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@ -23,22 +23,20 @@ |
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# In this directory, a number of different processes are managed: |
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# |
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# 1) PNG files are created from SVG files |
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# 2) CPP files are created from PNG files. |
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# 3) Object files are created from CPP files. |
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# 4) A static library is created from the object files |
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# 1) PNG files are created from SVG files for each icon theme and needed bitmap resolution |
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# 2) An images.tar.gz file is created from all the PNG files |
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# Step 3) is universal and is done for any builder, whereas steps 1) and 2) are |
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# Step 2) is universal and is done for any builder, whereas step 1) is |
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# optional and depend on MAINTAIN_PNGS being defined in CMake. The reason we |
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# can skip 1) and 2) is that the *.CPP files are part of the source tree so |
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# do not need to rebuilt by a typical builder. However, because the *.CPP files |
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# can skip 1) is that the *.PNG files are part of the source tree so |
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# do not need to rebuilt by a typical builder. However, because the *.PNG files |
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# are part of the source tree, and subject to version control, they should be built |
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# only when needed, otherwise this results in a diff for the version control system. |
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# Therefore steps 1) and 2) are driven by CMake (if MAINTAIN_PNGS) which gives |
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# us conditional *.CPP building based on an edit to the respective *.SVG file. |
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# Therefore step 1) is driven by CMake (if MAINTAIN_PNGS) which gives |
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# us conditional *.PNG building based on an edit to the respective *.SVG file. |
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# If MAINTAIN_PNGS is not defined, then you are a normal builder and no special |
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# tools are required. If MAINTAIN_PNG is defined, then you are a PNG maintainer |
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# tools are required. If MAINTAIN_PNGS is defined, then you are a PNG maintainer |
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# and will need the following tools findable in your PATH: |
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# |
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# 1) inkscape - command line mode is used, must be on your PATH |
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@ -54,6 +52,7 @@ option( MAINTAIN_PNGS |
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# Used Only to maintain PNG files (and therefore to recreate .cpp files) |
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# The png2cpp creates files with native End of Line format. |
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# List of themes - each corresponds to a folder of SVGS in ./bitmaps_png/sources/ |
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set( THEMES |
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light |
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dark ) |
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@ -608,17 +607,24 @@ function( svg2png inputFile outFile pngWidth pngHeight ) |
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set( logfile "null" ) |
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endif() |
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if( ${pngWidth} EQUAL -1 ) |
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set( sizeArgs --export-area-page ) |
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else() |
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set( sizeArgs -w ${pngWidth} -h ${pngHeight} ) |
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endif() |
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add_custom_command( |
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OUTPUT ${outFile} |
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# this Inkscape command line is for old Inkscape version < 1.0 |
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# COMMAND ${Inkscape_EXECUTABLE} --without-gui --export-area-snap -f ${inputFile} --export-png ${outFile} -w ${pngWidth} -h ${pngHeight} > ${logfile} |
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# this Inkscape command line is for Inkscape >= 1.0 |
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COMMAND ${Inkscape_EXECUTABLE} --export-area-snap --export-type="png" ${inputFile} --export-filename ${outFile} |
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-w ${pngWidth} -h ${pngHeight} > ${logfile} |
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COMMAND ${Inkscape_EXECUTABLE} --export-area-snap --export-type=png ${inputFile} |
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--export-filename ${outFile} ${sizeArgs} > ${logfile} |
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DEPENDS ${inputFile} |
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COMMENT "Creating ${pngHeight} pixel tall ${outFile}" |
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VERBATIM |
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) |
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endfunction() |
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@ -661,8 +667,10 @@ endfunction() |
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# Function bitmap_dir |
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# converts all the basenames in bmapList found in hardcoded 'sources' dir |
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# and and puts them into cpp_${pngHeight} and png_${pngHeight} directories. |
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# Creates build targets for all the source SVGs in the given list, output at the given resolution |
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# Will create targets for each theme in the THEMES list. |
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# A height of -1 means to export with the page area rather than scaling to a given resolution. |
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# This is used for the BMAPS_OTHER list which have varying output sizes. |
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function( bitmap_dir pngWidth pngHeight bmapList ) |
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set( pngDir "${CMAKE_CURRENT_SOURCE_DIR}/png" ) |
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@ -679,10 +687,16 @@ function( bitmap_dir pngWidth pngHeight bmapList ) |
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set( themeTag "" ) |
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endif() |
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if( ${pngHeight} EQUAL -1 ) |
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set( heightTag "" ) |
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else() |
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set( heightTag "_${pngHeight}" ) |
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endif() |
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foreach( bmn ${bmapList} ) |
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set( svgFile "${CMAKE_CURRENT_SOURCE_DIR}/sources/${theme}/${bmn}.svg" ) |
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set( pngFile "${bmn}${themeTag}_${pngHeight}.png" ) |
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set( pngFile "${bmn}${themeTag}${heightTag}.png" ) |
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set( pngPath "${pngDir}/${pngFile}" ) |
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set( tmpFile "${TMP_DIR}/${pngFile}" ) |
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@ -795,6 +809,8 @@ if( MAINTAIN_PNGS ) |
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bitmap_dir( 48 48 "${BMAPS_BIG}" ) |
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bitmap_dir( -1 -1 "${BMAPS_OTHER}" ) |
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configure_file( ${BITMAP_INFO_TEMPLATE} ${BITMAP_INFO_FILE} NEWLINE_STYLE UNIX ) |
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add_custom_target( generate_pngs ALL |
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Jon Evans
5 years ago