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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 __RenderEngine_hpp__
#define __RenderEngine_hpp__
#include <vector>
#include <string>
#include <qfont.h>
#include <QPainterPath>
#include "HandleProperty.hpp"
namespace ColorMode { enum ColorMode { ColorSpec, None, Flat, Interp }; };
namespace AlphaMode { enum AlphaMode { Scalar, Flat, Interp }; };
namespace EraseMode { enum EraseMode { Normal, None, Xor, Background }; };
namespace LightningMode{ enum LightingMode { None, Flat, Gouraud, Phong }; };
class ColorData{
public:
double r;
double g;
double b;
double a;
ColorData() {};
ColorData( double red, double green, double blue, double alpha ) : r(red), g(green), b(blue), a(alpha) {};
};
class point{
public:
double x;
double y;
double z;
point() {};
point( double x_, double y_, double z_ ) : x(x_), y(y_), z(z_) {};
};
class Face{
public:
QVector<point> vertices;
QVector<ColorData> edgecolors;
QVector<ColorData> vertexcolors;
ColorData FaceColor;
ColorData EdgeColor;
enum ColorMode::ColorMode FaceColorMode;
enum ColorMode::ColorMode EdgeColorMode;
};
typedef QList<Face> FaceList;
class cpoint {
public:
double x;
double y;
double z;
double r;
double g;
double b;
double a;
cpoint() {};
cpoint(double ax, double ay, double az, double ar, double ag, double ab, double aa)
: x(ax), y(ay), z(az), r(ar), g(ag), b(ab), a(aa) {};
};
class RenderEngine {
public:
virtual void debug() = 0;
enum AlignmentFlag {Min, Mean, Max};
enum SymbolType {Plus,Circle,Star,Dot,Times,Square,Diamond,Up,Down,Right,Left,Pentagram,Hexagram,None};
RenderEngine() {};
virtual ~RenderEngine() {};
virtual void clear(QVector<double>) = 0;
virtual double width() = 0;
virtual double height() = 0;
virtual void toPixels(double x, double y, double z, int &a, int &b) = 0;
virtual void toPixels(double x, double y, double z, double &a, double &b) = 0;
virtual void toPixels(double x, double y, double z, double &a, double &b, bool &clipped) = 0;
virtual void lookAt(double px, double py, double pz,
double tx, double ty, double tz,
double ux, double uy, double uz) = 0;
virtual void scale(double sx, double sy, double sz) = 0;
virtual void mapPoint(double x, double y, double z,
double &a, double &b, double &c) = 0;
virtual void project(double xmin, double xmax, double ymin, double ymax,
double zmin, double zmax) = 0;
virtual void viewport(double x0, double y0, double width, double height) = 0;
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) = 0;
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) = 0;
virtual void tri(double x1, double y1, double z1,
double x2, double y2, double z2,
double x3, double y3, double z3) = 0;
virtual void triLine(double x1, double y1, double z1,
double x2, double y2, double z2,
double x3, double y3, double z3) = 0;
virtual void color(QVector<double>) = 0;
virtual void setLineStyle(QString style) = 0;
void color(double r, double g, double b) {QVector<double> t; t.push_back(r); t.push_back(g); t.push_back(b); color(t);}
virtual void lineWidth(double n) = 0;
virtual void line(double x1, double y1, double z1,
double x2, double y2, double z2) = 0;
virtual void line(double x1, double y1,
double x2, double y2) = 0;
virtual void lineSeries(QVector<double> xs,
QVector<double> ys,
QVector<double> zs) = 0;
virtual void setupDirectDraw() = 0;
virtual void releaseDirectDraw() = 0;
virtual void getViewport(int viewp[4]) = 0;
virtual void getProjectionMatrix(double proj[16]) = 0;
virtual void getModelviewMatrix(double model[16]) = 0;
virtual void putText(double x, double y, QString txt,
QVector<double> color,
AlignmentFlag xflag, AlignmentFlag yflag,
QFont fnt, double rotation) = 0;
virtual void measureText(QString txt, QFont fnt, AlignmentFlag xflag,
AlignmentFlag yflag,int &width, int &height,
int &xoffset, int &yoffset) = 0;
virtual void depth(bool) = 0;
virtual void rect(double x1, double y1, double x2, double y2) = 0;
virtual void rectFill(double x1, double y1, double x2, double y2) = 0;
virtual void circle(double x1, double y1, double radius) = 0;
virtual void circleFill(double x1, double y1, double radius) = 0;
virtual void drawImage(double x1, double y1, double x2, double y2,
QImage pic) = 0;
virtual void drawImage(HPTwoVector* xp, HPTwoVector* yp,
HPTwoVector* xlim, HPTwoVector* ylim,
bool xflip, bool yflip, QImage pic) = 0;
virtual void quadStrips(QVector<QVector<cpoint> > faces, bool flatfaces,
QVector<QVector<cpoint> > edges, bool flatedges) = 0;
virtual void setClipBox(QVector<double> limits) {};
virtual void drawPatch(const FaceList& faces) = 0;
};
void DrawSymbol(RenderEngine& gc, RenderEngine::SymbolType symb,
double x, double y, double z, double sze,
QVector<double> edgecolor,
QVector<double> fillcolor,
double width);
RenderEngine::SymbolType StringToSymbol(QString);
#endif
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