Panda3D
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00001 // Filename: pnmFileTypeSoftImage.h 00002 // Created by: drose (17Jun00) 00003 // 00004 //////////////////////////////////////////////////////////////////// 00005 // 00006 // PANDA 3D SOFTWARE 00007 // Copyright (c) Carnegie Mellon University. All rights reserved. 00008 // 00009 // All use of this software is subject to the terms of the revised BSD 00010 // license. You should have received a copy of this license along 00011 // with this source code in a file named "LICENSE." 00012 // 00013 //////////////////////////////////////////////////////////////////// 00014 00015 #ifndef PNMFILETYPESOFTIMAGE_H 00016 #define PNMFILETYPESOFTIMAGE_H 00017 00018 #include "pandabase.h" 00019 00020 #ifdef HAVE_SOFTIMAGE_PIC 00021 00022 #include "pnmFileType.h" 00023 #include "pnmReader.h" 00024 #include "pnmWriter.h" 00025 00026 //////////////////////////////////////////////////////////////////// 00027 // Class : PNMFileTypeSoftImage 00028 // Description : For reading and SoftImage native image files. 00029 //////////////////////////////////////////////////////////////////// 00030 class EXPCL_PANDA_PNMIMAGETYPES PNMFileTypeSoftImage : public PNMFileType { 00031 public: 00032 PNMFileTypeSoftImage(); 00033 00034 virtual string get_name() const; 00035 00036 virtual int get_num_extensions() const; 00037 virtual string get_extension(int n) const; 00038 virtual string get_suggested_extension() const; 00039 00040 virtual bool has_magic_number() const; 00041 virtual bool matches_magic_number(const string &magic_number) const; 00042 00043 virtual PNMReader *make_reader(istream *file, bool owns_file = true, 00044 const string &magic_number = string()); 00045 virtual PNMWriter *make_writer(ostream *file, bool owns_file = true); 00046 00047 public: 00048 class Reader : public PNMReader { 00049 public: 00050 Reader(PNMFileType *type, istream *file, bool owns_file, string magic_number); 00051 00052 virtual bool supports_read_row() const; 00053 virtual bool read_row(xel *array, xelval *alpha, int x_size, int y_size); 00054 00055 private: 00056 enum { unknown, rgb, rgba, rgb_a } soft_color; 00057 int rgb_ctype, alpha_ctype; 00058 }; 00059 00060 class Writer : public PNMWriter { 00061 public: 00062 Writer(PNMFileType *type, ostream *file, bool owns_file); 00063 00064 virtual bool supports_write_row() const; 00065 virtual bool write_header(); 00066 virtual bool write_row(xel *array, xelval *alpha); 00067 }; 00068 00069 00070 // The TypedWritable interface follows. 00071 public: 00072 static void register_with_read_factory(); 00073 00074 protected: 00075 static TypedWritable *make_PNMFileTypeSoftImage(const FactoryParams ¶ms); 00076 00077 public: 00078 static TypeHandle get_class_type() { 00079 return _type_handle; 00080 } 00081 static void init_type() { 00082 PNMFileType::init_type(); 00083 register_type(_type_handle, "PNMFileTypeSoftImage", 00084 PNMFileType::get_class_type()); 00085 } 00086 virtual TypeHandle get_type() const { 00087 return get_class_type(); 00088 } 00089 virtual TypeHandle force_init_type() {init_type(); return get_class_type();} 00090 00091 private: 00092 static TypeHandle _type_handle; 00093 }; 00094 00095 #endif // HAVE_SOFTIMAGE_PIC 00096 00097 #endif 00098 00099