initial import

webkitgtk/remove-libwebp-support.patch

@@ -0,0 +1,81 @@
+--- a/Source/cmake/OptionsGTK.cmake	2021-05-10 10:02:55.000000000 +0200
++++ b/Source/cmake/OptionsGTK.cmake	2024-05-10 17:01:41.610031597 +0200
+@@ -21,7 +21,6 @@
+ find_package(Threads REQUIRED)
+ find_package(ZLIB REQUIRED)
+ find_package(ATK 2.16.0 REQUIRED)
+-find_package(WebP REQUIRED COMPONENTS demux)
+ find_package(ATSPI 2.5.3)
+ find_package(EGL)
+ find_package(OpenGL)
+--- a/Source/WebCore/platform/ImageDecoders.cmake	2021-02-26 10:57:13.000000000 +0100
++++ b/Source/WebCore/platform/ImageDecoders.cmake	2024-05-10 17:27:37.870060143 +0200
+@@ -6,7 +6,6 @@
+     "${WEBCORE_DIR}/platform/image-decoders/jpeg"
+     "${WEBCORE_DIR}/platform/image-decoders/jpeg2000"
+     "${WEBCORE_DIR}/platform/image-decoders/png"
+-    "${WEBCORE_DIR}/platform/image-decoders/webp"
+ )
+ 
+ list(APPEND WebCore_SOURCES
+@@ -26,8 +25,6 @@
+     platform/image-decoders/jpeg2000/JPEG2000ImageDecoder.cpp
+ 
+     platform/image-decoders/png/PNGImageDecoder.cpp
+-
+-    platform/image-decoders/webp/WEBPImageDecoder.cpp
+ )
+ 
+ list(APPEND WebCore_LIBRARIES
+@@ -39,13 +36,6 @@
+     list(APPEND WebCore_LIBRARIES OpenJPEG::OpenJPEG)
+ endif ()
+ 
+-if (WebP_FOUND)
+-    list(APPEND WebCore_LIBRARIES
+-        WebP::demux
+-        WebP::libwebp
+-    )
+-endif ()
+-
+ if (USE_CAIRO)
+     list(APPEND WebCore_SOURCES
+         platform/image-decoders/cairo/ImageBackingStoreCairo.cpp
+--- a/Source/WebCore/platform/image-decoders/ScalableImageDecoder.cpp	2021-02-26 10:57:13.000000000 +0100
++++ b/Source/WebCore/platform/image-decoders/ScalableImageDecoder.cpp	2024-05-10 17:31:12.260064075 +0200
+@@ -33,9 +33,6 @@
+ #if USE(OPENJPEG)
+ #include "JPEG2000ImageDecoder.h"
+ #endif
+-#if USE(WEBP)
+-#include "WEBPImageDecoder.h"
+-#endif
+ 
+ #include <algorithm>
+ #include <cmath>
+@@ -90,13 +87,6 @@
+ }
+ #endif
+ 
+-#if USE(WEBP)
+-bool matchesWebPSignature(char* contents)
+-{
+-    return !memcmp(contents, "RIFF", 4) && !memcmp(contents + 8, "WEBPVP", 6);
+-}
+-#endif
+-
+ bool matchesBMPSignature(char* contents)
+ {
+     return !memcmp(contents, "BM", 2);
+@@ -142,11 +132,6 @@
+         return JPEG2000ImageDecoder::create(JPEG2000ImageDecoder::Format::J2K, alphaOption, gammaAndColorProfileOption);
+ #endif
+ 
+-#if USE(WEBP)
+-    if (matchesWebPSignature(contents))
+-        return WEBPImageDecoder::create(alphaOption, gammaAndColorProfileOption);
+-#endif
+-
+     if (matchesBMPSignature(contents))
+         return BMPImageDecoder::create(alphaOption, gammaAndColorProfileOption);
+