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+/* cairo - a vector graphics library with display and print output
+ *
+ * Copyright © 2005 Red Hat, Inc
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it either under the terms of the GNU Lesser General Public
+ * License version 2.1 as published by the Free Software Foundation
+ * (the "LGPL") or, at your option, under the terms of the Mozilla
+ * Public License Version 1.1 (the "MPL"). If you do not alter this
+ * notice, a recipient may use your version of this file under either
+ * the MPL or the LGPL.
+ *
+ * You should have received a copy of the LGPL along with this library
+ * in the file COPYING-LGPL-2.1; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA
+ * You should have received a copy of the MPL along with this library
+ * in the file COPYING-MPL-1.1
+ *
+ * The contents of this file are subject to the Mozilla Public License
+ * Version 1.1 (the "License"); you may not use this file except in
+ * compliance with the License. You may obtain a copy of the License at
+ * http://www.mozilla.org/MPL/
+ *
+ * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY
+ * OF ANY KIND, either express or implied. See the LGPL or the MPL for
+ * the specific language governing rights and limitations.
+ *
+ * The Original Code is the cairo graphics library.
+ *
+ * The Initial Developer of the Original Code is Red Hat, Inc.
+ *
+ * Contributor(s):
+ * Carl Worth <cworth@cworth.org>
+ */
+
+/* This isn't a "real" surface, but just something to be used by the
+ * test suite to help exercise the paginated-surface paths in cairo.
+ *
+ * The defining feature of this backend is that it uses a paginated
+ * surface to record all operations, and then replays everything to an
+ * image surface.
+ *
+ * It's possible that this code might serve as a good starting point
+ * for someone working on bringing up a new paginated-surface-based
+ * backend.
+ */
+
+#include "cairoint.h"
+
+#include "test-paginated-surface.h"
+
+#include "cairo-default-context-private.h"
+#include "cairo-error-private.h"
+#include "cairo-paginated-private.h"
+#include "cairo-surface-backend-private.h"
+
+typedef struct _test_paginated_surface {
+ cairo_surface_t base;
+ cairo_surface_t *target;
+ cairo_paginated_mode_t paginated_mode;
+} test_paginated_surface_t;
+
+static const cairo_surface_backend_t test_paginated_surface_backend;
+static const cairo_paginated_surface_backend_t test_paginated_surface_paginated_backend;
+
+cairo_surface_t *
+_cairo_test_paginated_surface_create (cairo_surface_t *target)
+{
+ cairo_status_t status;
+ cairo_surface_t *paginated;
+ test_paginated_surface_t *surface;
+
+ status = cairo_surface_status (target);
+ if (unlikely (status))
+ return _cairo_surface_create_in_error (status);
+
+ surface = malloc (sizeof (test_paginated_surface_t));
+ if (unlikely (surface == NULL))
+ return _cairo_surface_create_in_error (_cairo_error (CAIRO_STATUS_NO_MEMORY));
+
+ _cairo_surface_init (&surface->base,
+ &test_paginated_surface_backend,
+ NULL, /* device */
+ target->content);
+
+ surface->target = cairo_surface_reference (target);
+
+ paginated = _cairo_paginated_surface_create (&surface->base,
+ target->content,
+ &test_paginated_surface_paginated_backend);
+ status = paginated->status;
+ if (status == CAIRO_STATUS_SUCCESS) {
+ /* paginated keeps the only reference to surface now, drop ours */
+ cairo_surface_destroy (&surface->base);
+ return paginated;
+ }
+
+ cairo_surface_destroy (target);
+ free (surface);
+ return _cairo_surface_create_in_error (status);
+}
+
+static cairo_status_t
+_test_paginated_surface_finish (void *abstract_surface)
+{
+ test_paginated_surface_t *surface = abstract_surface;
+
+ cairo_surface_destroy (surface->target);
+
+ return CAIRO_STATUS_SUCCESS;
+}
+
+static cairo_bool_t
+_test_paginated_surface_get_extents (void *abstract_surface,
+ cairo_rectangle_int_t *rectangle)
+{
+ test_paginated_surface_t *surface = abstract_surface;
+
+ return _cairo_surface_get_extents (surface->target, rectangle);
+}
+
+static cairo_int_status_t
+_test_paginated_surface_paint (void *abstract_surface,
+ cairo_operator_t op,
+ const cairo_pattern_t *source,
+ const cairo_clip_t *clip)
+{
+ test_paginated_surface_t *surface = abstract_surface;
+
+ if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE)
+ return CAIRO_STATUS_SUCCESS;
+
+ return _cairo_surface_paint (surface->target, op, source, clip);
+}
+
+static cairo_int_status_t
+_test_paginated_surface_mask (void *abstract_surface,
+ cairo_operator_t op,
+ const cairo_pattern_t *source,
+ const cairo_pattern_t *mask,
+ const cairo_clip_t *clip)
+{
+ test_paginated_surface_t *surface = abstract_surface;
+
+ if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE)
+ return CAIRO_STATUS_SUCCESS;
+
+ return _cairo_surface_mask (surface->target,
+ op, source, mask, clip);
+}
+
+static cairo_int_status_t
+_test_paginated_surface_stroke (void *abstract_surface,
+ cairo_operator_t op,
+ const cairo_pattern_t *source,
+ const cairo_path_fixed_t *path,
+ const cairo_stroke_style_t *style,
+ const cairo_matrix_t *ctm,
+ const cairo_matrix_t *ctm_inverse,
+ double tolerance,
+ cairo_antialias_t antialias,
+ const cairo_clip_t *clip)
+{
+ test_paginated_surface_t *surface = abstract_surface;
+
+ if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE)
+ return CAIRO_STATUS_SUCCESS;
+
+ return _cairo_surface_stroke (surface->target, op, source,
+ path, style,
+ ctm, ctm_inverse,
+ tolerance, antialias,
+ clip);
+}
+
+static cairo_int_status_t
+_test_paginated_surface_fill (void *abstract_surface,
+ cairo_operator_t op,
+ const cairo_pattern_t *source,
+ const cairo_path_fixed_t *path,
+ cairo_fill_rule_t fill_rule,
+ double tolerance,
+ cairo_antialias_t antialias,
+ const cairo_clip_t *clip)
+{
+ test_paginated_surface_t *surface = abstract_surface;
+
+ if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE)
+ return CAIRO_STATUS_SUCCESS;
+
+ return _cairo_surface_fill (surface->target, op, source,
+ path, fill_rule,
+ tolerance, antialias,
+ clip);
+}
+
+static cairo_bool_t
+_test_paginated_surface_has_show_text_glyphs (void *abstract_surface)
+{
+ test_paginated_surface_t *surface = abstract_surface;
+
+ return cairo_surface_has_show_text_glyphs (surface->target);
+}
+
+static cairo_int_status_t
+_test_paginated_surface_show_text_glyphs (void *abstract_surface,
+ cairo_operator_t op,
+ const cairo_pattern_t *source,
+ const char *utf8,
+ int utf8_len,
+ cairo_glyph_t *glyphs,
+ int num_glyphs,
+ const cairo_text_cluster_t *clusters,
+ int num_clusters,
+ cairo_text_cluster_flags_t cluster_flags,
+ cairo_scaled_font_t *scaled_font,
+ const cairo_clip_t *clip)
+{
+ test_paginated_surface_t *surface = abstract_surface;
+
+ if (surface->paginated_mode == CAIRO_PAGINATED_MODE_ANALYZE)
+ return CAIRO_STATUS_SUCCESS;
+
+ return _cairo_surface_show_text_glyphs (surface->target, op, source,
+ utf8, utf8_len,
+ glyphs, num_glyphs,
+ clusters, num_clusters,
+ cluster_flags,
+ scaled_font,
+ clip);
+}
+
+
+static void
+_test_paginated_surface_set_paginated_mode (void *abstract_surface,
+ cairo_paginated_mode_t mode)
+{
+ test_paginated_surface_t *surface = abstract_surface;
+
+ surface->paginated_mode = mode;
+}
+
+static const cairo_surface_backend_t test_paginated_surface_backend = {
+ CAIRO_INTERNAL_SURFACE_TYPE_TEST_PAGINATED,
+ _test_paginated_surface_finish,
+ _cairo_default_context_create,
+
+ /* Since we are a paginated user, we get to regard most of the
+ * surface backend interface as historical cruft and ignore it. */
+
+ NULL, /* create_similar */
+ NULL, /* create similar image */
+ NULL, /* map to image */
+ NULL, /* unmap image */
+
+ _cairo_surface_default_source,
+ NULL, /* acquire_source_image */
+ NULL, /* release_source_image */
+ NULL, /* snapshot */
+
+ NULL, /* copy_page */
+ NULL, /* show_page */
+
+ _test_paginated_surface_get_extents,
+ NULL, /* get_font_options */
+
+ NULL, /* flush */
+ NULL, /* mark_dirty_rectangle */
+
+ /* Here is the more "modern" section of the surface backend
+ * interface which is mostly just drawing functions */
+
+ _test_paginated_surface_paint,
+ _test_paginated_surface_mask,
+ _test_paginated_surface_stroke,
+ _test_paginated_surface_fill,
+ NULL, /* fill-stroke */
+ NULL, /* replaced by show_text_glyphs */
+ _test_paginated_surface_has_show_text_glyphs,
+ _test_paginated_surface_show_text_glyphs
+};
+
+static const cairo_paginated_surface_backend_t test_paginated_surface_paginated_backend = {
+ NULL, /* start_page */
+ _test_paginated_surface_set_paginated_mode
+};