程序師世界是廣大編程愛好者互助、分享、學習的平台,程序師世界有你更精彩!
首頁
編程語言
C語言|JAVA編程
Python編程
網頁編程
ASP編程|PHP編程
JSP編程
數據庫知識
MYSQL數據庫|SqlServer數據庫
Oracle數據庫|DB2數據庫
 程式師世界 >> 編程語言 >> 更多編程語言 >> Delphi >> Delphi GDI+ 學習記錄(27): Bitmap(2)

Delphi GDI+ 學習記錄(27): Bitmap(2)

編輯:Delphi

//橫向翻轉

var
 g: TGPGraphics;
 bit1,bit2: TGPBitmap;
 row,column,width,height: Integer;
 color: TGPColor;
begin
 g := TGPGraphics.Create(Canvas.Handle);
 bit1 := TGPBitmap.Create('c:\temp\x.jpg');
 width := bit1.GetWidth;
 height := bit1.GetHeight;
 bit2 := TGPBitmap.Create(width, height);
 for row := 0 to height - 1 do
 begin
  for column := 0 to width - 1 do
  begin
   bit1.GetPixel(column, row, color);
   bit2.SetPixel(width-column, row, color); {width-column}
  end;
 end;
 g.DrawImage(bit1, 0, 0, width, height);
 g.DrawImage(bit2, width, 0, width, height);
 bit1.Free;
 bit2.Free;
 g.Free;
end;

//縱向翻轉

var
 g: TGPGraphics;
 bit1,bit2: TGPBitmap;
 row,column,width,height: Integer;
 color: TGPColor;
begin
 g := TGPGraphics.Create(Canvas.Handle);
 bit1 := TGPBitmap.Create('c:\temp\x.jpg');
 width := bit1.GetWidth;
 height := bit1.GetHeight;
 bit2 := TGPBitmap.Create(width, height);
 for row := 0 to height - 1 do
 begin
  for column := 0 to width - 1 do
  begin
   bit1.GetPixel(column, row, color);
   bit2.SetPixel(column, height-row, color); {height-row}
  end;
 end;
 g.DrawImage(bit1, 0, 0, width, height);
 g.DrawImage(bit2, width, 0, width, height);
 bit1.Free;
 bit2.Free;
 g.Free;
end;

  1. 上一頁:
  2. 下一頁:
Copyright © 程式師世界 All Rights Reserved