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cameo/gerber.c: support %FSLAX46Y46*% and %MOMM*%

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This commit is contained in:
Werner Almesberger 2017-02-28 18:38:23 -03:00
parent e3cd91bc40
commit 503036c22e
1 changed files with 13 additions and 6 deletions
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19
cameo/gerber.c
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@ -1,8 +1,8 @@
/*
* gerber.c - Gerber file input
*
* Written 2010, 2013, 2015 by Werner Almesberger
* Copyright 2010, 2013, 2015 Werner Almesberger
* Written 2010, 2013, 2015, 2017 by Werner Almesberger
* Copyright 2010, 2013, 2015, 2017 Werner Almesberger
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
@ -27,9 +27,9 @@
#include "gerber.h"
/* KiCad Gerber uses 0.1 mil units */
static double scale; /* KiCad Gerber units */
#define KU2MM(in) ((in)/10000.0*25.4)
#define KU2MM(in) ((in)/scale)
/*
@ -90,15 +90,22 @@ struct path *gerber_read(const char *name, double r_tool_default)
while (fgets(buf, sizeof(buf), file)) {
lineno++;
if (!strncmp(buf, "%FS", 3)) {
if (strcmp(buf, "%FSLAX34Y34*%\n")) {
if (!strcmp(buf, "%FSLAX34Y34*%\n")) {
scale = 10 * 1000;
} else if (!strcmp(buf, "%FSLAX46Y46*%\n")) {
scale = 1000 * 1000;
} else {
fprintf(stderr,
"unrecognized format %s\n", buf);
exit(1);
}
continue;
}
/* @@@ we assume that %MO follows %FS */
if (!strncmp(buf, "%MO", 3)) {
if (strcmp(buf, "%MOIN*%\n")) {
if (!strcmp(buf, "%MOIN*%\n")) {
scale /= 25.4;
} else if (strcmp(buf, "%MOMM*%\n")) {
fprintf(stderr,
"unrecognized mode %s\n", buf);
exit(1);