1 /*****************************************************************************
5 ** Purpose: Header file for Simple Graphics Package
6 ** Author: Kevin Rosenberg
9 ** This is part of the CTSim program
10 ** Copyright (C) 1983-2000 Kevin Rosenberg
12 ** $Id: sgp.h,v 1.22 2000/12/16 06:12:47 kevin Exp $
14 ** This program is free software; you can redistribute it and/or modify
15 ** it under the terms of the GNU General Public License (version 2) as
16 ** published by the Free Software Foundation.
18 ** This program is distributed in the hope that it will be useful,
19 ** but WITHOUT ANY WARRANTY; without even the implied warranty of
20 ** MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
21 ** GNU General Public License for more details.
23 ** You should have received a copy of the GNU General Public License
24 ** along with this program; if not, write to the Free Software
25 ** Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
26 ******************************************************************************/
35 #include "transformmatrix.h"
55 std::string m_sWindowTitle;
65 SGPDRIVER_WXWINDOWS = 1,
71 SGPDriver (wxDC* pDC, int xsize = 640, int ysize = 480);
74 SGPDriver (const char* szWinTitle = "", int xsize = 640, int ysize = 480);
78 int getPhysicalXSize () const
79 { return m_iPhysicalXSize; }
81 int getPhysicalYSize () const
82 { return m_iPhysicalYSize; }
84 const std::string& getWindowTitle () const
85 { return m_sWindowTitle; }
88 { return (m_idDriver & SGPDRIVER_WXWINDOWS ? true : false); }
91 { return (m_idDriver & SGPDRIVER_G2 ? true : false); }
100 void setDC (wxDC* dc)
109 int m_iPhysicalXSize; // Physical Window size
110 int m_iPhysicalYSize;
113 double xw_min; // Window extents
117 double xv_min; // Viewport extents
121 double viewNDC[4]; // Viewport array for clip_rect()
123 int m_iCurrentPhysicalX;
124 int m_iCurrentPhysicalY;
125 double m_dCurrentWorldX;
126 double m_dCurrentWorldY;
128 bool m_bRecalcTransform;
129 double m_dPointsPerPixel; // points (72pt/in) per screen pixel;
131 // Master coordinates are coordinates before CTM transformation
132 // World coordinates are coordinates defined by setWindow()
133 // Normalized device coordinates range from 0. to 1. in both axes
134 TransformationMatrix2D wc_to_ndc; // World coord to NDC matrix
135 TransformationMatrix2D mc_to_ndc; // Master to NDC
136 TransformationMatrix2D ndc_to_mc; // NDC to Master
137 TransformationMatrix2D m_ctm; // Current transfromation matrix
139 void calc_transform ();
141 static RGBColor s_aRGBColor[];
142 static int s_iRGBColorCount;
160 enum { // Codes for marker symbols
161 MARK_POINT = 0, // small dot
162 MARK_SQUARE = 1, // empty square
163 MARK_FSQUARE = 2, // filled square
164 MARK_DIAMOND = 3, // empty diamond
165 MARK_FDIAMOND = 4, // filled diamond
166 MARK_CROSS = 5, // cross
167 MARK_XCROSS = 6, // x
168 MARK_CIRCLE = 7, // open circle
169 MARK_FCIRCLE = 8, // filled circle
170 MARK_BSQUARE = 9, // big open square
171 MARK_BDIAMOND = 10, // big open diamond
173 enum { MARK_COUNT = 11, };
174 static const unsigned char MARKER_BITMAP[MARK_COUNT][5];
176 SGP (const SGPDriver& driver);
178 void drawCircle (const double r);
179 void drawArc (const double r, double start, double stop);
180 void drawRect (double xmin, double ymin, double xmax, double ymax);
181 void lineAbs(double x, double y);
182 void moveAbs(double x, double y);
183 void lineRel(double x, double y);
184 void moveRel(double x, double y);
185 void drawText(const char *szMessage);
186 void drawText(const std::string& rsMessage);
187 void polylineAbs(double x[], double y[], int n);
188 void markerAbs (double x, double y);
189 void markerRel(double x, double y);
190 void pointAbs(double x, double y);
191 void pointRel(double x, double y);
194 void setWindow (double xmin, double ymin, double xmax, double ymax);
195 void setViewport (double xmin, double ymin, double xmax, double ymax);
196 void frameViewport();
198 void setColor (int icol);
199 void setLineStyle (int style);
200 void setTextSize (double height);
201 void setTextNDCSize (double height);
202 void setTextPointSize (double height);
203 void setTextAngle (double angle);
204 void setTextColor (int iFGcolor, int iBGcolor);
205 void setPenWidth (int width);
206 void setMarker (int idMarker, int color);
207 void setRasterOp (int ro);
209 void getWindow (double& xmin, double& ymin, double& xmax, double& ymax);
210 void getViewport (double& xmin, double& ymin, double& xmax, double& ymax);
211 void getTextExtent (const char *szText, double* x, double* y);
212 double getCharHeight ();
213 double getCharWidth ();
214 SGPDriver& getDriver() {return m_driver;}
215 const SGPDriver& getDriver() const {return m_driver;}
218 void ctmSet (const TransformationMatrix2D& m);
219 void preTranslate (double x, double y);
220 void postTranslate (double x, double y);
221 void preScale (double sx, double sy);
222 void postScale (double sx, double sy);
223 void preRotate (double theta);
224 void postRotate (double theta);
225 void preShear (double shrx, double shry);
226 void postShear (double shrx, double shry);
227 void transformNDCtoMC (double* x, double* y);
228 void transformMCtoNDC (double* x, double* y);
229 void transformMCtoNDC (double xIn, double yIn, double* xOut, double* yOut);
231 void stylusNDC (double x, double y, bool beam);
232 void pointNDC (double x, double y);
233 void markerNDC (double x, double y);
236 void setDC (wxDC* pDC);
242 C_BLACK = 0, // color codes
287 RGBColor (int r, int g, int b)
294 int getGreen () const