1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
/****************************************************************************
**
** Copyright (C) 1993-2009 NVIDIA Corporation.
** Copyright (C) 2017 The Qt Company Ltd.
** Contact: https://www.qt.io/licensing/
**
** This file is part of Qt 3D Studio.
**
** $QT_BEGIN_LICENSE:GPL-EXCEPT$
** 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 as published by the Free Software
** Foundation with exceptions as appearing in the file LICENSE.GPL3-EXCEPT
** 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 "Qt3DSImportLibPrecompile.h"
#include "Qt3DSImportPath.h"
#include "foundation/Qt3DSBroadcastingAllocator.h"
#include "foundation/Qt3DSAtomic.h"
using namespace qt3dsimp;
void SPathBuffer::Save(IOutStream &outStream) const
{
outStream.Write(GetFileTag());
outStream.Write(GetFileVersion());
outStream.Write((QT3DSU32)m_Commands.size());
outStream.Write((QT3DSU32)m_Data.size());
outStream.Write(toU8ConstDataRef((PathCommand::Enum *)m_Commands.begin(), m_Commands.size()));
outStream.Write(toU8ConstDataRef((QT3DSF32 *)m_Data.begin(), m_Data.size()));
}
SPathBuffer *SPathBuffer::Load(IInStream &inStream, NVFoundationBase &inFoundation)
{
QT3DSU64 fileTag;
QT3DSU32 version, numCommands, numData;
inStream.Read(fileTag);
inStream.Read(version);
inStream.Read(numCommands);
inStream.Read(numData);
if (fileTag != GetFileTag()) {
qCCritical(INVALID_OPERATION, "Invalid file, not a path file");
return NULL;
}
if (version > GetFileVersion()) {
qCCritical(INVALID_OPERATION, "Version number out of range.");
return NULL;
}
QT3DSU32 commandSize = numCommands * sizeof(QT3DSU32);
QT3DSU32 dataSize = numData * sizeof(QT3DSF32);
QT3DSU32 objectSize = sizeof(SPathBuffer);
QT3DSU32 allocSize = objectSize + commandSize + dataSize;
QT3DSU8 *rawData =
(QT3DSU8 *)inFoundation.getAllocator().allocate(allocSize, "SPathBuffer", __FILE__, __LINE__);
SPathBuffer *retval = new (rawData) SPathBuffer();
QT3DSU8 *commandBuffer = rawData + sizeof(SPathBuffer);
QT3DSU8 *dataBuffer = commandBuffer + commandSize;
inStream.Read(commandBuffer, commandSize);
inStream.Read(dataBuffer, dataSize);
retval->m_Commands = toDataRef((PathCommand::Enum *)commandBuffer, numCommands);
retval->m_Data = toDataRef((QT3DSF32 *)dataBuffer, numData);
return retval;
}
void SPathBuffer::Free(NVAllocatorCallback &inAllocator)
{
inAllocator.deallocate(this);
}
namespace {
struct SBuilder : public IPathBufferBuilder
{
NVFoundationBase &m_Foundation;
nvvector<PathCommand::Enum> m_Commands;
nvvector<QT3DSF32> m_Data;
QT3DSI32 m_RefCount;
SBuilder(NVFoundationBase &inFoundation)
: m_Foundation(inFoundation)
, m_Commands(inFoundation.getAllocator(), "m_Commands")
, m_Data(inFoundation.getAllocator(), "m_Data")
, m_RefCount(0)
{
}
void addRef() override { atomicIncrement(&m_RefCount); }
void release() override
{
atomicDecrement(&m_RefCount);
if (m_RefCount <= 0) {
NVAllocatorCallback &theAlloc(m_Foundation.getAllocator());
NVDelete(theAlloc, this);
}
}
void Clear() override
{
m_Commands.clear();
m_Data.clear();
}
void Push(const QT3DSVec2 inPos)
{
m_Data.push_back(inPos.x);
m_Data.push_back(inPos.y);
}
void MoveTo(const QT3DSVec2 &inPos) override
{
m_Commands.push_back(PathCommand::MoveTo);
Push(inPos);
}
void CubicCurveTo(const QT3DSVec2 &inC1, const QT3DSVec2 &inC2, const QT3DSVec2 &inP2) override
{
m_Commands.push_back(PathCommand::CubicCurveTo);
Push(inC1);
Push(inC2);
Push(inP2);
}
void Close() override { m_Commands.push_back(PathCommand::Close); }
// Points back to internal data structures, must use or copy.
SPathBuffer GetPathBuffer() override
{
SPathBuffer retval;
retval.m_Data = m_Data;
retval.m_Commands = m_Commands;
return retval;
}
};
}
IPathBufferBuilder &IPathBufferBuilder::CreateBuilder(NVFoundationBase &inFoundation)
{
return *QT3DS_NEW(inFoundation.getAllocator(), SBuilder)(inFoundation);
}
|
