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