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eeshow/kicad/: page layout: support default text size; use "pl" uniformly

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This commit is contained in:
Werner Almesberger 2016-08-22 05:00:38 -03:00
parent 356df44952
commit 3c8c7ef6e1
3 changed files with 50 additions and 11 deletions
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1
eeshow/kicad/pl-common.h
View File

@ -49,6 +49,7 @@ struct pl_obj {
struct pl_ctx {
struct sexpr_ctx *sexpr_ctx;
float l, r, t, b; /* margins */
float tx, ty; /* text size */
struct pl_obj *objs;
};

53
eeshow/kicad/pl-parse.c
View File

@ -73,6 +73,42 @@ static bool get_coord(const struct expr *e,
}
static bool get_size(const struct expr *e, float *x, float *y)
{
unsigned n = 0;
for (; e; e = e->next) {
char *end;
float f;
if (e->e)
continue;
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)
@ -98,7 +134,7 @@ static bool get_int(const struct expr *e, int *n)
}
static bool process_setup(struct pl_ctx *p, const struct expr *e)
static bool process_setup(struct pl_ctx *pl, const struct expr *e)
{
const char *s;
const struct expr *next;
@ -116,22 +152,23 @@ static bool process_setup(struct pl_ctx *p, const struct expr *e)
continue;
if (!strcmp(s, "textsize")) {
// meh
if (!get_size(next, &pl->tx, &pl->ty))
return 0;
} else if (!strcmp(s, "linewidth")) {
// meh
} else if (!strcmp(s, "textlinewidth")) {
// meh
} else if (!strcmp(s, "left_margin")) {
if (!get_float(next, &p->l))
if (!get_float(next, &pl->l))
return 0;
} else if (!strcmp(s, "right_margin")) {
if (!get_float(next, &p->r))
if (!get_float(next, &pl->r))
return 0;
} else if (!strcmp(s, "top_margin")) {
if (!get_float(next, &p->t))
if (!get_float(next, &pl->t))
return 0;
} else if (!strcmp(s, "bottom_margin")) {
if (!get_float(next, &p->b))
if (!get_float(next, &pl->b))
return 0;
} else {
warning("ignoring \"%s\"\n", s);
@ -168,8 +205,7 @@ static bool process_font(struct pl_obj *obj, const struct expr *e)
continue;
if (!strcmp(s, "size")) {
if (!get_coord(next, &obj->ex, &obj->ey,
&obj->edx, &obj->edy))
if (!get_size(next, &obj->ex, &obj->ey))
return 0;
} else {
warning("ignoring \"%s\"\n", s);
@ -351,6 +387,7 @@ struct pl_ctx *pl_parse(struct file *file)
pl = alloc_type(struct pl_ctx);
pl->sexpr_ctx = sexpr_new();
pl->l = pl->r = pl->t = pl->b = 0;
pl->tx = pl->ty = 0;
pl->objs = NULL;
if (!file_read(file, pl_parse_line, pl)) {

7
eeshow/kicad/pl-render.c
View File

@ -42,11 +42,12 @@ static int coord(int v, int d, int o, int e)
}
static void render_text(const struct pl_obj *obj, int x, int y)
static void render_text(const struct pl_ctx *pl, const struct pl_obj *obj,
int x, int y)
{
struct text txt = {
.s = obj->s,
.size = mil(obj->ey),
.size = mil(obj->ey ? obj->ey : pl->ty),
.x = x,
.y = y,
.rot = 0,
@ -96,7 +97,7 @@ static void render_obj(const struct pl_ctx *pl, const struct pl_obj *obj,
}
break;
case pl_obj_text:
render_text(obj, x, y);
render_text(pl, obj, x, y);
break;
default:
break;