static VALUE
cr_clip_rectangle_list (VALUE self)
{
VALUE rb_rectangles;
cairo_rectangle_list_t *rectangles;
int i;
rectangles = cairo_copy_clip_rectangle_list (_SELF);
rb_cairo_check_status (rectangles->status);
rb_rectangles = rb_ary_new2 (rectangles->num_rectangles);
for (i = 0; i < rectangles->num_rectangles; i++) {
VALUE argv[4];
cairo_rectangle_t rectangle = rectangles->rectangles[i];
argv[0] = rb_float_new (rectangle.x);
argv[1] = rb_float_new (rectangle.y);
argv[2] = rb_float_new (rectangle.width);
argv[3] = rb_float_new (rectangle.height);
rb_ary_push (rb_rectangles,
rb_class_new_instance (4, argv, rb_cCairo_Rectangle));
}
cairo_rectangle_list_destroy (rectangles);
return rb_rectangles;
}
static PyObject *
pycairo_copy_clip_rectangle_list (PycairoContext *o) {
int i;
PyObject *rv = NULL;
cairo_rectangle_t *r;
cairo_rectangle_list_t *rlist = cairo_copy_clip_rectangle_list (o->ctx);
if (rlist->status != CAIRO_STATUS_SUCCESS) {
Pycairo_Check_Status (rlist->status);
goto exit;
}
rv = PyTuple_New(rlist->num_rectangles);
if (rv == NULL)
goto exit;
for (i = 0, r = rlist->rectangles; i < rlist->num_rectangles; i++, r++) {
PyObject *py_rect = Py_BuildValue("(dddd)", r->x, r->y,
r->width, r->height);
if (py_rect == NULL) {
Py_CLEAR(rv);
goto exit;
}
PyTuple_SET_ITEM (rv, i, py_rect);
}
exit:
cairo_rectangle_list_destroy(rlist);
return rv;
}
bool
gfxContext::ClipContainsRect(const gfxRect& aRect)
{
cairo_rectangle_list_t *clip =
cairo_copy_clip_rectangle_list(mCairo);
bool result = false;
if (clip->status == CAIRO_STATUS_SUCCESS) {
for (int i = 0; i < clip->num_rectangles; i++) {
gfxRect rect(clip->rectangles[i].x, clip->rectangles[i].y,
clip->rectangles[i].width, clip->rectangles[i].height);
if (rect.Contains(aRect)) {
result = PR_TRUE;
break;
}
}
}
cairo_rectangle_list_destroy(clip);
return result;
}
static bool
_get_rectangular_clip (cairo_t *cr,
const nsIntRect& bounds,
bool *need_clip,
nsIntRect *rectangles, int max_rectangles,
int *num_rectangles)
{
cairo_rectangle_list_t *cliplist;
cairo_rectangle_t *clips;
int i;
bool retval = true;
cliplist = cairo_copy_clip_rectangle_list (cr);
if (cliplist->status != CAIRO_STATUS_SUCCESS) {
retval = false;
NATIVE_DRAWING_NOTE("FALLBACK: non-rectangular clip");
goto FINISH;
}
/* the clip is always in surface backend coordinates (i.e. native backend coords) */
clips = cliplist->rectangles;
for (i = 0; i < cliplist->num_rectangles; ++i) {
nsIntRect rect;
if (!_convert_coord_to_int (clips[i].x, &rect.x) ||
!_convert_coord_to_int (clips[i].y, &rect.y) ||
!_convert_coord_to_int (clips[i].width, &rect.width) ||
!_convert_coord_to_int (clips[i].height, &rect.height))
{
retval = false;
NATIVE_DRAWING_NOTE("FALLBACK: non-integer clip");
goto FINISH;
}
if (rect.IsEqualInterior(bounds)) {
/* the bounds are entirely inside the clip region so we don't need to clip. */
*need_clip = false;
goto FINISH;
}
NS_ASSERTION(bounds.Contains(rect),
"Was expecting to be clipped to bounds");
if (i >= max_rectangles) {
retval = false;
NATIVE_DRAWING_NOTE("FALLBACK: unsupported clip rectangle count");
goto FINISH;
}
rectangles[i] = rect;
}
*need_clip = true;
*num_rectangles = cliplist->num_rectangles;
FINISH:
cairo_rectangle_list_destroy (cliplist);
return retval;
}
static void
gimp_display_shell_canvas_draw_image (GimpDisplayShell *shell,
cairo_t *cr)
{
cairo_rectangle_list_t *clip_rectangles;
cairo_rectangle_int_t image_rect;
image_rect.x = - shell->offset_x;
image_rect.y = - shell->offset_y;
gimp_display_shell_scale_get_image_size (shell,
&image_rect.width,
&image_rect.height);
/* first, clear the exposed part of the region that is outside the
* image, which is the exposed region minus the image rectangle
*/
cairo_save (cr);
if (shell->rotate_transform)
cairo_transform (cr, shell->rotate_transform);
cairo_rectangle (cr,
image_rect.x,
image_rect.y,
image_rect.width,
image_rect.height);
cairo_set_fill_rule (cr, CAIRO_FILL_RULE_EVEN_ODD);
cairo_clip (cr);
if (gdk_cairo_get_clip_rectangle (cr, NULL))
gimp_display_shell_draw_background (shell, cr);
cairo_restore (cr);
/* then, draw the exposed part of the region that is inside the
* image
*/
cairo_save (cr);
clip_rectangles = cairo_copy_clip_rectangle_list (cr);
if (shell->rotate_transform)
cairo_transform (cr, shell->rotate_transform);
cairo_rectangle (cr,
image_rect.x,
image_rect.y,
image_rect.width,
image_rect.height);
cairo_clip (cr);
if (gdk_cairo_get_clip_rectangle (cr, NULL))
{
gint i;
cairo_save (cr);
gimp_display_shell_draw_checkerboard (shell, cr);
cairo_restore (cr);
for (i = 0; i < clip_rectangles->num_rectangles; i++)
{
cairo_rectangle_t rect = clip_rectangles->rectangles[i];
gimp_display_shell_draw_image (shell, cr,
floor (rect.x),
floor (rect.y),
ceil (rect.width),
ceil (rect.height));
}
}
cairo_rectangle_list_destroy (clip_rectangles);
cairo_restore (cr);
/* finally, draw all the remaining image window stuff on top
*/
/* draw canvas items */
cairo_save (cr);
if (shell->rotate_transform)
cairo_transform (cr, shell->rotate_transform);
gimp_canvas_item_draw (shell->canvas_item, cr);
cairo_restore (cr);
gimp_canvas_item_draw (shell->unrotated_item, cr);
/* restart (and recalculate) the selection boundaries */
gimp_display_shell_selection_restart (shell);
}
static cairo_test_status_t
preamble (cairo_test_context_t *ctx)
{
cairo_surface_t *surface;
cairo_t *cr;
cairo_rectangle_list_t *rectangle_list;
const char *phase;
cairo_status_t status;
surface = cairo_image_surface_create (CAIRO_FORMAT_ARGB32, 0, 0);
cr = cairo_create (surface);
cairo_surface_destroy (surface);
/* first, test basic stuff. This should not be clipped, it should
return the surface rectangle. */
phase = "No clip set";
rectangle_list = cairo_copy_clip_rectangle_list (cr);
if (! check_count (ctx, phase, rectangle_list, 1) ||
! check_clip_extents (ctx, phase, cr, 0, 0, 100, 100) ||
! check_rectangles_contain (ctx, phase, rectangle_list, 0, 0, 100, 100))
{
goto FAIL;
}
cairo_rectangle_list_destroy (rectangle_list);
/* Test simple clip rect. */
phase = "Simple clip rect";
cairo_save (cr);
cairo_rectangle (cr, 10, 10, 80, 80);
cairo_clip (cr);
rectangle_list = cairo_copy_clip_rectangle_list (cr);
if (! check_count (ctx, phase, rectangle_list, 1) ||
! check_clip_extents (ctx, phase, cr, 10, 10, 80, 80) ||
! check_rectangles_contain (ctx, phase, rectangle_list, 10, 10, 80, 80))
{
goto FAIL;
}
cairo_rectangle_list_destroy (rectangle_list);
cairo_restore (cr);
/* Test everything clipped out. */
phase = "All clipped out";
cairo_save (cr);
cairo_clip (cr);
rectangle_list = cairo_copy_clip_rectangle_list (cr);
if (! check_count (ctx, phase, rectangle_list, 0))
{
goto FAIL;
}
cairo_rectangle_list_destroy (rectangle_list);
cairo_restore (cr);
/* test two clip rects */
phase = "Two clip rects";
cairo_save (cr);
cairo_rectangle (cr, 10, 10, 10, 10);
cairo_rectangle (cr, 20, 20, 10, 10);
cairo_clip (cr);
cairo_rectangle (cr, 15, 15, 10, 10);
cairo_clip (cr);
rectangle_list = cairo_copy_clip_rectangle_list (cr);
if (! check_count (ctx, phase, rectangle_list, 2) ||
! check_clip_extents (ctx, phase, cr, 15, 15, 10, 10) ||
! check_rectangles_contain (ctx, phase, rectangle_list, 15, 15, 5, 5) ||
! check_rectangles_contain (ctx, phase, rectangle_list, 20, 20, 5, 5))
{
goto FAIL;
}
cairo_rectangle_list_destroy (rectangle_list);
cairo_restore (cr);
/* test non-rectangular clip */
phase = "Nonrectangular clip";
cairo_save (cr);
cairo_move_to (cr, 0, 0);
cairo_line_to (cr, 100, 100);
cairo_line_to (cr, 100, 0);
cairo_close_path (cr);
cairo_clip (cr);
rectangle_list = cairo_copy_clip_rectangle_list (cr);
/* can't get this in one tight user-space rectangle */
if (! check_unrepresentable (ctx, phase, rectangle_list) ||
! check_clip_extents (ctx, phase, cr, 0, 0, 100, 100))
{
goto FAIL;
}
cairo_rectangle_list_destroy (rectangle_list);
cairo_restore (cr);
phase = "User space, simple scale, getting clip with same transform";
cairo_save (cr);
cairo_scale (cr, 2, 2);
cairo_rectangle (cr, 5, 5, 40, 40);
cairo_clip (cr);
rectangle_list = cairo_copy_clip_rectangle_list (cr);
if (! check_count (ctx, phase, rectangle_list, 1) ||
! check_clip_extents (ctx, phase, cr, 5, 5, 40, 40) ||
! check_rectangles_contain (ctx, phase, rectangle_list, 5, 5, 40, 40))
{
goto FAIL;
}
cairo_rectangle_list_destroy (rectangle_list);
cairo_restore (cr);
phase = "User space, simple scale, getting clip with no transform";
cairo_save (cr);
cairo_save (cr);
cairo_scale (cr, 2, 2);
cairo_rectangle (cr, 5, 5, 40, 40);
cairo_restore (cr);
cairo_clip (cr);
rectangle_list = cairo_copy_clip_rectangle_list (cr);
if (! check_count (ctx, phase, rectangle_list, 1) ||
! check_clip_extents (ctx, phase, cr, 10, 10, 80, 80) ||
! check_rectangles_contain (ctx, phase, rectangle_list, 10, 10, 80, 80))
{
goto FAIL;
}
cairo_rectangle_list_destroy (rectangle_list);
cairo_restore (cr);
phase = "User space, rotation, getting clip with no transform";
cairo_save (cr);
cairo_save (cr);
cairo_rotate (cr, 12);
cairo_rectangle (cr, 5, 5, 40, 40);
cairo_restore (cr);
cairo_clip (cr);
rectangle_list = cairo_copy_clip_rectangle_list (cr);
if (! check_unrepresentable (ctx, phase, rectangle_list))
goto FAIL;
FAIL:
cairo_rectangle_list_destroy (rectangle_list);
status = cairo_status (cr);
cairo_destroy (cr);
return cairo_test_status_from_status (ctx, status);
}
static gboolean
goc_canvas_draw (GtkWidget *widget, cairo_t *cr)
{
double x0, y0, x1, y1;
double ax0, ay0, ax1, ay1;
double clip_x1, clip_y1, clip_x2, clip_y2;
GocCanvas *canvas = GOC_CANVAS (widget);
GdkEventExpose *event = (GdkEventExpose *) gtk_get_current_event ();
GocCanvasPrivate *priv = (GocCanvasPrivate *) canvas->priv;
cairo_rectangle_list_t *l = cairo_copy_clip_rectangle_list (cr);
int i, x, y;
if (GOC_IS_ITEM (priv->invalidated_item) && priv->invalid_region) {
/* evaluate the cairo clipped region and compare with the saved one */
cairo_region_t *region;
cairo_rectangle_int_t rect[l->num_rectangles];
for (i= 0; i < l->num_rectangles; i++) {
rect[i].x = l->rectangles[i].x;
rect[i].y = l->rectangles[i].y;
rect[i].width = l->rectangles[i].width;
rect[i].height = l->rectangles[i].height;
}
region = cairo_region_create_rectangles (rect, l->num_rectangles);
if (cairo_region_equal (priv->invalid_region, region)) {
cairo_rectangle_list_destroy (l);
cairo_region_destroy (region);
/* looks like each time we call gtk_widget_queue_draw*,
the draw event is fired twice */
if (priv->done) {
priv->invalidated_item = NULL;
cairo_region_destroy (priv->invalid_region);
priv->invalid_region = NULL;
} else {
goc_item_draw (priv->invalidated_item, cr);
priv->done = TRUE;
}
return TRUE;
}
cairo_region_destroy (region);
}
x = gtk_adjustment_get_value (gtk_scrollable_get_hadjustment (GTK_SCROLLABLE (canvas)));
y = gtk_adjustment_get_value (gtk_scrollable_get_vadjustment (GTK_SCROLLABLE (canvas)));
cairo_translate (cr, -x, -y);
goc_item_get_bounds (GOC_ITEM (canvas->root),&x0, &y0, &x1, &y1);
for (i= 0; i < l->num_rectangles; i++) {
cairo_save (cr);
cairo_rectangle (cr, l->rectangles[i].x, l->rectangles[i].y,
l->rectangles[i].width, l->rectangles[i].height);
cairo_clip (cr);
clip_x1 = l->rectangles[i].x;
clip_y1 = l->rectangles[i].y;
clip_x2 = clip_x1 + l->rectangles[i].width;
clip_y2 = clip_y1 + l->rectangles[i].height;
if (canvas->direction == GOC_DIRECTION_RTL) {
ax1 = (double) (canvas->width - clip_x1) / canvas->pixels_per_unit + canvas->scroll_x1;
ax0 = (double) (canvas->width - clip_x2) / canvas->pixels_per_unit + canvas->scroll_x1;
} else {
ax0 = (double) clip_x1 / canvas->pixels_per_unit + canvas->scroll_x1;
ax1 = ((double) clip_x1 + event->area.width) / canvas->pixels_per_unit + canvas->scroll_x1;
}
ay0 = (double) clip_y1 / canvas->pixels_per_unit + canvas->scroll_y1;
ay1 = (double) clip_y2 / canvas->pixels_per_unit + canvas->scroll_y1;
if (x0 <= ax1 && x1 >= ax0 && y0 <= ay1 && y1 >= ay0) {
canvas->cur_event = (GdkEvent *) event;
goc_item_draw_region (GOC_ITEM (canvas->root), cr, ax0, ay0, ax1, ay1);
}
cairo_restore (cr);
}
cairo_rectangle_list_destroy (l);
return TRUE;
}
static cairo_test_status_t
draw (cairo_t *cr, int width, int height)
{
const cairo_test_context_t *ctx = cairo_test_get_context (cr);
cairo_surface_t *surface;
cairo_t *cr2;
cairo_rectangle_list_t *rectangle_list;
const char *phase;
cairo_bool_t uses_clip_rects;
surface = cairo_surface_create_similar (cairo_get_group_target (cr),
CAIRO_CONTENT_COLOR, 100, 100);
/* don't use cr accidentally */
cr = NULL;
cr2 = cairo_create (surface);
cairo_surface_destroy (surface);
/* Check the surface type so we ignore cairo_copy_clip_rectangle_list failures
* on surface types that don't use rectangle lists for clipping.
* Default to FALSE for the internal surface types, (meta, test-fallback, etc.)
*/
switch (cairo_surface_get_type (surface)) {
case CAIRO_SURFACE_TYPE_IMAGE:
case CAIRO_SURFACE_TYPE_XLIB:
case CAIRO_SURFACE_TYPE_XCB:
case CAIRO_SURFACE_TYPE_GLITZ:
case CAIRO_SURFACE_TYPE_WIN32:
case CAIRO_SURFACE_TYPE_BEOS:
case CAIRO_SURFACE_TYPE_DIRECTFB:
uses_clip_rects = TRUE;
break;
case CAIRO_SURFACE_TYPE_QUARTZ:
case CAIRO_SURFACE_TYPE_PDF:
case CAIRO_SURFACE_TYPE_PS:
case CAIRO_SURFACE_TYPE_SVG:
case CAIRO_SURFACE_TYPE_OS2:
default:
uses_clip_rects = FALSE;
break;
}
/* first, test basic stuff. This should not be clipped, it should
return the surface rectangle. */
phase = "No clip set";
rectangle_list = cairo_copy_clip_rectangle_list (cr2);
if (!check_count (ctx, phase, uses_clip_rects, rectangle_list, 1) ||
!check_clip_extents (ctx, phase, cr2, 0, 0, 100, 100) ||
!check_rectangles_contain (ctx, phase, uses_clip_rects, rectangle_list, 0, 0, 100, 100)) {
cairo_rectangle_list_destroy (rectangle_list);
return CAIRO_TEST_FAILURE;
}
cairo_rectangle_list_destroy (rectangle_list);
/* Test simple clip rect. */
phase = "Simple clip rect";
cairo_save (cr2);
cairo_rectangle (cr2, 10, 10, 80, 80);
cairo_clip (cr2);
rectangle_list = cairo_copy_clip_rectangle_list (cr2);
if (!check_count (ctx, phase, uses_clip_rects, rectangle_list, 1) ||
!check_clip_extents (ctx, phase, cr2, 10, 10, 80, 80) ||
!check_rectangles_contain (ctx, phase, uses_clip_rects, rectangle_list, 10, 10, 80, 80)) {
cairo_rectangle_list_destroy (rectangle_list);
return CAIRO_TEST_FAILURE;
}
cairo_rectangle_list_destroy (rectangle_list);
cairo_restore (cr2);
/* Test everything clipped out. */
phase = "All clipped out";
cairo_save (cr2);
cairo_clip (cr2);
rectangle_list = cairo_copy_clip_rectangle_list (cr2);
if (!check_count (ctx, phase, uses_clip_rects, rectangle_list, 0)) {
cairo_rectangle_list_destroy (rectangle_list);
return CAIRO_TEST_FAILURE;
}
cairo_rectangle_list_destroy (rectangle_list);
cairo_restore (cr2);
/* test two clip rects */
phase = "Two clip rects";
cairo_save (cr2);
cairo_rectangle (cr2, 10, 10, 10, 10);
cairo_rectangle (cr2, 20, 20, 10, 10);
cairo_clip (cr2);
cairo_rectangle (cr2, 15, 15, 10, 10);
cairo_clip (cr2);
rectangle_list = cairo_copy_clip_rectangle_list (cr2);
if (!check_count (ctx, phase, uses_clip_rects, rectangle_list, 2) ||
!check_clip_extents (ctx, phase, cr2, 15, 15, 10, 10) ||
!check_rectangles_contain (ctx, phase, uses_clip_rects, rectangle_list, 15, 15, 5, 5) ||
!check_rectangles_contain (ctx, phase, uses_clip_rects, rectangle_list, 20, 20, 5, 5)) {
cairo_rectangle_list_destroy (rectangle_list);
return CAIRO_TEST_FAILURE;
}
cairo_rectangle_list_destroy (rectangle_list);
cairo_restore (cr2);
/* test non-rectangular clip */
phase = "Nonrectangular clip";
cairo_save (cr2);
cairo_move_to (cr2, 0, 0);
cairo_line_to (cr2, 100, 100);
cairo_line_to (cr2, 100, 0);
cairo_close_path (cr2);
cairo_clip (cr2);
rectangle_list = cairo_copy_clip_rectangle_list (cr2);
/* can't get this in one tight user-space rectangle */
if (!check_unrepresentable (ctx, phase, rectangle_list) ||
!check_clip_extents (ctx, phase, cr2, 0, 0, 100, 100)) {
cairo_rectangle_list_destroy (rectangle_list);
return CAIRO_TEST_FAILURE;
}
cairo_rectangle_list_destroy (rectangle_list);
cairo_restore (cr2);
phase = "User space, simple scale, getting clip with same transform";
cairo_save (cr2);
cairo_scale (cr2, 2, 2);
cairo_rectangle (cr2, 5, 5, 40, 40);
cairo_clip (cr2);
rectangle_list = cairo_copy_clip_rectangle_list (cr2);
if (!check_count (ctx, phase, uses_clip_rects, rectangle_list, 1) ||
!check_clip_extents (ctx, phase, cr2, 5, 5, 40, 40) ||
!check_rectangles_contain (ctx, phase, uses_clip_rects, rectangle_list, 5, 5, 40, 40)) {
cairo_rectangle_list_destroy (rectangle_list);
return CAIRO_TEST_FAILURE;
}
cairo_rectangle_list_destroy (rectangle_list);
cairo_restore (cr2);
phase = "User space, simple scale, getting clip with no transform";
cairo_save (cr2);
cairo_save (cr2);
cairo_scale (cr2, 2, 2);
cairo_rectangle (cr2, 5, 5, 40, 40);
cairo_restore (cr2);
cairo_clip (cr2);
rectangle_list = cairo_copy_clip_rectangle_list (cr2);
if (!check_count (ctx, phase, uses_clip_rects, rectangle_list, 1) ||
!check_clip_extents (ctx, phase, cr2, 10, 10, 80, 80) ||
!check_rectangles_contain (ctx, phase, uses_clip_rects, rectangle_list, 10, 10, 80, 80)) {
cairo_rectangle_list_destroy (rectangle_list);
return CAIRO_TEST_FAILURE;
}
cairo_rectangle_list_destroy (rectangle_list);
cairo_restore (cr2);
phase = "User space, rotation, getting clip with no transform";
cairo_save (cr2);
cairo_save (cr2);
cairo_rotate (cr2, 12);
cairo_rectangle (cr2, 5, 5, 40, 40);
cairo_restore (cr2);
cairo_clip (cr2);
rectangle_list = cairo_copy_clip_rectangle_list (cr2);
if (!check_unrepresentable (ctx, phase, rectangle_list)) {
cairo_rectangle_list_destroy (rectangle_list);
return CAIRO_TEST_FAILURE;
}
cairo_rectangle_list_destroy (rectangle_list);
cairo_restore (cr2);
cairo_destroy (cr2);
return CAIRO_TEST_SUCCESS;
}
static cairo_bool_t
_get_rectangular_clip (cairo_t *cr,
int bounds_x, int bounds_y,
int bounds_width, int bounds_height,
cairo_bool_t *need_clip,
XRectangle *rectangles, int max_rectangles,
int *num_rectangles)
{
cairo_rectangle_list_t *cliplist;
cairo_rectangle_t *clips;
int i;
double b_x = bounds_x;
double b_y = bounds_y;
double b_x_most = bounds_x + bounds_width;
double b_y_most = bounds_y + bounds_height;
int rect_count = 0;
cairo_bool_t retval = True;
cliplist = cairo_copy_clip_rectangle_list (cr);
if (cliplist->status != CAIRO_STATUS_SUCCESS) {
retval = False;
goto FINISH;
}
if (cliplist->num_rectangles == 0) {
*num_rectangles = 0;
*need_clip = True;
goto FINISH;
}
clips = cliplist->rectangles;
for (i = 0; i < cliplist->num_rectangles; ++i) {
double intersect_x, intersect_y, intersect_x_most, intersect_y_most;
/* the clip is always in surface backend coordinates (i.e. native backend coords) */
if (b_x >= clips[i].x && b_x_most <= clips[i].x + clips[i].width &&
b_y >= clips[i].y && b_y_most <= clips[i].y + clips[i].height) {
/* the bounds are entirely inside the clip region so we don't need to clip. */
*need_clip = False;
goto FINISH;
}
if (_intersect_interval (b_x, b_x_most, clips[i].x, clips[i].x + clips[i].width,
&intersect_x, &intersect_x_most) &&
_intersect_interval (b_y, b_y_most, clips[i].y, clips[i].y + clips[i].height,
&intersect_y, &intersect_y_most)) {
XRectangle *rect = &rectangles[rect_count];
if (rect_count >= max_rectangles) {
retval = False;
goto FINISH;
}
if (!_convert_coord_to_short (intersect_x, &rect->x) ||
!_convert_coord_to_short (intersect_y, &rect->y) ||
!_convert_coord_to_unsigned_short (intersect_x_most - intersect_x, &rect->width) ||
!_convert_coord_to_unsigned_short (intersect_y_most - intersect_y, &rect->height))
{
retval = False;
goto FINISH;
}
++rect_count;
}
}
*need_clip = True;
*num_rectangles = rect_count;
FINISH:
cairo_rectangle_list_destroy (cliplist);
return retval;
}