CBitmapLoaderComp.h

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// SPDX-License-Identifier: LGPL-2.1-or-later OR GPL-2.0-or-later OR GPL-3.0-or-later OR LicenseRef-ACF-Commercial
#pragma once
 
 
// Qt includes
#include <QtCore/QDir>
#include <QtCore/QStringList>
 
// ACF includes
#include <ifile/IFilePersistence.h>
#include <ifile/IDeviceBasedPersistence.h>
#include <icomp/CComponentBase.h>
#include <ilog/TLoggerCompWrap.h>
#include <iimg/iimg.h>
 
 
namespace iimg
{
 
 
class CBitmapLoaderComp:
                     public QObject,
                     public ilog::CLoggerComponentBase,
                     virtual public ifile::IFilePersistence,
                     virtual public ifile::IDeviceBasedPersistence
{
       Q_OBJECT
 
public:
       typedef ilog::CLoggerComponentBase BaseClass;
 
       enum MessageId
       {
              MI_BAD_FORMAT = 0xe1a7d0
       };
 
       I_BEGIN_COMPONENT(CBitmapLoaderComp);
              I_REGISTER_INTERFACE(ifile::IFileTypeInfo);
              I_REGISTER_INTERFACE(ifile::IFilePersistence);
              I_REGISTER_INTERFACE(ifile::IDeviceBasedPersistence);
              I_ASSIGN_MULTI_0(m_extensionFilterAttrPtr, "ExtensionFilter", "Optional filter of extensions, lowercase as returned by Qt", false)
       I_END_COMPONENT;
 
       // reimplemented (ifile::IFilePersistence)
       virtual bool IsOperationSupported(
                            const istd::IChangeable* dataObjectPtr,
                            const QString* filePathPtr = NULL,
                            int flags = -1,
                            bool beQuiet = true) const override;
       virtual ifile::IFilePersistence::OperationState LoadFromFile(
                            istd::IChangeable& data,
                            const QString& filePath = QString(),
                            ibase::IProgressManager* progressManagerPtr = NULL) const override;
       virtual ifile::IFilePersistence::OperationState SaveToFile(
                            const istd::IChangeable& data,
                            const QString& filePath = QString(),
                            ibase::IProgressManager* progressManagerPtr = NULL) const override;
 
       // reimplemented (ifile::IDeviceBasedPersistence)
       virtual bool IsDeviceOperationSupported(
                            const istd::IChangeable& dataObject,
                            const QIODevice& device,
                            int deviceOperation) const override;
       virtual ifile::IDeviceBasedPersistence::OperationState ReadFromDevice(
                            istd::IChangeable& data,
                            QIODevice& device,
                            ibase::IProgressManager* progressManagerPtr = nullptr) const override;
       virtual ifile::IDeviceBasedPersistence::OperationState WriteToDevice(
                            const istd::IChangeable& data,
                            QIODevice& device,
                            ibase::IProgressManager* progressManagerPtr = nullptr) const override;
 
       // reimplemented (ifile::IFileTypeInfo)
       virtual bool GetFileExtensions(
              QStringList& result, 
              const istd::IChangeable* dataObjectPtr = NULL, 
              int flags = -1, 
              bool doAppend = false) const override;
 
       virtual QString GetTypeDescription(const QString* extensionPtr = NULL) const override;
 
protected:
       bool IsOperationSupportedIntern(
                            const istd::IChangeable* dataObjectPtr,
                            const QString* filePathPtr,
                            bool forLoading,
                            bool forSaving,
                            bool useLog) const;
 
private:
       I_MULTIATTR(QByteArray, m_extensionFilterAttrPtr);
};
 
 
} // namespace iimg