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- /*--------------------------------------------------------------*/
- /* Bitmap Driver 1.0 (VAX C, TURBO C) , for GLE V3.0 */
- /*--------------------------------------------------------------*/
- /* This version writes the PATH to a temporary file which can
- /* then be read by a bitmap driver (which has more memory available) */
- /*---------------------------------------------------------------------------*/
- #include "all.h"
- #include <math.h>
- #include "core.h"
- #include "mygraph.h"
- #include "mydev.h"
- #ifndef __TURBOC__
- #define huge
- #else
- #include <alloc.h>
- #endif
- extern int dev_fill,dev_font;
- extern int gunit;
- extern struct gmodel g;
- /*---------------------------------------------------------------------------*/
- #define pi 3.141592653
- #define true (!false)
- #define SOLID_LINE 1
- #define DASHED_LINE 2
- #define BLACKANDWHITE 1
- #define false 0
- #define dbg if ((gle_debug & 64)>0)
- extern int gle_debug;
- int getch(void);
- int kbhit(void);
-
-
- int path_newpath(void);
- int path_lwidth(float x);
- int path_setcolor(float x);
- int path_setcolori(int x);
- int path_setfilli(int x);
- int path_stroke(void);
- int path_fill(void);
- int path_setfill(float x);
- int path_lstyle(int x);
- int path_dline(float x,float y);
- int path_size(float x,float y);
- int path_row(float x1, float y1, float x2, float y2);
- int path_box(float x1, float y1, float x2, float y2);
- int path_alloc(void);
- int path_move(float x1, float y1);
- int path_line(float x1, float y1);
- int flatten_bezier(float x0, float y0, float x1, float y1, float x2, float y2, float x3, float y3);
- int path_closepath(void);
- int bitmap_print(void);
- int bitmap_free(void);
- int bitmap_alloc(void);
- int bitmap_paint(int row, int x1, int x2);
- int intline(int x1, int y1, int x2, int y2);
-
-
- /*---------------------------------------------------------------------------*/
-
- #define scx(v) ( (v) )
- #define scy(v) ( ((v) ))
- #define rx(v) ( ((v) ))
- #define ry(v) ( ((v) ))
-
-
- int d_graphmode;
- int d_fillstyle=1,d_fillcolor;
- int d_lstyle,d_lwidth,d_color;
- int d_maxy;
- /*---------------------------------------------------------------------------*/
- /* Path variables for bitmap */
- typedef union {long l; float f;} longfloat;
- longfloat *path;
- int npath;
- int npath_alloc;
- #include "pathtypes.h"
- /* -ve is used to indicate up or down */
- int row_min,row_max;
- static int lastany = true,ffup = 3;
- static float ffx= -1,ffy= -1,lastx= -1,lasty= -1,cx= -1,cy= -1;
- path_reset()
- {
- ffx = -1; ffy = -1; ffup = 3;
- lastany = true;
- lastx = -1; lasty = -1;
- cx = -1; cy = -1;
- }
- path_newpath(void)
- {
- path_alloc();
- path[npath++].l = p_newpath;
- }
- path_move(float x,float y)
- {
- path_alloc();
- path[npath++].l = p_move;
- path[npath++].f = x;
- path[npath++].f = y;
- }
- path_lwidth(float x)
- {
- path_alloc();
- path[npath++].l = p_lwidth;
- path[npath++].f = x;
- }
- path_setfilli(int x)
- {
- path_alloc();
- path[npath++].l = p_setcolori;
- path[npath++].l = x;
- }
- path_setcolori(int x)
- {
- path_alloc();
- path[npath++].l = p_setcolori;
- path[npath++].l = x;
- }
- path_setcolor(float x)
- {
- path_alloc();
- path[npath++].l = p_setcolor;
- path[npath++].f = x;
- }
- path_stroke(void)
- {
- path_alloc();
- path[npath++].l = p_stroke;
- }
- path_fill(void)
- {
- path_alloc();
- path[npath++].l = p_fill;
- }
- path_setfill(float x)
- {
- path_alloc();
- path[npath++].l = p_setfill;
- path[npath++].f = x;
- }
- path_lstyle(int x)
- {
- path_alloc();
- path[npath++].l = p_lstyle;
- path[npath++].l = x;
- }
- path_dline(float x,float y)
- {
- path_alloc();
- path[npath++].l = p_dline;
- path[npath++].f = x;
- path[npath++].f = y;
- }
- path_size(float x,float y)
- {
- path_alloc();
- path[npath++].l = p_size;
- path[npath++].f = x;
- path[npath++].f = y;
- }
- path_line(float x,float y)
- {
- path_alloc();
- path[npath++].l = p_line;
- path[npath++].f = x;
- path[npath++].f = y;
- }
- path_bezier(float x1, float y1, float x2, float y2,float x3, float y3)
- {
- path_alloc();
- path[npath++].l = p_bezier;
- path[npath++].f = x1; path[npath++].f = y1;
- path[npath++].f = x2; path[npath++].f = y2;
- path[npath++].f = x3; path[npath++].f = y3;
- }
- path_closepath()
- {
- path_alloc();
- path[npath++].l = p_closepath;
- }
- path_box(float x1, float y1, float x2, float y2)
- {
- path_move(x1,y1);
- path_line(x2,y1);
- path_line(x2,y2);
- path_line(x1,y2);
- path_closepath();
- }
- path_alloc(void)
- {
- static int npa;
- long *a;
- if (npath > 100) path_flush();
- if (npath < (npath_alloc-20)) return;
- npath_alloc = 20 + 2 * npath;
- a = myallocz(npath_alloc*sizeof(long));
- if (a==NULL) {
- gle_abort("Unable to allocate memory for path \n");
- }
- if (path != NULL) {
- memcpy(a,path,(npa)*sizeof(long));
- myfree(path);
- }
- npa = npath_alloc;
- path = (longfloat *) a;
- }
- path_free(void)
- {
- if (path==NULL) return;
- myfree(path);
- path = NULL;
- npath = 0;
- npath_alloc = 0;
- }
-
- d_devcmd(char *s)
- {}
- dxy(double x, double y, float *dx, float *dy)
- {
- static double fx,fy;
- g_dev(x,y,&fx,&fy);
- *dx = scx(fx);
- *dy = scy(fy);
- }
- rxy(double x, double y, int *dx, int *dy)
- {
- static double fx,fy,zx,zy;
- g_dev(x,y,&fx,&fy);
- g_dev(0.0,0.0,&zx,&zy);
- *dx = (int) ( (fx-zx) );
- *dy = (int) ( (fy-zy) );
- }
- /*---------------------------------------------------------------------------*/
- d_dfont(char *c)
- {
- /* only used for the DFONT driver which builds fonts (never used)*/
- }
- /*---------------------------------------------------------------------------*/
- d_message(char *s)
- {
- printf("%s\n",s);
- }
- /*---------------------------------------------------------------------------*/
- d_source(char *s)
- {
- s=s;
- }
- /*---------------------------------------------------------------------------*/
- d_get_type(char *t)
- {
- strcpy(t,"OUTPUT, BITMAP, BLACKANDWHITE, HARDCOPY, FILLPATH");
- }
- /*---------------------------------------------------------------------------*/
- d_set_path(int onoff)
- {
- }
- /*---------------------------------------------------------------------------*/
- d_newpath()
- {
- path_flush();
- path_newpath();
- }
- /*---------------------------------------------------------------------------*/
- FILE *dout;
- path_flush(void)
- {
- if (npath>0) fwrite(path,sizeof(long),npath,dout);
- npath = 0;
- }
- d_open(double width, double height)
- {
- char *outfile;
- outfile = "out.dvi";
- #ifdef ultrix
- dout = fopen(outfile,"w");
- if (dout == NULL) gle_abort("Unable to open OUT.DVI epson output file \n");
- #else
- dout = fopen(outfile,"wb");
- if (dout == NULL) gle_abort("Unable to open OUT.EP epson output file \n");
- #endif
- path_alloc();
- path_size(width,height);
- if (!dev_font) plotter_fonts();
- }
- /*---------------------------------------------------------------------------*/
- d_tidyup()
- {
- gprint("AARRRrrrrgg, Dieing\n");
- }
- d_close()
- {
- g_flush();
- path_flush();
- path_free();
- fclose(dout);
- printf("Now enter one of:\n");
- printf(" DVIEPSON (to print to a dot matrix printer)\n");
- printf(" DVIEP24 (to print to 24 Pin epson printers)\n");
- printf(" DVILJ (to print to an HP LaserJet/DeskJet printer)\n");
- printf(" DVILJ300 (same as dvilj but slower with better resolution\n");
- printf(" DVIPJ (HP Paint Jet, use DVIGLE myfile /FILL \n");
- }
- /*---------------------------------------------------------------------------*/
- d_set_line_cap(int i)
- {
- i++;
- }
- /*---------------------------------------------------------------------------*/
- d_set_line_join(int i)
- {
- i++;
- }
- /*---------------------------------------------------------------------------*/
- d_set_line_miterlimit(double d)
- {
- int i=0;
- i++;
- }
- /*---------------------------------------------------------------------------*/
- d_set_line_width(double w)
- {
- float dx,dy,zx,zy;
-
- dxy(w,w,&dx,&dy);
- dxy(0.0,0.0,&zx,&zy);
- path_lwidth(sqrt(pow(dx-zx,2) + pow(dy-zy,2)));
- path_lwidth(w);
- }
- /*---------------------------------------------------------------------------*/
- d_set_line_styled(double dd)
- {}
- d_set_line_style(char *s)
- {
- d_lstyle = DASHED_LINE;
- if (strcmp(s,"")==0) d_lstyle = SOLID_LINE;
- if (strcmp(s,"1")==0) d_lstyle = SOLID_LINE;
- path_lstyle(d_lstyle);
- }
- /*---------------------------------------------------------------------------*/
- d_fill()
- {
- path_fill();
- }
- /*---------------------------------------------------------------------------*/
- d_fill_ary(int nwk,double (*wkx)[],double (*wky)[])
- {
- int i;
-
- path_move( (*wkx)[0], (*wky)[0]);
- for (i=1;i<nwk;i++) {
- path_line( (*wkx)[i], (*wky)[i]);
- }
- d_fill();
- }
- d_line_ary(int nwk,double (*wkx)[],double (*wky)[])
- {
- int i;
-
- path_move( (*wkx)[0], (*wky)[0]);
- for (i=1;i<nwk;i++) {
- path_line( (*wkx)[i], (*wky)[i]);
- }
- d_stroke();
- }
- /*---------------------------------------------------------------------------*/
- d_stroke()
- {
- path_stroke();
- }
- /*---------------------------------------------------------------------------*/
- d_clip()
- {
- }
- /*---------------------------------------------------------------------------*/
- d_set_matrix(double newmat[3][3])
- {
-
- }
- /*---------------------------------------------------------------------------*/
- d_move(double zx,double zy)
- {
- }
- /*---------------------------------------------------------------------------*/
- d_reverse() /* reverse the order of stuff in the current path */
- {
- }
- /*---------------------------------------------------------------------------*/
- d_closepath()
- {
- path_closepath();
- }
- int bit_line( double x, double y);
- /*---------------------------------------------------------------------------*/
- d_line(double zx,double zy)
- {
- float dx,dy;
- if (g.xinline==false) {
- dxy(g.curx,g.cury,&dx,&dy);
- path_move(dx,dy);
- }
- if (g.inpath==false) {
- dxy(zx,zy,&dx,&dy);
- path_dline(dx,dy);
- return;
- }
- dxy(zx,zy,&dx,&dy);
- path_line(dx,dy);
- }
-
-
- /*---------------------------------------------------------------------------*/
- d_clear()
- {
- d_lstyle = SOLID_LINE;
- d_lwidth = 1;
-
- }
- /*---------------------------------------------------------------------------*/
- d_flush()
- {
- }
- /*---------------------------------------------------------------------------*/
- d_arcto(dbl x1,dbl y1,dbl x2,dbl y2,dbl rrr)
- {
- df_arcto(x1,y1,x2,y2,rrr);
- }
- /*---------------------------------------------------------------------------*/
- d_arc(dbl r,dbl t1,dbl t2,dbl cx,dbl cy)
- {
- df_arc(r,t1,t2,cx,cy);
- }
- /*---------------------------------------------------------------------------*/
- d_narc(dbl r,dbl t1,dbl t2,dbl cx,dbl cy)
- {
- df_arc(r,t1,t2,cx,cy);
- }
- /*---------------------------------------------------------------------------*/
- d_box_fill(dbl x1, dbl y1, dbl x2, dbl y2)
- {
- if (dev_fill) {
- path_box(x1,y1,x2,y2);
- d_fill();
- return;
- }
- df_box_fill(x1,y1,x2,y2);
- }
- d_box_stroke(dbl x1, dbl y1, dbl x2, dbl y2)
- {
- df_box_stroke(x1,y1,x2,y2);
- }
- /*---------------------------------------------------------------------------*/
- d_circle_stroke(double zr)
- {
- df_circle_stroke(zr);
- }
- d_circle_fill(double zr)
- {
- df_circle_fill(zr);
- }
- /*---------------------------------------------------------------------------*/
- int df_bezier(dbl x1,dbl y1,dbl x2,dbl y2,dbl x3,dbl y3);
- d_bezier(dbl x1,dbl y1,dbl x2,dbl y2,dbl x3,dbl y3)
- {
- float dx1,dy1,dx2,dy2,dx3,dy3,dx0,dy0;
-
- if (g.inpath==false) {
- df_bezier(x1,y1,x2,y2,x3,y3);
- return;
- }
- if (g.xinline==false) {
- dxy(g.curx,g.cury,&dx0,&dy0);
- path_move(dx0,dy0);
- }
-
- dxy(x1,y1,&dx1,&dy1);
- dxy(x2,y2,&dx2,&dy2);
- dxy(x3,y3,&dx3,&dy3);
- path_bezier(dx1,dy1,dx2,dy2,dx3,dy3);
- }
- /*---------------------------------------------------------------------------*/
- d_set_color(long f)
- {
- int i;
- colortyp cc;
- cc.l = f;
- path_setcolor(((cc.b[B_R]*3.0/255.0
- +cc.b[B_G]*2.0/255.0+cc.b[B_B]/255.0) / 6));
- path_setcolori(cvt_color_i(f));
- }
- cvt_color_i(long f)
- {
- int i;
- colortyp cc;
- cc.l = f;
- i = 0;
- if (cc.b[B_R]>1 && cc.b[B_G]>1 && cc.b[B_B]>1) i = 10; /* blue */
- if (cc.b[B_R]>60 && cc.b[B_G]>60 && cc.b[B_B]>60) i = 9; /*green*/
- if (cc.b[B_R]>100) i = 1; /* red */
- if (cc.b[B_G]>100) i = 2; /* green */
- if (cc.b[B_B]>100) i = 3; /* blue */
- if (cc.b[B_R]>100 && cc.b[B_G]>100) i = 4; /* yellow */
- if (cc.b[B_G]>100 && cc.b[B_B]>100) i = 5; /* cyan */
- if (cc.b[B_R]>100 && cc.b[B_B]>100) i = 6; /* Magenta */
- if (cc.b[B_R]>100 && cc.b[B_G]>100 && cc.b[B_B]>100) i = 8; /*red*/
- if (cc.b[B_R]>250 && cc.b[B_G]>250 && cc.b[B_B]>250) i = 7;
- return i;
- }
- d_set_fill(long f)
- {
- int i;
- colortyp cc;
- cc.l = f;
- path_setfill(((cc.b[B_R]*3.0/255.0
- +cc.b[B_G]*2.0/255.0+cc.b[B_B]/255.0) / 6));
- path_setfilli(cvt_color_i(f));
- }
- /*---------------------------------------------------------------------------*/
- d_beginclip()
- {
- }
- d_endclip()
- {
- }
- struct char_data {float wx,wy,x1,y1,x2,y2; };
- int font_get_chardata(struct char_data **cd, int ff, int cc);
- /*---------------------------------------------------------------------------*/
- int safnt;
- int simple_char(int cc);
- d_char(int font, int cc)
- {
- static struct char_data cd;
- static int ix1,ix2,iy1,iy2;
- static int ux,uy;
- char ss[2];
-
- ss[0] = cc;
- ss[1] = 0;
- if (safnt==0) safnt = pass_font("PLSR");
- if (font_get_encoding(font)>2) {
- my_char(font,cc);
- return;
- }
- my_char(safnt,cc);
- }
-
-