413 lines
17 KiB
C++
413 lines
17 KiB
C++
#include <QPainter>
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#include <QGuiApplication>
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#include <QRegion>
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#include <QPolygon>
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#include <QElapsedTimer>
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#include "texturegenerator.h"
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#include "theme.h"
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#include "util.h"
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#include "texturetype.h"
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#include "material.h"
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int TextureGenerator::m_textureSize = 1024;
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TextureGenerator::TextureGenerator(const Outcome &outcome, Snapshot *snapshot) :
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m_resultTextureGuideImage(nullptr),
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m_resultTextureImage(nullptr),
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m_resultTextureBorderImage(nullptr),
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m_resultTextureColorImage(nullptr),
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m_resultTextureNormalImage(nullptr),
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m_resultTextureMetalnessRoughnessAmbientOcclusionImage(nullptr),
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m_resultTextureRoughnessImage(nullptr),
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m_resultTextureMetalnessImage(nullptr),
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m_resultTextureAmbientOcclusionImage(nullptr),
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m_resultMesh(nullptr),
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m_snapshot(snapshot)
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{
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m_outcome = new Outcome();
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*m_outcome = outcome;
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}
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TextureGenerator::~TextureGenerator()
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{
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delete m_outcome;
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delete m_resultTextureGuideImage;
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delete m_resultTextureImage;
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delete m_resultTextureBorderImage;
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delete m_resultTextureColorImage;
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delete m_resultTextureNormalImage;
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delete m_resultTextureMetalnessRoughnessAmbientOcclusionImage;
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delete m_resultTextureRoughnessImage;
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delete m_resultTextureMetalnessImage;
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delete m_resultTextureAmbientOcclusionImage;
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delete m_resultMesh;
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delete m_snapshot;
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}
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QImage *TextureGenerator::takeResultTextureGuideImage()
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{
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QImage *resultTextureGuideImage = m_resultTextureGuideImage;
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m_resultTextureGuideImage = nullptr;
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return resultTextureGuideImage;
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}
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QImage *TextureGenerator::takeResultTextureImage()
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{
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QImage *resultTextureImage = m_resultTextureImage;
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m_resultTextureImage = nullptr;
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return resultTextureImage;
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}
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QImage *TextureGenerator::takeResultTextureBorderImage()
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{
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QImage *resultTextureBorderImage = m_resultTextureBorderImage;
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m_resultTextureBorderImage = nullptr;
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return resultTextureBorderImage;
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}
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QImage *TextureGenerator::takeResultTextureColorImage()
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{
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QImage *resultTextureColorImage = m_resultTextureColorImage;
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m_resultTextureColorImage = nullptr;
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return resultTextureColorImage;
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}
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QImage *TextureGenerator::takeResultTextureNormalImage()
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{
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QImage *resultTextureNormalImage = m_resultTextureNormalImage;
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m_resultTextureNormalImage = nullptr;
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return resultTextureNormalImage;
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}
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Outcome *TextureGenerator::takeOutcome()
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{
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Outcome *outcome = m_outcome;
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m_resultTextureImage = nullptr;
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return outcome;
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}
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MeshLoader *TextureGenerator::takeResultMesh()
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{
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MeshLoader *resultMesh = m_resultMesh;
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m_resultMesh = nullptr;
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return resultMesh;
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}
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void TextureGenerator::addPartColorMap(QUuid partId, const QImage *image)
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{
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if (nullptr == image)
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return;
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m_partColorTextureMap[partId] = *image;
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}
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void TextureGenerator::addPartNormalMap(QUuid partId, const QImage *image)
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{
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if (nullptr == image)
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return;
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m_partNormalTextureMap[partId] = *image;
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}
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void TextureGenerator::addPartMetalnessMap(QUuid partId, const QImage *image)
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{
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if (nullptr == image)
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return;
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m_partMetalnessTextureMap[partId] = *image;
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}
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void TextureGenerator::addPartRoughnessMap(QUuid partId, const QImage *image)
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{
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if (nullptr == image)
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return;
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m_partRoughnessTextureMap[partId] = *image;
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}
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void TextureGenerator::addPartAmbientOcclusionMap(QUuid partId, const QImage *image)
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{
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if (nullptr == image)
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return;
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m_partAmbientOcclusionTextureMap[partId] = *image;
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}
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QPainterPath TextureGenerator::expandedPainterPath(const QPainterPath &painterPath, int expandSize)
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{
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QPainterPathStroker stroker;
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stroker.setWidth(expandSize);
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stroker.setJoinStyle(Qt::RoundJoin);
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return (stroker.createStroke(painterPath) + painterPath).simplified();
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}
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void TextureGenerator::prepare()
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{
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if (nullptr == m_snapshot)
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return;
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std::map<QUuid, QUuid> updatedMaterialIdMap;
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for (const auto &partIt: m_snapshot->parts) {
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QUuid materialId;
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auto materialIdIt = partIt.second.find("materialId");
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if (materialIdIt != partIt.second.end())
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materialId = QUuid(materialIdIt->second);
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QUuid partId = QUuid(partIt.first);
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updatedMaterialIdMap.insert({partId, materialId});
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}
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for (const auto &bmeshNode: m_outcome->nodes) {
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for (size_t i = 0; i < (int)TextureType::Count - 1; ++i) {
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TextureType forWhat = (TextureType)(i + 1);
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MaterialTextures materialTextures;
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QUuid materialId = bmeshNode.materialId;
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auto findUpdatedMaterialIdResult = updatedMaterialIdMap.find(bmeshNode.mirrorFromPartId.isNull() ? bmeshNode.partId : bmeshNode.mirrorFromPartId);
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if (findUpdatedMaterialIdResult != updatedMaterialIdMap.end())
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materialId = findUpdatedMaterialIdResult->second;
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initializeMaterialTexturesFromSnapshot(*m_snapshot, materialId, materialTextures);
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const QImage *image = materialTextures.textureImages[i];
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if (nullptr != image) {
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if (TextureType::BaseColor == forWhat)
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addPartColorMap(bmeshNode.partId, image);
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else if (TextureType::Normal == forWhat)
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addPartNormalMap(bmeshNode.partId, image);
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else if (TextureType::Metalness == forWhat)
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addPartMetalnessMap(bmeshNode.partId, image);
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else if (TextureType::Roughness == forWhat)
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addPartRoughnessMap(bmeshNode.partId, image);
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else if (TextureType::AmbientOcclusion == forWhat)
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addPartAmbientOcclusionMap(bmeshNode.partId, image);
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}
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}
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}
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}
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void TextureGenerator::generate()
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{
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if (nullptr == m_outcome->triangleVertexUvs())
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return;
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if (nullptr == m_outcome->triangleSourceNodes())
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return;
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QElapsedTimer countTimeConsumed;
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countTimeConsumed.start();
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prepare();
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bool hasNormalMap = false;
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bool hasMetalnessMap = false;
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bool hasRoughnessMap = false;
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bool hasAmbientOcclusionMap = false;
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const auto &triangleVertexUvs = *m_outcome->triangleVertexUvs();
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const auto &triangleSourceNodes = *m_outcome->triangleSourceNodes();
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std::map<std::pair<QUuid, QUuid>, const OutcomeNode *> nodeMap;
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for (const auto &item: m_outcome->nodes) {
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nodeMap.insert({{item.partId, item.nodeId}, &item});
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}
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auto createImageBeginTime = countTimeConsumed.elapsed();
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m_resultTextureColorImage = new QImage(TextureGenerator::m_textureSize, TextureGenerator::m_textureSize, QImage::Format_ARGB32);
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m_resultTextureColorImage->fill(Theme::white);
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m_resultTextureBorderImage = new QImage(TextureGenerator::m_textureSize, TextureGenerator::m_textureSize, QImage::Format_ARGB32);
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m_resultTextureBorderImage->fill(Qt::transparent);
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m_resultTextureNormalImage = new QImage(TextureGenerator::m_textureSize, TextureGenerator::m_textureSize, QImage::Format_ARGB32);
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m_resultTextureNormalImage->fill(Qt::transparent);
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m_resultTextureMetalnessRoughnessAmbientOcclusionImage = new QImage(TextureGenerator::m_textureSize, TextureGenerator::m_textureSize, QImage::Format_ARGB32);
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m_resultTextureMetalnessRoughnessAmbientOcclusionImage->fill(Qt::transparent);
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m_resultTextureMetalnessImage = new QImage(TextureGenerator::m_textureSize, TextureGenerator::m_textureSize, QImage::Format_ARGB32);
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m_resultTextureMetalnessImage->fill(Qt::transparent);
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m_resultTextureRoughnessImage = new QImage(TextureGenerator::m_textureSize, TextureGenerator::m_textureSize, QImage::Format_ARGB32);
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m_resultTextureRoughnessImage->fill(Qt::transparent);
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m_resultTextureAmbientOcclusionImage = new QImage(TextureGenerator::m_textureSize, TextureGenerator::m_textureSize, QImage::Format_ARGB32);
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m_resultTextureAmbientOcclusionImage->fill(Qt::transparent);
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auto createImageEndTime = countTimeConsumed.elapsed();
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QColor borderColor = Qt::darkGray;
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QPen pen(borderColor);
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QPainter texturePainter;
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texturePainter.begin(m_resultTextureColorImage);
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texturePainter.setRenderHint(QPainter::Antialiasing);
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texturePainter.setRenderHint(QPainter::HighQualityAntialiasing);
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QPainter textureBorderPainter;
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textureBorderPainter.begin(m_resultTextureBorderImage);
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textureBorderPainter.setRenderHint(QPainter::Antialiasing);
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textureBorderPainter.setRenderHint(QPainter::HighQualityAntialiasing);
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QPainter textureNormalPainter;
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textureNormalPainter.begin(m_resultTextureNormalImage);
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textureNormalPainter.setRenderHint(QPainter::Antialiasing);
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textureNormalPainter.setRenderHint(QPainter::HighQualityAntialiasing);
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QPainter textureMetalnessPainter;
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textureMetalnessPainter.begin(m_resultTextureMetalnessImage);
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textureMetalnessPainter.setRenderHint(QPainter::Antialiasing);
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textureMetalnessPainter.setRenderHint(QPainter::HighQualityAntialiasing);
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QPainter textureRoughnessPainter;
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textureRoughnessPainter.begin(m_resultTextureRoughnessImage);
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textureRoughnessPainter.setRenderHint(QPainter::Antialiasing);
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textureRoughnessPainter.setRenderHint(QPainter::HighQualityAntialiasing);
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QPainter textureAmbientOcclusionPainter;
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textureAmbientOcclusionPainter.begin(m_resultTextureAmbientOcclusionImage);
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textureAmbientOcclusionPainter.setRenderHint(QPainter::Antialiasing);
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textureAmbientOcclusionPainter.setRenderHint(QPainter::HighQualityAntialiasing);
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auto paintTextureBeginTime = countTimeConsumed.elapsed();
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texturePainter.setPen(Qt::NoPen);
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for (auto i = 0u; i < triangleVertexUvs.size(); i++) {
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QPainterPath path;
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const std::vector<QVector2D> &uv = triangleVertexUvs[i];
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float points[][2] = {
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{uv[0][0] * TextureGenerator::m_textureSize, uv[0][1] * TextureGenerator::m_textureSize},
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{uv[1][0] * TextureGenerator::m_textureSize, uv[1][1] * TextureGenerator::m_textureSize},
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{uv[2][0] * TextureGenerator::m_textureSize, uv[2][1] * TextureGenerator::m_textureSize}
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};
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path.moveTo(points[0][0], points[0][1]);
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path.lineTo(points[1][0], points[1][1]);
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path.lineTo(points[2][0], points[2][1]);
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path = expandedPainterPath(path);
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// Copy color texture if there is one
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const std::pair<QUuid, QUuid> &source = triangleSourceNodes[i];
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auto findColorTextureResult = m_partColorTextureMap.find(source.first);
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if (findColorTextureResult != m_partColorTextureMap.end()) {
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texturePainter.setClipping(true);
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texturePainter.setClipPath(path);
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texturePainter.drawImage(0, 0, findColorTextureResult->second);
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texturePainter.setClipping(false);
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} else {
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auto findSourceNodeResult = nodeMap.find(source);
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if (findSourceNodeResult != nodeMap.end() && nullptr != findSourceNodeResult->second) {
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texturePainter.fillPath(path, QBrush(findSourceNodeResult->second->color));
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} else {
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texturePainter.fillPath(path, QBrush(Theme::white));
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}
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}
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// Copy normal texture if there is one
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auto findNormalTextureResult = m_partNormalTextureMap.find(source.first);
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if (findNormalTextureResult != m_partNormalTextureMap.end()) {
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textureNormalPainter.setClipping(true);
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textureNormalPainter.setClipPath(path);
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textureNormalPainter.drawImage(0, 0, findNormalTextureResult->second);
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textureNormalPainter.setClipping(false);
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hasNormalMap = true;
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}
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// Copy metalness texture if there is one
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auto findMetalnessTextureResult = m_partMetalnessTextureMap.find(source.first);
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if (findMetalnessTextureResult != m_partMetalnessTextureMap.end()) {
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textureMetalnessPainter.setClipping(true);
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textureMetalnessPainter.setClipPath(path);
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textureMetalnessPainter.drawImage(0, 0, findMetalnessTextureResult->second);
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textureMetalnessPainter.setClipping(false);
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hasMetalnessMap = true;
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}
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// Copy roughness texture if there is one
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auto findRoughnessTextureResult = m_partRoughnessTextureMap.find(source.first);
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if (findRoughnessTextureResult != m_partRoughnessTextureMap.end()) {
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textureRoughnessPainter.setClipping(true);
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textureRoughnessPainter.setClipPath(path);
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textureRoughnessPainter.drawImage(0, 0, findRoughnessTextureResult->second);
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textureRoughnessPainter.setClipping(false);
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hasRoughnessMap = true;
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}
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// Copy ambient occlusion texture if there is one
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auto findAmbientOcclusionTextureResult = m_partAmbientOcclusionTextureMap.find(source.first);
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if (findAmbientOcclusionTextureResult != m_partAmbientOcclusionTextureMap.end()) {
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textureAmbientOcclusionPainter.setClipping(true);
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textureAmbientOcclusionPainter.setClipPath(path);
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textureAmbientOcclusionPainter.drawImage(0, 0, findAmbientOcclusionTextureResult->second);
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textureAmbientOcclusionPainter.setClipping(false);
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hasAmbientOcclusionMap = true;
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}
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}
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auto paintTextureEndTime = countTimeConsumed.elapsed();
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pen.setWidth(0);
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textureBorderPainter.setPen(pen);
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auto paintBorderBeginTime = countTimeConsumed.elapsed();
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for (auto i = 0u; i < triangleVertexUvs.size(); i++) {
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const std::vector<QVector2D> &uv = triangleVertexUvs[i];
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for (auto j = 0; j < 3; j++) {
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int from = j;
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int to = (j + 1) % 3;
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textureBorderPainter.drawLine(uv[from][0] * TextureGenerator::m_textureSize, uv[from][1] * TextureGenerator::m_textureSize,
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uv[to][0] * TextureGenerator::m_textureSize, uv[to][1] * TextureGenerator::m_textureSize);
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}
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}
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auto paintBorderEndTime = countTimeConsumed.elapsed();
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texturePainter.end();
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textureBorderPainter.end();
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textureNormalPainter.end();
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textureMetalnessPainter.end();
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textureRoughnessPainter.end();
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textureAmbientOcclusionPainter.end();
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if (!hasNormalMap) {
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delete m_resultTextureNormalImage;
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m_resultTextureNormalImage = nullptr;
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}
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auto mergeMetalnessRoughnessAmbientOcclusionBeginTime = countTimeConsumed.elapsed();
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if (!hasMetalnessMap && !hasRoughnessMap && !hasAmbientOcclusionMap) {
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delete m_resultTextureMetalnessRoughnessAmbientOcclusionImage;
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m_resultTextureMetalnessRoughnessAmbientOcclusionImage = nullptr;
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} else {
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for (int row = 0; row < m_resultTextureMetalnessRoughnessAmbientOcclusionImage->height(); ++row) {
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for (int col = 0; col < m_resultTextureMetalnessRoughnessAmbientOcclusionImage->width(); ++col) {
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QColor color;
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if (hasMetalnessMap)
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color.setBlue(qGray(m_resultTextureMetalnessImage->pixel(col, row)));
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if (hasRoughnessMap)
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color.setRed(qGray(m_resultTextureRoughnessImage->pixel(col, row)));
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if (hasAmbientOcclusionMap)
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color.setGreen(qGray(m_resultTextureAmbientOcclusionImage->pixel(col, row)));
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m_resultTextureMetalnessRoughnessAmbientOcclusionImage->setPixelColor(col, row, color);
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}
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}
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}
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auto mergeMetalnessRoughnessAmbientOcclusionEndTime = countTimeConsumed.elapsed();
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m_resultTextureImage = new QImage(*m_resultTextureColorImage);
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m_resultTextureGuideImage = new QImage(*m_resultTextureImage);
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QPainter mergeTextureGuidePainter(m_resultTextureGuideImage);
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mergeTextureGuidePainter.setCompositionMode(QPainter::CompositionMode_Multiply);
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mergeTextureGuidePainter.drawImage(0, 0, *m_resultTextureBorderImage);
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mergeTextureGuidePainter.end();
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auto createResultBeginTime = countTimeConsumed.elapsed();
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m_resultMesh = new MeshLoader(*m_outcome);
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m_resultMesh->setTextureImage(new QImage(*m_resultTextureImage));
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if (nullptr != m_resultTextureNormalImage)
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m_resultMesh->setNormalMapImage(new QImage(*m_resultTextureNormalImage));
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if (nullptr != m_resultTextureMetalnessRoughnessAmbientOcclusionImage) {
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m_resultMesh->setMetalnessRoughnessAmbientOcclusionImage(new QImage(*m_resultTextureMetalnessRoughnessAmbientOcclusionImage));
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m_resultMesh->setHasMetalnessInImage(hasMetalnessMap);
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m_resultMesh->setHasRoughnessInImage(hasRoughnessMap);
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m_resultMesh->setHasAmbientOcclusionInImage(hasAmbientOcclusionMap);
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}
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auto createResultEndTime = countTimeConsumed.elapsed();
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qDebug() << "The texture[" << TextureGenerator::m_textureSize << "x" << TextureGenerator::m_textureSize << "] generation took" << countTimeConsumed.elapsed() << "milliseconds";
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qDebug() << " :create image took" << (createImageEndTime - createImageBeginTime) << "milliseconds";
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qDebug() << " :paint texture took" << (paintTextureEndTime - paintTextureBeginTime) << "milliseconds";
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qDebug() << " :paint border took" << (paintBorderEndTime - paintBorderBeginTime) << "milliseconds";
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qDebug() << " :merge metalness, roughness, and ambient occlusion texture took" << (mergeMetalnessRoughnessAmbientOcclusionEndTime - mergeMetalnessRoughnessAmbientOcclusionBeginTime) << "milliseconds";
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qDebug() << " :create result took" << (createResultEndTime - createResultBeginTime) << "milliseconds";
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}
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void TextureGenerator::process()
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{
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generate();
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this->moveToThread(QGuiApplication::instance()->thread());
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emit finished();
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}
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