Delphi與DirectX之DelphiX(91): TDIB.DrawMono();

本例效果圖:

代碼文件:

unit Unit1;
interface
uses
　 Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
　 Dialogs, DIB, StdCtrls;
type
　 TForm1 = class(TForm)
　　 DXPaintBox1: TDXPaintBox;
　　 Button1: TButton;
　　 procedure Button1Click(Sender: TObject);
　　 procedure FormCreate(Sender: TObject);
　 end;
var
　 Form1: TForm1;
implementation
{$R *.dfm}
const
　 c1 = clBlack;
　 c2 = clLime;
var
　 w,h: Integer;
procedure TForm1.FormCreate(Sender: TObject);
begin
　 w := DXPaintBox1.ClientWidth;
　 h := DXPaintBox1.ClientHeight;
　 DXPaintBox1.DIB.SetSize(w, h, 24);
　 DXPaintBox1.DIB.Fill(c1);
　 DXPaintBox1.DIB.Canvas.Brush.Style := bsClear;
　 DXPaintBox1.DIB.Canvas.Font.Color := c2;
　 DXPaintBox1.DIB.Canvas.Font.Name := 'Arial Black';
　 DXPaintBox1.DIB.Canvas.Font.Size := 36;
　 DXPaintBox1.DIB.Canvas.Font.Style := [fsBold];
　 DXPaintBox1.DIB.Canvas.TextOut(20, 10, 'DelphiX');
　 DXPaintBox1.Repaint;
end;
procedure TForm1.Button1Click(Sender: TObject);
begin
　 DXPaintBox1.DIB.DrawMono(DXPaintBox1.DIB, 0, 0, w, h, 0, 0, c1, c1, c2);
　 DXPaintBox1.Repaint;
end;
end.

窗體文件:

object Form1: TForm1
　 Left = 0
　 Top = 0
　 Caption = 'Form1'
　 ClientHeight = 134
　 ClientWidth = 273
　 Color = clBtnFace
　 Font.Charset = DEFAULT_CHARSET
　 Font.Color = clWindowText
　 Font.Height = -11
　 Font.Name = 'Tahoma'
　 Font.Style = []
　 OldCreateOrder = False
　 OnCreate = FormCreate
　 PixelsPerInch = 96
　 TextHeight = 13
　 object DXPaintBox1: TDXPaintBox
　　 Left = 8
　　 Top = 8
　　 Width = 257
　　 Height = 89
　　 AutoStretch = False
　　 Center = False
　　 KeepAspect = False
　　 Stretch = False
　　 ViewWidth = 0
　　 ViewHeight = 0
　 end
　 object Button1: TButton
　　 Left = 190
　　 Top = 103
　　 Width = 75
　　 Height = 25
　　 Caption = 'Button1'
　　 TabOrder = 0
　　 OnClick = Button1Click
　 end
end