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