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81 lines
2.7 KiB
81 lines
2.7 KiB
# This program source code file is part of KICAD, a free EDA CAD application.
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#
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# Copyright (C) 2011 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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# Copyright (C) 2011 Kicad Developers, see change_log.txt for contributors#.
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#
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# This program is free software; you can redistribute it and/or
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# modify it under the terms of the GNU General Public License
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# as published by the Free Software Foundation; either version 2
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# of the License, or (at your option) any later version.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, you may find one here:
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# http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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# or you may search the http://www.gnu.org website for the version 2 license,
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# or you may write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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#
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#############################################################################
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#
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# This script converts a *.png file into a *.cpp file.
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# The *.cpp file will contain a BITMAP_DEF structure, which is simply a byte
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# array and a length of bytes which were found in the *.png file.
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#
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#
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# Invocation Parameters are: inputFile, outCppFile
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#
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# inputFile - Required, full path and file name of the input PNG file
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#
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# outCppFile - Required, full path and file name of where to save the
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# generated cpp file.
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file( READ ${inputFile} file_contents HEX )
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get_filename_component( png_name "${inputFile}" NAME_WE )
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# split into pairs of ASCII, where each pair gives a single byte's value
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string( REGEX MATCHALL "[0-9a-fA-F][0-9a-fA-F]" byte_list ${file_contents} )
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set( output_begin "
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/* Do not modify this file, it was automatically generated by the
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* PNG2cpp CMake script, using a *.png file as input.
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*/
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#include <bitmaps.h>
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static const unsigned char png[] = {"
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)
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set( output_end "};
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const BITMAP_OPAQUE ${png_name}_xpm[1] = {{ png, sizeof( png ), \"${png_name}_xpm\" }};
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//EOF
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" )
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set( byte_count 0 )
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set( byte_array "" )
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foreach( byte ${byte_list} )
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math( EXPR modulus "${byte_count} % 16" )
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if( modulus EQUAL 0 )
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set( byte_array "${byte_array}\n" )
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endif()
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set( byte_array "${byte_array} 0x${byte}," )
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math( EXPR byte_count "${byte_count} + 1" )
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endforeach()
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set( byte_array "${byte_array}\n" )
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file( WRITE ${outCppFile} "${output_begin}" )
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file( APPEND ${outCppFile} "${byte_array}" )
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file( APPEND ${outCppFile} "${output_end}" )
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