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++ // Copyright (C) 2016 Klaralvdalens Datakonsult AB (KDAB).
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++
++ #include <Qt3DCore/qbuffer.h>
++ #include <Qt3DCore/qattribute.h>
++ #include <Qt3DCore/qgeometry.h>
++ #include <Qt3DRender/qmaterial.h>
++ #include <Qt3DRender/qgeometryrenderer.h>
++
++ #include <Qt3DExtras/private/qtext2dmaterial_p.h>
++
++ #include "distancefieldtextrenderer_p.h"
++ #include "distancefieldtextrenderer_p_p.h"
++
++ QT_BEGIN_NAMESPACE
++
++ namespace Qt3DExtras {
++
++ using namespace Qt3DCore;
++
++ DistanceFieldTextRendererPrivate::DistanceFieldTextRendererPrivate()
++ : m_renderer(nullptr)
++ , m_geometry(nullptr)
++ , m_positionAttr(nullptr)
++ , m_texCoordAttr(nullptr)
++ , m_indexAttr(nullptr)
++ , m_vertexBuffer(nullptr)
++ , m_indexBuffer(nullptr)
++ , m_material(nullptr)
++ {
++ }
++
++ DistanceFieldTextRendererPrivate::~DistanceFieldTextRendererPrivate()
++ {
++ }
++
++ void DistanceFieldTextRendererPrivate::init()
++ {
++ Q_Q(DistanceFieldTextRenderer);
++
++ m_renderer = new Qt3DRender::QGeometryRenderer(q);
++ m_renderer->setPrimitiveType(Qt3DRender::QGeometryRenderer::Triangles);
++
++ m_geometry = new Qt3DCore::QGeometry(m_renderer);
++ m_renderer->setGeometry(m_geometry);
++
++ m_vertexBuffer = new Qt3DCore::QBuffer(m_geometry);
++ m_indexBuffer = new Qt3DCore::QBuffer(m_geometry);
++
++ m_positionAttr = new Qt3DCore::QAttribute(m_geometry);
++ m_positionAttr->setName(Qt3DCore::QAttribute::defaultPositionAttributeName());
++ m_positionAttr->setVertexBaseType(Qt3DCore::QAttribute::Float);
++ m_positionAttr->setAttributeType(Qt3DCore::QAttribute::VertexAttribute);
++ m_positionAttr->setVertexSize(3);
++ m_positionAttr->setByteStride(5 * sizeof(float));
++ m_positionAttr->setByteOffset(0);
++ m_positionAttr->setBuffer(m_vertexBuffer);
++
++ m_texCoordAttr = new Qt3DCore::QAttribute(m_geometry);
++ m_texCoordAttr->setName(Qt3DCore::QAttribute::defaultTextureCoordinateAttributeName());
++ m_texCoordAttr->setVertexBaseType(Qt3DCore::QAttribute::Float);
++ m_texCoordAttr->setAttributeType(Qt3DCore::QAttribute::VertexAttribute);
++ m_texCoordAttr->setVertexSize(2);
++ m_texCoordAttr->setByteStride(5 * sizeof(float));
++ m_texCoordAttr->setByteOffset(3 * sizeof(float));
++ m_texCoordAttr->setBuffer(m_vertexBuffer);
++
++ m_indexAttr = new Qt3DCore::QAttribute(m_geometry);
++ m_indexAttr->setAttributeType(Qt3DCore::QAttribute::IndexAttribute);
++ m_indexAttr->setVertexBaseType(Qt3DCore::QAttribute::UnsignedShort);
++ m_indexAttr->setBuffer(m_indexBuffer);
++
++ m_geometry->addAttribute(m_positionAttr);
++ m_geometry->setBoundingVolumePositionAttribute(m_positionAttr);
++ m_geometry->addAttribute(m_texCoordAttr);
++ m_geometry->addAttribute(m_indexAttr);
++
++ m_material = new QText2DMaterial(q);
++
++ q->addComponent(m_renderer);
++ q->addComponent(m_material);
++ }
++
++ DistanceFieldTextRenderer::DistanceFieldTextRenderer(QNode *parent)
++ : QEntity(*new DistanceFieldTextRendererPrivate(), parent)
++ {
++ Q_D(DistanceFieldTextRenderer);
++ d->init();
++ }
++
++ DistanceFieldTextRenderer::~DistanceFieldTextRenderer()
++ {
++ }
++
++ void DistanceFieldTextRenderer::setGlyphData(Qt3DRender::QAbstractTexture *glyphTexture,
++ const std::vector<float> &vertexData,
++ const std::vector<quint16> &indexData)
++ {
++ Q_D(DistanceFieldTextRenderer);
++
++ const size_t vertexCount = vertexData.size() / 5;
++
++ d->m_vertexBuffer->setData(QByteArray((char*) vertexData.data(), vertexData.size() * sizeof(float)));
++ d->m_indexBuffer->setData(QByteArray((char*) indexData.data(), indexData.size() * sizeof(quint16)));
++ d->m_positionAttr->setCount(uint(vertexCount));
++ d->m_texCoordAttr->setCount(uint(vertexCount));
++ d->m_indexAttr->setCount(uint(indexData.size()));
++
++ d->m_material->setDistanceFieldTexture(glyphTexture);
++ }
++
++ void DistanceFieldTextRenderer::setColor(const QColor &color)
++ {
++ Q_D(DistanceFieldTextRenderer);
++ d->m_material->setColor(color);
++ }
++
++ } // namespace Qt3DExtras
++
++ QT_END_NAMESPACE
++
++ #include "moc_distancefieldtextrenderer_p.cpp"