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[paint-extents] Move code around

This commit is contained in:
Behdad Esfahbod 2022-12-31 10:46:46 -07:00
parent d9a9bd8fa8
commit c86d1892ad
2 changed files with 25 additions and 25 deletions
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32
src/hb-paint-extents.cc
View File

@ -60,24 +60,6 @@ hb_paint_extents_pop_transform (hb_paint_funcs_t *funcs HB_UNUSED,
c->pop_transform ();
}
static void
add_point (hb_extents_t *extents,
float x, float y)
{
if (unlikely (extents->xmax < extents->xmin))
{
extents->xmin = extents->xmax = x;
extents->ymin = extents->ymax = y;
}
else
{
extents->xmin = hb_min (extents->xmin, x);
extents->ymin = hb_min (extents->ymin, y);
extents->xmax = hb_max (extents->xmax, x);
extents->ymax = hb_max (extents->ymax, y);
}
}
static void
hb_draw_extents_move_to (hb_draw_funcs_t *dfuncs HB_UNUSED,
void *data,
@ -87,7 +69,7 @@ hb_draw_extents_move_to (hb_draw_funcs_t *dfuncs HB_UNUSED,
{
hb_extents_t *extents = (hb_extents_t *) data;
add_point (extents, to_x, to_y);
extents->add_point (to_x, to_y);
}
static void
@ -99,7 +81,7 @@ hb_draw_extents_line_to (hb_draw_funcs_t *dfuncs HB_UNUSED,
{
hb_extents_t *extents = (hb_extents_t *) data;
add_point (extents, to_x, to_y);
extents->add_point (to_x, to_y);
}
static void
@ -112,8 +94,8 @@ hb_draw_extents_quadratic_to (hb_draw_funcs_t *dfuncs HB_UNUSED,
{
hb_extents_t *extents = (hb_extents_t *) data;
add_point (extents, control_x, control_y);
add_point (extents, to_x, to_y);
extents->add_point (control_x, control_y);
extents->add_point (to_x, to_y);
}
static void
@ -127,9 +109,9 @@ hb_draw_extents_cubic_to (hb_draw_funcs_t *dfuncs HB_UNUSED,
{
hb_extents_t *extents = (hb_extents_t *) data;
add_point (extents, control1_x, control1_y);
add_point (extents, control2_x, control2_y);
add_point (extents, to_x, to_y);
extents->add_point (control1_x, control1_y);
extents->add_point (control2_x, control2_y);
extents->add_point (to_x, to_y);
}
static inline void free_static_draw_extents_funcs ();

18
src/hb-paint-extents.hh
View File

@ -36,6 +36,7 @@ typedef struct hb_extents_t
xmin (xmin), ymin (ymin), xmax (xmax), ymax (ymax) {}
bool is_empty () const { return xmin >= xmax || ymin >= ymax; }
bool is_void () const { return xmin > xmax; }
void union_ (const hb_extents_t &o)
{
@ -53,6 +54,23 @@ typedef struct hb_extents_t
ymax = hb_min (ymax, o.ymax);
}
void
add_point (float x, float y)
{
if (unlikely (is_void ()))
{
xmin = xmax = x;
ymin = ymax = y;
}
else
{
xmin = hb_min (xmin, x);
ymin = hb_min (ymin, y);
xmax = hb_max (xmax, x);
ymax = hb_max (ymax, y);
}
}
float xmin = 0.f;
float ymin = 0.f;
float xmax = -1.f;