test-meta-surface.c [plain text]
#include "test-meta-surface.h"
#include "cairoint.h"
#include "cairo-meta-surface-private.h"
typedef struct _test_meta_surface {
cairo_surface_t base;
cairo_surface_t *meta;
cairo_surface_t *image;
cairo_bool_t image_reflects_meta;
} test_meta_surface_t;
const cairo_private cairo_surface_backend_t test_meta_surface_backend;
static cairo_int_status_t
_test_meta_surface_show_page (void *abstract_surface);
cairo_surface_t *
_test_meta_surface_create (cairo_content_t content,
int width,
int height)
{
test_meta_surface_t *surface;
surface = malloc (sizeof (test_meta_surface_t));
if (surface == NULL)
goto FAIL;
_cairo_surface_init (&surface->base, &test_meta_surface_backend);
surface->meta = _cairo_meta_surface_create (content, width, height);
if (cairo_surface_status (surface->meta))
goto FAIL_CLEANUP_SURFACE;
surface->image = _cairo_image_surface_create_with_content (content,
width, height);
if (cairo_surface_status (surface->image))
goto FAIL_CLEANUP_META;
surface->image_reflects_meta = FALSE;
return &surface->base;
FAIL_CLEANUP_META:
cairo_surface_destroy (surface->meta);
FAIL_CLEANUP_SURFACE:
free (surface);
FAIL:
_cairo_error (CAIRO_STATUS_NO_MEMORY);
return (cairo_surface_t*) &_cairo_surface_nil;
}
static cairo_status_t
_test_meta_surface_finish (void *abstract_surface)
{
test_meta_surface_t *surface = abstract_surface;
cairo_surface_destroy (surface->meta);
cairo_surface_destroy (surface->image);
return CAIRO_STATUS_SUCCESS;
}
static cairo_status_t
_test_meta_surface_acquire_source_image (void *abstract_surface,
cairo_image_surface_t **image_out,
void **image_extra)
{
test_meta_surface_t *surface = abstract_surface;
if (! surface->image_reflects_meta)
_test_meta_surface_show_page (abstract_surface);
return _cairo_surface_acquire_source_image (surface->image,
image_out, image_extra);
}
static void
_test_meta_surface_release_source_image (void *abstract_surface,
cairo_image_surface_t *image,
void *image_extra)
{
test_meta_surface_t *surface = abstract_surface;
_cairo_surface_release_source_image (surface->image,
image, image_extra);
}
static cairo_int_status_t
_test_meta_surface_show_page (void *abstract_surface)
{
test_meta_surface_t *surface = abstract_surface;
if (surface->image_reflects_meta)
return CAIRO_STATUS_SUCCESS;
_cairo_meta_surface_replay (surface->meta, surface->image);
surface->image_reflects_meta = TRUE;
return CAIRO_STATUS_SUCCESS;
}
static cairo_int_status_t
_test_meta_surface_intersect_clip_path (void *abstract_surface,
cairo_path_fixed_t *path,
cairo_fill_rule_t fill_rule,
double tolerance,
cairo_antialias_t antialias)
{
test_meta_surface_t *surface = abstract_surface;
return _cairo_surface_intersect_clip_path (surface->meta,
path, fill_rule,
tolerance, antialias);
}
static cairo_int_status_t
_test_meta_surface_get_extents (void *abstract_surface,
cairo_rectangle_t *rectangle)
{
test_meta_surface_t *surface = abstract_surface;
surface->image_reflects_meta = FALSE;
return _cairo_surface_get_extents (surface->image, rectangle);
}
static cairo_int_status_t
_test_meta_surface_paint (void *abstract_surface,
cairo_operator_t op,
cairo_pattern_t *source)
{
test_meta_surface_t *surface = abstract_surface;
surface->image_reflects_meta = FALSE;
return _cairo_surface_paint (surface->meta, op, source);
}
static cairo_int_status_t
_test_meta_surface_mask (void *abstract_surface,
cairo_operator_t op,
cairo_pattern_t *source,
cairo_pattern_t *mask)
{
test_meta_surface_t *surface = abstract_surface;
surface->image_reflects_meta = FALSE;
return _cairo_surface_mask (surface->meta, op, source, mask);
}
static cairo_int_status_t
_test_meta_surface_stroke (void *abstract_surface,
cairo_operator_t op,
cairo_pattern_t *source,
cairo_path_fixed_t *path,
cairo_stroke_style_t *style,
cairo_matrix_t *ctm,
cairo_matrix_t *ctm_inverse,
double tolerance,
cairo_antialias_t antialias)
{
test_meta_surface_t *surface = abstract_surface;
surface->image_reflects_meta = FALSE;
return _cairo_surface_stroke (surface->meta, op, source,
path, style,
ctm, ctm_inverse,
tolerance, antialias);
}
static cairo_int_status_t
_test_meta_surface_fill (void *abstract_surface,
cairo_operator_t op,
cairo_pattern_t *source,
cairo_path_fixed_t *path,
cairo_fill_rule_t fill_rule,
double tolerance,
cairo_antialias_t antialias)
{
test_meta_surface_t *surface = abstract_surface;
surface->image_reflects_meta = FALSE;
return _cairo_surface_fill (surface->meta, op, source,
path, fill_rule,
tolerance, antialias);
}
static cairo_int_status_t
_test_meta_surface_show_glyphs (void *abstract_surface,
cairo_operator_t op,
cairo_pattern_t *source,
const cairo_glyph_t *glyphs,
int num_glyphs,
cairo_scaled_font_t *scaled_font)
{
test_meta_surface_t *surface = abstract_surface;
surface->image_reflects_meta = FALSE;
return _cairo_surface_show_glyphs (surface->meta, op, source,
glyphs, num_glyphs,
scaled_font);
}
static cairo_surface_t *
_test_meta_surface_snapshot (void *abstract_other)
{
test_meta_surface_t *other = abstract_other;
#if 0
return _cairo_surface_snapshot (other->meta);
#else
cairo_rectangle_t extents;
cairo_surface_t *surface;
_cairo_surface_get_extents (other->image, &extents);
surface = cairo_surface_create_similar (other->image,
CAIRO_CONTENT_COLOR_ALPHA,
extents.width,
extents.height);
_cairo_meta_surface_replay (other->meta, surface);
return surface;
#endif
}
const cairo_surface_backend_t test_meta_surface_backend = {
CAIRO_INTERNAL_SURFACE_TYPE_TEST_META,
NULL,
_test_meta_surface_finish,
_test_meta_surface_acquire_source_image,
_test_meta_surface_release_source_image,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
_test_meta_surface_show_page,
NULL,
_test_meta_surface_intersect_clip_path,
_test_meta_surface_get_extents,
NULL,
NULL,
NULL,
NULL,
NULL,
NULL,
_test_meta_surface_paint,
_test_meta_surface_mask,
_test_meta_surface_stroke,
_test_meta_surface_fill,
_test_meta_surface_show_glyphs,
_test_meta_surface_snapshot
};