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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_TEXT_H
#define QT3DS_RENDER_PATH_FONT_TEXT_H
#include "foundation/Qt3DSVec2.h"
#include "foundation/Qt3DSRefCounted.h"
#include "foundation/Qt3DSAtomic.h"
#include "foundation/Qt3DSContainers.h"
#include "foundation/Qt3DSAllocatorCallback.h"
#include "EASTL/string.h"
#include "render/backends/Qt3DSRenderBackend.h"
namespace qt3ds
{
namespace render {
using namespace foundation;
class NVRenderContextImpl;
class NVRenderPathFontSpecification;
class NVRenderPathFontItem : public NVRefCounted
{
NVFoundationBase &m_Foundation; ///< pointer to foundation
volatile QT3DSI32
mRefCount; ///< Using foundations' naming convention to ease implementation
public:
/**
* @brief constructor
*
* @param[in] fnd Pointer to foundation
*
* @return No return.
*/
NVRenderPathFontItem(NVFoundationBase &fnd);
/// @NVRenderPathFontItem destructor
~NVRenderPathFontItem();
// define refcount functions
QT3DS_IMPLEMENT_REF_COUNT_ADDREF_RELEASE(m_Foundation)
/**
* @brief Setup text
*
* @param[in] glyphCount number of glyphs
* @param[in] glyphIDs array of glyhp ID's
* @param[in] type type ( byte, int,... )
* @param[in] posArray array of glyhp positions
* @param[in] pixelBound pixel boundary
* @param[in] logicalBound logical boundary
* @param[in] emScale true type scale
*
* @return No return.
*/
void InitTextItem(size_t glyphCount, const QT3DSU32 *glyphIDs,
NVRenderPathFormatType::Enum type, QT3DSF32 *posArray, QT3DSVec2 pixelBound,
QT3DSVec2 logicalBound, QT3DSF32 emScale);
/**
* @brief get glyph count
*
* @return get glyph count
*/
size_t GetGlyphsCount() { return m_NumGlyphs; }
/**
* @brief get spacing for char set
*
* @return spacing array
*/
const QT3DSF32 *GetSpacing() { return m_TranslateXY; }
/**
* @brief get name set
*
* @return name set
*/
const void *GetGlyphIDs() { return (void *)m_GlyphIDs; }
/**
* @brief Get Y bound of font metric
*
* @return transform matrix
*/
const QT3DSMat44 GetTransform();
private:
/**
* @brief Get size of type
*
* @param[in] type type ( byte, int,... )
*
* @return true if successful
*/
QT3DSU32 getSizeofType(NVRenderPathFormatType::Enum type);
private:
size_t m_NumGlyphs; ///< glyph count
QT3DSU32 *m_GlyphIDs; ///< array glyph ID's
QT3DSF32 *
m_TranslateXY; ///< pointer to arrray for character advance information like kerning
QT3DSMat44 m_ModelMatrix; ///< Matrix which converts from font space to box space
public:
static NVRenderPathFontItem *CreatePathFontItem(NVRenderContextImpl &context);
};
}
}
#endif
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