diff options
Diffstat (limited to 'src/charts/glwidget.cpp')
| -rw-r--r-- | src/charts/glwidget.cpp | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/src/charts/glwidget.cpp b/src/charts/glwidget.cpp index c0070dcd..ea2734fc 100644 --- a/src/charts/glwidget.cpp +++ b/src/charts/glwidget.cpp @@ -42,7 +42,7 @@ QT_CHARTS_BEGIN_NAMESPACE -GLWidget::GLWidget(GLXYSeriesDataManager *xyDataManager, QWidget *parent) +GLWidget::GLWidget(GLXYSeriesDataManager *xyDataManager, QGraphicsView *parent) : QOpenGLWidget(parent), m_program(0), m_shaderAttribLoc(-1), @@ -50,7 +50,9 @@ GLWidget::GLWidget(GLXYSeriesDataManager *xyDataManager, QWidget *parent) m_minUniformLoc(-1), m_deltaUniformLoc(-1), m_pointSizeUniformLoc(-1), - m_xyDataManager(xyDataManager) + m_xyDataManager(xyDataManager), + m_antiAlias(parent->renderHints().testFlag(QPainter::Antialiasing)), + m_view(parent) { setAttribute(Qt::WA_TranslucentBackground); setAttribute(Qt::WA_AlwaysStackOnTop); @@ -65,6 +67,7 @@ GLWidget::GLWidget(GLXYSeriesDataManager *xyDataManager, QWidget *parent) surfaceFormat.setAlphaBufferSize(8); surfaceFormat.setSwapBehavior(QSurfaceFormat::DoubleBuffer); surfaceFormat.setRenderableType(QSurfaceFormat::DefaultRenderableType); + surfaceFormat.setSamples(m_antiAlias ? 4 : 0); setFormat(surfaceFormat); connect(xyDataManager, &GLXYSeriesDataManager::seriesRemoved, @@ -182,14 +185,15 @@ void GLWidget::paintGL() m_program->setUniformValue(m_minUniformLoc, data->min); m_program->setUniformValue(m_deltaUniformLoc, data->delta); m_program->setUniformValue(m_matrixUniformLoc, data->matrix); - + bool dirty = data->dirty; if (!vbo) { vbo = new QOpenGLBuffer; m_seriesBufferMap.insert(i.key(), vbo); vbo->create(); + dirty = true; } vbo->bind(); - if (data->dirty) { + if (dirty) { vbo->allocate(data->array.constData(), data->array.count() * sizeof(GLfloat)); data->dirty = false; } @@ -231,6 +235,11 @@ void GLWidget::resizeGL(int w, int h) Q_UNUSED(h) } +bool GLWidget::needsReset() const +{ + return m_view->renderHints().testFlag(QPainter::Antialiasing) != m_antiAlias; +} + QT_CHARTS_END_NAMESPACE #endif |