Function GetDebuggerMemDC

source/Debugger/Debugger_Display.cpp:507–541

//===========================================================================

HDC GetDebuggerMemDC(void)
{
	if (!g_hDebuggerMemDC)
	{
		Win32Frame& win32Frame = Win32Frame::GetWin32Frame();

		HDC hFrameDC = win32Frame.FrameGetDC();
		g_hDebuggerMemDC = CreateCompatibleDC(hFrameDC);

		// CREATE A BITMAPINFO STRUCTURE FOR THE FRAME BUFFER
		g_pDebuggerMemFramebufferinfo = (LPBITMAPINFO) new BYTE[sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD)];

		memset(g_pDebuggerMemFramebufferinfo, 0, sizeof(BITMAPINFOHEADER) + 256 * sizeof(RGBQUAD));
		g_pDebuggerMemFramebufferinfo->bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
		g_pDebuggerMemFramebufferinfo->bmiHeader.biWidth = 560;
		g_pDebuggerMemFramebufferinfo->bmiHeader.biHeight = 384;
		g_pDebuggerMemFramebufferinfo->bmiHeader.biPlanes = 1;
		g_pDebuggerMemFramebufferinfo->bmiHeader.biBitCount = 32;
		g_pDebuggerMemFramebufferinfo->bmiHeader.biCompression = BI_RGB;
		g_pDebuggerMemFramebufferinfo->bmiHeader.biClrUsed = 0;


		// CREATE THE FRAME BUFFER DIB SECTION
		g_hDebuggerMemBM = CreateDIBSection(
			hFrameDC,
			g_pDebuggerMemFramebufferinfo,
			DIB_RGB_COLORS,
			(LPVOID*)&g_pDebuggerMemFramebits, 0, 0
		);
		SelectObject(g_hDebuggerMemDC, g_hDebuggerMemBM);
	}

	_ASSERT(g_hDebuggerMemDC);	// TC: Could this be NULL?
	return g_hDebuggerMemDC;
}

void ReleaseDebuggerMemDC(void)
{