rainmeter-studio/Common/Gfx/FontCollectionD2D.cpp

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/*
Copyright (C) 2013 Birunthan Mohanathas
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License
as published by the Free Software Foundation; either version 2
of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#include "StdAfx.h"
#include "FontCollectionD2D.h"
#include "CanvasD2D.h"
#include "Util/DWriteFontCollectionLoader.h"
namespace Gfx {
FontCollectionD2D::FontCollectionD2D() : FontCollection(),
m_Collection()
{
}
FontCollectionD2D::~FontCollectionD2D()
{
Dispose();
}
void FontCollectionD2D::Dispose()
{
for (IDWriteFontFile* fileReference : m_FileReferences)
{
fileReference->Release();
}
m_FileReferences.clear();
}
bool FontCollectionD2D::InitializeCollection()
{
if (!m_Collection)
{
auto loader = Util::DWriteFontCollectionLoader::GetInstance();
CanvasD2D::c_DWFactory->CreateCustomFontCollection(
loader, &m_FileReferences, sizeof(m_FileReferences), &m_Collection);
}
return m_Collection != nullptr;
}
bool FontCollectionD2D::AddFile(const WCHAR* file)
{
// If DirecWrite font collection already exists, we need to destroy it as fonts cannot be added to
// an existing collection. The collection will be recreated on the next call to
// InitializeCollection().
if (m_Collection)
{
m_Collection->Release();
m_Collection = nullptr;
}
IDWriteFontFile* fileReference;
HRESULT hr = CanvasD2D::c_DWFactory->CreateFontFileReference(file, nullptr, &fileReference);
if (SUCCEEDED(hr))
{
m_FileReferences.push_back(fileReference);
return true;
}
return false;
}
} // namespace Gfx