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| 4349 | Serge | 1 | /* -*- Mode: c; tab-width: 8; c-basic-offset: 4; indent-tabs-mode: t; -*- */ |
| 2 | /* cairo - a vector graphics library with display and print output |
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| 3 | * |
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| 4 | * Copyright © 2011 Intel Corporation |
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| 5 | * |
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| 6 | * This library is free software; you can redistribute it and/or |
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| 7 | * modify it either under the terms of the GNU Lesser General Public |
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| 8 | * License version 2.1 as published by the Free Software Foundation |
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| 9 | * (the "LGPL") or, at your option, under the terms of the Mozilla |
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| 10 | * Public License Version 1.1 (the "MPL"). If you do not alter this |
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| 11 | * notice, a recipient may use your version of this file under either |
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| 12 | * the MPL or the LGPL. |
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| 13 | * |
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| 14 | * You should have received a copy of the LGPL along with this library |
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| 15 | * in the file COPYING-LGPL-2.1; if not, write to the Free Software |
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| 16 | * Foundation, Inc., 51 Franklin Street, Suite 500, Boston, MA 02110-1335, USA |
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| 17 | * You should have received a copy of the MPL along with this library |
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| 18 | * in the file COPYING-MPL-1.1 |
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| 19 | * |
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| 20 | * The contents of this file are subject to the Mozilla Public License |
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| 21 | * Version 1.1 (the "License"); you may not use this file except in |
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| 22 | * compliance with the License. You may obtain a copy of the License at |
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| 23 | * http://www.mozilla.org/MPL/ |
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| 24 | * |
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| 25 | * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY |
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| 26 | * OF ANY KIND, either express or implied. See the LGPL or the MPL for |
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| 27 | * the specific language governing rights and limitations. |
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| 28 | * |
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| 29 | * The Original Code is the cairo graphics library. |
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| 30 | * |
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| 31 | * The Initial Developer of the Original Code is University of Southern |
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| 32 | * California. |
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| 33 | * |
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| 34 | * Contributor(s): |
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| 35 | * Chris Wilson |
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| 36 | */ |
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| 37 | |||
| 38 | #ifndef CAIRO_SPANS_COMPOSITOR_PRIVATE_H |
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| 39 | #define CAIRO_SPANS_COMPOSITOR_PRIVATE_H |
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| 40 | |||
| 41 | #include "cairo-compositor-private.h" |
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| 42 | #include "cairo-types-private.h" |
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| 43 | #include "cairo-spans-private.h" |
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| 44 | |||
| 45 | CAIRO_BEGIN_DECLS |
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| 46 | |||
| 47 | typedef struct _cairo_abstract_span_renderer { |
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| 48 | cairo_span_renderer_t base; |
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| 49 | char data[4096]; |
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| 50 | } cairo_abstract_span_renderer_t; |
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| 51 | |||
| 52 | struct cairo_spans_compositor { |
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| 53 | cairo_compositor_t base; |
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| 54 | |||
| 55 | unsigned int flags; |
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| 56 | #define CAIRO_SPANS_COMPOSITOR_HAS_LERP 0x1 |
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| 57 | |||
| 58 | /* pixel-aligned fast paths */ |
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| 59 | cairo_int_status_t (*fill_boxes) (void *surface, |
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| 60 | cairo_operator_t op, |
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| 61 | const cairo_color_t *color, |
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| 62 | cairo_boxes_t *boxes); |
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| 63 | |||
| 64 | cairo_int_status_t (*draw_image_boxes) (void *surface, |
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| 65 | cairo_image_surface_t *image, |
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| 66 | cairo_boxes_t *boxes, |
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| 67 | int dx, int dy); |
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| 68 | |||
| 69 | cairo_int_status_t (*copy_boxes) (void *surface, |
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| 70 | cairo_surface_t *src, |
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| 71 | cairo_boxes_t *boxes, |
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| 72 | const cairo_rectangle_int_t *extents, |
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| 73 | int dx, int dy); |
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| 74 | |||
| 75 | cairo_surface_t * (*pattern_to_surface) (cairo_surface_t *dst, |
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| 76 | const cairo_pattern_t *pattern, |
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| 77 | cairo_bool_t is_mask, |
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| 78 | const cairo_rectangle_int_t *extents, |
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| 79 | const cairo_rectangle_int_t *sample, |
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| 80 | int *src_x, int *src_y); |
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| 81 | |||
| 82 | cairo_int_status_t (*composite_boxes) (void *surface, |
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| 83 | cairo_operator_t op, |
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| 84 | cairo_surface_t *source, |
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| 85 | cairo_surface_t *mask, |
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| 86 | int src_x, |
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| 87 | int src_y, |
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| 88 | int mask_x, |
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| 89 | int mask_y, |
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| 90 | int dst_x, |
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| 91 | int dst_y, |
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| 92 | cairo_boxes_t *boxes, |
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| 93 | const cairo_rectangle_int_t *extents); |
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| 94 | |||
| 95 | /* general shape masks using a span renderer */ |
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| 96 | cairo_int_status_t (*renderer_init) (cairo_abstract_span_renderer_t *renderer, |
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| 97 | const cairo_composite_rectangles_t *extents, |
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| 98 | cairo_antialias_t antialias, |
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| 99 | cairo_bool_t needs_clip); |
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| 100 | |||
| 101 | void (*renderer_fini) (cairo_abstract_span_renderer_t *renderer, |
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| 102 | cairo_int_status_t status); |
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| 103 | }; |
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| 104 | |||
| 105 | cairo_private void |
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| 106 | _cairo_spans_compositor_init (cairo_spans_compositor_t *compositor, |
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| 107 | const cairo_compositor_t *delegate); |
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| 108 | |||
| 109 | CAIRO_END_DECLS |
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| 110 | |||
| 111 | #endif /* CAIRO_SPANS_COMPOSITOR_PRIVATE_H */ |