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0001 <!-- 0002 SPDX-FileCopyrightText: Lukas Sommer <sommerluk@gmail.com> 0003 SPDX-License-Identifier: BSD-2-Clause OR MIT 0004 --> 0005 0006 <!-- 0007 NOTE This file serves at the same time as description 0008 on Github and as main page for Doxygen documentation. See 0009 https://community.kde.org/Frameworks/Frameworks_Documentation_Policy#README.md 0010 for recommended document style. 0011 --> 0012 0013 # PerceptualColor 0014 0015 This library provides Qt GUI components for choosing colors, with a 0016 focus on an intuitive and perceptually uniform presentation. 0017 0018 ## Introduction 0019 0020 The GUI widgets in PerceptualColor are based on the LCH color model, which 0021 is known to reflect human perception better than RGB or its variants like 0022 HSV. This leads to a highly intuitive user interface that is more 0023 user-friendly and easier to navigate. Moreover, the widgets can be used 0024 effectively without any prerequisite knowledge of the LCH color model 0025 by the users. 0026 0027  0028 0029  0030 0031  0032 0033 ## Features 0034 0035 This library: 0036 0037 - Provides complete documentation for the public API (as well as for the 0038 internal API and source code itself). 0039 - Is cross-platform. It does not use platform-specific code nor rely on a 0040 specific byte order. CI-tested on Linux, Windows, FreeBSD. 0041 - Provides internationalization and localization, including right-to-left 0042 layouts. 0043 - Provides high-DPI support. 0044 - Uses QStyle wherever possible. 0045 - Provides support for Qt style sheets where it makes sense. 0046 - Has support for both pointer devices (mouse, touchpad, etc.) *and* 0047 keyboard navigation in the widgets. 0048 - Has a permissive license. 0049 - Can be built as either a static or a shared/dynamic library. 0050 - Has basic support for accessibility. 0051 - Is developed with unit tests. 0052 - Links only to Qt and LittleCMS, making it a Tier 1 library. 0053 <!-- (ColorDialog’s screen color picker feature depends on Qt’s internals.) 0054 - Uses only the public API of Qt and LittleCMS, and no private 0055 features of these libraries. 0056 --> 0057 0058 ## Links 0059 0060 - [Online API documentation](https://api.kde.org/perceptualcolor/html/index.html) 0061 - [GIT Repository on invent.kde.org](https://invent.kde.org/libraries/perceptualcolor)