src/editmodes/circleMode.cc

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changeset 935
8d98ee0dc917
parent 930
ab77deb851fa
parent 934
be8128aff739
child 936
aee883858c90
--- a/src/editmodes/circleMode.cc	Tue Mar 03 16:50:39 2015 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,315 +0,0 @@
-/*
- *  LDForge: LDraw parts authoring CAD
- *  Copyright (C) 2013 - 2015 Teemu Piippo
- *
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- * (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
-
-#include <QPainter>
-#include "circleMode.h"
-#include "../miscallenous.h"
-#include "../ldObject.h"
-#include "../ldDocument.h"
-#include "../ringFinder.h"
-#include "../primitives.h"
-#include "../glRenderer.h"
-#include "../mainWindow.h"
-#include "../ldObjectMath.h"
-
-CircleMode::CircleMode (GLRenderer* renderer) :
-	Super (renderer) {}
-
-EditModeType CircleMode::type() const
-{
-	return EditModeType::Circle;
-}
-
-double CircleMode::getCircleDrawDist (int pos) const
-{
-	assert (m_drawedVerts.size() >= pos + 1);
-	Vertex v1 = (m_drawedVerts.size() >= pos + 2) ? m_drawedVerts[pos + 1] :
-		renderer()->coordconv2_3 (renderer()->mousePosition(), false);
-	Axis localx, localy;
-	renderer()->getRelativeAxes (localx, localy);
-	double dx = m_drawedVerts[0][localx] - v1[localx];
-	double dy = m_drawedVerts[0][localy] - v1[localy];
-	return Grid::Snap (sqrt ((dx * dx) + (dy * dy)), Grid::Coordinate);
-}
-
-Matrix CircleMode::getCircleDrawMatrix (double scale)
-{
-	// Matrix templates. 2 is substituted with the scale value, 1 is inverted to -1 if needed.
-	static const Matrix templates[3] =
-	{
-		{ 2, 0, 0, 0, 1, 0, 0, 0, 2 },
-		{ 2, 0, 0, 0, 0, 2, 0, 1, 0 },
-		{ 0, 1, 0, 2, 0, 0, 0, 0, 2 },
-	};
-
-	Matrix transform = templates[renderer()->camera() % 3];
-
-	for (int i = 0; i < 9; ++i)
-	{
-		if (transform[i] == 2)
-			transform[i] = scale;
-		elif (transform[i] == 1 and renderer()->camera() >= 3)
-			transform[i] = -1;
-	}
-
-	return transform;
-}
-
-void CircleMode::buildCircle()
-{
-	LDObjectList objs;
-	const int segments (g_win->ringToolSegments());
-	const int divisions (g_win->ringToolHiRes() ? HighResolution : LowResolution);
-	double dist0 (getCircleDrawDist (0));
-	double dist1 (getCircleDrawDist (1));
-	LDDocumentPtr refFile;
-	Matrix transform;
-	bool circleOrDisc = false;
-
-	if (dist1 < dist0)
-		qSwap (dist0, dist1);
-
-	if (dist0 == dist1)
-	{
-		// If the radii are the same, there's no ring space to fill. Use a circle.
-		refFile = GetPrimitive (::Circle, segments, divisions, 0);
-		transform = getCircleDrawMatrix (dist0);
-		circleOrDisc = true;
-	}
-	elif (dist0 == 0 or dist1 == 0)
-	{
-		// If either radii is 0, use a disc.
-		refFile = GetPrimitive (::Disc, segments, divisions, 0);
-		transform = getCircleDrawMatrix ((dist0 != 0) ? dist0 : dist1);
-		circleOrDisc = true;
-	}
-	elif (g_RingFinder.findRings (dist0, dist1))
-	{
-		// The ring finder found a solution, use that. Add the component rings to the file.
-		for (const RingFinder::Component& cmp : g_RingFinder.bestSolution()->getComponents())
-		{
-			refFile = GetPrimitive (::Ring, segments, divisions, cmp.num);
-			LDSubfilePtr ref = LDSpawn<LDSubfile>();
-			ref->setFileInfo (refFile);
-			ref->setTransform (getCircleDrawMatrix (cmp.scale));
-			ref->setPosition (m_drawedVerts[0]);
-			ref->setColor (MainColor());
-			objs << ref;
-		}
-	}
-	else
-	{
-		// Ring finder failed, last resort: draw the ring with quads
-		QList<QLineF> c0, c1;
-		Axis localx, localy, localz;
-		renderer()->getRelativeAxes (localx, localy);
-		localz = (Axis) (3 - localx - localy);
-		double x0 (m_drawedVerts[0][localx]);
-		double y0 (m_drawedVerts[0][localy]);
-
-		Vertex templ;
-		templ.setCoordinate (localx, x0);
-		templ.setCoordinate (localy, y0);
-		templ.setCoordinate (localz, renderer()->getDepthValue());
-
-		// Calculate circle coords
-		MakeCircle (segments, divisions, dist0, c0);
-		MakeCircle (segments, divisions, dist1, c1);
-
-		for (int i = 0; i < segments; ++i)
-		{
-			Vertex v0, v1, v2, v3;
-			v0 = v1 = v2 = v3 = templ;
-			v0.setCoordinate (localx, v0[localx] + c0[i].x1());
-			v0.setCoordinate (localy, v0[localy] + c0[i].y1());
-			v1.setCoordinate (localx, v1[localx] + c0[i].x2());
-			v1.setCoordinate (localy, v1[localy] + c0[i].y2());
-			v2.setCoordinate (localx, v2[localx] + c1[i].x2());
-			v2.setCoordinate (localy, v2[localy] + c1[i].y2());
-			v3.setCoordinate (localx, v3[localx] + c1[i].x1());
-			v3.setCoordinate (localy, v3[localy] + c1[i].y1());
-
-			LDQuadPtr quad (LDSpawn<LDQuad> (v0, v1, v2, v3));
-			quad->setColor (MainColor());
-
-			// Ensure the quads always are BFC-front towards the camera
-			if (renderer()->camera() % 3 <= 0)
-				quad->invert();
-
-			objs << quad;
-		}
-	}
-
-	if (circleOrDisc and refFile != null)
-	{
-		LDSubfilePtr ref = LDSpawn<LDSubfile>();
-		ref->setFileInfo (refFile);
-		ref->setTransform (transform);
-		ref->setPosition (m_drawedVerts[0]);
-		ref->setColor (MainColor());
-		objs << ref;
-	}
-
-	unless (objs.isEmpty())
-	{
-		Axis relZ = renderer()->getRelativeZ();;
-		const int l (relZ == X ? 1 : 0);
-		const int m (relZ == Y ? 1 : 0);
-		const int n (relZ == Z ? 1 : 0);
-		RotateObjects (l, m, n, -m_angleOffset, objs);
-	}
-
-	finishDraw (objs);
-}
-
-double CircleMode::getAngleOffset() const
-{
-	if (m_drawedVerts.isEmpty())
-		return 0.0;
-
-	const int divisions (g_win->ringToolHiRes() ? HighResolution : LowResolution);
-	QPointF originspot (renderer()->coordconv3_2 (m_drawedVerts.first()));
-	QLineF bearing (originspot, renderer()->mousePositionF());
-	QLineF bearing2 (originspot, QPointF (originspot.x(), 0.0));
-	double angleoffset (-bearing.angleTo (bearing2) + 90);
-	angleoffset /= (360.0 / divisions); // convert angle to 0-16 scale
-	angleoffset = round (angleoffset); // round to nearest 16th
-	angleoffset *= ((2 * Pi) / divisions); // convert to radians
-	angleoffset *= renderer()->depthNegateFactor(); // negate based on camera
-	return angleoffset;
-}
-
-void CircleMode::render (QPainter& painter) const
-{
-	QFontMetrics metrics = QFontMetrics (QFont());
-
-	// If we have not specified the center point of the circle yet, preview it on the screen.
-	if (m_drawedVerts.isEmpty())
-	{
-		renderer()->drawBlip (painter, renderer()->coordconv3_2 (renderer()->position3D()));
-		return;
-	}
-
-	QVector<Vertex> innerverts, outerverts;
-	QVector<QPointF> innerverts2d, outerverts2d;
-	const double innerdistance (getCircleDrawDist (0));
-	const double outerdistance (m_drawedVerts.size() >= 2 ? getCircleDrawDist (1) : -1);
-	const int divisions (g_win->ringToolHiRes() ? HighResolution : LowResolution);
-	const int segments (g_win->ringToolSegments());
-	const double angleUnit (2 * Pi / divisions);
-	Axis relX, relY;
-	renderer()->getRelativeAxes (relX, relY);
-	const double angleoffset (m_drawedVerts.size() < 3 ? getAngleOffset() : m_angleOffset);
-
-	// Calculate the preview positions of vertices
-	for (int i = 0; i < segments + 1; ++i)
-	{
-		const double sinangle (sin (angleoffset + i * angleUnit));
-		const double cosangle (cos (angleoffset + i * angleUnit));
-		Vertex v (Origin);
-		v.setCoordinate (relX, m_drawedVerts[0][relX] + (cosangle * innerdistance));
-		v.setCoordinate (relY, m_drawedVerts[0][relY] + (sinangle * innerdistance));
-		innerverts << v;
-		innerverts2d << renderer()->coordconv3_2 (v);
-
-		if (outerdistance != -1)
-		{
-			v.setCoordinate (relX, m_drawedVerts[0][relX] + (cosangle * outerdistance));
-			v.setCoordinate (relY, m_drawedVerts[0][relY] + (sinangle * outerdistance));
-			outerverts << v;
-			outerverts2d << renderer()->coordconv3_2 (v);
-		}
-	}
-
-	QVector<QLineF> lines (segments);
-
-	if (outerdistance != -1 and outerdistance != innerdistance)
-	{
-		painter.setBrush (m_polybrush);
-		painter.setPen (Qt::NoPen);
-
-		// Compile polygons
-		for (int i = 0; i < segments; ++i)
-		{
-			QVector<QPointF> points;
-			points << innerverts2d[i]
-				<< innerverts2d[i + 1]
-				<< outerverts2d[i + 1]
-				<< outerverts2d[i];
-			painter.drawPolygon (QPolygonF (points));
-			lines << QLineF (innerverts2d[i], innerverts2d[i + 1]);
-			lines << QLineF (outerverts2d[i], outerverts2d[i + 1]);
-		}
-
-		// Add bordering edges for unclosed rings/discs
-		if (segments != divisions)
-		{
-			lines << QLineF (innerverts2d.first(), outerverts2d.first());
-			lines << QLineF (innerverts2d.last(), outerverts2d.last());
-		}
-	}
-	else
-	{
-		for (int i = 0; i < segments; ++i)
-			lines << QLineF (innerverts2d[i], innerverts2d[i + 1]);
-	}
-
-	// Draw a green blips at where the points are
-	for (QPointF const& point : innerverts2d + outerverts2d)
-		renderer()->drawBlip (painter, point);
-
-	// Draw edge lines
-	painter.setPen (renderer()->linePen());
-	painter.drawLines (lines);
-
-	// Draw the current radius in the middle of the circle.
-	QPoint origin = renderer()->coordconv3_2 (m_drawedVerts[0]);
-	QString label = QString::number (innerdistance);
-	painter.setPen (renderer()->textPen());
-	painter.drawText (origin.x() - (metrics.width (label) / 2), origin.y(), label);
-
-	if (m_drawedVerts.size() >= 2)
-	{
-		painter.drawText (origin.x() - (metrics.width (label) / 2),
-			origin.y() + metrics.height(), QString::number (outerdistance));
-	}
-}
-
-bool CircleMode::mouseReleased (MouseEventData const& data)
-{
-	if (Super::mouseReleased (data))
-		return true;
-
-	if (data.releasedButtons & Qt::LeftButton)
-	{
-		if (m_drawedVerts.size() < 3)
-			addDrawnVertex (renderer()->position3D());
-		else
-			buildCircle();
-
-		return true;
-	}
-
-	return false;
-}
-
-bool CircleMode::preAddVertex (const Vertex&)
-{
-	m_angleOffset = getAngleOffset();
-	return false;
-}

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