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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,89 @@ | ||
| # Source: https://gist.github.com/sivachandran/3a0de157dccef822a230#file-bin2h-cmake | ||
| # Added modifications to suit prusaslicer | ||
| include(CMakeParseArguments) | ||
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| # Function to wrap a given string into multiple lines at the given column position. | ||
| # Parameters: | ||
| # VARIABLE - The name of the CMake variable holding the string. | ||
| # AT_COLUMN - The column position at which string will be wrapped. | ||
| function(WRAP_STRING) | ||
| set(oneValueArgs VARIABLE AT_COLUMN) | ||
| cmake_parse_arguments(WRAP_STRING "${options}" "${oneValueArgs}" "" ${ARGN}) | ||
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| string(LENGTH ${${WRAP_STRING_VARIABLE}} stringLength) | ||
| math(EXPR offset "0") | ||
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|
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| while(stringLength GREATER 0) | ||
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| if(stringLength GREATER ${WRAP_STRING_AT_COLUMN}) | ||
| math(EXPR length "${WRAP_STRING_AT_COLUMN}") | ||
| else() | ||
| math(EXPR length "${stringLength}") | ||
| endif() | ||
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||
| string(SUBSTRING ${${WRAP_STRING_VARIABLE}} ${offset} ${length} line) | ||
| set(lines "${lines}\n${line}") | ||
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| math(EXPR stringLength "${stringLength} - ${length}") | ||
| math(EXPR offset "${offset} + ${length}") | ||
| endwhile() | ||
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||
| set(${WRAP_STRING_VARIABLE} "${lines}" PARENT_SCOPE) | ||
| endfunction() | ||
|
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||
| # Function to embed contents of a file as byte array in C/C++ header file(.h). The header file | ||
| # will contain a byte array and integer variable holding the size of the array. | ||
| # Parameters | ||
| # SOURCE_FILE - The path of source file whose contents will be embedded in the header file. | ||
| # VARIABLE_NAME - The name of the variable for the byte array. The string "_SIZE" will be append | ||
| # to this name and will be used a variable name for size variable. | ||
| # HEADER_FILE - The path of header file. | ||
| # APPEND - If specified appends to the header file instead of overwriting it | ||
| # NULL_TERMINATE - If specified a null byte(zero) will be append to the byte array. This will be | ||
| # useful if the source file is a text file and we want to use the file contents | ||
| # as string. But the size variable holds size of the byte array without this | ||
| # null byte. | ||
| # Usage: | ||
| # bin2h(SOURCE_FILE "Logo.png" HEADER_FILE "Logo.h" VARIABLE_NAME "LOGO_PNG") | ||
| function(BIN2H) | ||
| set(options APPEND NULL_TERMINATE ADD_WARNING_TEXT) | ||
| set(oneValueArgs SOURCE_FILE VARIABLE_NAME HEADER_FILE) | ||
| cmake_parse_arguments(BIN2H "${options}" "${oneValueArgs}" "" ${ARGN}) | ||
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||
| # reads source file contents as hex string | ||
| file(READ ${BIN2H_SOURCE_FILE} hexString HEX) | ||
| string(LENGTH ${hexString} hexStringLength) | ||
|
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||
| # appends null byte if asked | ||
| if(BIN2H_NULL_TERMINATE) | ||
| set(hexString "${hexString}00") | ||
| endif() | ||
|
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||
| # wraps the hex string into multiple lines at column 32(i.e. 16 bytes per line) | ||
| wrap_string(VARIABLE hexString AT_COLUMN 32) | ||
| math(EXPR arraySize "${hexStringLength} / 2") | ||
|
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||
| # adds '0x' prefix and comma suffix before and after every byte respectively | ||
| string(REGEX REPLACE "([0-9a-f][0-9a-f])" "0x\\1, " arrayValues ${hexString}) | ||
| # removes trailing comma | ||
| string(REGEX REPLACE ", $" "" arrayValues ${arrayValues}) | ||
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||
| # converts the variable name into proper C identifier | ||
| string(MAKE_C_IDENTIFIER "${BIN2H_VARIABLE_NAME}" BIN2H_VARIABLE_NAME) | ||
| # string(TOUPPER "${BIN2H_VARIABLE_NAME}" BIN2H_VARIABLE_NAME) | ||
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||
| # declares byte array and the length variables | ||
| set(arrayDefinition "const unsigned char ${BIN2H_VARIABLE_NAME}[] = { ${arrayValues} };") | ||
| set(arraySizeDefinition "const size_t ${BIN2H_VARIABLE_NAME}_SIZE = ${arraySize};") | ||
| set(warnTxt "") | ||
| if (BIN2H_ADD_WARNING_TEXT) | ||
| set(warnTxt "/* WARN: This file is auto-generated from ${BIN2H_SOURCE_FILE} */\n") | ||
| endif () | ||
|
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||
| set(declarations "${warnTxt}${arrayDefinition}\n\n${arraySizeDefinition}\n\n") | ||
| if(BIN2H_APPEND) | ||
| file(APPEND ${BIN2H_HEADER_FILE} "${declarations}") | ||
| else() | ||
| file(WRITE ${BIN2H_HEADER_FILE} "${declarations}") | ||
| endif() | ||
| endfunction() |
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