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39
40#ifndef ASSIMPHELPERS_H
41#define ASSIMPHELPERS_H
42
43//
44// W A R N I N G
45// -------------
46//
47// This file is not part of the Qt API. It exists for the convenience
48// of other Qt classes. This header file may change from version to
49// version without notice, or even be removed.
50//
51// We mean it.
52//
53
54// ASSIMP INCLUDES
55#include <assimp/IOStream.hpp>
56#include <assimp/IOSystem.hpp>
57#include <QtCore/QIODevice>
58
59QT_BEGIN_NAMESPACE
60
61namespace Qt3DRender {
62namespace AssimpHelper {
63
64//CUSTOM FILE STREAM
65class AssimpIOStream : public Assimp::IOStream
66{
67public :
68 AssimpIOStream(QIODevice *device);
69 ~AssimpIOStream();
70
71 size_t Read(void *pvBuffer, size_t pSize, size_t pCount) override;
72 size_t Write(const void *pvBuffer, size_t pSize, size_t pCount) override;
73 aiReturn Seek(size_t pOffset, aiOrigin pOrigin) override;
74 size_t Tell() const override;
75 size_t FileSize() const override;
76 void Flush() override;
77
78private:
79 QIODevice *const m_device;
80};
81
82//CUSTOM FILE IMPORTER TO HANDLE QT RESOURCES WITHIN ASSIMP
83class AssimpIOSystem : public Assimp::IOSystem
84{
85public :
86 bool Exists(const char *pFile) const override;
87 char getOsSeparator() const override;
88 Assimp::IOStream *Open(const char *pFile, const char *pMode) override;
89 void Close(Assimp::IOStream *pFile) override;
90};
91
92} // namespace AssimpHelper
93} // namespace Qt3DRender
94
95QT_END_NAMESPACE
96
97#endif // ASSIMPHELPERS_H
98

source code of qt3d/src/plugins/sceneparsers/assimp/assimphelpers.h