Tcl

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. Tcl

load ./chilkat.dll

set success 0

# 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.
set bdImageData [new_CkBinData]

set success [CkBinData_LoadFile $bdImageData "qa_data/jpg/kid_blue_coat.jpg"]
if {$success == 0} then {
    puts [CkBinData_lastErrorText $bdImageData]
    delete_CkBinData $bdImageData
    exit
}

set ai [new_CkAi]

CkAi_put_Provider $ai "openai"

# Use your provider's API key.
CkAi_put_ApiKey $ai "MY_API_KEY"

# Choose a model.
CkAi_put_Model $ai "gpt-5"

set askParams [new_CkJsonObject]

CkJsonObject_UpdateString $askParams "image.output_format" "jpeg"
CkAi_SetAskParams $ai $askParams

CkAi_InputAddImageData $ai $bdImageData ""
CkAi_InputAddText $ai "Modify the image by replacing the blue coat with a Metallica T-shirt."

# Give the AI some time (2 minutes).
CkAi_put_IdleTimeoutMs $ai 120000

# Ask the AI for image output.
set success [CkAi_Ask $ai "image"]
if {$success == 0} then {
    puts [CkAi_lastErrorText $ai]
    delete_CkBinData $bdImageData
    delete_CkAi $ai
    delete_CkJsonObject $askParams
    exit
}

# Get the image response data.;
set success [CkAi_GetOutputBd $ai $bdImageData]
if {$success == 0} then {
    puts [CkAi_lastErrorText $ai]
    delete_CkBinData $bdImageData
    delete_CkAi $ai
    delete_CkJsonObject $askParams
    exit
}

CkBinData_WriteFile $bdImageData "c:/aaworkarea/out.jpg"

puts "Success."

# -------------------------------
# Sample Input:
# -------------------------------
# 

# -------------------------------
# Sample Output:
# -------------------------------
# 

delete_CkBinData $bdImageData
delete_CkAi $ai
delete_CkJsonObject $askParams