qsgimagenode.cpp

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// Copyright (C) 2016 The Qt Company Ltd.
// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
 
#include "qsgimagenode.h"
 
QT_BEGIN_NAMESPACE
 
void QSGImageNode::rebuildGeometry(QSGGeometry *g,
                                   QSGTexture *texture,
                                   const QRectF &rect,
                                   QRectF sourceRect,
                                   TextureCoordinatesTransformMode texCoordMode)
{
    if (!texture)
        return;
 
    if (!sourceRect.width() || !sourceRect.height()) {
        QSize ts = texture->textureSize();
        sourceRect = QRectF(0, 0, ts.width(), ts.height());
    }
 
    // Maybe transform the texture coordinates
    if (texCoordMode.testFlag(QSGImageNode::MirrorHorizontally)) {
        float tmp = sourceRect.left();
        sourceRect.setLeft(sourceRect.right());
        sourceRect.setRight(tmp);
    }
    if (texCoordMode.testFlag(QSGImageNode::MirrorVertically)) {
        float tmp = sourceRect.top();
        sourceRect.setTop(sourceRect.bottom());
        sourceRect.setBottom(tmp);
    }
 
    QSGGeometry::updateTexturedRectGeometry(g, rect, texture->convertToNormalizedSourceRect(sourceRect));
}
 
QT_END_NAMESPACE