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[WINSRV] Use DIB section for frame buffer bitmap

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This commit is contained in:
Timo Kreuzer 2020-03-14 18:45:51 +01:00
parent 01fd69dfe2
commit 4860aa645c
1 changed files with 16 additions and 2 deletions
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18
win32ss/user/winsrv/consrv/frontends/gui/conwnd.c
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@ -250,7 +250,7 @@ CreateSysMenu(HWND hWnd)
if (ptrTab)
{
*ptrTab = L'\0';
mii.cch = wcslen(szMenuStringBack);
mii.cch = (UINT)wcslen(szMenuStringBack);
SetMenuItemInfoW(hMenu, SC_CLOSE, FALSE, &mii);
}
@ -2164,6 +2164,20 @@ GuiConsoleHandleScrollbarMenu(VOID)
}
*/
HBITMAP
CreateFrameBufferBitmap(HDC hDC, int width, int height)
{
BITMAPINFO bmi;
ZeroMemory(&bmi, sizeof(BITMAPINFO));
bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
bmi.bmiHeader.biWidth = width;
bmi.bmiHeader.biHeight = height;
bmi.bmiHeader.biPlanes = 1;
bmi.bmiHeader.biBitCount = GetDeviceCaps(hDC, BITSPIXEL);
bmi.bmiHeader.biCompression = BI_RGB;
return CreateDIBSection(NULL, &bmi, DIB_RGB_COLORS, NULL, NULL, 0);
}
static LRESULT CALLBACK
ConWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
{
@ -2505,7 +2519,7 @@ ConWndProc(HWND hWnd, UINT msg, WPARAM wParam, LPARAM lParam)
/* Recreate the framebuffer */
hDC = GetDC(GuiData->hWindow);
hnew = CreateCompatibleBitmap(hDC, Width, Height);
hnew = CreateFrameBufferBitmap(hDC, Width, Height);
ReleaseDC(GuiData->hWindow, hDC);
hold = SelectObject(GuiData->hMemDC, hnew);
if (GuiData->hBitmap)