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Diffstat (limited to 'src/cairo-tg-composite-extents-private.h')
| -rwxr-xr-x | src/cairo-tg-composite-extents-private.h | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/cairo-tg-composite-extents-private.h b/src/cairo-tg-composite-extents-private.h new file mode 100755 index 000000000..22de139bf --- /dev/null +++ b/src/cairo-tg-composite-extents-private.h @@ -0,0 +1,121 @@ +/* + * Copyright © 2012 SCore 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. + * + * Author: Taekyun Kim (podain77@gmail.com) + */ + +#ifndef CAIRO_TG_COMPOSITE_EXTENTS_PRIVATE_H +#define CAIRO_TG_COMPOSITE_EXTENTS_PRIVATE_H + +#include "cairoint.h" +#include "cairo-pattern-private.h" +#include "cairo-clip-private.h" +#include "cairo-surface-private.h" + +static inline void +_cairo_tg_approximate_paint_extents (cairo_rectangle_int_t *extents, + cairo_operator_t op, + const cairo_pattern_t *source, + const cairo_clip_t *clip) +{ + *extents = * (_cairo_clip_get_extents (clip)); +} + +static inline void +_cairo_tg_approximate_mask_extents (cairo_rectangle_int_t *extents, + cairo_operator_t op, + const cairo_pattern_t *source, + const cairo_pattern_t *mask, + const cairo_clip_t *clip) +{ + *extents = * (_cairo_clip_get_extents (clip)); +} + +static inline void +_cairo_tg_approximate_stroke_extents (cairo_rectangle_int_t *extents, + 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) +{ + cairo_rectangle_int_t rect; + + *extents = * (_cairo_clip_get_extents (clip)); + + if (_cairo_operator_bounded_by_either (op)) + { + _cairo_path_fixed_approximate_stroke_extents (path, style, ctm, &rect); + _cairo_rectangle_intersect (extents, &rect); + } +} + +static inline void +_cairo_tg_approximate_fill_extents (cairo_rectangle_int_t *extents, + 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) +{ + cairo_rectangle_int_t rect; + + *extents = * (_cairo_clip_get_extents (clip)); + + if (_cairo_operator_bounded_by_either (op)) + { + _cairo_path_fixed_approximate_fill_extents (path, &rect); + _cairo_rectangle_intersect (extents, &rect); + } +} + +static inline void +_cairo_tg_approximate_glyphs_extents (cairo_rectangle_int_t *extents, + cairo_operator_t op, + const cairo_pattern_t *source, + cairo_glyph_t *glyphs, + int num_glyphs, + cairo_scaled_font_t *scaled_font, + const cairo_clip_t *clip) +{ + cairo_rectangle_int_t rect; + + *extents = * (_cairo_clip_get_extents (clip)); + + if (_cairo_operator_bounded_by_either (op)) + { + if (_cairo_scaled_font_glyph_approximate_extents (scaled_font, glyphs, num_glyphs, &rect)) + _cairo_rectangle_intersect (extents, &rect); + } +} + +#endif /* CAIRO_TG_COMPOSITE_EXTENTS_PRIVATE_H */ |