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// »ñÈ¡CanvasÓÐÐ§ÇøÓòÄÚµÄͼÏñÊý¾Ý¡£±ØÐëÓÃFreeImageDataÊÍ·ÅÊý¾Ý½á¹¹
// Ó¦µ÷ÓÃImageEmpty¼ì²é·µ»ØÊý¾Ý½á¹¹ÊÇ·ñ¿Õ
function GetImageData(Canvas: TCanvas): TImageData; overload;
// »ñÈ¡´°¿ÚÓÐÐ§ÇøÓòÄÚµÄͼÏñÊý¾Ý¡£±ØÐëÓÃFreeImageDataÊÍ·ÅÊý¾Ý½á¹¹
// Ó¦µ÷ÓÃImageEmpty¼ì²é·µ»ØÊý¾Ý½á¹¹ÊÇ·ñ¿Õ
function GetImageData(Handle: HWnd): TImageData; overload;
// »ñÈ¡TGpGraphics¶ÔÏóÓÐÐ§ÇøÓòÄÚµÄͼÏñÊý¾Ý¡£±ØÐëÓÃFreeImageDataÊÍ·ÅÊý¾Ý½á¹¹
// Ó¦µ÷ÓÃImageEmpty¼ì²é·µ»ØÊý¾Ý½á¹¹ÊÇ·ñ¿Õ
function GetImageData(g: TGpGraphics): TImageData; overload;
ʵÏÖ´úÂ룺
procedure FillAlpha(Data: TImageData);
asm
mov edx, [eax].TImageData.Scan0
mov ecx, [eax].TImageData.Width
imul ecx, [eax].TImageData.Height
mov eax, 0ff000000h
@PixelLoop:
or [edx], eax
add edx, 4
loop @PixelLoop
end;
function GetHBitmapData(DC: HDC; Bitmap: HBitmap; PixelBits: Integer): TImageData;
var
bmi: TBitmapInfo;
begin
Result := GetImageData(1, 1, 0, nil, 0);
bmi.bmiHeader := GetBitmapInfoHeader(Result);
if GetDIBits(DC, Bitmap, 0, 1, nil, bmi, DIB_RGB_COLORS) = 0 then
raise EImageDataError.Create(EIDErrorParam);
Result := GetImageData(bmi.bmiHeader.biWidth, bmi.bmiHeader.biHeight, PixelBits);
Result.InvertLine := True;
bmi.bmiHeader := GetBitmapInfoHeader(Result);
if GetDIBits(DC, Bitmap, 0, Result.Height, Result.Scan0, bmi, DIB_RGB_COLORS) = 0 then
begin
FreeImageData(Result);
raise EImageDataError.Create(EIDErrorNotSupport);
end;
end;
function GetImageDatafromDC(DC: HDC): TImageData;
var
r: TRect;
saveBitmap, Bitmap: HBITMAP;
memDC: HDC;
begin
FillChar(Result, Sizeof(TImageData), 0);
GetClipBox(DC, r);
if IsRectEmpty(r) then Exit;
Dec(r.Right, r.Left);
Dec(r.Botto


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Delphi ActiveX FormµÄʹÓÃʵÀý

 Delphi ActiveX FormµÄʹÓÃʵÀý
By knityster
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unit Unit1;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, OleCtrls, SHDocVw, ExtCtrls,MSHTML;
type
TForm1 = class(TForm)
    Panel1: TPanel;
    Panel2: TPanel;
    Edit1: TEdit;
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 1.[Error] DCansactionIformationManagement.pas(171): String literals may have at most 255 elements
[Fatal Error] DCMain.pas(32): Could not compile used unit 'DCansactionIformationManagement.pas'
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