TChromiumOSR (Off-Screen Rendering) is a component that allows you to use the Chromium web browser engine in a Delphi application without displaying a user interface. You can use it to render web pages off-screen, manipulate the DOM, and execute JavaScript.
To use TChromiumOSR in Delphi, you will need to install the CEF4Delphi package, which is a set of Delphi components that wrap the Chromium Embedded Framework (CEF). You can find the CEF4Delphi package on GitHub at this link
httpsgithub.comsalvadordfCEF4Delphi
To install the package, download the source code and open the project file in Delphi. Then, go to the Component menu and choose Install Packages. Click the Add button, navigate to the CEF4Delphi folder, and select the CEF4Delphi.dpk file. Click the Compile button to compile the package, and then click the Install button to install it.
Once the package is installed, you can use TChromiumOSR in your Delphi application by adding it to the form as a component and setting its properties. Here is an example of how you can use TChromiumOSR to load a web page and execute some JavaScript:
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uses CEF4Delphi.Chromium, CEF4Delphi.Chromium.Event, CEF4Delphi.Chromium.OSR; procedure TForm1.Button1Click(Sender: TObject); begin ChromiumOSR1.LoadURL(‘https://www.example.com’); ChromiumOSR1.EvaluateJavaScript( ‘document.body.style.backgroundColor = ‘‘red’‘;’, ‘aboutblank’, 0); end; |
You can find more information about using CEF4Delphi and TChromiumOSR in the documentation that is included with the package.
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