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Diffstat (limited to 'Examples/GIFPlot/Include/gifplot.h')
| -rw-r--r-- | Examples/GIFPlot/Include/gifplot.h | 333 |
1 files changed, 0 insertions, 333 deletions
diff --git a/Examples/GIFPlot/Include/gifplot.h b/Examples/GIFPlot/Include/gifplot.h deleted file mode 100644 index 85e4c10b3..000000000 --- a/Examples/GIFPlot/Include/gifplot.h +++ /dev/null @@ -1,333 +0,0 @@ -/* ----------------------------------------------------------------------------- - * gifplot.h - * - * Main header file for the GIFPlot library. - * - * Author(s) : David Beazley (beazley@cs.uchicago.edu) - * Copyright (C) 1995-1996 - * - * See the file LICENSE for information on usage and redistribution. - * ----------------------------------------------------------------------------- */ - -#include <stdio.h> -#include <fcntl.h> -#include <float.h> -#include <stdlib.h> -#include <string.h> -#include <limits.h> - -#ifndef GIFPLOT_H - -#ifdef SWIG -%nodefault; -#endif - -/* Pixel is 8-bits */ - -typedef unsigned char Pixel; -typedef float Zvalue; - -/* ------------------------------------------------------------------------ - ColorMap - - Definition and methods for colormaps - ------------------------------------------------------------------------ */ - -typedef struct ColorMap { - unsigned char *cmap; - char *name; -} ColorMap; - -extern ColorMap *new_ColorMap(char *filename); -extern void delete_ColorMap(ColorMap *c); -extern void ColorMap_default(ColorMap *c); -extern void ColorMap_assign(ColorMap *c, int index, int r, int g, int b); -extern int ColorMap_getitem(ColorMap *c, int index); -extern void ColorMap_setitem(ColorMap *c, int index, int value); -extern int ColorMap_write(ColorMap *c, char *filename); - -/* 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 { - Pixel **pixels; - Zvalue **zbuffer; - unsigned int height; - unsigned int width; - int xmin; /* These are used for clipping */ - int ymin; - int xmax; - int ymax; -} FrameBuffer; - -#define ZMIN 1e+36 - -/* FrameBuffer Methods */ - -extern FrameBuffer *new_FrameBuffer(unsigned int width, unsigned int height); -extern void delete_FrameBuffer(FrameBuffer *frame); -extern int FrameBuffer_resize(FrameBuffer *frame, int width, int height); -extern void FrameBuffer_clear(FrameBuffer *frame, Pixel color); -extern void FrameBuffer_plot(FrameBuffer *frame, int x, int y, Pixel color); -extern void FrameBuffer_horizontal(FrameBuffer *frame, int xmin, int xmax, int y, Pixel color); -extern void FrameBuffer_horizontalinterp(FrameBuffer *f, int xmin, int xmax, int y, Pixel c1, Pixel c2); -extern void FrameBuffer_vertical(FrameBuffer *frame, int ymin, int ymax, int x, Pixel color); -extern void FrameBuffer_box(FrameBuffer *frame, int x1, int y1, int x2, int y2, Pixel color); -extern void FrameBuffer_solidbox(FrameBuffer *frame, int x1, int y1, int x2, int y2, Pixel color); -extern void FrameBuffer_interpbox(FrameBuffer *f, int x1, int y1, int x2, int y2, Pixel c1, Pixel c2, Pixel c3, Pixel c4); -extern void FrameBuffer_circle(FrameBuffer *frame, int x1, int y1, int radius, Pixel color); -extern void FrameBuffer_solidcircle(FrameBuffer *frame, int x1, int y1, int radius, Pixel color); -extern void FrameBuffer_line(FrameBuffer *frame, int x1, int y1, int x2, int y2, Pixel color); -extern void FrameBuffer_setclip(FrameBuffer *frame, int xmin, int ymin, int xmax, int ymax); -extern void FrameBuffer_noclip(FrameBuffer *frame); -extern int FrameBuffer_makeGIF(FrameBuffer *frame, ColorMap *cmap, void *buffer, unsigned int maxsize); -extern int FrameBuffer_writeGIF(FrameBuffer *f, ColorMap *c, char *filename); -extern void FrameBuffer_zresize(FrameBuffer *f, int width, int height); -extern void FrameBuffer_zclear(FrameBuffer *f); -extern void FrameBuffer_solidtriangle(FrameBuffer *f, int x1, int y1, int x2, int y2, int x3, int y3, Pixel c); -extern void FrameBuffer_interptriangle(FrameBuffer *f, int tx1, int ty1, Pixel c1, - int tx2, int ty2, Pixel c2, int tx3, int ty3, Pixel c3); - -#define HORIZONTAL 1 -#define VERTICAL 2 - -extern void FrameBuffer_drawchar(FrameBuffer *frame, int x, int y, int fgcolor, int bgcolor, char chr, int orientation); -extern void FrameBuffer_drawstring(FrameBuffer *f, int x, int y, int fgcolor, int bgcolor, char *text, int orientation); - -/* ------------------------------------------------------------------------ - PixMap - - The equivalent of "bit-maps". - ------------------------------------------------------------------------ */ - -typedef struct PixMap { - int width; - int height; - int centerx; - int centery; - int *map; -} PixMap; - -/* 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); -extern void FrameBuffer_drawpixmap(FrameBuffer *f, PixMap *pm, int x, int y, int fgcolor, int bgcolor); - -#define GIFPLOT_TRANSPARENT 0 -#define GIFPLOT_FOREGROUND 1 -#define GIFPLOT_BACKGROUND 2 - -/* ------------------------------------------------------------------------ - Plot2D - - Definition and methods for 2D plots. - ------------------------------------------------------------------------ */ - -typedef struct Plot2D { - FrameBuffer *frame; /* what frame buffer are we using */ - 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; - double dx; /* Private scaling parameters */ - double dy; -} Plot2D; - -/* 2D Plot methods */ - -extern Plot2D *new_Plot2D(FrameBuffer *frame,double xmin,double ymin, double xmax, double ymax); -extern void delete_Plot2D(Plot2D *p2); -extern Plot2D *Plot2D_copy(Plot2D *p2); -extern void Plot2D_clear(Plot2D *p2, Pixel c); -extern void Plot2D_setview(Plot2D *p2, int vxmin, int vymin, int vxmax, int vymax); -extern void Plot2D_setrange(Plot2D *p2, double xmin, double ymin, double xmax, double ymax); -extern void Plot2D_setscale(Plot2D *p2, int xscale, int yscale); -extern void Plot2D_plot(Plot2D *p2, double x, double y, Pixel color); -extern void Plot2D_box(Plot2D *p2, double x1, double y1, double x2, double y2, Pixel color); -extern void Plot2D_solidbox(Plot2D *p2, double x1, double y1,double x2, double y2, Pixel color); -extern void Plot2D_interpbox(Plot2D *p2, double x1, double y1, double x2, double y2, Pixel c1, Pixel c2, Pixel c3, Pixel c4); -extern void Plot2D_circle(Plot2D *p2, double x, double y, double radius, Pixel color); -extern void Plot2D_solidcircle(Plot2D *p2, double x, double y, double radius, Pixel color); -extern void Plot2D_line(Plot2D *p2, double x1, double y1, double x2, double y2, Pixel color); -extern void Plot2D_start(Plot2D *p2); -extern void Plot2D_drawpixmap(Plot2D *p2, PixMap *pm, double x, double y, Pixel color, Pixel bgcolor); -extern void Plot2D_xaxis(Plot2D *p2, double x, double y, double xtick, int ticklength, Pixel c); -extern void Plot2D_yaxis(Plot2D *p2, double x, double y, double ytick, int ticklength, Pixel c); -extern void Plot2D_triangle(Plot2D *p2, double x1, double y1, double x2, double y2, double x3, double y3, Pixel c); -extern void Plot2D_solidtriangle(Plot2D *p2, double x1, double y1, double x2, double y2, double x3, double y3, Pixel c); -extern void Plot2D_interptriangle(Plot2D *p2, double x1, double y1, Pixel c1, - double x2, double y2, Pixel c2, - double x3, double y3, Pixel c3); - -#define LINEAR 10 -#define LOG 11 - -/* ----------------------------------------------------------------------- - Matrix - - Operations on 4x4 transformation matrices and vectors. - Matrices are represented as a double array of 16 elements - ----------------------------------------------------------------------- */ - -typedef double *Matrix; -typedef struct GL_Vector { - double x; - double y; - double z; - double w; -} GL_Vector; - -extern Matrix new_Matrix(); -extern void delete_Matrix(Matrix a); -extern Matrix Matrix_copy(Matrix a); -extern void Matrix_multiply(Matrix a, Matrix b, Matrix c); -extern void Matrix_identity(Matrix a); -extern void Matrix_zero(Matrix a); -extern void Matrix_transpose(Matrix a, Matrix result); -extern void Matrix_invert(Matrix a, Matrix inva); -extern void Matrix_transform(Matrix a, GL_Vector *r, GL_Vector *t); -extern void Matrix_transform4(Matrix a, double rx, double ry, double rz, - double rw, GL_Vector *t); - -extern void Matrix_print(Matrix a); -extern void Matrix_translate(Matrix a, double tx, double ty, double tz); -extern void Matrix_rotatex(Matrix a, double deg); -extern void Matrix_rotatey(Matrix a, double deg); -extern void Matrix_rotatez(Matrix a, double deg); - -/* ----------------------------------------------------------------------- - Plot3D - - Data Structure for 3-D plots - ------------------------------------------------------------------------ */ - -typedef struct Plot3D { - FrameBuffer *frame; /* Frame buffer being used */ - 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 */ - Matrix center_mat; /* Matrix used for centering the model */ - Matrix model_mat; /* Model rotation matrix */ - Matrix view_mat; /* Viewing matrix */ - Matrix fullmodel_mat; /* Full model matrix. Used by sphere plot */ - Matrix trans_mat; /* Total transformation matrix */ - double lookatz; /* Where is the z-lookat point */ - double xshift; /* Used for translation and stuff */ - double yshift; - double zoom; - int width; - int height; - int pers_mode; /* Perspective mode (private) */ - double ortho_left,ortho_right,ortho_bottom,ortho_top; -} Plot3D; - -extern Plot3D *new_Plot3D(FrameBuffer *frame, double xmin, double ymin, double zmin, - double xmax, double ymax, double zmax); -extern void delete_Plot3D(Plot3D *p3); -extern Plot3D *Plot3D_copy(Plot3D *p3); -extern void Plot3D_clear(Plot3D *p3, Pixel Color); -extern void Plot3D_perspective(Plot3D *p3, double fovy, double znear, double zfar); -extern void Plot3D_ortho(Plot3D *p3, double left, double right, double top, double bottom); -extern void Plot3D_lookat(Plot3D *p3, double z); -extern void Plot3D_autoperspective(Plot3D *p3, double fovy); -extern void Plot3D_autoortho(Plot3D *p3); -extern void Plot3D_rotx(Plot3D *p3, double deg); -extern void Plot3D_roty(Plot3D *p3, double deg); -extern void Plot3D_rotz(Plot3D *p3, double deg); -extern void Plot3D_rotl(Plot3D *p3, double deg); -extern void Plot3D_rotr(Plot3D *p3, double deg); -extern void Plot3D_rotd(Plot3D *p3, double deg); -extern void Plot3D_rotu(Plot3D *p3, double deg); -extern void Plot3D_rotc(Plot3D *p3, double deg); -extern void Plot3D_zoom(Plot3D *p3, double percent); -extern void Plot3D_left(Plot3D *p3, double percent); -extern void Plot3D_right(Plot3D *p3, double percent); -extern void Plot3D_down(Plot3D *p3, double percent); -extern void Plot3D_up(Plot3D *p3, double percent); -extern void Plot3D_center(Plot3D *p3, double cx, double cy); - -extern void Plot3D_plot(Plot3D *p3, double x, double y, double z, Pixel Color); - -extern void Plot3D_setview(Plot3D *p3, int vxmin, int vymin, int vxmax, int vymax); -extern void Plot3D_start(Plot3D *p3); -extern void Plot3D_line(Plot3D *p3, double x1, double y1, double z1, - double x2, double y2, double z2, Pixel color); -extern void Plot3D_triangle(Plot3D *p3, double x1, double y1, double z1, - double x2, double y2, double z2, - double x3, double y3, double z3, Pixel color); -extern void Plot3D_solidtriangle(Plot3D *p3, double x1, double y1, double z1, - double x2, double y2, double z2, - double x3, double y3, double z3, Pixel color); - -extern void Plot3D_interptriangle(Plot3D *p3, - double x1, double y1, double z1, Pixel c1, - double x2, double y2, double z2, Pixel c2, - double x3, double y3, double z3, Pixel c3); - -extern void Plot3D_quad(Plot3D *p3, 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); - -extern void Plot3D_solidquad(Plot3D *p3, 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); - -extern void Plot3D_interpquad(Plot3D *p3, 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); - - -extern void Plot3D_solidsphere(Plot3D *p3, double x, double y, double z, double radius,Pixel c); - -extern void Plot3D_outlinesphere(Plot3D *p3, double x, double y, double z, double radius,Pixel c, Pixel bc); - -extern PixMap PixMap_SQUARE; -extern PixMap PixMap_TRIANGLE; -extern PixMap PixMap_CROSS; - -#endif -#define GIFPLOT_H - - - |