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| |
| #include "qsgninepatchnode.h" |
| |
| QT_BEGIN_NAMESPACE |
| |
| /*! |
| \class QSGNinePatchNode |
| \inmodule QtQuick |
| \since 5.8 |
| \internal |
| */ |
| |
| /*! |
| \fn void QSGNinePatchNode::setTexture(QSGTexture *texture) |
| \internal |
| */ |
| |
| /*! |
| \fn void QSGNinePatchNode::setBounds(const QRectF &bounds) |
| \internal |
| */ |
| |
| /*! |
| \fn void QSGNinePatchNode::setDevicePixelRatio(qreal ratio) |
| \internal |
| */ |
| |
| /*! |
| \fn void QSGNinePatchNode::setPadding(qreal left, qreal top, qreal right, qreal bottom) |
| \internal |
| */ |
| |
| |
| /*! |
| \fn void QSGNinePatchNode::update() |
| \internal |
| */ |
| |
| void QSGNinePatchNode::rebuildGeometry(QSGTexture *texture, QSGGeometry *geometry, const QVector4D &padding, |
| const QRectF &bounds, qreal dpr) |
| { |
| if (padding.x() <= 0 && padding.y() <= 0 && padding.z() <= 0 && padding.w() <= 0) { |
| geometry->allocate(4, 0); |
| QSGGeometry::updateTexturedRectGeometry(geometry, bounds, texture->normalizedTextureSubRect()); |
| return; |
| } |
| |
| QRectF tc = texture->normalizedTextureSubRect(); |
| QSize ts = texture->textureSize(); |
| ts.setHeight(ts.height() / dpr); |
| ts.setWidth(ts.width() / dpr); |
| |
| qreal invtw = tc.width() / ts.width(); |
| qreal invth = tc.height() / ts.height(); |
| |
| struct Coord { qreal p; qreal t; }; |
| Coord cx[4] = { { bounds.left(), tc.left() }, |
| { bounds.left() + padding.x(), tc.left() + padding.x() * invtw }, |
| { bounds.right() - padding.z(), tc.right() - padding.z() * invtw }, |
| { bounds.right(), tc.right() } |
| }; |
| Coord cy[4] = { { bounds.top(), tc.top() }, |
| { bounds.top() + padding.y(), tc.top() + padding.y() * invth }, |
| { bounds.bottom() - padding.w(), tc.bottom() - padding.w() * invth }, |
| { bounds.bottom(), tc.bottom() } |
| }; |
| |
| geometry->allocate(16, 28); |
| QSGGeometry::TexturedPoint2D *v = geometry->vertexDataAsTexturedPoint2D(); |
| for (int y = 0; y < 4; ++y) { |
| for (int x = 0; x < 4; ++x) { |
| v->set(cx[x].p, cy[y].p, cx[x].t, cy[y].t); |
| ++v; |
| } |
| } |
| |
| quint16 *i = geometry->indexDataAsUShort(); |
| for (int r = 0; r < 3; ++r) { |
| if (r > 0) |
| *i++ = 4 * r; |
| for (int c = 0; c < 4; ++c) { |
| i[0] = 4 * r + c; |
| i[1] = 4 * r + c + 4; |
| i += 2; |
| } |
| if (r < 2) |
| *i++ = 4 * r + 3 + 4; |
| } |
| } |
| |
| QT_END_NAMESPACE |