void PEQGraph::_drawHumpOutline(QSGNode * parentNode, int n, QColor color) {
//Solid Outline
QSGGeometryNode * lineNode = new QSGGeometryNode();
QSGGeometry * lineGeom = new QSGGeometry(QSGGeometry::defaultAttributes_Point2D(), (HorizontalDivisions));
QSGFlatColorMaterial *material2 = new QSGFlatColorMaterial;
material2->setColor(color);
material2->setFlag(QSGMaterial::Blending);
lineNode->setMaterial(material2);
lineNode->setFlag(QSGNode::OwnsGeometry);
lineNode->setFlag(QSGNode::OwnedByParent);
lineNode->setFlag(QSGNode::OwnsMaterial);
lineGeom->setDrawingMode(GL_LINE_STRIP);
glLineWidth(2.0f);
QSGGeometry::Point2D* point2 = lineGeom->vertexDataAsPoint2D();
float left = graphToNodeX(xAxis.min);
float width = graphToNodeX(xAxis.max) - graphToNodeX(xAxis.min);
float stride = width / HorizontalDivisions;
for (int i = 0; i < HorizontalDivisions; i++) {
float x1 = left + (i)*stride;
float y1 = graphToNodeY(computedData[i][n]);
point2->set(x1, y1);
point2++;
}
lineNode->setGeometry(lineGeom);
parentNode->appendChildNode(lineNode);
}
/*
* The function hardcodes a fixed set of grid lines and scales
* those to the bounding rect.
*/
void GridNode::setRect(const QRectF &rect)
{
int vCount = int((rect.width() - 1) / GRID_SIZE);
int hCount = int((rect.height() - 1) / GRID_SIZE);
int lineCount = vCount + hCount;
QSGGeometry *g = geometry();
g->allocate(lineCount * 2);
float x = rect.x();
float y = rect.y();
float w = rect.width();
float h = rect.height();
QSGGeometry::Point2D *v = g->vertexDataAsPoint2D();
// Then write the vertical lines
for (int i=0; i<vCount; ++i) {
float dx = (i + 1) * GRID_SIZE;
v[i*2].set(dx, y);
v[i*2+1].set(dx, y + h);
}
v += vCount * 2;
// Then write the horizontal lines
for (int i=0; i<hCount; ++i) {
float dy = (i + 1) * GRID_SIZE;
v[i*2].set(x, dy);
v[i*2+1].set(x + w, dy);
}
// Tell the scenegraph we updated the geometry..
markDirty(QSGNode::DirtyGeometry);
}
void compareSelectionNode(QSGNode *node, const QRectF &rect, int selectionId)
{
QSGGeometryNode *geometryNode = static_cast<QSGGeometryNode *>(node);
QSGGeometry *geometry = geometryNode->geometry();
QCOMPARE(geometry->vertexCount(), 4);
QCOMPARE(geometry->drawingMode(), (GLenum)GL_TRIANGLE_STRIP);
OpaqueColoredPoint2DWithSize *data =
static_cast<OpaqueColoredPoint2DWithSize *>(geometry->vertexData());
float *lowerLeft = reinterpret_cast<float *>(data);
float *lowerRight = reinterpret_cast<float *>(++data);
float *upperLeft = reinterpret_cast<float *>(++data);
float *upperRight = reinterpret_cast<float *>(++data);
QCOMPARE(QRectF(QPointF(upperLeft[0], upperLeft[1]), QPointF(lowerRight[0], lowerRight[1])),
rect);
QCOMPARE(lowerRight[0], upperRight[0]);
QCOMPARE(lowerRight[1], lowerLeft[1]);
QCOMPARE(upperLeft[0], lowerLeft[0]);
QCOMPARE(upperLeft[1], upperRight[1]);
QCOMPARE(int(lowerLeft[4]), selectionId);
QCOMPARE(int(lowerRight[4]), selectionId);
QCOMPARE(int(upperLeft[4]), selectionId);
QCOMPARE(int(upperRight[4]), selectionId);
TimelineItemsMaterial *material = static_cast<TimelineItemsMaterial *>(
geometryNode->material());
QVERIFY(!(material->flags() & QSGMaterial::Blending));
}
QcLocationCircleNode::QcLocationCircleNode(const QcViewport * viewport)
: QSGOpacityNode(),
m_viewport(viewport),
m_geometry_node(new QSGGeometryNode())
{
setOpacity(.25); // 1. black
QSGGeometry * geometry = new QSGGeometry(LocationCirclePoint2D_AttributeSet, 0); // Fixme:
geometry->setDrawingMode(GL_TRIANGLE_STRIP);
m_geometry_node->setGeometry(geometry);
m_geometry_node->setFlag(QSGNode::OwnsGeometry);
QSGSimpleMaterial<QcLocationCircleMaterialShaderState> * material = QcLocationCircleMaterialShader::createMaterial();
material->state()->cone_r = 0; // Fixme: QColor
material->state()->cone_g = 0;
material->state()->cone_b = 1;
material->state()->cone_a = 1.;
material->state()->accuracy_r = 1;
material->state()->accuracy_g = 0;
material->state()->accuracy_b = 0;
material->state()->accuracy_a = 1.;
// QSGFlatColorMaterial * material = new QSGFlatColorMaterial();
// material->setColor(QColor("black"));
material->setFlag(QSGMaterial::Blending);
m_geometry_node->setMaterial(material);
m_geometry_node->setFlag(QSGNode::OwnsMaterial);
appendChildNode(m_geometry_node);
}
void PEQGraph::_drawHumpSolid(QSGNode * parentNode, int n, QColor color) {
//Transparent shaded part//
QSGGeometryNode * solidNode = new QSGGeometryNode();
QSGGeometry * solidGeom = new QSGGeometry(QSGGeometry::defaultAttributes_Point2D(), 2 * (HorizontalDivisions + 1));
QSGFlatColorMaterial *material = new QSGFlatColorMaterial;
material->setColor(color);
material->setFlag(QSGMaterial::Blending);
solidNode->setMaterial(material);
solidNode->setFlag(QSGNode::OwnsGeometry);
solidNode->setFlag(QSGNode::OwnedByParent);
solidNode->setFlag(QSGNode::OwnsMaterial);
solidGeom->setDrawingMode(GL_TRIANGLE_STRIP);
QSGGeometry::Point2D* point = solidGeom->vertexDataAsPoint2D();
float left = graphToNodeX(xAxis.min);
float mid = graphToNodeY(0);
float width = graphToNodeX(xAxis.max) - graphToNodeX(xAxis.min);
float stride = width / HorizontalDivisions;
for (int i = 0; i < HorizontalDivisions + 1; i++) {
point->set(left + i*stride, mid);
point++;
point->set(left + i*stride, graphToNodeY(computedData[i][n]));
point++;
}
solidNode->setGeometry(solidGeom);
parentNode->appendChildNode(solidNode);
}
QSGNode *PhosphorRender::updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *)
{
if (!m_ybuffer) {
return 0;
}
QSGGeometryNode *node = 0;
QSGGeometry *geometry = 0;
Material *material = 0;
unsigned n_points;
if (m_xbuffer) {
n_points = std::min(m_xbuffer->size(), m_ybuffer->size());
} else {
n_points = m_ybuffer->countPointsBetween(m_xmin, m_xmax);
}
n_points = std::min(n_points,(unsigned) 65767);
if (!oldNode) {
node = new QSGGeometryNode;
geometry = new QSGGeometry(QSGGeometry::defaultAttributes_Point2D(), n_points);
geometry->setDrawingMode(GL_POINTS);
node->setGeometry(geometry);
node->setFlag(QSGNode::OwnsGeometry);
material = new Material;
material->setFlag(QSGMaterial::Blending);
node->setMaterial(material);
node->setFlag(QSGNode::OwnsMaterial);
} else {
node = static_cast<QSGGeometryNode *>(oldNode);
geometry = node->geometry();
geometry->allocate(n_points);
geometry->setLineWidth(m_pointSize);
material = static_cast<Material*>(node->material());
}
QRectF bounds = boundingRect();
material->transformation.setToIdentity();
material->transformation.scale(bounds.width()/(m_xmax - m_xmin), bounds.height()/(m_ymin - m_ymax));
material->transformation.translate(-m_xmin, -m_ymax);
material->pointSize = m_pointSize;
material->color = m_color;
auto verticies = geometry->vertexDataAsPoint2D();
if (m_xbuffer) {
for (unsigned i=0; i<n_points; i++) {
verticies[i].set(m_xbuffer->get(i), m_ybuffer->get(i));
}
} else {
m_ybuffer->toVertexData(m_xmin, m_xmax, verticies, n_points);
}
node->markDirty(QSGNode::DirtyGeometry | QSGNode::DirtyMaterial);
return node;
}
/*------------------------------------------------------------------------------
| OMX_CameraSurfaceElement::updatePaintNode
+-----------------------------------------------------------------------------*/
QSGNode* OMX_CameraSurfaceElement::updatePaintNode(QSGNode* oldNode, UpdatePaintNodeData*)
{
QSGGeometryNode* node = 0;
QSGGeometry* geometry = 0;
if (!oldNode) {
// Create the node.
node = new QSGGeometryNode;
geometry = new QSGGeometry(QSGGeometry::defaultAttributes_TexturedPoint2D(), 4);
geometry->setDrawingMode(GL_TRIANGLE_STRIP);
node->setGeometry(geometry);
node->setFlag(QSGNode::OwnsGeometry);
// TODO: Who is freeing this?
// TODO: I cannot know the texture size here.
QSGOpaqueTextureMaterial* material = new QSGOpaqueTextureMaterial;
m_sgtexture = new OMX_SGTexture(0, QSize(640, 480));
material->setTexture(m_sgtexture);
node->setMaterial(material);
node->setFlag(QSGNode::OwnsMaterial);
QtConcurrent::run(this, &OMX_CameraSurfaceElement::videoAcquire);
}
else {
node = static_cast<QSGGeometryNode*>(oldNode);
geometry = node->geometry();
geometry->allocate(4);
// Update texture in the node if needed.
QSGOpaqueTextureMaterial* material = (QSGOpaqueTextureMaterial*)node->material();
QElapsedTimer timer;
timer.start();
QSGTexture* texture = window()->createTextureFromImage(m_frame);
LOG_VERBOSE(LOG_TAG, "Timer tex: %lld.", timer.elapsed());
material->setTexture(texture);
m_semAcquire.release();
#if 0
if (m_texture != (GLuint)material->texture()->textureId()) {
// TODO: Does setTextureId frees the prev texture?
// TODO: I should the given the texture size.
LOG_ERROR(LOG_TAG, "Updating texture to %u!", m_texture);
material = new QSGOpaqueTextureMaterial;
m_sgtexture->setTexture(m_texture, QSize(1920, 1080));
}
#endif
}
// Create the vertices and map to texture.
QRectF bounds = boundingRect();
QSGGeometry::TexturedPoint2D* vertices = geometry->vertexDataAsTexturedPoint2D();
vertices[0].set(bounds.x(), bounds.y() + bounds.height(), 0.0f, 0.0f);
vertices[1].set(bounds.x() + bounds.width(), bounds.y() + bounds.height(), 1.0f, 0.0f);
vertices[2].set(bounds.x(), bounds.y(), 0.0f, 1.0f);
vertices[3].set(bounds.x() + bounds.width(), bounds.y(), 1.0f, 1.0f);
return node;
}
QSGNode * QQuickLineItem::updatePaintNode(QSGNode *prev_node,
UpdatePaintNodeData *upd_data)
{
Q_UNUSED(upd_data);
QSGGeometryNode * node = static_cast<QSGGeometryNode*>(prev_node);
QSGGeometry * geometry = NULL;
QSGFlatColorMaterial * material = NULL;
if(!node) {
// http://qt-project.org/doc/qt-5/qsggeometrynode.html
node = new QSGGeometryNode;
geometry = new QSGGeometry(QSGGeometry::defaultAttributes_Point2D(),4);
geometry->setDrawingMode(GL_TRIANGLE_STRIP);
node->setGeometry(geometry);
node->setFlag(QSGNode::OwnsGeometry);
material = new QSGFlatColorMaterial;
material->setColor(m_color);
node->setMaterial(material);
node->setFlag(QSGNode::OwnsMaterial);
}
else {
geometry = node->geometry();
geometry->allocate(4); // we have to call allocate to invalidate
// the older vertex buffer
material = static_cast<QSGFlatColorMaterial*>(node->material());
}
// geometry
std::vector<QPointF> list_vx;
if(!calcTriStrip(list_vx)) {
list_vx.clear();
list_vx.push_back(QPointF(0,0));
list_vx.push_back(QPointF(0,0));
list_vx.push_back(QPointF(0,0));
list_vx.push_back(QPointF(0,0));
}
QSGGeometry::Point2D * vertices =
geometry->vertexDataAsPoint2D();
for(size_t i=0; i < list_vx.size(); i++) {
vertices[i].set(list_vx[i].x(),
list_vx[i].y());
}
node->markDirty(QSGNode::DirtyGeometry);
// material
material->setColor(m_color);
node->markDirty(QSGNode::DirtyMaterial);
return node;
}
void SceneGraphDeviceContext::DrawComplexBezierPath(vrv::Point bezier1[4], vrv::Point bezier2[4])
{
// Note: No support for vertex antialiasing. Use a top-level QQuickView with multisample antialiasing.
// TODO: Add vertex antialiasing, refer to
// 1) Qt sources for "void QSGBasicInternalRectangleNode::updateGeometry()" in
// qtdeclarative/src/quick/scenegraph/qsgbasicinternalrectanglenode.cpp
// 2) https://stackoverflow.com/questions/28125425/smooth-painting-in-custom-qml-element
vrv::Pen currentPen = m_penStack.top();
int segmentCount = 16;
QSGGeometryNode *node = new QSGGeometryNode;
QSGGeometry *geometry = new QSGGeometry(QSGGeometry::defaultAttributes_Point2D(), 2 * segmentCount);
geometry->setDrawingMode(QSGGeometry::DrawTriangleStrip);
node->setGeometry(geometry);
node->setFlag(QSGNode::OwnsGeometry);
QSGFlatColorMaterial *material = new QSGFlatColorMaterial;
material->setColor(static_cast<QRgb>(currentPen.GetColour()));
node->setMaterial(material);
node->setFlag(QSGNode::OwnsMaterial);
auto calculateCubicBezierPoint = [](vrv::Point p[4], float t) -> std::tuple<float, float> {
auto invt = 1 - t;
auto x = invt * invt * invt * p[0].x + 3 * invt * invt * t * p[1].x + 3 * invt * t * t * p[2].x
+ t * t * t * p[3].x;
auto y = invt * invt * invt * p[0].y + 3 * invt * invt * t * p[1].y + 3 * invt * t * t * p[2].y
+ t * t * t * p[3].y;
return std::make_tuple(x, y);
};
// This loop calculates the bezier points for the inner and the outer line and add them as vertices. The list of
// vertices is built so that points from the inner and outer line are alternating. This allows to draw a filled area
// with DrawTriangleStrip.
QSGGeometry::Point2D *vertices = geometry->vertexDataAsPoint2D();
for (int i = 0; i < segmentCount; ++i) {
float bezierPointX = 0;
float bezierPointY = 0;
float currentSegment = i / static_cast<float>(segmentCount - 1);
// Calculate bezier point on bezier1
std::tie(bezierPointX, bezierPointY) = calculateCubicBezierPoint(bezier1, currentSegment);
vertices[i * 2].set(translateX(bezierPointX), translateY(bezierPointY));
// Calculate bezier point on bezier2
std::tie(bezierPointX, bezierPointY) = calculateCubicBezierPoint(bezier2, currentSegment);
vertices[i * 2 + 1].set(translateX(bezierPointX), translateY(bezierPointY));
}
node->markDirty(QSGNode::DirtyGeometry);
AddGeometryNode(node);
}
void BindlingLoopsGeometry::allocate(QSGMaterial *material)
{
QSGGeometry *geometry = new QSGGeometry(BindlingLoopsGeometry::point2DWithOffset(),
usedVertices);
geometry->setIndexDataPattern(QSGGeometry::StaticPattern);
geometry->setVertexDataPattern(QSGGeometry::StaticPattern);
node = new QSGGeometryNode;
node->setGeometry(geometry);
node->setFlag(QSGNode::OwnsGeometry, true);
node->setMaterial(material);
allocatedVertices = usedVertices;
usedVertices = 0;
}
//! [4]
QSGNode *BezierCurve::updatePaintNode(QSGNode *oldNode, UpdatePaintNodeData *)
{
QSGGeometryNode *node = 0;
QSGGeometry *geometry = 0;
if (!oldNode) {
node = new QSGGeometryNode;
//! [4] //! [5]
geometry = new QSGGeometry(QSGGeometry::defaultAttributes_Point2D(), m_segmentCount);
geometry->setLineWidth(2);
geometry->setDrawingMode(GL_LINE_STRIP);
node->setGeometry(geometry);
node->setFlag(QSGNode::OwnsGeometry);
//! [5] //! [6]
QSGFlatColorMaterial *material = new QSGFlatColorMaterial;
material->setColor(QColor(255, 0, 0));
node->setMaterial(material);
node->setFlag(QSGNode::OwnsMaterial);
//! [6] //! [7]
} else {
node = static_cast<QSGGeometryNode *>(oldNode);
geometry = node->geometry();
geometry->allocate(m_segmentCount);
}
//! [7]
//! [8]
QRectF bounds = boundingRect();
QSGGeometry::Point2D *vertices = geometry->vertexDataAsPoint2D();
for (int i = 0; i < m_segmentCount; ++i) {
qreal t = i / qreal(m_segmentCount - 1);
qreal invt = 1 - t;
QPointF pos = invt * invt * invt * m_p1
+ 3 * invt * invt * t * m_p2
+ 3 * invt * t * t * m_p3
+ t * t * t * m_p4;
float x = bounds.x() + pos.x() * bounds.width();
float y = bounds.y() + pos.y() * bounds.height();
vertices[i].set(x, y);
}
node->markDirty(QSGNode::DirtyGeometry);
//! [8]
//! [9]
return node;
}
bool SGGeometryExtension::setObject(void* object, const QString& typeName)
{
if (typeName == "QSGGeometryNode") {
m_node = static_cast<QSGGeometryNode*>(object);
m_model->setNode(m_node);
QSGGeometry *geometry = m_node->geometry();
emit geometryChanged(geometry->drawingMode(),
QByteArray::fromRawData(reinterpret_cast<char*>(geometry->indexData()), geometry->indexCount()*geometry->sizeOfIndex()),
geometry->indexType());
return true;
}
return false;
}
void DynamicController::drawGateCompressor(QSGNode * rootNode) {
if (knobs.count() == 0) {
return;
}
//Update knobs
if (!this->simple()) {
QObject * gateKnob = knobs[0];
QObject * compThreshKnob = knobs[1];
QObject * compRatioKnob = knobs[2];
gateKnob->setProperty("x", graphToNodeX(_tempModel["gatex"]));
gateKnob->setProperty("y", graphToNodeY(_tempModel["gatey"]));
compThreshKnob->setProperty("x", graphToNodeX(_tempModel["compx"]));
compThreshKnob->setProperty("y", graphToNodeY(_tempModel["compy"]));
compRatioKnob->setProperty("x", graphToNodeX(xAxis.max));
compRatioKnob->setProperty("y", graphToNodeY(_tempModel["compy"]) * (1 - _tempModel["ratio"]));
}
QSGGeometryNode * lineNode = new QSGGeometryNode();
QSGGeometry * lineGeom = new QSGGeometry(QSGGeometry::defaultAttributes_Point2D(), (4));
QSGFlatColorMaterial *material = new QSGFlatColorMaterial;
material->setColor(this->curveColor());
material->setFlag(QSGMaterial::Blending);
lineNode->setMaterial(material);
lineNode->setFlag(QSGNode::OwnsGeometry);
lineNode->setFlag(QSGNode::OwnedByParent);
lineNode->setFlag(QSGNode::OwnsMaterial);
lineGeom->setDrawingMode(GL_LINE_STRIP);
glLineWidth(2.0f);
QSGGeometry::Point2D* points = lineGeom->vertexDataAsPoint2D();
QRectF bounds = boundingRect();
points->set(graphToNodeX(_tempModel["gatex"]), bounds.bottom()); points++;
points->set(graphToNodeX(_tempModel["gatex"]), graphToNodeY(_tempModel["gatey"])); points++;
points->set(graphToNodeX(_tempModel["compx"]), graphToNodeY(_tempModel["compy"])); points++;
points->set(graphToNodeX(xAxis.max), graphToNodeY(_tempModel["compy"]) * (1 - _tempModel["ratio"])); points++;
lineNode->setGeometry(lineGeom);
rootNode->appendChildNode(lineNode);
}
QSGGeometryNode *createSelectionNode(QSGMaterial *material)
{
QSGGeometryNode *selectionNode = new QSGGeometryNode;
selectionNode->setMaterial(material);
selectionNode->setFlag(QSGNode::OwnsMaterial, false);
QSGGeometry *geometry = new QSGGeometry(OpaqueColoredPoint2DWithSize::attributes(), 4);
geometry->setDrawingMode(GL_TRIANGLE_STRIP);
OpaqueColoredPoint2DWithSize *v = OpaqueColoredPoint2DWithSize::fromVertexData(geometry);
for (int i = 0; i < 4; ++i)
v[i].set(0, 0, 0, 0, 0, 0, 0, 0);
selectionNode->setGeometry(geometry);
selectionNode->setFlag(QSGNode::OwnsGeometry, true);
selectionNode->setFlag(QSGNode::OwnedByParent, false);
return selectionNode;
}
Point2DWithOffset *BindlingLoopsGeometry::vertexData()
{
QSGGeometry *geometry = node->geometry();
Q_ASSERT(geometry->attributeCount() == 2);
Q_ASSERT(geometry->sizeOfVertex() == sizeof(Point2DWithOffset));
const QSGGeometry::Attribute *attributes = geometry->attributes();
Q_ASSERT(attributes[0].position == 0);
Q_ASSERT(attributes[0].tupleSize == 2);
Q_ASSERT(attributes[0].type == GL_FLOAT);
Q_ASSERT(attributes[1].position == 1);
Q_ASSERT(attributes[1].tupleSize == 2);
Q_ASSERT(attributes[1].type == GL_FLOAT);
Q_UNUSED(attributes);
return static_cast<Point2DWithOffset *>(geometry->vertexData());
}
void SceneGraphDeviceContext::DrawPolygon(int n, vrv::Point points[], int xoffset, int yoffset, int)
{
// Note: No support for vertex antialiasing. Use a top-level QQuickView with multisample antialiasing.
// TODO: Add vertex antialiasing, refer to
// 1) Qt sources for "void QSGBasicInternalRectangleNode::updateGeometry()" in
// qtdeclarative/src/quick/scenegraph/qsgbasicinternalrectanglenode.cpp
// 2) https://stackoverflow.com/questions/28125425/smooth-painting-in-custom-qml-element
// TODO: This function only works for convex polygons. At the moment verovio calls this function only with n = 4.
// Maybe this function should be renamed to DrawConvexPolygon
vrv::Pen currentPen = m_penStack.top();
QSGGeometry *geometry;
geometry = new QSGGeometry(QSGGeometry::defaultAttributes_Point2D(), n);
geometry->setDrawingMode(QSGGeometry::DrawTriangleStrip);
QSGFlatColorMaterial *material = new QSGFlatColorMaterial;
material->setColor(static_cast<QRgb>(currentPen.GetColour()));
// Reorder points so that they can be drawn with DrawTriangleStrip.
int counter1 = 0;
int counter2 = n - 1;
for (int i = 0; i < n; i++) {
if (i % 2 == 0) {
geometry->vertexDataAsPoint2D()[i].set(
translateX(points[counter1].x + xoffset), translateY(points[counter1].y + yoffset));
counter1++;
}
else {
geometry->vertexDataAsPoint2D()[i].set(
translateX(points[counter2].x + xoffset), translateY(points[counter2].y + yoffset));
counter2--;
}
}
QSGGeometryNode *node = new QSGGeometryNode;
node->setGeometry(geometry);
node->setFlag(QSGNode::OwnsGeometry);
node->setMaterial(material);
node->setFlag(QSGNode::OwnsMaterial);
AddGeometryNode(node);
}
void DynamicController::drawCompressor(QSGNode * rootNode) {
//Update knobs
if (!this->simple()) {
QObject * threshKnob = knobs[0];
QObject * ratKnob = knobs[1];
threshKnob->setProperty("x", graphToNodeX(_tempModel["compx"]));
threshKnob->setProperty("y", graphToNodeY(_tempModel["compy"]));
ratKnob->setProperty("x", graphToNodeX(yAxis.max));
ratKnob->setProperty("y", graphToNodeY(_tempModel["compy"]) * (1 - _tempModel["ratio"]));
}
QSGGeometryNode * lineNode = new QSGGeometryNode();
QSGGeometry * lineGeom = new QSGGeometry(QSGGeometry::defaultAttributes_Point2D(), (3));
QSGFlatColorMaterial *material = new QSGFlatColorMaterial;
material->setColor(this->curveColor());
material->setFlag(QSGMaterial::Blending);
lineNode->setMaterial(material);
lineNode->setFlag(QSGNode::OwnsGeometry);
lineNode->setFlag(QSGNode::OwnedByParent);
lineNode->setFlag(QSGNode::OwnsMaterial);
lineGeom->setDrawingMode(GL_LINE_STRIP);
glLineWidth(2.0f);
QSGGeometry::Point2D* points = lineGeom->vertexDataAsPoint2D();
QRectF bounds = boundingRect();
points->set(bounds.left(), bounds.bottom()); points++;
for (int i = 0; i < 2; i++) {
QQuickItem * q = qobject_cast<QQuickItem*>(knobs[i]);
points->set(q->x(), q->y());
points++;
}
lineNode->setGeometry(lineGeom);
rootNode->appendChildNode(lineNode);
}
void QQuickAndroid9PatchNode::initialize(QSGTexture *texture, const QRectF &bounds, const QSize &sourceSize,
const QQuickAndroid9PatchDivs &xDivs, const QQuickAndroid9PatchDivs &yDivs)
{
delete m_material.texture();
m_material.setTexture(texture);
const int xlen = xDivs.data.size();
const int ylen = yDivs.data.size();
if (xlen > 0 && ylen > 0) {
const int quads = (xlen - 1) * (ylen - 1);
static const int verticesPerQuad = 6;
m_geometry.allocate(xlen * ylen, verticesPerQuad * quads);
QSGGeometry::TexturedPoint2D *vertices = m_geometry.vertexDataAsTexturedPoint2D();
QVector<qreal> xCoords = xDivs.coordsForSize(bounds.width());
QVector<qreal> yCoords = yDivs.coordsForSize(bounds.height());
for (int y = 0; y < ylen; ++y) {
for (int x = 0; x < xlen; ++x, ++vertices)
vertices->set(xCoords[x], yCoords[y], xDivs.data[x] / sourceSize.width(),
yDivs.data[y] / sourceSize.height());
}
quint16 *indices = m_geometry.indexDataAsUShort();
int n = quads;
for (int q = 0; n--; ++q) {
if ((q + 1) % xlen == 0) // next row
++q;
// Bottom-left half quad triangle
indices[0] = q;
indices[1] = q + xlen;
indices[2] = q + xlen + 1;
// Top-right half quad triangle
indices[3] = q;
indices[4] = q + xlen + 1;
indices[5] = q + 1;
indices += verticesPerQuad;
}
}
markDirty(QSGNode::DirtyGeometry | QSGNode::DirtyMaterial);
}
void QQuickDefaultClipNode::updateGeometry()
{
QSGGeometry *g = geometry();
if (qFuzzyIsNull(m_radius)) {
g->allocate(4);
QSGGeometry::updateRectGeometry(g, m_rect);
} else {
int vertexCount = 0;
// Radius should never exceeds half of the width or half of the height
qreal radius = qMin(qMin(m_rect.width() / 2, m_rect.height() / 2), m_radius);
QRectF rect = m_rect;
rect.adjust(radius, radius, -radius, -radius);
int segments = qMin(30, qCeil(radius)); // Number of segments per corner.
g->allocate((segments + 1) * 2);
QVector2D *vertices = (QVector2D *)g->vertexData();
for (int part = 0; part < 2; ++part) {
for (int i = 0; i <= segments; ++i) {
//### Should change to calculate sin/cos only once.
qreal angle = qreal(0.5 * M_PI) * (part + i / qreal(segments));
qreal s = qFastSin(angle);
qreal c = qFastCos(angle);
qreal y = (part ? rect.bottom() : rect.top()) - radius * c; // current inner y-coordinate.
qreal lx = rect.left() - radius * s; // current inner left x-coordinate.
qreal rx = rect.right() + radius * s; // current inner right x-coordinate.
vertices[vertexCount++] = QVector2D(rx, y);
vertices[vertexCount++] = QVector2D(lx, y);
}
}
}
markDirty(DirtyGeometry);
setClipRect(m_rect);
}
void SceneGraphDeviceContext::DrawLine(int x1, int y1, int x2, int y2)
{
vrv::Pen currentPen = m_penStack.top();
QSGGeometry *geometry = new QSGGeometry(QSGGeometry::defaultAttributes_Point2D(), 2);
geometry->setDrawingMode(GL_LINES);
geometry->setLineWidth(translate(currentPen.GetWidth()));
geometry->vertexDataAsPoint2D()[0].set(translateX(x1), translateY(y1));
geometry->vertexDataAsPoint2D()[1].set(translateX(x2), translateY(y2));
QSGFlatColorMaterial *material = new QSGFlatColorMaterial;
material->setColor(static_cast<QRgb>(currentPen.GetColour()));
QSGGeometryNode *node = new QSGGeometryNode;
node->setGeometry(geometry);
node->setFlag(QSGNode::OwnsGeometry);
node->setMaterial(material);
node->setFlag(QSGNode::OwnsMaterial);
AddGeometryNode(node);
}
void VideoNode::updateGeometry(const PaintAreas & areas)
{
QSGGeometry *g = geometry();
if (m_materialType == MaterialTypeVideo) {
if (!m_validGeometry)
g = new QSGGeometry(QSGGeometry::defaultAttributes_TexturedPoint2D(), 4);
QSGGeometry::TexturedPoint2D *v = g->vertexDataAsTexturedPoint2D();
// Set geometry first
setGeom(v + 0, areas.videoArea.topLeft());
setGeom(v + 1, areas.videoArea.bottomLeft());
setGeom(v + 2, areas.videoArea.topRight());
setGeom(v + 3, areas.videoArea.bottomRight());
// and then texture coordinates
setTex(v + 0, areas.sourceRect.topLeft());
setTex(v + 1, areas.sourceRect.bottomLeft());
setTex(v + 2, areas.sourceRect.topRight());
setTex(v + 3, areas.sourceRect.bottomRight());
} else {
if (!m_validGeometry)
g = new QSGGeometry(QSGGeometry::defaultAttributes_Point2D(), 4);
QSGGeometry::Point2D *v = g->vertexDataAsPoint2D();
setGeom(v + 0, areas.videoArea.topLeft());
setGeom(v + 1, areas.videoArea.bottomLeft());
setGeom(v + 2, areas.videoArea.topRight());
setGeom(v + 3, areas.videoArea.bottomRight());
}
if (!m_validGeometry) {
setGeometry(g);
m_validGeometry = true;
}
markDirty(DirtyGeometry);
}
QSGNode *QPScrollingCurve::updatePaintNode(QSGNode *oldNode, QQuickItem::UpdatePaintNodeData *)
{
QSGGeometryNode *node = 0;
QSGGeometry *geometry = 0;
QSGFlatColorMaterial *material = 0;
if (!oldNode) {
node = new QSGGeometryNode;
geometry = new QSGGeometry(QSGGeometry::defaultAttributes_Point2D(), m_data.size());
geometry->setLineWidth(2);
geometry->setDrawingMode(GL_LINE_STRIP);
node->setGeometry(geometry);
node->setFlag(QSGNode::OwnsGeometry);
material = new QSGFlatColorMaterial;
material->setColor(m_color);
node->setMaterial(material);
node->setFlag(QSGNode::OwnsMaterial);
node->markDirty(QSGNode::DirtyMaterial);
} else {
node = static_cast<QSGGeometryNode *>(oldNode);
geometry = node->geometry();
geometry->allocate(m_data.size());
material = static_cast<QSGFlatColorMaterial*>(node->material());
if (material->color() != m_color) {
material->setColor(m_color);
node->markDirty(QSGNode::DirtyMaterial);
}
}
QSGGeometry::Point2D *vertices = geometry->vertexDataAsPoint2D();
for (uint i = 0; i < m_data.size(); ++i) {
QPointF p(i, m_data[i]);
vertices[i].set(p.x(), p.y());
}
node->markDirty(QSGNode::DirtyGeometry);
return node;
}
QSGGeometry *NotesGeometry::createGeometry(QVector<int> &ids, const TimelineModel *model,
const TimelineRenderState *parentState, bool collapsed)
{
float rowHeight = TimelineModel::defaultRowHeight();
QSGGeometry *geometry = new QSGGeometry(point2DWithDistanceFromTop(),
ids.count() * 2);
geometry->setDrawingMode(GL_LINES);
geometry->setLineWidth(3);
Point2DWithDistanceFromTop *v =
static_cast<Point2DWithDistanceFromTop *>(geometry->vertexData());
for (int i = 0; i < ids.count(); ++i) {
int timelineIndex = ids[i];
float horizontalCenter = ((model->startTime(timelineIndex) +
model->endTime(timelineIndex)) / (qint64)2 -
parentState->start()) * parentState->scale();
float verticalStart = (collapsed ? (model->collapsedRow(timelineIndex) + 0.1) : 0.1) *
rowHeight;
float verticalEnd = verticalStart + 0.8 * rowHeight;
v[i * 2].set(horizontalCenter, verticalStart, 0);
v[i * 2 + 1].set(horizontalCenter, verticalEnd, 1);
}
return geometry;
}
void SceneGraphDeviceContext::DrawCircle(int x, int y, int radius)
{
// Note: No support for vertex antialiasing. Use a top-level QQuickView with multisample antialiasing.
// TODO: Add vertex antialiasing, refer to
// 1) Qt sources for "void QSGBasicInternalRectangleNode::updateGeometry()" in
// qtdeclarative/src/quick/scenegraph/qsgbasicinternalrectanglenode.cpp
// 2) https://stackoverflow.com/questions/28125425/smooth-painting-in-custom-qml-element
vrv::Pen currentPen = m_penStack.top();
int segmentCount = 16;
QSGGeometryNode *node = new QSGGeometryNode();
QSGGeometry *geometry = new QSGGeometry(QSGGeometry::defaultAttributes_Point2D(), segmentCount);
geometry->setDrawingMode(QSGGeometry::DrawTriangleFan);
node->setGeometry(geometry);
node->setFlag(QSGNode::OwnsGeometry);
QSGFlatColorMaterial *material = new QSGFlatColorMaterial;
material->setColor(static_cast<QRgb>(currentPen.GetColour()));
node->setMaterial(material);
node->setFlag(QSGNode::OwnsMaterial);
// This draws individual triangles from the first point (center) to every outer point by using DrawTriangleFan.
QSGGeometry::Point2D *vertices = geometry->vertexDataAsPoint2D();
int numPoints = geometry->vertexCount();
vertices[0].x = translateX(x);
vertices[0].y = translateY(y);
for (int i = 1; i < numPoints; ++i) {
double theta = i * 2 * M_PI / (numPoints - 2);
vertices[i].x = translateX(x + radius * static_cast<float>(std::cos(theta)));
vertices[i].y = translateY(y - radius * static_cast<float>(std::sin(theta)));
}
node->markDirty(QSGNode::DirtyGeometry);
AddGeometryNode(node);
}
void Renderer::buildRenderList(QSGNode *node, QSGClipNode *clip)
{
if (node->isSubtreeBlocked())
return;
if (node->type() == QSGNode::GeometryNodeType || node->type() == QSGNode::ClipNodeType) {
QSGBasicGeometryNode *gn = static_cast<QSGBasicGeometryNode *>(node);
QSGGeometry *g = gn->geometry();
Element e;
e.node = gn;
if (g->vertexCount() > 0) {
e.vboOffset = m_vboSize;
int vertexSize = g->sizeOfVertex() * g->vertexCount();
m_vboSize += vertexSize;
m_vboData.resize(m_vboSize);
memcpy(m_vboData.data() + e.vboOffset, g->vertexData(), vertexSize);
} else {
e.vboOffset = -1;
}
if (g->indexCount() > 0) {
e.iboOffset = m_iboSize;
int indexSize = g->sizeOfIndex() * g->indexCount();
m_iboSize += indexSize;
m_iboData.resize(m_iboSize);
memcpy(m_iboData.data() + e.iboOffset, g->indexData(), indexSize);
} else {
e.iboOffset = -1;
}
m_renderList.add(e);
static_cast<BasicGeometryNode_Accessor *>(node)->m_clip_list = clip;
if (node->type() == QSGNode::ClipNodeType)
clip = static_cast<QSGClipNode *>(node);
}
QSGNODE_TRAVERSE(node)
buildRenderList(child, clip);
}
void DynamicController::drawGate(QSGNode * rootNode) {
//Update knobs
if (!this->simple()) {
QObject * gateKnob = knobs[0];
gateKnob->setProperty("x", graphToNodeX(_tempModel["gatex"]));
gateKnob->setProperty("y", graphToNodeY(_tempModel["gatey"]));
}
QSGGeometryNode * lineNode = new QSGGeometryNode();
QSGGeometry * lineGeom = new QSGGeometry(QSGGeometry::defaultAttributes_Point2D(), (3));
QSGFlatColorMaterial *material = new QSGFlatColorMaterial;
material->setColor(this->curveColor());
material->setFlag(QSGMaterial::Blending);
lineNode->setMaterial(material);
lineNode->setFlag(QSGNode::OwnsGeometry);
lineNode->setFlag(QSGNode::OwnedByParent);
lineNode->setFlag(QSGNode::OwnsMaterial);
lineGeom->setDrawingMode(GL_LINE_STRIP);
glLineWidth(2.0f);
QSGGeometry::Point2D* points = lineGeom->vertexDataAsPoint2D();
QRectF bounds = boundingRect();
points->set(graphToNodeX(_tempModel["gatex"]), bounds.bottom()); points++;
points->set(graphToNodeX(_tempModel["gatex"]), graphToNodeX(_tempModel["gatey"])); points++;
points->set(bounds.right(), bounds.top()); points++;
lineNode->setGeometry(lineGeom);
rootNode->appendChildNode(lineNode);
}
void
QcLocationCircleNode::update(const QcLocationCircleData & location_circle_data)
{
// QSGGeometry * location_circle_geometry = new QSGGeometry(QSGGeometry::defaultAttributes_Point2D(), 1);
// location_circle_geometry->setLineWidth(100); // point size, max is 255
// location_circle_geometry->setDrawingMode(GL_POINTS);
QSGGeometry * geometry = new QSGGeometry(LocationCirclePoint2D_AttributeSet, 4);
geometry->setDrawingMode(GL_TRIANGLE_STRIP);
m_geometry_node->setGeometry(geometry);
m_geometry_node->setFlag(QSGNode::OwnsGeometry);
LocationCirclePoint2D * vertices = static_cast<LocationCirclePoint2D *>(geometry->vertexData());
float x, y;
if (location_circle_data.visible()) {
QcVectorDouble screen_coordinate = m_viewport->coordinate_to_screen(location_circle_data.coordinate());
x = screen_coordinate.x();
y = screen_coordinate.y();
qInfo() << screen_coordinate;
} else {
x = .5 * m_viewport->width(); // Fixme: vector
y = .5 * m_viewport->height();
}
float accuracy_radius = m_viewport->to_px(location_circle_data.horizontal_precision());
constexpr float dot_radius_minimum = 10.;
constexpr float cone_scale_factor = 5.;
float dot_radius = qMax(accuracy_radius, dot_radius_minimum);
float radius = cone_scale_factor * dot_radius_minimum;
float margin = 10;
float size = radius + margin;
float angle = location_circle_data.bearing() + 90.; // North point to y
vertices[0].set(QcVectorDouble(x - size, y - size), QcVectorDouble(-size, -size), radius, dot_radius, accuracy_radius, angle);
vertices[1].set(QcVectorDouble(x - size, y + size), QcVectorDouble(-size, size), radius, dot_radius, accuracy_radius, angle);
vertices[2].set(QcVectorDouble(x + size, y - size), QcVectorDouble( size, -size), radius, dot_radius, accuracy_radius, angle);
vertices[3].set(QcVectorDouble(x + size, y + size), QcVectorDouble( size, size), radius, dot_radius, accuracy_radius, angle);
}
QSGNode* drawRect(const QRect& rect, QSGNode* oldNode)
{
QSGGeometryNode* node;
if (oldNode == nullptr)
{
node = new QSGGeometryNode;
QSGGeometry* geometry = new QSGGeometry(QSGGeometry::defaultAttributes_Point2D(), 8);
geometry->setDrawingMode(GL_LINES);
geometry->setLineWidth(1);
QSGFlatColorMaterial* material = new QSGFlatColorMaterial;
material->setColor(QGuiApplication::palette().color(QPalette::Normal, QPalette::WindowText));
node->setGeometry(geometry);
node->setFlag(QSGNode::OwnsGeometry);
node->setMaterial(material);
node->setFlag(QSGNode::OwnsMaterial);
}
else
{
node = static_cast<QSGGeometryNode*>(oldNode);
}
QSGGeometry* geometry = node->geometry();
// FIXME: check if these really have to be updated
geometry->vertexDataAsPoint2D()[0].set(rect.topLeft().x(), rect.topLeft().y());
geometry->vertexDataAsPoint2D()[1].set(rect.topRight().x(), rect.topRight().y());
geometry->vertexDataAsPoint2D()[2].set(rect.topRight().x(), rect.topRight().y());
geometry->vertexDataAsPoint2D()[3].set(rect.bottomRight().x(), rect.bottomRight().y());
geometry->vertexDataAsPoint2D()[4].set(rect.bottomRight().x(), rect.bottomRight().y());
geometry->vertexDataAsPoint2D()[5].set(rect.bottomLeft().x(), rect.bottomLeft().y());
geometry->vertexDataAsPoint2D()[6].set(rect.bottomLeft().x(), rect.bottomLeft().y());
geometry->vertexDataAsPoint2D()[7].set(rect.topLeft().x(), rect.topLeft().y());
node->markDirty(QSGNode::DirtyGeometry);
return node;
}
void ShaderEffectItem::updateGeometry()
{
QRectF srcRect(0, 1, 1, -1);
if (m_mirrored)
srcRect = QRectF(0, 0, 1, 1);
QRectF dstRect = QRectF(0,0, width(), height());
int vmesh = m_meshResolution.height();
int hmesh = m_meshResolution.width();
QSGGeometry *g = &m_geometry;
if (vmesh == 1 && hmesh == 1) {
if (g->vertexCount() != 4)
g->allocate(4);
QSGGeometry::updateTexturedRectGeometry(g, dstRect, srcRect);
return;
}
g->allocate((vmesh + 1) * (hmesh + 1), vmesh * 2 * (hmesh + 2));
QSGGeometry::TexturedPoint2D *vdata = g->vertexDataAsTexturedPoint2D();
for (int iy = 0; iy <= vmesh; ++iy) {
float fy = iy / float(vmesh);
float y = float(dstRect.top()) + fy * float(dstRect.height());
float ty = float(srcRect.top()) + fy * float(srcRect.height());
for (int ix = 0; ix <= hmesh; ++ix) {
float fx = ix / float(hmesh);
vdata->x = float(dstRect.left()) + fx * float(dstRect.width());
vdata->y = y;
vdata->tx = float(srcRect.left()) + fx * float(srcRect.width());
vdata->ty = ty;
++vdata;
}
}
quint16 *indices = (quint16 *)g->indexDataAsUShort();
int i = 0;
for (int iy = 0; iy < vmesh; ++iy) {
*(indices++) = i + hmesh + 1;
for (int ix = 0; ix <= hmesh; ++ix, ++i) {
*(indices++) = i + hmesh + 1;
*(indices++) = i;
}
*(indices++) = i - 1;
}
}
QSGNode* OMX_MediaProcessorElement::updatePaintNode(QSGNode*, UpdatePaintNodeData*)
{
if (!m_texProvider) {
m_texProvider = new OMX_TextureProviderQQuickItem(this);
m_mediaProc = new OMX_MediaProcessor(m_texProvider);
connect(m_mediaProc, SIGNAL(playbackCompleted()), this, SIGNAL(playbackCompleted()));
connect(m_mediaProc, SIGNAL(playbackStarted()), this, SIGNAL(playbackStarted()));
// Open if filepath is set.
// TODO: Handle errors.
if (!m_source.isNull()) {
//if (QFile(m_source).exists()) {
if (openMedia(m_source))
m_mediaProc->play();
//}
//else {
LOG_WARNING(LOG_TAG, "File does not exist.");
//}
}
}
return NULL;
#if 0
QSGGeometryNode* node = 0;
QSGGeometry* geometry = 0;
if (!oldNode) {
// Create the node.
node = new QSGGeometryNode;
geometry = new QSGGeometry(QSGGeometry::defaultAttributes_TexturedPoint2D(), 4);
geometry->setDrawingMode(GL_TRIANGLE_STRIP);
node->setGeometry(geometry);
node->setFlag(QSGNode::OwnsGeometry);
// TODO: Who is freeing this?
// TODO: I cannot know the texture size here.
QSGOpaqueTextureMaterial* material = new QSGOpaqueTextureMaterial;
m_sgtexture = new OMX_SGTexture(m_texture, QSize(1920, 1080));
material->setTexture(m_sgtexture);
node->setMaterial(material);
node->setFlag(QSGNode::OwnsMaterial);
#ifdef ENABLE_VIDEO_PROCESSOR
QPlatformNativeInterface* nativeInterface =
QGuiApplicationPrivate::platformIntegration()->nativeInterface();
Q_ASSERT(nativeInterface);
EGLDisplay eglDisplay = nativeInterface->nativeResourceForIntegration("egldisplay");
EGLContext eglContext = nativeInterface->nativeResourceForContext(
"eglcontext",
QOpenGLContext::currentContext()
);
#endif
// Provider MUST be built in this thread.
m_provider = new OMX_TextureProviderQQuickItem(this);
#ifdef ENABLE_VIDEO_PROCESSOR
m_videoProc = new OMX_VideoProcessor(eglDisplay, eglContext, m_provider);
connect(m_videoProc, SIGNAL(textureReady(uint)), this, SLOT(onTextureChanged(uint)));
if (!m_source.isNull())
m_videoProc->setVideoPath(m_source);
if (m_playScheduled) {
m_timer->start(30);
m_videoProc->play();
}
#elif ENABLE_MEDIA_PROCESSOR
LOG_VERBOSE(LOG_TAG, "Starting video using media processor...");
m_mediaProc = new OMX_MediaProcessor(m_provider);
m_mediaProc->setFilename("/home/pi/usb/Cars2.mkv", m_texture);
//if (m_playScheduled) {
m_timer->start(40);
m_mediaProc->play();
//}
#else
LOG_VERBOSE(LOG_TAG, "Starting video...");
QtConcurrent::run(&startVideo, m_provider, this);
m_timer->start(30);
#endif
}
else {
node = static_cast<QSGGeometryNode*>(oldNode);
geometry = node->geometry();
geometry->allocate(4);
// Update texture in the node if needed.
QSGOpaqueTextureMaterial* material = (QSGOpaqueTextureMaterial*)node->material();
if (m_texture != (GLuint)material->texture()->textureId()) {
// TODO: Does setTextureId frees the prev texture?
// TODO: I should the given the texture size.
LOG_ERROR(LOG_TAG, "Updating texture to %u!", m_texture);
material = new QSGOpaqueTextureMaterial;
m_sgtexture->setTexture(m_texture, QSize(1920, 1080));
}
}
// Create the vertices and map to texture.
QRectF bounds = boundingRect();
QSGGeometry::TexturedPoint2D* vertices = geometry->vertexDataAsTexturedPoint2D();
vertices[0].set(bounds.x(), bounds.y() + bounds.height(), 0.0f, 0.0f);
vertices[1].set(bounds.x() + bounds.width(), bounds.y() + bounds.height(), 1.0f, 0.0f);
vertices[2].set(bounds.x(), bounds.y(), 0.0f, 1.0f);
vertices[3].set(bounds.x() + bounds.width(), bounds.y(), 1.0f, 1.0f);
return node;
#endif
}