mirror of
git://projects.qi-hardware.com/eda-tools.git
synced 2024-11-05 03:47:10 +02:00
eeshow/kicad/pl.h, pl-parse.c, pl-render.c: page layout support (WIP)
We currently only do lines, no text.
This commit is contained in:
Werner Almesberger
parent
83c452c522
commit
2d964c0f35
@ -16,6 +16,7 @@ NAME = eeshow
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OBJS = main.o version.o \
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kicad/sch-parse.o kicad/sch-render.o kicad/lib-parse.o \
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kicad/lib-render.o kicad/dwg.o kicad/delta.o kicad/sexpr.o \
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kicad/pl-parse.o kicad/pl-render.o \
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gui/gui.o gui/over.o gui/style.o gui/aoi.o gui/fmt-pango.o gui/input.o \
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gui/progress.o gui/glabel.o gui/sheet.o gui/history.o gui/render.o \
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gui/help.o gui/icons.o \
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304
eeshow/kicad/pl-parse.c
Normal file
304
eeshow/kicad/pl-parse.c
Normal file
@ -0,0 +1,304 @@
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/*
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* kicad/pl-parse.c - KiCad page layout parser
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*
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* Written 2016 by Werner Almesberger
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* Copyright 2016 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 <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include "misc/util.h"
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#include "misc/diag.h"
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#include "file/file.h"
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#include "kicad/sexpr.h"
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#include "kicad/pl-common.h"
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#include "kicad/pl.h"
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static bool get_coord(const struct expr *e,
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float *x, float *y, int *dx, int *dy)
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{
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unsigned n = 0;
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*dx = -1;
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*dy = -1;
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for (; e; e = e->next) {
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if (e->e)
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continue;
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if (!strcmp(e->s, "ltcorner")) {
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*dx = *dy = 1;
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} else if (!strcmp(e->s, "lbcorner")) {
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*dx = 1;
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*dy = -1;
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} else if (!strcmp(e->s, "rtcorner")) {
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*dx = -1;
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*dy = 1;
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} else if (!strcmp(e->s, "rbcorner")) {
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*dx = *dy = -1;
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} else {
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char *end;
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float f = strtof(e->s, &end);
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if (*end) {
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error("no a number \"%s\"\n", e->s);
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return 0;
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}
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if (n++)
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*y = f;
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else
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*x = f;
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}
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}
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switch (n) {
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case 0:
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case 1:
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error("no enough coordinates\n");
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return 0;
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case 2:
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return 1;
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default:
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error("too many coordinates\n");
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return 0;
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}
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}
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static bool get_float(const struct expr *e, float *f)
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{
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for (; e; e = e->next)
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if (e->s) {
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*f = atof(e->s); // @@@ error checking
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return 1;
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}
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error("no number found\n");
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return 0;
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}
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static bool get_int(const struct expr *e, int *n)
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{
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for (; e; e = e->next)
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if (e->s) {
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*n = atoi(e->s); // @@@ error checking
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return 1;
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}
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error("no number found\n");
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return 0;
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}
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static bool process_setup(struct pl_ctx *p, const struct expr *e)
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{
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const char *s;
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const struct expr *next;
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for (; e; e = e->next) {
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if (!e->e) {
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warning("ignoring non-list\n");
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continue;
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}
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s = e->e->s;
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next = e->e->next;
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if (!strcmp(s, "comment"))
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continue;
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if (!strcmp(s, "textsize")) {
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// meh
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} else if (!strcmp(s, "linewidth")) {
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// meh
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} else if (!strcmp(s, "textlinewidth")) {
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// meh
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} else if (!strcmp(s, "left_margin")) {
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if (!get_float(next, &p->l))
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return 0;
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} else if (!strcmp(s, "right_margin")) {
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if (!get_float(next, &p->r))
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return 0;
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} else if (!strcmp(s, "top_margin")) {
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if (!get_float(next, &p->t))
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return 0;
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} else if (!strcmp(s, "bottom_margin")) {
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if (!get_float(next, &p->b))
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return 0;
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} else {
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warning("ignoring \"%s\"\n", s);
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}
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}
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return 1;
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}
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static bool process_obj(struct pl_ctx *pl, const struct expr *e,
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enum pl_obj_type type)
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{
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struct pl_obj *obj;
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const char *s;
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const struct expr *next;
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obj = alloc_type(struct pl_obj);
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obj->type = type;
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obj->s = NULL;
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obj->repeat = 1;
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obj->x = obj->y = obj->ex = obj->ey = 0;
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obj->dx = obj->dy = 0;
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obj->incrx = 0;
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obj->incry = 0;
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obj->incrlabel = 0;
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for (; e; e = e->next) {
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if (!e->e) {
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warning("ignoring non-list\n");
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continue;
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}
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s = e->e->s;
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next = e->e->next;
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if (!strcmp(s, "comment"))
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continue;
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if (!strcmp(s, "name"))
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continue;
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if (!strcmp(s, "linewidth")) {
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// meh
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} else if (!strcmp(s, "start") || !strcmp(s, "pos")) {
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if (!get_coord(next, &obj->x, &obj->y,
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&obj->dx, &obj->dy))
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return 0;
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} else if (!strcmp(s, "end")) {
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if (!get_coord(next, &obj->ex, &obj->ey,
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&obj->edx, &obj->edy))
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return 0;
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} else if (!strcmp(s, "repeat")) {
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if (!get_int(next, &obj->repeat))
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return 0;
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} else if (!strcmp(s, "incrx")) {
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if (!get_float(next, &obj->incrx))
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return 0;
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} else if (!strcmp(s, "incry")) {
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if (!get_float(next, &obj->incry))
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return 0;
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} else if (!strcmp(s, "incrlabel")) {
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if (!get_int(next, &obj->incrlabel))
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return 0;
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} else
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warning("ignoring \"%s\"\n", s);
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}
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obj->next = pl->objs;
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pl->objs = obj;
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return 1;
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}
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static bool process_layout(struct pl_ctx *pl, const struct expr *e)
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{
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const char *s;
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const struct expr *next;
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for (; e; e = e->next) {
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if (!e->e) {
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warning("ignoring non-list\n");
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continue;
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}
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s = e->e->s;
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next = e->e->next;
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if (!strcmp(s, "comment"))
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continue;
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if (!strcmp(s, "setup")) {
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if (!process_setup(pl, next))
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return 0;
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} else if (!strcmp(s, "rect")) {
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if (!process_obj(pl, next, pl_obj_rect))
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return 0;
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} else if (!strcmp(s, "line")) {
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if (!process_obj(pl, next, pl_obj_line))
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return 0;
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} else if (!strcmp(s, "tbtext")) {
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if (!process_obj(pl, next, pl_obj_text))
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return 0;
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} else {
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warning("ignoring \"%s\"\n", s);
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}
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}
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return 1;
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}
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static bool process(struct pl_ctx *p, const struct expr *e)
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{
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while (e) {
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if (e->e && e->e->s && !strcmp(e->e->s, "page_layout") &&
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e->e->next && e->e->next->e)
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return process_layout(p, e->e->next);
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e = e->next;
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}
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error("no layout information found\n");
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return 0;
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}
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static bool pl_parse_line(const struct file *file,
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void *user, const char *line)
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{
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struct pl_ctx *pl = user;
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return sexpr_parse(pl->sexpr_ctx, line);
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}
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struct pl_ctx *pl_parse(struct file *file)
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{
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struct pl_ctx *pl;
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struct expr *e = NULL;
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pl = alloc_type(struct pl_ctx);
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pl->sexpr_ctx = sexpr_new();
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pl->l = pl->r = pl->t = pl->b = 0;
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pl->objs = NULL;
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if (!file_read(file, pl_parse_line, pl)) {
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sexpr_abort(pl->sexpr_ctx);
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goto fail;
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}
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if (!sexpr_finish(pl->sexpr_ctx, &e))
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goto fail;
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if (!process(pl, e))
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goto fail;
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free_expr(e);
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return pl;
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fail:
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free_expr(e);
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free(pl);
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return 0;
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}
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void pl_free(struct pl_ctx *pl)
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{
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struct pl_obj *next;
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while (pl->objs) {
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next = pl->objs->next;
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free((void *) pl->objs->s);
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free(pl->objs);
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pl->objs = next;
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}
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free(pl);
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}
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104
eeshow/kicad/pl-render.c
Normal file
104
eeshow/kicad/pl-render.c
Normal file
@ -0,0 +1,104 @@
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/*
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* kicad/pl-render.c - RenderKiCad page layout
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*
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* Written 2016 by Werner Almesberger
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* Copyright 2016 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 <stdbool.h>
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#include <stdlib.h>
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#include <string.h>
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#include "misc/util.h"
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#include "misc/diag.h"
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#include "gfx/style.h"
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#include "gfx/gfx.h"
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#include "kicad/pl-common.h"
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#include "kicad/pl.h"
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/*
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* Eeschema works in mil
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* Page layouts are in mm
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*/
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static int mil(float mm)
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{
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return mm / 25.4 * 1000;
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}
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static int cx(int x, int dx, int xo, int xe)
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{
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return dx >= 0 ? xo + x : xe - x;
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}
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static int cy(int y, int dy, int yo, int ye)
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{
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return dy >= 0 ? yo + y : ye - y;
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}
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static void render_obj(const struct pl_ctx *pl, const struct pl_obj *obj,
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unsigned i, int w, int h)
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{
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int xo = mil(pl->l);
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int yo = mil(pl->r);
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int xe = w - mil(pl->t);
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int ye = h - mil(pl->b);
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int x = mil(obj->x + i * obj->incrx);
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int y = mil(obj->y + i * obj->incry);
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int ex = mil(obj->ex + i * obj->incrx);
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int ey = mil(obj->ey + i * obj->incry);
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int ww = xe - xo;
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int hh = ye - yo;
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if (x < 0 || y < 0 || ex < 0 || ey < 0)
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return;
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if (x > ww || y > hh || ex > ww || ey > hh)
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return;
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switch (obj->type) {
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case pl_obj_rect:
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gfx_rect(
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cx(x, obj->dx, xo, xe), cy(y, obj->dy, yo, ye),
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cx(ex, obj->edx, xo, xe), cy(ey, obj->edy, yo, ye),
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COLOR_COMP_DWG, COLOR_NONE, LAYER_COMP_DWG);
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break;
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case pl_obj_line: {
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int vx[] = {
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cx(x, obj->dx, xo, xe),
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cx(ex, obj->edx, xo, xe)
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};
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int vy[] = {
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cy(y, obj->dy, yo, ye),
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cy(ey, obj->edy, yo, ye)
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};
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gfx_poly(2, vx, vy,
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COLOR_COMP_DWG, COLOR_NONE, LAYER_COMP_DWG);
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}
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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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void pl_render(struct pl_ctx *pl, int w, int h)
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{
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const struct pl_obj *obj;
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int i;
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for (obj = pl->objs; obj; obj = obj->next)
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for (i = 0; i != obj->repeat; i++)
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render_obj(pl, obj, i, w, h);
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}
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28
eeshow/kicad/pl.h
Normal file
28
eeshow/kicad/pl.h
Normal file
@ -0,0 +1,28 @@
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/*
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* kicad/pl.h - KiCad page layout
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*
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* Written 2016 by Werner Almesberger
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* Copyright 2016 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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#ifndef KICAD_PL_H
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#define KICAD_PL_H
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#include "file/file.h"
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struct pl_ctx;
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void pl_render(struct pl_ctx *pl, int w, int h);
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struct pl_ctx *pl_parse(struct file *file);
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void pl_free(struct pl_ctx *pl);
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#endif /* !KICAD_PL_H */
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Reference in New Issue
Block a user