-/*----------------------------------------------------------------------*/
-/* Standard Graphics Package Header File */
-/*----------------------------------------------------------------------*/
+/*****************************************************************************
+** FILE IDENTIFICATION
+**
+** Name: sgp.h
+** Purpose: Header file for Simple Graphics Package
+** Author: Kevin Rosenberg
+** Date Started: 1984
+**
+** This is part of the CTSim program
+** Copyright (C) 1983-2000 Kevin Rosenberg
+**
+** $Id: sgp.h,v 1.17 2000/09/02 05:10:39 kevin Exp $
+**
+** This program is free software; you can redistribute it and/or modify
+** it under the terms of the GNU General Public License (version 2) as
+** published by the Free Software Foundation.
+**
+** 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 __H_SGP
#define __H_SGP
-#include "kstddef.h"
-
-/* Write modes for CPIX_?????() routines */
-
-#define CPIX_WRT 0
-#define CPIX_XOR 1
-#define CPIX_AND 2
-#define CPIX_OR 3
-
-/* device names */
-
-#define CRTDEV 1
-#define PRTDEV 2
-#define MEMDEV 4
-#define FILEDEV 8
-
-/* linestyles */
-
-#define LS_NOLINE 0
-#define LS_SOLID 0xffff
-#define LS_DASH1 0xff00
-#define LS_DASH2 0xf0f0
-#define LS_DASH3 0xcccc
-#define LS_DASH4 0xff3e
-#define LS_DOTTED 0xaaaa
-
-#define MAXDASH 4
-#define MAXCOLOR 63
-
-/* data structures */
-
-struct device_st {
- int open; /* TRUE if device is open for output */
- int xsize, ysize; /* Size of device in pixels */
- int xmin, ymin; /* smallest coordinates */
- int xmax, ymax; /* Maximum coordinates */
- int colormax; /* Maximum color number of device */
- int style; /* Current linestyle of device */
- int width; /* Current width of device */
- int color; /* Current color of device */
- int icurx, icury; /* Current position */
- int icwidth, icheight; /* Size of characters in pixels */
- int cfore, cback; /* Character foregnd & backgnd colors */
- float asp; /* Aspect ratio. Multipy x coord */
- int (*dotfunc)(int x1, int y1, int color); /* Dot function for device */
- int (*linefunc)(int x1, int y1, int x2, int y2, int color); /* Line function for device */
- unsigned int nbytes; /* Size of buffer in bytes */
- char *buf; /* Pointer to buffer */
- unsigned int bufseg, bufoff; /* Buffer memory location */
- int mode; /* Device mode */
+#if HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "transformmatrix.h"
+
+#ifdef HAVE_WXWINDOWS
+#include <wx/wx.h>
+#endif
+
+#if HAVE_G2_H
+extern "C" {
+#include "g2.h"
+#include "g2_X11.h"
+}
+#endif
+
+#include <string>
+
+
+class SGPDriver {
+private:
+ int m_iPhysicalXSize;
+ int m_iPhysicalYSize;
+ string m_sWindowTitle;
+ int m_idDriver;
+
+#ifdef HAVE_WXWINDOWS
+ wxDC* m_pDC;
+#endif
+ int m_idG2;
+
+public:
+ enum {
+ SGPDRIVER_WXWINDOWS = 1,
+ SGPDRIVER_G2 = 2,
+ SGPDRIVER_OPENGL = 4,
+ };
+
+#ifdef HAVE_WXWINDOWS
+ SGPDriver (wxDC* pDC, int xsize = 640, int ysize = 480);
+#endif
+
+ SGPDriver (const char* szWinTitle = "", int xsize = 640, int ysize = 480);
+
+ ~SGPDriver ();
+
+ int getPhysicalXSize () const
+ { return m_iPhysicalXSize; }
+
+ int getPhysicalYSize () const
+ { return m_iPhysicalYSize; }
+
+ const string& getWindowTitle () const
+ { return m_sWindowTitle; }
+
+ bool isWX () const
+ { return (m_idDriver & SGPDRIVER_WXWINDOWS); }
+
+ bool isG2 () const
+ { return (m_idDriver & SGPDRIVER_G2); }
+
+ int idG2 () const
+ { return m_idG2; }
+
+#ifdef HAVE_WXWINDOWS
+ wxDC* idWX () const
+ { return m_pDC; }
+
+ void setDC (wxDC* dc)
+ { m_pDC = dc; }
+#endif
};
-struct charsp_st {
- float width, height; /* size of characters in NDC */
- float textangle; /* text angle in radians */
- float charupangle; /* character up angle */
- int font; /* font for characters */
- int updir, textdir; /* text direct & character orientation */
- int fore, back; /* foreground & background color */
- /* if back = -1, then transparent back */
+
+class RGBColor;
+class SGP {
+private:
+ int m_iPhysicalXSize; // Physical Window size
+ int m_iPhysicalYSize;
+ SGPDriver m_driver;
+
+ double xw_min; // Window extents
+ double yw_min;
+ double xw_max;
+ double yw_max;
+ double xv_min; // Viewport extents
+ double yv_min;
+ double xv_max;
+ double yv_max;
+ double viewNDC[4]; // Viewport array for clip_rect()
+
+ int m_iCurrentPhysicalX;
+ int m_iCurrentPhysicalY;
+ double m_dCurrentWorldX;
+ double m_dCurrentWorldY;
+ double m_dTextAngle;
+ bool m_bRecalcTransform;
+
+ // Master coordinates are coordinates before CTM transformation
+ // World coordinates are coordinates defined by setWindow()
+ // Normalized device coordinates range from 0. to 1. in both axes
+ TransformationMatrix2D wc_to_ndc; // World coord to NDC matrix
+ TransformationMatrix2D mc_to_ndc; // Master to NDC
+ TransformationMatrix2D ndc_to_mc; // NDC to Master
+ TransformationMatrix2D m_ctm; // Current transfromation matrix
+
+ void calc_transform ();
+
+ static RGBColor s_aRGBColor[];
+ static int s_iRGBColorCount;
+
+#if HAVE_WXWINDOWS
+ wxPen m_pen;
+#endif
+
+public:
+ enum { // linestyles
+ LS_NOLINE = 0,
+ LS_SOLID = 0xffff,
+ LS_DASH1 = 0xff00,
+ LS_DASH2 = 0xf0f0,
+ LS_DASH3 = 0xcccc,
+ LS_DASH4 = 0xff3e,
+ LS_DOTTED = 0xaaaa,
+ };
+
+ enum { // Codes for marker symbols
+ MARK_POINT = 0, // small dot
+ MARK_SQUARE = 1, // empty square
+ MARK_FSQUARE = 2, // filled square
+ MARK_DIAMOND = 3, // empty diamond
+ MARK_FDIAMOND = 4, // filled diamond
+ MARK_CROSS = 5, // cross
+ MARK_XCROSS = 6, // x
+ MARK_CIRCLE = 7, // open circle
+ MARK_FCIRCLE = 8, // filled circle
+ MARK_BSQUARE = 9, // big open square
+ MARK_BDIAMOND = 10, // big open diamond
+ };
+ static const int MARK_COUNT = 11;
+ static const unsigned char MARKER_BITMAP[MARK_COUNT][5];
+
+ SGP (const SGPDriver& driver);
+
+ void drawCircle (const double r);
+ void drawArc (const double r, double start, double stop);
+ void drawRect (double xmin, double ymin, double xmax, double ymax);
+ void lineAbs(double x, double y);
+ void moveAbs(double x, double y);
+ void lineRel(double x, double y);
+ void moveRel(double x, double y);
+ void drawText(const char *szMessage);
+ void drawText(const string& rsMessage);
+ void polylineAbs(double x[], double y[], int n);
+ void markerAbs (double x, double y);
+ void markerRel(double x, double y);
+ void pointAbs(double x, double y);
+ void pointRel(double x, double y);
+
+ void eraseWindow ();
+ void setWindow (double xmin, double ymin, double xmax, double ymax);
+ void setViewport (double xmin, double ymin, double xmax, double ymax);
+ void frameViewport();
+
+ void setColor (int icol);
+ void setLineStyle (int style);
+ void setTextSize (double height);
+ void setTextAngle (double angle);
+ void setTextColor (int iFGcolor, int iBGcolor);
+ void setPenWidth (int width);
+ void setMarker (int idMarker, int color);
+ void setRasterOp (int ro);
+
+ void getWindow (double& xmin, double& ymin, double& xmax, double& ymax);
+ void getViewport (double& xmin, double& ymin, double& xmax, double& ymax);
+ void getTextExtent (const char *szText, double* x, double* y);
+ double getCharHeight ();
+
+ void ctmClear ();
+ void ctmSet (const TransformationMatrix2D& m);
+ void preTranslate (double x, double y);
+ void postTranslate (double x, double y);
+ void preScale (double sx, double sy);
+ void postScale (double sx, double sy);
+ void preRotate (double theta);
+ void postRotate (double theta);
+ void preShear (double shrx, double shry);
+ void postShear (double shrx, double shry);
+ void transformNDCtoMC (double* x, double* y);
+ void transformMCtoNDC (double* x, double* y);
+ void transformMCtoNDC (double xIn, double yIn, double* xOut, double* yOut);
+
+ void stylusNDC (double x, double y, bool beam);
+ void pointNDC (double x, double y);
+ void markerNDC (double x, double y);
+
+#if HAVE_WXWINDOWS
+ void setDC (wxDC* pDC);
+#endif
};
-struct state_st {
- int foregnd, backgnd; /* current foregound & background colors */
- int linestyle; /* current 16 bit linestyle */
- int linewidth; /* current width of line (in pixels) */
- int marktype; /* current marker type */
- int markcolor; /* current marker color */
- float xndc, yndc; /* current position in NDC */
+
+enum {
+ C_BLACK = 0, // color codes
+ C_BLUE = 1,
+ C_GREEN = 2,
+ C_CYAN = 3,
+ C_RED = 4,
+ C_MAGENTA = 5,
+ C_BROWN = 6,
+ C_GRAY = 7,
+ C_LTGRAY = 8,
+ C_LTBLUE = 9,
+ C_LTGREEN = 10,
+ C_LTCYAN = 11,
+ C_LTRED = 12,
+ C_LTMAGENTA = 13,
+ C_YELLOW = 14,
+ C_WHITE = 15,
};
-typedef struct device_st DEVICE;
-typedef struct charsp_st CHARSPEC;
-typedef struct state_st GRFSTATE;
-
-struct point {double x, y, z;};
-
-
-/******************************************************************
- * *
- * GRAPH.H *
- * *
- * Max R. Dursteler Dec 1983 *
- * 12405 Village Square Terrace *
- * Rockville Md. 20852 *
- ******************************************************************
- */
-
-/* Constants */
-
-/* Flagcodes for motion directions */
-#define XPLUS 001 /* right */
-#define XMINUS 002 /* left */
-#define YPLUS 004 /* up */
-#define YMINUS 010 /* down */
-
-/* Codes for marker symbols */
-#define POINT 0 /* small dot */
-#define SQUARE 1 /* empty square */
-#define FSQUARE 2 /* filled square */
-#define DIAMOND 3 /* empty diamond */
-#define FDIAMOND 4 /* filled diamond */
-#define CROSS 5 /* cross */
-#define XCROSS 6 /* x */
-#define CERCLE 7 /* open circle */
-#define FCERCLE 8 /* filled circle */
-#define BSQUARE 9 /* big open square */
-#define BDIAMOND 10 /* big open diamond */
-
-#define NMARKERS 11 /* Number of available symbol types */
-
-/*-------------------------------------------------------------------------*/
-
-#define PSET 0 /* codes for raster merging */
-#define PRESET 1
-#define OR 2
-#define AND 3
-#define XOR 4
-
-/*-------------------------------------------------------------------------*/
-
-#define X_STKMIN 10 /* joystick specific values */
-#define X_STKMAX 313
-#define Y_STKMIN 10
-#define Y_STKMAX 313
-
-#define X_LOCMAX (X_STKMAX - X_STKMIN); /* range from readloc() */
-#define Y_LOCMAX (Y_STKMAX - Y_STKMIN); /* = 0 to LOCMAX */
-
-#define JOYSTK1 0 /* device names */
-#define JOYSTK2 1
-
-#define BUTT_DONE 2 /* Right joystick button to end a command */
-#define BUTT_START 1 /* Left joystick button to start a command */
-#define BUTT_BOTH 3 /* Both buttons pressed */
-
-#define RL_ERROR -1 /* readloc() return codes */
-#define RL_OFF 0
-#define RL_ON 1
-
-/*-------------------------------------------------------------------------*/
-
-struct raster_st {
- int type;
- int xmin, ymin;
- int xmax, ymax;
+enum RasterOp {
+ RO_AND = 1,
+ RO_AND_INVERT,
+ RO_AND_REVERSE,
+ RO_CLEAR,
+ RO_COPY,
+ RO_EQUIV,
+ RO_INVERT,
+ RO_NAND,
+ RO_NOR,
+ RO_NO_OP,
+ RO_OR,
+ RO_OR_INVERT,
+ RO_OR_REVERSE,
+ RO_SET,
+ RO_SRC_INVERT,
+ RO_XOR,
};
-typedef struct raster_st RASTER;
-
-/*-------------------------------------------------------------------------*/
-
-typedef double GRFMTX_2D[3][3];
-typedef double GRFMTX_3D[4][4];
-
-
-/* circle.c */
-void circle(const double r);
-void drawarc(double start, double stop, const double r);
-/* cliprect.c */
-int cliprect(double *x1, double *y1, double *x2, double *y2, const double rect[4]);
-/* crt_line.c */
-void crt_line(int x1, int y1, int x2, int y2, int color);
-int prtline(int func, int x1, int y1, int x2, int y2, int arg1, int arg2);
-void crt_line_style(int style);
-/* crt_wdot.c */
-void crt_wdot(int x, int y, int c);
-void ega_wdot(int x, int y, int c);
-void prtdot(int x, int y, int c);
-void prtndc(void);
-void cpix_set(int x, int y, int c);
-void cpix_init(void);
-void cpix_set_wrt_mode(int mode);
-void cpix_calc_addr(void);
-void cpix_set_addr(int addr);
-void cpix_inc_col(void);
-int cpix_get_addr(void);
-void cpix_term(void);
-void cpix_setcolor(int c);
-void cpix_set_at_addr(int addr, int c);
-void cpix_inc_row(void);
-void cpix_set_color(int c);
-/* ctm.c */
-int ctm_xlat_pre_2(double x, double y);
-int ctm_xlat_post_2(double x, double y);
-int ctm_scale_pre_2(double sx, double sy);
-int ctm_scale_post_2(double sx, double sy);
-int ctm_rotate_pre_2(double theta);
-int ctm_rotate_post_2(double theta);
-int ctm_shear_pre_2(double shrx, double shry);
-int ctm_shear_post_2(double shrx, double shry);
-int xlat_gmtx_2(GRFMTX_2D m, double x, double y);
-int scale_gmtx_2(GRFMTX_2D m, double sx, double sy);
-int shear_gmtx_2(GRFMTX_2D m, double shrx, double shry);
-int rotate_gmtx_2(GRFMTX_2D m, double theta);
-int ident_gmtx_2(GRFMTX_2D m);
-int mult_gmtx_2(GRFMTX_2D a, GRFMTX_2D b, GRFMTX_2D c);
-int invert_gmtx_2(GRFMTX_2D a, GRFMTX_2D b);
-double determ_gmtx_2(GRFMTX_2D a);
-/* drawbox.c */
-int drawbox(double xmin, double ymin, double xmax, double ymax);
-/* gp.c */
-int gptrace(int state);
-int viewprt3(double xmin, double ymin, double zmin, double xmax, double ymax, double zmax);
-int window3(double xmin, double ymin, double xmax, double ymax);
-int setproj(int pr, double x, double y, double z);
-int setvrp(double x, double y, double z);
-int setvpn(double x, double y, double z);
-int setvup(double x, double y, double z);
-int viewdepth(double front, double back);
-int gpfrontclip(int on_off);
-int gpbackclip(int on_off);
-int calcnper(void);
-int calcnpar(void);
-int calcrot(double rot[5][5]);
-int calcpertrans(void);
-int calcpartrans(void);
-int matident(double mtx[5][5]);
-int matmult(double premtx[5][5], double postmtx[5][5], double result[5][5]);
-int crossprod(struct point *v, struct point *w, struct point *result);
-int transform(double mtx[5][5], double *x, double *y, double *z);
-int homotrans(double mtx[5][5], double *x, double *y, double *z, double *w);
-int moveabs3(double x, double y, double z);
-int moverel3(double xr, double yr, double zr);
-int lineabs3(double x, double y, double z);
-int linerel3(double xr, double yr, double zr);
-int drawline(double xinput, double yinput, double zinput);
-int mastertondc(double *x, double *y, double *z);
-int checkchange(void);
-int initgrf3(void);
-int termgrf3(void);
-int matwrite(double mtx[5][5]);
-int pyr_edge(double x, double y, double z, int *pos);
-int clippyramid(double *x1, double *y1, double *z1, double *x2, double *y2, double *z2, int *accept);
-int cube_edge(double x, double y, double z, int *pos);
-int clipcube(double *x1, double *y1, double *z1, double *x2, double *y2, double *z2, int *accept);
-/* pickbox.c */
-int pickbox(int dev, int *xmin, int *ymin, int *xmax, int *ymax, int xtab[], int ytab[]);
-/* pickloc.c */
-int pickloc(int dev, int *xloc, int *yloc, int xtab[], int ytab[]);
-/* pixblock.c */
-int readblock(char array[], int x1, int y1, int x2, int y2);
-int writeblock(char array[], int x1, int y1, int mode);
-char *allocblock(int x1, int y1, int x2, int y2);
-/* readloc.c */
-int readloc(int dev, int *x, int *y);
-int loc_to_ndc(int xloc, int yloc, float *xndc, float *yndc);
-int readbutt(int dev);
-/* sgp.c */
-int gp_init_2(void);
-int window2(double xmin, double ymin, double xmax, double ymax);
-int window_2(double xmin, double ymin, double xmax, double ymax);
-int viewprt2(double xmin, double ymin, double xmax, double ymax);
-int viewport_2(double xmin, double ymin, double xmax, double ymax);
-int framevpt(void);
-int calc_wc_to_ndc(void);
-int calc_ndc_to_mc(void);
-int wc_to_ndc(double xw, double yw, double *xn, double *yn);
-int ndc_to_wc(double xn, double yn, double *xw, double *yw);
-int color(int icol);
-int linestyle(int style);
-int line_abs_2(double x, double y);
-int lineabs2(double x, double y);
-int move_abs_2(double x, double y);
-int moveabs2(double x, double y);
-int line_rel_2(double x, double y);
-int linerel2(double x, double y);
-int move_rel_2(double x, double y);
-int moverel2(double x, double y);
-int draw_text(char *message);
-int drawtext(char *message);
-int polylnabs2(double x[], double y[], int n);
-int markabs2(double x, double y);
-int markrel2(double x, double y);
-int pntabs2(double x, double y);
-int pntrel2(double x, double y);
-int ctm_clr_2(void);
-int ctm_get_2(GRFMTX_2D m);
-int ctm_set_2(GRFMTX_2D m);
-int ctm_pre_mult_2(GRFMTX_2D m);
-int ctm_post_mult_2(GRFMTX_2D m);
-/* sgpdrive.c */
-int initgrf2(void);
-int initdevice(int dev, int mode, int xsize, int ysize);
-int opendevice(int dev);
-int closedevice(int dev);
-int termdevice(int dev);
-void stylus(double x, double y, int beam);
-int pntndc(double x, double y);
-int markndc(double x, double y);
-GRFSTATE *inqstate(void);
-int gp_set_aspect(int dev, double asp);
-void setlinestyle(int style);
-int setlinewidth(int wid);
-DEVICE *inqdev(int dev);
-int settext(double width, double height, double textangle, int font);
-int settextclr(int fore, int back);
-int setcolor(int fore);
-int setbackg(int back);
-int initmarker(int marker, int color);
-int settextdir(int direction);
-int charsize(double wid, double height);
-int textangle(double angle);
-int drivtext(char *message);
-int termgrf2(void);
-int flushdevice(int dev);
-/* sgptext.c */
-int wrtsymbol(int sym, int x, int y, DEVICE *dev);
-int wrtchar(int ch, int x, int y, CHARSPEC *cspec, DEVICE *dev);
-int wrttext(char txtstr[], int x, int y, CHARSPEC *cspec, DEVICE *dev);
-void crtcolor(int mode, int *f, int *b);
-/* trackloc.c */
-int trackloc(int dev, int *xloc, int *yloc, int (*loc_on)(int x, int y), int (*loc_off)(int x, int y));
+
+class RGBColor {
+ private:
+ short int r;
+ short int g;
+ short int b;
+
+ public:
+ RGBColor (int r, int g, int b)
+ : r(r), g(g), b(b)
+ {}
+
+ int getRed () const
+ { return r; }
+
+ int getGreen () const
+ { return g; }
+
+ int getBlue () const
+ { return b; }
+
+};
#endif
projects / ctsim.git / blobdiff