1 /*
2 * This file is part of LibCSS
3 * Licensed under the MIT License,
4 * http://www.opensource.org/licenses/mit-license.php
5 * Copyright 2009 John-Mark Bell <jmb@netsurf-browser.org>
6 */
7
8 #include "bytecode/bytecode.h"
9 #include "bytecode/opcodes.h"
10 #include "select/propset.h"
11 #include "select/propget.h"
12 #include "utils/utils.h"
13
14 #include "select/properties/properties.h"
15 #include "select/properties/helpers.h"
16
css__cascade_letter_spacing(uint32_t opv,css_style * style,css_select_state * state)17 css_error css__cascade_letter_spacing(uint32_t opv, css_style *style,
18 css_select_state *state)
19 {
20 return css__cascade_length_normal(opv, style, state, set_letter_spacing);
21 }
22
css__set_letter_spacing_from_hint(const css_hint * hint,css_computed_style * style)23 css_error css__set_letter_spacing_from_hint(const css_hint *hint,
24 css_computed_style *style)
25 {
26 return set_letter_spacing(style, hint->status,
27 hint->data.length.value, hint->data.length.unit);
28 }
29
css__initial_letter_spacing(css_select_state * state)30 css_error css__initial_letter_spacing(css_select_state *state)
31 {
32 return set_letter_spacing(state->computed, CSS_LETTER_SPACING_NORMAL,
33 0, CSS_UNIT_PX);
34 }
35
css__compose_letter_spacing(const css_computed_style * parent,const css_computed_style * child,css_computed_style * result)36 css_error css__compose_letter_spacing(const css_computed_style *parent,
37 const css_computed_style *child,
38 css_computed_style *result)
39 {
40 css_fixed length = 0;
41 css_unit unit = CSS_UNIT_PX;
42 uint8_t type = get_letter_spacing(child, &length, &unit);
43
44 if (type == CSS_LETTER_SPACING_INHERIT) {
45 type = get_letter_spacing(parent, &length, &unit);
46 }
47
48 return set_letter_spacing(result, type, length, unit);
49 }
50