diff options
author | aavit <eirik.aavitsland@digia.com> | 2013-10-08 16:55:15 +0200 |
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committer | Eirik Aavitsland <eirik.aavitsland@digia.com> | 2013-10-09 11:33:52 +0300 |
commit | bcc6a8fe80f2f31605afaae63e1b05051c0deb5f (patch) | |
tree | 408bb294cb2fb813f2b86fcf0ae90e0f9d1c3d88 /basicsuite/Media Player/Effects/EffectRipple.qml | |
parent | ecd752748fd0385d6b22712663c0e1d1c87921af (diff) |
Moved Media Player and Camera from experimental to basicsuite
Change-Id: I8fd2335614062e1ca09f385ad6c0ae0dd19d694c
Reviewed-by: Pasi Petäjäjärvi <pasi.petajajarvi@digia.com>
Diffstat (limited to 'basicsuite/Media Player/Effects/EffectRipple.qml')
-rwxr-xr-x | basicsuite/Media Player/Effects/EffectRipple.qml | 98 |
1 files changed, 98 insertions, 0 deletions
diff --git a/basicsuite/Media Player/Effects/EffectRipple.qml b/basicsuite/Media Player/Effects/EffectRipple.qml new file mode 100755 index 0000000..7a82f50 --- /dev/null +++ b/basicsuite/Media Player/Effects/EffectRipple.qml @@ -0,0 +1,98 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the Qt Mobility Components. +** +** $QT_BEGIN_LICENSE:LGPL$ +** 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 Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +import QtQuick 2.0 + +Effect { + parameters: ListModel { + ListElement { + name: "amplitude" + value: 0.5 + } + ListElement { + name: "frequency" + value: 0.5 + } + } + + // Transform slider values, and bind result to shader uniforms + property real amplitude: parameters.get(0).value * 0.03 + property real n: parameters.get(1).value * 7 + + property real time: 0 + NumberAnimation on time { loops: Animation.Infinite; from: 0; to: Math.PI * 2; duration: 600 } + + fragmentShaderSrc: "uniform float dividerValue; + uniform float targetWidth; + uniform float targetHeight; + uniform float time; + + uniform sampler2D source; + uniform lowp float qt_Opacity; + varying vec2 qt_TexCoord0; + + const float PI = 3.1415926535; + const int ITER = 7; + const float RATE = 0.1; + uniform float amplitude; + uniform float n; + + void main() + { + vec2 uv = qt_TexCoord0.xy; + vec2 tc = uv; + vec2 p = vec2(-1.0 + 2.0 * gl_FragCoord.x / targetWidth, -(-1.0 + 2.0 * gl_FragCoord.y / targetHeight)); + float diffx = 0.0; + float diffy = 0.0; + vec4 col; + if (uv.x < dividerValue) { + for (int i=0; i<ITER; ++i) { + float theta = float(i) * PI / float(ITER); + vec2 r = vec2(cos(theta) * p.x + sin(theta) * p.y, -1.0 * sin(theta) * p.x + cos(theta) * p.y); + float diff = (sin(2.0 * PI * n * (r.y + time * RATE)) + 1.0) / 2.0; + diffx += diff * sin(theta); + diffy += diff * cos(theta); + } + tc = 0.5*(vec2(1.0,1.0) + p) + amplitude * vec2(diffx, diffy); + } + gl_FragColor = qt_Opacity * texture2D(source, tc); + }" +} |