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| 3584 | sourcerer | 1 | /* |
| 2 | * This file is part of LibCSS |
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| 3 | * Licensed under the MIT License, |
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| 4 | * http://www.opensource.org/licenses/mit-license.php |
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| 5 | * Copyright 2009 John-Mark Bell |
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| 6 | */ |
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| 7 | |||
| 8 | #include |
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| 9 | |||
| 10 | #include "bytecode/bytecode.h" |
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| 11 | #include "bytecode/opcodes.h" |
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| 12 | #include "select/propset.h" |
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| 13 | #include "select/propget.h" |
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| 14 | #include "utils/utils.h" |
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| 15 | |||
| 16 | #include "select/properties/properties.h" |
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| 17 | #include "select/properties/helpers.h" |
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| 18 | |||
| 19 | css_error css__cascade_text_decoration(uint32_t opv, css_style *style, |
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| 20 | css_select_state *state) |
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| 21 | { |
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| 22 | uint16_t value = CSS_TEXT_DECORATION_INHERIT; |
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| 23 | |||
| 24 | UNUSED(style); |
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| 25 | |||
| 26 | if (isInherit(opv) == false) { |
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| 27 | if (getValue(opv) == TEXT_DECORATION_NONE) { |
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| 28 | value = CSS_TEXT_DECORATION_NONE; |
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| 29 | } else { |
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| 30 | assert(value == 0); |
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| 31 | |||
| 32 | if (getValue(opv) & TEXT_DECORATION_UNDERLINE) |
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| 33 | value |= CSS_TEXT_DECORATION_UNDERLINE; |
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| 34 | if (getValue(opv) & TEXT_DECORATION_OVERLINE) |
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| 35 | value |= CSS_TEXT_DECORATION_OVERLINE; |
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| 36 | if (getValue(opv) & TEXT_DECORATION_LINE_THROUGH) |
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| 37 | value |= CSS_TEXT_DECORATION_LINE_THROUGH; |
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| 38 | if (getValue(opv) & TEXT_DECORATION_BLINK) |
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| 39 | value |= CSS_TEXT_DECORATION_BLINK; |
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| 40 | } |
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| 41 | } |
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| 42 | |||
| 43 | if (css__outranks_existing(getOpcode(opv), isImportant(opv), state, |
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| 44 | isInherit(opv))) { |
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| 45 | return set_text_decoration(state->computed, value); |
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| 46 | } |
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| 47 | |||
| 48 | return CSS_OK; |
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| 49 | } |
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| 50 | |||
| 51 | css_error css__set_text_decoration_from_hint(const css_hint *hint, |
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| 52 | css_computed_style *style) |
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| 53 | { |
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| 54 | return set_text_decoration(style, hint->status); |
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| 55 | } |
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| 56 | |||
| 57 | css_error css__initial_text_decoration(css_select_state *state) |
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| 58 | { |
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| 59 | return set_text_decoration(state->computed, CSS_TEXT_DECORATION_NONE); |
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| 60 | } |
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| 61 | |||
| 62 | css_error css__compose_text_decoration(const css_computed_style *parent, |
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| 63 | const css_computed_style *child, |
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| 64 | css_computed_style *result) |
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| 65 | { |
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| 66 | uint8_t type = get_text_decoration(child); |
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| 67 | |||
| 68 | if (type == CSS_TEXT_DECORATION_INHERIT) { |
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| 69 | type = get_text_decoration(parent); |
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| 70 | } |
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| 71 | |||
| 72 | return set_text_decoration(result, type); |
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| 73 | } |
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| 74 |