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Diffstat (limited to 'src/effects/RectangularGlow.qml')
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diff --git a/src/effects/RectangularGlow.qml b/src/effects/RectangularGlow.qml deleted file mode 100644 index a148de9..0000000 --- a/src/effects/RectangularGlow.qml +++ /dev/null @@ -1,278 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2020 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** This file is part of the Qt Graphical Effects module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:BSD$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/contact-us. -** -** BSD License Usage -** Alternatively, you may use this file under the terms of the BSD license -** as follows: -** -** "Redistribution and use in source and binary forms, with or without -** modification, are permitted provided that the following conditions are -** met: -** * Redistributions of source code must retain the above copyright -** notice, this list of conditions and the following disclaimer. -** * 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. -** * Neither the name of The Qt Company Ltd 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 -** OWNER 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." -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -import QtQuick 2.12 -import QtGraphicalEffects.private 1.12 - -/*! - \qmltype RectangularGlow - \inqmlmodule QtGraphicalEffects - \since QtGraphicalEffects 1.0 - \inherits QtQuick2::Item - \ingroup qtgraphicaleffects-glow - \brief Generates a blurred and colorized rectangle, which gives - the impression that the source is glowing. - - This effect is intended to have good performance. The shape of the glow is - limited to a rectangle with a custom corner radius. For situations where - custom shapes are required, consider \l {QtGraphicalEffects::Glow} {Glow} - effect. - - \table - \header - \li Effect applied - \row - \li \image RectangularGlow_applied.png - \endtable - - \section1 Example - - The following example shows how to apply the effect. - \snippet RectangularGlow-example.qml example -*/ -Item { - id: rootItem - - /*! - This property defines how many pixels outside the item area are reached - by the glow. - - The value ranges from 0.0 (no glow) to inf (infinite glow). By default, - the property is set to \c 0.0. - - \table - \header - \li Output examples with different glowRadius values - \li - \li - \row - \li \image RectangularGlow_glowRadius1.png - \li \image RectangularGlow_glowRadius2.png - \li \image RectangularGlow_glowRadius3.png - \row - \li \b { glowRadius: 10 } - \li \b { glowRadius: 20 } - \li \b { glowRadius: 40 } - \row - \li \l spread: 0 - \li \l spread: 0 - \li \l spread: 0 - \row - \li \l color: #ffffff - \li \l color: #ffffff - \li \l color: #ffffff - \row - \li \l cornerRadius: 25 - \li \l cornerRadius: 25 - \li \l cornerRadius: 25 - \endtable - - */ - property real glowRadius: 0.0 - - /*! - This property defines how large part of the glow color is strengthened - near the source edges. - - The value ranges from 0.0 (no strength increase) to 1.0 (maximum - strength increase). By default, the property is set to \c 0.0. - - \table - \header - \li Output examples with different spread values - \li - \li - \row - \li \image RectangularGlow_spread1.png - \li \image RectangularGlow_spread2.png - \li \image RectangularGlow_spread3.png - \row - \li \b { spread: 0.0 } - \li \b { spread: 0.5 } - \li \b { spread: 1.0 } - \row - \li \l glowRadius: 20 - \li \l glowRadius: 20 - \li \l glowRadius: 20 - \row - \li \l color: #ffffff - \li \l color: #ffffff - \li \l color: #ffffff - \row - \li \l cornerRadius: 25 - \li \l cornerRadius: 25 - \li \l cornerRadius: 25 - \endtable - */ - property real spread: 0.0 - - /*! - This property defines the RGBA color value which is used for the glow. - - By default, the property is set to \c "white". - - \table - \header - \li Output examples with different color values - \li - \li - \row - \li \image RectangularGlow_color1.png - \li \image RectangularGlow_color2.png - \li \image RectangularGlow_color3.png - \row - \li \b { color: #ffffff } - \li \b { color: #55ff55 } - \li \b { color: #5555ff } - \row - \li \l glowRadius: 20 - \li \l glowRadius: 20 - \li \l glowRadius: 20 - \row - \li \l spread: 0 - \li \l spread: 0 - \li \l spread: 0 - \row - \li \l cornerRadius: 25 - \li \l cornerRadius: 25 - \li \l cornerRadius: 25 - \endtable - */ - property color color: "white" - - /*! - This property defines the corner radius that is used to draw a glow with - rounded corners. - - The value ranges from 0.0 to half of the effective width or height of - the glow, whichever is smaller. This can be calculated with: \c{ - min(width, height) / 2.0 + glowRadius} - - By default, the property is bound to glowRadius property. The glow - behaves as if the rectangle was blurred when adjusting the glowRadius - property. - - \table - \header - \li Output examples with different cornerRadius values - \li - \li - \row - \li \image RectangularGlow_cornerRadius1.png - \li \image RectangularGlow_cornerRadius2.png - \li \image RectangularGlow_cornerRadius3.png - \row - \li \b { cornerRadius: 0 } - \li \b { cornerRadius: 25 } - \li \b { cornerRadius: 50 } - \row - \li \l glowRadius: 20 - \li \l glowRadius: 20 - \li \l glowRadius: 20 - \row - \li \l spread: 0 - \li \l spread: 0 - \li \l spread: 0 - \row - \li \l color: #ffffff - \li \l color: #ffffff - \li \l color: #ffffff - \endtable - */ - property real cornerRadius: glowRadius - - /*! - This property allows the effect output pixels to be cached in order to - improve the rendering performance. - - Every time the source or effect properties are changed, the pixels in - the cache must be updated. Memory consumption is increased, because an - extra buffer of memory is required for storing the effect output. - - It is recommended to disable the cache when the source or the effect - properties are animated. - - By default, the property is set to \c false. - */ - property bool cached: false - - ShaderEffectSource { - id: cacheItem - anchors.fill: shaderItem - visible: rootItem.cached - smooth: true - sourceItem: shaderItem - live: true - hideSource: visible - } - - ShaderEffect { - id: shaderItem - - x: (parent.width - width) / 2.0 - y: (parent.height - height) / 2.0 - width: parent.width + rootItem.glowRadius * 2 + cornerRadius * 2 - height: parent.height + rootItem.glowRadius * 2 + cornerRadius * 2 - - function clampedCornerRadius() { - var maxCornerRadius = Math.min(rootItem.width, rootItem.height) / 2 + glowRadius; - return Math.max(0, Math.min(rootItem.cornerRadius, maxCornerRadius)) - } - - property color color: rootItem.color - property real inverseSpread: 1.0 - rootItem.spread - property real relativeSizeX: ((inverseSpread * inverseSpread) * rootItem.glowRadius + cornerRadius * 2.0) / width - property real relativeSizeY: relativeSizeX * (width / height) - property real spread: rootItem.spread / 2.0 - property real cornerRadius: clampedCornerRadius() - - fragmentShader: "qrc:/qt-project.org/imports/QtGraphicalEffects/shaders_ng/rectangularglow.frag.qsb" - } -} |