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obj.c: move vector to coord translation to separate function (for future extension)

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This commit is contained in:
Werner Almesberger 2011-10-25 16:13:11 -03:00
parent ea9b8f988e
commit c8f5d29178
1 changed files with 37 additions and 21 deletions
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58
obj.c
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@ -168,7 +168,15 @@ static struct num eval_unit_default(const struct expr *expr,
}
static int generate_vecs(struct frame *frame, struct coord base)
static int resolve_vec(const struct vec *vec, struct coord base_pos,
struct coord *res)
{
*res = vec ? vec->pos : base_pos;
return 1;
}
static int generate_vecs(struct frame *frame, struct coord base_pos)
{
struct coord vec_base;
struct vec *vec;
@ -181,7 +189,8 @@ static int generate_vecs(struct frame *frame, struct coord base)
y = eval_unit(vec->y, frame);
if (is_undef(y))
goto error;
vec_base = vec->base ? vec->base->pos : base;
if (!resolve_vec(vec->base, base_pos, &vec_base))
goto error;
vec->pos = vec_base;
vec->pos.x += x.n;
vec->pos.y += y.n;
@ -197,66 +206,72 @@ error:
}
static int generate_objs(struct frame *frame, struct coord base, int active)
static int generate_objs(struct frame *frame, struct coord base_pos,
int active)
{
struct obj *obj;
char *name;
int ok;
struct num width, offset;
struct coord base, other, start, end;
for (obj = frame->objs; obj; obj = obj->next)
for (obj = frame->objs; obj; obj = obj->next) {
if (obj->type != ot_meas)
if (!resolve_vec(obj->base, base_pos, &base))
goto error;
switch (obj->type) {
case ot_frame:
if (!generate_frame(obj->u.frame.ref,
obj->base ? obj->base->pos : base, frame, obj,
if (!generate_frame(obj->u.frame.ref, base, frame, obj,
active && obj->u.frame.ref->active_ref == obj))
return 0;
break;
case ot_line:
if (!resolve_vec(obj->u.line.other, base_pos, &other))
goto error;
width = eval_unit_default(obj->u.line.width, frame,
DEFAULT_SILK_WIDTH);
if (is_undef(width))
goto error;
if (!inst_line(obj, obj->base ? obj->base->pos : base,
obj->u.line.other ? obj->u.line.other->pos : base,
width.n))
if (!inst_line(obj, base, other, width.n))
goto error;
break;
case ot_rect:
if (!resolve_vec(obj->u.rect.other, base_pos, &other))
goto error;
width = eval_unit_default(obj->u.rect.width, frame,
DEFAULT_SILK_WIDTH);
if (is_undef(width))
goto error;
if (!inst_rect(obj, obj->base ? obj->base->pos : base,
obj->u.rect.other ? obj->u.rect.other->pos : base,
width.n))
if (!inst_rect(obj, base, other, width.n))
goto error;
break;
case ot_pad:
if (!resolve_vec(obj->u.pad.other, base_pos, &other))
goto error;
name = expand(obj->u.pad.name, frame);
if (!name)
goto error;
ok = inst_pad(obj, name,
obj->base ? obj->base->pos : base,
obj->u.pad.other ? obj->u.pad.other->pos : base);
ok = inst_pad(obj, name, base, other);
free(name);
if (!ok)
goto error;
break;
case ot_hole:
if (!inst_hole(obj, obj->base ? obj->base->pos : base,
obj->u.hole.other ? obj->u.hole.other->pos : base))
if (!resolve_vec(obj->u.hole.other, base_pos, &other))
goto error;
if (!inst_hole(obj, base, other))
goto error;
break;
case ot_arc:
if (!resolve_vec(obj->u.arc.start, base_pos, &start))
goto error;
if (!resolve_vec(obj->u.arc.end, base_pos, &end))
goto error;
width = eval_unit_default(obj->u.arc.width, frame,
DEFAULT_SILK_WIDTH);
if (is_undef(width))
goto error;
if (!inst_arc(obj, obj->base ? obj->base->pos : base,
obj->u.arc.start ? obj->u.arc.start->pos : base,
obj->u.arc.end ? obj->u.arc.end->pos : base,
width.n))
if (!inst_arc(obj, base, start, end, width.n))
goto error;
break;
case ot_meas:
@ -270,6 +285,7 @@ static int generate_objs(struct frame *frame, struct coord base, int active)
default:
abort();
}
}
return 1;
error: