context,
			&proto.GenerateImageRequest{
				Height:           int32(height),
				Width:            int32(width),
				Step:             int32(step),
				Seed:             int32(seed),
				CLIPSkip:         int32(modelConfig.Diffusers.ClipSkip),
				PositivePrompt:   positive_prompt,
				NegativePrompt:   negative_prompt,
				Dst:              dst,
				Src:              src,
				EnableParameters: modelConfig.Diffusers.EnableParameters,
				RefImages:        refImages,
			})
		return err
	}

	return fn, nil
}

// ImageGenerationFunc is a test-friendly indirection to call image generation logic.
// Tests can override this variable to provide a stub implementation.
var ImageGenerationFunc = ImageGeneration