cairo_private cairo_status_t
_cairo_traps_path (const cairo_traps_t *traps,
cairo_path_fixed_t *path)
{
int i;
for (i = 0; i < traps->num_traps; i++) {
cairo_status_t status;
cairo_trapezoid_t trap = traps->traps[i];
if (trap.top == trap.bottom)
continue;
_sanitize_trap (&trap);
status = _cairo_path_fixed_move_to (path, trap.left.p1.x, trap.top);
if (unlikely (status)) return status;
status = _cairo_path_fixed_line_to (path, trap.right.p1.x, trap.top);
if (unlikely (status)) return status;
status = _cairo_path_fixed_line_to (path, trap.right.p2.x, trap.bottom);
if (unlikely (status)) return status;
status = _cairo_path_fixed_line_to (path, trap.left.p2.x, trap.bottom);
if (unlikely (status)) return status;
status = _cairo_path_fixed_close_path (path);
if (unlikely (status)) return status;
}
return CAIRO_STATUS_SUCCESS;
}
static cairo_status_t
_cairo_path_fixed_add_box (cairo_path_fixed_t *path,
const cairo_box_t *box,
cairo_fixed_t fx,
cairo_fixed_t fy)
{
cairo_status_t status;
status = _cairo_path_fixed_move_to (path, box->p1.x + fx, box->p1.y + fy);
if (unlikely (status))
return status;
status = _cairo_path_fixed_line_to (path, box->p2.x + fx, box->p1.y + fy);
if (unlikely (status))
return status;
status = _cairo_path_fixed_line_to (path, box->p2.x + fx, box->p2.y + fy);
if (unlikely (status))
return status;
status = _cairo_path_fixed_line_to (path, box->p1.x + fx, box->p2.y + fy);
if (unlikely (status))
return status;
return _cairo_path_fixed_close_path (path);
}
static cairo_status_t
_append_line_to (void *closure,
cairo_point_t *point)
{
cairo_path_fixed_t *path = (cairo_path_fixed_t *) closure;
return _cairo_path_fixed_line_to (path, point->x, point->y);
}
IFACEMETHODIMP_(void) EndFigure(
D2D1_FIGURE_END figureEnd)
{
if (figureEnd == D2D1_FIGURE_END_CLOSED) {
cairo_status_t status = _cairo_path_fixed_line_to(mCairoPath,
GetFixedX(mStartPoint),
GetFixedY(mStartPoint));
}
}
static cairo_status_t
_scaled_glyph_path_line_to (void *abstract_closure, cairo_point_t *point)
{
cairo_scaled_glyph_path_closure_t *closure = abstract_closure;
return _cairo_path_fixed_line_to (closure->path,
point->x + closure->offset.x,
point->y + closure->offset.y);
}
IFACEMETHODIMP_(void) AddLines(
const D2D1_POINT_2F *points,
UINT pointsCount)
{
for (unsigned int i = 0; i < pointsCount; i++) {
cairo_status_t status = _cairo_path_fixed_line_to(mCairoPath,
GetFixedX(points[i]),
GetFixedY(points[i]));
}
}
static cairo_status_t
_cairo_default_context_arc (void *abstract_cr,
double xc, double yc, double radius,
double angle1, double angle2,
cairo_bool_t forward)
{
cairo_default_context_t *cr = abstract_cr;
cairo_status_t status;
/* Do nothing, successfully, if radius is <= 0 */
if (radius <= 0.0) {
cairo_fixed_t x_fixed, y_fixed;
_cairo_gstate_user_to_backend (cr->gstate, &xc, &yc);
x_fixed = _cairo_fixed_from_double (xc);
y_fixed = _cairo_fixed_from_double (yc);
status = _cairo_path_fixed_line_to (cr->path, x_fixed, y_fixed);
if (unlikely (status))
return status;
status = _cairo_path_fixed_line_to (cr->path, x_fixed, y_fixed);
if (unlikely (status))
return status;
return CAIRO_STATUS_SUCCESS;
}
status = _cairo_default_context_line_to (cr,
xc + radius * cos (angle1),
yc + radius * sin (angle1));
if (unlikely (status))
return status;
if (forward)
_cairo_arc_path (&cr->base, xc, yc, radius, angle1, angle2);
else
_cairo_arc_path_negative (&cr->base, xc, yc, radius, angle1, angle2);
return CAIRO_STATUS_SUCCESS; /* any error will have already been set on cr */
}
static cairo_status_t
_cairo_default_context_line_to (void *abstract_cr, double x, double y)
{
cairo_default_context_t *cr = abstract_cr;
cairo_fixed_t x_fixed, y_fixed;
_cairo_gstate_user_to_backend (cr->gstate, &x, &y);
x_fixed = _cairo_fixed_from_double (x);
y_fixed = _cairo_fixed_from_double (y);
return _cairo_path_fixed_line_to (cr->path, x_fixed, y_fixed);
}
static void
_cairo_quartz_path_apply_func (void *info, const CGPathElement *el)
{
cairo_path_fixed_t *path = (cairo_path_fixed_t *) info;
cairo_status_t status;
switch (el->type) {
case kCGPathElementMoveToPoint:
status = _cairo_path_fixed_move_to (path,
_cairo_fixed_from_double(el->points[0].x),
_cairo_fixed_from_double(el->points[0].y));
assert(!status);
break;
case kCGPathElementAddLineToPoint:
status = _cairo_path_fixed_line_to (path,
_cairo_fixed_from_double(el->points[0].x),
_cairo_fixed_from_double(el->points[0].y));
assert(!status);
break;
case kCGPathElementAddQuadCurveToPoint: {
cairo_fixed_t fx, fy;
double x, y;
if (!_cairo_path_fixed_get_current_point (path, &fx, &fy))
fx = fy = 0;
x = _cairo_fixed_to_double (fx);
y = _cairo_fixed_to_double (fy);
status = _cairo_path_fixed_curve_to (path,
_cairo_fixed_from_double((x + el->points[0].x * 2.0) / 3.0),
_cairo_fixed_from_double((y + el->points[0].y * 2.0) / 3.0),
_cairo_fixed_from_double((el->points[0].x * 2.0 + el->points[1].x) / 3.0),
_cairo_fixed_from_double((el->points[0].y * 2.0 + el->points[1].y) / 3.0),
_cairo_fixed_from_double(el->points[1].x),
_cairo_fixed_from_double(el->points[1].y));
}
assert(!status);
break;
case kCGPathElementAddCurveToPoint:
status = _cairo_path_fixed_curve_to (path,
_cairo_fixed_from_double(el->points[0].x),
_cairo_fixed_from_double(el->points[0].y),
_cairo_fixed_from_double(el->points[1].x),
_cairo_fixed_from_double(el->points[1].y),
_cairo_fixed_from_double(el->points[2].x),
_cairo_fixed_from_double(el->points[2].y));
assert(!status);
break;
case kCGPathElementCloseSubpath:
status = _cairo_path_fixed_close_path (path);
assert(!status);
break;
}
}
cairo_status_t
_cairo_path_fixed_rel_line_to (cairo_path_fixed_t *path,
cairo_fixed_t dx,
cairo_fixed_t dy)
{
cairo_fixed_t x, y;
if (! path->has_current_point)
return _cairo_error (CAIRO_STATUS_NO_CURRENT_POINT);
x = path->current_point.x + dx;
y = path->current_point.y + dy;
return _cairo_path_fixed_line_to (path, x, y);
}
static OSStatus MyATSCubicLineToCallback(const Float32Point * pt,
void *callBackDataPtr)
{
cairo_ATSUI_glyph_path_callback_info_t *info = callBackDataPtr;
double scaledPt[2];
cairo_fixed_t x, y;
scaledPt[0] = pt->x;
scaledPt[1] = pt->y;
cairo_matrix_transform_point(&info->scale, &scaledPt[0], &scaledPt[1]);
x = _cairo_fixed_from_double(scaledPt[0]);
y = _cairo_fixed_from_double(scaledPt[1]);
_cairo_path_fixed_line_to(info->path, x, y);
return noErr;
}
/**
* _cairo_path_append_to_context:
* @path: the path data to be appended
* @cr: a cairo context
*
* Append @path to the current path within @cr.
*
* Return value: %CAIRO_STATUS_INVALID_PATH_DATA if the data in @path
* is invalid, and %CAIRO_STATUS_SUCCESS otherwise.
**/
cairo_status_t
_cairo_path_append_to_context (const cairo_path_t *path,
cairo_t *cr)
{
const cairo_path_data_t *p, *end;
cairo_fixed_t x1_fixed, y1_fixed;
cairo_fixed_t x2_fixed, y2_fixed;
cairo_fixed_t x3_fixed, y3_fixed;
cairo_matrix_t user_to_backend;
cairo_status_t status;
double x, y;
user_to_backend = cr->gstate->ctm;
cairo_matrix_multiply (&user_to_backend,
&user_to_backend,
&cr->gstate->target->device_transform);
end = &path->data[path->num_data];
for (p = &path->data[0]; p < end; p += p->header.length) {
switch (p->header.type) {
case CAIRO_PATH_MOVE_TO:
if (unlikely (p->header.length < 2))
return _cairo_error (CAIRO_STATUS_INVALID_PATH_DATA);
x = p[1].point.x, y = p[1].point.y;
cairo_matrix_transform_point (&user_to_backend, &x, &y);
x1_fixed = _cairo_fixed_from_double (x);
y1_fixed = _cairo_fixed_from_double (y);
status = _cairo_path_fixed_move_to (cr->path, x1_fixed, y1_fixed);
break;
case CAIRO_PATH_LINE_TO:
if (unlikely (p->header.length < 2))
return _cairo_error (CAIRO_STATUS_INVALID_PATH_DATA);
x = p[1].point.x, y = p[1].point.y;
cairo_matrix_transform_point (&user_to_backend, &x, &y);
x1_fixed = _cairo_fixed_from_double (x);
y1_fixed = _cairo_fixed_from_double (y);
status = _cairo_path_fixed_line_to (cr->path, x1_fixed, y1_fixed);
break;
case CAIRO_PATH_CURVE_TO:
if (unlikely (p->header.length < 4))
return _cairo_error (CAIRO_STATUS_INVALID_PATH_DATA);
x = p[1].point.x, y = p[1].point.y;
cairo_matrix_transform_point (&user_to_backend, &x, &y);
x1_fixed = _cairo_fixed_from_double (x);
y1_fixed = _cairo_fixed_from_double (y);
x = p[2].point.x, y = p[2].point.y;
cairo_matrix_transform_point (&user_to_backend, &x, &y);
x2_fixed = _cairo_fixed_from_double (x);
y2_fixed = _cairo_fixed_from_double (y);
x = p[3].point.x, y = p[3].point.y;
cairo_matrix_transform_point (&user_to_backend, &x, &y);
x3_fixed = _cairo_fixed_from_double (x);
y3_fixed = _cairo_fixed_from_double (y);
status = _cairo_path_fixed_curve_to (cr->path,
x1_fixed, y1_fixed,
x2_fixed, y2_fixed,
x3_fixed, y3_fixed);
break;
case CAIRO_PATH_CLOSE_PATH:
if (unlikely (p->header.length < 1))
return _cairo_error (CAIRO_STATUS_INVALID_PATH_DATA);
status = _cairo_path_fixed_close_path (cr->path);
break;
default:
return _cairo_error (CAIRO_STATUS_INVALID_PATH_DATA);
}
if (unlikely (status))
return status;
}
return CAIRO_STATUS_SUCCESS;
}
