C++ (Cpp) DipsToPixels Examples

Example #1

File: CanvasSwapChain.cpp Project: NathanAUS/Win2D

    IFACEMETHODIMP CanvasSwapChain::ConvertDipsToPixels(float dips, CanvasDpiRounding dpiRounding, int* pixels)
    {
        return ExceptionBoundary(
            [&]
            {
                CheckInPointer(pixels);

                *pixels = DipsToPixels(dips, m_dpi, dpiRounding);
            });
    }

Example #2

File: win8game.cpp Project: Alshurafa/monkey

void BBWin8Game::RotateCoords( float &x,float &y ){

	CoreWindow ^window=CoreWindow::GetForCurrentThread();
	
	int width=DipsToPixels( window->Bounds.Width );
	int height=DipsToPixels( window->Bounds.Height );

	float t;
	switch( _inputRotation ){
	case 1:
		t=x;x=y;y=width-t-1;
		break;
	case 2:
		x=width-x-1;y=height-y-1;
		break;
	case 3:
		t=x;x=height-y-1;y=t;
		break;
	}
}

Example #3

File: win8game.cpp Project: Alshurafa/monkey

void BBWin8Game::CreateD3dDevice(){

	CoreWindow ^window=CoreWindow::GetForCurrentThread();

	int width=DipsToPixels( window->Bounds.Width );
	int height=DipsToPixels( window->Bounds.Height );

#if WINDOWS_8
	switch( DisplayProperties::CurrentOrientation ){
	case DisplayOrientations::Portrait:
	case DisplayOrientations::PortraitFlipped:
		std::swap( width,height );
		break;
	}
#endif

	UINT creationFlags=D3D11_CREATE_DEVICE_BGRA_SUPPORT;
	
#ifdef _DEBUG
	creationFlags|=D3D11_CREATE_DEVICE_DEBUG;
#endif

#if WINDOWS_8	
	D3D_FEATURE_LEVEL featureLevels[]={
		D3D_FEATURE_LEVEL_11_1,
		D3D_FEATURE_LEVEL_11_0,
		D3D_FEATURE_LEVEL_10_1,
		D3D_FEATURE_LEVEL_10_0,
		D3D_FEATURE_LEVEL_9_3,
		D3D_FEATURE_LEVEL_9_2,
		D3D_FEATURE_LEVEL_9_1
	};
#elif WINDOWS_PHONE_8
	D3D_FEATURE_LEVEL featureLevels[]={
		D3D_FEATURE_LEVEL_11_1,
		D3D_FEATURE_LEVEL_11_0,
		D3D_FEATURE_LEVEL_10_1,
		D3D_FEATURE_LEVEL_10_0,
		D3D_FEATURE_LEVEL_9_3
	};
#endif
	
	ID3D11Device *device;
	ID3D11DeviceContext *context;

	DXASS( D3D11CreateDevice( 
		0,
		D3D_DRIVER_TYPE_HARDWARE,
		0,
		creationFlags,
		featureLevels,
		ARRAYSIZE(featureLevels),
		D3D11_SDK_VERSION,
		&device,
		&_featureLevel,
		&context ) );
		
	DXASS( device->QueryInterface( __uuidof( ID3D11Device1 ),(void**)&_d3dDevice ) );
	DXASS( context->QueryInterface( __uuidof( ID3D11DeviceContext1 ),(void**)&_d3dContext ) );
	
	device->Release();
	context->Release();
	
	//create swap chain
	
	if( _swapChain ){

		DXASS( _swapChain->ResizeBuffers( 2,width,height,DXGI_FORMAT_B8G8R8A8_UNORM,0 ) );

	}else{

#if WINDOWS_8
		DXGI_SWAP_CHAIN_DESC1 swapChainDesc={0};
		swapChainDesc.Width=width;
		swapChainDesc.Height=height;
		swapChainDesc.Format=DXGI_FORMAT_B8G8R8A8_UNORM;
		swapChainDesc.Stereo=false;
		swapChainDesc.SampleDesc.Count=1;
		swapChainDesc.SampleDesc.Quality=0;
		swapChainDesc.BufferUsage=DXGI_USAGE_RENDER_TARGET_OUTPUT;
		swapChainDesc.BufferCount=2;
		swapChainDesc.Scaling=DXGI_SCALING_NONE;
		swapChainDesc.SwapEffect=DXGI_SWAP_EFFECT_FLIP_SEQUENTIAL;
		swapChainDesc.Flags=0;
#elif WINDOWS_PHONE_8
		DXGI_SWAP_CHAIN_DESC1 swapChainDesc={0};
		swapChainDesc.Width=width;
		swapChainDesc.Height=height;
		swapChainDesc.Format=DXGI_FORMAT_B8G8R8A8_UNORM;
		swapChainDesc.Stereo=false;
		swapChainDesc.SampleDesc.Count=1;
		swapChainDesc.SampleDesc.Quality=0;
		swapChainDesc.BufferUsage=DXGI_USAGE_RENDER_TARGET_OUTPUT;
		swapChainDesc.BufferCount=1;
		swapChainDesc.Scaling=DXGI_SCALING_STRETCH;
		swapChainDesc.SwapEffect=DXGI_SWAP_EFFECT_DISCARD;
		swapChainDesc.Flags=0;
#endif
		IDXGIDevice1 *dxgiDevice;
		DXASS( _d3dDevice->QueryInterface( __uuidof( IDXGIDevice1 ),(void**)&dxgiDevice ) );
		
		IDXGIAdapter *dxgiAdapter;
		DXASS( dxgiDevice->GetAdapter( &dxgiAdapter ) );

		IDXGIFactory2 *dxgiFactory;
		DXASS( dxgiAdapter->GetParent( __uuidof( IDXGIFactory2 ),(void**)&dxgiFactory ) );
	
		DXASS( dxgiFactory->CreateSwapChainForCoreWindow( _d3dDevice,(IUnknown*)window,&swapChainDesc,0,&_swapChain ) );

		DXASS( dxgiDevice->SetMaximumFrameLatency( 1 ) );
		
		dxgiFactory->Release();
		dxgiAdapter->Release();
		dxgiDevice->Release();
	}
	
	// Create a render target view of the swap chain back buffer.
	//
	ID3D11Texture2D *backBuffer;
	DXASS( _swapChain->GetBuffer( 0,__uuidof( ID3D11Texture2D ),(void**)&backBuffer ) );
	DXASS( _d3dDevice->CreateRenderTargetView( backBuffer,0,&_renderTargetView ) );
	backBuffer->Release();

/*
	// Create a depth stencil view
	//
	D3D11_TEXTURE2D_DESC dsdesc;
	ZEROMEM( dsdesc );
	dsdesc.Width=width;
	dsdesc.Height=height;
	dsdesc.MipLevels=1;
	dsdesc.ArraySize=1;
	dsdesc.Format=DXGI_FORMAT_D24_UNORM_S8_UINT;
	dsdesc.SampleDesc.Count=1;
	dsdesc.SampleDesc.Quality=0;
	dsdesc.Usage=D3D11_USAGE_DEFAULT;
	dsdesc.BindFlags=D3D11_BIND_DEPTH_STENCIL;
	dsdesc.CpuAccessFlags=0;
	dsdesc.MiscFlags=0;
	ID3D11Texture2D *depthStencil;
	DXASS( _d3dDevice->CreateTexture2D( &dsdesc,0,&depthStencil ) );
	DXASS( _d3dDevice->CreateDepthStencilView( depthStencil,0,&_depthStencilView ) );
	depthStencil->Release();
*/

	D3D11_VIEWPORT viewport={ 0,0,width,height,0,1 };
	_d3dContext->RSSetViewports( 1,&viewport );
}