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#include <staden_config.h>
#include <string.h>
#include <ctype.h>
#include "misc.h"
#include "postscript.h"
#include "cli_arg.h"
#include "split.h"
int ps_configure(PS_OPTIONS *ps_options, int argc, char **argv) {
cli_args a[] = {
{"-page_height", ARG_INT, 1, "842", offsetof(PS_OPTIONS, page_height)},
{"-page_width", ARG_INT, 1, "595", offsetof(PS_OPTIONS, page_width)},
{"-orientation", ARG_STR, 1, "Portrait", offsetof(PS_OPTIONS, orientation)},
{"-top_margin", ARG_INT, 1, "72", offsetof(PS_OPTIONS, top_margin)},
{"-bottom_margin", ARG_INT, 1, "72", offsetof(PS_OPTIONS, bottom_margin)},
{"-left_margin", ARG_INT, 1, "72", offsetof(PS_OPTIONS, left_margin)},
{"-right_margin", ARG_INT, 1, "72", offsetof(PS_OPTIONS, right_margin)},
{"-panel_height", ARG_INT, 1, "103", offsetof(PS_OPTIONS, panel_height)},
{"-panel_width", ARG_INT, 1, "453", offsetof(PS_OPTIONS, panel_width)},
{"-panel_separation", ARG_INT, 1, "13", offsetof(PS_OPTIONS, panel_sep)},
{"-n_panel", ARG_INT, 1, "6", offsetof(PS_OPTIONS, n_panel)},
{"-font", ARG_STR, 1, "Helvetica", offsetof(PS_OPTIONS, font_type)},
{"-font_size", ARG_INT, 1, "12", offsetof(PS_OPTIONS, font_size)},
{NULL, 0, 0, NULL, 0}
};
if(-1 == parse_args(a, ps_options, argc, argv)) {
return TCL_ERROR;
}
ps_options->orientation = strdup(ps_options->orientation);
ps_options->font_type = strdup(ps_options->font_type);
return TCL_OK;
}
int free_ps_options(PS_OPTIONS *ps_options) {
if(ps_options->orientation != NULL) {
free(ps_options->orientation);
ps_options->orientation = NULL;
}
if(ps_options->font_type != NULL) {
free(ps_options->font_type);
ps_options->font_type = NULL;
}
return 0;
}
int ps_configure_line(Tcl_Interp *interp, Tk_Window tkwin,
LINE_OPTIONS *options, int argc, char **argv) {
char **dash_list;
int i;
cli_args a[] = {
{"-line_width", ARG_INT, 1, "0", offsetof(LINE_OPTIONS, lw)},
{"-colour", ARG_STR, 1, "black", offsetof(LINE_OPTIONS, colour_str)},
{"-dash", ARG_STR, 1, "0", offsetof(LINE_OPTIONS, dash_str)},
{NULL, 0, 0, NULL, 0}
};
if(-1 == parse_args(a, options, argc, argv)) {
return TCL_ERROR;
}
/* Convert *colour_str to rgb[3] */
options->XCol = Tk_GetColor(interp, tkwin, options->colour_str);
options->rgb[0] = ((float) options->XCol->red) / 65535.0;
options->rgb[1] = ((float) options->XCol->green) / 65535.0;
options->rgb[2] = ((float) options->XCol->blue) / 65535.0;
/* Convert dash_str into an integer array. */
dash_list = split(options->dash_str, " \t\n");
if(NULL == (options->dash = (int *) xmalloc(strlen(options->dash_str) * sizeof(int)))) {
return TCL_ERROR;
}
i = 0;
while(dash_list[i]) {
options->dash[i] = atoi(dash_list[i]);
i++;
}
options->n_dash = i;
if(NULL == (options->dash = (int *) xrealloc(options->dash, options->n_dash * sizeof(int) + 1))) {
return TCL_ERROR;
}
split_xfree(dash_list);
return TCL_OK;
}
int free_ps_line(LINE_OPTIONS *options) {
if(options->XCol != NULL) {
Tk_FreeColor(options->XCol);
options->XCol = NULL;
}
if(options->dash != NULL) {
xfree(options->dash);
options->dash = NULL;
}
return 0;
}
FILE *ps_fopen(char *filename, PS_OPTIONS ps_options) {
FILE *ps_file;
ps_file = fopen(filename, "w");
if(ps_file == NULL) {
return NULL;
}
fprintf(ps_file, "%%!PS-Adobe-3.0\n");
fprintf(ps_file, "%%%%Creator:\ttrace_print\n");
switch(tolower(*(ps_options.orientation))) {
case 'l' :
fprintf(ps_file, "%%%%Orientation:\tLandscape\n");
break;
case 'p' : default:
fprintf(ps_file, "%%%%Orientation:\tPortrait\n");
break;
}
fprintf(ps_file, "%%%%BeginProlog\n");
fprintf(ps_file, "/t {translate} def\n");
fprintf(ps_file, "/r {rotate} def\n");
fprintf(ps_file, "/m {moveto} def\n");
fprintf(ps_file, "/rm {rmoveto} def\n");
fprintf(ps_file, "/l {lineto} def\n");
fprintf(ps_file, "/rl {rlineto} def\n");
fprintf(ps_file, "/s {show} def\n");
fprintf(ps_file, "/rgb {setrgbcolor} def\n");
fprintf(ps_file, "/lw {setlinewidth} def\n");
fprintf(ps_file, "/st {stroke} def\n");
fprintf(ps_file, "/n {newpath} def\n");
fprintf(ps_file, "/rep {repeat} def\n");
fprintf(ps_file, "/dash {setdash} def\n");
/* The next four work on the last string on the postscript stack. */
fprintf(ps_file, "/ln {stringwidth} def\n");
fprintf(ps_file, "/l_h {ln exch -0.5 mul exch rm} def\n"); /* Move left by half the stringwidth. */
fprintf(ps_file, "/l_f {ln exch -1 mul exch rm} def\n"); /* Move left by a full stringwidth. */
fprintf(ps_file, "/r_h {ln exch 0.5 mul exch rm} def\n"); /* Move right by half the stringwidth. */
fprintf(ps_file, "%%%%EndProlog\n");
fprintf(ps_file, "%%%%BeginSetup\n");
/*
fprintf(ps_file, "<</PageSize [%d %d]>> setpagedevice\n",
ps_options.page_width, ps_options.page_height);
*/
fprintf(ps_file, "/%s findfont %d scalefont setfont\n", ps_options.font_type, ps_options.font_size);
fprintf(ps_file, "%%%%EndSetup\n");
return ps_file;
}
void ps_newpage(FILE *ps_file, char *label, int page_number, PS_OPTIONS ps_options) {
fprintf(ps_file, "%%%%Page: %s %d\n", label, page_number);
fprintf(ps_file, "%%%%BeginPageSetup\n");
switch(tolower(*(ps_options.orientation))) {
case 'l' :
fprintf(ps_file, "90 r 0 %d t\n", (-1 * ps_options.page_height));
break;
case 'p' : default:
break;
}
/* Translate to top left-hand corner. */
fprintf(ps_file, "%d %d t\n", ps_options.left_margin, ps_options.page_height - ps_options.top_margin);
fprintf(ps_file, "%%%%EndPageSetup\n");
fprintf(ps_file, "0 0 m\n");
fprintf(ps_file, "(%s) s\n", label);
}
void ps_finishpage(FILE *ps_file) {
fprintf(ps_file, "showpage\n");
}
void xfree_ps_text(PS_TEXT *ps_text, int n) {
int i;
for(i = 0; i < n; i++) {
xfree(ps_text[i].text);
}
xfree(ps_text);
}
void ps_draw_lines(FILE *ps_file, LINE_OPTIONS options, PS_POINT *p, int NPoints) {
int i;
fprintf(ps_file, "n\n");
fprintf(ps_file, "%d %d m\n", p[0].x, p[0].y);
for(i = NPoints - 1; i >= 1; i--) {
fprintf(ps_file, "%d %d\n", p[i].x - p[i - 1].x, p[i].y - p[i - 1].y);
}
fprintf(ps_file, "%d {rl} rep\n", NPoints - 1);
fprintf(ps_file, "%d lw\n", options.lw);
fprintf(ps_file, "%04.2f %04.2f %04.2f rgb\n", options.rgb[0], options.rgb[1], options.rgb[2]);
fprintf(ps_file, "[");
for(i = 0; i < options.n_dash - 1; i++) {
fprintf(ps_file, "%d ", options.dash[i]);
i++;
}
fprintf(ps_file, "] %d dash\n", options.dash[i]);
fprintf(ps_file, "st\n");
}
void ps_draw_text(FILE *ps_file, PS_TEXT *t, int nt, float rgb[3], char align) {
int i, len;
if(rgb[0] != -1.0) {
fprintf(ps_file, "%04.2f %04.2f %04.2f rgb\n", rgb[0], rgb[1], rgb[2]);
}
for(i = 0; i < nt; i++) {
fprintf(ps_file, "%d %d m\n", t[i].x, t[i].y);
switch(align) {
case 'c': /* Center */
fprintf(ps_file, "(%s) l_h\n", t[i].text);
break;
case 'r': /* Right */
fprintf(ps_file, "(%s) l_f", t[i].text);
break;
case 'f': /* Center on first character of string. */
len = strlen(t[i].text);
fprintf(ps_file, "(%c) l_h\n", t[i].text[len - 1]);
break;
case 'e': /* Center on last character of string. */
fprintf(ps_file, "(%s) l_f\n", t[i].text);
len = strlen(t[i].text);
fprintf(ps_file, "(%c) r_h\n", t[i].text[len - 1]);
break;
case 'l': default: /* Left. This is the default in postscript. */
break;
}
fprintf(ps_file, "(%s) s\n", t[i].text);
}
}
int char_to_ps_text(PS_TEXT *ps_text, char c, int x_pos, int y_pos) {
ps_text->text = (char *) xmalloc(2 * sizeof(char));
if(NULL == ps_text->text) {
return -1;
}
sprintf(ps_text->text, "%c", c);
ps_text->x = x_pos;
ps_text->y = y_pos;
return 0;
}
int int_to_ps_text(PS_TEXT *ps_text, int num, int x_pos, int y_pos) {
ps_text->text = (char *) xmalloc(30 * sizeof(char));
if(NULL == ps_text->text) {
return -1;
}
sprintf(ps_text->text, "%d", num);
ps_text->x = x_pos;
ps_text->y = y_pos;
return 0;
}
int inch_to_pixel(double inch) {
return ((int) (72.0 * inch));
}
double pixel_to_inch(int pixel) {
return (((double) pixel) / 72.0);
}
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