Lianja

AI Modify Existing Image with Text Prompt

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Uses an AI text prompt and uploaded image data to modify an existing image and receive the modified output. Lianja

llSuccess = .F.

// This example assumes the Chilkat API to have been previously unlocked.
// See Global Unlock Sample for sample code.

// Load the data from an existing image.
loBdImageData = createobject("CkBinData")
llSuccess = loBdImageData.LoadFile("qa_data/jpg/kid_blue_coat.jpg")
if (llSuccess = .F.) then
    ? loBdImageData.LastErrorText
    release loBdImageData
    return
endif

loAi = createobject("CkAi")

loAi.Provider = "openai"

// Use your provider's API key.
loAi.ApiKey = "MY_API_KEY"

// Choose a model.
loAi.Model = "gpt-5"

loAskParams = createobject("CkJsonObject")
loAskParams.UpdateString("image.output_format","jpeg")
loAi.SetAskParams(loAskParams)

loAi.InputAddImageData(loBdImageData,"")
loAi.InputAddText("Modify the image by replacing the blue coat with a Metallica T-shirt.")

// Give the AI some time (2 minutes).
loAi.IdleTimeoutMs = 120000

// Ask the AI for image output.
llSuccess = loAi.Ask("image")
if (llSuccess = .F.) then
    ? loAi.LastErrorText
    release loBdImageData
    release loAi
    release loAskParams
    return
endif

// Get the image response data.;
llSuccess = loAi.GetOutputBd(loBdImageData)
if (llSuccess = .F.) then
    ? loAi.LastErrorText
    release loBdImageData
    release loAi
    release loAskParams
    return
endif

loBdImageData.WriteFile("c:/aaworkarea/out.jpg")

? "Success."

// -------------------------------
// Sample Input:
// -------------------------------
// 

// -------------------------------
// Sample Output:
// -------------------------------
// 


release loBdImageData
release loAi
release loAskParams