diff options
Diffstat (limited to 'src/select/properties')
| -rw-r--r-- | src/select/properties/Makefile | 1 | ||||
| -rw-r--r-- | src/select/properties/writing_mode.c | 70 |
2 files changed, 71 insertions, 0 deletions
diff --git a/src/select/properties/Makefile b/src/select/properties/Makefile index a557846..eacc240 100644 --- a/src/select/properties/Makefile +++ b/src/select/properties/Makefile @@ -110,6 +110,7 @@ white_space.c \ width.c \ windows.c \ word_spacing.c \ +writing_mode.c \ z_index.c include $(NSBUILD)/Makefile.subdir diff --git a/src/select/properties/writing_mode.c b/src/select/properties/writing_mode.c new file mode 100644 index 0000000..3ec1352 --- /dev/null +++ b/src/select/properties/writing_mode.c @@ -0,0 +1,70 @@ +/* + * 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_writing_mode(uint32_t opv, css_style *style, + css_select_state *state) +{ + bool inherit = isInherit(opv); + uint16_t writing_mode = CSS_WRITING_MODE_INHERIT; + UNUSED(style); + + if (inherit == false) { + switch (getValue(opv)) { + case WRITING_MODE_HORIZONTAL_TB: + writing_mode = CSS_WRITING_MODE_HORIZONTAL_TB; + break; + case WRITING_MODE_VERTICAL_RL: + writing_mode = CSS_WRITING_MODE_VERTICAL_RL; + break; + case WRITING_MODE_VERTICAL_LR: + writing_mode = CSS_WRITING_MODE_VERTICAL_LR; + break; + } + } + + if (css__outranks_existing(getOpcode(opv), isImportant(opv), state, + inherit)) { + return set_writing_mode(state->computed, writing_mode); + } + + return CSS_OK; +} + +css_error css__set_writing_mode_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_writing_mode(style, hint->status); +} + +css_error css__initial_writing_mode(css_select_state *state) +{ + return set_writing_mode(state->computed, + CSS_WRITING_MODE_HORIZONTAL_TB); +} + +css_error css__compose_writing_mode(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + uint8_t writing_mode = get_writing_mode(child); + + if (writing_mode == CSS_WRITING_MODE_INHERIT) { + writing_mode = get_writing_mode(parent); + } + + return set_writing_mode(result, writing_mode); +} + |