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Merge pull request #8 from tanabi/main
#7 Added webp load/save support
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| # Copyright (C) 2020 Sony Interactive Entertainment Inc. | ||
| # Copyright (C) 2012 Raphael Kubo da Costa <rakuco@webkit.org> | ||
| # Copyright (C) 2013 Igalia S.L. | ||
| # | ||
| # Redistribution and use in source and binary forms, with or without | ||
| # modification, are permitted provided that the following conditions | ||
| # are met: | ||
| # 1. Redistributions of source code must retain the above copyright | ||
| # notice, this list of conditions and the following disclaimer. | ||
| # 2. Redistributions in binary form must reproduce the above copyright | ||
| # notice, this list of conditions and the following disclaimer in the | ||
| # documentation and/or other materials provided with the distribution. | ||
| # | ||
| # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDER AND ITS CONTRIBUTORS ``AS | ||
| # IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, | ||
| # THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR | ||
| # PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR ITS | ||
| # CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, | ||
| # EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, | ||
| # PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; | ||
| # OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, | ||
| # WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR | ||
| # OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF | ||
| # ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | ||
|
|
||
| # | ||
| # This is borrowed from: | ||
| # | ||
| # https://github.com/WebKit/WebKit/blob/main/Source/cmake/FindWebP.cmake | ||
| # | ||
| # Copyright notices kept intact above. | ||
| # | ||
|
|
||
| #[=======================================================================[.rst: | ||
| FindWebP | ||
| -------------- | ||
|
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| Find WebP headers and libraries. | ||
|
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| Imported Targets | ||
| ^^^^^^^^^^^^^^^^ | ||
|
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| ``WebP::libwebp`` | ||
| The WebP library, if found. | ||
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| ``WebP::demux`` | ||
| The WebP demux library, if found. | ||
|
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| Result Variables | ||
| ^^^^^^^^^^^^^^^^ | ||
|
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| This will define the following variables in your project: | ||
|
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| ``WebP_FOUND`` | ||
| true if (the requested version of) WebP is available. | ||
| ``WebP_VERSION`` | ||
| the version of WebP. | ||
| ``WebP_LIBRARIES`` | ||
| the libraries to link against to use WebP. | ||
| ``WebP_INCLUDE_DIRS`` | ||
| where to find the WebP headers. | ||
| ``WebP_COMPILE_OPTIONS`` | ||
| this should be passed to target_compile_options(), if the | ||
| target is not used for linking | ||
|
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| #]=======================================================================] | ||
|
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| find_package(PkgConfig QUIET) | ||
| pkg_check_modules(PC_WEBP QUIET libwebp) | ||
| set(WebP_COMPILE_OPTIONS ${PC_WEBP_CFLAGS_OTHER}) | ||
| set(WebP_VERSION ${PC_WEBP_CFLAGS_VERSION}) | ||
|
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| find_path(WebP_INCLUDE_DIR | ||
| NAMES webp/decode.h | ||
| HINTS ${PC_WEBP_INCLUDEDIR} ${PC_WEBP_INCLUDE_DIRS} | ||
| ) | ||
|
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| find_library(WebP_LIBRARY | ||
| NAMES ${WebP_NAMES} webp libwebp | ||
| HINTS ${PC_WEBP_LIBDIR} ${PC_WEBP_LIBRARY_DIRS} | ||
| ) | ||
|
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| # There's nothing in the WebP headers that could be used to detect the exact | ||
| # WebP version being used so don't attempt to do so. A version can only be found | ||
| # through pkg-config | ||
| if ("${WebP_FIND_VERSION}" VERSION_GREATER "${WebP_VERSION}") | ||
| if (WebP_VERSION) | ||
| message(FATAL_ERROR "Required version (" ${WebP_FIND_VERSION} ") is higher than found version (" ${WebP_VERSION} ")") | ||
| else () | ||
| message(WARNING "Cannot determine WebP version without pkg-config") | ||
| endif () | ||
| endif () | ||
|
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| # Find components | ||
| if (WebP_INCLUDE_DIR AND WebP_LIBRARY) | ||
| set(_WebP_REQUIRED_LIBS_FOUND ON) | ||
| set(WebP_LIBS_FOUND "WebP (required): ${WebP_LIBRARY}") | ||
| else () | ||
| set(_WebP_REQUIRED_LIBS_FOUND OFF) | ||
| set(WebP_LIBS_NOT_FOUND "WebP (required)") | ||
| endif () | ||
|
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| if ("demux" IN_LIST WebP_FIND_COMPONENTS) | ||
| find_library(WebP_DEMUX_LIBRARY | ||
| NAMES ${WebP_DEMUX_NAMES} webpdemux libwebpdemux | ||
| HINTS ${PC_WEBP_LIBDIR} ${PC_WEBP_LIBRARY_DIRS} | ||
| ) | ||
|
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| if (WebP_DEMUX_LIBRARY) | ||
| if (WebP_FIND_REQUIRED_demux) | ||
| list(APPEND WebP_LIBS_FOUND "demux (required): ${WebP_DEMUX_LIBRARY}") | ||
| else () | ||
| list(APPEND WebP_LIBS_FOUND "demux (optional): ${WebP_DEMUX_LIBRARY}") | ||
| endif () | ||
| else () | ||
| if (WebP_FIND_REQUIRED_demux) | ||
| set(_WebP_REQUIRED_LIBS_FOUND OFF) | ||
| list(APPEND WebP_LIBS_NOT_FOUND "demux (required)") | ||
| else () | ||
| list(APPEND WebP_LIBS_NOT_FOUND "demux (optional)") | ||
| endif () | ||
| endif () | ||
| endif () | ||
|
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| if (NOT WebP_FIND_QUIETLY) | ||
| if (WebP_LIBS_FOUND) | ||
| message(STATUS "Found the following WebP libraries:") | ||
| foreach (found ${WebP_LIBS_FOUND}) | ||
| message(STATUS " ${found}") | ||
| endforeach () | ||
| endif () | ||
| if (WebP_LIBS_NOT_FOUND) | ||
| message(STATUS "The following WebP libraries were not found:") | ||
| foreach (found ${WebP_LIBS_NOT_FOUND}) | ||
| message(STATUS " ${found}") | ||
| endforeach () | ||
| endif () | ||
| endif () | ||
|
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| include(FindPackageHandleStandardArgs) | ||
| find_package_handle_standard_args(WebP | ||
| FOUND_VAR WebP_FOUND | ||
| REQUIRED_VARS WebP_INCLUDE_DIR WebP_LIBRARY _WebP_REQUIRED_LIBS_FOUND | ||
| VERSION_VAR WebP_VERSION | ||
| ) | ||
|
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| if (WebP_LIBRARY AND NOT TARGET WebP::libwebp) | ||
| add_library(WebP::libwebp UNKNOWN IMPORTED GLOBAL) | ||
| set_target_properties(WebP::libwebp PROPERTIES | ||
| IMPORTED_LOCATION "${WebP_LIBRARY}" | ||
| INTERFACE_COMPILE_OPTIONS "${WebP_COMPILE_OPTIONS}" | ||
| INTERFACE_INCLUDE_DIRECTORIES "${WebP_INCLUDE_DIR}" | ||
| ) | ||
| endif () | ||
|
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| if (WebP_DEMUX_LIBRARY AND NOT TARGET WebP::demux) | ||
| add_library(WebP::demux UNKNOWN IMPORTED GLOBAL) | ||
| set_target_properties(WebP::demux PROPERTIES | ||
| IMPORTED_LOCATION "${WebP_DEMUX_LIBRARY}" | ||
| INTERFACE_COMPILE_OPTIONS "${WebP_COMPILE_OPTIONS}" | ||
| INTERFACE_INCLUDE_DIRECTORIES "${WebP_INCLUDE_DIR}" | ||
| ) | ||
| endif () | ||
|
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| mark_as_advanced( | ||
| WebP_INCLUDE_DIR | ||
| WebP_LIBRARY | ||
| WebP_DEMUX_LIBRARY | ||
| ) | ||
|
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| if (WebP_FOUND) | ||
| set(WebP_LIBRARIES ${WebP_LIBRARY} ${WebP_DEMUX_LIBRARY}) | ||
| set(WebP_INCLUDE_DIRS ${WebP_INCLUDE_DIR}) | ||
| endif () |
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