mirror of
git://projects.qi-hardware.com/fped.git
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2737f8a3fa
- postscript.c: fixed algorithm in "center" - dump.c: reorder frames if we would end up with forward-references - sc89.fpd, fbga.fpd: changed "part" to new "package" git-svn-id: http://svn.openmoko.org/trunk/eda/fped@5490 99fdad57-331a-0410-800a-d7fa5415bdb3
417 lines
11 KiB
C
417 lines
11 KiB
C
/*
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* postscript.c - Dump objects in Postscript
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*
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* Written 2009 by Werner Almesberger
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* Copyright 2009 by Werner Almesberger
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include "coord.h"
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#include "inst.h"
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#include "gui_status.h"
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#include "gui_inst.h"
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#include "postscript.h"
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#define PS_DOT_DIST mm_to_units(0.03)
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#define PS_DOT_DIAM mm_to_units(0.01)
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#define PS_HATCH mm_to_units(0.1)
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#define PS_HATCH_LINE mm_to_units(0.015)
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#define PS_FONT_OUTLINE mm_to_units(0.025)
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#define PS_MEAS_LINE mm_to_units(0.015)
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#define PS_MEAS_ARROW_LEN mm_to_units(0.07)
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#define PS_MEAS_ARROW_ANGLE 30
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#define PS_MEAS_TEXT_HEIGHT mm_to_units(0.2)
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#define PS_MEAS_BASE_OFFSET mm_to_units(0.05)
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#define PS_CROSS_WIDTH mm_to_units(0.01)
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#define PS_CROSS_DASH mm_to_units(0.1)
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struct postscript_params postscript_params = {
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.zoom = 10.0,
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.show_pad_names = 1,
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.show_stuff = 0,
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.label_vecs = 0,
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.show_meas = 1,
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};
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static void ps_pad_name(FILE *file, const struct inst *inst)
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{
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struct coord a = inst->base;
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struct coord b = inst->u.pad.other;
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unit_type h, w;
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h = a.y-b.y;
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w = a.x-b.x;
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if (h < 0)
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h = -h;
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if (w < 0)
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w = -w;
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fprintf(file, "0 setgray /Helvetica-Bold findfont dup\n");
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fprintf(file, " (%s) %d %d\n", inst->u.pad.name, w/2, h/2);
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fprintf(file, " 4 copy 100 maxfont\n");
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fprintf(file, " maxfont scalefont setfont\n");
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fprintf(file, " %d %d moveto\n", (a.x+b.x)/2, (a.y+b.y)/2);
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fprintf(file, " (%s) center %d showoutlined newpath\n",
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inst->u.pad.name, PS_FONT_OUTLINE);
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}
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static void ps_pad(FILE *file, const struct inst *inst, int show_name)
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{
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struct coord a = inst->base;
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struct coord b = inst->u.pad.other;
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fprintf(file, "0 setgray %d setlinewidth\n", PS_HATCH_LINE);
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fprintf(file, " %d %d moveto\n", a.x, a.y);
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fprintf(file, " %d %d lineto\n", b.x, a.y);
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fprintf(file, " %d %d lineto\n", b.x, b.y);
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fprintf(file, " %d %d lineto\n", a.x, b.y);
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fprintf(file, " closepath gsave crosspath grestore stroke\n");
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if (show_name)
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ps_pad_name(file, inst);
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}
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static void ps_rpad(FILE *file, const struct inst *inst, int show_name)
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{
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struct coord a = inst->base;
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struct coord b = inst->u.pad.other;
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unit_type h, w, r;
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sort_coord(&a, &b);
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h = b.y-a.y;
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w = b.x-a.x;
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fprintf(file, "0 setgray %d setlinewidth\n", PS_HATCH_LINE);
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if (h > w) {
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r = w/2;
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fprintf(file, " %d %d moveto\n", b.x, b.y-r);
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fprintf(file, " %d %d %d 0 180 arc\n", a.x+r, b.y-r, r);
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fprintf(file, " %d %d lineto\n", a.x, a.y+r);
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fprintf(file, " %d %d %d 180 360 arc\n", a.x+r, a.y+r, r);
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} else {
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r = h/2;
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fprintf(file, " %d %d moveto\n", b.x-r, a.y);
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fprintf(file, " %d %d %d -90 90 arc\n", b.x-r, a.y+r, r);
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fprintf(file, " %d %d lineto\n", a.x+r, b.y);
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fprintf(file, " %d %d %d 90 270 arc\n", a.x+r, a.y+r, r);
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}
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fprintf(file, " closepath gsave hatchpath grestore stroke\n");
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if (show_name)
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ps_pad_name(file, inst);
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}
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static void ps_line(FILE *file, const struct inst *inst)
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{
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struct coord a = inst->base;
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struct coord b = inst->u.rect.end;
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fprintf(file, "1 setlinecap 0.5 setgray %d setlinewidth\n",
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inst->u.rect.width);
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fprintf(file, " %d %d moveto %d %d lineto stroke\n",
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a.x, a.y, b.x, b.y);
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}
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static void ps_rect(FILE *file, const struct inst *inst)
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{
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struct coord a = inst->base;
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struct coord b = inst->u.rect.end;
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fprintf(file, "1 setlinecap 0.5 setgray %d setlinewidth\n",
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inst->u.rect.width);
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fprintf(file, " %d %d moveto\n", a.x, a.y);
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fprintf(file, " %d %d lineto\n", b.x, a.y);
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fprintf(file, " %d %d lineto\n", b.x, b.y);
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fprintf(file, " %d %d lineto\n", a.x, b.y);
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fprintf(file, " closepath stroke\n");
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}
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static void ps_arc(FILE *file, const struct inst *inst)
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{
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double a1, a2;
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a1 = inst->u.arc.a1;
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a2 = inst->u.arc.a2;
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if (a2 <= a1)
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a2 += 360;
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fprintf(file, "1 setlinecap 0.5 setgray %d setlinewidth\n",
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inst->u.arc.width);
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fprintf(file, " newpath %d %d %d %f %f arc stroke\n",
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inst->base.x, inst->base.y, inst->u.arc.r, a1, a2);
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}
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static void ps_frame(FILE *file, const struct inst *inst)
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{
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}
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static void ps_vec(FILE *file, const struct inst *inst)
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{
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}
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static void ps_arrow(FILE *file, struct coord from, struct coord to, int len,
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int angle)
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{
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struct coord side, p;
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if (from.x == to.x && from.y == to.y) {
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side.x = 0;
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side.y = -len;
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} else {
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side = normalize(sub_vec(to, from), len);
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}
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p = add_vec(to, rotate(side, 180-angle));
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fprintf(file, " %d %d moveto\n", p.x, p.y);
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fprintf(file, " %d %d lineto\n", to.x, to.y);
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p = add_vec(to, rotate(side, 180+angle));
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fprintf(file, " %d %d moveto\n", p.x, p.y);
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fprintf(file, " %d %d lineto\n", to.x, to.y);
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fprintf(file, " stroke\n");
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}
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static void ps_meas(FILE *file, const struct inst *inst,
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enum curr_unit unit)
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{
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struct coord a0, b0, a1, b1;
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struct coord c, d;
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char *s;
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a0 = inst->base;
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b0 = inst->u.meas.end;
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project_meas(inst, &a1, &b1);
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fprintf(file, "1 setlinecap 0 setgray %d setlinewidth\n", PS_MEAS_LINE);
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fprintf(file, " %d %d moveto\n", a0.x, a0.y);
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fprintf(file, " %d %d lineto\n", a1.x, a1.y);
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fprintf(file, " %d %d lineto\n", b1.x, b1.y);
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fprintf(file, " %d %d lineto\n", b0.x, b0.y);
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fprintf(file, " stroke\n");
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ps_arrow(file, a1, b1, PS_MEAS_ARROW_LEN, PS_MEAS_ARROW_ANGLE);
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ps_arrow(file, b1, a1, PS_MEAS_ARROW_LEN, PS_MEAS_ARROW_ANGLE);
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s = format_len(inst->obj->u.meas.label ? inst->obj->u.meas.label : "",
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dist_point(a1, b1), unit);
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c = add_vec(a1, b1);
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d = sub_vec(b1, a1);
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//s = stralloc_printf("%s%lgmm", meas->label ? meas->label : "", len);
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fprintf(file, "gsave %d %d moveto\n", c.x/2, c.y/2);
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fprintf(file, " /Helvetica-Bold findfont dup\n");
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fprintf(file, " (%s) %d %d\n", s,
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(int) (dist_point(a1, b1)-1.5*PS_MEAS_ARROW_LEN),
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PS_MEAS_TEXT_HEIGHT);
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fprintf(file, " 4 copy 100 maxfont maxfont scalefont setfont\n");
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fprintf(file, " %f rotate\n", atan2(d.y, d.x)/M_PI*180);
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fprintf(file, " (%s) %d hcenter\n", s, PS_MEAS_BASE_OFFSET);
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fprintf(file, " show grestore\n");
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free(s);
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}
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static void ps_background(FILE *file, enum inst_prio prio,
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const struct inst *inst)
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{
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switch (prio) {
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case ip_line:
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ps_line(file, inst);
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break;
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case ip_rect:
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ps_rect(file, inst);
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break;
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case ip_circ:
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case ip_arc:
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ps_arc(file, inst);
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break;
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default:
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break;
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}
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}
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static void ps_foreground(FILE *file, enum inst_prio prio,
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const struct inst *inst)
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{
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switch (prio) {
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case ip_pad:
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if (inst->obj->u.pad.rounded)
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ps_rpad(file, inst, postscript_params.show_pad_names);
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else
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ps_pad(file, inst, postscript_params.show_pad_names);
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break;
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case ip_vec:
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if (postscript_params.show_stuff)
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ps_vec(file, inst);
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break;
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case ip_frame:
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if (postscript_params.show_stuff)
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ps_frame(file, inst);
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break;
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case ip_meas:
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if (postscript_params.show_meas)
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ps_meas(file, inst, curr_unit);
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break;
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default:
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break;
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}
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}
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static void ps_cross(FILE *file, const struct inst *inst)
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{
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fprintf(file, "gsave 0 setgray %d setlinewidth\n", PS_CROSS_WIDTH);
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fprintf(file, " [%d] 0 setdash\n", PS_CROSS_DASH);
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fprintf(file, " %d 0 moveto %d 0 lineto\n",
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inst->bbox.min.x, inst->bbox.max.x);
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fprintf(file, " 0 %d moveto 0 %d lineto\n",
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inst->bbox.min.y, inst->bbox.max.y);
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fprintf(file, " stroke grestore \n");
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}
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int postscript(FILE *file)
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{
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enum inst_prio prio;
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const struct inst *inst;
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int i;
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fprintf(file, "%%!PS\n");
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fprintf(file,
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"currentpagedevice /PageSize get\n"
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" aload pop\n"
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" 2 div exch 2 div exch\n"
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" translate\n"
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" %f 72 mul %d div 1000 div dup scale\n",
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(double) postscript_params.zoom , (int) MIL_UNITS);
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fprintf(file,
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"/dotpath {\n"
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" gsave flattenpath pathbbox clip newpath\n"
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" 1 setlinecap %d setlinewidth\n"
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" /ury exch def /urx exch def /lly exch def /llx exch def\n"
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" llx %d urx {\n"
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" lly %d ury {\n"
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" 1 index exch moveto 0 0 rlineto stroke\n"
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" } for\n"
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" } for\n"
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" grestore newpath } def\n", PS_DOT_DIAM, PS_DOT_DIST, PS_DOT_DIST);
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fprintf(file,
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"/hatchpath {\n"
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" gsave flattenpath pathbbox clip newpath\n"
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" /ury exch def /urx exch def /lly exch def /llx exch def\n"
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" lly ury sub %d urx llx sub {\n" /* for -(ury-lly) to urx-llx */
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" llx add dup lly moveto\n"
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" ury lly sub add ury lineto stroke\n"
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" } for\n"
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" grestore newpath } def\n", PS_HATCH);
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fprintf(file,
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"/backhatchpath {\n"
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" gsave flattenpath pathbbox clip newpath\n"
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" /ury exch def /urx exch def /lly exch def /llx exch def\n"
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" 0 %d ury lly sub urx llx sub add {\n" /* for 0 to urx-llx_ury-lly */
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" llx add dup lly moveto\n"
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" ury lly sub sub ury lineto stroke\n"
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" } for\n"
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" grestore newpath } def\n", PS_HATCH);
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fprintf(file,
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"/crosspath {\n"
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" gsave hatchpath grestore backhatchpath } def\n");
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/*
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* Stack: font string width height factor -> factor
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*/
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fprintf(file,
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"/maxfont {\n"
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" gsave 0 0 moveto\n"
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" /f exch def /h exch def /w exch def\n"
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" exch f scalefont setfont\n"
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" false charpath flattenpath pathbbox\n"
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" /ury exch def /urx exch def /lly exch def /llx exch def\n"
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" w urx llx sub div h ury lly sub div 2 copy gt { exch } if pop\n"
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" f mul grestore } def\n");
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/*
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* Stack: string -> string
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*/
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fprintf(file,
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"/center {\n"
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" currentpoint /y exch def /x exch def\n"
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" gsave dup false charpath flattenpath pathbbox\n"
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" /ury exch def /urx exch def\n"
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" /lly exch def /llx exch def\n"
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" grestore\n"
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" x llx urx add 2 div sub y lly ury add 2 div sub rmoveto } def\n");
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/*
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* Stack: string dist -> string
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*/
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fprintf(file,
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"/hcenter {\n"
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" /off exch def\n"
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" gsave dup false charpath flattenpath pathbbox\n"
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" /ury exch def /urx exch def /lly exch def /llx exch def\n"
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" grestore\n"
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" llx urx sub 2 div\n"
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" currentpoint exch pop lly sub off add rmoveto } def\n");
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/*
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* Stack: string outline_width -> -
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*/
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fprintf(file,
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"/showoutlined {\n"
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" gsave 2 mul setlinewidth 1 setgray\n"
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" dup false charpath flattenpath stroke grestore\n"
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" show } def\n");
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/*
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* Stack: string -> string
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*/
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fprintf(file,
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"/debugbox { gsave dup false charpath flattenpath pathbbox\n"
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" /ury exch def /urx exch def /lly exch def /llx exch def\n"
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" 0 setgray 100 setlinewidth\n"
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" llx lly urx llx sub ury lly sub rectstroke grestore } def\n");
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ps_cross(file, pkgs->insts[ip_frame]);
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FOR_INST_PRIOS_UP(prio)
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FOR_ALL_INSTS(i, prio, inst)
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ps_background(file, prio, inst);
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FOR_INST_PRIOS_UP(prio)
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FOR_ALL_INSTS(i, prio, inst)
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ps_foreground(file, prio, inst);
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fprintf(file, "showpage\n");
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fprintf(file, "%%%%EOF\n");
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fflush(file);
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return !ferror(file);
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}
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