C++ (Cpp) GetScreenScale Examples

Example #1

File: OSVRHMD.cpp Project: Stormwind99/OSVR-Unreal

void FOSVRHMD::AdjustViewRect(EStereoscopicPass StereoPass, int32& X, int32& Y, uint32& SizeX, uint32& SizeY) const
{
    float screenScale = GetScreenScale();

    if (mCustomPresent && mCustomPresent->IsInitialized())
    {
        mCustomPresent->CalculateRenderTargetSize(SizeX, SizeY, screenScale);
        // FCustomPresent is expected to account for screenScale,
        // so we need to back it out here
        SizeX = int(float(SizeX) * (1.0f / screenScale));
        SizeY = int(float(SizeY) * (1.0f / screenScale));
    }
    else
    {
        auto leftEye = HMDDescription.GetDisplaySize(OSVRHMDDescription::LEFT_EYE);
        auto rightEye = HMDDescription.GetDisplaySize(OSVRHMDDescription::RIGHT_EYE);
        SizeX = leftEye.X + rightEye.X;
        SizeY = leftEye.Y;
    }
    SizeX = SizeX / 2;
    if (StereoPass == eSSP_RIGHT_EYE)
    {
        X += SizeX;
    }
}

Example #2

File: MLIFont.cpp Project: GabuEx/my-little-investigations

void MLIFont::Reinit()
{
    EnsureUIThread();

    // clean up first

    if (pTtfFont != NULL)
    {
        TTF_CloseFont(pTtfFont);
    }

    pTtfFont = NULL;
    free(pTtfFontMem);
    pTtfFontMem = NULL;
    cache.clear();
    kernedWidthCache.clear();

#if defined(GAME_EXECUTABLE) || defined(UPDATER)
    if (fontId.length() > 0)
    {
        ttfFilePath = gpLocalizableContent->GetFontInfo(fontId).Filename;
        fontSize = gpLocalizableContent->GetFontInfo(fontId).PointSize;
    }
#endif

    // setup scale
    scale = (GetIsFullscreen() ? GetScreenScale() : 1.0);

    // setup font
#if defined(GAME_EXECUTABLE) || defined(UPDATER)
    pTtfFont = ResourceLoader::GetInstance()->LoadFont(ttfFilePath, fontSize * scale, &pTtfFontMem);
#else
    pTtfFont = TTF_OpenFont(ttfFilePath.c_str(), fontSize * scale + 0.5);
#endif
}

Example #3

File: MathPrintout.cpp Project: BlackEdder/wxmaxima

bool MathPrintout::OnPrintPage(int num)
{
  double screenScaleX, screenScaleY;
  double ppiScale;
  GroupCell* tmp;
  wxDC* dc = GetDC();

  int marginX, marginY;
  GetPageMargins(&marginX, &marginY);


  ppiScale = GetPPIScale();
  GetScreenScale(&screenScaleX, &screenScaleY);

  marginX += SCALE_PX(MC_BASE_INDENT, ppiScale);

  dc->SetUserScale(screenScaleX, screenScaleY);

  // Go to current page
  tmp = (GroupCell *)m_pages[num - 1];

  // Print page
  if (tmp != NULL)
  {
    if (tmp->GetGroupType() == GC_TYPE_PAGEBREAK)
      tmp = (GroupCell *)tmp->m_next;
    if (tmp == NULL)
      return true;

    wxPoint point;
    point.x = marginX;
    point.y = marginY + tmp->GetMaxCenter() + GetHeaderHeight();
    wxConfigBase* config = wxConfig::Get();
    int fontsize = 12;
    int drop = tmp->GetMaxDrop();

    config->Read(wxT("fontsize"), &fontsize);

    PrintHeader(num, dc, ppiScale);
    CellParser parser(*dc, ppiScale);

    parser.SetIndent(marginX);

    while (tmp != NULL && tmp->GetGroupType() != GC_TYPE_PAGEBREAK)
    {
      tmp->Draw(parser, point, fontsize, false);
      if (tmp->m_next != NULL) {
        point.x = marginX;
        point.y += drop + tmp->m_next->GetMaxCenter();
        point.y += SCALE_PX(MC_GROUP_SKIP, ppiScale);
        drop = tmp->m_next->GetMaxDrop();
      }

      tmp = (GroupCell *)tmp->m_next;
      if (tmp == NULL || tmp->BreakPageHere())
        break;
    }
    return true;
  }
  return false;
}

Example #4

File: Sprite.cpp Project: kingnobody8/fs.armada

	void CSprite::Resize(void)
	{
		Type2<float> scale = GetScreenScale();
		SDL_RenderSetScale(this->m_pRen, scale.x, scale.y);
	}

Example #5

File: MathPrintout.cpp Project: minoki/wxmaxima

bool MathPrintout::OnPrintPage(int num)
{
  double screenScaleX, screenScaleY;
  double ppiScale;
  GroupCell* tmp;
  wxDC* dc = GetDC();

  int marginX, marginY;
  GetPageMargins(&marginX, &marginY);

  ppiScale = GetPPIScale();
  GetScreenScale(&screenScaleX, &screenScaleY);

  marginX += SCALE_PX(MC_BASE_INDENT, ppiScale);

  dc->SetUserScale(screenScaleX, screenScaleY);

  // Go to current page
  tmp = (GroupCell *)m_pages[num - 1];

  // Print page
  if (tmp != NULL)
  {
    if (tmp->GetGroupType() == GC_TYPE_PAGEBREAK)
      tmp = (GroupCell *)tmp->m_next;
    if (tmp == NULL)
      return true;

    wxPoint point;
    point.x = marginX;
    point.y = marginY + tmp->GetMaxCenter() + GetHeaderHeight();
    wxConfigBase* config = wxConfig::Get();
    int fontsize = 12;
    int drop = tmp->GetMaxDrop();

    config->Read(wxT("fontsize"), &fontsize);

    PrintHeader(num, dc, ppiScale);
    CellParser parser(*dc, ppiScale);

    parser.SetIndent(marginX);
    // Inform the output routines that we are printing
    parser.SetPrinter(true);
    // Make sure that during print nothing is outside the crop rectangle
    MathCell::ClipToDrawRegion(true);
    
    while (tmp != NULL && tmp->GetGroupType() != GC_TYPE_PAGEBREAK)
    {
      // The following line seems to misteriously fix the "subsequent text
      // cells aren't printed" problem on linux.
      // No Idea why, though.
      dc->SetPen(wxPen(wxT("light grey"), 1, wxPENSTYLE_SOLID));
      tmp->Draw(point, fontsize);
      if (tmp->m_next != NULL) {
        point.x = marginX;
        point.y += drop + tmp->m_next->GetMaxCenter();
        point.y += SCALE_PX(MC_GROUP_SKIP, ppiScale);
        drop = tmp->m_next->GetMaxDrop();
      }

      tmp = (GroupCell *)tmp->m_next;
      if (tmp == NULL || tmp->BreakPageHere())
        break;
    }
    MathCell::ClipToDrawRegion(false);
    return true;
  }
  MathCell::ClipToDrawRegion(false);
  return false;
}