909 lines
20 KiB
C++
909 lines
20 KiB
C++
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// Copyright (c) 2016-2018 Kiwano - Nomango
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// _Out_ OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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#include "FontCollectionLoader.h"
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namespace kiwano
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{
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////////////////////////////////////////////////////////////////////////////////////////
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//
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// FontCollectionLoader
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//
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////////////////////////////////////////////////////////////////////////////////////////
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class FontCollectionLoader
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: public IFontCollectionLoader
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{
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public:
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FontCollectionLoader()
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: refCount_(0)
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{
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}
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// IUnknown methods
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virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, void** ppvObject);
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virtual ULONG STDMETHODCALLTYPE AddRef();
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virtual ULONG STDMETHODCALLTYPE Release();
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// IDWriteFontCollectionLoader methods
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virtual HRESULT STDMETHODCALLTYPE CreateEnumeratorFromKey(
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IDWriteFactory* pFactory,
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void const* collectionKey,
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UINT32 collectionKeySize,
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_Out_ IDWriteFontFileEnumerator** fontFileEnumerator
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);
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private:
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ULONG refCount_;
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};
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HRESULT IFontCollectionLoader::Create(_Out_ IFontCollectionLoader** ppCollectionLoader)
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{
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HRESULT hr = S_OK;
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if (!ppCollectionLoader)
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{
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hr = E_POINTER;
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}
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if (SUCCEEDED(hr))
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{
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FontCollectionLoader* pCollectionLoader = new (std::nothrow) FontCollectionLoader;
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hr = pCollectionLoader ? S_OK : E_OUTOFMEMORY;
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if (SUCCEEDED(hr))
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{
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DX::SafeRelease(*ppCollectionLoader);
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(*ppCollectionLoader) = DX::SafeAcquire(pCollectionLoader);
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}
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}
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return hr;
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}
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HRESULT STDMETHODCALLTYPE FontCollectionLoader::QueryInterface(REFIID iid, void** ppvObject)
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{
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if (iid == IID_IUnknown || iid == __uuidof(IDWriteFontCollectionLoader))
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{
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*ppvObject = this;
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AddRef();
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return S_OK;
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}
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else
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{
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*ppvObject = NULL;
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return E_NOINTERFACE;
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}
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}
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ULONG STDMETHODCALLTYPE FontCollectionLoader::AddRef()
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{
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return InterlockedIncrement(&refCount_);
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}
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ULONG STDMETHODCALLTYPE FontCollectionLoader::Release()
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{
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ULONG newCount = InterlockedDecrement(&refCount_);
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if (newCount == 0)
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delete this;
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return newCount;
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}
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HRESULT STDMETHODCALLTYPE FontCollectionLoader::CreateEnumeratorFromKey(
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IDWriteFactory* pFactory,
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void const* collectionKey,
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UINT32 collectionKeySize,
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_Out_ IDWriteFontFileEnumerator** fontFileEnumerator
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)
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{
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HRESULT hr = S_OK;
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if (collectionKey == NULL || collectionKeySize != sizeof(String))
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hr = E_INVALIDARG;
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if (SUCCEEDED(hr))
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{
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IFontFileEnumerator* pEnumerator = NULL;
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hr = IFontFileEnumerator::Create(&pEnumerator, pFactory);
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if (SUCCEEDED(hr))
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{
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String const* filePath = static_cast<String const*>(collectionKey);
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UINT32 const fileCount = collectionKeySize / sizeof(String);
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hr = pEnumerator->SetFilePaths(filePath, fileCount);
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}
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if (SUCCEEDED(hr))
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{
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*fontFileEnumerator = DX::SafeAcquire(pEnumerator);
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}
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}
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return hr;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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//
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// FontFileEnumerator
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//
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////////////////////////////////////////////////////////////////////////////////////////
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class FontFileEnumerator
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: public IFontFileEnumerator
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{
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public:
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FontFileEnumerator();
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STDMETHOD(Initialize)(
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IDWriteFactory* pFactory
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);
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STDMETHOD(SetFilePaths)(
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String const* filePath,
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UINT32 const fileCount
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);
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~FontFileEnumerator()
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{
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DX::SafeRelease(currentFile_);
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DX::SafeRelease(pFactory_);
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}
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// IUnknown methods
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virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, _Out_ void** ppvObject);
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virtual ULONG STDMETHODCALLTYPE AddRef();
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virtual ULONG STDMETHODCALLTYPE Release();
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// IDWriteFontFileEnumerator methods
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virtual HRESULT STDMETHODCALLTYPE MoveNext(_Out_ BOOL* hasCurrentFile);
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virtual HRESULT STDMETHODCALLTYPE GetCurrentFontFile(_Out_ IDWriteFontFile** fontFile);
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private:
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ULONG refCount_;
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IDWriteFactory* pFactory_;
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IDWriteFontFile* currentFile_;
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Vector<String> filePaths_;
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size_t nextIndex_;
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};
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HRESULT IFontFileEnumerator::Create(_Out_ IFontFileEnumerator** ppEnumerator, IDWriteFactory* pFactory)
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{
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HRESULT hr = S_OK;
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if (!ppEnumerator)
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{
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hr = E_POINTER;
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}
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if (SUCCEEDED(hr))
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{
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FontFileEnumerator* pEnumerator = new (std::nothrow) FontFileEnumerator;
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hr = pEnumerator ? S_OK : E_OUTOFMEMORY;
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if (SUCCEEDED(hr))
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{
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hr = pEnumerator->Initialize(pFactory);
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}
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if (SUCCEEDED(hr))
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{
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DX::SafeRelease(*ppEnumerator);
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(*ppEnumerator) = DX::SafeAcquire(pEnumerator);
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}
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}
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return hr;
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}
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FontFileEnumerator::FontFileEnumerator()
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: refCount_(0)
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, pFactory_(NULL)
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, currentFile_(NULL)
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, nextIndex_(0)
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{
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}
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STDMETHODIMP FontFileEnumerator::Initialize(
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IDWriteFactory* pFactory
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)
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{
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if (pFactory)
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{
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pFactory_ = DX::SafeAcquire(pFactory);
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return S_OK;
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}
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return E_INVALIDARG;
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}
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STDMETHODIMP FontFileEnumerator::SetFilePaths(
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String const* filePath,
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UINT32 const fileCount
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)
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{
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try
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{
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filePaths_.assign(filePath, filePath + fileCount);
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}
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catch (std::bad_alloc&)
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{
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return E_OUTOFMEMORY;
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}
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catch (...)
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{
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return E_FAIL;
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}
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE FontFileEnumerator::QueryInterface(REFIID iid, _Out_ void** ppvObject)
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{
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if (iid == IID_IUnknown || iid == __uuidof(IDWriteFontFileEnumerator))
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{
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*ppvObject = this;
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AddRef();
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return S_OK;
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}
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else
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{
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*ppvObject = NULL;
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return E_NOINTERFACE;
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}
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}
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ULONG STDMETHODCALLTYPE FontFileEnumerator::AddRef()
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{
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return InterlockedIncrement(&refCount_);
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}
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ULONG STDMETHODCALLTYPE FontFileEnumerator::Release()
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{
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ULONG newCount = InterlockedDecrement(&refCount_);
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if (newCount == 0)
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delete this;
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return newCount;
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}
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HRESULT STDMETHODCALLTYPE FontFileEnumerator::MoveNext(_Out_ BOOL* hasCurrentFile)
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{
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HRESULT hr = S_OK;
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*hasCurrentFile = FALSE;
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DX::SafeRelease(currentFile_);
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if (nextIndex_ < filePaths_.size())
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{
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hr = pFactory_->CreateFontFileReference(
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filePaths_[nextIndex_].c_str(),
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NULL,
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¤tFile_
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);
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if (SUCCEEDED(hr))
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{
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*hasCurrentFile = TRUE;
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++nextIndex_;
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}
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}
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return hr;
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}
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HRESULT STDMETHODCALLTYPE FontFileEnumerator::GetCurrentFontFile(_Out_ IDWriteFontFile** fontFile)
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{
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*fontFile = DX::SafeAcquire(currentFile_);
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return (currentFile_ != NULL) ? S_OK : E_FAIL;
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}
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////////////////////////////////////////////////////////////////////////////////////////
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//
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// ResourceFontCollectionLoader
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//
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////////////////////////////////////////////////////////////////////////////////////////
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class ResourceFontCollectionLoader
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: public IResourceFontCollectionLoader
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{
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public:
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ResourceFontCollectionLoader(IDWriteFontFileLoader* pFileLoader)
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: refCount_(0)
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, pFileLoader_(pFileLoader)
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{
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}
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// IUnknown methods
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virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, void** ppvObject);
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virtual ULONG STDMETHODCALLTYPE AddRef();
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virtual ULONG STDMETHODCALLTYPE Release();
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// IDWriteFontCollectionLoader methods
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virtual HRESULT STDMETHODCALLTYPE CreateEnumeratorFromKey(
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IDWriteFactory* pFactory,
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void const* collectionKey,
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UINT32 collectionKeySize,
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_Out_ IDWriteFontFileEnumerator** fontFileEnumerator
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);
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private:
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ULONG refCount_;
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IDWriteFontFileLoader* pFileLoader_;
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};
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HRESULT IResourceFontCollectionLoader::Create(_Out_ IResourceFontCollectionLoader** ppCollectionLoader, IDWriteFontFileLoader* pFileLoader)
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{
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HRESULT hr = S_OK;
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if (!ppCollectionLoader)
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{
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hr = E_POINTER;
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}
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if (SUCCEEDED(hr))
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{
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ResourceFontCollectionLoader* pCollectionLoader = new (std::nothrow) ResourceFontCollectionLoader(pFileLoader);
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hr = pCollectionLoader ? S_OK : E_OUTOFMEMORY;
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if (SUCCEEDED(hr))
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{
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DX::SafeRelease(*ppCollectionLoader);
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(*ppCollectionLoader) = DX::SafeAcquire(pCollectionLoader);
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}
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}
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return hr;
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}
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HRESULT STDMETHODCALLTYPE ResourceFontCollectionLoader::QueryInterface(REFIID iid, void** ppvObject)
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{
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if (iid == IID_IUnknown || iid == __uuidof(IDWriteFontCollectionLoader))
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{
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*ppvObject = this;
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AddRef();
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return S_OK;
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}
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else
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{
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*ppvObject = NULL;
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return E_NOINTERFACE;
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}
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}
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ULONG STDMETHODCALLTYPE ResourceFontCollectionLoader::AddRef()
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{
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return InterlockedIncrement(&refCount_);
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}
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ULONG STDMETHODCALLTYPE ResourceFontCollectionLoader::Release()
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{
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ULONG newCount = InterlockedDecrement(&refCount_);
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if (newCount == 0)
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delete this;
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return newCount;
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}
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HRESULT STDMETHODCALLTYPE ResourceFontCollectionLoader::CreateEnumeratorFromKey(
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IDWriteFactory* pFactory,
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void const* collectionKey,
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UINT32 collectionKeySize,
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|
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_Out_ IDWriteFontFileEnumerator** fontFileEnumerator
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)
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{
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HRESULT hr = S_OK;
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if (collectionKey == NULL || collectionKeySize % sizeof(UINT) != 0)
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hr = E_INVALIDARG;
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if (SUCCEEDED(hr))
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{
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|
|
IResourceFontFileEnumerator* pEnumerator = NULL;
|
||
|
|
hr = IResourceFontFileEnumerator::Create(&pEnumerator, pFactory, pFileLoader_);
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
UINT const* resourceID = static_cast<const UINT*>(collectionKey);
|
||
|
|
UINT32 const resourceCount = collectionKeySize / sizeof(UINT);
|
||
|
|
|
||
|
|
hr = pEnumerator->SetResources(resourceID, resourceCount);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
*fontFileEnumerator = DX::SafeAcquire(pEnumerator);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
////////////////////////////////////////////////////////////////////////////////////////
|
||
|
|
//
|
||
|
|
// ResourceFontFileLoader
|
||
|
|
//
|
||
|
|
////////////////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
class ResourceFontFileLoader
|
||
|
|
: public IResourceFontFileLoader
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
ResourceFontFileLoader()
|
||
|
|
: refCount_(0)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
// IUnknown methods
|
||
|
|
virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, void** ppvObject);
|
||
|
|
virtual ULONG STDMETHODCALLTYPE AddRef();
|
||
|
|
virtual ULONG STDMETHODCALLTYPE Release();
|
||
|
|
|
||
|
|
// IDWriteFontFileLoader methods
|
||
|
|
virtual HRESULT STDMETHODCALLTYPE CreateStreamFromKey(
|
||
|
|
void const* fontFileReferenceKey,
|
||
|
|
UINT32 fontFileReferenceKeySize,
|
||
|
|
_Out_ IDWriteFontFileStream** fontFileStream
|
||
|
|
);
|
||
|
|
|
||
|
|
private:
|
||
|
|
ULONG refCount_;
|
||
|
|
};
|
||
|
|
|
||
|
|
HRESULT IResourceFontFileLoader::Create(_Out_ IResourceFontFileLoader** ppFileLoader)
|
||
|
|
{
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
|
||
|
|
if (!ppFileLoader)
|
||
|
|
{
|
||
|
|
hr = E_POINTER;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
ResourceFontFileLoader* pFileLoader = new (std::nothrow) ResourceFontFileLoader;
|
||
|
|
hr = pFileLoader ? S_OK : E_OUTOFMEMORY;
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
(*ppFileLoader) = DX::SafeAcquire(pFileLoader);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE ResourceFontFileLoader::QueryInterface(REFIID iid, void** ppvObject)
|
||
|
|
{
|
||
|
|
if (iid == IID_IUnknown || iid == __uuidof(IDWriteFontFileLoader))
|
||
|
|
{
|
||
|
|
*ppvObject = this;
|
||
|
|
AddRef();
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
*ppvObject = NULL;
|
||
|
|
return E_NOINTERFACE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
ULONG STDMETHODCALLTYPE ResourceFontFileLoader::AddRef()
|
||
|
|
{
|
||
|
|
return InterlockedIncrement(&refCount_);
|
||
|
|
}
|
||
|
|
|
||
|
|
ULONG STDMETHODCALLTYPE ResourceFontFileLoader::Release()
|
||
|
|
{
|
||
|
|
ULONG newCount = InterlockedDecrement(&refCount_);
|
||
|
|
if (newCount == 0)
|
||
|
|
delete this;
|
||
|
|
|
||
|
|
return newCount;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE ResourceFontFileLoader::CreateStreamFromKey(
|
||
|
|
void const* fontFileReferenceKey,
|
||
|
|
UINT32 fontFileReferenceKeySize,
|
||
|
|
_Out_ IDWriteFontFileStream** fontFileStream
|
||
|
|
)
|
||
|
|
{
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
|
||
|
|
// Make sure the key is the right size.
|
||
|
|
if (fontFileReferenceKeySize != sizeof(UINT))
|
||
|
|
hr = E_INVALIDARG;
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
// Create the pFileStream object.
|
||
|
|
IResourceFontFileStream* pFileStream = NULL;
|
||
|
|
UINT resourceID = *static_cast<UINT const*>(fontFileReferenceKey);
|
||
|
|
|
||
|
|
hr = IResourceFontFileStream::Create(&pFileStream, resourceID);
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
DX::SafeRelease(*fontFileStream);
|
||
|
|
*fontFileStream = DX::SafeAcquire(pFileStream);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
////////////////////////////////////////////////////////////////////////////////////////
|
||
|
|
//
|
||
|
|
// ResourceFontFileEnumerator
|
||
|
|
//
|
||
|
|
////////////////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
class ResourceFontFileEnumerator
|
||
|
|
: public IResourceFontFileEnumerator
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
ResourceFontFileEnumerator();
|
||
|
|
|
||
|
|
STDMETHOD(Initialize)(
|
||
|
|
IDWriteFactory* pFactory,
|
||
|
|
IDWriteFontFileLoader* pLoader
|
||
|
|
);
|
||
|
|
|
||
|
|
STDMETHOD(SetResources)(
|
||
|
|
UINT const* resourceID,
|
||
|
|
UINT32 const resourceCount
|
||
|
|
);
|
||
|
|
|
||
|
|
~ResourceFontFileEnumerator()
|
||
|
|
{
|
||
|
|
DX::SafeRelease(currentFile_);
|
||
|
|
DX::SafeRelease(pFactory_);
|
||
|
|
}
|
||
|
|
|
||
|
|
// IUnknown methods
|
||
|
|
virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, _Out_ void** ppvObject);
|
||
|
|
virtual ULONG STDMETHODCALLTYPE AddRef();
|
||
|
|
virtual ULONG STDMETHODCALLTYPE Release();
|
||
|
|
|
||
|
|
// IDWriteFontFileEnumerator methods
|
||
|
|
virtual HRESULT STDMETHODCALLTYPE MoveNext(_Out_ BOOL* hasCurrentFile);
|
||
|
|
virtual HRESULT STDMETHODCALLTYPE GetCurrentFontFile(_Out_ IDWriteFontFile** fontFile);
|
||
|
|
|
||
|
|
private:
|
||
|
|
ULONG refCount_;
|
||
|
|
|
||
|
|
IDWriteFactory* pFactory_;
|
||
|
|
IDWriteFontFile* currentFile_;
|
||
|
|
IDWriteFontFileLoader* pLoader_;
|
||
|
|
Vector<UINT> resourceIDs_;
|
||
|
|
size_t nextIndex_;
|
||
|
|
};
|
||
|
|
|
||
|
|
HRESULT IResourceFontFileEnumerator::Create(_Out_ IResourceFontFileEnumerator** ppEnumerator, IDWriteFactory* pFactory, IDWriteFontFileLoader* pFileLoader)
|
||
|
|
{
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
|
||
|
|
if (!ppEnumerator)
|
||
|
|
{
|
||
|
|
hr = E_POINTER;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
ResourceFontFileEnumerator* pEnumerator = new (std::nothrow) ResourceFontFileEnumerator;
|
||
|
|
hr = pEnumerator ? S_OK : E_OUTOFMEMORY;
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
hr = pEnumerator->Initialize(pFactory, pFileLoader);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
DX::SafeRelease(*ppEnumerator);
|
||
|
|
(*ppEnumerator) = DX::SafeAcquire(pEnumerator);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
ResourceFontFileEnumerator::ResourceFontFileEnumerator()
|
||
|
|
: refCount_(0)
|
||
|
|
, pFactory_(NULL)
|
||
|
|
, currentFile_(NULL)
|
||
|
|
, nextIndex_(0)
|
||
|
|
, pLoader_(NULL)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP ResourceFontFileEnumerator::Initialize(
|
||
|
|
IDWriteFactory* pFactory,
|
||
|
|
IDWriteFontFileLoader* pLoader
|
||
|
|
)
|
||
|
|
{
|
||
|
|
if (pFactory && pLoader)
|
||
|
|
{
|
||
|
|
pFactory_ = DX::SafeAcquire(pFactory);
|
||
|
|
pLoader_ = DX::SafeAcquire(pLoader);
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
return E_INVALIDARG;
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP ResourceFontFileEnumerator::SetResources(
|
||
|
|
UINT const* resourceID,
|
||
|
|
UINT32 const resourceCount
|
||
|
|
)
|
||
|
|
{
|
||
|
|
try
|
||
|
|
{
|
||
|
|
resourceIDs_.assign(resourceID, resourceID + resourceCount);
|
||
|
|
}
|
||
|
|
catch (std::bad_alloc&)
|
||
|
|
{
|
||
|
|
return E_OUTOFMEMORY;
|
||
|
|
}
|
||
|
|
catch (...)
|
||
|
|
{
|
||
|
|
return E_FAIL;
|
||
|
|
}
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE ResourceFontFileEnumerator::QueryInterface(REFIID iid, _Out_ void** ppvObject)
|
||
|
|
{
|
||
|
|
if (iid == IID_IUnknown || iid == __uuidof(IDWriteFontFileEnumerator))
|
||
|
|
{
|
||
|
|
*ppvObject = this;
|
||
|
|
AddRef();
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
*ppvObject = NULL;
|
||
|
|
return E_NOINTERFACE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
ULONG STDMETHODCALLTYPE ResourceFontFileEnumerator::AddRef()
|
||
|
|
{
|
||
|
|
return InterlockedIncrement(&refCount_);
|
||
|
|
}
|
||
|
|
|
||
|
|
ULONG STDMETHODCALLTYPE ResourceFontFileEnumerator::Release()
|
||
|
|
{
|
||
|
|
ULONG newCount = InterlockedDecrement(&refCount_);
|
||
|
|
if (newCount == 0)
|
||
|
|
delete this;
|
||
|
|
|
||
|
|
return newCount;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE ResourceFontFileEnumerator::MoveNext(_Out_ BOOL* hasCurrentFile)
|
||
|
|
{
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
|
||
|
|
*hasCurrentFile = FALSE;
|
||
|
|
DX::SafeRelease(currentFile_);
|
||
|
|
|
||
|
|
if (nextIndex_ < resourceIDs_.size())
|
||
|
|
{
|
||
|
|
hr = pFactory_->CreateCustomFontFileReference(
|
||
|
|
&resourceIDs_[nextIndex_],
|
||
|
|
sizeof(UINT),
|
||
|
|
pLoader_,
|
||
|
|
¤tFile_
|
||
|
|
);
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
*hasCurrentFile = TRUE;
|
||
|
|
|
||
|
|
++nextIndex_;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE ResourceFontFileEnumerator::GetCurrentFontFile(_Out_ IDWriteFontFile** fontFile)
|
||
|
|
{
|
||
|
|
*fontFile = DX::SafeAcquire(currentFile_);
|
||
|
|
|
||
|
|
return (currentFile_ != NULL) ? S_OK : E_FAIL;
|
||
|
|
}
|
||
|
|
|
||
|
|
|
||
|
|
////////////////////////////////////////////////////////////////////////////////////////
|
||
|
|
//
|
||
|
|
// ResourceFontFileStream
|
||
|
|
//
|
||
|
|
////////////////////////////////////////////////////////////////////////////////////////
|
||
|
|
|
||
|
|
class ResourceFontFileStream
|
||
|
|
: public IResourceFontFileStream
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
ResourceFontFileStream();
|
||
|
|
|
||
|
|
STDMETHOD(Initialize)(
|
||
|
|
const UINT resourceID
|
||
|
|
);
|
||
|
|
|
||
|
|
// IUnknown methods
|
||
|
|
virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, void** ppvObject);
|
||
|
|
virtual ULONG STDMETHODCALLTYPE AddRef();
|
||
|
|
virtual ULONG STDMETHODCALLTYPE Release();
|
||
|
|
|
||
|
|
// IDWriteFontFileStream methods
|
||
|
|
virtual HRESULT STDMETHODCALLTYPE ReadFileFragment(
|
||
|
|
void const** fragmentStart,
|
||
|
|
UINT64 fileOffset,
|
||
|
|
UINT64 fragmentSize,
|
||
|
|
_Out_ void** fragmentContext
|
||
|
|
);
|
||
|
|
|
||
|
|
virtual void STDMETHODCALLTYPE ReleaseFileFragment(
|
||
|
|
void* fragmentContext
|
||
|
|
);
|
||
|
|
|
||
|
|
virtual HRESULT STDMETHODCALLTYPE GetFileSize(
|
||
|
|
_Out_ UINT64* fileSize
|
||
|
|
);
|
||
|
|
|
||
|
|
virtual HRESULT STDMETHODCALLTYPE GetLastWriteTime(
|
||
|
|
_Out_ UINT64* lastWriteTime
|
||
|
|
);
|
||
|
|
|
||
|
|
bool IsInitialized()
|
||
|
|
{
|
||
|
|
return resourcePtr_ != NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
private:
|
||
|
|
ULONG refCount_;
|
||
|
|
LPVOID resourcePtr_;
|
||
|
|
DWORD resourceSize_;
|
||
|
|
};
|
||
|
|
|
||
|
|
HRESULT IResourceFontFileStream::Create(_Out_ IResourceFontFileStream** ppStream, const UINT resourceID)
|
||
|
|
{
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
|
||
|
|
if (!ppStream)
|
||
|
|
{
|
||
|
|
hr = E_POINTER;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
ResourceFontFileStream* pFileStream = new (std::nothrow) ResourceFontFileStream;
|
||
|
|
hr = pFileStream ? S_OK : E_OUTOFMEMORY;
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
hr = pFileStream->Initialize(resourceID);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (SUCCEEDED(hr))
|
||
|
|
{
|
||
|
|
DX::SafeRelease(*ppStream);
|
||
|
|
(*ppStream) = DX::SafeAcquire(pFileStream);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
ResourceFontFileStream::ResourceFontFileStream()
|
||
|
|
: refCount_(0)
|
||
|
|
, resourcePtr_(NULL)
|
||
|
|
, resourceSize_(0)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
STDMETHODIMP ResourceFontFileStream::Initialize(
|
||
|
|
const UINT resourceID
|
||
|
|
)
|
||
|
|
{
|
||
|
|
HRESULT hr = S_OK;
|
||
|
|
|
||
|
|
if (!Resource{ resourceID, RT_FONT }.Load(resourcePtr_, resourceSize_))
|
||
|
|
{
|
||
|
|
hr = E_FAIL;
|
||
|
|
}
|
||
|
|
return hr;
|
||
|
|
}
|
||
|
|
|
||
|
|
// IUnknown methods
|
||
|
|
HRESULT STDMETHODCALLTYPE ResourceFontFileStream::QueryInterface(REFIID iid, void** ppvObject)
|
||
|
|
{
|
||
|
|
if (iid == IID_IUnknown || iid == __uuidof(IDWriteFontFileStream))
|
||
|
|
{
|
||
|
|
*ppvObject = this;
|
||
|
|
AddRef();
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
*ppvObject = NULL;
|
||
|
|
return E_NOINTERFACE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
ULONG STDMETHODCALLTYPE ResourceFontFileStream::AddRef()
|
||
|
|
{
|
||
|
|
return InterlockedIncrement(&refCount_);
|
||
|
|
}
|
||
|
|
|
||
|
|
ULONG STDMETHODCALLTYPE ResourceFontFileStream::Release()
|
||
|
|
{
|
||
|
|
ULONG newCount = InterlockedDecrement(&refCount_);
|
||
|
|
if (newCount == 0)
|
||
|
|
delete this;
|
||
|
|
|
||
|
|
return newCount;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE ResourceFontFileStream::ReadFileFragment(
|
||
|
|
void const** fragmentStart,
|
||
|
|
UINT64 fileOffset,
|
||
|
|
UINT64 fragmentSize,
|
||
|
|
_Out_ void** fragmentContext
|
||
|
|
)
|
||
|
|
{
|
||
|
|
// The pLoader is responsible for doing a bounds check.
|
||
|
|
if (fileOffset <= resourceSize_ &&
|
||
|
|
fragmentSize <= resourceSize_ - fileOffset)
|
||
|
|
{
|
||
|
|
*fragmentStart = static_cast<BYTE const*>(resourcePtr_) + static_cast<size_t>(fileOffset);
|
||
|
|
*fragmentContext = NULL;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
*fragmentStart = NULL;
|
||
|
|
*fragmentContext = NULL;
|
||
|
|
return E_FAIL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void STDMETHODCALLTYPE ResourceFontFileStream::ReleaseFileFragment(
|
||
|
|
void* fragmentContext
|
||
|
|
)
|
||
|
|
{
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE ResourceFontFileStream::GetFileSize(
|
||
|
|
_Out_ UINT64* fileSize
|
||
|
|
)
|
||
|
|
{
|
||
|
|
*fileSize = resourceSize_;
|
||
|
|
return S_OK;
|
||
|
|
}
|
||
|
|
|
||
|
|
HRESULT STDMETHODCALLTYPE ResourceFontFileStream::GetLastWriteTime(
|
||
|
|
_Out_ UINT64* lastWriteTime
|
||
|
|
)
|
||
|
|
{
|
||
|
|
*lastWriteTime = 0;
|
||
|
|
return E_NOTIMPL;
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|