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/*
* Copyright (c) 2002-2006 Samit Basu
*
* 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 2 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, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __QTRenderEngine_hpp__
#define __QTRenderEngine_hpp__
#include "RenderEngine.hpp"
#include <qpainter.h>
#include <QPointF>
typedef struct {
double x;
double y;
double z;
} qpt3d;
typedef struct {
qpt3d pts[4];
double meanz;
double r;
double g;
double b;
double a;
double er;
double eg;
double eb;
double ea;
} quad3d;
class QTRenderEngine : public RenderEngine {
double model[16];
double proj[16];
int viewp[4];
double save_model[16];
double save_proj[16];
int save_viewp[4];
double m_x1, m_y1, m_width, m_height;
QPainter *pnt;
QPointF Map(double x, double y, double z);
QVector<QPointF> Map(QVector<double> xs, QVector<double> ys, QVector<double> zs);
QVector<quad3d> MapQuads(QVector<QVector<cpoint> > &faces,
QVector<QVector<cpoint> > &edges);
QVector<quad3d> MapQuadsFacesOnly(QVector<QVector<cpoint> > &faces);
QVector<quad3d> MapQuadsEdgesOnly(QVector<QVector<cpoint> > &edges);
bool inDirect;
bool debugFlag;
public:
void debug();
QTRenderEngine(QPainter *painter, double x1, double y1,
double width, double height);
~QTRenderEngine();
virtual double width() {return m_width;}
virtual double height() {return m_height;}
virtual void clear(QVector<double>);
virtual void toPixels(double x, double y, double z, int &a, int &b);
virtual void toPixels(double x, double y, double z, double &a, double &b);
virtual void toPixels(double x, double y, double z, double &a, double &b, bool &clipped);
virtual void toPixels(double x, double y, double z, double &a, double &b, double &c, bool &clipped);
virtual void lookAt(double px, double py, double pz,
double tx, double ty, double tz,
double ux, double uy, double uz);
virtual void scale(double sx, double sy, double sz);
virtual void mapPoint(double x, double y, double z,
double &a, double &b, double &c);
virtual void project(double xmin, double xmax, double ymin, double ymax,
double zmin, double zmax);
virtual void viewport(double x0, double y0, double width, double height);
virtual void quad(double x1, double y1, double z1,
double x2, double y2, double z2,
double x3, double y3, double z3,
double x4, double y4, double z4);
virtual void quadline(double x1, double y1, double z1,
double x2, double y2, double z2,
double x3, double y3, double z3,
double x4, double y4, double z4);
virtual void tri(double x1, double y1, double z1,
double x2, double y2, double z2,
double x3, double y3, double z3);
virtual void triLine(double x1, double y1, double z1,
double x2, double y2, double z2,
double x3, double y3, double z3);
virtual void color(QVector<double>);
virtual void setLineStyle(QString style);
virtual void lineWidth(double n);
virtual void line(double x1, double y1, double z1,
double x2, double y2, double z2);
virtual void line(double x1, double y1,
double x2, double y2);
virtual void lineSeries(QVector<double> xs,
QVector<double> ys,
QVector<double> zs);
virtual void setupDirectDraw();
virtual void releaseDirectDraw();
virtual void getModelviewMatrix(double amodel[16]);
virtual void getProjectionMatrix(double aproj[16]);
virtual void getViewport(int aviewp[4]);
virtual void putText(double x, double y, QString txt,
QVector<double> color,
AlignmentFlag xflag, AlignmentFlag yflag,
QFont fnt, double rotation);
virtual void measureText(QString txt, QFont fnt, AlignmentFlag xflag,
AlignmentFlag yflag,int &width, int &height,
int &xoffset, int &yoffset);
virtual void depth(bool);
virtual void rect(double x1, double y1, double x2, double y2);
virtual void rectFill(double x1, double y1, double x2, double y2);
virtual void circle(double x1, double y1, double radius);
virtual void circleFill(double x1, double y1, double radius);
virtual void drawImage(double x1, double y1, double x2, double y2,
QImage pic);
virtual void drawImage(HPTwoVector* xp, HPTwoVector* yp,
HPTwoVector* xlim, HPTwoVector* ylim,
bool xflip, bool yflip, QImage pic);
virtual void quadStrips(QVector<QVector<cpoint> > faces, bool flatfaces,
QVector<QVector<cpoint> > edges, bool flatedges);
QPainterPath quadToPoly(double x1, double y1, double z1,
double x2, double y2, double z2,
double x3, double y3, double z3,
double x4, double y4, double z4);
virtual void setClipBox(QVector<double> limits);
virtual void drawPatch(const FaceList& faces);
};
#endif
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