(Visual FoxPro) OpenAI (ChatGTP) Create Image

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Show how to send a POST to create an image. Gets the JSON response with URLs and then downloads images to files.

For more information, see https://platform.openai.com/docs/api-reference/images/create

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

LOCAL loHttp
LOCAL lnSuccess
LOCAL loJson
LOCAL loResp
LOCAL loSbResponseBody
LOCAL loJResp
LOCAL lnRespStatusCode
LOCAL lcUrl
LOCAL loSbLocalFilePath
LOCAL lnCreated
LOCAL i
LOCAL lnCount_i

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

* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.Http')
loHttp = CreateObject('Chilkat.Http')

* Implements the following CURL command:

* curl https://api.openai.com/v1/images/generations \
*   -H "Content-Type: application/json" \
*   -H "Authorization: Bearer $OPENAI_API_KEY" \
*   -d '{
*     "prompt": "A cute baby sea otter",
*     "n": 2,
*     "size": "1024x1024"
*   }'

* Use the following online tool to generate HTTP code from a CURL command
* Convert a cURL Command to HTTP Source Code

* Use this online tool to generate code from sample JSON:
* Generate Code to Create JSON

* The following JSON is sent in the request body.

* {
*   "prompt": "A cute baby sea otter",
*   "n": 2,
*   "size": "1024x1024"
* }

* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.JsonObject')
loJson = CreateObject('Chilkat.JsonObject')
loJson.UpdateString("prompt","A cute baby sea otter")
loJson.UpdateInt("n",2)
loJson.UpdateString("size","1024x1024")

* Adds the "Authorization: Bearer $OPENAI_API_KEY" header.
* This is NOT a real key.  Change the "sk-vi...." to your own key.
loHttp.AuthToken = "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"
loHttp.SetRequestHeader("Content-Type","application/json")

loResp = loHttp.PostJson3("https://api.openai.com/v1/images/generations","application/json",loJson)
IF (loHttp.LastMethodSuccess = 0) THEN
    ? loHttp.LastErrorText
    RELEASE loHttp
    RELEASE loJson
    CANCEL
ENDIF

* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.StringBuilder')
loSbResponseBody = CreateObject('Chilkat.StringBuilder')
loResp.GetBodySb(loSbResponseBody)

* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.JsonObject')
loJResp = CreateObject('Chilkat.JsonObject')
loJResp.LoadSb(loSbResponseBody)
loJResp.EmitCompact = 0

? "Response Body:"
? loJResp.Emit()

lnRespStatusCode = loResp.StatusCode
? "Response Status Code = " + STR(lnRespStatusCode)
IF (lnRespStatusCode >= 400) THEN
    ? "Response Header:"
    ? loResp.Header
    ? "Failed."
    RELEASE loResp
    RELEASE loHttp
    RELEASE loJson
    RELEASE loSbResponseBody
    RELEASE loJResp
    CANCEL
ENDIF

RELEASE loResp

* Sample JSON response:
* (Sample code for parsing the JSON response is shown below)

* {
*   "created": 1589478378,
*   "data": [
*     {
*       "url": "https://..."
*     },
*     {
*       "url": "https://..."
*     }
*   ]
* }

* Sample code for parsing the JSON response...
* Use the following online tool to generate parsing code from sample JSON:
* Generate Parsing Code from JSON

* For versions of Chilkat < 10.0.0, use CreateObject('Chilkat_9_5_0.StringBuilder')
loSbLocalFilePath = CreateObject('Chilkat.StringBuilder')

* Download each image..
loHttp.ClearHeaders()
loHttp.AuthToken = ""

lnCreated = loJResp.IntOf("created")
i = 0
lnCount_i = loJResp.SizeOfArray("data")
DO WHILE i < lnCount_i
    loJResp.I = i
    lcUrl = loJResp.StringOf("data[i].url")

    loSbLocalFilePath.SetString("c:/aaworkarea/image_")
    loSbLocalFilePath.AppendInt(i + 1)
    loSbLocalFilePath.Append(".png")

    lnSuccess = loHttp.Download(lcUrl,loSbLocalFilePath.GetAsString())
    IF (lnSuccess = 0) THEN
        ? loHttp.LastErrorText
        RELEASE loHttp
        RELEASE loJson
        RELEASE loSbResponseBody
        RELEASE loJResp
        RELEASE loSbLocalFilePath
        CANCEL
    ENDIF

    i = i + 1
ENDDO

RELEASE loHttp
RELEASE loJson
RELEASE loSbResponseBody
RELEASE loJResp
RELEASE loSbLocalFilePath