264 lines
9.8 KiB
CMake
264 lines
9.8 KiB
CMake
#.rst:
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# FindImageMagick
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# ---------------
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#
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# Find the ImageMagick binary suite.
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#
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# This module will search for a set of ImageMagick tools specified as
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# components in the FIND_PACKAGE call. Typical components include, but
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# are not limited to (future versions of ImageMagick might have
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# additional components not listed here):
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#
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# ::
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#
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# animate
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# compare
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# composite
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# conjure
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# convert
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# display
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# identify
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# import
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# mogrify
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# montage
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# stream
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#
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#
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#
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# If no component is specified in the FIND_PACKAGE call, then it only
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# searches for the ImageMagick executable directory. This code defines
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# the following variables:
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#
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# ::
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#
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# ImageMagick_FOUND - TRUE if all components are found.
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# ImageMagick_EXECUTABLE_DIR - Full path to executables directory.
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# ImageMagick_<component>_FOUND - TRUE if <component> is found.
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# ImageMagick_<component>_EXECUTABLE - Full path to <component> executable.
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# ImageMagick_VERSION_STRING - the version of ImageMagick found
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# (since CMake 2.8.8)
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#
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#
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#
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# ImageMagick_VERSION_STRING will not work for old versions like 5.2.3.
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#
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# There are also components for the following ImageMagick APIs:
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#
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# ::
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#
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# Magick++
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# MagickWand
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# MagickCore
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#
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#
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#
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# For these components the following variables are set:
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#
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# ::
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#
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# ImageMagick_FOUND - TRUE if all components are found.
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# ImageMagick_INCLUDE_DIRS - Full paths to all include dirs.
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# ImageMagick_LIBRARIES - Full paths to all libraries.
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# ImageMagick_<component>_FOUND - TRUE if <component> is found.
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# ImageMagick_<component>_INCLUDE_DIRS - Full path to <component> include dirs.
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# ImageMagick_<component>_LIBRARIES - Full path to <component> libraries.
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#
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#
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#
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# Example Usages:
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#
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# ::
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#
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# find_package(ImageMagick)
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# find_package(ImageMagick COMPONENTS convert)
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# find_package(ImageMagick COMPONENTS convert mogrify display)
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# find_package(ImageMagick COMPONENTS Magick++)
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# find_package(ImageMagick COMPONENTS Magick++ convert)
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#
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#
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#
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# Note that the standard FIND_PACKAGE features are supported (i.e.,
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# QUIET, REQUIRED, etc.).
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#=============================================================================
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# Copyright 2007-2009 Kitware, Inc.
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# Copyright 2007-2008 Miguel A. Figueroa-Villanueva <miguelf at ieee dot org>
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# Copyright 2012 Rolf Eike Beer <eike@sf-mail.de>
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#
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# Distributed under the OSI-approved BSD License (the "License");
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# see accompanying file Copyright.txt for details.
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#
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# This software is distributed WITHOUT ANY WARRANTY; without even the
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# implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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# See the License for more information.
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#=============================================================================
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# (To distribute this file outside of CMake, substitute the full
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# License text for the above reference.)
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#---------------------------------------------------------------------
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# Helper functions
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#---------------------------------------------------------------------
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function(FIND_IMAGEMAGICK_API component header)
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set(ImageMagick_${component}_FOUND FALSE PARENT_SCOPE)
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find_path(ImageMagick_${component}_INCLUDE_DIR
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NAMES ${header}
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PATHS
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${ImageMagick_INCLUDE_DIRS}
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"[HKEY_LOCAL_MACHINE\\SOFTWARE\\ImageMagick\\Current;BinPath]/include"
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PATH_SUFFIXES
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ImageMagick ImageMagick-6
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DOC "Path to the ImageMagick include dir."
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)
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find_library(ImageMagick_${component}_LIBRARY
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NAMES ${ARGN}
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PATHS
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"[HKEY_LOCAL_MACHINE\\SOFTWARE\\ImageMagick\\Current;BinPath]/lib"
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DOC "Path to the ImageMagick Magick++ library."
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)
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if(ImageMagick_${component}_INCLUDE_DIR AND ImageMagick_${component}_LIBRARY)
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set(ImageMagick_${component}_FOUND TRUE PARENT_SCOPE)
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list(APPEND ImageMagick_INCLUDE_DIRS
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${ImageMagick_${component}_INCLUDE_DIR}
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)
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list(REMOVE_DUPLICATES ImageMagick_INCLUDE_DIRS)
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set(ImageMagick_INCLUDE_DIRS ${ImageMagick_INCLUDE_DIRS} PARENT_SCOPE)
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list(APPEND ImageMagick_LIBRARIES
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${ImageMagick_${component}_LIBRARY}
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)
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set(ImageMagick_LIBRARIES ${ImageMagick_LIBRARIES} PARENT_SCOPE)
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endif()
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endfunction()
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function(FIND_IMAGEMAGICK_EXE component)
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set(_IMAGEMAGICK_EXECUTABLE
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${ImageMagick_EXECUTABLE_DIR}/${component}${CMAKE_EXECUTABLE_SUFFIX})
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if(EXISTS ${_IMAGEMAGICK_EXECUTABLE})
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set(ImageMagick_${component}_EXECUTABLE
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${_IMAGEMAGICK_EXECUTABLE}
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PARENT_SCOPE
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)
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set(ImageMagick_${component}_FOUND TRUE PARENT_SCOPE)
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else()
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set(ImageMagick_${component}_FOUND FALSE PARENT_SCOPE)
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endif()
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endfunction()
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#---------------------------------------------------------------------
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# Start Actual Work
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#---------------------------------------------------------------------
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# Try to find a ImageMagick installation binary path.
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find_path(ImageMagick_EXECUTABLE_DIR
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NAMES mogrify${CMAKE_EXECUTABLE_SUFFIX}
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PATHS
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"[HKEY_LOCAL_MACHINE\\SOFTWARE\\ImageMagick\\Current;BinPath]"
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DOC "Path to the ImageMagick binary directory."
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NO_DEFAULT_PATH
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)
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find_path(ImageMagick_EXECUTABLE_DIR
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NAMES mogrify${CMAKE_EXECUTABLE_SUFFIX}
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)
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# Find each component. Search for all tools in same dir
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# <ImageMagick_EXECUTABLE_DIR>; otherwise they should be found
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# independently and not in a cohesive module such as this one.
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unset(ImageMagick_REQUIRED_VARS)
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unset(ImageMagick_DEFAULT_EXECUTABLES)
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foreach(component ${ImageMagick_FIND_COMPONENTS}
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# DEPRECATED: forced components for backward compatibility
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convert mogrify import montage composite
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)
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if(component STREQUAL "Magick++")
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FIND_IMAGEMAGICK_API(Magick++ Magick++.h
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Magick++ CORE_RL_Magick++_ Magick++-6.Q16 Magick++-Q16 Magick++-6.Q8 Magick++-Q8 Magick++-6.Q16HDRI Magick++-Q16HDRI Magick++-6.Q8HDRI Magick++-Q8HDRI
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)
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list(APPEND ImageMagick_REQUIRED_VARS ImageMagick_Magick++_LIBRARY)
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elseif(component STREQUAL "MagickWand")
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FIND_IMAGEMAGICK_API(MagickWand wand/MagickWand.h
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Wand MagickWand CORE_RL_wand_ MagickWand-6.Q16 MagickWand-Q16 MagickWand-6.Q8 MagickWand-Q8 MagickWand-6.Q16HDRI MagickWand-Q16HDRI MagickWand-6.Q8HDRI MagickWand-Q8HDRI
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)
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list(APPEND ImageMagick_REQUIRED_VARS ImageMagick_MagickWand_LIBRARY)
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elseif(component STREQUAL "MagickCore")
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FIND_IMAGEMAGICK_API(MagickCore magick/MagickCore.h
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Magick MagickCore CORE_RL_magick_ MagickCore-6.Q16 MagickCore-Q16 MagickCore-6.Q8 MagickCore-Q8 MagickCore-6.Q16HDRI MagickCore-Q16HDRI MagickCore-6.Q8HDRI MagickCore-Q8HDRI
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)
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list(APPEND ImageMagick_REQUIRED_VARS ImageMagick_MagickCore_LIBRARY)
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else()
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if(ImageMagick_EXECUTABLE_DIR)
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FIND_IMAGEMAGICK_EXE(${component})
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endif()
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if(ImageMagick_FIND_COMPONENTS)
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list(FIND ImageMagick_FIND_COMPONENTS ${component} is_requested)
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if(is_requested GREATER -1)
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list(APPEND ImageMagick_REQUIRED_VARS ImageMagick_${component}_EXECUTABLE)
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endif()
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elseif(ImageMagick_${component}_EXECUTABLE)
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# if no components were requested explicitly put all (default) executables
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# in the list
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list(APPEND ImageMagick_DEFAULT_EXECUTABLES ImageMagick_${component}_EXECUTABLE)
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endif()
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endif()
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endforeach()
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if(NOT ImageMagick_FIND_COMPONENTS AND NOT ImageMagick_DEFAULT_EXECUTABLES)
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# No components were requested, and none of the default components were
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# found. Just insert mogrify into the list of the default components to
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# find so FPHSA below has something to check
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list(APPEND ImageMagick_REQUIRED_VARS ImageMagick_mogrify_EXECUTABLE)
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elseif(ImageMagick_DEFAULT_EXECUTABLES)
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list(APPEND ImageMagick_REQUIRED_VARS ${ImageMagick_DEFAULT_EXECUTABLES})
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endif()
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set(ImageMagick_INCLUDE_DIRS ${ImageMagick_INCLUDE_DIRS})
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set(ImageMagick_LIBRARIES ${ImageMagick_LIBRARIES})
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if(ImageMagick_mogrify_EXECUTABLE)
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execute_process(COMMAND ${ImageMagick_mogrify_EXECUTABLE} -version
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OUTPUT_VARIABLE imagemagick_version
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ERROR_QUIET
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OUTPUT_STRIP_TRAILING_WHITESPACE)
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if(imagemagick_version MATCHES "^Version: ImageMagick [0-9]")
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string(REGEX REPLACE "^Version: ImageMagick ([-0-9\\.]+).*" "\\1" ImageMagick_VERSION_STRING "${imagemagick_version}")
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endif()
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unset(imagemagick_version)
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endif()
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#---------------------------------------------------------------------
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# Standard Package Output
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#---------------------------------------------------------------------
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include(${CMAKE_CURRENT_LIST_DIR}/FindPackageHandleStandardArgs.cmake)
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FIND_PACKAGE_HANDLE_STANDARD_ARGS(ImageMagick
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REQUIRED_VARS ${ImageMagick_REQUIRED_VARS}
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VERSION_VAR ImageMagick_VERSION_STRING
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)
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# Maintain consistency with all other variables.
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set(ImageMagick_FOUND ${IMAGEMAGICK_FOUND})
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#---------------------------------------------------------------------
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# DEPRECATED: Setting variables for backward compatibility.
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#---------------------------------------------------------------------
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set(IMAGEMAGICK_BINARY_PATH ${ImageMagick_EXECUTABLE_DIR}
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CACHE PATH "Path to the ImageMagick binary directory.")
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set(IMAGEMAGICK_CONVERT_EXECUTABLE ${ImageMagick_convert_EXECUTABLE}
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CACHE FILEPATH "Path to ImageMagick's convert executable.")
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set(IMAGEMAGICK_MOGRIFY_EXECUTABLE ${ImageMagick_mogrify_EXECUTABLE}
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CACHE FILEPATH "Path to ImageMagick's mogrify executable.")
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set(IMAGEMAGICK_IMPORT_EXECUTABLE ${ImageMagick_import_EXECUTABLE}
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CACHE FILEPATH "Path to ImageMagick's import executable.")
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set(IMAGEMAGICK_MONTAGE_EXECUTABLE ${ImageMagick_montage_EXECUTABLE}
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CACHE FILEPATH "Path to ImageMagick's montage executable.")
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set(IMAGEMAGICK_COMPOSITE_EXECUTABLE ${ImageMagick_composite_EXECUTABLE}
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CACHE FILEPATH "Path to ImageMagick's composite executable.")
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mark_as_advanced(
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IMAGEMAGICK_BINARY_PATH
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IMAGEMAGICK_CONVERT_EXECUTABLE
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IMAGEMAGICK_MOGRIFY_EXECUTABLE
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IMAGEMAGICK_IMPORT_EXECUTABLE
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IMAGEMAGICK_MONTAGE_EXECUTABLE
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IMAGEMAGICK_COMPOSITE_EXECUTABLE
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)
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