/* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 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 */ /* 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-error-private.h" #include "cairo-paginated-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, 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, 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, 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, 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, cairo_path_fixed_t *path, cairo_fill_rule_t fill_rule, double tolerance, cairo_antialias_t antialias, 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, 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, /* 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 */ _test_paginated_surface_finish, NULL, /* acquire_source_image */ NULL, /* release_source_image */ NULL, /* acquire_dest_image */ NULL, /* release_dest_image */ NULL, /* clone_similar */ NULL, /* composite */ NULL, /* fill_rectangles */ NULL, /* composite_trapezoids */ NULL, /* create_span_renderer */ NULL, /* check_span_renderer */ NULL, /* copy_page */ NULL, /* show_page */ _test_paginated_surface_get_extents, NULL, /* old_show_glyphs */ NULL, /* get_font_options */ NULL, /* flush */ NULL, /* mark_dirty_rectangle */ NULL, /* scaled_font_fini */ NULL, /* scaled_glyph_fini */ /* 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, /* replaced by show_text_glyphs */ NULL, /* snapshot */ NULL, /* is_similar */ NULL, /* fill_stroke */ NULL, /* create_solid_pattern_surface */ NULL, /* can_repaint_solid_pattern_surface */ _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 };