| 0,0 → 1,118 |
|---|
| /* |
| * This file is part of LibCSS |
| * Licensed under the MIT License, |
| * http://www.opensource.org/licenses/mit-license.php |
| * Copyright 2009 John-Mark Bell <jmb@netsurf-browser.org> |
| */ |
| |
| #include "bytecode/bytecode.h" |
| #include "bytecode/opcodes.h" |
| #include "select/propset.h" |
| #include "select/propget.h" |
| #include "utils/utils.h" |
| |
| #include "select/properties/properties.h" |
| #include "select/properties/helpers.h" |
| |
| css_error css__cascade_clip(uint32_t opv, css_style *style, |
| css_select_state *state) |
| { |
| uint16_t value = CSS_CLIP_INHERIT; |
| css_computed_clip_rect rect = { 0, 0, 0, 0, |
| CSS_UNIT_PX, CSS_UNIT_PX, CSS_UNIT_PX, CSS_UNIT_PX, |
| false, false, false, false }; |
| |
| if (isInherit(opv) == false) { |
| switch (getValue(opv) & CLIP_SHAPE_MASK) { |
| case CLIP_SHAPE_RECT: |
| if (getValue(opv) & CLIP_RECT_TOP_AUTO) { |
| rect.top_auto = true; |
| } else { |
| rect.top = *((css_fixed *) style->bytecode); |
| advance_bytecode(style, sizeof(css_fixed)); |
| rect.tunit = *((uint32_t *) style->bytecode); |
| advance_bytecode(style, sizeof(uint32_t)); |
| } |
| if (getValue(opv) & CLIP_RECT_RIGHT_AUTO) { |
| rect.right_auto = true; |
| } else { |
| rect.right = *((css_fixed *) style->bytecode); |
| advance_bytecode(style, sizeof(css_fixed)); |
| rect.runit = *((uint32_t *) style->bytecode); |
| advance_bytecode(style, sizeof(uint32_t)); |
| } |
| if (getValue(opv) & CLIP_RECT_BOTTOM_AUTO) { |
| rect.bottom_auto = true; |
| } else { |
| rect.bottom = *((css_fixed *) style->bytecode); |
| advance_bytecode(style, sizeof(css_fixed)); |
| rect.bunit = *((uint32_t *) style->bytecode); |
| advance_bytecode(style, sizeof(uint32_t)); |
| } |
| if (getValue(opv) & CLIP_RECT_LEFT_AUTO) { |
| rect.left_auto = true; |
| } else { |
| rect.left = *((css_fixed *) style->bytecode); |
| advance_bytecode(style, sizeof(css_fixed)); |
| rect.lunit = *((uint32_t *) style->bytecode); |
| advance_bytecode(style, sizeof(uint32_t)); |
| } |
| value = CSS_CLIP_RECT; |
| break; |
| case CLIP_AUTO: |
| value = CSS_CLIP_AUTO; |
| break; |
| } |
| } |
| |
| rect.tunit = css__to_css_unit(rect.tunit); |
| rect.runit = css__to_css_unit(rect.runit); |
| rect.bunit = css__to_css_unit(rect.bunit); |
| rect.lunit = css__to_css_unit(rect.lunit); |
| |
| if (css__outranks_existing(getOpcode(opv), isImportant(opv), state, |
| isInherit(opv))) { |
| return set_clip(state->computed, value, &rect); |
| } |
| |
| return CSS_OK; |
| } |
| |
| css_error css__set_clip_from_hint(const css_hint *hint, |
| css_computed_style *style) |
| { |
| return set_clip(style, hint->status, hint->data.clip); |
| } |
| |
| css_error css__initial_clip(css_select_state *state) |
| { |
| css_computed_clip_rect rect = { 0, 0, 0, 0, |
| CSS_UNIT_PX, CSS_UNIT_PX, CSS_UNIT_PX, CSS_UNIT_PX, |
| false, false, false, false }; |
| |
| return set_clip(state->computed, CSS_CLIP_AUTO, &rect); |
| } |
| |
| css_error css__compose_clip(const css_computed_style *parent, |
| const css_computed_style *child, |
| css_computed_style *result) |
| { |
| css_computed_clip_rect rect = { 0, 0, 0, 0, |
| CSS_UNIT_PX, CSS_UNIT_PX, CSS_UNIT_PX, CSS_UNIT_PX, |
| false, false, false, false }; |
| uint8_t type = get_clip(child, &rect); |
| |
| if ((child->uncommon == NULL && parent->uncommon != NULL) || |
| type == CSS_CLIP_INHERIT || |
| (child->uncommon != NULL && result != child)) { |
| if ((child->uncommon == NULL && parent->uncommon != NULL) || |
| type == CSS_CLIP_INHERIT) { |
| type = get_clip(parent, &rect); |
| } |
| |
| return set_clip(result, type, &rect); |
| } |
| |
| return CSS_OK; |
| } |
| |