src/basics.cc

changeset 931
85080f7a1c20
parent 929
66e8453e1768
child 932
738673e8a6b4
--- a/src/basics.cc	Sat Feb 21 20:23:34 2015 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,336 +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 <QObject>
-#include <QStringList>
-#include <QTextStream>
-#include <QFile>
-#include <assert.h>
-#include "main.h"
-#include "basics.h"
-#include "miscallenous.h"
-#include "ldObject.h"
-#include "ldDocument.h"
-
-Vertex::Vertex() :
-	QVector3D() {}
-
-Vertex::Vertex (const QVector3D& a) :
-	QVector3D (a) {}
-
-Vertex::Vertex (qreal xpos, qreal ypos, qreal zpos) :
-	QVector3D(xpos, ypos, zpos) {}
-
-
-void Vertex::transform (const Matrix& matr, const Vertex& pos)
-{
-	double x2 = (matr[0] * x()) + (matr[1] * y()) + (matr[2] * z()) + pos.x();
-	double y2 = (matr[3] * x()) + (matr[4] * y()) + (matr[5] * z()) + pos.y();
-	double z2 = (matr[6] * x()) + (matr[7] * y()) + (matr[8] * z()) + pos.z();
-	setX (x2);
-	setY (y2);
-	setZ (z2);
-}
-
-void Vertex::apply (ApplyFunction func)
-{
-	double newX = x(), newY = y(), newZ = z();
-	func (X, newX);
-	func (Y, newY);
-	func (Z, newZ);
-	*this = Vertex (newX, newY, newZ);
-}
-
-void Vertex::apply (ApplyConstFunction func) const
-{
-	func (X, x());
-	func (Y, y());
-	func (Z, z());
-}
-
-double Vertex::operator[] (Axis ax) const
-{
-	switch (ax)
-	{
-		case X: return x();
-		case Y: return y();
-		case Z: return z();
-	}
-
-	assert (false);
-	return 0.0;
-}
-
-void Vertex::setCoordinate (Axis ax, qreal value)
-{
-	switch (ax)
-	{
-		case X: setX (value); break;
-		case Y: setY (value); break;
-		case Z: setZ (value); break;
-	}
-}
-
-QString Vertex::toString (bool mangled) const
-{
-	if (mangled)
-		return format ("(%1, %2, %3)", x(), y(), z());
-
-	return format ("%1 %2 %3", x(), y(), z());
-}
-
-bool Vertex::operator< (const Vertex& other) const
-{
-	if (x() != other.x()) return x() < other.x();
-	if (y() != other.y()) return y() < other.y();
-	if (z() != other.z()) return z() < other.z();
-	return false;
-}
-
-// =============================================================================
-//
-Matrix::Matrix (double vals[])
-{
-	for (int i = 0; i < 9; ++i)
-		m_vals[i] = vals[i];
-}
-
-// =============================================================================
-//
-Matrix::Matrix (double fillval)
-{
-	for (int i = 0; i < 9; ++i)
-		m_vals[i] = fillval;
-}
-
-// =============================================================================
-//
-Matrix::Matrix (const std::initializer_list<double>& vals)
-{
-	assert (vals.size() == 9);
-	memcpy (&m_vals[0], vals.begin(), sizeof m_vals);
-}
-
-// =============================================================================
-//
-void Matrix::dump() const
-{
-	for (int i = 0; i < 3; ++i)
-	{
-		for (int j = 0; j < 3; ++j)
-			print ("%1\t", m_vals[i * 3 + j]);
-
-		print ("\n");
-	}
-}
-
-// =============================================================================
-//
-QString Matrix::toString() const
-{
-	QString val;
-
-	for (int i = 0; i < 9; ++i)
-	{
-		if (i > 0)
-			val += ' ';
-
-		val += QString::number (m_vals[i]);
-	}
-
-	return val;
-}
-
-// =============================================================================
-//
-void Matrix::zero()
-{
-	memset (&m_vals[0], 0, sizeof m_vals);
-}
-
-// =============================================================================
-//
-Matrix Matrix::mult (const Matrix& other) const
-{
-	Matrix val;
-	val.zero();
-
-	for (int i = 0; i < 3; ++i)
-	for (int j = 0; j < 3; ++j)
-	for (int k = 0; k < 3; ++k)
-		val[(i * 3) + j] += m_vals[(i * 3) + k] * other[(k * 3) + j];
-
-	return val;
-}
-
-// =============================================================================
-//
-Matrix& Matrix::operator= (const Matrix& other)
-{
-	memcpy (&m_vals[0], &other.m_vals[0], sizeof m_vals);
-	return *this;
-}
-
-// =============================================================================
-//
-double Matrix::getDeterminant() const
-{
-	return (value (0) * value (4) * value (8)) +
-		   (value (1) * value (5) * value (6)) +
-		   (value (2) * value (3) * value (7)) -
-		   (value (2) * value (4) * value (6)) -
-		   (value (1) * value (3) * value (8)) -
-		   (value (0) * value (5) * value (7));
-}
-
-// =============================================================================
-//
-bool Matrix::operator== (const Matrix& other) const
-{
-	for (int i = 0; i < 9; ++i)
-	{
-		if (value (i) != other[i])
-			return false;
-	}
-
-	return true;
-}
-
-// =============================================================================
-//
-LDBoundingBox::LDBoundingBox()
-{
-	reset();
-}
-
-// =============================================================================
-//
-void LDBoundingBox::calculateFromCurrentDocument()
-{
-	reset();
-
-	if (CurrentDocument() == null)
-		return;
-
-	for (LDObjectPtr obj : CurrentDocument()->objects())
-		calcObject (obj);
-}
-
-// =============================================================================
-//
-void LDBoundingBox::calcObject (LDObjectPtr obj)
-{
-	switch (obj->type())
-	{
-		case OBJ_Line:
-		case OBJ_Triangle:
-		case OBJ_Quad:
-		case OBJ_CondLine:
-		{
-			for (int i = 0; i < obj->numVertices(); ++i)
-				calcVertex (obj->vertex (i));
-		} break;
-
-		case OBJ_Subfile:
-		{
-			LDSubfilePtr ref = obj.staticCast<LDSubfile>();
-			LDObjectList objs = ref->inlineContents (true, false);
-
-			for (LDObjectPtr obj : objs)
-			{
-				calcObject (obj);
-				obj->destroy();
-			}
-		}
-		break;
-
-		default:
-			break;
-	}
-}
-
-// =============================================================================
-//
-LDBoundingBox& LDBoundingBox::operator<< (const Vertex& v)
-{
-	calcVertex (v);
-	return *this;
-}
-
-// =============================================================================
-//
-LDBoundingBox& LDBoundingBox::operator<< (LDObjectPtr obj)
-{
-	calcObject (obj);
-	return *this;
-}
-
-// =============================================================================
-//
-void LDBoundingBox::calcVertex (const Vertex& vertex)
-{
-	m_vertex0.setX (Min (vertex.x(), m_vertex0.x()));
-	m_vertex0.setY (Min (vertex.y(), m_vertex0.y()));
-	m_vertex0.setZ (Min (vertex.z(), m_vertex0.z()));
-	m_vertex1.setX (Max (vertex.x(), m_vertex1.x()));
-	m_vertex1.setY (Max (vertex.y(), m_vertex1.y()));
-	m_vertex1.setZ (Max (vertex.z(), m_vertex1.z()));
-	setEmpty (false);
-}
-
-// =============================================================================
-//
-void LDBoundingBox::reset()
-{
-	m_vertex0 = Vertex (10000.0, 10000.0, 10000.0);
-	m_vertex1 = Vertex (-10000.0, -10000.0, -10000.0);
-	setEmpty (true);
-}
-
-// =============================================================================
-//
-double LDBoundingBox::longestMeasurement() const
-{
-	double xscale = (m_vertex0.x() - m_vertex1.x());
-	double yscale = (m_vertex0.y() - m_vertex1.y());
-	double zscale = (m_vertex0.z() - m_vertex1.z());
-	double size = zscale;
-
-	if (xscale > yscale)
-	{
-		if (xscale > zscale)
-			size = xscale;
-	}
-	elif (yscale > zscale)
-		size = yscale;
-
-	if (Abs (size) >= 2.0)
-		return Abs (size / 2);
-
-	return 1.0;
-}
-
-// =============================================================================
-//
-Vertex LDBoundingBox::center() const
-{
-	return Vertex (
-		(m_vertex0.x() + m_vertex1.x()) / 2,
-		(m_vertex0.y() + m_vertex1.y()) / 2,
-		(m_vertex0.z() + m_vertex1.z()) / 2);
-}

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