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LibWeb: Add stop-color as a CSS property

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(This is to set the color of a stop for an SVG gradient)
This commit is contained in:
MacDue 2023-04-19 18:51:00 +01:00 • committed by Andreas Kling
parent f099ee3d47
commit 297d8eebcd
7 changed files with 86 additions and 2 deletions
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29
Userland/Libraries/LibWeb/SVG/AttributeParser.h
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@ -88,12 +88,40 @@ struct PreserveAspectRatio {
MeetOrSlice meet_or_slice { MeetOrSlice::Meet };
};
class NumberPercentage {
public:
NumberPercentage(float value, bool is_percentage)
: m_value(is_percentage ? value / 100 : value)
, m_is_percentage(is_percentage)
{
}
static NumberPercentage create_percentage(float value)
{
return NumberPercentage(value, true);
}
static NumberPercentage create_number(float value)
{
return NumberPercentage(value, false);
}
float resolve_relative_to(float length);
float value() { return m_value; }
private:
float m_value;
bool m_is_percentage { false };
};
class AttributeParser final {
public:
~AttributeParser() = default;
static Optional<float> parse_coordinate(StringView input);
static Optional<float> parse_length(StringView input);
static Optional<NumberPercentage> parse_number_percentage(StringView input);
static Optional<float> parse_positive_length(StringView input);
static Vector<Gfx::FloatPoint> parse_points(StringView input);
static Vector<PathInstruction> parse_path_data(StringView input);
@ -137,6 +165,7 @@ private:
bool match_comma_whitespace() const;
bool match_coordinate() const;
bool match_length() const;
bool match_number() const;
bool match(char c) const { return !done() && ch() == c; }
bool done() const { return m_lexer.is_eof(); }