00001 /*! \file 00002 \author victorien ferry & www.m4nkind.com 00003 \brief This file applies the GNU LESSER GENERAL PUBLIC LICENSE Version 2.1 , read file COPYING. 00004 */ 00005 #ifndef COM_M4NKIND_ImageJPEG_H 00006 #define COM_M4NKIND_ImageJPEG_H 00007 00008 #include "VirtualImage.h" 00009 #include "PackResource.h" 00010 #include "PackULong_Flags.h" 00011 #include "PackObjectReference.h" 00012 00013 /*! 00014 \class ImageJPEG 00015 \ingroup BaseObjectInherited_VedaLibImageJPEG 00016 \brief Use JPEG file format to manage an image. 00017 */ 00018 00019 class ImageJPEG : public VirtualImage 00020 { 00021 /*================================================================== 00022 PUBLIC 00023 ==================================================================*/ 00024 public: 00025 /*! 00026 \brief Constructor. There should only be members initialisation there. 00027 */ 00028 ImageJPEG(void); 00029 00030 /*! 00031 \brief Class Inheritance Descriptors. Also forces a destructor. See BASEOBJECT_DECLARE_... in .cpp 00032 */ 00033 BASEOBJECT_DEFINE_CLASS(ImageJPEG); 00034 00035 /*! 00036 \brief Return the number of byte component for one pixel. 00037 This one is no more a virtual method. 00038 */ 00039 virtual unsigned int GetByteDepth(); 00040 00041 /*! 00042 \brief Return the pixel width of the image 00043 */ 00044 virtual unsigned int GetPixelWidth(); 00045 /*! 00046 \brief Return the pixel height of the image 00047 */ 00048 virtual unsigned int GetPixelHeight(); 00049 00050 /*================================================================== 00051 PROTECTED 00052 ==================================================================*/ 00053 protected: 00054 //! resource file: 00055 PackResource mSer_JPEGFile; 00056 //! flags for alpha management. 00057 enum { 00058 b_LumToAlpha=1, 00059 b_GreyOnly=2, 00060 }; 00061 //! flags for alpha management. 00062 PackULong_Flags mSer_Flags; 00063 00064 //! optionnal alpha layer 00065 PackObjectReference mSer_ReferenceAlpha; 00066 //! the pixel size, computed from file: 00067 unsigned int m_PixelWidth; 00068 //! the pixel size, computed from file: 00069 unsigned int m_PixelHeight; 00070 /*! 00071 \brief Method that really build the object using the serializable parameters. 00072 Close() should close everything opened by Create(). 00073 Mix one or more GreyImage into a RGBA bitmap. 00074 \return false if creation failed. 00075 */ 00076 virtual bool CreateInternal(void); 00077 00078 }; 00079 00080 #endif
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