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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 coord vec_base;
struct vec *vec; struct vec *vec;
@ -181,7 +189,8 @@ static int generate_vecs(struct frame *frame, struct coord base)
y = eval_unit(vec->y, frame); y = eval_unit(vec->y, frame);
if (is_undef(y)) if (is_undef(y))
goto error; 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 = vec_base;
vec->pos.x += x.n; vec->pos.x += x.n;
vec->pos.y += y.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; struct obj *obj;
char *name; char *name;
int ok; int ok;
struct num width, offset; 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) { switch (obj->type) {
case ot_frame: case ot_frame:
if (!generate_frame(obj->u.frame.ref, if (!generate_frame(obj->u.frame.ref, base, frame, obj,
obj->base ? obj->base->pos : base, frame, obj,
active && obj->u.frame.ref->active_ref == obj)) active && obj->u.frame.ref->active_ref == obj))
return 0; return 0;
break; break;
case ot_line: case ot_line:
if (!resolve_vec(obj->u.line.other, base_pos, &other))
goto error;
width = eval_unit_default(obj->u.line.width, frame, width = eval_unit_default(obj->u.line.width, frame,
DEFAULT_SILK_WIDTH); DEFAULT_SILK_WIDTH);
if (is_undef(width)) if (is_undef(width))
goto error; goto error;
if (!inst_line(obj, obj->base ? obj->base->pos : base, if (!inst_line(obj, base, other, width.n))
obj->u.line.other ? obj->u.line.other->pos : base,
width.n))
goto error; goto error;
break; break;
case ot_rect: case ot_rect:
if (!resolve_vec(obj->u.rect.other, base_pos, &other))
goto error;
width = eval_unit_default(obj->u.rect.width, frame, width = eval_unit_default(obj->u.rect.width, frame,
DEFAULT_SILK_WIDTH); DEFAULT_SILK_WIDTH);
if (is_undef(width)) if (is_undef(width))
goto error; goto error;
if (!inst_rect(obj, obj->base ? obj->base->pos : base, if (!inst_rect(obj, base, other, width.n))
obj->u.rect.other ? obj->u.rect.other->pos : base,
width.n))
goto error; goto error;
break; break;
case ot_pad: case ot_pad:
if (!resolve_vec(obj->u.pad.other, base_pos, &other))
goto error;
name = expand(obj->u.pad.name, frame); name = expand(obj->u.pad.name, frame);
if (!name) if (!name)
goto error; goto error;
ok = inst_pad(obj, name, ok = inst_pad(obj, name, base, other);
obj->base ? obj->base->pos : base,
obj->u.pad.other ? obj->u.pad.other->pos : base);
free(name); free(name);
if (!ok) if (!ok)
goto error; goto error;
break; break;
case ot_hole: case ot_hole:
if (!inst_hole(obj, obj->base ? obj->base->pos : base, if (!resolve_vec(obj->u.hole.other, base_pos, &other))
obj->u.hole.other ? obj->u.hole.other->pos : base)) goto error;
if (!inst_hole(obj, base, other))
goto error; goto error;
break; break;
case ot_arc: 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, width = eval_unit_default(obj->u.arc.width, frame,
DEFAULT_SILK_WIDTH); DEFAULT_SILK_WIDTH);
if (is_undef(width)) if (is_undef(width))
goto error; goto error;
if (!inst_arc(obj, obj->base ? obj->base->pos : base, if (!inst_arc(obj, base, start, end, width.n))
obj->u.arc.start ? obj->u.arc.start->pos : base,
obj->u.arc.end ? obj->u.arc.end->pos : base,
width.n))
goto error; goto error;
break; break;
case ot_meas: case ot_meas:
@ -270,6 +285,7 @@ static int generate_objs(struct frame *frame, struct coord base, int active)
default: default:
abort(); abort();
} }
}
return 1; return 1;
error: error: