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sch2fig/: restructure text handing; on-going development

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This commit is contained in:
Werner Almesberger 2016-07-23 00:48:59 -03:00
parent 09ae0229c3
commit cd3ced9cfb
8 changed files with 307 additions and 52 deletions
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2
sch2fig/Makefile
View File

@ -11,7 +11,7 @@
#
NAME = sch2fig
OBJS = main.o sch.o lib.o fig.o
OBJS = main.o sch.o lib.o fig.o text.o
CFLAGS = -g -Wall -Wextra -Wno-unused-parameter

64
sch2fig/fig.c
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@ -13,29 +13,11 @@
#include <stdio.h>
#include "style.h"
#include "text.h"
#include "fig.h"
#define COLOR_BLACK 0
#define COLOR_BLUE 1
#define COLOR_GREEN4 12
#define COLOR_RED4 18
#define COLOR_RED3 19
#define FONT_HELVETICA_BOLD 18
#define LAYER_TEXT 30
#define LAYER_WIRES 50
#define LAYER_LINES 60
#define LAYER_COMP_DWG 70
#define WIDTH_WIRE 2
#define WIDTH_LINE 2
#define WIDTH_COMP_DWG 2
#define JUNCTION_R 50
/*
* FIG works with 1/1200 in
* KiCad works with mil
@ -55,9 +37,9 @@ static inline int cy(int y)
}
static inline int pt(int x)
static inline float pt(int x)
{
return cx(x) * 72 * 1.5 / 1200;
return cx(x) * 72 * 1.5 / 1200.0;
}
@ -67,7 +49,7 @@ void fig_rect(int sx, int sy, int ex, int ey)
// SubTy Color Pen Join FwdAr
// Style FillCol AreaFil Cap BwdAr
printf("2 2 0 %d %d 7 %d -1 -1 0.0 1 1 -1 0 0 5\n",
WIDTH_COMP_DWG, COLOR_RED4, LAYER_COMP_DWG);
WIDTH_COMP_DWG, COLOR_COMP_DWG, LAYER_COMP_DWG);
printf("\t%d %d %d %d %d %d %d %d %d %d\n",
cx(sx), cy(sy), cx(ex), cy(sy), cx(ex), cy(ey), cx(sx), cy(ey),
cx(sx), cy(sy));
@ -83,7 +65,7 @@ void fig_poly(int points, int x[points], int y[points])
// SubTy Color Pen Join FwdAr
// Style FillCol AreaFil Cap BwdAr
printf("2 1 0 %d %d 7 %d -1 -1 0.0 1 1 -1 0 0 %d\n",
WIDTH_COMP_DWG, COLOR_RED4, LAYER_COMP_DWG, points);
WIDTH_COMP_DWG, COLOR_COMP_DWG, LAYER_COMP_DWG, points);
for (i = 0; i != points; i++) {
printf("%c%d %d", ch, cx(x[i]), cy(y[i]));
ch = ' ';
@ -92,18 +74,6 @@ void fig_poly(int points, int x[points], int y[points])
}
void fig_text(int x, int y, const char *s, int dir, int dim,
enum fig_shape shape)
{
// Type Depth FontSiz Height
// Just Pen Angle Length
// Color Font Flags X Y
printf("4 0 %d %d -1 %d %d %d 4 0.0 0.0 %d %d %s\\001\n",
COLOR_BLACK, LAYER_TEXT, FONT_HELVETICA_BOLD,
pt(dim), 0, cx(x), cy(y), s);
}
void fig_glabel(int x, int y, const char *s, int dir, int dim,
enum fig_shape shape)
{
@ -116,7 +86,7 @@ void fig_junction(int x, int y)
// SubTy Color Pen Dir Cy Ry Sy Ey
// Style FillCol AreaFil Angle
printf("1 3 0 0 -1 %d %d -1 20 0.0 1 0.0 %d %d %d %d %d %d %d %d\n",
COLOR_GREEN4, LAYER_WIRES, cx(x), cy(y), JUNCTION_R, JUNCTION_R,
COLOR_WIRE, LAYER_WIRES, cx(x), cy(y), JUNCTION_R, JUNCTION_R,
cx(x), cy(y), cx(x) + JUNCTION_R, cy(y));
}
@ -127,7 +97,7 @@ void fig_wire(int sx, int sy, int ex, int ey)
// SubTy Color Pen StyleV Rad BwdAr
// Thick Depth Join Points
printf("2 1 0 %d %d 7 %d -1 -1 0.0 1 1 -1 0 0 2\n",
WIDTH_WIRE, COLOR_GREEN4, LAYER_WIRES);
WIDTH_WIRE, COLOR_WIRE, LAYER_WIRES);
printf("\t%d %d %d %d\n", cx(sx), cy(sy), cx(ex), cy(ey));
}
@ -137,12 +107,24 @@ void fig_line(int sx, int sy, int ex, int ey)
// TypeStyle FillCol AreaFil Cap FwdAr
// SubTy Color Pen StyleV Rad BwdAr
// Thick Depth Join Points
printf("2 1 0 %d %d 7 %d -1 -1 0.0 1 1 -1 0 0 2\n",
WIDTH_LINE, COLOR_BLUE, LAYER_LINES);
printf("2 1 2 %d %d 7 %d -1 -1 3.0 1 1 -1 0 0 2\n",
WIDTH_LINE, COLOR_SHEET_DWG, LAYER_LINES);
printf("\t%d %d %d %d\n", cx(sx), cy(sy), cx(ex), cy(ey));
}
void fig_text(int x, int y, const char *s, unsigned size,
enum text_align align, int rot, unsigned color, unsigned layer)
{
// Type Depth FontSiz Height
// Just Pen Angle Length
// 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);
}
void fig_init(void)
{
printf("#FIG 3.2\n");
@ -150,7 +132,7 @@ void fig_init(void)
printf("Center\n");
printf("Metric\n");
printf("A4\n");
printf("10.00\n");
printf("100.00\n");
printf("Single\n");
printf("-2\n");
printf("1200 2\n");

10
sch2fig/fig.h
View File

@ -14,6 +14,9 @@
#ifndef FIG_H
#define FIG_H
#include "text.h"
enum fig_shape {
fig_unspec, // UnSpc
fig_in, // Input
@ -29,8 +32,6 @@ void fig_poly(int points, int x[points], int y[points]);
/* schematics */
void fig_text(int x, int y, const char *s, int dir, int dim,
enum fig_shape shape);
void fig_glabel(int x, int y, const char *s, int dir, int dim,
enum fig_shape shape);
@ -39,6 +40,11 @@ void fig_junction(int x, int y);
void fig_wire(int sx, int sy, int ex, int ey);
void fig_line(int sx, int sy, int ex, int ey);
/* general */
void fig_text(int x, int y, const char *s, unsigned size,
enum text_align align, int rot, unsigned color, unsigned layer);
/* inititalization */
void fig_init(void);

117
sch2fig/lib.c
View File

@ -16,10 +16,16 @@
#include <string.h>
#include <assert.h>
#include "style.h"
#include "fig.h"
#include "text.h"
#include "lib.h"
enum text_style {
text_normal,
};
struct obj {
enum obj_type {
obj_poly,
@ -51,13 +57,16 @@ struct obj {
int thick;
char fill;
} circ;
struct {
char orient;
struct text_obj {
int orient;
int x, y;
int dim;
char *s;
enum text_style style;
char hor_align;
char vert_align;
} text;
struct {
struct pin_obj {
char *name;
char *number;
int x, y;
@ -112,6 +121,70 @@ static void draw_poly(const struct poly *poly, int m[6])
}
static void draw_pin(const struct pin_obj *pin, int m[6])
{
int x[2], y[2];
int dx = 0, dy = 0;
switch (pin->orient) {
case 'U':
dy = pin->length;
break;
case 'D':
dy = -pin->length;
break;
case 'R':
dx = pin->length;
break;
case 'L':
dx = -pin->length;
break;
default:
abort();
}
x[0] = mx(pin->x, pin->y, m);
y[0] = my(pin->x, pin->y, m);
x[1] = mx(pin->x + dx, pin->y + dy, m);
y[1] = my(pin->x + dx, pin->y + dy, m);
fig_poly(2, x, y);
}
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 = {
.s = text->s,
.size = text->dim,
.x = mx(text->x, text->y, m),
.y = my(text->x, text->y, m),
.rot = matrix_to_angle(m),
.hor = text_mid,
.vert = text_mid,
};
text_fig(&txt, COLOR_COMP_DWG, WIDTH_COMP_DWG);
}
static void draw(const struct obj *obj, int m[6])
{
switch (obj->type) {
@ -127,9 +200,13 @@ static void draw(const struct obj *obj, int m[6])
break;
case obj_circ:
break;
case obj_arc:
break;
case obj_text:
draw_text(&obj->u.text, m);
break;
case obj_pin:
draw_pin(&obj->u.pin, m);
break;
default:
abort();
@ -157,6 +234,14 @@ found:
}
static enum text_style decode_style(const char *s)
{
if (!strcmp(s, "Normal"))
return text_normal;
abort();
}
static bool parse_poly(struct obj *obj, const char *line, int points)
{
int i, n;
@ -183,6 +268,8 @@ bool lib_parse(struct lib_ctx *ctx, const char *line)
unsigned points;
struct comp *comp;
struct obj *obj;
char *style;
unsigned zero1, zero2;
ctx->lineno++;
@ -245,10 +332,26 @@ bool lib_parse(struct lib_ctx *ctx, const char *line)
obj->type = obj_arc;
return 1; // @@@
}
if (sscanf(line, "T %c %d %d %d %u %u %ms",
n = sscanf(line,
"T %d %d %d %d %u %u %u \"%m[^\"]\" %ms %u %c %c",
&obj->u.text.orient, &obj->u.text.x, &obj->u.text.y,
&obj->u.text.dim, &obj->unit, &obj->convert,
&obj->u.text.s) == 7) {
&obj->u.text.dim, &zero1, &obj->unit, &obj->convert,
&obj->u.text.s, &style, &zero2,
&obj->u.text.hor_align, &obj->u.text.vert_align);
if (n != 12)
n = sscanf(line,
"T %d %d %d %d %u %u %u %ms %ms %u %c %c",
&obj->u.text.orient, &obj->u.text.x, &obj->u.text.y,
&obj->u.text.dim, &zero1, &obj->unit, &obj->convert,
&obj->u.text.s, &style, &zero2,
&obj->u.text.hor_align, &obj->u.text.vert_align);
if (n == 12) {
if (zero1 || zero2) {
fprintf(stderr, "%u: only understand 0 x x\n",
ctx->lineno);
exit(1);
}
obj->u.text.style = decode_style(style);
obj->type = obj_text;
return 1;
}
@ -273,5 +376,5 @@ bool lib_parse(struct lib_ctx *ctx, const char *line)
void lib_init(struct lib_ctx *ctx)
{
ctx->state = lib_skip;
ctx->lineno++;
ctx->lineno = 0;
}

10
sch2fig/sch.c
View File

@ -16,6 +16,7 @@
#include <stdio.h>
#include <string.h>
#include "style.h"
#include "fig.h"
#include "lib.h"
#include "sch.h"
@ -46,6 +47,13 @@ static enum fig_shape decode_shape(const char *s)
}
static void draw_text(int x, int y, const char *s, int dir, int dim,
enum fig_shape shape)
{
fig_text(x, y, s, dim, text_min, 0, COLOR_TEXT, LAYER_TEXT);
}
bool sch_parse(struct sch_ctx *ctx, const char *line)
{
int n = 0;
@ -71,7 +79,7 @@ bool sch_parse(struct sch_ctx *ctx, const char *line)
if (sscanf(line, "Text Notes %d %d %d %d",
&ctx->x, &ctx->y, &ctx->dir, &ctx->dim) == 4) {
ctx->state = sch_text;
ctx->text = fig_text;
ctx->text = draw_text;
return 1;
}
if (sscanf(line, "Text GLabel %d %d %d %d %ms",

40
sch2fig/style.h Normal file
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@ -0,0 +1,40 @@
/*
* style.h - FIG drawing style
*
* Written 2016 by Werner Almesberger
* Copyright 2016 by 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 STYLE_H
#define STYLE_H
#define COLOR_BLACK 0
#define COLOR_BLUE 1
#define COLOR_GREEN4 12
#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_WIRE COLOR_GREEN4
#define FONT_HELVETICA_BOLD 18
#define LAYER_TEXT 30
#define LAYER_WIRES 50
#define LAYER_LINES 60
#define LAYER_COMP_DWG 70
#define WIDTH_WIRE 2
#define WIDTH_LINE 2
#define WIDTH_COMP_DWG 2
#define JUNCTION_R 40
#endif /* !STYLE_H */

73
sch2fig/text.c Normal file
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@ -0,0 +1,73 @@
/*
* text.c - FIG text object
*
* Written 2016 by Werner Almesberger
* Copyright 2016 by 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 <stdlib.h>
#include <stdio.h>
#include <string.h>
#include "fig.h"
#include "text.h"
void text_init(struct text *txt)
{
txt->s = NULL;
txt->size = 0;
txt->x = txt->y = 0;
txt->rot = 0;
txt->hor = text_mid;
txt->vert = text_mid;
}
void text_free(struct text *txt)
{
free((void *) txt->s);
}
void text_set(struct text *txt, const char *s)
{
free((void *) txt->s);
txt->s = strdup(s);
}
void text_fig(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();
}
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)
{
}
void text_rel_y(struct text *txt, int x, int y)
{
}

43
sch2fig/text.h Normal file
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@ -0,0 +1,43 @@
/*
* text.h - FIG text object
*
* Written 2016 by Werner Almesberger
* Copyright 2016 by 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 TEXT_H
#define TEXT_H
/* use constants of FIG text sub_type */
enum text_align {
text_min = 0, // left or bottom
text_mid = 1, // center
text_max = 2, // right or top
};
struct text {
const char *s;
int size;
int x, y;
int rot;
enum text_align hor;
enum text_align vert;
};
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);
#endif /* !TEXT_H */