Method DrawColor

DuiLib/Core/UIRender.cpp:1050–1080

}

void CRenderEngine::DrawColor(HDC hDC, const RECT& rc, DWORD color)
{
    if( color <= 0x00FFFFFF ) return;
    if( color >= 0xFF000000 )
    {
        ::SetBkColor(hDC, RGB(GetBValue(color), GetGValue(color), GetRValue(color)));
        ::ExtTextOut(hDC, 0, 0, ETO_OPAQUE, &rc, NULL, 0, NULL);
    }
    else
    {
        // Create a new 32bpp bitmap with room for an alpha channel
        BITMAPINFO bmi = { 0 };
        bmi.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
        bmi.bmiHeader.biWidth = 1;
        bmi.bmiHeader.biHeight = 1;
        bmi.bmiHeader.biPlanes = 1;
        bmi.bmiHeader.biBitCount = 32;
        bmi.bmiHeader.biCompression = BI_RGB;
        bmi.bmiHeader.biSizeImage = 1 * 1 * sizeof(DWORD);
        LPDWORD pDest = NULL;
        HBITMAP hBitmap = ::CreateDIBSection(hDC, &bmi, DIB_RGB_COLORS, (LPVOID*) &pDest, NULL, 0);
        if( !hBitmap ) return;

        *pDest = color;

        RECT rcBmpPart = {0, 0, 1, 1};
        RECT rcCorners = {0};
        DrawImage(hDC, hBitmap, rc, rc, rcBmpPart, rcCorners, true, 255);
        ::DeleteObject(hBitmap);
    }
}

void CRenderEngine::DrawGradient(HDC hDC, const RECT& rc, DWORD dwFirst, DWORD dwSecond, bool bVertical, int nSteps)
{