Update dependency version to 6.9.0

Workaround for issue https://github.com/libjxl/libjxl/issues/3983
libjxl_cms is used for color conversion of lossy static images.
Fix loading of lossy grayscale images
Fix loading of grayscale images with odd width

.gitattributes

@@ -11,3 +11,5 @@ autotests/read/hdr/fake_earth.hdr binary
 autotests/read/hdr/rgb.hdr binary
 autotests/read/hdr/rgb-landscape.hdr binary
 autotests/read/hdr/rgb-portrait.hdr binary
+autotests/read/pfm/testcard_gray_half.phm binary
+autotests/read/pfm/testcard_rgb_half.phm binary

.gitlab-ci.yml

@@ -5,6 +5,7 @@ include:
   - project: sysadmin/ci-utilities
     file:
       - /gitlab-templates/linux-qt6.yml
+      - /gitlab-templates/alpine-qt6.yml
       - /gitlab-templates/android-qt6.yml
       - /gitlab-templates/freebsd-qt6.yml
       - /gitlab-templates/windows-qt6.yml

CMakeLists.txt

@@ -1,11 +1,11 @@
 cmake_minimum_required(VERSION 3.16)
 
-set(KF_VERSION "6.8.0") # handled by release scripts
-set(KF_DEP_VERSION "6.8.0") # handled by release scripts
+set(KF_VERSION "6.9.0") # handled by release scripts
+set(KF_DEP_VERSION "6.9.0") # handled by release scripts
 project(KImageFormats VERSION ${KF_VERSION})
 
 include(FeatureSummary)
-find_package(ECM 6.8.0  NO_MODULE)
+find_package(ECM 6.9.0  NO_MODULE)
 set_package_properties(ECM PROPERTIES TYPE REQUIRED DESCRIPTION "Extra CMake Modules." URL "https://commits.kde.org/extra-cmake-modules")
 feature_summary(WHAT REQUIRED_PACKAGES_NOT_FOUND FATAL_ON_MISSING_REQUIRED_PACKAGES)
 
@@ -21,7 +21,7 @@ include(ECMDeprecationSettings)
 include(CheckIncludeFiles)
 include(FindPkgConfig)
 
-set(REQUIRED_QT_VERSION 6.5.0)
+set(REQUIRED_QT_VERSION 6.6.0)
 find_package(Qt6Gui ${REQUIRED_QT_VERSION} REQUIRED NO_MODULE)
 
 find_package(KF6Archive ${KF_DEP_VERSION})
@@ -72,6 +72,7 @@ option(KIMAGEFORMATS_JXL "Enable plugin for JPEG XL format" ON)
 if(KIMAGEFORMATS_JXL)
     pkg_check_modules(LibJXL IMPORTED_TARGET libjxl>=0.7.0)
     pkg_check_modules(LibJXLThreads IMPORTED_TARGET libjxl_threads>=0.7.0)
+    pkg_check_modules(LibJXLCMS IMPORTED_TARGET libjxl_cms>=0.9.0)
 endif()
 add_feature_info(LibJXL LibJXL_FOUND "required for the QImage plugin for JPEG XL images")
 
@@ -88,8 +89,8 @@ endif()
 add_feature_info(LibJXR LibJXR_FOUND "required for the QImage plugin for JPEG XR images")
 
 ecm_set_disabled_deprecation_versions(
-    QT 6.5
-    KF 5.102
+    QT 6.8.0
+    KF 6.8.0
 )
 
 add_subdirectory(src)

README.md

@@ -19,9 +19,10 @@ The following image formats have read-only support:
 - Krita (kra)
 - OpenRaster (ora)
 - Pixar raster (pxr)
-- Portable FloatMap (pfm)
+- Portable FloatMap/HalfMap (pfm, phm)
 - Photoshop documents (psd, psb, pdd, psdt)
 - Radiance HDR (hdr)
+- Scitex CT (sct)
 - Sun Raster (im1, im8, im24, im32, ras, sun)
 
 The following image formats have read and write support:
@@ -127,6 +128,7 @@ plugin ('n/a' means no limit, i.e. the limit depends on the format encoding).
 - RAS: n/a (large image)
 - RAW: n/a (depends on the RAW format loaded)
 - RGB: 65,535 x 65,535 pixels
+- SCT: 300,000 x 300,000 pixels
 - TGA: 65,535 x 65,535 pixels
 - XCF: 300,000 x 300,000 pixels
 
@@ -157,7 +159,7 @@ been used or the maximum size of the image that can be saved has been limited.
 PSD plugin loads CMYK, Lab and Multichannel images and converts them to RGB 
 without using the ICC profile.
 
-JXR and PSD plugins natively support 4-channel CMYK images when compiled 
+JXR, PSD and SCT plugins natively support 4-channel CMYK images when compiled 
 with Qt 6.8+.
 
 ### The HEIF plugin

autotests/CMakeLists.txt

@@ -72,6 +72,7 @@ kimageformats_read_tests(
     qoi
     ras
     rgb
+    sct
     tga
 )
 

autotests/read/sct/cmyk.sct.json

@@ -0,0 +1,11 @@
+[
+    {
+        "minQtVersion" : "6.8.0",
+        "fileName" : "cmyk.tif"
+    },
+    {
+        "maxQtVersion" : "6.7.99",
+        "unsupportedFormat" : true,
+        "comment" : "Qt versions lower than 6.8 do not support CMYK format so this test should be skipped."
+    }
+]