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/****************************************************************************
**
** Copyright (C) 2015 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL$
** Commercial License Usage
** Licensees holding valid commercial Qt licenses may use this file in
** accordance with the commercial license agreement provided with the
** Software or, alternatively, in accordance with the terms contained in
** a written agreement between you and The Qt Company. For licensing terms
** and conditions see https://www.qt.io/terms-conditions. For further
** information use the contact form at https://www.qt.io/contact-us.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3 or (at your option) any later version
** approved by the KDE Free Qt Foundation. The licenses are as published by
** the Free Software Foundation and appearing in the file LICENSE.GPL3
** included in the packaging of this file. Please review the following
** information to ensure the GNU General Public License requirements will
** be met: https://www.gnu.org/licenses/gpl-3.0.html.
**
** $QT_END_LICENSE$
**
****************************************************************************/ #pragma once
#ifndef QT3DS_RENDER_PATH_FONT_SPECIFICATION_H
#define QT3DS_RENDER_PATH_FONT_SPECIFICATION_H
#include "foundation/Qt3DSVec2.h"
#include "foundation/Qt3DSRefCounted.h"
#include "foundation/Qt3DSAtomic.h"
#include "foundation/Qt3DSContainers.h"
#include "foundation/Qt3DSAllocatorCallback.h"
#include "foundation/StringTable.h"
#include "EASTL/string.h"
#include "render/backends/Qt3DSRenderBackend.h"
namespace qt3ds
{
namespace render {
using namespace foundation;
class NVRenderContextImpl;
class NVRenderPathRender;
class NVRenderPathFontItem;
class NVRenderPathFontSpecification : public NVRefCounted
{
NVRenderContextImpl &m_Context; ///< pointer to context
NVFoundationBase &m_Foundation; ///< pointer to foundation
NVRenderBackend *m_Backend; ///< pointer to backend
volatile QT3DSI32
mRefCount; ///< Using foundations' naming convention to ease implementation
public:
/**
* @brief constructor
*
* @param[in] context Pointer to render context
* @param[in] fnd Pointer to foundation
* @param[in] fontName Name of font ( may include path
* )
*
* @return No return.
*/
NVRenderPathFontSpecification(NVRenderContextImpl &context, NVFoundationBase &fnd,
CRegisteredString fontName);
/// @NVRenderPathSpecification destructor
~NVRenderPathFontSpecification();
// define refcount functions
QT3DS_IMPLEMENT_REF_COUNT_ADDREF_RELEASE(m_Foundation)
/**
* @brief Load numGlyphs glyphs from specified font file
*
* @param[in] pathBase Base of path objects
* @param[in] fontName Name of font ( may include path
* )
* @param[in] numGlyphs Glyph count
* @param[in] type type ( byte, int,... )
* @param[in] charCodes character string
*
* @return No return
*/
virtual void LoadPathGlyphs(const char *fontName, NVRenderPathFormatType::Enum type);
/**
* @brief Render a stencil fill pass for fonts
*
* @param[in] inPathFontSpec Pointer to NVRenderPathFontSpecification
*
* @return no return
*/
void StencilFillPathInstanced(NVRenderPathFontItem &inPathFontItem);
/**
* @brief Render a cover fill pass for fonts
*
* @param[in] inPathFontSpec Pointer to NVRenderPathFontSpecification
*
* @return no return
*/
void CoverFillPathInstanced(NVRenderPathFontItem &inPathFontItem);
/**
* @brief get type for font path set
*
* @return path font type
*/
NVRenderPathFormatType::Enum GetPathFontType() { return m_Type; }
/**
* @brief get font glyph count
*
* @return get glyph count
*/
QT3DSU32 GetFontGlyphsCount() { return m_NumFontGlyphs; }
/**
* @brief get spacing for char set
*
* @return spacing array
*/
QT3DSF32 GetEmScale() const { return m_EmScale; }
/**
* @brief Get font name
*
* @return name set
*/
CRegisteredString GetFontName() const { return m_FontName; }
private:
QT3DSU32 m_NumFontGlyphs; ///< glyph count of the entire font set
QT3DSF32 m_EmScale; ///< true type scale
NVRenderPathFormatType::Enum m_Type; ///< type ( byte, int,... )
NVRenderPathTransformType::Enum m_TransformType; ///< transform type default 2D
CRegisteredString m_FontName; ///< Name of Font
NVRenderBackend::NVRenderBackendPathObject
m_PathRenderHandle; ///< opaque backend handle
private:
/**
* @brief Get size of type
*
* @param[in] type type ( byte, int,... )
*
* @return true if successful
*/
QT3DSU32 getSizeofType(NVRenderPathFormatType::Enum type);
public:
static NVRenderPathFontSpecification *
CreatePathFontSpecification(NVRenderContextImpl &context, CRegisteredString fontName);
};
}
}
#endif
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