(Delphi ActiveX) Multimodal Input: File Data

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Note: At the time of writing this example, xAI, Perplexity, and DeepSeek do not have the ability to accept non-image multimodal data or URLs.

Note: This example requires Chilkat v11.2.0 or greater.

Chilkat for Delphi Downloads Chilkat ActiveX DLL for Delphi Chilkat non-ActiveX DLL for Delphi * The examples here use the ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Chilkat_TLB;

...

procedure TForm1.Button1Click(Sender: TObject);
var
success: Integer;
ai: TChilkatAi;
bd: TChilkatBinData;
sbResponse: TChilkatStringBuilder;

begin
success := 0;

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

ai := TChilkatAi.Create(Self);

// The provider can be "openai", "google", or "claude".
// At the time of writing this example, "deepseek", "xai", and "perplexity" do not have the ability to process non-image multimodal inputs.
// Support for additional providers will be added in future versions of Chilkat.
ai.Provider := 'claude';

// Use your provider's API key.
ai.ApiKey := 'MY_API_KEY';

// Choose a model.
ai.Model := 'claude-opus-4-1-20250805';

// Add both text input, and PDF file data.
ai.InputAddText('What is in this file?');

bd := TChilkatBinData.Create(Self);
// We're passing a relative local file path here.. (relative the the app's current working directory)
success := bd.LoadFile('qa_data/pdf/shakespeare.pdf');
if (success = 0) then
  begin
    Memo1.Lines.Add(bd.LastErrorText);
    Exit;
  end;

// Provide the filename in the 1st argument.  The file extension is important to indicate the type of file.
ai.InputAddFileData('shakespeare.pdf',bd.ControlInterface,'');

// Ask the AI for text output.
success := ai.Ask('text');
if (success = 0) then
  begin
    Memo1.Lines.Add(ai.LastErrorText);
    Exit;
  end;

// Get the text response.
sbResponse := TChilkatStringBuilder.Create(Self);
ai.GetOutputTextSb(sbResponse.ControlInterface);
Memo1.Lines.Add(sbResponse.GetAsString());

// -------------------------------------------------------------
// The response is in markdown format.
// Also see Markdown to HTML Conversion Examples.
// -------------------------------------------------------------

// Sample output:

// This PDF file contains a famous quote from William Shakespeare's "Romeo and Juliet". The quote appears twice on the page:
// 
// "These violent delights have violent ends
// And in their triumph die, like fire and powder,
// Which as they kiss consume. The sweetest honey
// Is loathsome in his own deliciousness
// And in the taste confounds the appetite.
// Therefore love moderately; long love doth so;
// Too swift arrives as tardy as too slow."
// 
// The file also includes a portrait image of William Shakespeare. This particular quote is spoken by Friar Lawrence in the play, warning about the dangers of passionate, 
// immoderate love - suggesting that love that burns too intensely tends to burn out quickly, just as fire and gunpowder consume each other when they meet.
end;