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mirror of git://projects.qi-hardware.com/eda-tools.git synced 2024-11-04 23:05:21 +02:00

eeshow/kicad/pl.h, pl-parse.c, pl-render.c: page layout support (WIP)

We currently only do lines, no text.
This commit is contained in:
Werner Almesberger 2016-08-22 04:03:53 -03:00
parent 83c452c522
commit 2d964c0f35
4 changed files with 437 additions and 0 deletions

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@ -16,6 +16,7 @@ NAME = eeshow
OBJS = main.o version.o \ OBJS = main.o version.o \
kicad/sch-parse.o kicad/sch-render.o kicad/lib-parse.o \ kicad/sch-parse.o kicad/sch-render.o kicad/lib-parse.o \
kicad/lib-render.o kicad/dwg.o kicad/delta.o kicad/sexpr.o \ kicad/lib-render.o kicad/dwg.o kicad/delta.o kicad/sexpr.o \
kicad/pl-parse.o kicad/pl-render.o \
gui/gui.o gui/over.o gui/style.o gui/aoi.o gui/fmt-pango.o gui/input.o \ gui/gui.o gui/over.o gui/style.o gui/aoi.o gui/fmt-pango.o gui/input.o \
gui/progress.o gui/glabel.o gui/sheet.o gui/history.o gui/render.o \ gui/progress.o gui/glabel.o gui/sheet.o gui/history.o gui/render.o \
gui/help.o gui/icons.o \ gui/help.o gui/icons.o \

304
eeshow/kicad/pl-parse.c Normal file
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@ -0,0 +1,304 @@
/*
* kicad/pl-parse.c - KiCad page layout parser
*
* 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 <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include "misc/util.h"
#include "misc/diag.h"
#include "file/file.h"
#include "kicad/sexpr.h"
#include "kicad/pl-common.h"
#include "kicad/pl.h"
static bool get_coord(const struct expr *e,
float *x, float *y, int *dx, int *dy)
{
unsigned n = 0;
*dx = -1;
*dy = -1;
for (; e; e = e->next) {
if (e->e)
continue;
if (!strcmp(e->s, "ltcorner")) {
*dx = *dy = 1;
} else if (!strcmp(e->s, "lbcorner")) {
*dx = 1;
*dy = -1;
} else if (!strcmp(e->s, "rtcorner")) {
*dx = -1;
*dy = 1;
} else if (!strcmp(e->s, "rbcorner")) {
*dx = *dy = -1;
} else {
char *end;
float f = strtof(e->s, &end);
if (*end) {
error("no a number \"%s\"\n", e->s);
return 0;
}
if (n++)
*y = f;
else
*x = f;
}
}
switch (n) {
case 0:
case 1:
error("no enough coordinates\n");
return 0;
case 2:
return 1;
default:
error("too many coordinates\n");
return 0;
}
}
static bool get_float(const struct expr *e, float *f)
{
for (; e; e = e->next)
if (e->s) {
*f = atof(e->s); // @@@ error checking
return 1;
}
error("no number found\n");
return 0;
}
static bool get_int(const struct expr *e, int *n)
{
for (; e; e = e->next)
if (e->s) {
*n = atoi(e->s); // @@@ error checking
return 1;
}
error("no number found\n");
return 0;
}
static bool process_setup(struct pl_ctx *p, const struct expr *e)
{
const char *s;
const struct expr *next;
for (; e; e = e->next) {
if (!e->e) {
warning("ignoring non-list\n");
continue;
}
s = e->e->s;
next = e->e->next;
if (!strcmp(s, "comment"))
continue;
if (!strcmp(s, "textsize")) {
// meh
} else if (!strcmp(s, "linewidth")) {
// meh
} else if (!strcmp(s, "textlinewidth")) {
// meh
} else if (!strcmp(s, "left_margin")) {
if (!get_float(next, &p->l))
return 0;
} else if (!strcmp(s, "right_margin")) {
if (!get_float(next, &p->r))
return 0;
} else if (!strcmp(s, "top_margin")) {
if (!get_float(next, &p->t))
return 0;
} else if (!strcmp(s, "bottom_margin")) {
if (!get_float(next, &p->b))
return 0;
} else {
warning("ignoring \"%s\"\n", s);
}
}
return 1;
}
static bool process_obj(struct pl_ctx *pl, const struct expr *e,
enum pl_obj_type type)
{
struct pl_obj *obj;
const char *s;
const struct expr *next;
obj = alloc_type(struct pl_obj);
obj->type = type;
obj->s = NULL;
obj->repeat = 1;
obj->x = obj->y = obj->ex = obj->ey = 0;
obj->dx = obj->dy = 0;
obj->incrx = 0;
obj->incry = 0;
obj->incrlabel = 0;
for (; e; e = e->next) {
if (!e->e) {
warning("ignoring non-list\n");
continue;
}
s = e->e->s;
next = e->e->next;
if (!strcmp(s, "comment"))
continue;
if (!strcmp(s, "name"))
continue;
if (!strcmp(s, "linewidth")) {
// meh
} else if (!strcmp(s, "start") || !strcmp(s, "pos")) {
if (!get_coord(next, &obj->x, &obj->y,
&obj->dx, &obj->dy))
return 0;
} else if (!strcmp(s, "end")) {
if (!get_coord(next, &obj->ex, &obj->ey,
&obj->edx, &obj->edy))
return 0;
} else if (!strcmp(s, "repeat")) {
if (!get_int(next, &obj->repeat))
return 0;
} else if (!strcmp(s, "incrx")) {
if (!get_float(next, &obj->incrx))
return 0;
} else if (!strcmp(s, "incry")) {
if (!get_float(next, &obj->incry))
return 0;
} else if (!strcmp(s, "incrlabel")) {
if (!get_int(next, &obj->incrlabel))
return 0;
} else
warning("ignoring \"%s\"\n", s);
}
obj->next = pl->objs;
pl->objs = obj;
return 1;
}
static bool process_layout(struct pl_ctx *pl, const struct expr *e)
{
const char *s;
const struct expr *next;
for (; e; e = e->next) {
if (!e->e) {
warning("ignoring non-list\n");
continue;
}
s = e->e->s;
next = e->e->next;
if (!strcmp(s, "comment"))
continue;
if (!strcmp(s, "setup")) {
if (!process_setup(pl, next))
return 0;
} else if (!strcmp(s, "rect")) {
if (!process_obj(pl, next, pl_obj_rect))
return 0;
} else if (!strcmp(s, "line")) {
if (!process_obj(pl, next, pl_obj_line))
return 0;
} else if (!strcmp(s, "tbtext")) {
if (!process_obj(pl, next, pl_obj_text))
return 0;
} else {
warning("ignoring \"%s\"\n", s);
}
}
return 1;
}
static bool process(struct pl_ctx *p, const struct expr *e)
{
while (e) {
if (e->e && e->e->s && !strcmp(e->e->s, "page_layout") &&
e->e->next && e->e->next->e)
return process_layout(p, e->e->next);
e = e->next;
}
error("no layout information found\n");
return 0;
}
static bool pl_parse_line(const struct file *file,
void *user, const char *line)
{
struct pl_ctx *pl = user;
return sexpr_parse(pl->sexpr_ctx, line);
}
struct pl_ctx *pl_parse(struct file *file)
{
struct pl_ctx *pl;
struct expr *e = NULL;
pl = alloc_type(struct pl_ctx);
pl->sexpr_ctx = sexpr_new();
pl->l = pl->r = pl->t = pl->b = 0;
pl->objs = NULL;
if (!file_read(file, pl_parse_line, pl)) {
sexpr_abort(pl->sexpr_ctx);
goto fail;
}
if (!sexpr_finish(pl->sexpr_ctx, &e))
goto fail;
if (!process(pl, e))
goto fail;
free_expr(e);
return pl;
fail:
free_expr(e);
free(pl);
return 0;
}
void pl_free(struct pl_ctx *pl)
{
struct pl_obj *next;
while (pl->objs) {
next = pl->objs->next;
free((void *) pl->objs->s);
free(pl->objs);
pl->objs = next;
}
free(pl);
}

104
eeshow/kicad/pl-render.c Normal file
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@ -0,0 +1,104 @@
/*
* kicad/pl-render.c - RenderKiCad page layout
*
* 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 <stdbool.h>
#include <stdlib.h>
#include <string.h>
#include "misc/util.h"
#include "misc/diag.h"
#include "gfx/style.h"
#include "gfx/gfx.h"
#include "kicad/pl-common.h"
#include "kicad/pl.h"
/*
* Eeschema works in mil
* Page layouts are in mm
*/
static int mil(float mm)
{
return mm / 25.4 * 1000;
}
static int cx(int x, int dx, int xo, int xe)
{
return dx >= 0 ? xo + x : xe - x;
}
static int cy(int y, int dy, int yo, int ye)
{
return dy >= 0 ? yo + y : ye - y;
}
static void render_obj(const struct pl_ctx *pl, const struct pl_obj *obj,
unsigned i, int w, int h)
{
int xo = mil(pl->l);
int yo = mil(pl->r);
int xe = w - mil(pl->t);
int ye = h - mil(pl->b);
int x = mil(obj->x + i * obj->incrx);
int y = mil(obj->y + i * obj->incry);
int ex = mil(obj->ex + i * obj->incrx);
int ey = mil(obj->ey + i * obj->incry);
int ww = xe - xo;
int hh = ye - yo;
if (x < 0 || y < 0 || ex < 0 || ey < 0)
return;
if (x > ww || y > hh || ex > ww || ey > hh)
return;
switch (obj->type) {
case pl_obj_rect:
gfx_rect(
cx(x, obj->dx, xo, xe), cy(y, obj->dy, yo, ye),
cx(ex, obj->edx, xo, xe), cy(ey, obj->edy, yo, ye),
COLOR_COMP_DWG, COLOR_NONE, LAYER_COMP_DWG);
break;
case pl_obj_line: {
int vx[] = {
cx(x, obj->dx, xo, xe),
cx(ex, obj->edx, xo, xe)
};
int vy[] = {
cy(y, obj->dy, yo, ye),
cy(ey, obj->edy, yo, ye)
};
gfx_poly(2, vx, vy,
COLOR_COMP_DWG, COLOR_NONE, LAYER_COMP_DWG);
}
break;
default:
break;
}
}
void pl_render(struct pl_ctx *pl, int w, int h)
{
const struct pl_obj *obj;
int i;
for (obj = pl->objs; obj; obj = obj->next)
for (i = 0; i != obj->repeat; i++)
render_obj(pl, obj, i, w, h);
}

28
eeshow/kicad/pl.h Normal file
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@ -0,0 +1,28 @@
/*
* kicad/pl.h - KiCad page layout
*
* 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 KICAD_PL_H
#define KICAD_PL_H
#include "file/file.h"
struct pl_ctx;
void pl_render(struct pl_ctx *pl, int w, int h);
struct pl_ctx *pl_parse(struct file *file);
void pl_free(struct pl_ctx *pl);
#endif /* !KICAD_PL_H */