Everywhere: Hoist the Libraries folder to the top-level

Author: https://github.com/trflynn89 Commit: 93712b24bf Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/2256 Reviewed-by: https://github.com/sideshowbarker
2025-08-12 02:59:45 +00:00 · 2024-11-09 12:25:08 -05:00 · 2024-11-09 12:25:08 -05:00 · 93712b24bf · 2024-11-10 11:51:52 +00:00
commit 93712b24bf
parent 950e819ee7
4547 changed files with 104 additions and 113 deletions
--- a/Libraries/LibWeb/HTML/Canvas/CanvasTextDrawingStyles.h
+++ b/Libraries/LibWeb/HTML/Canvas/CanvasTextDrawingStyles.h
@ -0,0 +1,82 @@
+/*
+ * Copyright (c) 2023, Bastiaan van der Plaat <bastiaan.v.d.plaat@gmail.com>
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#pragma once
+
+#include <LibWeb/CSS/Parser/Parser.h>
+#include <LibWeb/CSS/StyleComputer.h>
+#include <LibWeb/CSS/StyleValues/ShorthandStyleValue.h>
+#include <LibWeb/DOM/Document.h>
+#include <LibWeb/HTML/Canvas/CanvasState.h>
+
+namespace Web::HTML {
+
+// https://html.spec.whatwg.org/multipage/canvas.html#canvastextdrawingstyles
+template<typename IncludingClass>
+class CanvasTextDrawingStyles {
+public:
+    ~CanvasTextDrawingStyles() = default;
+
+    ByteString font() const
+    {
+        // When font style value is empty return default string
+        if (!my_drawing_state().font_style_value) {
+            return "10px sans-serif";
+        }
+
+        // On getting, the font attribute must return the serialized form of the current font of the context (with no 'line-height' component).
+        auto const& font_style_value = my_drawing_state().font_style_value->as_shorthand();
+        auto font_style = font_style_value.longhand(CSS::PropertyID::FontStyle);
+        auto font_weight = font_style_value.longhand(CSS::PropertyID::FontWeight);
+        auto font_size = font_style_value.longhand(CSS::PropertyID::FontSize);
+        auto font_family = font_style_value.longhand(CSS::PropertyID::FontFamily);
+        return ByteString::formatted("{} {} {} {}", font_style->to_string(), font_weight->to_string(), font_size->to_string(), font_family->to_string());
+    }
+
+    void set_font(StringView font)
+    {
+        // The font IDL attribute, on setting, must be parsed as a CSS <'font'> value (but without supporting property-independent style sheet syntax like 'inherit'),
+        // and the resulting font must be assigned to the context, with the 'line-height' component forced to 'normal', with the 'font-size' component converted to CSS pixels,
+        // and with system fonts being computed to explicit values.
+        // FIXME: with the 'line-height' component forced to 'normal'
+        // FIXME: with the 'font-size' component converted to CSS pixels
+        auto parsing_context = CSS::Parser::ParsingContext { reinterpret_cast<IncludingClass&>(*this).realm() };
+        auto font_style_value_result = parse_css_value(parsing_context, font, CSS::PropertyID::Font);
+
+        // If the new value is syntactically incorrect (including using property-independent style sheet syntax like 'inherit' or 'initial'), then it must be ignored, without assigning a new font value.
+        // NOTE: ShorthandStyleValue should be the only valid option here. We implicitly VERIFY this below.
+        if (!font_style_value_result || !font_style_value_result->is_shorthand()) {
+            return;
+        }
+        my_drawing_state().font_style_value = font_style_value_result.release_nonnull();
+
+        // Load font with font style value properties
+        auto const& font_style_value = my_drawing_state().font_style_value->as_shorthand();
+        auto& canvas_element = reinterpret_cast<IncludingClass&>(*this).canvas_element();
+        auto& font_style = *font_style_value.longhand(CSS::PropertyID::FontStyle);
+        auto& font_weight = *font_style_value.longhand(CSS::PropertyID::FontWeight);
+        auto& font_width = *font_style_value.longhand(CSS::PropertyID::FontWidth);
+        auto& font_size = *font_style_value.longhand(CSS::PropertyID::FontSize);
+        auto& font_family = *font_style_value.longhand(CSS::PropertyID::FontFamily);
+        auto font_list = canvas_element.document().style_computer().compute_font_for_style_values(&canvas_element, {}, font_family, font_size, font_style, font_weight, font_width);
+        my_drawing_state().current_font = font_list->first();
+    }
+
+    Bindings::CanvasTextAlign text_align() const { return my_drawing_state().text_align; }
+    void set_text_align(Bindings::CanvasTextAlign text_align) { my_drawing_state().text_align = text_align; }
+
+    Bindings::CanvasTextBaseline text_baseline() const { return my_drawing_state().text_baseline; }
+    void set_text_baseline(Bindings::CanvasTextBaseline text_baseline) { my_drawing_state().text_baseline = text_baseline; }
+
+protected:
+    CanvasTextDrawingStyles() = default;
+
+private:
+    CanvasState::DrawingState& my_drawing_state() { return reinterpret_cast<IncludingClass&>(*this).drawing_state(); }
+    CanvasState::DrawingState const& my_drawing_state() const { return reinterpret_cast<IncludingClass const&>(*this).drawing_state(); }
+};
+
+}