static int
settings_get (cairo_t *cr, settings_t *settings)
{
int count;
settings->op = cairo_get_operator (cr);
settings->tolerance = cairo_get_tolerance (cr);
settings->fill_rule = cairo_get_fill_rule (cr);
settings->line_width = cairo_get_line_width (cr);
settings->line_cap = cairo_get_line_cap (cr);
settings->line_join = cairo_get_line_join (cr);
settings->miter_limit = cairo_get_miter_limit (cr);
cairo_get_matrix (cr, &settings->matrix);
count = cairo_get_dash_count (cr);
if (count != 5)
return -1;
cairo_get_dash (cr, settings->dash, &settings->dash_offset);
return 0;
}
static cairo_path_t *
_cairo_path_create_internal (cairo_path_fixed_t *path_fixed,
cairo_t *cr,
cairo_bool_t flatten)
{
cairo_path_t *path;
path = xmemory_alloc (sizeof (cairo_path_t));
if (unlikely (path == XNULL)) {
_cairo_error_throw (CAIRO_STATUS_NO_MEMORY);
return (cairo_path_t*) &_cairo_path_nil;
}
path->num_data = _cairo_path_count (path, path_fixed,
cairo_get_tolerance (cr),
flatten);
if (path->num_data < 0) {
xmemory_free (path);
return (cairo_path_t*) &_cairo_path_nil;
}
if (path->num_data) {
path->data = _cairo_malloc_ab (path->num_data,
sizeof (cairo_path_data_t));
if (unlikely (path->data == XNULL)) {
xmemory_free (path);
_cairo_error_throw (CAIRO_STATUS_NO_MEMORY);
return (cairo_path_t*) &_cairo_path_nil;
}
path->status = _cairo_path_populate (path, path_fixed, cr, flatten);
} else {
path->data = XNULL;
path->status = CAIRO_STATUS_SUCCESS;
}
return path;
}
static cairo_status_t
_cairo_path_populate (cairo_path_t *path,
cairo_path_fixed_t *path_fixed,
cairo_t *cr,
cairo_bool_t flatten)
{
cairo_status_t status;
cpp_t cpp;
cpp.data = path->data;
cpp.cr = cr;
if (flatten) {
status = _cairo_path_fixed_interpret_flat (path_fixed,
_cpp_move_to,
_cpp_line_to,
_cpp_close_path,
&cpp,
cairo_get_tolerance (cr));
} else {
status = _cairo_path_fixed_interpret (path_fixed,
_cpp_move_to,
_cpp_line_to,
_cpp_curve_to,
_cpp_close_path,
&cpp);
}
if (unlikely (status))
return status;
/* Sanity check the count */
XASSERT (cpp.data - path->data == path->num_data);
return CAIRO_STATUS_SUCCESS;
}
double lime_cairo_get_tolerance (value handle) {
return cairo_get_tolerance ((cairo_t*)val_data (handle));
}
double lime_cairo_get_tolerance (double handle) {
return cairo_get_tolerance ((cairo_t*)(intptr_t)handle);
}
static PyObject *
pycairo_get_tolerance (PycairoContext *o)
{
return PyFloat_FromDouble (cairo_get_tolerance (o->ctx));
}
double Context::getTolerance() const
{
return cairo_get_tolerance( mCairo );
}
static VALUE
cr_get_tolerance (VALUE self)
{
return rb_float_new (cairo_get_tolerance (_SELF));
}
static void
_cairo_arc_in_direction (cairo_t *cr,
double xc,
double yc,
double radius,
double angle_min,
double angle_max,
cairo_direction_t dir)
{
if (cairo_status (cr))
return;
XASSERT (angle_max >= angle_min);
if (angle_max - angle_min > 2 * M_PI * MAX_FULL_CIRCLES) {
angle_max = fmod (angle_max - angle_min, 2 * M_PI);
angle_min = fmod (angle_min, 2 * M_PI);
angle_max += angle_min + 2 * M_PI * MAX_FULL_CIRCLES;
}
/* Recurse if drawing arc larger than pi */
if (angle_max - angle_min > M_PI) {
double angle_mid = angle_min + (angle_max - angle_min) / 2.0;
if (dir == CAIRO_DIRECTION_FORWARD) {
_cairo_arc_in_direction (cr, xc, yc, radius,
angle_min, angle_mid,
dir);
_cairo_arc_in_direction (cr, xc, yc, radius,
angle_mid, angle_max,
dir);
} else {
_cairo_arc_in_direction (cr, xc, yc, radius,
angle_mid, angle_max,
dir);
_cairo_arc_in_direction (cr, xc, yc, radius,
angle_min, angle_mid,
dir);
}
} else if (angle_max != angle_min) {
cairo_matrix_t ctm;
int i, segments;
double step;
cairo_get_matrix (cr, &ctm);
segments = _arc_segments_needed (angle_max - angle_min,
radius, &ctm,
cairo_get_tolerance (cr));
step = (angle_max - angle_min) / segments;
segments -= 1;
if (dir == CAIRO_DIRECTION_REVERSE) {
double t;
t = angle_min;
angle_min = angle_max;
angle_max = t;
step = -step;
}
for (i = 0; i < segments; i++, angle_min += step) {
_cairo_arc_segment (cr, xc, yc, radius,
angle_min, angle_min + step);
}
_cairo_arc_segment (cr, xc, yc, radius,
angle_min, angle_max);
} else {
cairo_line_to (cr,
xc + radius * cos (angle_min),
yc + radius * sin (angle_min));
}
}
static int
cr_get_tolerance (lua_State *L) {
cairo_t **obj = luaL_checkudata(L, 1, OOCAIRO_MT_NAME_CONTEXT);
lua_pushnumber(L, cairo_get_tolerance(*obj));
return 1;
}