unit Unit1;

 

interface

 

uses

  System.SysUtils, System.Types, System.UITypes, System.Classes, System.Variants,

  FMX.Types, FMX.Controls, FMX.Forms, FMX.Graphics, FMX.Dialogs, FMX.Objects,

  FMX.Controls.Presentation, FMX.StdCtrls;

 

type

  TForm1 = class(TForm)

    Button1: TButton;

    Image1: TImage;

    procedure Button1Click(Sender: TObject);

  private

    { Private declarations }

  public

    { Public declarations }

  end;

 

var

  Form1: TForm1;

 

implementation

 

{$R *.fmx}

 

procedure TForm1.Button1Click(Sender: TObject);

var

   Rect: TRectF;

begin

   Rect.Create(0, 0, 500, 300);

   Image1.Bitmap.Canvas.BeginScene;

   Image1.Bitmap.Canvas.Font.Family:='宋体';

   Image1.Bitmap.Canvas.Font.Size:=80;

   Image1.Bitmap.Canvas.Fill.Color:=TAlphaColors.Red;

   Image1.Bitmap.Canvas.FillText(Rect, '我是LQEN', False, 1, [], TTextAlign.Center, TTextAlign.Center );

   Image1.Bitmap.Canvas.EndScene;

end;

 

 

end.

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原文链接：https://blog.csdn.net/lqena/article/details/78732313