Claw
1.7.3
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00001 /* 00002 CLAW - a C++ Library Absolutely Wonderful 00003 00004 CLAW is a free library without any particular aim but being useful to 00005 anyone. 00006 00007 Copyright (C) 2005-2011 Julien Jorge 00008 00009 This library is free software; you can redistribute it and/or 00010 modify it under the terms of the GNU Lesser General Public 00011 License as published by the Free Software Foundation; either 00012 version 2.1 of the License, or (at your option) any later version. 00013 00014 This library is distributed in the hope that it will be useful, 00015 but WITHOUT ANY WARRANTY; without even the implied warranty of 00016 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00017 Lesser General Public License for more details. 00018 00019 You should have received a copy of the GNU Lesser General Public 00020 License along with this library; if not, write to the Free Software 00021 Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA 00022 00023 contact: julien.jorge@gamned.org 00024 */ 00030 #include <claw/targa.hpp> 00031 #include <claw/exception.hpp> 00032 00033 00034 //********************** targa::writer::file_output_buffer ********************* 00035 00036 00037 00038 00039 namespace claw 00040 { 00041 namespace graphic 00042 { 00043 /*------------------------------------------------------------------------*/ 00051 template< > 00052 void targa::writer::file_output_buffer<claw::graphic::rgba_pixel_8>:: 00053 order_pixel_bytes( const pixel_type& p ) 00054 { 00055 m_stream << p.components.blue << p.components.green 00056 << p.components.red << p.components.alpha; 00057 } // targa::writer::file_output_buffer::order_pixel_bytes() 00058 } // namespace graphic 00059 } // namespace claw 00060 00061 00062 //************************** targa::writer::writer ***************************** 00063 00064 00065 00066 00067 /*----------------------------------------------------------------------------*/ 00072 claw::graphic::targa::writer::writer( const image& img ) 00073 : m_image(img) 00074 { 00075 00076 } // targa::writer::writer() 00077 00078 /*----------------------------------------------------------------------------*/ 00085 claw::graphic::targa::writer::writer 00086 ( const image& img, std::ostream& f, bool rle ) 00087 : m_image(img) 00088 { 00089 save(f, rle); 00090 } // targa::writer::writer() 00091 00092 /*----------------------------------------------------------------------------*/ 00098 void claw::graphic::targa::writer::save( std::ostream& os, bool rle ) const 00099 { 00100 header h( m_image.width(), m_image.height() ); 00101 00102 if (rle) 00103 h.image_type = rle_true_color; 00104 else 00105 h.image_type = true_color; 00106 00107 os.write( reinterpret_cast<char*>(&h), sizeof(header) ); 00108 00109 if (rle) 00110 save_rle_true_color(os); 00111 else 00112 save_true_color(os); 00113 00114 footer f; 00115 os.write( reinterpret_cast<char*>(&f), sizeof(footer) ); 00116 } // targa::writer::save() 00117 00118 /*----------------------------------------------------------------------------*/ 00123 void claw::graphic::targa::writer::save_true_color( std::ostream& os ) const 00124 { 00125 file_output_buffer<rgba_pixel_8> output_buffer(os); 00126 00127 for (const_iterator it=m_image.begin(); it!=m_image.end(); ++it) 00128 output_buffer.order_pixel_bytes(*it); 00129 } // targa::writer::save_true_color() 00130 00131 /*----------------------------------------------------------------------------*/ 00136 void claw::graphic::targa::writer::save_rle_true_color( std::ostream& os ) const 00137 { 00138 rle32_encoder encoder; 00139 rle32_encoder::output_buffer_type output_buffer(os); 00140 00141 for ( unsigned int y=0; y!=m_image.height(); ++y ) 00142 encoder.encode( m_image[y].begin(), m_image[y].end(), output_buffer ); 00143 } // targa::writer::save_rle_true_color()