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sch2fig/: basic field support

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This commit is contained in:
Werner Almesberger 2016-07-23 14:59:37 -03:00
parent 6e6e68e445
commit da22f1cc57
9 changed files with 237 additions and 40 deletions
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5
sch2fig/Makefile
View File

@ -11,7 +11,7 @@
#
NAME = sch2fig
OBJS = main.o sch.o lib.o fig.o text.o
OBJS = main.o sch.o lib.o fig.o text.o misc.o
CFLAGS = -g -Wall -Wextra -Wno-unused-parameter
LIBS = -lm
@ -28,6 +28,9 @@ $(NAME): $(OBJS)
NEO900_HW = ../../../n9/ee/hw
KICAD_LIBS = ../../kicad-libs/components
sch:
eeschema test.sch
test: $(NAME)
./$(NAME) $(NEO900_HW)/neo900.lib \
$(KICAD_LIBS)/powered.lib \

33
sch2fig/lib.c
View File

@ -17,6 +17,7 @@
#include <assert.h>
#include "util.h"
#include "misc.h"
#include "style.h"
#include "fig.h"
#include "text.h"
@ -95,18 +96,6 @@ static struct comp **next_comp = &comps;
static struct obj **next_obj;
static inline int mx(int x, int y, int m[6])
{
return m[0] + x * m[1] + y * m[2];
}
static inline int my(int x, int y, int m[6])
{
return m[3] + x * m[4] + y * m[5];
}
static void draw_poly(const struct poly *poly, int m[6])
{
int n = poly->points;
@ -151,26 +140,6 @@ static void draw_pin(const struct pin_obj *pin, int m[6])
}
static bool eq(int m[6], int xx, int xy, int yx, int yy)
{
return m[1] == xx && m[2] == xy && m[4] == yx && m[5] == yy;
}
static unsigned matrix_to_angle(int m[6])
{
if (eq(m, 1, 0, 0, -1))
return 0;
if (eq(m, 0, -1, -1, 0))
return 90;
if (eq(m, 0, 1, 1, 0))
return 270;
fprintf(stderr, "unrecognized matrix %d %d %d %d\n",
m[1], m[2], m[4], m[5]);
exit(1);
}
static void draw_text(const struct text_obj *text, int m[6])
{
struct text txt = {

38
sch2fig/misc.c Normal file
View File

@ -0,0 +1,38 @@
/*
* misc.c - Helper functions for geometry and attributes
*
* Written 2016 by Werner Almesberger
* Copyright 2016 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include "misc.h"
static bool eq(int m[6], int xx, int xy, int yx, int yy)
{
return m[1] == xx && m[2] == xy && m[4] == yx && m[5] == yy;
}
unsigned matrix_to_angle(int m[6])
{
if (eq(m, 1, 0, 0, -1))
return 0;
if (eq(m, 0, -1, -1, 0))
return 90;
if (eq(m, 0, 1, 1, 0))
return 270;
fprintf(stderr, "unrecognized matrix %d %d %d %d\n",
m[1], m[2], m[4], m[5]);
exit(1);
}

33
sch2fig/misc.h Normal file
View File

@ -0,0 +1,33 @@
/*
* misc.h - Helper functions for geometry and attributes
*
* Written 2016 by Werner Almesberger
* Copyright 2016 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
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#ifndef MISC_H
#define MISC_H
#include <stdbool.h>
static inline int mx(int x, int y, int m[6])
{
return m[0] + x * m[1] + y * m[2];
}
static inline int my(int x, int y, int m[6])
{
return m[3] + x * m[4] + y * m[5];
}
unsigned matrix_to_angle(int m[6]);
#endif /* !MISC_H */

129
sch2fig/sch.c
View File

@ -18,6 +18,7 @@
#include <string.h>
#include "util.h"
#include "misc.h"
#include "style.h"
#include "fig.h"
#include "lib.h"
@ -56,6 +57,128 @@ static void draw_text(int x, int y, const char *s, int dir, int dim,
}
struct sch_field {
struct text txt;
struct sch_field *next;
};
static bool parse_field(struct sch_ctx *ctx, const char *line)
{
unsigned flags;
char hv, hor, vert, italic, bold;
struct sch_field *field;
struct text *txt;
field = alloc_type(struct sch_field);
txt = &field->txt;
if (sscanf(line, "F %*d \"\" %c %d %d %u %u %c %c%c%c",
&hv, &txt->x, &txt->y, &txt->size, &flags, &hor, &vert,
&italic, &bold) == 9) {
free(field);
return 1;
}
if (sscanf(line, "F %*d \"%m[^\"]\" %c %d %d %u %u %c %c%c%c",
&txt->s, &hv, &txt->x, &txt->y, &txt->size, &flags, &hor, &vert,
&italic, &bold) != 10)
return 0;
if (flags) {
free(field);
return 1;
}
field->next = ctx->fields;
ctx->fields = field;
switch (hv) {
case 'H':
txt->rot = 0;
break;
case 'V':
txt->rot = 90;
break;
default:
abort();
}
switch (hor) {
case 'L':
txt->hor = text_min;
break;
case 'C':
txt->hor = text_mid;
break;
case 'R':
txt->hor = text_max;
break;
default:
abort();
}
switch (vert) {
case 'B':
txt->vert = text_min;
break;
case 'C':
txt->vert = text_mid;
break;
case 'T':
txt->vert = text_max;
break;
default:
abort();
}
// @@@ decode font
return 1;
}
static void dump_fields(struct sch_field *fields, int m[6])
{
while (fields) {
struct text *txt = &fields->txt;
struct sch_field *next;
int dx, dy;
next = fields->next;
dx = txt->x - m[0];
dy = txt->y - m[3];
txt->x = mx(dx, dy, m);
txt->y = my(dx, dy, m);
text_rot(txt, matrix_to_angle(m));
switch (txt->rot) {
case 180:
text_rot(txt, 180);
txt->hor = text_flip(txt->hor);
txt->vert = text_flip(txt->vert);
break;
case 270:
text_rot(txt, 180);
txt->vert = text_flip(txt->vert);
txt->hor = text_flip(txt->hor);
break;
default:
break;
}
text_fig(txt, COLOR_FIELD, LAYER_FIELD);
text_free(txt);
free(fields);
fields = next;
}
}
bool sch_parse(struct sch_ctx *ctx, const char *line)
{
int n = 0;
@ -69,6 +192,7 @@ bool sch_parse(struct sch_ctx *ctx, const char *line)
case sch_basic:
if (sscanf(line, "$Comp%n", &n) == 0 && n) {
ctx->state = sch_comp;
ctx->fields = NULL;
return 1;
}
if (sscanf(line, "$Sheet%n", &n) == 0 && n) {
@ -166,8 +290,8 @@ bool sch_parse(struct sch_ctx *ctx, const char *line)
return 1;
if (sscanf(line, "P %d %d", &ctx->x, &ctx->y) == 2)
return 1;
if (sscanf(line, "F%d", &n) == 1)
return 1; // @@@
if (parse_field(ctx, line))
return 1;
n = sscanf(line, " %d %d %d %d", m + 1, m + 2, m + 4, m + 5);
if (n == 3)
return 1;
@ -175,6 +299,7 @@ bool sch_parse(struct sch_ctx *ctx, const char *line)
m[0] = ctx->x;
m[3] = ctx->y;
lib_exec(ctx->comp, ctx->unit, m);
dump_fields(ctx->fields, m);
return 1;
}
break;

2
sch2fig/sch.h
View File

@ -46,7 +46,7 @@ struct sch_ctx {
char *comp; /* current component */
unsigned unit; /* unit of current component */
struct sch_field *fields;
unsigned lineno;
};

11
sch2fig/style.h
View File

@ -16,22 +16,25 @@
#define COLOR_BLACK 0
#define COLOR_BLUE 1
#define COLOR_GREEN4 12
#define COLOR_CYAN3 16
#define COLOR_RED4 18
#define COLOR_RED3 19
#define COLOR_COMP_DWG COLOR_RED4
#define COLOR_SHEET_DWG COLOR_BLUE
#define COLOR_TEXT COLOR_BLACK
#define COLOR_TEXT COLOR_BLUE
#define COLOR_WIRE COLOR_GREEN4
#define COLOR_GLABEL COLOR_RED4
#define COLOR_FIELD COLOR_CYAN3
#define FONT_HELVETICA_BOLD 18
#define LAYER_GLABEL 20
#define LAYER_TEXT 30
#define LAYER_WIRES 50
#define LAYER_LINES 60
#define LAYER_COMP_DWG 70
#define LAYER_GLABEL 20
#define LAYER_FIELD 60
#define LAYER_LINES 100
#define LAYER_COMP_DWG 120
#define WIDTH_WIRE 2
#define WIDTH_LINE 2

23
sch2fig/text.c
View File

@ -47,6 +47,29 @@ void text_set(struct text *txt, const char *s)
}
void text_rot(struct text *txt, int deg)
{
txt->rot += deg;
while (txt->rot < 0)
txt->rot += 360;
txt->rot %= 360;
}
enum text_align text_flip(enum text_align align)
{
switch (align) {
case text_min:
return text_max;
case text_mid:
return text_mid;
case text_max:
return text_max;
default:
abort();
}
}
static int rx(int x, int y, int rot)
{
float a = rot / 180.0 * M_PI;

3
sch2fig/text.h
View File

@ -34,7 +34,10 @@ struct text {
void text_init(struct text *txt);
void text_free(struct text *txt);
void text_set(struct text *txt, const char *s);
void text_rot(struct text *txt, int deg);
enum text_align text_flip(enum text_align align);
void text_fig(const struct text *txt, int color, unsigned layer);