diff options
Diffstat (limited to 'include/libcss/computed.h')
| -rw-r--r-- | include/libcss/computed.h | 218 |
1 files changed, 218 insertions, 0 deletions
diff --git a/include/libcss/computed.h b/include/libcss/computed.h index 00f229e..68a5299 100644 --- a/include/libcss/computed.h +++ b/include/libcss/computed.h @@ -615,4 +615,222 @@ static inline uint8_t css_computed_clip( #undef CLIP_SHIFT #undef CLIP_INDEX +#define VERTICAL_ALIGN_INDEX 0 +#define VERTICAL_ALIGN_SHIFT 0 +#define VERTICAL_ALIGN_MASK 0xff +static inline uint8_t css_computed_vertical_align( + const css_computed_style *style, + css_fixed *length, css_unit *unit) +{ + uint8_t bits = style->bits[VERTICAL_ALIGN_INDEX]; + bits &= VERTICAL_ALIGN_MASK; + bits >>= VERTICAL_ALIGN_SHIFT; + + /* 8bits: uuuutttt : units | type */ + if ((bits & 0xf) == CSS_VERTICAL_ALIGN_SET) { + *length = style->vertical_align; + *unit = bits >> 4; + } + + return (bits & 0xf); +} +#undef VERTICAL_ALIGN_MASK +#undef VERTICAL_ALIGN_SHIFT +#undef VERTICAL_ALIGN_INDEX + +#define FONT_SIZE_INDEX 1 +#define FONT_SIZE_SHIFT 0 +#define FONT_SIZE_MASK 0xff +static inline uint8_t css_computed_font_size( + const css_computed_style *style, + css_fixed *length, css_unit *unit) +{ + uint8_t bits = style->bits[FONT_SIZE_INDEX]; + bits &= FONT_SIZE_MASK; + bits >>= FONT_SIZE_SHIFT; + + /* 8bits: uuuutttt : units | type */ + if ((bits & 0xf) == CSS_FONT_SIZE_DIMENSION) { + *length = style->font_size; + *unit = bits >> 4; + } + + return (bits & 0xf); +} +#undef FONT_SIZE_MASK +#undef FONT_SIZE_SHIFT +#undef FONT_SIZE_INDEX + +#define BORDER_TOP_WIDTH_INDEX 2 +#define BORDER_TOP_WIDTH_SHIFT 1 +#define BORDER_TOP_WIDTH_MASK 0xfe +static inline uint8_t css_computed_border_top_width( + const css_computed_style *style, + css_fixed *length, css_unit *unit) +{ + uint8_t bits = style->bits[BORDER_TOP_WIDTH_INDEX]; + bits &= BORDER_TOP_WIDTH_MASK; + bits >>= BORDER_TOP_WIDTH_SHIFT; + + /* 7bits: uuuuttt : units | type */ + if ((bits & 0x7) == CSS_BORDER_WIDTH_WIDTH) { + *length = style->border_width[0]; + *unit = bits >> 3; + } + + return (bits & 0x7); +} +#undef BORDER_TOP_WIDTH_MASK +#undef BORDER_TOP_WIDTH_SHIFT +#undef BORDER_TOP_WIDTH_INDEX + +#define BORDER_RIGHT_WIDTH_INDEX 3 +#define BORDER_RIGHT_WIDTH_SHIFT 1 +#define BORDER_RIGHT_WIDTH_MASK 0xfe +static inline uint8_t css_computed_border_right_width( + const css_computed_style *style, + css_fixed *length, css_unit *unit) +{ + uint8_t bits = style->bits[BORDER_RIGHT_WIDTH_INDEX]; + bits &= BORDER_RIGHT_WIDTH_MASK; + bits >>= BORDER_RIGHT_WIDTH_SHIFT; + + /* 7bits: uuuuttt : units | type */ + if ((bits & 0x7) == CSS_BORDER_WIDTH_WIDTH) { + *length = style->border_width[1]; + *unit = bits >> 3; + } + + return (bits & 0x7); +} +#undef BORDER_RIGHT_WIDTH_MASK +#undef BORDER_RIGHT_WIDTH_SHIFT +#undef BORDER_RIGHT_WIDTH_INDEX + +#define BORDER_BOTTOM_WIDTH_INDEX 4 +#define BORDER_BOTTOM_WIDTH_SHIFT 1 +#define BORDER_BOTTOM_WIDTH_MASK 0xfe +static inline uint8_t css_computed_border_bottom_width( + const css_computed_style *style, + css_fixed *length, css_unit *unit) +{ + uint8_t bits = style->bits[BORDER_BOTTOM_WIDTH_INDEX]; + bits &= BORDER_BOTTOM_WIDTH_MASK; + bits >>= BORDER_BOTTOM_WIDTH_SHIFT; + + /* 7bits: uuuuttt : units | type */ + if ((bits & 0x7) == CSS_BORDER_WIDTH_WIDTH) { + *length = style->border_width[2]; + *unit = bits >> 3; + } + + return (bits & 0x7); +} +#undef BORDER_BOTTOM_WIDTH_MASK +#undef BORDER_BOTTOM_WIDTH_SHIFT +#undef BORDER_BOTTOM_WIDTH_INDEX + +#define BORDER_LEFT_WIDTH_INDEX 5 +#define BORDER_LEFT_WIDTH_SHIFT 1 +#define BORDER_LEFT_WIDTH_MASK 0xfe +static inline uint8_t css_computed_border_left_width( + const css_computed_style *style, + css_fixed *length, css_unit *unit) +{ + uint8_t bits = style->bits[BORDER_LEFT_WIDTH_INDEX]; + bits &= BORDER_LEFT_WIDTH_MASK; + bits >>= BORDER_LEFT_WIDTH_SHIFT; + + /* 7bits: uuuuttt : units | type */ + if ((bits & 0x7) == CSS_BORDER_WIDTH_WIDTH) { + *length = style->border_width[3]; + *unit = bits >> 3; + } + + return (bits & 0x7); +} +#undef BORDER_LEFT_WIDTH_MASK +#undef BORDER_LEFT_WIDTH_SHIFT +#undef BORDER_LEFT_WIDTH_INDEX + +#define BACKGROUND_IMAGE_INDEX 2 +#define BACKGROUND_IMAGE_SHIFT 0 +#define BACKGROUND_IMAGE_MASK 0x1 +static inline uint8_t css_computed_background_image( + const css_computed_style *style, + const css_string **url) +{ + uint8_t bits = style->bits[BACKGROUND_IMAGE_INDEX]; + bits &= BACKGROUND_IMAGE_MASK; + bits >>= BACKGROUND_IMAGE_SHIFT; + + /* 1bit: type */ + *url = style->background_image; + + return bits; +} +#undef BACKGROUND_IMAGE_MASK +#undef BACKGROUND_IMAGE_SHIFT +#undef BACKGROUND_IMAGE_INDEX + +#define COLOR_INDEX 3 +#define COLOR_SHIFT 0 +#define COLOR_MASK 0x1 +static inline uint8_t css_computed_color( + const css_computed_style *style, + css_color *color) +{ + uint8_t bits = style->bits[COLOR_INDEX]; + bits &= COLOR_MASK; + bits >>= COLOR_SHIFT; + + /* 1bit: type */ + *color = style->color; + + return bits; +} +#undef COLOR_MASK +#undef COLOR_SHIFT +#undef COLOR_INDEX + +#define LIST_STYLE_IMAGE_INDEX 4 +#define LIST_STYLE_IMAGE_SHIFT 0 +#define LIST_STYLE_IMAGE_MASK 0x1 +static inline uint8_t css_computed_list_style_image( + const css_computed_style *style, + const css_string **url) +{ + uint8_t bits = style->bits[LIST_STYLE_IMAGE_INDEX]; + bits &= LIST_STYLE_IMAGE_MASK; + bits >>= LIST_STYLE_IMAGE_SHIFT; + + /* 1bit: type */ + *url = style->list_style_image; + + return bits; +} +#undef LIST_STYLE_IMAGE_MASK +#undef LIST_STYLE_IMAGE_SHIFT +#undef LIST_STYLE_IMAGE_INDEX + +#define FONT_FAMILY_INDEX 5 +#define FONT_FAMILY_SHIFT 0 +#define FONT_FAMILY_MASK 0x1 +static inline uint8_t css_computed_font_family( + const css_computed_style *style, + const css_string ***names) +{ + uint8_t bits = style->bits[FONT_FAMILY_INDEX]; + bits &= FONT_FAMILY_MASK; + bits >>= FONT_FAMILY_SHIFT; + + /* 1bit: type */ + *names = style->font_family; + + return bits; +} +#undef FONT_FAMILY_MASK +#undef FONT_FAMILY_SHIFT +#undef FONT_FAMILY_INDEX + #endif |