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远程桌面优化

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This commit is contained in:
yuanyuanxiang
2019-01-10 19:35:03 +08:00
parent c681cf0132
commit 05843ac144
32 changed files with 2394 additions and 923 deletions
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47
client/ScreenSpy.cpp
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@@ -39,7 +39,11 @@ CScreenSpy::CScreenSpy(ULONG ulbiBitCount)
BOOL Isgetdisplay = EnumDisplaySettings(NULL, ENUM_CURRENT_SETTINGS, &devmode);
m_ulFullWidth = devmode.dmPelsWidth;
m_ulFullHeight = devmode.dmPelsHeight;
printf("===> <20><><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><D6B1>ʴ<EFBFBD>СΪ<D0A1><CEAA>%d x %d\n", m_ulFullWidth, m_ulFullHeight);
int w = ::GetSystemMetrics(SM_CXSCREEN), h = ::GetSystemMetrics(SM_CYSCREEN);
m_bZoomed = (w != m_ulFullWidth) || (h != m_ulFullHeight);
m_wZoom = double(m_ulFullWidth) / w, m_hZoom = double(m_ulFullHeight) / h;
printf("=> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ű<EFBFBD><C5B1><EFBFBD>: %.2f, %.2f\t<EFBFBD>ֱ<EFBFBD><EFBFBD>ʣ<EFBFBD>%d x %d\n", m_wZoom, m_hZoom, m_ulFullWidth, m_ulFullHeight);
m_wZoom = 1.0/m_wZoom, m_hZoom = 1.0/m_hZoom;
m_BitmapInfor_Full = ConstructBI(m_ulbiBitCount,m_ulFullWidth, m_ulFullHeight);
m_BitmapData_Full = NULL;
m_BitmapHandle = ::CreateDIBSection(m_hFullDC, m_BitmapInfor_Full,
@@ -156,7 +160,7 @@ ULONG CScreenSpy::GetFirstScreenLength()
LPVOID CScreenSpy::GetNextScreenData(ULONG* ulNextSendLength)
{
if (ulNextSendLength == NULL || m_RectBuffer == NULL)
if (m_RectBuffer == NULL)
{
return NULL;
}
@@ -186,7 +190,8 @@ LPVOID CScreenSpy::GetNextScreenData(ULONG* ulNextSendLength)
//<2F><><EFBFBD><EFBFBD>Bit<69><74><EFBFBD>бȽ<D0B1><C8BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB><EFBFBD>޸<EFBFBD>m_lpvFullBits<74>еķ<D0B5><C4B7><EFBFBD>
*ulNextSendLength = m_RectBufferOffset +
CompareBitmap((LPBYTE)m_DiffBitmapData_Full, (LPBYTE)m_BitmapData_Full,
m_RectBuffer + m_RectBufferOffset, m_BitmapInfor_Full->bmiHeader.biSizeImage);
m_RectBuffer + m_RectBufferOffset, m_BitmapInfor_Full->bmiHeader.biSizeImage);
return m_RectBuffer;
}
@@ -203,6 +208,7 @@ VOID CScreenSpy::WriteRectBuffer(LPBYTE szBuffer,ULONG ulLength)
VOID CScreenSpy::ScanScreen(HDC hdcDest, HDC hdcSour, ULONG ulWidth, ULONG ulHeight)
{
AUTO_TICK(1);
#ifdef COPY_ALL
BitBlt(hdcDest, 0, 0, ulWidth, ulHeight, hdcSour, 0, 0, m_dwBitBltRop);
#else
@@ -223,48 +229,36 @@ VOID CScreenSpy::ScanScreen(HDC hdcDest, HDC hdcSour, ULONG ulWidth, ULONG ulHei
#endif
}
ULONG CScreenSpy::CompareBitmap(LPBYTE CompareSourData, LPBYTE CompareDestData,
LPBYTE szBuffer, DWORD ulCompareLength)
{
AUTO_TICK(1);
// Windows<77>涨һ<E6B6A8><D2BB>ɨ<EFBFBD><C9A8><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ռ<EFBFBD><D5BC><EFBFBD>ֽ<EFBFBD><D6BD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>4<EFBFBD>ı<EFBFBD><C4B1><EFBFBD>, <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>DWORD<52>Ƚ<EFBFBD>
LPDWORD p1, p2;
p1 = (LPDWORD)CompareDestData;
p2 = (LPDWORD)CompareSourData;
LPDWORD p1 = (LPDWORD)CompareDestData, p2 = (LPDWORD)CompareSourData;
// ƫ<>Ƶ<EFBFBD>ƫ<EFBFBD>ƣ<EFBFBD><C6A3><EFBFBD>ͬ<EFBFBD><CDAC><EFBFBD>ȵ<EFBFBD>ƫ<EFBFBD><C6AB>
ULONG ulszBufferOffset = 0, ulv1 = 0, ulv2 = 0;
ULONG ulCount = 0; // <20><><EFBFBD>ݼ<EFBFBD><DDBC><EFBFBD><EFBFBD><EFBFBD>
// p1++ʵ<><CAB5><EFBFBD><EFBFBD><EFBFBD>ǵ<EFBFBD><C7B5><EFBFBD><EFBFBD><EFBFBD>һ<EFBFBD><D2BB>DWORD
for (int i = 0; i < ulCompareLength; i += 4, p1++, p2++)
ULONG ulszBufferOffset = 0, ulv1 = 0, ulv2 = 0, ulCount = 0;
for (int i = 0; i < ulCompareLength; i += 4, ++p1, ++p2)
{
if (*p1 == *p2)
if (*p1 == *p2)
continue;
// һ<><D2BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݿ鿪ʼ
// д<><D0B4>ƫ<EFBFBD>Ƶ<EFBFBD>ַ
*(LPDWORD)(szBuffer + ulszBufferOffset) = i;
*(LPDWORD)(szBuffer + ulszBufferOffset) = i;
// <20><>¼<EFBFBD><C2BC><EFBFBD>ݴ<EFBFBD>С<EFBFBD>Ĵ<EFBFBD><C4B4><EFBFBD>λ<EFBFBD><CEBB>
ulv1 = ulszBufferOffset + sizeof(int); //4
ulv2 = ulv1 + sizeof(int); //8
ulv1 = ulszBufferOffset + sizeof(int);
ulv2 = ulv1 + sizeof(int);
ulCount = 0; // <20><><EFBFBD>ݼ<EFBFBD><DDBC><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
// <20><><EFBFBD><EFBFBD>Dest<73>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD>
*p1 = *p2;
*(LPDWORD)(szBuffer + ulv2 + ulCount) = *p2;
/*
[1][2][3][3]
[1][3][2][1]
[0000][ ][1321]
*/
ulCount += 4;
i += 4, p1++, p2++;
for (int j = i; j < ulCompareLength; j += 4, i += 4, p1++, p2++)
for (int j = i; j < ulCompareLength; j += 4, i += 4, ++p1, ++p2)
{
if (*p1 == *p2)
break;
// <20><><EFBFBD><EFBFBD>Dest<73>е<EFBFBD><D0B5><EFBFBD><EFBFBD><EFBFBD>
*p1 = *p2;
*(LPDWORD)(szBuffer + ulv2 + ulCount) = *p2;
@@ -272,9 +266,8 @@ ULONG CScreenSpy::CompareBitmap(LPBYTE CompareSourData, LPBYTE CompareDestData,
}
// д<><D0B4><EFBFBD><EFBFBD><EFBFBD>ݳ<EFBFBD><DDB3><EFBFBD>
*(LPDWORD)(szBuffer + ulv1) = ulCount;
ulszBufferOffset = ulv2 + ulCount;
ulszBufferOffset = ulv2 + ulCount;
}
// nOffsetOffset <20><><EFBFBD><EFBFBD>д<EFBFBD><D0B4><EFBFBD><EFBFBD><EFBFBD>ܴ<EFBFBD>С
return ulszBufferOffset;
}