diff options
Diffstat (limited to 'src/select/properties/stroke_opacity.c')
-rw-r--r-- | src/select/properties/stroke_opacity.c | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/select/properties/stroke_opacity.c b/src/select/properties/stroke_opacity.c new file mode 100644 index 0000000..c27e127 --- /dev/null +++ b/src/select/properties/stroke_opacity.c @@ -0,0 +1,73 @@ +/* + * This file is part of LibCSS + * Licensed under the MIT License, + * http://www.opensource.org/licenses/mit-license.php + */ + +#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_stroke_opacity(uint32_t opv, css_style *style, + css_select_state *state) +{ + uint16_t value = CSS_STROKE_OPACITY_INHERIT; + css_fixed stroke_opacity = 0; + + if (hasFlagValue(opv) == false) { + value = CSS_STROKE_OPACITY_SET; + + stroke_opacity = *((css_fixed *) style->bytecode); + advance_bytecode(style, sizeof(stroke_opacity)); + } + + if (css__outranks_existing(getOpcode(opv), isImportant(opv), state, + getFlagValue(opv))) { + return set_stroke_opacity(state->computed, value, stroke_opacity); + } + + return CSS_OK; +} + +css_error css__set_stroke_opacity_from_hint(const css_hint *hint, + css_computed_style *style) +{ + return set_stroke_opacity(style, hint->status, hint->data.fixed); +} + +css_error css__initial_stroke_opacity(css_select_state *state) +{ + return set_stroke_opacity(state->computed, CSS_STROKE_OPACITY_SET, INTTOFIX(1)); +} + +css_error css__copy_stroke_opacity( + const css_computed_style *from, + css_computed_style *to) +{ + css_fixed stroke_opacity = 0; + uint8_t type = get_stroke_opacity(from, &stroke_opacity); + + if (from == to) { + return CSS_OK; + } + + return set_stroke_opacity(to, type, stroke_opacity); +} + +css_error css__compose_stroke_opacity(const css_computed_style *parent, + const css_computed_style *child, + css_computed_style *result) +{ + css_fixed stroke_opacity = 0; + uint8_t type = get_stroke_opacity(child, &stroke_opacity); + + return css__copy_stroke_opacity( + type == CSS_STROKE_OPACITY_INHERIT ? parent : child, + result); +} + |