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/*!
    \page qtquickcontrols2-imagine.html
    \title Imagine Style

    The Imagine Style is based on configurable image assets. \l{detailed-desc-imagine}{More...}

    \styleimport {QtQuick.Controls.Imagine 2.4} {Qt 5.10}

    \section1 Attached Properties

    \list
        \li \l {imagine-path-attached-prop}{\b path} : string
    \endlist

    \section1 Detailed Description
    \target detailed-desc-imagine

    The Imagine style is based on image assets. The style comes with a default
    set of images, but the images can be easily changed by providing a directory
    with images using a predefined naming convention.

    \image qtquickcontrols2-imagine.png
    \caption The Imagine style with the default images

    To run an application with the Imagine style, see
    \l {Using Styles in Qt Quick Controls 2}.

    \section2 File Names

    The image files are named using the following convention:

    \c <control>-<element>-<states>

    The \c <control> and \c <element> sections are mandatory, but the
    \c <states> section is optional. For example, if a single file named
    \c "button-background.9.png" is provided for \l {Button}, it will be used
    for every state that \c Button supports. It is up to the developer to
    decide the set of states that they will provide images for. However, it
    is recommended to provide images for the most common control states where
    possible, such as \c disabled, \c pressed, etc. This will ensure that
    interactive controls visually behave as the end user would expect them to.

    \section2 Element Reference

    The following table lists which elements are supported for each control,
    along with the possible states for that element, and the file extension
    that it expects. An element is an image that represents a certain visual
    part of the control. For example, \c {Button}'s \c "background" element
    represents its \l {Control::}{background}.

    \table
        \header
            \li Control
            \li Element
            \li States
            \li Extension
        \row
            \li \l ApplicationWindow
            \li background
            \li active
            \li .9.png (or .png)
        \row
            \li
            \li overlay
            \li modal
            \li .9.png (or .png)
        \row
            \li \l BusyIndicator
            \li animation
            \li disabled, running, mirrored, hovered
            \li .webp
        \row
            \li
            \li background
            \li same as above
            \li .webp
        \row
            \li \l Button
            \li background
            \li disabled, pressed, checked, checkable, focused, highlighted, flat, mirrored, hovered
            \li .9.png
        \row
            \li \l CheckBox
            \li background
            \li disabled, pressed, checked, partially-checked, focused, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li
            \li indicator
            \li same as above
            \li .png
        \row
            \li \l CheckDelegate
            \li background
            \li disabled, pressed, checked, partially-checked, focused, highlighted, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li
            \li indicator
            \li same as above
            \li .png
        \row
            \li \l ComboBox
            \li background
            \li disabled, pressed, editable, open, focused, mirrored, hovered, flat
            \li .9.png (or .png)
        \row
            \li
            \li indicator
            \li same as above
            \li .png
        \row
            \li
            \li popup
            \li same as above
            \li .9.png (or .png)
        \row
            \li \l DelayButton
            \li background
            \li disabled, pressed, checked, checkable, focused, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li
            \li progress
            \li same as above
            \li .9.png (or .png)
        \row
            \li
            \li mask
            \li same as above
            \li .9.png (or .png)
        \row
            \li \l Dial
            \li background
            \li disabled, pressed, focused, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li
            \li handle
            \li same as above
            \li .9.png (or .png)
        \row
            \li \l Dialog
            \li background
            \li modal, dim
            \li .9.png (or .png)
        \row
            \li
            \li title
            \li same as above
            \li .9.png (or .png)
        \row
            \li
            \li overlay
            \li modal
            \li .9.png (or .png)
        \row
            \li \l DialogButtonBox
            \li background
            \li disabled, mirrored
            \li .9.png (or .png)
        \row
            \li \l Drawer
            \li background
            \li modal, dim, top, left, right, bottom
            \li .9.png (or .png)
        \row
            \li
            \li overlay
            \li modal
            \li .9.png (or .png)
        \row
            \li \l Frame
            \li background
            \li disabled, mirrored
            \li .9.png (or .png)
        \row
            \li \l GroupBox
            \li background
            \li disabled, mirrored
            \li .9.png (or .png)
        \row
            \li
            \li title
            \li same as above
            \li .9.png (or .png)
        \row
            \li \l ItemDelegate
            \li background
            \li disabled, pressed, focused, highlighted, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li \l Label
            \li background
            \li disabled, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li \l Menu
            \li background
            \li modal, dim
            \li .9.png (or .png)
        \row
            \li
            \li overlay
            \li modal
            \li .9.png (or .png)
        \row
            \li \l MenuItem
            \li arrow
            \li disabled, pressed, checked, focused, highlighted, mirrored, hovered
            \li .png
        \row
            \li
            \li background
            \li same as above
            \li .9.png (or .png)
        \row
            \li
            \li indicator
            \li same as above
            \li .png
        \row
            \li \l MenuSeparator
            \li background
            \li disabled, mirrored
            \li .9.png (or .png)
        \row
            \li
            \li separator
            \li same as above
            \li .9.png (or .png)
        \row
            \li \l Page
            \li background
            \li disabled, mirrored
            \li .9.png (or .png)
        \row
            \li \l PageIndicator
            \li background
            \li disabled, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li
            \li delegate
            \li disabled, pressed, current, mirrored, hovered
            \li .png
        \row
            \li \l Pane
            \li background
            \li disabled, mirrored
            \li .9.png (or .png)
        \row
            \li \l Popup
            \li background
            \li modal, dim
            \li .9.png (or .png)
        \row
            \li
            \li overlay
            \li modal
            \li .9.png (or .png)
        \row
            \li \l ProgressBar
            \li animation
            \li disabled, mirrored, hovered
            \li .png
        \row
            \li
            \li background
            \li disabled, indeterminate, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li
            \li mask
            \li same as above
            \li .9.png (or .png)
        \row
            \li
            \li progress
            \li same as above
            \li .9.png (or .png)
        \row
            \li \l RadioButton
            \li background
            \li disabled, pressed, checked, focused, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li
            \li indicator
            \li same as above
            \li .png
        \row
            \li \l RadioDelegate
            \li background
            \li disabled, pressed, checked, focused, highlighted, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li
            \li indicator
            \li same as above
            \li .png
        \row
            \li \l RangeSlider
            \li background
            \li vertical, horizontal, disabled, focused, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li \l RangeSlider
            \li progress
            \li same as above
            \li .9.png (or .png)
        \row
            \li
            \li handle
            \li first, second, vertical, horizontal, disabled, pressed, focused, mirrored, hovered
            \li .png
        \row
            \li \l RoundButton
            \li background
            \li disabled, pressed, checked, checkable, focused, highlighted, flat, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li \l ScrollBar
            \li background
            \li vertical, horizontal, disabled, interactive, pressed, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li
            \li handle
            \li same as above
            \li .9.png (or .png)
        \row
            \li \l ScrollIndicator
            \li background
            \li vertical, horizontal, disabled, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li
            \li handle
            \li same as above
            \li .9.png (or .png)
        \row
            \li \l ScrollView
            \li background
            \li disabled, mirrored
            \li .9.png (or .png)
        \row
            \li \l Slider
            \li background
            \li vertical, horizontal, disabled, pressed, focused, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li
            \li handle
            \li same as above
            \li .9.png (or .png)
        \row
            \li
            \li progress
            \li same as above
            \li .9.png (or .png)
        \row
            \li \l SpinBox
            \li background
            \li disabled, editable, focused, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li
            \li editor
            \li disabled, focused, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li
            \li indicator
            \li up, down, disabled, editable, pressed, focused, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li \l StackView
            \li background
            \li disabled, mirrored
            \li .9.png (or .png)
        \row
            \li \l SwipeDelegate
            \li background
            \li disabled, pressed, focused, highlighted, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li \l SwipeView
            \li background
            \li vertical, horizontal, disabled, interactive, focused, mirrored
            \li .9.png (or .png)
        \row
            \li \l Switch
            \li background
            \li disabled, pressed, checked, focused, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li
            \li handle
            \li same as above
            \li .9.png (or .png)
        \row
            \li
            \li indicator
            \li same as above
            \li .9.png (or .png)
        \row
            \li \l SwitchDelegate
            \li background
            \li disabled, pressed, checked, focused, highlighted, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li
            \li handle
            \li same as above
            \li .9.png (or .png)
        \row
            \li
            \li indicator
            \li same as above
            \li .9.png (or .png)
        \row
            \li \l TabBar
            \li background
            \li disabled, header, footer, mirrored
            \li .9.png (or .png)
        \row
            \li \l TabButton
            \li background
            \li disabled, pressed, checked, focused, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li \l TextArea
            \li background
            \li disabled, focused, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li \l TextField
            \li background
            \li disabled, focused, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li \l ToolBar
            \li background
            \li disabled, header, footer, mirrored
            \li .9.png (or .png)
        \row
            \li \l ToolButton
            \li background
            \li disabled, pressed, checked, checkable, focused, highlighted, flat, mirrored, hovered
            \li .9.png (or .png)
        \row
            \li \l ToolSeparator
            \li background
            \li vertical, horizontal, disabled, mirrored
            \li .9.png (or .png)
        \row
            \li
            \li separator
            \li same as above
            \li .9.png (or .png)
        \row
            \li \l ToolTip
            \li background
            \li
            \li .9.png (or .png)
        \row
            \li \l Tumbler
            \li background
            \li disabled, focused, mirrored, hovered
            \li .9.png (or .png)
    \endtable

    \section2 Asset Examples

    The following table lists examples of assets (taken from the default
    Imagine style assets) for all controls. The list is not exhaustive,
    as not all elements need assets, but it can be used as a guide
    when creating your own assets.

    \table
        \header
            \li Control
            \li Element
            \li States
            \li Asset
            \li Notes
        \row
            \li \l ApplicationWindow
            \li background
            \li
            \li \image imagine/images/applicationwindow-background.png
            \li \l {sup1}{See footnote} \sup 1
        \row
            \li
            \li overlay
            \li
            \li \image imagine/images/applicationwindow-overlay.png
            \li \l {sup1}{See footnote} \sup 1
        \row
            \li
            \li overlay
            \li modal
            \li \image imagine/images/applicationwindow-overlay-modal.png
            \li \l {sup1}{See footnote} \sup 1
        \row
            \li \l Button
            \li background
            \li
            \li \image imagine/images/button-background.9.png
            \li
        \row
            \li
            \li background
            \li disabled
            \li \image imagine/images/button-background-disabled.9.png
            \li
        \row
            \li
            \li background
            \li focused
            \li \image imagine/images/button-background-focused.9.png
            \li
        \row
            \li
            \li background
            \li pressed
            \li \image imagine/images/button-background-pressed.9.png
            \li
        \row
            \li
            \li background
            \li checked
            \li \image imagine/images/button-background-checked.9.png
            \li
        \row
            \li
            \li background
            \li checked, disabled
            \li \image imagine/images/button-background-checked-disabled.9.png
            \li
        \row
            \li
            \li background
            \li checked, focused
            \li \image imagine/images/button-background-checked-focused.9.png
            \li
        \row
            \li
            \li background
            \li checked, hovered
            \li \image imagine/images/button-background-checked-hovered.9.png
            \li
        \row
            \li
            \li background
            \li highlighted
            \li \image imagine/images/button-background-highlighted.9.png
            \li
        \row
            \li
            \li background
            \li highlighted, disabled
            \li \image imagine/images/button-background-highlighted-disabled.9.png
            \li
        \row
            \li
            \li background
            \li highlighted, focused
            \li \image imagine/images/button-background-highlighted-focused.9.png
            \li
        \row
            \li
            \li background
            \li highlighted, hovered
            \li \image imagine/images/button-background-highlighted-hovered.9.png
            \li
        \row
            \li
            \li background
            \li highlighted, pressed
            \li \image imagine/images/button-background-highlighted-pressed.9.png
            \li
        \row
            \li
            \li background
            \li highlighted, checked
            \li \image imagine/images/button-background-highlighted-checked.9.png
            \li
        \row
            \li
            \li background
            \li hovered
            \li \image imagine/images/button-background-hovered.9.png
            \li
        \row
            \li
            \li background
            \li flat
            \li \image imagine/images/button-background-flat.9.png
            \li
        \row
            \li
            \li background
            \li flat, disabled
            \li \image imagine/images/button-background-flat-disabled.9.png
            \li
        \row
            \li
            \li background
            \li flat, hovered
            \li \image imagine/images/button-background-flat-hovered.9.png
            \li
        \row
            \li
            \li background
            \li flat, pressed
            \li \image imagine/images/button-background-flat-pressed.9.png
            \li
        \row
            \li
            \li background
            \li flat, checked
            \li \image imagine/images/button-background-flat-checked.9.png
            \li
        \row
            \li \l CheckBox
            \li indicator
            \li
            \li \image imagine/images/checkbox-indicator.png
            \li
        \row
            \li
            \li indicator
            \li disabled
            \li \image imagine/images/checkbox-indicator-disabled.png
            \li
        \row
            \li
            \li indicator
            \li pressed
            \li \image imagine/images/checkbox-indicator-pressed.png
            \li
        \row
            \li
            \li indicator
            \li checked
            \li \image imagine/images/checkbox-indicator-checked.png
            \li
        \row
            \li
            \li indicator
            \li checked, pressed
            \li \image imagine/images/checkbox-indicator-checked-pressed.png
            \li
        \row
            \li
            \li indicator
            \li checked, hovered
            \li \image imagine/images/checkbox-indicator-checked-hovered.png
            \li
        \row
            \li
            \li indicator
            \li checked, focused
            \li \image imagine/images/checkbox-indicator-checked-focused.png
            \li
        \row
            \li
            \li indicator
            \li partially, checked
            \li \image imagine/images/checkbox-indicator-partially-checked.png
            \li
        \row
            \li
            \li indicator
            \li partially, checked, pressed
            \li \image imagine/images/checkbox-indicator-partially-checked-pressed.png
            \li
        \row
            \li
            \li indicator
            \li partially, checked, focused
            \li \image imagine/images/checkbox-indicator-partially-checked-focused.png
            \li
        \row
            \li
            \li indicator
            \li partially, checked, hovered
            \li \image imagine/images/checkbox-indicator-partially-checked-hovered.png
            \li
        \row
            \li
            \li indicator
            \li focused
            \li \image imagine/images/checkbox-indicator-focused.png
            \li
        \row
            \li
            \li indicator
            \li hovered
            \li \image imagine/images/checkbox-indicator-hovered.png
            \li
        \row
            \li \l CheckDelegate
            \li background
            \li
            \li \image imagine/images/checkdelegate-background.9.png
            \li
        \row
            \li
            \li background
            \li disabled
            \li \image imagine/images/checkdelegate-background-disabled.9.png
            \li
        \row
            \li
            \li background
            \li pressed
            \li \image imagine/images/checkdelegate-background-pressed.9.png
            \li
        \row
            \li
            \li background
            \li focused
            \li \image imagine/images/checkdelegate-background-focused.9.png
            \li
        \row
            \li
            \li background
            \li hovered
            \li \image imagine/images/checkdelegate-background-hovered.9.png
            \li
        \row
            \li
            \li indicator
            \li
            \li \image imagine/images/checkdelegate-indicator.png
            \li
        \row
            \li
            \li indicator
            \li disabled
            \li \image imagine/images/checkdelegate-indicator-disabled.png
            \li
        \row
            \li
            \li indicator
            \li pressed
            \li \image imagine/images/checkdelegate-indicator-pressed.png
            \li
        \row
            \li
            \li indicator
            \li checked
            \li \image imagine/images/checkdelegate-indicator-checked.png
            \li
        \row
            \li
            \li indicator
            \li checked, pressed
            \li \image imagine/images/checkdelegate-indicator-checked-pressed.png
            \li
        \row
            \li
            \li indicator
            \li checked, focused
            \li \image imagine/images/checkdelegate-indicator-checked-focused.png
            \li
        \row
            \li
            \li indicator
            \li checked, hovered
            \li \image imagine/images/checkdelegate-indicator-checked-hovered.png
            \li
        \row
            \li
            \li indicator
            \li focused
            \li \image imagine/images/checkdelegate-indicator-focused.png
            \li
        \row
            \li
            \li indicator
            \li hovered
            \li \image imagine/images/checkdelegate-indicator-hovered.png
            \li
        \row
            \li
            \li indicator
            \li partially, checked
            \li \image imagine/images/checkdelegate-indicator-partially-checked.png
            \li
        \row
            \li
            \li indicator
            \li partially, checked, pressed
            \li \image imagine/images/checkdelegate-indicator-partially-checked-pressed.png
            \li
        \row
            \li
            \li indicator
            \li partially, checked, focused
            \li \image imagine/images/checkdelegate-indicator-partially-checked-focused.png
            \li
        \row
            \li
            \li indicator
            \li partially, checked, hovered
            \li \image imagine/images/checkdelegate-indicator-partially-checked-hovered.png
            \li
        \row
            \li
            \li indicator
            \li hovered
            \li \image imagine/images/checkdelegate-indicator-hovered.png
            \li
        \row
            \li \l ComboBox
            \li background
            \li
            \li \image imagine/images/combobox-background.9.png
            \li
        \row
            \li
            \li background
            \li disabled
            \li \image imagine/images/combobox-background-disabled.9.png
            \li
        \row
            \li
            \li background
            \li focused
            \li \image imagine/images/combobox-background-focused.9.png
            \li
        \row
            \li
            \li background
            \li hovered
            \li \image imagine/images/combobox-background-hovered.9.png
            \li
        \row
            \li
            \li background
            \li pressed
            \li \image imagine/images/combobox-background-pressed.9.png
            \li
        \row
            \li
            \li background
            \li open
            \li \image imagine/images/combobox-background-open.9.png
            \li
        \row
            \li
            \li background
            \li editable
            \li \image imagine/images/combobox-background-editable.9.png
            \li
        \row
            \li
            \li background
            \li editable, focused
            \li \image imagine/images/combobox-background-editable-focused.9.png
            \li
        \row
            \li
            \li background
            \li editable, disabled
            \li \image imagine/images/combobox-background-editable-disabled.9.png
            \li
        \row
            \li
            \li indicator
            \li
            \li \image imagine/images/combobox-indicator.png
            \li
        \row
            \li
            \li indicator
            \li disabled
            \li \image imagine/images/combobox-indicator-disabled.png
            \li
        \row
            \li
            \li indicator
            \li editable
            \li \image imagine/images/combobox-indicator-editable.png
            \li
        \row
            \li
            \li indicator
            \li editable, disabled
            \li \image imagine/images/combobox-indicator-editable-disabled.png
            \li
        \row
            \li
            \li indicator
            \li editable, mirrored
            \li \image imagine/images/combobox-indicator-editable-mirrored.png
            \li
        \row
            \li
            \li indicator
            \li editable, mirrored, disabled
            \li \image imagine/images/combobox-indicator-editable-mirrored-disabled.png
            \li
        \row
            \li
            \li popup
            \li
            \li \image imagine/images/combobox-popup.9.png
            \li
        \row
            \li \l DelayButton
            \li background
            \li
            \li \image imagine/images/delaybutton-background.9.png
            \li
        \row
            \li
            \li background
            \li disabled
            \li \image imagine/images/delaybutton-background-disabled.9.png
            \li
        \row
            \li
            \li background
            \li disabled, checked
            \li \image imagine/images/delaybutton-background-disabled-checked.9.png
            \li
        \row
            \li
            \li background
            \li focused
            \li \image imagine/images/delaybutton-background-focused.9.png
            \li
        \row
            \li
            \li background
            \li pressed
            \li \image imagine/images/delaybutton-background-pressed.9.png
            \li
        \row
            \li
            \li background
            \li checked
            \li \image imagine/images/delaybutton-background-checked.9.png
            \li
        \row
            \li
            \li background
            \li checked, focused
            \li \image imagine/images/delaybutton-background-checked-focused.9.png
            \li
        \row
            \li
            \li background
            \li checked, hovered
            \li \image imagine/images/delaybutton-background-checked-hovered.9.png
            \li
        \row
            \li
            \li background
            \li hovered
            \li \image imagine/images/delaybutton-background-hovered.9.png
            \li
        \row
            \li
            \li progress
            \li
            \li \image imagine/images/delaybutton-progress.9.png
            \li
        \row
            \li
            \li progress
            \li disabled
            \li \image imagine/images/delaybutton-progress-disabled.9.png
            \li
        \row
            \li
            \li mask
            \li
            \li \image imagine/images/delaybutton-mask.9.png
            \li
        \row
            \li \l Dial
            \li background
            \li
            \li \image imagine/images/dial-background.png
            \li
        \row
            \li
            \li background
            \li disabled
            \li \image imagine/images/dial-background-disabled.png
            \li
        \row
            \li
            \li background
            \li focused
            \li \image imagine/images/dial-background-focused.png
            \li
        \row
            \li
            \li handle
            \li
            \li \image imagine/images/dial-handle.png
            \li
        \row
            \li
            \li handle
            \li disabled
            \li \image imagine/images/dial-handle-disabled.png
            \li
        \row
            \li
            \li handle
            \li focused
            \li \image imagine/images/dial-handle-focused.png
            \li
        \row
            \li
            \li handle
            \li focused, pressed
            \li \image imagine/images/dial-handle-focused-pressed.png
            \li
        \row
            \li
            \li handle
            \li focused, hovered
            \li \image imagine/images/dial-handle-focused-hovered.png
            \li
        \row
            \li
            \li handle
            \li pressed
            \li \image imagine/images/dial-handle-pressed.png
            \li
        \row
            \li
            \li handle
            \li hovered
            \li \image imagine/images/dial-handle-hovered.png
            \li
        \row
            \li \l Dialog
            \li background
            \li
            \li \image imagine/images/dialog-background.9.png
            \li
        \row
            \li
            \li overlay
            \li
            \li \image imagine/images/dialog-overlay.png
            \li \l {sup1}{See footnote} \sup 1
        \row
            \li
            \li overlay
            \li modal
            \li \image imagine/images/dialog-overlay-modal.png
            \li \l {sup1}{See footnote} \sup 1
        \row
            \li \l DialogButtonBox
            \li background
            \li
            \li \image imagine/images/dialogbuttonbox-background.9.png
            \li
        \row
            \li \l Drawer
            \li background
            \li left
            \li \image imagine/images/drawer-background-left.9.png
            \li
        \row
            \li
            \li background
            \li right
            \li \image imagine/images/drawer-background-right.9.png
            \li
        \row
            \li
            \li background
            \li top
            \li \image imagine/images/drawer-background-top.9.png
            \li
        \row
            \li
            \li background
            \li bottom
            \li \image imagine/images/drawer-background-bottom.9.png
            \li
        \row
            \li
            \li overlay
            \li
            \li \image imagine/images/drawer-overlay.png
            \li \l {sup1}{See footnote} \sup 1
        \row
            \li
            \li overlay
            \li modal
            \li \image imagine/images/drawer-overlay-modal.png
            \li \l {sup1}{See footnote} \sup 1
        \row
            \li \l Frame
            \li background
            \li
            \li \image imagine/images/frame-background.9.png
            \li
        \row
            \li \l GroupBox
            \li background
            \li
            \li \image imagine/images/groupbox-background.9.png
            \li
        \row
            \li
            \li title
            \li
            \li \image imagine/images/groupbox-title.9.png
            \li
        \row
            \li \l ItemDelegate
            \li background
            \li
            \li \image imagine/images/itemdelegate-background.9.png
            \li
        \row
            \li
            \li background
            \li disabled
            \li \image imagine/images/itemdelegate-background-disabled.9.png
            \li
        \row
            \li
            \li background
            \li pressed
            \li \image imagine/images/itemdelegate-background-pressed.9.png
            \li
        \row
            \li
            \li background
            \li focused
            \li \image imagine/images/itemdelegate-background-focused.9.png
            \li
        \row
            \li
            \li background
            \li hovered
            \li \image imagine/images/itemdelegate-background-hovered.9.png
            \li
        \row
            \li
            \li background
            \li highlighted
            \li \image imagine/images/itemdelegate-background-highlighted.9.png
            \li
        \row
            \li \l Menu
            \li background
            \li
            \li \image imagine/images/menu-background.9.png
            \li
        \row
            \li \l MenuItem
            \li background
            \li
            \li \image imagine/images/menuitem-background.9.png
            \li
        \row
            \li
            \li background
            \li highlighted
            \li \image imagine/images/menuitem-background-highlighted.9.png
            \li
        \row
            \li
            \li arrow
            \li
            \li \image imagine/images/menuitem-arrow.png
            \li
        \row
            \li
            \li arrow
            \li mirrored
            \li \image imagine/images/menuitem-arrow-mirrored.png
            \li
        \row
            \li
            \li arrow
            \li disabled
            \li \image imagine/images/menuitem-arrow-disabled.png
            \li
        \row
            \li
            \li arrow
            \li mirrored, disabled
            \li \image imagine/images/menuitem-arrow-mirrored-disabled.png
            \li
        \row
            \li
            \li indicator
            \li
            \li \image imagine/images/menuitem-indicator.png
            \li
        \row
            \li
            \li indicator
            \li disabled
            \li \image imagine/images/menuitem-indicator-disabled.png
            \li
        \row
            \li
            \li indicator
            \li pressed
            \li \image imagine/images/menuitem-indicator-pressed.png
            \li
        \row
            \li
            \li indicator
            \li checked
            \li \image imagine/images/menuitem-indicator-checked.png
            \li
        \row
            \li
            \li indicator
            \li checked, pressed
            \li \image imagine/images/menuitem-indicator-checked-pressed.png
            \li
        \row
            \li
            \li indicator
            \li checked, focused
            \li \image imagine/images/menuitem-indicator-checked-focused.png
            \li
        \row
            \li
            \li indicator
            \li checked, hovered
            \li \image imagine/images/menuitem-indicator-checked-hovered.png
            \li
        \row
            \li
            \li indicator
            \li focused
            \li \image imagine/images/menuitem-indicator-focused.png
            \li
        \row
            \li
            \li indicator
            \li hovered
            \li \image imagine/images/menuitem-indicator-hovered.png
            \li
        \row
            \li \l MenuSeparator
            \li separator
            \li
            \li \image imagine/images/menuseparator-separator.9.png
            \li
        \row
            \li \l Page
            \li background
            \li
            \li \image imagine/images/page-background.png
            \li \l {sup1}{See footnote} \sup 1
        \row
            \li \l PageIndicator
            \li delegate
            \li
            \li \image imagine/images/pageindicator-delegate.png
            \li
        \row
            \li
            \li delegate
            \li disabled
            \li \image imagine/images/pageindicator-delegate-disabled.png
            \li
        \row
            \li
            \li delegate
            \li disabled, current
            \li \image imagine/images/pageindicator-delegate-disabled-current.png
            \li
        \row
            \li
            \li delegate
            \li pressed
            \li \image imagine/images/pageindicator-delegate-pressed.png
            \li
        \row
            \li
            \li delegate
            \li current
            \li \image imagine/images/pageindicator-delegate-current.png
            \li
        \row
            \li \l Pane
            \li background
            \li
            \li \image imagine/images/pane-background.9.png
            \li
        \row
            \li \l Popup
            \li background
            \li
            \li \image imagine/images/popup-background.9.png
            \li \l {sup1}{See footnote} \sup 1
        \row
            \li
            \li overlay
            \li
            \li \image imagine/images/popup-overlay.png
            \li \l {sup1}{See footnote} \sup 1
        \row
            \li
            \li overlay
            \li modal
            \li \image imagine/images/popup-overlay-modal.png
            \li
        \row
            \li \l ProgressBar
            \li background
            \li
            \li \image imagine/images/progressbar-background.9.png
            \li
        \row
            \li
            \li progress
            \li
            \li \image imagine/images/progressbar-progress.png
            \li
        \row
            \li
            \li mask
            \li
            \li \image imagine/images/progressbar-mask.9.png
            \li
        \row
            \li \l RadioButton
            \li indicator
            \li
            \li \image imagine/images/radiobutton-indicator.png
            \li
        \row
            \li
            \li indicator
            \li disabled
            \li \image imagine/images/radiobutton-indicator-disabled.png
            \li
        \row
            \li
            \li indicator
            \li pressed
            \li \image imagine/images/radiobutton-indicator-pressed.png
            \li
        \row
            \li
            \li indicator
            \li checked
            \li \image imagine/images/radiobutton-indicator-checked.png
            \li
        \row
            \li
            \li indicator
            \li checked, focused
            \li \image imagine/images/radiobutton-indicator-checked-focused.png
            \li
        \row
            \li
            \li indicator
            \li checked, hovered
            \li \image imagine/images/radiobutton-indicator-checked-hovered.png
            \li
        \row
            \li
            \li indicator
            \li checked, pressed
            \li \image imagine/images/radiobutton-indicator-checked-pressed.png
            \li
        \row
            \li
            \li indicator
            \li focused
            \li \image imagine/images/radiobutton-indicator-focused.png
            \li
        \row
            \li
            \li indicator
            \li hovered
            \li \image imagine/images/radiobutton-indicator-hovered.png
            \li
        \row
            \li \l RadioDelegate
            \li background
            \li
            \li \image imagine/images/radiodelegate-background.9.png
            \li
        \row
            \li
            \li background
            \li disabled
            \li \image imagine/images/radiodelegate-background-disabled.9.png
            \li
        \row
            \li
            \li background
            \li pressed
            \li \image imagine/images/radiodelegate-background-pressed.9.png
            \li
        \row
            \li
            \li background
            \li focused
            \li \image imagine/images/radiodelegate-background-focused.9.png
            \li
        \row
            \li
            \li background
            \li hovered
            \li \image imagine/images/radiodelegate-background-hovered.9.png
            \li
        \row
            \li
            \li indicator
            \li
            \li \image imagine/images/radiodelegate-indicator.png
            \li
        \row
            \li
            \li indicator
            \li disabled
            \li \image imagine/images/radiodelegate-indicator-disabled.png
            \li
        \row
            \li
            \li indicator
            \li pressed
            \li \image imagine/images/radiodelegate-indicator-pressed.png
            \li
        \row
            \li
            \li indicator
            \li checked
            \li \image imagine/images/radiodelegate-indicator-checked.png
            \li
        \row
            \li
            \li indicator
            \li checked, focused
            \li \image imagine/images/radiodelegate-indicator-checked-focused.png
            \li
        \row
            \li
            \li indicator
            \li checked, hovered
            \li \image imagine/images/radiodelegate-indicator-checked-hovered.png
            \li
        \row
            \li
            \li indicator
            \li checked, pressed
            \li \image imagine/images/radiodelegate-indicator-checked-pressed.png
            \li
        \row
            \li
            \li indicator
            \li focused
            \li \image imagine/images/radiodelegate-indicator-focused.png
            \li
        \row
            \li
            \li indicator
            \li hovered
            \li \image imagine/images/radiodelegate-indicator-hovered.png
            \li
        \row
            \li \l RangeSlider
            \li background
            \li vertical
            \li \image imagine/images/rangeslider-background-vertical.9.png
            \li
        \row
            \li
            \li background
            \li horizontal
            \li \image imagine/images/rangeslider-background-horizontal.9.png
            \li
        \row
            \li
            \li progress
            \li vertical
            \li \image imagine/images/rangeslider-progress-vertical.9.png
            \li
        \row
            \li
            \li progress
            \li vertical, disabled
            \li \image imagine/images/rangeslider-progress-vertical-disabled.9.png
            \li
        \row
            \li
            \li progress
            \li horizontal
            \li \image imagine/images/rangeslider-progress-horizontal.9.png
            \li
        \row
            \li
            \li progress
            \li horizontal, disabled
            \li \image imagine/images/rangeslider-progress-horizontal-disabled.9.png
            \li
        \row
            \li
            \li handle
            \li
            \li \image imagine/images/rangeslider-handle.png
            \li
        \row
            \li
            \li handle
            \li disabled
            \li \image imagine/images/rangeslider-handle-disabled.png
            \li
        \row
            \li
            \li handle
            \li focused
            \li \image imagine/images/rangeslider-handle-focused.png
            \li
        \row
            \li
            \li handle
            \li focused, hovered
            \li \image imagine/images/rangeslider-handle-focused-hovered.png
            \li
        \row
            \li
            \li handle
            \li focused, pressed
            \li \image imagine/images/rangeslider-handle-focused-pressed.png
            \li
        \row
            \li
            \li handle
            \li hovered
            \li \image imagine/images/rangeslider-handle-hovered.png
            \li
        \row
            \li
            \li handle
            \li pressed
            \li \image imagine/images/rangeslider-handle-pressed.png
            \li
        \row
            \li \l RoundButton
            \li background
            \li
            \li \image imagine/images/roundbutton-background.png
            \li
        \row
            \li
            \li background
            \li disabled
            \li \image imagine/images/roundbutton-background-disabled.png
            \li
        \row
            \li
            \li background
            \li disabled, checked
            \li \image imagine/images/roundbutton-background-disabled-checked.png
            \li
        \row
            \li
            \li background
            \li focused
            \li \image imagine/images/roundbutton-background-focused.png
            \li
        \row
            \li
            \li background
            \li pressed
            \li \image imagine/images/roundbutton-background-pressed.png
            \li
        \row
            \li
            \li background
            \li checked
            \li \image imagine/images/roundbutton-background-checked.png
            \li
        \row
            \li
            \li background
            \li checked, focused
            \li \image imagine/images/roundbutton-background-checked-focused.png
            \li
        \row
            \li
            \li background
            \li checked, hovered
            \li \image imagine/images/roundbutton-background-checked-hovered.png
            \li
        \row
            \li
            \li background
            \li highlighted
            \li \image imagine/images/roundbutton-background-highlighted.png
            \li
        \row
            \li
            \li background
            \li highlighted, pressed
            \li \image imagine/images/roundbutton-background-highlighted-pressed.png
            \li
        \row
            \li
            \li background
            \li highlighted, focused
            \li \image imagine/images/roundbutton-background-highlighted-focused.png
            \li
        \row
            \li
            \li background
            \li highlighted, hovered
            \li \image imagine/images/roundbutton-background-highlighted-hovered.png
            \li
        \row
            \li
            \li background
            \li hovered
            \li \image imagine/images/roundbutton-background-hovered.png
            \li
        \row
            \li \l ScrollBar
            \li handle
            \li
            \li \image imagine/images/scrollbar-handle.png
            \li
        \row
            \li
            \li handle
            \li disabled
            \li \image imagine/images/scrollbar-handle-disabled.png
            \li
        \row
            \li
            \li handle
            \li interactive
            \li \image imagine/images/scrollbar-handle-interactive.png
            \li
        \row
            \li
            \li handle
            \li interactive, disabled
            \li \image imagine/images/scrollbar-handle-interactive-disabled.png
            \li
        \row
            \li
            \li handle
            \li interactive, pressed
            \li \image imagine/images/scrollbar-handle-interactive-pressed.png
            \li
        \row
            \li
            \li handle
            \li interactive, hovered
            \li \image imagine/images/scrollbar-handle-interactive-hovered.png
            \li
        \row
            \li \l ScrollIndicator
            \li handle
            \li
            \li \image imagine/images/scrollindicator-handle.png
            \li
        \row
            \li \l Slider
            \li background
            \li vertical
            \li \image imagine/images/slider-background-vertical.9.png
            \li
        \row
            \li
            \li background
            \li horizontal
            \li \image imagine/images/slider-background-horizontal.9.png
            \li
        \row
            \li
            \li progress
            \li vertical
            \li \image imagine/images/slider-progress-vertical.9.png
            \li
        \row
            \li
            \li progress
            \li vertical, disabled
            \li \image imagine/images/slider-progress-vertical-disabled.9.png
            \li
        \row
            \li
            \li progress
            \li horizontal
            \li \image imagine/images/slider-progress-horizontal.9.png
            \li
        \row
            \li
            \li progress
            \li horizontal, disabled
            \li \image imagine/images/slider-progress-horizontal-disabled.9.png
            \li
        \row
            \li
            \li handle
            \li
            \li \image imagine/images/slider-handle.png
            \li
        \row
            \li
            \li handle
            \li disabled
            \li \image imagine/images/slider-handle-disabled.png
            \li
        \row
            \li
            \li handle
            \li focused
            \li \image imagine/images/slider-handle-focused.png
            \li
        \row
            \li
            \li handle
            \li focused, hovered
            \li \image imagine/images/slider-handle-focused-hovered.png
            \li
        \row
            \li
            \li handle
            \li focused, pressed
            \li \image imagine/images/slider-handle-focused-pressed.png
            \li
        \row
            \li
            \li handle
            \li hovered
            \li \image imagine/images/slider-handle-hovered.png
            \li
        \row
            \li
            \li handle
            \li pressed
            \li \image imagine/images/slider-handle-pressed.png
            \li
        \row
            \li \l SpinBox
            \li background
            \li
            \li \image imagine/images/spinbox-background.9.png
            \li
        \row
            \li
            \li background
            \li disabled
            \li \image imagine/images/spinbox-background-disabled.9.png
            \li
        \row
            \li
            \li background
            \li focused
            \li \image imagine/images/spinbox-background-focused.9.png
            \li
        \row
            \li
            \li background
            \li editable
            \li \image imagine/images/spinbox-background-editable.9.png
            \li
        \row
            \li
            \li indicator
            \li up
            \li \image imagine/images/spinbox-indicator-up.9.png
            \li
        \row
            \li
            \li indicator
            \li up, disabled
            \li \image imagine/images/spinbox-indicator-up-disabled.9.png
            \li
        \row
            \li
            \li indicator
            \li up, pressed
            \li \image imagine/images/spinbox-indicator-up-pressed.9.png
            \li
        \row
            \li
            \li indicator
            \li up, focused
            \li \image imagine/images/spinbox-indicator-up-focused.9.png
            \li
        \row
            \li
            \li indicator
            \li up, mirrored
            \li \image imagine/images/spinbox-indicator-up-mirrored.9.png
            \li
        \row
            \li
            \li indicator
            \li up, hovered
            \li \image imagine/images/spinbox-indicator-up-hovered.9.png
            \li
        \row
            \li
            \li indicator
            \li up, editable
            \li \image imagine/images/spinbox-indicator-up-editable.9.png
            \li
        \row
            \li
            \li indicator
            \li up, editable, pressed
            \li \image imagine/images/spinbox-indicator-up-editable-pressed.9.png
            \li
        \row
            \li
            \li indicator
            \li up, editable, focused
            \li \image imagine/images/spinbox-indicator-up-editable-focused.9.png
            \li
        \row
            \li
            \li indicator
            \li up, editable, mirrored
            \li \image imagine/images/spinbox-indicator-up-editable-mirrored.9.png
            \li
        \row
            \li
            \li indicator
            \li up, editable, hovered
            \li \image imagine/images/spinbox-indicator-up-editable-hovered.9.png
            \li
        \row
            \li
            \li indicator
            \li down
            \li \image imagine/images/spinbox-indicator-down.9.png
            \li
        \row
            \li
            \li indicator
            \li down, disabled
            \li \image imagine/images/spinbox-indicator-down-disabled.9.png
            \li
        \row
            \li
            \li indicator
            \li down, pressed
            \li \image imagine/images/spinbox-indicator-down-pressed.9.png
            \li
        \row
            \li
            \li indicator
            \li down, focused
            \li \image imagine/images/spinbox-indicator-down-focused.9.png
            \li
        \row
            \li
            \li indicator
            \li down, mirrored
            \li \image imagine/images/spinbox-indicator-down-mirrored.9.png
            \li
        \row
            \li
            \li indicator
            \li down, hovered
            \li \image imagine/images/spinbox-indicator-down-hovered.9.png
            \li
        \row
            \li
            \li indicator
            \li down, editable
            \li \image imagine/images/spinbox-indicator-down-editable.9.png
            \li
        \row
            \li
            \li indicator
            \li down, editable, pressed
            \li \image imagine/images/spinbox-indicator-down-editable-pressed.9.png
            \li
        \row
            \li
            \li indicator
            \li down, editable, focused
            \li \image imagine/images/spinbox-indicator-down-editable-focused.9.png
            \li
        \row
            \li
            \li indicator
            \li down, editable, mirrored
            \li \image imagine/images/spinbox-indicator-down-editable-mirrored.9.png
            \li
        \row
            \li
            \li indicator
            \li down, editable, hovered
            \li \image imagine/images/spinbox-indicator-down-editable-hovered.9.png
            \li
        \row
            \li \l SwipeDelegate
            \li background
            \li
            \li \image imagine/images/swipedelegate-background.9.png
            \li
        \row
            \li
            \li background
            \li disabled
            \li \image imagine/images/swipedelegate-background-disabled.9.png
            \li
        \row
            \li
            \li background
            \li pressed
            \li \image imagine/images/swipedelegate-background-pressed.9.png
            \li
        \row
            \li
            \li background
            \li focused
            \li \image imagine/images/swipedelegate-background-focused.9.png
            \li
        \row
            \li
            \li background
            \li hovered
            \li \image imagine/images/swipedelegate-background-hovered.9.png
            \li
        \row
            \li \l Switch
            \li indicator
            \li
            \li \image imagine/images/switch-indicator.png
            \li
        \row
            \li
            \li indicator
            \li disabled
            \li \image imagine/images/switch-indicator-disabled.png
            \li
        \row
            \li
            \li indicator
            \li pressed
            \li \image imagine/images/switch-indicator-pressed.png
            \li
        \row
            \li
            \li indicator
            \li checked
            \li \image imagine/images/switch-indicator-checked.png
            \li
        \row
            \li
            \li indicator
            \li checked, focused
            \li \image imagine/images/switch-indicator-checked-focused.png
            \li
        \row
            \li
            \li indicator
            \li checked, hovered
            \li \image imagine/images/switch-indicator-checked-hovered.png
            \li
        \row
            \li
            \li indicator
            \li checked, pressed
            \li \image imagine/images/switch-indicator-checked-pressed.png
            \li
        \row
            \li
            \li indicator
            \li focused
            \li \image imagine/images/switch-indicator-focused.png
            \li
        \row
            \li
            \li indicator
            \li hovered
            \li \image imagine/images/switch-indicator-hovered.png
            \li
        \row
            \li
            \li handle
            \li
            \li \image imagine/images/switch-handle.png
            \li
        \row
            \li
            \li handle
            \li disabled
            \li \image imagine/images/switch-handle-disabled.png
            \li
        \row
            \li
            \li handle
            \li pressed
            \li \image imagine/images/switch-handle-pressed.png
            \li
        \row
            \li \l SwitchDelegate
            \li background
            \li
            \li \image imagine/images/switchdelegate-background.9.png
            \li
        \row
            \li
            \li background
            \li disabled
            \li \image imagine/images/switchdelegate-background-disabled.9.png
            \li
        \row
            \li
            \li background
            \li pressed
            \li \image imagine/images/switchdelegate-background-pressed.9.png
            \li
        \row
            \li
            \li background
            \li focused
            \li \image imagine/images/switchdelegate-background-focused.9.png
            \li
        \row
            \li
            \li background
            \li hovered
            \li \image imagine/images/switchdelegate-background-hovered.9.png
            \li
        \row
            \li
            \li indicator
            \li
            \li \image imagine/images/switchdelegate-indicator.png
            \li
        \row
            \li
            \li indicator
            \li disabled
            \li \image imagine/images/switchdelegate-indicator-disabled.png
            \li
        \row
            \li
            \li indicator
            \li pressed
            \li \image imagine/images/switchdelegate-indicator-pressed.png
            \li
        \row
            \li
            \li indicator
            \li checked
            \li \image imagine/images/switchdelegate-indicator-checked.png
            \li
        \row
            \li
            \li indicator
            \li checked, focused
            \li \image imagine/images/switchdelegate-indicator-checked-focused.png
            \li
        \row
            \li
            \li indicator
            \li checked, hovered
            \li \image imagine/images/switchdelegate-indicator-checked-hovered.png
            \li
        \row
            \li
            \li indicator
            \li checked, pressed
            \li \image imagine/images/switchdelegate-indicator-checked-pressed.png
            \li
        \row
            \li
            \li indicator
            \li focused
            \li \image imagine/images/switchdelegate-indicator-focused.png
            \li
        \row
            \li
            \li indicator
            \li hovered
            \li \image imagine/images/switchdelegate-indicator-hovered.png
            \li
        \row
            \li
            \li handle
            \li
            \li \image imagine/images/switchdelegate-handle.png
            \li
        \row
            \li
            \li handle
            \li disabled
            \li \image imagine/images/switchdelegate-handle-disabled.png
            \li
        \row
            \li \l TabBar
            \li background
            \li
            \li \image imagine/images/tabbar-background.png
            \li
        \row
            \li \l TabButton
            \li background
            \li
            \li \image imagine/images/tabbutton-background.9.png
            \li
        \row
            \li
            \li background
            \li disabled
            \li \image imagine/images/tabbutton-background-disabled.9.png
            \li
        \row
            \li
            \li background
            \li pressed
            \li \image imagine/images/tabbutton-background-pressed.9.png
            \li
        \row
            \li
            \li background
            \li checked
            \li \image imagine/images/tabbutton-background-checked.9.png
            \li
        \row
            \li
            \li background
            \li hovered
            \li \image imagine/images/tabbutton-background-hovered.9.png
            \li
        \row
            \li
            \li background
            \li disabled, checked
            \li \image imagine/images/tabbutton-background-disabled-checked.9.png
            \li
        \row
            \li \l TextArea
            \li background
            \li
            \li \image imagine/images/textarea-background.9.png
            \li
        \row
            \li
            \li background
            \li disabled
            \li \image imagine/images/textarea-background-disabled.9.png
            \li
        \row
            \li
            \li background
            \li focused
            \li \image imagine/images/textarea-background-focused.9.png
            \li
        \row
            \li \l TextField
            \li background
            \li
            \li \image imagine/images/textfield-background.9.png
            \li
        \row
            \li
            \li background
            \li disabled
            \li \image imagine/images/textfield-background-disabled.9.png
            \li
        \row
            \li
            \li background
            \li focused
            \li \image imagine/images/textfield-background-focused.9.png
            \li
        \row
            \li \l ToolBar
            \li background
            \li
            \li \image imagine/images/toolbar-background.png
            \li
        \row
            \li \l ToolButton
            \li background
            \li
            \li \image imagine/images/toolbutton-background.9.png
            \li
        \row
            \li
            \li background
            \li disabled, checked
            \li \image imagine/images/toolbutton-background-disabled-checked.9.png
            \li
        \row
            \li
            \li background
            \li focused
            \li \image imagine/images/toolbutton-background-focused.9.png
            \li
        \row
            \li
            \li background
            \li pressed
            \li \image imagine/images/toolbutton-background-pressed.9.png
            \li
        \row
            \li
            \li background
            \li checked
            \li \image imagine/images/toolbutton-background-checked.9.png
            \li
        \row
            \li
            \li background
            \li checked, focused
            \li \image imagine/images/toolbutton-background-checked-focused.9.png
            \li
        \row
            \li
            \li background
            \li checked, hovered
            \li \image imagine/images/toolbutton-background-checked-hovered.9.png
            \li
        \row
            \li
            \li background
            \li hovered
            \li \image imagine/images/toolbutton-background-hovered.9.png
            \li
        \row
            \li \l ToolSeparator
            \li separator
            \li horizontal
            \li \image imagine/images/toolseparator-separator-horizontal.9.png
            \li
        \row
            \li
            \li separator
            \li vertical
            \li \image imagine/images/toolseparator-separator-vertical.9.png
            \li
        \row
            \li \l ToolTip
            \li background
            \li
            \li \image imagine/images/tooltip-background.9.png
            \li
    \endtable

    \target sup1
    \sup 1 A 1x1 image containing one color, stretched to fill the control.

    \section2 9-Patch Images

    The Imagine style uses \l
    {https://developer.android.com/guide/topics/graphics/2d-graphics.html#nine-patch}{9-patch
    images} in order to give designers control over how a particular element
    responds to being resized. Here is an example of a 9-patch image that
    represents a \l {Button}'s \l {Control::}{background}, alongside a
    magnified version (to make it easier to see the 9-patch lines):

    \image qtquickcontrols2-imagine-9-patch-4x.png

    The content of the image is 44 pixels wide by 32 pixels high. Every 9-patch
    image needs a one pixel thick line (collectively referred to as
    "9-patch lines") around every side, so the actual size of the image becomes
    46 pixels wide by 34 pixels high. Note that the 9-patch lines must be one
    pixel thick regardless of the target DPI of the image. For example,
    the 9-patch lines for button-background.9.png and button-background@2x.9.png
    must both be one pixel thick.

    The 9-patch lines must be black, and the remaining areas must be transparent
    or white:

    \image qtquickcontrols2-imagine-9-patch-size.png

    \section3 Stretchable Areas

    The 9-patch lines on the top and left edges determine which parts of the
    image are stretched when it is resized.

    Below are examples of the 9-patch image being resized to one and a half
    times its original size in various dimensions:

    \image qtquickcontrols2-imagine-9-patch-resized-stretchable.png

    Notice how the the rounded corners keep their original size, as they are
    outside the range of the lines.

    \section3 Padding Areas

    The 9-patch lines on the right and bottom edges determine how much space
    is available for the control's \l {Control::}{contentItem}, which means it
    can also be thought of as controlling the \l {Control::}{padding}. For a
    diagram that illustrates padding, see \l {Control Layout}.

    Below are more examples of the 9-patch image being resized, but this time
    demonstrating how the padding 9-patch lines work.

    \image qtquickcontrols2-imagine-9-patch-resized-padding.png

    The \c contentItem can take up as much space as it needs within the shaded
    areas. If the padding lines are left out, the \c contentItem will take as
    much space as it needs without exceeding the stretchable areas.

    \section3 Inset Areas

    In some cases it is necessary for a control to have a drop shadow, for
    example. However, if we were to add a drop shadow to the button above, it
    would affect its size, which presents problems for both layouting and
    mouse/touch input boundaries.

    Inset areas accounts for this by telling the control that a certain area of
    the 9-patch image should go outside of the control:

    \image qtquickcontrols2-imagine-9-patch-inset.png

    In the image below, the dashed line represents the button's clickable area,
    as well as the space that it will take up in a layout. The shadow is marked
    by the striped area behind it:

    \image qtquickcontrols2-imagine-9-patch-inset-boundaries.png

    \section3 Exporting 9-Patch Images

    Various vector and bitmap editors can be used to create 9-patch images
    suitable for use with the Imagine style. The following sections briefly
    explain the export process for each editor, and the last section explains
    how to ensure the exported images are 9-patch-conformant.

    \section4 Illustrator

    See Adobe's
    \l {https://helpx.adobe.com/in/illustrator/using/collect-assets-export-for-screens.html#panel}
    {Asset Export panel} documentation.

    \section4 Inkscape

    The \l {https://github.com/mitchcurtis/inkscape-9-patch-export}
    {Inkscape 9-Patch Export Extension} can be used to export assets with
    Inkscape.

    \section4 Photoshop

    See Adobe's
    \l {https://helpx.adobe.com/photoshop/using/generate-assets-layers.html}
    {Generate image assets from layers} documentation.

    \section4 Sketch

    See Sketch's \l {https://sketchapp.com/docs/exporting/}{Exporting} documentation.

    Qt Quick Controls 2 also provides a
    \l {http://code.qt.io/cgit/qt/qtquickcontrols2.git/tree/src/imports/controls/imagine/design}
    {plugin} for Sketch that automatically fixes the thickness of the 9-patch lines
    after the assets are exported. To install this file, double-click on it.
    Once Sketch has confirmed that the 9-patch export plugin has been installed,
    the plugin will automatically process images when they are exported.

    \section4 Fixing 9-Patch Lines

    When exporting 9-patch images in several DPI variants (\c {@2x}, \c {@3x},
    etc.), the 9-patch lines will typically be scaled up along with the image.
    There are several ways to fix this, but perhaps the simplest approach is
    to use \l {https://www.imagemagick.org/script/mogrify.php}{ImageMagick's mogrify}
    tool. The tool has a \c -shave feature that can be used to crop the image
    to reduce the thickness of the 9-patch lines:

    \badcode
    mogrify -shave 1x1 -path path/to/images *@2x.9.png
    mogrify -shave 2x2 -path path/to/images *@3x.9.png
    mogrify -shave 3x3 -path path/to/images *@4x.9.png
    \endcode

    Regular DPI images (those without the \c @Nx prefix) are not affected, so it
    is only necessary to run the command on images intended for high DPI displays.

    \section2 Animated Images

    The \l {https://developers.google.com/speed/webp/}{WebP} and GIF animated
    image formats are supported by the Imagine style.

    \section2 Palette

    \section2 Customization

    The Imagine style allows customizing the \l {imagine-path-attached-prop}{path}
    that is used to do the image asset selection. The path can be specified for any
    window or item, and it automatically propagates to children in the same manner as
    \l {Control::font}{fonts}. In the following example, the window and all three radio
    buttons appear with dark image assets (files that are located in "qrc:/themes/dark").

    \table
        \row
            \li
                \qml
                import QtQuick 2.0
                import QtQuick.Controls 2.3
                import QtQuick.Controls.Imagine 2.3

                ApplicationWindow {
                    visible: true

                    Imagine.path: "qrc:/themes/dark"

                    Column {
                        anchors.centerIn: parent

                        RadioButton { text: qsTr("Small") }
                        RadioButton { text: qsTr("Medium"); checked: true }
                        RadioButton { text: qsTr("Large") }
                    }
                }
                \endqml
            \li
                \image qtquickcontrols2-imagine-customization-dark.png
    \endtable

    In addition to specifying the path in QML, it is also possible to specify
    it via an environment variable or in a configuration file. Attributes
    specified in QML take precedence over all other methods.

    \section3 Configuration File

    \include qquickimaginestyle.qdocinc conf

    See \l {Qt Quick Controls 2 Configuration File} for more details about the
    configuration file.

    \section3 Environment Variables

    \include qquickimaginestyle.qdocinc env

    See \l {Supported Environment Variables in Qt Quick Controls 2} for the full
    list of supported environment variables.

    \section2 Dependency

    The Imagine style must be separately imported to gain access to the
    attributes that are specific to the Imagine style. It should be noted
    that regardless of the references to the Imagine style, the same
    application code runs with any other style. Imagine-specific attributes
    only have an effect when the application is run with the Imagine style.

    If the Imagine style is imported in a QML file that is always loaded, the
    Imagine style must be deployed with the application in order to be able
    to run the application regardless of which style the application is run with.
    By using \l {Using File Selectors with Qt Quick Controls 2}{file selectors},
    style-specific tweaks can be applied without creating a hard dependency to
    a style.

    \b {See also} \l {Styling Qt Quick Controls 2}

    \section1 Attached Property Documentation

    \styleproperty {Imagine.path} {string} {imagine-path-attached-prop}
    \target imagine-path-attached-prop
    This attached property holds the path to the image assets...

    \code
    Button {
        Imagine.path: "qrc:/themes/dark"
    }
    \endcode

    \endstyleproperty

    \section1 Related Information

    \list
      \li \l{Styling Qt Quick Controls 2}
      \li \l{Qt Quick Controls 2 - Imagine Style Example: Automotive}{Automotive Example}
      \li \l{Qt Quick Controls 2 - Imagine Style Example: Music Player}{Music Player Example}
    \endlist
*/
