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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.
**
** $QT_END_LICENSE$
**
****************************************************************************/
#include "render/Qt3DSRenderPathFontSpecification.h"
#include "render/Qt3DSRenderPathFontText.h"
#include "render/Qt3DSRenderBaseTypes.h"
#include "render/Qt3DSRenderContext.h"
namespace qt3ds {
namespace render {
NVRenderPathFontSpecification::NVRenderPathFontSpecification(NVRenderContextImpl &context,
NVFoundationBase &fnd,
CRegisteredString fontName)
: m_Context(context)
, m_Foundation(fnd)
, m_Backend(context.GetBackend())
, mRefCount(0)
, m_NumFontGlyphs(0)
, m_EmScale(2048) // 2048 is default true type scale
, m_Type(NVRenderPathFormatType::UByte)
, m_TransformType(NVRenderPathTransformType::Translate2D)
, m_FontName(fontName)
{
}
NVRenderPathFontSpecification::~NVRenderPathFontSpecification()
{
m_Context.ReleasePathFontSpecification(*this);
}
void NVRenderPathFontSpecification::LoadPathGlyphs(const char *fontName,
NVRenderPathFormatType::Enum type)
{
// check if we already created it
if (m_NumFontGlyphs)
return;
m_Type = type;
// create fonts based on the input
m_PathRenderHandle = m_Backend->LoadPathGlyphsIndexedRange(
NVRenderPathFontTarget::FileFont, fontName, NVRenderPathFontStyleFlags(), 0, m_EmScale,
&m_NumFontGlyphs);
// Fallback in case the previuos call fails
// This is a no-op if the previous call succeeds
// Note that sans is an inbuild driver font
if (!m_PathRenderHandle) {
m_PathRenderHandle = m_Backend->LoadPathGlyphsIndexedRange(
NVRenderPathFontTarget::SystemFont, "Arial", NVRenderPathFontStyleFlags(), 0,
m_EmScale, &m_NumFontGlyphs);
}
// we should have some glyphs
QT3DS_ASSERT(m_NumFontGlyphs);
}
void
NVRenderPathFontSpecification::StencilFillPathInstanced(NVRenderPathFontItem &inPathFontItem)
{
const void *glyphIDs = inPathFontItem.GetGlyphIDs();
const QT3DSF32 *spacing = inPathFontItem.GetSpacing();
if (!glyphIDs || !spacing || !inPathFontItem.GetGlyphsCount()) {
QT3DS_ASSERT(false || !inPathFontItem.GetGlyphsCount());
return;
}
m_Backend->StencilFillPathInstanced(m_PathRenderHandle, inPathFontItem.GetGlyphsCount(),
m_Type, glyphIDs, NVRenderPathFillMode::Fill, 0xFF,
m_TransformType, spacing);
}
void NVRenderPathFontSpecification::CoverFillPathInstanced(NVRenderPathFontItem &inPathFontItem)
{
const void *glyphIDs = inPathFontItem.GetGlyphIDs();
const QT3DSF32 *spacing = inPathFontItem.GetSpacing();
if (!glyphIDs || !spacing || !inPathFontItem.GetGlyphsCount()) {
QT3DS_ASSERT(false || !inPathFontItem.GetGlyphsCount());
return;
}
m_Backend->CoverFillPathInstanced(
m_PathRenderHandle, inPathFontItem.GetGlyphsCount(), m_Type, glyphIDs,
NVRenderPathCoverMode::BoundingBoxOfBoundingBox, m_TransformType, spacing);
}
QT3DSU32
NVRenderPathFontSpecification::getSizeofType(NVRenderPathFormatType::Enum type)
{
switch (type) {
case NVRenderPathFormatType::Byte:
return sizeof(QT3DSI8);
case NVRenderPathFormatType::UByte:
return sizeof(QT3DSU8);
case NVRenderPathFormatType::Bytes2:
return sizeof(QT3DSU16);
case NVRenderPathFormatType::Uint:
return sizeof(QT3DSU32);
case NVRenderPathFormatType::Utf8:
return sizeof(QT3DSU32);
default:
QT3DS_ASSERT(false);
return 1;
}
}
NVRenderPathFontSpecification *
NVRenderPathFontSpecification::CreatePathFontSpecification(NVRenderContextImpl &context,
CRegisteredString fontName)
{
QT3DS_ASSERT(context.IsPathRenderingSupported());
return QT3DS_NEW(context.GetFoundation().getAllocator(),
NVRenderPathFontSpecification)(context, context.GetFoundation(), fontName);
}
}
}
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