/* cairo - a vector graphics library with display and print output * * Copyright © 2009 Intel Corporation * * 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 University of Southern * California. * * Contributor(s): * Chris Wilson <chris@chris-wilson.co.u> */ #ifndef CAIRO_COMPOSITE_RECTANGLES_PRIVATE_H #define CAIRO_COMPOSITE_RECTANGLES_PRIVATE_H #include "cairo-types-private.h" CAIRO_BEGIN_DECLS /* Rectangles that take part in a composite operation. * * The source and mask track the extents of the respective patterns in device * space. The unbounded rectangle is essentially the clip rectangle. And the * intersection of all is the bounded rectangle, which is the minimum extents * the operation may require. Whether or not the operation is actually bounded * is tracked in the is_bounded boolean. * */ struct _cairo_composite_rectangles { cairo_rectangle_int_t source; cairo_rectangle_int_t mask; cairo_rectangle_int_t bounded; /* dst */ cairo_rectangle_int_t unbounded; /* clip */ uint32_t is_bounded; }; cairo_private cairo_int_status_t _cairo_composite_rectangles_init_for_paint (cairo_composite_rectangles_t *extents, int surface_width, int surface_height, cairo_operator_t op, const cairo_pattern_t *source, cairo_clip_t *clip); cairo_private cairo_int_status_t _cairo_composite_rectangles_init_for_mask (cairo_composite_rectangles_t *extents, int surface_width, int surface_height, cairo_operator_t op, const cairo_pattern_t *source, const cairo_pattern_t *mask, cairo_clip_t *clip); cairo_private cairo_int_status_t _cairo_composite_rectangles_init_for_stroke (cairo_composite_rectangles_t *extents, int surface_width, int surface_height, 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, cairo_clip_t *clip); cairo_private cairo_int_status_t _cairo_composite_rectangles_init_for_fill (cairo_composite_rectangles_t *extents, int surface_width, int surface_height, cairo_operator_t op, const cairo_pattern_t *source, cairo_path_fixed_t *path, cairo_clip_t *clip); cairo_private cairo_int_status_t _cairo_composite_rectangles_init_for_glyphs (cairo_composite_rectangles_t *extents, int surface_width, int surface_height, cairo_operator_t op, const cairo_pattern_t *source, cairo_scaled_font_t *scaled_font, cairo_glyph_t *glyphs, int num_glyphs, cairo_clip_t *clip, cairo_bool_t *overlap); #endif /* CAIRO_COMPOSITE_RECTANGLES_PRIVATE_H */