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sch2fig/: basic field support
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@ -11,7 +11,7 @@
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#
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NAME = sch2fig
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OBJS = main.o sch.o lib.o fig.o text.o
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OBJS = main.o sch.o lib.o fig.o text.o misc.o
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CFLAGS = -g -Wall -Wextra -Wno-unused-parameter
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LIBS = -lm
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@ -28,6 +28,9 @@ $(NAME): $(OBJS)
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NEO900_HW = ../../../n9/ee/hw
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KICAD_LIBS = ../../kicad-libs/components
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sch:
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eeschema test.sch
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test: $(NAME)
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./$(NAME) $(NEO900_HW)/neo900.lib \
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$(KICAD_LIBS)/powered.lib \
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@ -17,6 +17,7 @@
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#include <assert.h>
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#include "util.h"
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#include "misc.h"
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#include "style.h"
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#include "fig.h"
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#include "text.h"
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@ -95,18 +96,6 @@ static struct comp **next_comp = &comps;
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static struct obj **next_obj;
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static inline int mx(int x, int y, int m[6])
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{
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return m[0] + x * m[1] + y * m[2];
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}
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static inline int my(int x, int y, int m[6])
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{
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return m[3] + x * m[4] + y * m[5];
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}
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static void draw_poly(const struct poly *poly, int m[6])
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{
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int n = poly->points;
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@ -151,26 +140,6 @@ static void draw_pin(const struct pin_obj *pin, int m[6])
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}
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static bool eq(int m[6], int xx, int xy, int yx, int yy)
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{
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return m[1] == xx && m[2] == xy && m[4] == yx && m[5] == yy;
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}
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static unsigned matrix_to_angle(int m[6])
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{
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if (eq(m, 1, 0, 0, -1))
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return 0;
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if (eq(m, 0, -1, -1, 0))
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return 90;
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if (eq(m, 0, 1, 1, 0))
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return 270;
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fprintf(stderr, "unrecognized matrix %d %d %d %d\n",
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m[1], m[2], m[4], m[5]);
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exit(1);
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}
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static void draw_text(const struct text_obj *text, int m[6])
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{
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struct text txt = {
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38
sch2fig/misc.c
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38
sch2fig/misc.c
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@ -0,0 +1,38 @@
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/*
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* misc.c - Helper functions for geometry and attributes
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*
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* Written 2016 by Werner Almesberger
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* Copyright 2016 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 <stdio.h>
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#include "misc.h"
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static bool eq(int m[6], int xx, int xy, int yx, int yy)
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{
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return m[1] == xx && m[2] == xy && m[4] == yx && m[5] == yy;
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}
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unsigned matrix_to_angle(int m[6])
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{
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if (eq(m, 1, 0, 0, -1))
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return 0;
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if (eq(m, 0, -1, -1, 0))
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return 90;
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if (eq(m, 0, 1, 1, 0))
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return 270;
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fprintf(stderr, "unrecognized matrix %d %d %d %d\n",
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m[1], m[2], m[4], m[5]);
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exit(1);
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}
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33
sch2fig/misc.h
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33
sch2fig/misc.h
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@ -0,0 +1,33 @@
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/*
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* misc.h - Helper functions for geometry and attributes
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*
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* Written 2016 by Werner Almesberger
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* Copyright 2016 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 MISC_H
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#define MISC_H
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#include <stdbool.h>
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static inline int mx(int x, int y, int m[6])
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{
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return m[0] + x * m[1] + y * m[2];
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}
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static inline int my(int x, int y, int m[6])
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{
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return m[3] + x * m[4] + y * m[5];
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}
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unsigned matrix_to_angle(int m[6]);
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#endif /* !MISC_H */
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129
sch2fig/sch.c
129
sch2fig/sch.c
@ -18,6 +18,7 @@
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#include <string.h>
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#include "util.h"
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#include "misc.h"
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#include "style.h"
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#include "fig.h"
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#include "lib.h"
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@ -56,6 +57,128 @@ static void draw_text(int x, int y, const char *s, int dir, int dim,
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}
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struct sch_field {
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struct text txt;
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struct sch_field *next;
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};
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static bool parse_field(struct sch_ctx *ctx, const char *line)
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{
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unsigned flags;
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char hv, hor, vert, italic, bold;
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struct sch_field *field;
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struct text *txt;
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field = alloc_type(struct sch_field);
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txt = &field->txt;
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if (sscanf(line, "F %*d \"\" %c %d %d %u %u %c %c%c%c",
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&hv, &txt->x, &txt->y, &txt->size, &flags, &hor, &vert,
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&italic, &bold) == 9) {
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free(field);
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return 1;
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}
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if (sscanf(line, "F %*d \"%m[^\"]\" %c %d %d %u %u %c %c%c%c",
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&txt->s, &hv, &txt->x, &txt->y, &txt->size, &flags, &hor, &vert,
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&italic, &bold) != 10)
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return 0;
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if (flags) {
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free(field);
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return 1;
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}
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field->next = ctx->fields;
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ctx->fields = field;
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switch (hv) {
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case 'H':
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txt->rot = 0;
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break;
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case 'V':
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txt->rot = 90;
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break;
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default:
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abort();
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}
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switch (hor) {
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case 'L':
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txt->hor = text_min;
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break;
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case 'C':
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txt->hor = text_mid;
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break;
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case 'R':
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txt->hor = text_max;
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break;
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default:
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abort();
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}
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switch (vert) {
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case 'B':
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txt->vert = text_min;
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break;
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case 'C':
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txt->vert = text_mid;
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break;
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case 'T':
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txt->vert = text_max;
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break;
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default:
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abort();
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}
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// @@@ decode font
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return 1;
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}
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static void dump_fields(struct sch_field *fields, int m[6])
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{
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while (fields) {
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struct text *txt = &fields->txt;
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struct sch_field *next;
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int dx, dy;
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next = fields->next;
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dx = txt->x - m[0];
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dy = txt->y - m[3];
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txt->x = mx(dx, dy, m);
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txt->y = my(dx, dy, m);
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text_rot(txt, matrix_to_angle(m));
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switch (txt->rot) {
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case 180:
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text_rot(txt, 180);
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txt->hor = text_flip(txt->hor);
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txt->vert = text_flip(txt->vert);
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break;
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case 270:
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text_rot(txt, 180);
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txt->vert = text_flip(txt->vert);
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txt->hor = text_flip(txt->hor);
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break;
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default:
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break;
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}
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text_fig(txt, COLOR_FIELD, LAYER_FIELD);
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text_free(txt);
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free(fields);
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fields = next;
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}
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}
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bool sch_parse(struct sch_ctx *ctx, const char *line)
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{
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int n = 0;
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@ -69,6 +192,7 @@ bool sch_parse(struct sch_ctx *ctx, const char *line)
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case sch_basic:
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if (sscanf(line, "$Comp%n", &n) == 0 && n) {
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ctx->state = sch_comp;
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ctx->fields = NULL;
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return 1;
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}
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if (sscanf(line, "$Sheet%n", &n) == 0 && n) {
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@ -166,8 +290,8 @@ bool sch_parse(struct sch_ctx *ctx, const char *line)
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return 1;
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if (sscanf(line, "P %d %d", &ctx->x, &ctx->y) == 2)
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return 1;
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if (sscanf(line, "F%d", &n) == 1)
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return 1; // @@@
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if (parse_field(ctx, line))
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return 1;
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n = sscanf(line, " %d %d %d %d", m + 1, m + 2, m + 4, m + 5);
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if (n == 3)
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return 1;
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@ -175,6 +299,7 @@ bool sch_parse(struct sch_ctx *ctx, const char *line)
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m[0] = ctx->x;
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m[3] = ctx->y;
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lib_exec(ctx->comp, ctx->unit, m);
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dump_fields(ctx->fields, m);
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return 1;
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}
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break;
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char *comp; /* current component */
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unsigned unit; /* unit of current component */
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struct sch_field *fields;
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unsigned lineno;
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};
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@ -16,22 +16,25 @@
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#define COLOR_BLACK 0
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#define COLOR_BLUE 1
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#define COLOR_GREEN4 12
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#define COLOR_CYAN3 16
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#define COLOR_RED4 18
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#define COLOR_RED3 19
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#define COLOR_COMP_DWG COLOR_RED4
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#define COLOR_SHEET_DWG COLOR_BLUE
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#define COLOR_TEXT COLOR_BLACK
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#define COLOR_TEXT COLOR_BLUE
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#define COLOR_WIRE COLOR_GREEN4
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#define COLOR_GLABEL COLOR_RED4
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#define COLOR_FIELD COLOR_CYAN3
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#define FONT_HELVETICA_BOLD 18
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#define LAYER_GLABEL 20
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#define LAYER_TEXT 30
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#define LAYER_WIRES 50
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#define LAYER_LINES 60
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#define LAYER_COMP_DWG 70
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#define LAYER_GLABEL 20
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#define LAYER_FIELD 60
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#define LAYER_LINES 100
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#define LAYER_COMP_DWG 120
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#define WIDTH_WIRE 2
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#define WIDTH_LINE 2
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}
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void text_rot(struct text *txt, int deg)
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{
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txt->rot += deg;
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while (txt->rot < 0)
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txt->rot += 360;
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txt->rot %= 360;
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}
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enum text_align text_flip(enum text_align align)
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{
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switch (align) {
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case text_min:
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return text_max;
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case text_mid:
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return text_mid;
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case text_max:
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return text_max;
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default:
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abort();
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}
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}
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static int rx(int x, int y, int rot)
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{
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float a = rot / 180.0 * M_PI;
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void text_init(struct text *txt);
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void text_free(struct text *txt);
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void text_set(struct text *txt, const char *s);
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void text_rot(struct text *txt, int deg);
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enum text_align text_flip(enum text_align align);
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void text_fig(const struct text *txt, int color, unsigned layer);
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