| 1 | // Copyright (C) 2014 Klaralvdalens Datakonsult AB (KDAB). |
|---|---|
| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only |
| 3 | |
| 4 | #include "viewportnode_p.h" |
| 5 | #include <Qt3DRender/qviewport.h> |
| 6 | #include <Qt3DRender/private/qviewport_p.h> |
| 7 | |
| 8 | QT_BEGIN_NAMESPACE |
| 9 | |
| 10 | |
| 11 | namespace Qt3DRender { |
| 12 | namespace Render { |
| 13 | |
| 14 | using namespace Qt3DCore; |
| 15 | |
| 16 | ViewportNode::ViewportNode() |
| 17 | : FrameGraphNode(FrameGraphNode::Viewport) |
| 18 | , m_xMin(0.0f) |
| 19 | , m_yMin(0.0f) |
| 20 | , m_xMax(1.0f) |
| 21 | , m_yMax(1.0f) |
| 22 | , m_gamma(2.2f) |
| 23 | { |
| 24 | } |
| 25 | |
| 26 | |
| 27 | void ViewportNode::syncFromFrontEnd(const QNode *frontEnd, bool firstTime) |
| 28 | { |
| 29 | const QViewport *node = qobject_cast<const QViewport *>(object: frontEnd); |
| 30 | if (!node) |
| 31 | return; |
| 32 | |
| 33 | FrameGraphNode::syncFromFrontEnd(frontEnd, firstTime); |
| 34 | |
| 35 | const QRectF oldRect(m_xMin, m_yMin, m_xMax, m_yMax); |
| 36 | if (oldRect != node->normalizedRect()) { |
| 37 | m_xMin = node->normalizedRect().x(); |
| 38 | m_yMin = node->normalizedRect().y(); |
| 39 | m_xMax = node->normalizedRect().width(); |
| 40 | m_yMax = node->normalizedRect().height(); |
| 41 | markDirty(changes: AbstractRenderer::FrameGraphDirty); |
| 42 | } |
| 43 | |
| 44 | if (node->gamma() != m_gamma) { |
| 45 | m_gamma = node->gamma(); |
| 46 | markDirty(changes: AbstractRenderer::FrameGraphDirty); |
| 47 | } |
| 48 | } |
| 49 | |
| 50 | float ViewportNode::xMin() const |
| 51 | { |
| 52 | return m_xMin; |
| 53 | } |
| 54 | |
| 55 | void ViewportNode::setXMin(float xMin) |
| 56 | { |
| 57 | m_xMin = xMin; |
| 58 | } |
| 59 | float ViewportNode::yMin() const |
| 60 | { |
| 61 | return m_yMin; |
| 62 | } |
| 63 | |
| 64 | void ViewportNode::setYMin(float yMin) |
| 65 | { |
| 66 | m_yMin = yMin; |
| 67 | } |
| 68 | float ViewportNode::xMax() const |
| 69 | { |
| 70 | return m_xMax; |
| 71 | } |
| 72 | |
| 73 | void ViewportNode::setXMax(float xMax) |
| 74 | { |
| 75 | m_xMax = xMax; |
| 76 | } |
| 77 | float ViewportNode::yMax() const |
| 78 | { |
| 79 | return m_yMax; |
| 80 | } |
| 81 | |
| 82 | void ViewportNode::setYMax(float yMax) |
| 83 | { |
| 84 | m_yMax = yMax; |
| 85 | } |
| 86 | |
| 87 | float ViewportNode::gamma() const |
| 88 | { |
| 89 | return m_gamma; |
| 90 | } |
| 91 | |
| 92 | void ViewportNode::setGamma(float gamma) |
| 93 | { |
| 94 | m_gamma = gamma; |
| 95 | } |
| 96 | |
| 97 | QRectF ViewportNode::computeViewport(const QRectF &childViewport, const ViewportNode *parentViewport) |
| 98 | { |
| 99 | QRectF vp(parentViewport->xMin(), |
| 100 | parentViewport->yMin(), |
| 101 | parentViewport->xMax(), |
| 102 | parentViewport->yMax()); |
| 103 | |
| 104 | if (childViewport.isEmpty()) { |
| 105 | return vp; |
| 106 | } else { |
| 107 | return QRectF(vp.x() + vp.width() * childViewport.x(), |
| 108 | vp.y() + vp.height() * childViewport.y(), |
| 109 | vp.width() * childViewport.width(), |
| 110 | vp.height() * childViewport.height()); |
| 111 | } |
| 112 | } |
| 113 | |
| 114 | } // namespace Render |
| 115 | } // namespace Qt3DRender |
| 116 | |
| 117 | QT_END_NAMESPACE |
| 118 |