986 lines
21 KiB
C++
986 lines
21 KiB
C++
// Copyright (c) 2016-2018 Kiwano - Nomango
|
|
//
|
|
// Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
// of this software and associated documentation files (the "Software"), to deal
|
|
// in the Software without restriction, including without limitation the rights
|
|
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
// copies of the Software, and to permit persons to whom the Software is
|
|
// furnished to do so, subject to the following conditions:
|
|
//
|
|
// The above copyright notice and this permission notice shall be included in
|
|
// all copies or substantial portions of the Software.
|
|
//
|
|
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
// _Out_ OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
// THE SOFTWARE.
|
|
|
|
#include "FontCollectionLoader.h"
|
|
|
|
namespace kiwano
|
|
{
|
|
////////////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// FontCollectionLoader
|
|
//
|
|
////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
class FontCollectionLoader
|
|
: public IFontCollectionLoader
|
|
{
|
|
public:
|
|
FontCollectionLoader()
|
|
: refCount_(0)
|
|
{
|
|
}
|
|
|
|
STDMETHOD(AddFilePaths)(
|
|
Vector<String> const& filePaths,
|
|
_Out_ LPVOID* pCollectionKey,
|
|
_Out_ UInt32* pCollectionKeySize
|
|
);
|
|
|
|
// IUnknown methods
|
|
virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, void** ppvObject);
|
|
virtual ULONG STDMETHODCALLTYPE AddRef();
|
|
virtual ULONG STDMETHODCALLTYPE Release();
|
|
|
|
// IDWriteFontCollectionLoader methods
|
|
virtual HRESULT STDMETHODCALLTYPE CreateEnumeratorFromKey(
|
|
IDWriteFactory* pFactory,
|
|
void const* collectionKey,
|
|
UInt32 collectionKeySize,
|
|
_Out_ IDWriteFontFileEnumerator** fontFileEnumerator
|
|
);
|
|
|
|
private:
|
|
ULONG refCount_;
|
|
|
|
typedef Vector<String> FileCollection;
|
|
Vector<FileCollection> filePaths_;
|
|
Vector<UInt32> collectionKeys_;
|
|
};
|
|
|
|
HRESULT IFontCollectionLoader::Create(_Out_ IFontCollectionLoader** ppCollectionLoader)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
if (!ppCollectionLoader)
|
|
{
|
|
hr = E_POINTER;
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
FontCollectionLoader* pCollectionLoader = new (std::nothrow) FontCollectionLoader;
|
|
hr = pCollectionLoader ? S_OK : E_OUTOFMEMORY;
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
DX::SafeRelease(*ppCollectionLoader);
|
|
(*ppCollectionLoader) = DX::SafeAcquire(pCollectionLoader);
|
|
}
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
STDMETHODIMP FontCollectionLoader::AddFilePaths(
|
|
Vector<String> const& filePaths,
|
|
_Out_ LPVOID* pCollectionKey,
|
|
_Out_ UInt32* pCollectionKeySize
|
|
)
|
|
{
|
|
if (!pCollectionKey || !pCollectionKeySize)
|
|
{
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
try
|
|
{
|
|
UInt32 collectionKey = filePaths_.size();
|
|
collectionKeys_.push_back(collectionKey);
|
|
filePaths_.push_back(filePaths);
|
|
|
|
*pCollectionKey = reinterpret_cast<LPVOID>(&collectionKeys_.back());
|
|
*pCollectionKeySize = sizeof(collectionKey);
|
|
}
|
|
catch (std::bad_alloc&)
|
|
{
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
catch (...)
|
|
{
|
|
return E_FAIL;
|
|
}
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT STDMETHODCALLTYPE FontCollectionLoader::QueryInterface(REFIID iid, void** ppvObject)
|
|
{
|
|
if (iid == IID_IUnknown || iid == __uuidof(IDWriteFontCollectionLoader))
|
|
{
|
|
*ppvObject = this;
|
|
AddRef();
|
|
return S_OK;
|
|
}
|
|
else
|
|
{
|
|
*ppvObject = NULL;
|
|
return E_NOINTERFACE;
|
|
}
|
|
}
|
|
|
|
ULONG STDMETHODCALLTYPE FontCollectionLoader::AddRef()
|
|
{
|
|
return InterlockedIncrement(&refCount_);
|
|
}
|
|
|
|
ULONG STDMETHODCALLTYPE FontCollectionLoader::Release()
|
|
{
|
|
ULONG newCount = InterlockedDecrement(&refCount_);
|
|
if (newCount == 0)
|
|
delete this;
|
|
|
|
return newCount;
|
|
}
|
|
|
|
HRESULT STDMETHODCALLTYPE FontCollectionLoader::CreateEnumeratorFromKey(
|
|
IDWriteFactory* pFactory,
|
|
void const* collectionKey,
|
|
UInt32 collectionKeySize,
|
|
_Out_ IDWriteFontFileEnumerator** fontFileEnumerator
|
|
)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
if (collectionKey == NULL || collectionKeySize % sizeof(UInt32) != 0)
|
|
hr = E_INVALIDARG;
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
IFontFileEnumerator* pEnumerator = NULL;
|
|
hr = IFontFileEnumerator::Create(&pEnumerator, pFactory);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
const UInt32 fileIndex = *static_cast<UInt32 const*>(collectionKey);
|
|
hr = pEnumerator->SetFilePaths(filePaths_[fileIndex]);
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
*fontFileEnumerator = DX::SafeAcquire(pEnumerator);
|
|
}
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// FontFileEnumerator
|
|
//
|
|
////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
class FontFileEnumerator
|
|
: public IFontFileEnumerator
|
|
{
|
|
public:
|
|
FontFileEnumerator();
|
|
|
|
STDMETHOD(Initialize)(
|
|
IDWriteFactory* pFactory
|
|
);
|
|
|
|
STDMETHOD(SetFilePaths)(
|
|
Vector<String> const& filePaths
|
|
);
|
|
|
|
~FontFileEnumerator()
|
|
{
|
|
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_;
|
|
Vector<String> filePaths_;
|
|
UInt32 nextIndex_;
|
|
};
|
|
|
|
HRESULT IFontFileEnumerator::Create(_Out_ IFontFileEnumerator** ppEnumerator, IDWriteFactory* pFactory)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
if (!ppEnumerator)
|
|
{
|
|
hr = E_POINTER;
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
FontFileEnumerator* pEnumerator = new (std::nothrow) FontFileEnumerator;
|
|
hr = pEnumerator ? S_OK : E_OUTOFMEMORY;
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
hr = pEnumerator->Initialize(pFactory);
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
DX::SafeRelease(*ppEnumerator);
|
|
(*ppEnumerator) = DX::SafeAcquire(pEnumerator);
|
|
}
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
FontFileEnumerator::FontFileEnumerator()
|
|
: refCount_(0)
|
|
, pFactory_(NULL)
|
|
, currentFile_(NULL)
|
|
, nextIndex_(0)
|
|
{
|
|
}
|
|
|
|
STDMETHODIMP FontFileEnumerator::Initialize(
|
|
IDWriteFactory* pFactory
|
|
)
|
|
{
|
|
if (pFactory)
|
|
{
|
|
pFactory_ = DX::SafeAcquire(pFactory);
|
|
return S_OK;
|
|
}
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
STDMETHODIMP FontFileEnumerator::SetFilePaths(
|
|
Vector<String> const& filePaths
|
|
)
|
|
{
|
|
try
|
|
{
|
|
filePaths_.assign(filePaths);
|
|
}
|
|
catch (std::bad_alloc&)
|
|
{
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
catch (...)
|
|
{
|
|
return E_FAIL;
|
|
}
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT STDMETHODCALLTYPE FontFileEnumerator::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 FontFileEnumerator::AddRef()
|
|
{
|
|
return InterlockedIncrement(&refCount_);
|
|
}
|
|
|
|
ULONG STDMETHODCALLTYPE FontFileEnumerator::Release()
|
|
{
|
|
ULONG newCount = InterlockedDecrement(&refCount_);
|
|
if (newCount == 0)
|
|
delete this;
|
|
|
|
return newCount;
|
|
}
|
|
|
|
HRESULT STDMETHODCALLTYPE FontFileEnumerator::MoveNext(_Out_ BOOL* hasCurrentFile)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
*hasCurrentFile = FALSE;
|
|
DX::SafeRelease(currentFile_);
|
|
|
|
if (nextIndex_ < filePaths_.size())
|
|
{
|
|
hr = pFactory_->CreateFontFileReference(
|
|
filePaths_[nextIndex_].c_str(),
|
|
NULL,
|
|
¤tFile_
|
|
);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
*hasCurrentFile = TRUE;
|
|
|
|
++nextIndex_;
|
|
}
|
|
}
|
|
|
|
return hr;
|
|
}
|
|
|
|
HRESULT STDMETHODCALLTYPE FontFileEnumerator::GetCurrentFontFile(_Out_ IDWriteFontFile** fontFile)
|
|
{
|
|
*fontFile = DX::SafeAcquire(currentFile_);
|
|
|
|
return (currentFile_ != NULL) ? S_OK : E_FAIL;
|
|
}
|
|
|
|
|
|
////////////////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// ResourceFontCollectionLoader
|
|
//
|
|
////////////////////////////////////////////////////////////////////////////////////////
|
|
|
|
class ResourceFontCollectionLoader
|
|
: public IResourceFontCollectionLoader
|
|
{
|
|
public:
|
|
ResourceFontCollectionLoader(IDWriteFontFileLoader* pFileLoader)
|
|
: refCount_(0)
|
|
, pFileLoader_(pFileLoader)
|
|
{
|
|
}
|
|
|
|
STDMETHOD(AddResources)(
|
|
Vector<Resource> const& resources,
|
|
_Out_ LPVOID* pCollectionKey,
|
|
_Out_ UInt32* pCollectionKeySize
|
|
);
|
|
|
|
// IUnknown methods
|
|
virtual HRESULT STDMETHODCALLTYPE QueryInterface(REFIID iid, void** ppvObject);
|
|
virtual ULONG STDMETHODCALLTYPE AddRef();
|
|
virtual ULONG STDMETHODCALLTYPE Release();
|
|
|
|
// IDWriteFontCollectionLoader methods
|
|
virtual HRESULT STDMETHODCALLTYPE CreateEnumeratorFromKey(
|
|
IDWriteFactory* pFactory,
|
|
void const* collectionKey,
|
|
UInt32 collectionKeySize,
|
|
_Out_ IDWriteFontFileEnumerator** fontFileEnumerator
|
|
);
|
|
|
|
private:
|
|
ULONG refCount_;
|
|
IDWriteFontFileLoader* pFileLoader_;
|
|
|
|
typedef Vector<Resource> ResourceCollection;
|
|
Vector<ResourceCollection> resources_;
|
|
Vector<UInt32> collectionKeys_;
|
|
};
|
|
|
|
HRESULT IResourceFontCollectionLoader::Create(_Out_ IResourceFontCollectionLoader** ppCollectionLoader, IDWriteFontFileLoader* pFileLoader)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
if (!ppCollectionLoader)
|
|
{
|
|
hr = E_POINTER;
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
ResourceFontCollectionLoader* pCollectionLoader = new (std::nothrow) ResourceFontCollectionLoader(pFileLoader);
|
|
hr = pCollectionLoader ? S_OK : E_OUTOFMEMORY;
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
DX::SafeRelease(*ppCollectionLoader);
|
|
(*ppCollectionLoader) = DX::SafeAcquire(pCollectionLoader);
|
|
}
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
STDMETHODIMP ResourceFontCollectionLoader::AddResources(
|
|
Vector<Resource> const& resources,
|
|
_Out_ LPVOID* pCollectionKey,
|
|
_Out_ UInt32* pCollectionKeySize
|
|
)
|
|
{
|
|
if (!pCollectionKey || !pCollectionKeySize)
|
|
{
|
|
return E_INVALIDARG;
|
|
}
|
|
|
|
try
|
|
{
|
|
UInt32 collectionKey = resources_.size();
|
|
collectionKeys_.push_back(collectionKey);
|
|
resources_.push_back(resources);
|
|
|
|
*pCollectionKey = reinterpret_cast<LPVOID>(&collectionKeys_.back());
|
|
*pCollectionKeySize = sizeof(collectionKey);
|
|
}
|
|
catch (std::bad_alloc&)
|
|
{
|
|
return E_OUTOFMEMORY;
|
|
}
|
|
catch (...)
|
|
{
|
|
return E_FAIL;
|
|
}
|
|
return S_OK;
|
|
}
|
|
|
|
HRESULT STDMETHODCALLTYPE ResourceFontCollectionLoader::QueryInterface(REFIID iid, void** ppvObject)
|
|
{
|
|
if (iid == IID_IUnknown || iid == __uuidof(IDWriteFontCollectionLoader))
|
|
{
|
|
*ppvObject = this;
|
|
AddRef();
|
|
return S_OK;
|
|
}
|
|
else
|
|
{
|
|
*ppvObject = NULL;
|
|
return E_NOINTERFACE;
|
|
}
|
|
}
|
|
|
|
ULONG STDMETHODCALLTYPE ResourceFontCollectionLoader::AddRef()
|
|
{
|
|
return InterlockedIncrement(&refCount_);
|
|
}
|
|
|
|
ULONG STDMETHODCALLTYPE ResourceFontCollectionLoader::Release()
|
|
{
|
|
ULONG newCount = InterlockedDecrement(&refCount_);
|
|
if (newCount == 0)
|
|
delete this;
|
|
|
|
return newCount;
|
|
}
|
|
|
|
HRESULT STDMETHODCALLTYPE ResourceFontCollectionLoader::CreateEnumeratorFromKey(
|
|
IDWriteFactory* pFactory,
|
|
void const* collectionKey,
|
|
UInt32 collectionKeySize,
|
|
_Out_ IDWriteFontFileEnumerator** fontFileEnumerator
|
|
)
|
|
{
|
|
HRESULT hr = S_OK;
|
|
|
|
if (collectionKey == NULL || collectionKeySize % sizeof(Resource*) != 0)
|
|
hr = E_INVALIDARG;
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
IResourceFontFileEnumerator* pEnumerator = NULL;
|
|
hr = IResourceFontFileEnumerator::Create(&pEnumerator, pFactory, pFileLoader_);
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
const UInt32 resourceIndex = *static_cast<const UInt32*>(collectionKey);
|
|
|
|
hr = pEnumerator->SetResources(resources_[resourceIndex]);
|
|
}
|
|
|
|
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(Resource))
|
|
hr = E_INVALIDARG;
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
// Create the pFileStream object.
|
|
IResourceFontFileStream* pFileStream = NULL;
|
|
Resource resource = *static_cast<Resource const*>(fontFileReferenceKey);
|
|
|
|
hr = IResourceFontFileStream::Create(&pFileStream, resource);
|
|
|
|
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)(
|
|
Vector<Resource> const& resources
|
|
);
|
|
|
|
~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<Resource> resources_;
|
|
UInt32 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(
|
|
Vector<Resource> const& resources
|
|
)
|
|
{
|
|
try
|
|
{
|
|
resources_.assign(resources);
|
|
}
|
|
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_ < resources_.size())
|
|
{
|
|
hr = pFactory_->CreateCustomFontFileReference(
|
|
&resources_[nextIndex_],
|
|
sizeof(Resource),
|
|
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)(
|
|
Resource const resources
|
|
);
|
|
|
|
// 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 Resource resource)
|
|
{
|
|
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(resource);
|
|
}
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
DX::SafeRelease(*ppStream);
|
|
(*ppStream) = DX::SafeAcquire(pFileStream);
|
|
}
|
|
}
|
|
return hr;
|
|
}
|
|
|
|
ResourceFontFileStream::ResourceFontFileStream()
|
|
: refCount_(0)
|
|
, resourcePtr_(NULL)
|
|
, resourceSize_(0)
|
|
{
|
|
}
|
|
|
|
STDMETHODIMP ResourceFontFileStream::Initialize(
|
|
const Resource resource
|
|
)
|
|
{
|
|
Resource::Data data = resource.GetData();
|
|
HRESULT hr = data ? S_OK : E_FAIL;
|
|
|
|
if (SUCCEEDED(hr))
|
|
{
|
|
resourcePtr_ = data.buffer;
|
|
resourceSize_ = data.size;
|
|
}
|
|
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<UInt32>(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;
|
|
}
|
|
|
|
}
|