| 1 | // Copyright (C) 2023 The Qt Company Ltd. |
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| 2 | // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR GPL-3.0-only |
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| 3 | |
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| 4 | #include "barinstancing_p.h" |
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| 5 | |
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| 6 | QT_BEGIN_NAMESPACE |
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| 7 | |
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| 8 | BarInstancing::BarInstancing() {} |
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| 9 | |
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| 10 | BarInstancing::~BarInstancing() |
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| 11 | { |
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| 12 | clearDataArray(); |
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| 13 | } |
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| 14 | |
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| 15 | QByteArray BarInstancing::getInstanceBuffer(int *instanceCount) |
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| 16 | { |
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| 17 | if (m_dirty) { |
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| 18 | m_instanceData.resize(size: 0); |
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| 19 | int instanceNumber = 0; |
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| 20 | |
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| 21 | for (int i = 0; i < m_dataArray.size(); ++i) { |
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| 22 | auto item = m_dataArray.at(i); |
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| 23 | |
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| 24 | if ((item->color.alphaF() < 1.0) || transparency()) |
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| 25 | setDepthSortingEnabled(true); |
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| 26 | else |
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| 27 | setDepthSortingEnabled(false); |
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| 28 | |
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| 29 | QVector4D customData{}; |
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| 30 | customData.setX(item->heightValue); |
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| 31 | if (!item->selectedBar) { |
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| 32 | auto entry = calculateTableEntryFromQuaternion(position: item->position, |
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| 33 | scale: item->scale, |
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| 34 | rotation: item->rotation, |
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| 35 | color: item->color, |
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| 36 | customData); |
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| 37 | m_instanceData.append(s: reinterpret_cast<char *>(&entry), len: sizeof(entry)); |
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| 38 | } else { |
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| 39 | // Even selected bars need to be drawn in a very small scale. |
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| 40 | // If this is not done, the program can't find the selected bars in the |
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| 41 | // graph and detects the wrong bars as selected ones. |
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| 42 | auto entry = calculateTableEntryFromQuaternion(position: item->position, |
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| 43 | scale: QVector3D{.001f, .001f, .001f}, |
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| 44 | rotation: item->rotation, |
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| 45 | color: QColor(Qt::white)); |
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| 46 | m_instanceData.append(s: reinterpret_cast<char *>(&entry), len: sizeof(entry)); |
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| 47 | } |
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| 48 | instanceNumber++; |
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| 49 | } |
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| 50 | m_instanceCount = instanceNumber; |
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| 51 | m_dirty = false; |
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| 52 | } |
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| 53 | |
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| 54 | if (instanceCount) |
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| 55 | *instanceCount = m_instanceCount; |
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| 56 | |
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| 57 | return m_instanceData; |
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| 58 | } |
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| 59 | |
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| 60 | bool BarInstancing::transparency() const |
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| 61 | { |
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| 62 | return m_transparency; |
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| 63 | } |
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| 64 | |
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| 65 | void BarInstancing::setTransparency(bool newTransparencyValue) |
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| 66 | { |
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| 67 | m_transparency = newTransparencyValue; |
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| 68 | } |
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| 69 | |
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| 70 | void BarInstancing::clearDataArray() |
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| 71 | { |
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| 72 | m_dataArray.clear(); |
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| 73 | m_instanceData.clear(); |
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| 74 | } |
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| 75 | |
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| 76 | void BarInstancing::markDataDirty() |
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| 77 | { |
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| 78 | m_dirty = true; |
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| 79 | markDirty(); |
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| 80 | } |
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| 81 | |
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| 82 | QList<BarItemHolder *> BarInstancing::dataArray() const |
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| 83 | { |
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| 84 | return m_dataArray; |
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| 85 | } |
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| 86 | |
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| 87 | void BarInstancing::setDataArray(const QList<BarItemHolder *> &newDataArray) |
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| 88 | { |
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| 89 | m_dataArray = newDataArray; |
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| 90 | markDataDirty(); |
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| 91 | } |
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| 92 | |
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| 93 | QT_END_NAMESPACE |
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| 94 | |
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