Class TFMXChromium

Description
Hierarchy
Fields
Methods
Properties

Unit

Declaration

type TFMXChromium = class(TChromiumCore, IChromiumEvents)

Description

FMX version of TChromiumCore that puts together all browser procedures, functions, properties and events in one place. It has all you need to create, modify and destroy a web browser.

Hierarchy

Overview

Methods

Protected function GetParentFormHandle: TCefWindowHandle; override;
Protected function GetParentForm: TCustomForm;
Protected function GetScreenScale: Single;
Protected procedure InitializeDevToolsWindowInfo; virtual;
Public procedure ShowDevTools(inspectElementAt: TPoint);
Public procedure CloseDevTools;
Public procedure MoveFormTo(const x, y: Integer);
Public procedure MoveFormBy(const x, y: Integer);
Public procedure ResizeFormWidthTo(const x : Integer);
Public procedure ResizeFormHeightTo(const y : Integer);
Public procedure SetFormLeftTo(const x : Integer);
Public procedure SetFormTopTo(const y : Integer);
Public function CreateBrowser(const aWindowName : ustring = ''; const aContext : ICefRequestContext = nil; const aExtraInfo : ICefDictionaryValue = nil) : boolean; overload; virtual;
Public function SaveAsBitmapStream(const aStream : TStream; const aRect : System.Types.TRect) : boolean;
Public function TakeSnapshot(var aBitmap : TBitmap; const aRect : System.Types.TRect) : boolean;

Properties

Public property ScreenScale : single read GetScreenScale;

Description

Methods

Protected function GetParentFormHandle: TCefWindowHandle; override;

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Protected function GetParentForm: TCustomForm;

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Protected function GetScreenScale: Single;

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Protected procedure InitializeDevToolsWindowInfo; virtual;

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Public procedure ShowDevTools(inspectElementAt: TPoint);

Open developer tools (DevTools) in its own browser. If inspectElementAt has a valid point with coordinates different than low(integer) then the element at the specified location will be inspected. If the DevTools browser is already open then it will be focused.

Public procedure CloseDevTools;

close the developer tools.

Public procedure MoveFormTo(const x, y: Integer);

Move the parent form to the x and y coordinates.

Public procedure MoveFormBy(const x, y: Integer);

Move the parent form adding x and y to the coordinates.

Public procedure ResizeFormWidthTo(const x : Integer);

Add x to the parent form width.

Public procedure ResizeFormHeightTo(const y : Integer);

Add y to the parent form height.

Public procedure SetFormLeftTo(const x : Integer);

Set the parent form left property to x.

Public procedure SetFormTopTo(const y : Integer);

Set the parent form top property to y.

Public function CreateBrowser(const aWindowName : ustring = ''; const aContext : ICefRequestContext = nil; const aExtraInfo : ICefDictionaryValue = nil) : boolean; overload; virtual;

Used to create the browser after the global request context has been initialized. You need to set all properties and events before calling this function because it will only create the internal handlers needed for those events and the property values will be used in the browser initialization. The browser will be fully initialized when the TChromiumCore.OnAfterCreated event is triggered.

Public function SaveAsBitmapStream(const aStream : TStream; const aRect : System.Types.TRect) : boolean;

Copy the DC to a bitmap stream. Only works on Windows with browsers without GPU acceleration. It's recommended to use the "Page.captureScreenshot" DevTools method instead.

Public function TakeSnapshot(var aBitmap : TBitmap; const aRect : System.Types.TRect) : boolean;

Takes a snapshot into a TBitmap using the SaveAsBitmapStream function.

Properties

Public property ScreenScale : single read GetScreenScale;

Returns the screen scale of the monitor where the parent form is located.


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