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/* Tao - A software package for sound synthesis with physical models
* Copyright (C) 1993-1999 Mark Pearson
*
* 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 TAOGRAPHICSENGINE_H
#define TAOGRAPHICSENGINE_H
#ifndef HAVE_OSX
#include <GL/glut.h>
#else
#include <GLUT/glut.h>
#endif
#ifdef WIN32
#include <strstrea.h>
#else
#include <sstream>
#endif
#include <iomanip>
#ifdef WIN32
#define DLLEXPORT __declspec(dllexport)
#else
#define DLLEXPORT
#endif
class Tao;
class TaoInstrument;
class TaoAccessPoint;
class TaoBow;
class TaoHammer;
class TaoConnector;
class TaoStop;
class TaoOutput;
// The following functions are registered as OpenGL callback functions
void tao_mouse(int button, int state, int x, int y);
void tao_keyboard(unsigned int key, int x, int y);
void tao_motion(int x, int y);
void tao_display();
void tao_reshape(int w, int h);
class DLLEXPORT TaoGraphicsEngine
{
friend class Tao;
friend class TaoInstrument;
friend class TaoAccessPoint;
friend class TaoBow;
friend class TaoHammer;
friend class TaoConnector;
friend class TaoStop;
friend class TaoOutput;
friend void tao_visibility(int state);
friend void tao_mouse(int button, int state, int x, int y);
friend void tao_motion(int x, int y);
friend void tao_display();
friend void tao_reshape(int w, int h);
friend void tao_keyboard(unsigned char key, int x, int y);
friend void tao_special(int key, int x, int y);
public:
TaoGraphicsEngine();
void activate();
void deactivate();
void init(int argc, char *argv[]);
void reshape(int w, int h);
void mouse(int button, int state, int x, int y);
void motion(int x, int y);
void setInstrDisplayResolution();
void calculateOriginForRotations();
void clearBackBuffer();
void pushModelViewMatrix();
void popModelViewMatrix();
void rotateAndTranslate();
void display();
void flushGraphics();
void swapBuffers();
void mainLoop();
void setDrawColour(int colour);
void setClearColour(int colour);
void displayCharString(GLfloat x, GLfloat y, GLfloat z, char *string);
void displayCharString(GLfloat x, GLfloat y, GLfloat z, char *string,
GLfloat r, GLfloat g, GLfloat b);
void displayPoint(GLfloat x, GLfloat y, int colour);
void displayInstruments();
void displayDevices();
void displayInstrument(TaoInstrument &instr);
float screenX(TaoInstrument &instr, float x, float y);
float screenY(TaoInstrument &instr, float x, float y);
float screenY(TaoInstrument &instr, float x, float y, float z);
void displayPointInInstrumentSpace(TaoInstrument &instr, float instrx,
float instry, float instrz);
void label(TaoInstrument &instr, float x, float y,
GLfloat labelXOffset, GLfloat labelYOffset,
char *caption, GLfloat r, GLfloat g, GLfloat b);
void label(TaoInstrument &instr, float x,
GLfloat labelXOffset, GLfloat yOffset, char *caption,
GLfloat r, GLfloat g, GLfloat b);
void label(TaoInstrument &instr, float x, float y, float z,
GLfloat labelXOffset, GLfloat labelYOffset, char *caption,
GLfloat r, GLfloat g, GLfloat b);
void displayAccessPoint(TaoInstrument &instr, int i, int j);
void displayAccessPoint(TaoAccessPoint &p);
private:
int active;
int winId;
int viewportWidth, viewportHeight;
GLfloat xOffset, yOffset, zOffset, xAngle, yAngle, zAngle;
int jstep;
int refreshRate;
int refreshRateToRestore;
float globalMagnification;
std::ostringstream timestream; // used to create a string of characters
// representing the elapsed time.
enum {TAO_PERSPECTIVE, TAO_ORTHO, TAO_ANTIALIAS, TAO_JAGGED};
int projectionMode;
int displayInstrumentNames, displayDeviceNames;
int lineMode;
int lastMouseX, lastMouseY, zoomInitialMouseY;
int drag;
int dolly;
int rotate;
GLfloat minWorldX, maxWorldX, minWorldY, maxWorldY;
GLfloat translateX, translateY, translateZ, scaleBy;
};
#endif
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