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https://github.com/chibicitiberiu/rainmeter-studio.git
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78 lines
2.0 KiB
C++
78 lines
2.0 KiB
C++
/*
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Copyright (C) 2013 Birunthan Mohanathas
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*/
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#include "DWriteFontFileEnumerator.h"
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namespace Gfx {
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namespace Util {
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DWriteFontFileEnumerator::DWriteFontFileEnumerator(const std::vector<IDWriteFontFile*>& fontFiles) :
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m_RefCount(1),
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m_FontFiles(fontFiles),
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m_CurrentFontFileIndex(-1)
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{
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}
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ULONG STDMETHODCALLTYPE DWriteFontFileEnumerator::AddRef()
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{
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++m_RefCount;
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return m_RefCount;
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}
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ULONG STDMETHODCALLTYPE DWriteFontFileEnumerator::Release()
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{
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--m_RefCount;
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if (m_RefCount == 0)
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{
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delete this;
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return 0;
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}
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return m_RefCount;
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}
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HRESULT STDMETHODCALLTYPE DWriteFontFileEnumerator::QueryInterface(IID const& riid, void** ppvObject)
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{
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if (riid == IID_IUnknown ||
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riid == __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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*ppvObject = nullptr;
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return E_NOINTERFACE;
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}
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HRESULT STDMETHODCALLTYPE DWriteFontFileEnumerator::MoveNext(BOOL* hasCurrentFile)
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{
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*hasCurrentFile = (++m_CurrentFontFileIndex < (int)m_FontFiles.size());
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return S_OK;
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}
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HRESULT STDMETHODCALLTYPE DWriteFontFileEnumerator::GetCurrentFontFile(IDWriteFontFile** fontFile)
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{
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IDWriteFontFile* currentFontFile = m_FontFiles[m_CurrentFontFileIndex];
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currentFontFile->AddRef();
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*fontFile = currentFontFile;
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return S_OK;
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}
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} // namespace Util
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} // namespace Gfx
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