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sch2fig/: partial glabel support; ongoing development

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This commit is contained in:
Werner Almesberger 2016-07-23 06:58:21 -03:00
parent d0bff77b9c
commit 6e6e68e445
8 changed files with 221 additions and 33 deletions
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3
sch2fig/Makefile
View File

@ -14,6 +14,7 @@ NAME = sch2fig
OBJS = main.o sch.o lib.o fig.o text.o
CFLAGS = -g -Wall -Wextra -Wno-unused-parameter
LIBS = -lm
include ../common/Makefile.c-common
@ -22,7 +23,7 @@ include ../common/Makefile.c-common
all:: $(NAME)
$(NAME): $(OBJS)
$(CC) -o $(NAME) $(OBJS)
$(CC) -o $(NAME) $(OBJS) $(LIBS)
NEO900_HW = ../../../n9/ee/hw
KICAD_LIBS = ../../kicad-libs/components

57
sch2fig/fig.c
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@ -11,7 +11,9 @@
*/
#include <stdlib.h>
#include <stdio.h>
#include <math.h>
#include "style.h"
#include "text.h"
@ -74,9 +76,62 @@ void fig_poly(int points, int x[points], int y[points])
}
#define OFF 20
void fig_glabel(int x, int y, const char *s, int dir, int dim,
enum fig_shape shape)
{
struct text txt = {
.s = s,
.size = dim,
.x = x,
.y = y,
.rot = 0,
.hor = 0,
.vert = text_mid,
};
int n = 6;
int vx[5];
int vy[5];
int half = (dim >> 1) + OFF;
switch (dir) {
case 0:
txt.rot = 0;
txt.hor = text_max;
break;
default:
abort();
}
switch (shape) {
case fig_in:
text_shift(&txt, txt.hor, text_mid, -OFF - half, 0);
text_rel(&txt, text_min, text_min, -OFF, OFF, vx + 1, vy + 1);
text_rel(&txt, text_max, text_min, OFF, OFF, vx + 2, vy + 2);
text_rel(&txt, text_max, text_mid, OFF + half, 0,
vx + 3, vy + 3);
text_rel(&txt, text_max, text_max, OFF, -OFF, vx + 4, vy + 4);
text_rel(&txt, text_min, text_max, -OFF, -OFF, vx + 5, vy + 5);
break;
case fig_out:
text_shift(&txt, txt.hor, text_mid, -OFF, 0);
text_rel(&txt, text_min, text_min, -OFF, OFF, vx + 1, vy + 1);
text_rel(&txt, text_max, text_min, OFF, OFF, vx + 2, vy + 2);
text_rel(&txt, text_max, text_max, OFF, -OFF, vx + 3, vy + 3);
text_rel(&txt, text_min, text_max, -OFF, -OFF, vx + 4, vy + 4);
text_rel(&txt, text_min, text_mid, -OFF - half, 0,
vx + 5, vy + 5);
break;
default:
abort();
}
text_fig(&txt, COLOR_GLABEL, LAYER_GLABEL);
vx[0] = vx[n - 1];
vy[0] = vy[n - 1];
fig_poly(n, vx, vy);
}
@ -121,7 +176,7 @@ void fig_text(int x, int y, const char *s, unsigned size,
// Color Font Flags X Y
printf("4 %u %d %d -1 %d %f %f 4 0.0 0.0 %d %d %s\\001\n",
align, color, layer, FONT_HELVETICA_BOLD,
pt(size), rot / 3.1415926 * 180, cx(x), cy(y), s);
pt(size), rot / 180.0 * M_PI, cx(x), cy(y), s);
}

11
sch2fig/lib.c
View File

@ -16,6 +16,7 @@
#include <string.h>
#include <assert.h>
#include "util.h"
#include "style.h"
#include "fig.h"
#include "text.h"
@ -199,8 +200,10 @@ static void draw(const struct obj *obj, int m[6])
// @@@
break;
case obj_circ:
unsupported("circle");
break;
case obj_arc:
unsupported("arc");
break;
case obj_text:
draw_text(&obj->u.text, m);
@ -247,8 +250,8 @@ static bool parse_poly(struct obj *obj, const char *line, int points)
int i, n;
obj->u.poly.points = points;
obj->u.poly.x = malloc(sizeof(int) * points);
obj->u.poly.y = malloc(sizeof(int) * points);
obj->u.poly.x = alloc_size(sizeof(int) * points);
obj->u.poly.y = alloc_size(sizeof(int) * points);
for (i = 0; i != points; i++) {
if (sscanf(line, "%d %d %n",
obj->u.poly.x + i, obj->u.poly.y + i, &n) != 2)
@ -277,7 +280,7 @@ bool lib_parse(struct lib_ctx *ctx, const char *line)
case lib_skip:
if (sscanf(line, "DEF %ms", &s) == 1) {
ctx->state = lib_def;
comp = malloc(sizeof(struct comp));
comp = alloc_type(struct comp);
if (*s == '~')
s++;
comp->name = s;
@ -301,7 +304,7 @@ bool lib_parse(struct lib_ctx *ctx, const char *line)
return 1;
}
obj = malloc(sizeof(struct obj));
obj = alloc_type(struct obj);
obj->next = NULL;
*next_obj = obj;
next_obj = &obj->next;

25
sch2fig/sch.c
View File

@ -11,11 +11,13 @@
*/
#include <stddef.h>
#include <stdbool.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "util.h"
#include "style.h"
#include "fig.h"
#include "lib.h"
@ -92,12 +94,14 @@ bool sch_parse(struct sch_ctx *ctx, const char *line)
if (sscanf(line, "Text HLabel %d %d %d %d %ms",
&ctx->x, &ctx->y, &ctx->dir, &ctx->dim, &s) == 5) {
ctx->state = sch_text;
abort();
unsupported("Text HLabel");
ctx->text = NULL;
return 1;
}
if (sscanf(line, "Text Label%n", &n) == 0 && n) {
ctx->state = sch_text;
abort();
unsupported("Text Label");
ctx->text = NULL;
return 1;
}
@ -117,7 +121,8 @@ abort();
}
if (sscanf(line, "Wire Bus Line%n", &n) == 0 && n) {
ctx->state = sch_wire;
abort();
unsupported("Wire Bus Line");
ctx->wire = NULL;
return 1;
}
if (sscanf(line, "Wire Notes Line%n", &n) == 0 && n) {
@ -127,12 +132,14 @@ abort();
}
if (sscanf(line, "Wire Wire Bus%n", &n) == 0 && n) {
ctx->state = sch_wire;
abort();
unsupported("Wire Wire Bus");
ctx->wire = NULL;
return 1;
}
if (sscanf(line, "Wire Bus Bus%n", &n) == 0 && n) {
ctx->state = sch_wire;
abort();
unsupported("Wire Bus Bus");
ctx->wire = NULL;
return 1;
}
@ -178,13 +185,15 @@ abort();
return 1;
case sch_text:
ctx->state = sch_basic;
ctx->text(ctx->x, ctx->y, line, ctx->dir, ctx->dim,
ctx->shape);
if (ctx->text)
ctx->text(ctx->x, ctx->y, line, ctx->dir, ctx->dim,
ctx->shape);
return 1;
case sch_wire:
if (sscanf(line, "%d %d %d %d", &x, &y, &ex, &ey) != 4)
break;
ctx->wire(x, y, ex, ey);
if (ctx->wire)
ctx->wire(x, y, ex, ey);
ctx->state = sch_basic;
return 1;
default:

2
sch2fig/style.h
View File

@ -23,6 +23,7 @@
#define COLOR_SHEET_DWG COLOR_BLUE
#define COLOR_TEXT COLOR_BLACK
#define COLOR_WIRE COLOR_GREEN4
#define COLOR_GLABEL COLOR_RED4
#define FONT_HELVETICA_BOLD 18
@ -30,6 +31,7 @@
#define LAYER_WIRES 50
#define LAYER_LINES 60
#define LAYER_COMP_DWG 70
#define LAYER_GLABEL 20
#define WIDTH_WIRE 2
#define WIDTH_LINE 2

99
sch2fig/text.c
View File

@ -11,10 +11,13 @@
*/
#include <stddef.h>
#include <stdlib.h>
#include <stdio.h>
#include <string.h>
#include <math.h>
#include "util.h"
#include "fig.h"
#include "text.h"
@ -33,41 +36,105 @@ void text_init(struct text *txt)
void text_free(struct text *txt)
{
free((void *) txt->s);
txt->s = NULL;
}
void text_set(struct text *txt, const char *s)
{
free((void *) txt->s);
txt->s = strdup(s);
txt->s = stralloc(s);
}
void text_fig(struct text *txt, int color, unsigned layer)
static int rx(int x, int y, int rot)
{
float a = rot / 180.0 * M_PI;
return cos(a) * x + sin(a) * y;
}
static int ry(int x, int y, int rot)
{
float a = rot / 180.0 * M_PI;
return -sin(a) * x + cos(a) * y;
}
static int align(int dim, enum text_align align)
{
switch (align) {
case text_min:
return 0;
case text_mid:
return dim / 2;
case text_max:
return dim;
default:
abort();
}
}
void text_fig(const struct text *txt, int color, unsigned layer)
{
int x = txt->x;
int y = txt->y;
switch (txt->vert) {
case text_min:
break;
case text_mid:
y += txt->size >> 1;
break;
case text_max:
y += txt->size;
break;
default:
abort();
}
x += rx(0, align(txt->size, txt->vert), txt->rot);
y += ry(0, align(txt->size, txt->vert), txt->rot);
fig_text(x, y, txt->s, txt->size, txt->hor, txt->rot, color, layer);
}
void text_rel_x(struct text *txt, int x, int y)
static unsigned guess_width(const struct text *txt)
{
/*
* Note that fig.c stretches the text size, so the ratio is larger than
* expressed here.
*/
return strlen(txt->s) * txt->size * 1.0;
}
void text_rel_y(struct text *txt, int x, int y)
void text_rel(const struct text *txt, enum text_align xr, enum text_align yr,
int dx, int dy, int *res_x, int *res_y)
{
dx -= align(guess_width(txt), txt->hor);
dy += align(txt->size, txt->vert);
dx += align(guess_width(txt), xr);
dy -= align(txt->size, yr);
if (res_x)
*res_x = txt->x + rx(dx, dy, txt->rot);
if (res_y)
*res_y = txt->y + ry(dx, dy, txt->rot);
}
void text_shift(struct text *txt, enum text_align xr, enum text_align yr,
int dx, int dy)
{
text_rel(txt, xr, yr, dx, dy, &txt->x, &txt->y);
}
int text_rel_x(const struct text *txt, enum text_align xr, enum text_align yr,
int dx, int dy)
{
int x;
text_rel(txt, xr, yr, dx, dy, &x, NULL);
return x;
}
int text_rel_y(const struct text *txt, enum text_align xr, enum text_align yr,
int dx, int dy)
{
int y;
text_rel(txt, xr, yr, dx, dy, NULL, &y);
return y;
}

13
sch2fig/text.h
View File

@ -36,8 +36,15 @@ void text_init(struct text *txt);
void text_free(struct text *txt);
void text_set(struct text *txt, const char *s);
void text_fig(struct text *txt, int color, unsigned layer);
void text_rel_x(struct text *txt, int x, int y);
void text_rel_y(struct text *txt, int x, int y);
void text_fig(const struct text *txt, int color, unsigned layer);
void text_rel(const struct text *txt, enum text_align xr, enum text_align yr,
int dx, int dy, int *res_x, int *res_y);
void text_shift(struct text *txt, enum text_align xr, enum text_align yr,
int dx, int dy);
int text_rel_x(const struct text *txt, enum text_align xr, enum text_align yr,
int dx, int dy);
int text_rel_y(const struct text *txt, enum text_align xr, enum text_align yr,
int dx, int dy);
#endif /* !TEXT_H */

44
sch2fig/util.h Normal file
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@ -0,0 +1,44 @@
/*
* util.h - Common utility functions
*
* 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 UTIL_H
#define UTIL_H
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#define alloc_size(s) \
({ void *alloc_size_tmp = malloc(s); \
if (!alloc_size_tmp) { \
perror("malloc"); \
exit(1); \
} \
alloc_size_tmp; })
#define alloc_type(t) ((t *) alloc_size(sizeof(t)))
#define stralloc(s) \
({ char *stralloc_tmp = strdup(s); \
if (!stralloc_tmp) { \
perror("strdup"); \
exit(1); \
} \
stralloc_tmp; })
#define unsupported(s) \
fprintf(stderr, __FILE__ ":%d: unsupported: " s "\n", __LINE__)
#endif /* !UTIL_H */