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10 Commits

Author SHA1 Message Date
14770318a3 GIT_SILENT Upgrade ECM and KF version requirements for 5.106.0 release. 2023-05-06 09:25:52 +00:00
9b1fafe29b Fix wrong alpha conversion
and use tif for image comparison in this particular one instead of png

BUG: 468288
2023-04-12 20:34:33 +00:00
fa673b5df8 GIT_SILENT Upgrade ECM and KF version requirements for 5.105.0 release. 2023-03-31 09:08:23 +00:00
e96b43aef5 psd: Fix alpha blending (KF5)
PSD files are saved with as alpha premultiplied. The problem is that alpha refers to white instead of black so it requires transformation formulas. Then, to conver PS premultiplied to QImage premultiplied you have to use the following formula:

* V = Alpha + Vps - Max (C, M, Y, K, R, G, B, Gray, L\* components)
* V = Vps + (Alpha - Max + 1) / 2 (a\*, b\* components)

Where Max is the maximum value depending on the image depth and Vps is the valued read from the file.

This is a port of MR !143 to KF5.
2023-03-29 17:58:09 +00:00
64f3303ef0 GIT_SILENT Upgrade ECM and KF version requirements for 5.104.0 release. 2023-03-04 10:04:16 +00:00
63056c52f9 GIT_SILENT Upgrade ECM and KF version requirements for 5.103.0 release. 2023-02-05 09:22:42 +00:00
2997f7ae8d psd: conversion speed improvements (kf5)
- Improved performance converting CMYK files by \~10% by replacing divisions with multiplications.
- Improved performance converting LAB files by \~50% by replacing std::pow with fastPow (approximated pow function).
2023-02-03 20:55:49 +00:00
0b4741f4b7 Fix writing TGA alpha depth flag
Correctly write alpha channel depth as 8-bit.

(cherry picked from commit 20cec27ae8)
2023-02-02 01:11:32 +01:00
bc52c03981 HDR support removed from RAW plugin 2023-01-30 21:59:09 +00:00
c1c57d9a11 heif: reject invalid files with zero size 2023-01-29 16:21:01 +01:00
806 changed files with 1854 additions and 79083 deletions

14
.gitattributes vendored
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@ -1,15 +1 @@
autotests/read/raw/RAW_KODAK_C330_FORMAT_NONE_YRGB.raw binary
autotests/read/hdr/orientation1.hdr binary
autotests/read/hdr/orientation2.hdr binary
autotests/read/hdr/orientation3.hdr binary
autotests/read/hdr/orientation4.hdr binary
autotests/read/hdr/orientation5.hdr binary
autotests/read/hdr/orientation6.hdr binary
autotests/read/hdr/orientation7.hdr binary
autotests/read/hdr/orientation8.hdr binary
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

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@ -2,10 +2,13 @@
# SPDX-License-Identifier: CC0-1.0
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
- https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/linux.yml
- https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/linux-static.yml
- https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/android.yml
- https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/freebsd.yml
- https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/linux-qt6.yml
- https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/android-qt6.yml
- https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/windows.yml
- https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/windows-static.yml
- https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/freebsd-qt6.yml
- https://invent.kde.org/sysadmin/ci-utilities/raw/master/gitlab-templates/windows-qt6.yml

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@ -1,5 +1,5 @@
Dependencies:
- 'on': ['Linux', 'FreeBSD', 'macOS', 'Windows', 'Android']
- 'on': ['Linux', 'FreeBSD', 'macOS', 'Windows']
'require':
'frameworks/extra-cmake-modules': '@same'
'frameworks/karchive' : '@same'
@ -7,4 +7,3 @@ Dependencies:
Options:
test-before-installing: True
require-passing-tests-on: [ 'Linux', 'FreeBSD', 'Windows' ]
cmake-options: "-DKIMAGEFORMATS_DDS=ON -DKIMAGEFORMATS_JXR=ON"

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@ -1,11 +1,9 @@
cmake_minimum_required(VERSION 3.16)
set(KF_VERSION "6.10.0") # handled by release scripts
set(KF_DEP_VERSION "6.10.0") # handled by release scripts
project(KImageFormats VERSION ${KF_VERSION})
project(KImageFormats)
include(FeatureSummary)
find_package(ECM 6.10.0 NO_MODULE)
find_package(ECM 5.106.0 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)
@ -21,11 +19,11 @@ include(ECMDeprecationSettings)
include(CheckIncludeFiles)
include(FindPkgConfig)
set(REQUIRED_QT_VERSION 6.6.0)
find_package(Qt6Gui ${REQUIRED_QT_VERSION} REQUIRED NO_MODULE)
set(REQUIRED_QT_VERSION 5.15.2)
find_package(Qt${QT_MAJOR_VERSION}Gui ${REQUIRED_QT_VERSION} REQUIRED NO_MODULE)
find_package(KF6Archive ${KF_DEP_VERSION})
set_package_properties(KF6Archive PROPERTIES
find_package(KF5Archive)
set_package_properties(KF5Archive PROPERTIES
TYPE OPTIONAL
PURPOSE "Required for the QImage plugin for Krita and OpenRaster images"
)
@ -34,12 +32,12 @@ set_package_properties(KF6Archive PROPERTIES
# this available in PATH
set(BUILD_EPS_PLUGIN FALSE)
if (UNIX)
find_package(Qt6PrintSupport ${REQUIRED_QT_VERSION} NO_MODULE)
set_package_properties(Qt6PrintSupport PROPERTIES
find_package(Qt${QT_MAJOR_VERSION}PrintSupport ${REQUIRED_QT_VERSION} NO_MODULE)
set_package_properties(Qt${QT_MAJOR_VERSION}PrintSupport PROPERTIES
PURPOSE "Required for the QImage plugin for EPS images"
TYPE OPTIONAL
)
if (TARGET Qt6::PrintSupport)
if (TARGET Qt${QT_MAJOR_VERSION}::PrintSupport)
set(BUILD_EPS_PLUGIN TRUE)
endif()
endif()
@ -53,17 +51,12 @@ set_package_properties(OpenEXR PROPERTIES
PURPOSE "Required for the QImage plugin for OpenEXR images"
)
find_package(libavif 0.8.2 CONFIG QUIET)
if(NOT libavif_FOUND)
find_package(libavif 1 CONFIG)
endif()
find_package(libavif 0.8.2 CONFIG)
set_package_properties(libavif PROPERTIES
TYPE OPTIONAL
PURPOSE "Required for the QImage plugin for AVIF images"
)
option(KIMAGEFORMATS_DDS "Enable plugin for DDS format" ON)
option(KIMAGEFORMATS_HEIF "Enable plugin for HEIF format" OFF)
if(KIMAGEFORMATS_HEIF)
pkg_check_modules(LibHeif IMPORTED_TARGET libheif>=1.10.0)
@ -72,28 +65,21 @@ add_feature_info(LibHeif LibHeif_FOUND "required for the QImage plugin for HEIF/
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)
pkg_check_modules(LibJXL IMPORTED_TARGET libjxl>=0.6.1)
pkg_check_modules(LibJXLThreads IMPORTED_TARGET libjxl_threads>=0.6.1)
endif()
add_feature_info(LibJXL LibJXL_FOUND "required for the QImage plugin for JPEG XL images")
# note: module FindLibRaw missing from https://invent.kde.org/frameworks/extra-cmake-modules
find_package(LibRaw 0.20.2)
set_package_properties(LibRaw PROPERTIES
TYPE OPTIONAL
PURPOSE "Required for the QImage plugin for RAW images"
)
# JXR plugin disabled by default due to security issues
option(KIMAGEFORMATS_JXR "Enable plugin for JPEG XR format" OFF)
if(KIMAGEFORMATS_JXR)
find_package(LibJXR)
endif()
add_feature_info(LibJXR LibJXR_FOUND "required for the QImage plugin for JPEG XR images")
ecm_set_disabled_deprecation_versions(
QT 6.8.0
KF 6.8.0
QT 5.15.2
KF 5.95
)
add_subdirectory(src)
@ -102,7 +88,6 @@ if (BUILD_TESTING)
add_subdirectory(tests)
endif()
include(ECMFeatureSummary)
ecm_feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES)
feature_summary(WHAT ALL FATAL_ON_MISSING_REQUIRED_PACKAGES)
kde_configure_git_pre_commit_hook(CHECKS CLANG_FORMAT)

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@ -1,9 +0,0 @@
Copyright (c) <year> <owner>
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 HOLDERS AND 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 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.

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@ -1,11 +0,0 @@
Copyright (c) <year> <owner>.
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.
3. Neither the name of the copyright holder nor the names of its contributors may be used to endorse or promote products derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND 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 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.

245
README.md
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@ -1,7 +1,6 @@
# KImageFormats
Plugins to allow [`QImage`](https://doc.qt.io/qt-6/qimage.html) to support
extra file formats.
Plugins to allow QImage to support extra file formats.
## Introduction
@ -15,50 +14,39 @@ image formats.
The following image formats have read-only support:
- Animated Windows cursors (ani)
- Camera RAW images (arw, cr2, cr3, dcs, dng, ...)
- Gimp (xcf)
- Krita (kra)
- OpenRaster (ora)
- Pixar raster (pxr)
- Portable FloatMap/HalfMap (pfm, phm)
- OpenEXR (exr)
- Photoshop documents (psd, psb, pdd, psdt)
- Radiance HDR (hdr)
- Scitex CT (sct)
- Sun Raster (im1, im8, im24, im32, ras, sun)
- Sun Raster (ras)
- Camera RAW images (arw, cr2, cr3, dcs, dng, ...)
The following image formats have read and write support:
- AV1 Image File Format (avif)
- DirectDraw Surface (dds)
- AV1 Image File Format (AVIF)
- Encapsulated PostScript (eps)
- High Efficiency Image File Format (heif)
- JPEG XL (jxl)
- JPEG XR (jxr)
- OpenEXR (exr)
- Personal Computer Exchange (pcx)
- Quite OK Image format (qoi)
- SGI images (rgb, rgba, sgi, bw)
- Softimage PIC (pic)
- Targa (tga): supports more formats than Qt's version
- XView (xv)
## Contributing
See the [`QImageIOPlugin`](https://doc.qt.io/qt-6/qimageioplugin.html)
documentation for information on how to write a new plugin.
See the QImageIOPlugin documentation for information on how to write a
new plugin.
The main difference between this framework and the image formats of Qt is
the license. As such, if you write an image format plugin and you are
willing to sign the Qt Project contributor agreement, it may be better to
submit the plugin directly to the Qt Project.
The main difference between this framework and the qimageformats module
of Qt is the license. As such, if you write an imageformat plugin and
you are willing to sign the Qt Project contributor agreement, it may be
better to submit the plugin directly to the Qt Project.
To be accepted, contributions must:
- Contain the test images needed to verify that the changes work correctly
- Pass the tests successfully
Note that the imageformat plugins provided by this module also provide a
desktop file. This is for the benefit of KImageIO in the KDE4 Support
framework.
## Duplicated Plugins
### The TGA plugin
The TGA plugin supports more formats than Qt's own TGA plugin;
specifically, the one provided here supports indexed, greyscale and RLE
images (types 1-3 and 9-11), while Qt's plugin only supports type 2
@ -69,12 +57,6 @@ licensing. If anyone were willing to write fresh code to improve Qt's
TGA plugin, it would allow the TGA plugin in this framework to be
removed.
### The DDS plugin
The DDS plugin is a fork from Qt 5.6 with bug fixes and improvements.
The plugin was forked because Qt Project no longer supports its DDS plugin.
## License
This framework is licensed under the
@ -83,200 +65,3 @@ This framework is licensed under the
The CMake code in this framework is licensed under the
[BSD license](http://opensource.org/licenses/BSD-3-Clause).
## Plugin status
The current implementation of a plugin may not be complete or may have
limitations of various kinds. Typically the limitations are on maximum size
and color depth.
The various plugins are also limited by the formats natively supported by Qt.
For example, native support for CMYK images is only available since Qt 6.8.
### HDR images
HDR images are supported via floating point image formats from DDS, EXR, HDR,
JXL, JXR, PFM and PSD plugins.
It is important to note that in the past these plugins stripped away HDR
information, returning SDR images.
HDR images return R, G and B values outside the range 0.0 - 1.0.
While Qt painters handles HDR data correctly, some older programs may display
strange artifacts if they do not use a tone mapping operator (or at least a
clamp). This is not a plugin issue.
### Metadata
Metadata support is implemented in all formats that support it. In particular,
in addition to the classic `"Description"`, `"Author"`, `"Copyright"`, etc... where
possible, XMP data is supported via the `"XML:com.adobe.xmp"` key.
Please note that only the most common metadata is supported.
### ICC profile support
ICC support is fully implemented in all formats that support it. When saving,
some formats convert the image using color profiles according to
specifications. In particular, HDR formats almost always convert to linear
RGB.
### Maximum image size
Where possible, plugins support large images. By convention, many of the
large image plugins are limited to a maximum of 300,000 x 300,000 pixels.
Anyway, all plugins are also limited by the
`QImageIOReader::allocationLimit()`. Below are the maximum sizes for each
plugin ('n/a' means no limit, i.e. the limit depends on the format encoding).
- ANI: n/a
- AVIF: 32,768 x 32,768 pixels, in any case no larger than 256 megapixels
- DDS: n/a
- EXR: 300,000 x 300,000 pixels
- EPS: n/a
- HDR: n/a (large image)
- HEIF: n/a
- JXL: 262,144 x 262,144 pixels, in any case no larger than 256 megapixels
- JXR: n/a, in any case no larger than 4 GB
- KRA: same size as Qt's PNG plugin
- ORA: same size as Qt's PNG plugin
- PCX: 65,535 x 65,535 pixels
- PFM: n/a (large image)
- PIC: 65,535 x 65,535 pixels
- PSD: 300,000 x 300,000 pixels
- PXR: 65,535 x 65,535 pixels
- QOI: 300,000 x 300,000 pixels
- 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
### Sequential and random access devices
All plugins work fine on random access devices while only some work on
sequential access devices.
Some plugins, such as PSD, allow reading RGB images on sequential access
devices, but cannot do the same for Lab files.
**Important: some plugins use `QIODevice` transactions and/or
`QIODevice::ungetChar()`. Therefore, the device used to read the image must not
have any active transactions.**
### Memory usage
Qt has added many image formats over time. In older plugins, to support new
formats, `QImage` conversion functions have been used, causing memory
consumption proportional to the size of the image to be saved.
Normally this is not a source of problems because the affected plugins
are limited to maximum images of 2GiB or less.
On plugins for formats that support large images, progressive conversion has
been used or the maximum size of the image that can be saved has been limited.
### Non-RGB formats
PSD plugin loads CMYK, Lab and Multichannel images and converts them to RGB
without using the ICC profile.
JXR, PSD and SCT plugins natively support 4-channel CMYK images when compiled
with Qt 6.8+.
### The DDS plugin
**This plugin can be disabled by setting `KIMAGEFORMATS_DDS` to `OFF`
in your cmake options.**
The following defines can be defined in cmake to modify the behavior of the plugin:
- `DDS_DISABLE_STRIDE_ALIGNMENT`: disable the stride aligment based on DDS pitch: it is known that some writers do not set it correctly.
### The HEIF plugin
**This plugin is disabled by default. It can be enabled by settings
`KIMAGEFORMATS_HEIF` to `ON` in your cmake options.**
The plugin is disabled due to issues with the heif library on certain
distributions. In particular, it is necessary that the HEIF library has
support for HEVC codec. If HEVC codec is not available the plugin
will compile but will fail the tests.
### The EXR plugin
The following defines can be defined in cmake to modify the behavior of the plugin:
- `EXR_CONVERT_TO_SRGB`: the linear data is converted to sRGB on read to accommodate programs that do not support color profiles.
- `EXR_DISABLE_XMP_ATTRIBUTE`: disables the stores XMP values in a non-standard attribute named "xmp". Note that Gimp reads the "xmp" attribute and Darktable writes it as well.
### The EPS plugin
The plugin uses `Ghostscript` to convert the raster image. When reading it
converts the EPS to PPM and uses the Qt PPM plugin to read the image.
When writing it uses [`QPrinter`](https://doc.qt.io/qt-6/qprinter.html) to
create a temporary PDF file which is then converted to EPS. Therefore, if
`Ghostscript` is not installed, the plugin will not work.
### The HDR plugin
The following defines can be defined in cmake to modify the behavior of the plugin:
- `HDR_HALF_QUALITY`: on read, a 16-bit float image is returned instead of a 32-bit float one.
### The JXL plugin
**The current version of the plugin limits the image size to 256 megapixels
according to feature level 5 of the JXL stream encoding.**
The following defines can be defined in cmake to modify the behavior of the plugin:
- `JXL_HDR_PRESERVATION_DISABLED`: disable floating point images (both read and write) by converting them to UINT16 images. Any HDR data is lost. Note that FP images are always disabled when compiling with libJXL less than v0.9.
- `JXL_DECODE_BOXES_DISABLED`: disable reading of metadata (e.g. XMP).
### The JXR plugin
**This plugin is disabled by default. It can be enabled by settings
`KIMAGEFORMATS_JXR` to `ON` in your cmake options.**
The following defines can be defined in cmake to modify the behavior of the plugin:
- `JXR_DENY_FLOAT_IMAGE`: disables the use of float images and consequently any HDR data will be lost.
- `JXR_DISABLE_DEPTH_CONVERSION`: remove the neeeds of additional memory by disabling the conversion between different color depths (e.g. RGBA64bpp to RGBA32bpp) at the cost of reduced compatibility.
- `JXR_DISABLE_BGRA_HACK`: Windows displays and opens JXR files correctly out of the box. Unfortunately it doesn't seem to open (P)RGBA @32bpp files as it only wants (P)BGRA32bpp files (a format not supported by Qt). Only for this format an hack is activated to guarantee total compatibility of the plugin with Windows.
- `JXR_ENABLE_ADVANCED_METADATA`: enable metadata support (e.g. XMP). Some distributions use an incomplete JXR library that does not allow reading metadata, causing compilation errors.
### The KRA plugin
The KRA format is a ZIP archive containing image data. In particular, the
rendered image in PNG format is saved in the root: the plugin reads this
image.
### The ORA plugin
The ORA format is a ZIP archive containing image data. In particular, the
rendered image in PNG format is saved in the root: the plugin reads this
image.
### The PSD plugin
PSD support has the following limitations:
- Only images saved by Photoshop using compatibility mode enabled (Photoshop default) can be decoded.
- Multichannel images are treated as CMYK if they have 2 or more channels.
- Multichannel images are treated as Grayscale if they have 1 channel.
- Duotone images are treated as grayscale images.
- Extra channels other than alpha are discarded.
The following defines can be defined in cmake to modify the behavior of the plugin:
- `PSD_FAST_LAB_CONVERSION`: the LAB image is converted to linear sRGB instead of sRGB which significantly increases performance.
- `PSD_NATIVE_CMYK_SUPPORT_DISABLED`: disable native support for CMYK images when compiled with Qt 6.8+
### The RAW plugin
Loading RAW images always requires a conversion. To allow the user to
choose how to convert the image, it was chosen to use the quality parameter
to act on the converter. The quality parameter can be used with values from
0 to 100 (0 = fast, 100 = maximum quality) or by setting flags to
selectively change the conversion (see also [raw_p.h](./src/imageformats/raw_p.h)).
The default setting tries to balance quality and conversion speed.
### The XCF plugin
XCF support has the following limitations:
- XCF format up to [version 12](https://testing.developer.gimp.org/core/standards/xcf/#version-history) (no support for GIMP 3).
- The returned image is always 8-bit.
- Cannot read zlib compressed files.
- The rendered image may be slightly different (colors/transparencies) than in GIMP.

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@ -1,4 +1,7 @@
#find_package(Qt5Test ${REQUIRED_QT_VERSION} NO_MODULE)
include(ECMMarkAsTest)
include(CMakeParseArguments)
add_definitions(-DPLUGIN_DIR="${CMAKE_CURRENT_BINARY_DIR}/../bin")
remove_definitions(-DQT_NO_CAST_FROM_ASCII)
@ -11,8 +14,8 @@ macro(kimageformats_read_tests)
endif()
if (NOT TARGET readtest)
add_executable(readtest readtest.cpp templateimage.cpp)
target_link_libraries(readtest Qt6::Gui)
add_executable(readtest readtest.cpp)
target_link_libraries(readtest Qt${QT_MAJOR_VERSION}::Gui)
target_compile_definitions(readtest
PRIVATE IMAGEDIR="${CMAKE_CURRENT_SOURCE_DIR}/read")
ecm_mark_as_test(readtest)
@ -35,7 +38,7 @@ macro(kimageformats_write_tests)
if (NOT TARGET writetest)
add_executable(writetest writetest.cpp)
target_link_libraries(writetest Qt6::Gui)
target_link_libraries(writetest Qt${QT_MAJOR_VERSION}::Gui)
target_compile_definitions(writetest
PRIVATE IMAGEDIR="${CMAKE_CURRENT_SOURCE_DIR}/write")
ecm_mark_as_test(writetest)
@ -66,22 +69,13 @@ endmacro()
kimageformats_read_tests(
hdr
pcx
pfm
psd
pxr
qoi
ras
rgb
sct
tga
)
if(KIMAGEFORMATS_DDS)
kimageformats_read_tests(dds)
kimageformats_write_tests(dds-nodatacheck-lossless)
endif()
if (KF6Archive_FOUND)
if (KF5Archive_FOUND)
kimageformats_read_tests(
kra
ora
@ -105,18 +99,6 @@ if (LibHeif_FOUND)
kimageformats_write_tests(FUZZ 1
heif-nodatacheck-lossless
)
if (LibHeif_VERSION VERSION_GREATER_EQUAL "1.17.0")
kimageformats_read_tests(FUZZ 1
hej2
)
endif()
if (LibHeif_VERSION VERSION_GREATER_EQUAL "1.19.0")
kimageformats_read_tests(FUZZ 4
avci
)
endif()
endif()
if (LibJXL_FOUND AND LibJXLThreads_FOUND)
@ -128,15 +110,6 @@ if (LibJXL_FOUND AND LibJXLThreads_FOUND)
)
endif()
if (LibJXR_FOUND)
kimageformats_read_tests(
jxr
)
kimageformats_write_tests(
jxr-nodatacheck
)
endif()
# Allow some fuzziness when reading this formats, to allow for
# rounding errors (eg: in alpha blending).
kimageformats_read_tests(FUZZ 1
@ -152,7 +125,6 @@ kimageformats_read_tests(FUZZ 1
kimageformats_write_tests(
pcx-lossless
pic-lossless
qoi-lossless
rgb-lossless
tga # fixme: the alpha images appear not to be written properly
)
@ -167,11 +139,6 @@ if (OpenEXR_FOUND)
kimageformats_read_tests(
exr
)
# Color space conversions from sRGB to linear on saving and
# from linear to sRGB on loading result in some rounding errors.
kimageformats_write_tests(FUZZ 5
exr-nodatacheck-lossless
)
endif()
if (LibRaw_FOUND)
@ -180,19 +147,19 @@ if (LibRaw_FOUND)
)
endif()
find_package(Qt6Test ${REQUIRED_QT_VERSION} CONFIG QUIET)
find_package(Qt${QT_MAJOR_VERSION}Test ${REQUIRED_QT_VERSION} CONFIG QUIET)
if(NOT TARGET Qt6::Test)
message(STATUS "Qt6Test not found, some autotests will not be built.")
if(NOT TARGET Qt${QT_MAJOR_VERSION}::Test)
message(STATUS "Qt${QT_MAJOR_VERSION}Test not found, some autotests will not be built.")
return()
endif()
add_executable(pictest pictest.cpp)
target_link_libraries(pictest Qt6::Gui Qt6::Test)
target_link_libraries(pictest Qt${QT_MAJOR_VERSION}::Gui Qt${QT_MAJOR_VERSION}::Test)
ecm_mark_as_test(pictest)
add_test(NAME kimageformats-pic COMMAND pictest)
add_executable(anitest anitest.cpp)
target_link_libraries(anitest Qt6::Gui Qt6::Test)
target_link_libraries(anitest Qt${QT_MAJOR_VERSION}::Gui Qt${QT_MAJOR_VERSION}::Test)
ecm_mark_as_test(anitest)
add_test(NAME kimageformats-ani COMMAND anitest)

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SPDX-FileCopyrightText: Copyright (c) 2006 - 2010 The Open Toolkit library.
SPDX-License-Identifier: MIT

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[
{
"fileName" : "orientation_all.png"
}
]

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[
{
"fileName" : "orientation_all.png"
}
]

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[
{
"fileName" : "orientation_all.png"
}
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[
{
"fileName" : "orientation_all.png"
}
]

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[
{
"fileName" : "orientation_all.png"
}
]

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[
{
"fileName" : "orientation_all.png"
}
]

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[
{
"fileName" : "orientation_all.png"
}
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[
{
"fileName" : "orientation_all.png"
}
]

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[
{
"minQtVersion" : "6.5.7",
"maxQtVersion" : "6.5.99",
"disableAutoTransform": true,
"fileName" : "orientation6_notranfs.png",
"comment" : "Test with automatic transformation disabled."
},
{
"minQtVersion" : "6.7.3",
"disableAutoTransform": true,
"fileName" : "orientation6_notranfs.png",
"comment" : "Test with automatic transformation disabled."
},
{
"unsupportedFormat" : true,
"comment" : "It is not possible to disable the transformation with the current version of the plugin."
}
]

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