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Fix/Improve: fix #267 and scale 4K desktop screen to 1080P

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yuanyuanxiang
2025-12-24 09:24:15 +01:00
parent 47ac8fb0d2
commit 2ee61a760f
20 changed files with 109 additions and 51 deletions
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31
client/ScreenSpy.cpp
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@@ -16,17 +16,16 @@ CScreenSpy::CScreenSpy(ULONG ulbiBitCount, BYTE algo, BOOL vDesk, int gop, BOOL
{
m_GOP = gop;
m_BitmapInfor_Full = new BITMAPINFO();
memset(m_BitmapInfor_Full, 0, sizeof(BITMAPINFO));
BITMAPINFOHEADER* BitmapInforHeader = &(m_BitmapInfor_Full->bmiHeader);
BitmapInforHeader->biSize = sizeof(BITMAPINFOHEADER);
BitmapInforHeader->biWidth = m_ulFullWidth; //1080
BitmapInforHeader->biHeight = m_ulFullHeight; //1920
BitmapInforHeader->biPlanes = 1;
BitmapInforHeader->biBitCount = ulbiBitCount; //ͨ<><CDA8>Ϊ32
BitmapInforHeader->biCompression = BI_RGB;
BitmapInforHeader->biSizeImage =
((BitmapInforHeader->biWidth * BitmapInforHeader->biBitCount + 31) / 32) * 4 * BitmapInforHeader->biHeight;
m_BitmapInfor_Full = ConstructBitmapInfo(ulbiBitCount, m_ulFullWidth, m_ulFullHeight);
m_BitmapInfor_Send = new BITMAPINFO(*m_BitmapInfor_Full);
if (m_bAlgorithm != ALGORITHM_H264) {
m_BitmapInfor_Send->bmiHeader.biWidth = min(1920, m_BitmapInfor_Send->bmiHeader.biWidth);
m_BitmapInfor_Send->bmiHeader.biHeight = min(1080, m_BitmapInfor_Send->bmiHeader.biHeight);
m_BitmapInfor_Send->bmiHeader.biSizeImage =
((m_BitmapInfor_Send->bmiHeader.biWidth * m_BitmapInfor_Send->bmiHeader.biBitCount + 31) / 32) *
4 * m_BitmapInfor_Send->bmiHeader.biHeight;
}
m_hDeskTopDC = GetDC(NULL);
@@ -42,6 +41,9 @@ CScreenSpy::CScreenSpy(ULONG ulbiBitCount, BYTE algo, BOOL vDesk, int gop, BOOL
::SelectObject(m_hDiffMemDC, m_DiffBitmapHandle);
m_RectBuffer = new BYTE[m_BitmapInfor_Full->bmiHeader.biSizeImage * 2 + 12];
m_BmpZoomBuffer = new BYTE[m_BitmapInfor_Send->bmiHeader.biSizeImage * 2 + 12];
m_BmpZoomFirst = new BYTE[m_BitmapInfor_Send->bmiHeader.biSizeImage * 2 + 12];
m_FirstBuffer = scaleBitmap(m_BmpZoomFirst, m_FirstBuffer);
m_bVirtualPaint = vDesk;
m_data.Create(m_hDeskTopDC, m_iScreenX, m_iScreenY, m_ulFullWidth, m_ulFullHeight);
@@ -87,11 +89,12 @@ LPBYTE CScreenSpy::GetFirstScreenData(ULONG* ulFirstScreenLength)
{
ScanScreen(m_hFullMemDC, m_hDeskTopDC, m_ulFullWidth, m_ulFullHeight);
m_RectBuffer[0] = TOKEN_FIRSTSCREEN;
memcpy(1 + m_RectBuffer, m_BitmapData_Full, m_BitmapInfor_Full->bmiHeader.biSizeImage);
LPBYTE bmp = scaleBitmap(m_BmpZoomBuffer, (LPBYTE)m_BitmapData_Full);
memcpy(1 + m_RectBuffer, bmp, m_BitmapInfor_Send->bmiHeader.biSizeImage);
if (m_bAlgorithm == ALGORITHM_GRAY) {
ToGray(1 + m_RectBuffer, 1 + m_RectBuffer, m_BitmapInfor_Full->bmiHeader.biSizeImage);
ToGray(1 + m_RectBuffer, 1 + m_RectBuffer, m_BitmapInfor_Send->bmiHeader.biSizeImage);
}
*ulFirstScreenLength = m_BitmapInfor_Full->bmiHeader.biSizeImage;
*ulFirstScreenLength = m_BitmapInfor_Send->bmiHeader.biSizeImage;
return m_RectBuffer; //<2F>ڴ<EFBFBD>
}