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_curve_to (cairo_path_fixed_t *path,
cairo_fixed_t dx0, cairo_fixed_t dy0,
cairo_fixed_t dx1, cairo_fixed_t dy1,
cairo_fixed_t dx2, cairo_fixed_t dy2)
{
cairo_fixed_t x0, y0;
cairo_fixed_t x1, y1;
cairo_fixed_t x2, y2;
if (! path->has_current_point)
return _cairo_error (CAIRO_STATUS_NO_CURRENT_POINT);
x0 = path->current_point.x + dx0;
y0 = path->current_point.y + dy0;
x1 = path->current_point.x + dx1;
y1 = path->current_point.y + dy1;
x2 = path->current_point.x + dx2;
y2 = path->current_point.y + dy2;
return _cairo_path_fixed_curve_to (path,
x0, y0,
x1, y1,
x2, y2);
}
static cairo_status_t
_cairo_default_context_curve_to (void *abstract_cr,
double x1, double y1,
double x2, double y2,
double x3, double y3)
{
cairo_default_context_t *cr = abstract_cr;
cairo_fixed_t x1_fixed, y1_fixed;
cairo_fixed_t x2_fixed, y2_fixed;
cairo_fixed_t x3_fixed, y3_fixed;
_cairo_gstate_user_to_backend (cr->gstate, &x1, &y1);
_cairo_gstate_user_to_backend (cr->gstate, &x2, &y2);
_cairo_gstate_user_to_backend (cr->gstate, &x3, &y3);
x1_fixed = _cairo_fixed_from_double (x1);
y1_fixed = _cairo_fixed_from_double (y1);
x2_fixed = _cairo_fixed_from_double (x2);
y2_fixed = _cairo_fixed_from_double (y2);
x3_fixed = _cairo_fixed_from_double (x3);
y3_fixed = _cairo_fixed_from_double (y3);
return _cairo_path_fixed_curve_to (cr->path,
x1_fixed, y1_fixed,
x2_fixed, y2_fixed,
x3_fixed, y3_fixed);
}
static cairo_status_t
_append_curve_to (void *closure,
cairo_point_t *p0,
cairo_point_t *p1,
cairo_point_t *p2)
{
cairo_path_fixed_t *path = (cairo_path_fixed_t *) closure;
return _cairo_path_fixed_curve_to (path, p0->x, p0->y, p1->x, p1->y, p2->x, p2->y);
}
IFACEMETHODIMP_(void) AddBeziers(
const D2D1_BEZIER_SEGMENT *beziers,
UINT beziersCount)
{
for (unsigned int i = 0; i < beziersCount; i++) {
cairo_status_t status = _cairo_path_fixed_curve_to(mCairoPath,
GetFixedX(beziers[i].point1),
GetFixedY(beziers[i].point1),
GetFixedX(beziers[i].point2),
GetFixedY(beziers[i].point2),
GetFixedX(beziers[i].point3),
GetFixedY(beziers[i].point3));
}
}
static cairo_status_t
_scaled_glyph_path_curve_to (void *abstract_closure,
cairo_point_t *p0,
cairo_point_t *p1,
cairo_point_t *p2)
{
cairo_scaled_glyph_path_closure_t *closure = abstract_closure;
return _cairo_path_fixed_curve_to (closure->path,
p0->x + closure->offset.x,
p0->y + closure->offset.y,
p1->x + closure->offset.x,
p1->y + closure->offset.y,
p2->x + closure->offset.x,
p2->y + closure->offset.y);
}
static OSStatus MyATSCubicCurveToCallback(const Float32Point * pt1,
const Float32Point * pt2,
const Float32Point * pt3,
void *callBackDataPtr)
{
cairo_ATSUI_glyph_path_callback_info_t *info = callBackDataPtr;
double scaledPt[2];
cairo_fixed_t x0, y0;
cairo_fixed_t x1, y1;
cairo_fixed_t x2, y2;
scaledPt[0] = pt1->x;
scaledPt[1] = pt1->y;
cairo_matrix_transform_point(&info->scale, &scaledPt[0], &scaledPt[1]);
x0 = _cairo_fixed_from_double(scaledPt[0]);
y0 = _cairo_fixed_from_double(scaledPt[1]);
scaledPt[0] = pt2->x;
scaledPt[1] = pt2->y;
cairo_matrix_transform_point(&info->scale, &scaledPt[0], &scaledPt[1]);
x1 = _cairo_fixed_from_double(scaledPt[0]);
y1 = _cairo_fixed_from_double(scaledPt[1]);
scaledPt[0] = pt3->x;
scaledPt[1] = pt3->y;
cairo_matrix_transform_point(&info->scale, &scaledPt[0], &scaledPt[1]);
x2 = _cairo_fixed_from_double(scaledPt[0]);
y2 = _cairo_fixed_from_double(scaledPt[1]);
_cairo_path_fixed_curve_to(info->path, x0, y0, x1, y1, x2, y2);
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;
}
