Exemplo n.º 1
0
void GLWidget::paintGL()
{

    glClearColor(1.0, 1.0, 0.0, 1.0);
    glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
    switch (type)
    {
        case 0:  drawPoints() ;
                 break;
        case 1:  drawLines();
                 break;
        case 2:  drawLineStrip();
                 break;
        case 3:  drawLineLoop();
                 break;
        case 4:  drawTriangles();
                 break;
        case 5:  drawTriangleStrip();
                 break;
        case 6:  drawTriangleFan();
                 break;
        case 7:  drawQuads();
                 break;
        case 8:  drawQuadStrip();
                 break;
        case 9:  drawPolygons();
                 break;
        default: break;
    }


}
Exemplo n.º 2
0
/*
* Function in charge of refreshing the display of the window
*/
void display() {
	glClear(GL_COLOR_BUFFER_BIT);	// Clears the display

	write();

#if USE_DRAW_V2
	switch(currentAlgorithm) {
	case GRAHAM_SCAN:
		drawLineStrip(*currentGrahamPoints, 2, true);
		break;
	case JARVIS:
		drawLineStrip(LineStrip(jarvis->getEnveloppe()), 2, true);
		break;
	case TRIANGULATION2D_QCQ:
		drawTriangleStrip(*triangulation2D_qcq, 2);
		break;
		//case TRIANGULATION_2D_DELAUNAY_BOWYER_WATSON:
		//	drawTriangleStrip(*triangulation2D_Delaunay_Bowyer_Watson, 2);
		//	break;
	case TRIANGULATION_2D_DELAUNAY:
		drawTriangleStrip(*triangulation2D_Delaunay, 2);
		break;
		//case DELAUNAY:
		//	std::cout << delaunay->computeTriangles().size() << std::endl;
		//	drawTriangleStrip(TriangleStrip(currentLine->getPoints(), delaunay->computeTriangles()), 2);
		//	break;
	case VORONOI:
		//drawLineStrip(LineStrip(voronoi->getArea()), 2, true);
		drawLineStrip(LineStrip(voronoi->getPoints()), 1, true);
		drawLineStrip(LineStrip(voronoi->getMediatriceP()), 2, true);
		drawCircle(voronoi->getRadius().at(0), *voronoi->getActualPoint().at(0));
		drawCircle(voronoi->getRadius().at(0), *voronoi->getActualPoint().at(1));
		drawLineStrip(LineStrip(voronoi->getIntersect()), 2, true);
		break;
	case NONE:
		break;
	default:
		break;
	}
	drawLineStrip(*currentLine, 2, false);
#else
	if(currentLine != nullptr)
		drawLineStrip(*currentLine, 2, false);
	if(currentJarvisPoints != nullptr)
		drawLineStrip(*currentJarvisPoints, 2, true);
	if(currentGrahamPoints != nullptr)
		drawLineStrip(*currentGrahamPoints, 2, true);
#endif

	glutSwapBuffers();				// Double buffer ?
	glFlush();						// Forces refresh ?
}
Exemplo n.º 3
0
void PrimitiveShader_PC::drawLineLoop(const Vec2 *points, size_t n)
{
    drawLineStrip(points, n);
    int N = buffer_.size();
    buffer_.resize(N+2);
    auto p = &buffer_[N];
    p[0].pos = points[n-1];
    p[1].pos = points[0];
    p[0].color = p[1].color = getColor4();
}
Exemplo n.º 4
0
void
CurveGui::drawCurve(int curveIndex,
                    int curvesCount)
{
    // always running in the main thread
    assert( qApp && qApp->thread() == QThread::currentThread() );

    AnimItemBasePtr item = _imp->item.lock();
    if (!item) {
        return;
    }

    std::vector<float> vertices, exprVertices;
    const double widgetWidth = _imp->curveWidget->width();
    KeyFrameSet keyframes;
    bool hasDrawnExpr = false;
    if (item->hasExpression(_imp->dimension, _imp->view)) {

        //we have no choice but to evaluate the expression at each time
        for (int i = 0; i < widgetWidth; ++i) {
            double x = _imp->curveWidget->toZoomCoordinates(i, 0).x();
            double y = evaluate(true /*useExpr*/, x);
            exprVertices.push_back(x);
            exprVertices.push_back(y);
        }
        hasDrawnExpr = true;

    }


    QPointF btmLeft = _imp->curveWidget->toZoomCoordinates(0, _imp->curveWidget->height() - 1);
    QPointF topRight = _imp->curveWidget->toZoomCoordinates(_imp->curveWidget->width() - 1, 0);

    


    bool isPeriodic = false;
    std::pair<double,double> parametricRange = std::make_pair(-std::numeric_limits<double>::infinity(), std::numeric_limits<double>::infinity());

    keyframes = getInternalCurve()->getKeyFrames_mt_safe();
    isPeriodic = getInternalCurve()->isCurvePeriodic();
    parametricRange = getInternalCurve()->getXRange();

    if ( keyframes.empty() ) {
        // Add a horizontal line for constant knobs, except string knobs.
        KnobIPtr isKnob = boost::dynamic_pointer_cast<KnobI>(item->getInternalAnimItem());

        if (isKnob) {
            KnobStringBasePtr isString = boost::dynamic_pointer_cast<KnobStringBase>(isKnob);
            if (!isString) {
                double value = evaluate(false, 0);
                vertices.push_back(btmLeft.x() + 1);
                vertices.push_back(value);
                vertices.push_back(topRight.x() - 1);
                vertices.push_back(value);
            }
        }
    } else {
        try {
            double x1 = 0;
            double x2;

            bool isX1AKey = false;
            KeyFrame x1Key;
            KeyFrameSet::const_iterator lastUpperIt = keyframes.end();

            while ( x1 < (widgetWidth - 1) ) {
                double x, y;
                if (!isX1AKey) {
                    x = _imp->curveWidget->toZoomCoordinates(x1, 0).x();
                    y = evaluate(false, x);
                } else {
                    x = x1Key.getTime();
                    y = x1Key.getValue();
                }

                vertices.push_back( (float)x );
                vertices.push_back( (float)y );
                nextPointForSegment(x, keyframes, isPeriodic, parametricRange.first, parametricRange.second,  &lastUpperIt, &x2, &x1Key, &isX1AKey);
                x1 = x2;
            }
            //also add the last point
            {
                double x = _imp->curveWidget->toZoomCoordinates(x1, 0).x();
                double y = evaluate(false, x);
                vertices.push_back( (float)x );
                vertices.push_back( (float)y );
            }
        } catch (...) {
        }
    }

    // No Expr curve or no vertices for the curve, don't draw anything else
    if (exprVertices.empty() && vertices.empty()) {
        return;
    }

    AnimationModuleSelectionModelPtr selectionModel = item->getModel()->getSelectionModel();
    assert(selectionModel);
    const AnimItemDimViewKeyFramesMap& selectedKeys = selectionModel->getCurrentKeyFramesSelection();


    const KeyFrameWithStringSet* foundThisCurveSelectedKeys = 0;
    {
        AnimItemDimViewIndexID k;
        k.item = item;
        k.dim = _imp->dimension;
        k.view = _imp->view;
        AnimItemDimViewKeyFramesMap::const_iterator foundDimView = selectedKeys.find(k);

        if (foundDimView != selectedKeys.end()) {
            foundThisCurveSelectedKeys = &foundDimView->second;
        }
    }


    {
        GLProtectAttrib<GL_GPU> a(GL_HINT_BIT | GL_ENABLE_BIT | GL_LINE_BIT | GL_COLOR_BUFFER_BIT | GL_POINT_BIT | GL_CURRENT_BIT);

        // If this is the only curve selected, draw min/max
        if (foundThisCurveSelectedKeys && selectedKeys.size()) {

            // Draw y min/max axis so the user understands why the value is clamped
            Curve::YRange curveYRange = getCurveYRange();
            if (curveYRange.min != INT_MIN &&
                curveYRange.min != -std::numeric_limits<double>::infinity() &&
                curveYRange.max != INT_MAX &&
                curveYRange.max != std::numeric_limits<double>::infinity() ) {
                QColor minMaxColor;
                minMaxColor.setRgbF(0.398979, 0.398979, 0.398979);
                GL_GPU::Color4d(minMaxColor.redF(), minMaxColor.greenF(), minMaxColor.blueF(), 1.);
                GL_GPU::Begin(GL_LINES);
                GL_GPU::Vertex2d(btmLeft.x(), curveYRange.min);
                GL_GPU::Vertex2d(topRight.x(), curveYRange.min);
                GL_GPU::Vertex2d(btmLeft.x(), curveYRange.max);
                GL_GPU::Vertex2d(topRight.x(), curveYRange.max);
                GL_GPU::End();
                GL_GPU::Color4d(1., 1., 1., 1.);

                double xText = _imp->curveWidget->toZoomCoordinates(10, 0).x();

                _imp->curveWidget->renderText( xText, curveYRange.min, tr("min").toStdString(), minMaxColor.redF(), minMaxColor.greenF(), minMaxColor.blueF(), minMaxColor.alphaF());
                _imp->curveWidget->renderText( xText, curveYRange.max, tr("max").toStdString(), minMaxColor.redF(), minMaxColor.greenF(), minMaxColor.blueF(), minMaxColor.alphaF());
            }
        }


        GL_GPU::Color4f(_imp->color[0], _imp->color[1], _imp->color[2], _imp->color[3]);
        GL_GPU::PointSize(_imp->lineWidth);
        GL_GPU::Enable(GL_BLEND);
        GL_GPU::BlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
        GL_GPU::Enable(GL_LINE_SMOOTH);
        GL_GPU::Hint(GL_LINE_SMOOTH_HINT, GL_DONT_CARE);
        GL_GPU::LineWidth(1.5);
        glCheckError(GL_GPU);
        if (hasDrawnExpr) {
            drawLineStrip(exprVertices, btmLeft, topRight);
            GL_GPU::LineStipple(2, 0xAAAA);
            GL_GPU::Enable(GL_LINE_STIPPLE);
        }
        drawLineStrip(vertices, btmLeft, topRight);
        if (hasDrawnExpr) {
            GL_GPU::Disable(GL_LINE_STIPPLE);
        }

        glCheckErrorIgnoreOSXBug(GL_GPU);

        //render the name of the curve
        GL_GPU::Color4f(1.f, 1.f, 1.f, 1.f);


        double interval = ( topRight.x() - btmLeft.x() ) / (double)curvesCount;
        double textX = _imp->curveWidget->toZoomCoordinates(15, 0).x() + interval * (double)curveIndex;
        double textY;

        CurvePtr internalCurve = _imp->internalCurve.lock();
        QString curveName = getName();
        QColor thisColor;
        thisColor.setRgbF(Image::clamp(_imp->color[0], 0., 1.),
                          Image::clamp(_imp->color[1], 0., 1.),
                          Image::clamp(_imp->color[2], 0., 1.));

        try {
            // Use expression to place the text if the curve is not animated
            textY = evaluate(internalCurve && !internalCurve->isAnimated(), textX);
        } catch (...) {
            // if it fails attempt without expression, this will most likely return a constant value
            textY = evaluate(false /*useExpression*/, textX);
        }

        if ( ( textX >= btmLeft.x() ) && ( textX <= topRight.x() ) && ( textY >= btmLeft.y() ) && ( textY <= topRight.y() ) ) {
            _imp->curveWidget->renderText( textX, textY, curveName.toStdString(), thisColor.redF(), thisColor.greenF(), thisColor.blueF(), thisColor.alphaF());
        }
        GL_GPU::Color4f(_imp->color[0], _imp->color[1], _imp->color[2], _imp->color[3]);

        //draw keyframes
        GL_GPU::PointSize(7.f);
        GL_GPU::Enable(GL_POINT_SMOOTH);


        KeyFrameWithStringSet::const_iterator foundSelectedKey;
        if (foundThisCurveSelectedKeys) {
            foundSelectedKey = foundThisCurveSelectedKeys->end();
        }
        for (KeyFrameSet::const_iterator k = keyframes.begin(); k != keyframes.end(); ++k) {
            const KeyFrame & key = (*k);

            // Do not draw keyframes out of range
            if ( ( key.getTime() < btmLeft.x() ) || ( key.getTime() > topRight.x() ) || ( key.getValue() < btmLeft.y() ) || ( key.getValue() > topRight.y() ) ) {
                continue;
            }

            GL_GPU::Color4f(_imp->color[0], _imp->color[1], _imp->color[2], _imp->color[3]);

            bool drawKeySelected = false;
            if (foundThisCurveSelectedKeys) {
                KeyFrameWithStringSet::const_iterator start = foundSelectedKey == foundThisCurveSelectedKeys->end() ? foundThisCurveSelectedKeys->begin() : foundSelectedKey;
                foundSelectedKey = std::find_if(start, foundThisCurveSelectedKeys->end(), KeyFrameWithStringTimePredicate(key.getTime()));
                drawKeySelected = foundSelectedKey != foundThisCurveSelectedKeys->end();
                if (!drawKeySelected) {
                    // Also draw the keyframe as selected if it is inside the selection rectangle (but not yet selected)
                    RectD selectionRect = _imp->curveWidget->getSelectionRectangle();
                    drawKeySelected |= _imp->curveWidget->_imp->eventTriggeredFromCurveEditor && (!selectionRect.isNull() && selectionRect.contains(key.getTime(), key.getValue()));
                }
            }
            // If the key is selected change its color
            if (drawKeySelected) {
                GL_GPU::Color4f(0.8f, 0.8f, 0.8f, 1.f);
            }


            RectD keyframeBbox = _imp->curveWidget->_imp->getKeyFrameBoundingRectCanonical(_imp->curveWidget->_imp->curveEditorZoomContext, key.getTime(), key.getValue());

            // draw texture of the keyframe
            {
                AnimationModuleViewPrivate::KeyframeTexture texType = AnimationModuleViewPrivate::kfTextureFromKeyframeType( key.getInterpolation(), drawKeySelected);
                if (texType != AnimationModuleViewPrivate::kfTextureNone) {
                    _imp->curveWidget->_imp->drawTexturedKeyframe(texType, keyframeBbox, false /*drawdimed*/);
                }
            }

            
            // Draw tangents if not constant
            bool drawTangents = drawKeySelected && internalCurve->isYComponentMovable() && (key.getInterpolation() != eKeyframeTypeConstant);
            if (drawTangents) {
                QFontMetrics m( _imp->curveWidget->font());


                // If interpolation is not free and not broken display with dashes the tangents lines
                if ( (key.getInterpolation() != eKeyframeTypeFree) && (key.getInterpolation() != eKeyframeTypeBroken) ) {
                    GL_GPU::LineStipple(2, 0xAAAA);
                    GL_GPU::Enable(GL_LINE_STIPPLE);
                }
                
                QPointF leftTanPos, rightTanPos;
                _imp->curveWidget->getKeyTangentPoints(k, keyframes, &leftTanPos, &rightTanPos);

                // Draw the derivatives lines
                GL_GPU::Begin(GL_LINES);
                GL_GPU::Color4f(1., 0.35, 0.35, 1.);
                GL_GPU::Vertex2f( leftTanPos.x(), leftTanPos.y() );
                GL_GPU::Vertex2f(key.getTime(), key.getValue());
                GL_GPU::Vertex2f(key.getTime(), key.getValue());
                GL_GPU::Vertex2f( rightTanPos.x(), rightTanPos.y());
                GL_GPU::End();
                if ( (key.getInterpolation() != eKeyframeTypeFree) && (key.getInterpolation() != eKeyframeTypeBroken) ) {
                    GL_GPU::Disable(GL_LINE_STIPPLE);
                }


                // Draw the tangents handles
                GL_GPU::Begin(GL_POINTS);
                GL_GPU::Vertex2f( leftTanPos.x(), leftTanPos.y() );
                GL_GPU::Vertex2f( rightTanPos.x(), rightTanPos.y());
                GL_GPU::End();

                // If only one keyframe is selected, also draw the coordinates
                if (selectedKeys.size() == 1 && foundThisCurveSelectedKeys && foundThisCurveSelectedKeys->size() == 1) {
                    double rounding = std::pow(10., CURVEWIDGET_DERIVATIVE_ROUND_PRECISION);
                    QString leftDerivStr = QString::fromUtf8("l: %1").arg(std::floor( (key.getLeftDerivative() * rounding) + 0.5 ) / rounding);
                    QString rightDerivStr = QString::fromUtf8("r: %1").arg(std::floor( (key.getRightDerivative() * rounding) + 0.5 ) / rounding);
                    double yLeftWidgetCoord = _imp->curveWidget->toWidgetCoordinates(0, leftTanPos.y()).y();
                    yLeftWidgetCoord += (m.height() + 4);

                    double yRightWidgetCoord = _imp->curveWidget->toWidgetCoordinates(0, rightTanPos.y()).y();
                    yRightWidgetCoord += (m.height() + 4);

                    GL_GPU::Color4f(1., 1., 1., 1.);
                    glCheckFramebufferError(GL_GPU);
                    _imp->curveWidget->renderText( leftTanPos.x(), _imp->curveWidget->toZoomCoordinates(0, yLeftWidgetCoord).y(),
                                              leftDerivStr.toStdString(), 0.9, 0.9, 0.9, 1.);
                    _imp->curveWidget->renderText( rightTanPos.x(), _imp->curveWidget->toZoomCoordinates(0, yRightWidgetCoord).y(),
                                                  rightDerivStr.toStdString(), 0.9, 0.9, 0.9, 1.);


                    QString coordStr = QString::fromUtf8("x: %1, y: %2");
                    coordStr = coordStr.arg(key.getTime()).arg(key.getValue());
                    double yWidgetCoord = _imp->curveWidget->toWidgetCoordinates( 0, key.getValue() ).y();
                    yWidgetCoord += (m.height() + 4);
                    GL_GPU::Color4f(1., 1., 1., 1.);
                    glCheckFramebufferError(GL_GPU);
                    _imp->curveWidget->renderText( key.getTime(), _imp->curveWidget->toZoomCoordinates(0, yWidgetCoord).y(),
                                                  coordStr.toStdString(), 0.9, 0.9, 0.9, 1.);

                }

            } // drawTangents

        } // for (KeyFrameSet::const_iterator k = keyframes.begin(); k != keyframes.end(); ++k) {
    } // GLProtectAttrib(GL_HINT_BIT | GL_ENABLE_BIT | GL_LINE_BIT | GL_COLOR_BUFFER_BIT | GL_POINT_BIT | GL_CURRENT_BIT);

    glCheckError(GL_GPU);
} // drawCurve
Exemplo n.º 5
0
void PrimitiveShader_PC::drawLineLoop(const Mat3 &transform, const Point *points, size_t n)
{
    drawLineStrip(transform, points, n);
    buffer_.push_back(Point{transform_helper(transform, points[n-1].pos),points[n-1].color});
    buffer_.push_back(Point{transform_helper(transform, points[0].pos),points->color});
}
Exemplo n.º 6
0
void PrimitiveShader_PC::drawLineLoop(const Mat3 &transform, const Vec2 *points, size_t n)
{
    drawLineStrip(transform, points, n);
    buffer_.push_back(Point{transform_helper(transform, points[n-1]),getColor4()});
    buffer_.push_back(Point{transform_helper(transform, *points),getColor4()});
}
Exemplo n.º 7
0
void PrimitiveShader_PC::drawLineLoop(const Point *points, size_t n)
{
    drawLineStrip(points, n);
    buffer_.push_back(points[n-1]);
    buffer_.push_back(points[0]);
}