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 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;
}
