//
// Graphics module
//
%module gifplot
%{
#include "gifplot.h"
%}
/* Pixel is 8-bits */
typedef unsigned char Pixel;
typedef float Zvalue;
/* ------------------------------------------------------------------------
ColorMap
Definition and methods for colormaps
------------------------------------------------------------------------ */
typedef struct ColorMap {
char *name;
//
// %addmethods adds some C methods to this structure to make it
// look like a C++ class in Python.
// These are really named things like ColorMap_default, ColorMap_assign, etc...
%addmethods {
ColorMap(char *filename);
~ColorMap();
#if defined(SWIGJAVA ) || defined(SWIGPHP4)
%name(make_default) void default();
#else
void default();
#endif
void assign(int index,int r, int g, int b);
%name(__getitem__) int getitem(int index);
%name(__setitem__) void setitem(int index, int value);
int write(char *filename);
}
} ColorMap;
/* Some default colors */
#define BLACK 0
#define WHITE 1
#define RED 2
#define GREEN 3
#define BLUE 4
#define YELLOW 5
#define CYAN 6
#define MAGENTA 7
/*-------------------------------------------------------------------------
FrameBuffer
This structure defines a simple 8 bit framebuffer.
------------------------------------------------------------------------- */
typedef struct FrameBuffer {
unsigned int height;
unsigned int width;
int xmin; /* These are used for clipping */
int ymin;
int xmax;
int ymax;
%addmethods {
FrameBuffer(unsigned int width, unsigned int height);
~FrameBuffer();
void resize(int width, int height);
void clear(Pixel color);
void plot(int x, int y, Pixel color);
void horizontal(int xmin, int xmax, int y, Pixel color);
void horizontalinterp(int xmin, int xmax, int y, Pixel c1, Pixel c2);
void vertical(int ymin, int ymax, int x, Pixel color);
void box(int x1, int y1, int x2, int y2, Pixel color);
void solidbox(int x1, int y1, int x2, int y2, Pixel color);
void interpbox(int x1, int y1, int x2, int y2, Pixel c1, Pixel c2, Pixel c3, Pixel c4);
void circle(int x1, int y1, int radius, Pixel color);
void solidcircle(int x1, int y1, int radius, Pixel color);
void line(int x1, int y1, int x2, int y2, Pixel color);
void setclip(int xmin, int ymin, int xmax, int ymax);
void noclip();
int makeGIF(ColorMap *cmap, void *buffer, unsigned int maxsize);
void zresize(int width, int height);
void zclear();
void drawchar(int x, int y, int fgcolor, int bgcolor, char chr, int orientation);
void drawstring(int x, int y, int fgcolor, int bgcolor, char *text, int orientation);
void drawpixmap(PixMap *pm, int x, int y, int fgcolor, int bgcolor);
int writeGIF(ColorMap *cmap, char *filename);
}
} FrameBuffer;
#define HORIZONTAL 1
#define VERTICAL 2
/* --------------------------------------------------------------------------
PixMap
The equivalent of "bit-maps".
-------------------------------------------------------------------------- */
/* PIXMAP methods */
extern PixMap *new_PixMap(int width, int height, int centerx, int centery);
extern void delete_PixMap(PixMap *pm);
extern void PixMap_set(PixMap *pm, int x, int y, int pix);
#define GIFPLOT_TRANSPARENT 0
#define GIFPLOT_FOREGROUND 1
#define GIFPLOT_BACKGROUND 2
/* --------------------------------------------------------------------------
Plot2D
Definition and methods for 2D plots.
--------------------------------------------------------------------------- */
typedef struct Plot2D {
FrameBuffer *frame;
int view_xmin; /* Minimum coordinates of view region */
int view_ymin;
int view_xmax; /* Maximum coordinates of view region */
int view_ymax;
double xmin; /* Minimum coordinates of plot region */
double ymin;
double xmax; /* Maximum coordinates of plot region */
double ymax;
int xscale; /* Type of scaling (LINEAR, LOG, etc..) */
int yscale;
%addmethods {
Plot2D(FrameBuffer *frame,double xmin,double ymin, double xmax, double ymax);
~Plot2D();
Plot2D *copy();
void clear(Pixel c);
void setview(int vxmin, int vymin, int vxmax, int vymax);
void setrange(double xmin, double ymin, double xmax, double ymax);
void setscale(int xscale, int yscale);
void plot(double x, double y, Pixel color);
void box(double x1, double y1, double x2, double y2, Pixel color);
void solidbox(double x1, double y1, double x2, double y2, Pixel color);
void interpbox(double x1, double y1, double x2, double y2, Pixel c1, Pixel c2, Pixel c3, Pixel c4);
void circle(double x, double y, double radius, Pixel color);
void solidcircle(double x, double y, double radius, Pixel color);
void line(double x1, double y1, double x2, double y2, Pixel color);
void start();
void drawpixmap(PixMap *pm, double x, double y, Pixel color, Pixel bgcolor);
void xaxis(double x, double y, double xtick, int ticklength, Pixel color);
void yaxis(double x, double y, double ytick, int ticklength, Pixel color);
void triangle(double x1, double y1, double x2, double y2, double x3, double y3, Pixel c);
void solidtriangle(double x1, double y1, double x2, double y2, double x3, double y3, Pixel c);
void interptriangle(double x1, double y1, Pixel c1,
double x2, double y2, Pixel c2,
double x3, double y3, Pixel c3);
}
} Plot2D;
#define LINEAR 10
#define LOG 11
/* ------------------------------------------------------------------------------
Plot3D
Data Structure for 3-D plots
------------------------------------------------------------------------------ */
typedef struct Plot3D {
FrameBuffer *frame;
int view_xmin; /* Viewing region */
int view_ymin;
int view_xmax;
int view_ymax;
double xmin; /* Bounding box */
double ymin;
double zmin;
double xmax;
double ymax;
double zmax;
double xcenter; /* Center point */
double ycenter;
double zcenter;
double fovy; /* Field of view */
double aspect; /* Aspect ratio */
double znear; /* near "clipping" plane */
double zfar; /* far "clipping" plane */
double lookatz; /* Where is the z-lookat point */
double xshift; /* Used for translation and stuff */
double yshift;
%addmethods {
Plot3D(FrameBuffer *frame, double xmin, double ymin, double zmin, double xmax, double ymax, double zmax);
~Plot3D();
Plot3D *copy();
void clear(Pixel bgcolor);
void perspective( double fovy, double znear, double zfar);
void lookat( double z);
void autoperspective( double fovy);
void ortho(double left, double right, double bottom, double top);
void autoortho();
void rotx( double deg);
void roty( double deg);
void rotz( double deg);
void rotl( double deg);
void rotr( double deg);
void rotd( double deg);
void rotu( double deg);
void rotc( double deg);
void zoom( double percent);
void left( double percent);
void right( double percent);
void down( double percent);
void up( double percent);
void center( double cx, double cy);
void plot( double x, double y, double z, Pixel Color);
void setview( int vxmin, int vymin, int vxmax, int vymax);
void start();
void line( double x1, double y1, double z1,
double x2, double y2, double z2, Pixel color);
void triangle( double x1, double y1, double z1,
double x2, double y2, double z2,
double x3, double y3, double z3, Pixel color);
void solidtriangle( double x1, double y1, double z1,
double x2, double y2, double z2,
double x3, double y3, double z3, Pixel color);
void interptriangle(double x1, double y1, double z1, Pixel c1,
double x2, double y2, double z2, Pixel c2,
double x3, double y3, double z3, Pixel c3);
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,
Pixel color);
void solidquad( double x1, double y1, double z1,
double x2, double y2, double z2,
double x3, double y3, double z3,
double x4, double y4, double z4,
Pixel color);
void interpquad( double x1, double y1, double z1, Pixel c1,
double x2, double y2, double z2, Pixel c2,
double x3, double y3, double z3, Pixel c3,
double x4, double y4, double z4, Pixel c4);
void solidsphere( double x, double y, double z, double radius,Pixel c);
void outlinesphere( double x, double y, double z, double radius,Pixel c, Pixel bc);
}
} Plot3D;
#ifndef SWIGJAVA
/* These directives create constants of a specific type. They
do not correspond to any C variable or declared constant in the
header file */
%constant PixMap * SQUARE = &PixMap_SQUARE;
%constant PixMap * TRIANGLE = &PixMap_TRIANGLE;
%constant PixMap * CROSS = &PixMap_CROSS;
#endif
