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Diffstat (limited to 'src/declarative/items/qquickshadereffectmesh.cpp')
| -rw-r--r-- | src/declarative/items/qquickshadereffectmesh.cpp | 216 |
1 files changed, 0 insertions, 216 deletions
diff --git a/src/declarative/items/qquickshadereffectmesh.cpp b/src/declarative/items/qquickshadereffectmesh.cpp deleted file mode 100644 index 7709bed614..0000000000 --- a/src/declarative/items/qquickshadereffectmesh.cpp +++ /dev/null @@ -1,216 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). -** All rights reserved. -** Contact: Nokia Corporation (qt-info@nokia.com) -** -** This file is part of the QtDeclarative module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** GNU Lesser General Public License Usage -** 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, Nokia gives you certain additional -** rights. These rights are described in the Nokia 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. -** -** Other Usage -** Alternatively, this file may be used in accordance with the terms and -** conditions contained in a signed written agreement between you and Nokia. -** -** -** -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qquickshadereffectmesh_p.h" -#include "qsggeometry.h" -#include "qquickshadereffect_p.h" - -QT_BEGIN_NAMESPACE - -QQuickShaderEffectMesh::QQuickShaderEffectMesh(QObject *parent) - : QObject(parent) -{ -} - -/*! - \qmlclass GridMesh QQuickGridMesh - \inqmlmodule QtQuick 2 - \ingroup qml-utility-elements - \brief GridMesh defines a mesh with vertices arranged in a grid. - - GridMesh defines a rectangular mesh consisting of vertices arranged in an - evenly spaced grid. It is used to generate \l{QSGGeometry}{geometry}. - The grid resolution is specified with the \l resolution property. -*/ - -QQuickGridMesh::QQuickGridMesh(QObject *parent) - : QQuickShaderEffectMesh(parent) - , m_resolution(1, 1) -{ - connect(this, SIGNAL(resolutionChanged()), this, SIGNAL(geometryChanged())); -} - -QSGGeometry *QQuickGridMesh::updateGeometry(QSGGeometry *geometry, const QVector<QByteArray> &attributes, const QRectF &dstRect) const -{ - int vmesh = m_resolution.height(); - int hmesh = m_resolution.width(); - int attrCount = attributes.count(); - - if (!geometry) { - bool error = true; - Q_UNUSED(error) - switch (attrCount) { - case 0: - qWarning("QQuickGridMesh:: No attributes specified."); - break; - case 1: - if (attributes.at(0) == qtPositionAttributeName()) { - error = false; - break; - } - qWarning("QQuickGridMesh:: Missing \'%s\' attribute.", - qtPositionAttributeName()); - break; - case 2: - if (attributes.contains(qtPositionAttributeName()) - && attributes.contains(qtTexCoordAttributeName())) - { - error = false; - break; - } - qWarning("QQuickGridMesh:: Missing \'%s\' or \'%s\' attribute.", - qtPositionAttributeName(), qtTexCoordAttributeName()); - break; - default: - qWarning("QQuickGridMesh:: Too many attributes specified."); - break; - } - - geometry = new QSGGeometry(attrCount == 1 - ? QSGGeometry::defaultAttributes_Point2D() - : QSGGeometry::defaultAttributes_TexturedPoint2D(), - (vmesh + 1) * (hmesh + 1), vmesh * 2 * (hmesh + 2), - GL_UNSIGNED_SHORT); - - } else { - geometry->allocate((vmesh + 1) * (hmesh + 1), vmesh * 2 * (hmesh + 2)); - } - - QSGGeometry::Point2D *vdata = static_cast<QSGGeometry::Point2D *>(geometry->vertexData()); - - bool positionFirst = attributes.at(0) == qtPositionAttributeName(); - - QRectF srcRect(0, 0, 1, 1); - for (int iy = 0; iy <= vmesh; ++iy) { - float fy = iy / float(vmesh); - float y = float(dstRect.top()) + fy * float(dstRect.height()); - float ty = float(srcRect.top()) + fy * float(srcRect.height()); - for (int ix = 0; ix <= hmesh; ++ix) { - float fx = ix / float(hmesh); - for (int ia = 0; ia < attrCount; ++ia) { - if (positionFirst == (ia == 0)) { - vdata->x = float(dstRect.left()) + fx * float(dstRect.width()); - vdata->y = y; - ++vdata; - } else { - vdata->x = float(srcRect.left()) + fx * float(srcRect.width()); - vdata->y = ty; - ++vdata; - } - } - } - } - - quint16 *indices = (quint16 *)geometry->indexDataAsUShort(); - int i = 0; - for (int iy = 0; iy < vmesh; ++iy) { - *(indices++) = i + hmesh + 1; - for (int ix = 0; ix <= hmesh; ++ix, ++i) { - *(indices++) = i + hmesh + 1; - *(indices++) = i; - } - *(indices++) = i - 1; - } - - return geometry; -} - -/*! - \qmlproperty size QtQuick2::GridMesh::resolution - - This property holds the grid resolution. The resolution's width and height - specify the number of cells or spacings between vertices horizontally and - vertically respectively. The minimum and default is 1x1, which corresponds - to four vertices in total, one in each corner. - For non-linear vertex transformations, you probably want to set the - resolution higher. - - \row - \o \image declarative-gridmesh.png - \o \qml - import QtQuick 2.0 - - ShaderEffect { - width: 200 - height: 200 - mesh: GridMesh { - resolution: Qt.size(20, 20) - } - property variant source: Image { - source: "qt-logo.png" - sourceSize { width: 200; height: 200 } - smooth: true - } - vertexShader: " - uniform highp mat4 qt_Matrix; - attribute highp vec4 qt_Vertex; - attribute highp vec2 qt_MultiTexCoord0; - varying highp vec2 qt_TexCoord0; - uniform highp float width; - void main() { - highp vec4 pos = qt_Vertex; - highp float d = .5 * smoothstep(0., 1., qt_MultiTexCoord0.y); - pos.x = width * mix(d, 1.0 - d, qt_MultiTexCoord0.x); - gl_Position = qt_Matrix * pos; - qt_TexCoord0 = qt_MultiTexCoord0; - }" - } - \endqml - \endrow -*/ - -void QQuickGridMesh::setResolution(const QSize &res) -{ - if (res == m_resolution) - return; - if (res.width() < 1 || res.height() < 1) { - return; - } - m_resolution = res; - emit resolutionChanged(); -} - -QSize QQuickGridMesh::resolution() const -{ - return m_resolution; -} - -QT_END_NAMESPACE |