95 lines
1.9 KiB
C++
95 lines
1.9 KiB
C++
#include "winbase.h"
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static HWND s_HWnd = nullptr;
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static ID2D1Factory * s_pDirect2dFactory = nullptr;
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static ID2D1HwndRenderTarget * s_pRenderTarget = nullptr;
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static ID2D1SolidColorBrush * s_pSolidBrush = nullptr;
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static IWICImagingFactory * s_pIWICFactory = nullptr;
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static IDWriteFactory * s_pDWriteFactory = nullptr;
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static steady_clock::time_point s_tNow;
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HWND &GetHWnd()
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{
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return s_HWnd;
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}
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ID2D1Factory * &GetFactory()
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{
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return s_pDirect2dFactory;
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}
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IWICImagingFactory * &GetImagingFactory()
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{
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if (!s_pIWICFactory)
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{
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CoCreateInstance(
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CLSID_WICImagingFactory,
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NULL,
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CLSCTX_INPROC_SERVER,
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IID_IWICImagingFactory,
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reinterpret_cast<void **>(&s_pIWICFactory)
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);
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}
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return s_pIWICFactory;
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}
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ID2D1HwndRenderTarget * &GetRenderTarget()
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{
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if (!s_pRenderTarget)
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{
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RECT rc;
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GetClientRect(s_HWnd, &rc);
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D2D1_SIZE_U size = D2D1::SizeU(
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rc.right - rc.left,
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rc.bottom - rc.top
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);
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// Create a Direct2D render target.
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HRESULT hr;
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hr = s_pDirect2dFactory->CreateHwndRenderTarget(
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D2D1::RenderTargetProperties(),
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D2D1::HwndRenderTargetProperties(s_HWnd, size),
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&s_pRenderTarget
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);
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ASSERT(SUCCEEDED(hr), "Create Render Target Failed!");
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}
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return s_pRenderTarget;
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}
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IDWriteFactory * &GetDirectWriteFactory()
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{
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if (!s_pDWriteFactory)
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{
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HRESULT hr;
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hr = DWriteCreateFactory(
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DWRITE_FACTORY_TYPE_SHARED,
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__uuidof(IDWriteFactory),
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reinterpret_cast<IUnknown**>(&s_pDWriteFactory)
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);
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ASSERT(SUCCEEDED(hr), "Create DirectWrite Factory Failed!");
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}
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return s_pDWriteFactory;
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}
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ID2D1SolidColorBrush * &GetSolidColorBrush()
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{
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if (!s_pSolidBrush)
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{
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s_pRenderTarget->CreateSolidColorBrush(D2D1::ColorF(D2D1::ColorF::White), &s_pSolidBrush);
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}
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return s_pSolidBrush;
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}
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steady_clock::time_point &GetNow()
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{
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return s_tNow;
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}
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long long GetInterval(steady_clock::time_point tLast)
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{
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return duration_cast<milliseconds>(s_tNow - tLast).count();
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} |