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LibGfx: Add more query methods to FontDatabase and Typeface
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parent
e504d4ef96
commit
5a70ccecb3
Notes:
sideshowbarker
2024-07-18 22:18:04 +09:00
Author: https://github.com/sunverwerth Commit: https://github.com/SerenityOS/serenity/commit/5a70ccecb3b Pull-request: https://github.com/SerenityOS/serenity/pull/4712
@ -159,10 +159,19 @@ RefPtr<Gfx::Font> FontDatabase::get_by_name(const StringView& name)
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RefPtr<Gfx::Font> FontDatabase::get(const String& family, unsigned size, unsigned weight)
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{
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for (auto& it : m_private->full_name_to_font_map) {
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auto& font = *it.value;
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if (font.family() == family && font.presentation_size() == size && font.weight() == weight)
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return font;
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for (auto typeface : m_private->typefaces) {
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if (typeface->family() == family && typeface->weight() == weight)
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return typeface->get_font(size);
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}
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return nullptr;
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}
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RefPtr<Gfx::Font> FontDatabase::get(const String& family, const String& variant, unsigned size)
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{
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dbgln("FontDatabase: Request font {} {} {}", family, variant, size);
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for (auto typeface : m_private->typefaces) {
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if (typeface->family() == family && typeface->variant() == variant)
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return typeface->get_font(size);
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}
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return nullptr;
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}
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@ -178,4 +187,11 @@ RefPtr<Typeface> FontDatabase::get_or_create_typeface(const String& family, cons
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return typeface;
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}
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void FontDatabase::for_each_typeface(Function<void(const Typeface&)> callback)
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{
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for (auto typeface : m_private->typefaces) {
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callback(*typeface);
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}
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}
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}
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@ -45,16 +45,19 @@ public:
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static Font& default_bold_fixed_width_font();
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RefPtr<Gfx::Font> get(const String& family, unsigned size, unsigned weight);
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RefPtr<Gfx::Font> get(const String& family, const String& variant, unsigned size);
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RefPtr<Gfx::Font> get_by_name(const StringView&);
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void for_each_font(Function<void(const Gfx::Font&)>);
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void for_each_fixed_width_font(Function<void(const Gfx::Font&)>);
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RefPtr<Typeface> get_or_create_typeface(const String& family, const String& variant);
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void for_each_typeface(Function<void(const Typeface&)>);
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private:
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FontDatabase();
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~FontDatabase();
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RefPtr<Typeface> get_or_create_typeface(const String& family, const String& variant);
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struct Private;
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OwnPtr<Private> m_private;
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};
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@ -28,6 +28,16 @@
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namespace Gfx {
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unsigned Typeface::weight() const
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{
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ASSERT(m_ttf_font || m_bitmap_fonts.size() > 0);
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if (is_fixed_size())
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return m_bitmap_fonts[0]->weight();
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return m_ttf_font->weight();
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}
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void Typeface::add_bitmap_font(RefPtr<BitmapFont> font)
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{
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m_bitmap_fonts.append(font);
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@ -53,4 +63,11 @@ RefPtr<Font> Typeface::get_font(unsigned size)
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return {};
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}
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void Typeface::for_each_fixed_size_font(Function<void(const Font&)> callback) const
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{
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for (auto font : m_bitmap_fonts) {
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callback(*font);
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}
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}
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}
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@ -26,6 +26,7 @@
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#pragma once
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#include <AK/Function.h>
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#include <AK/RefCounted.h>
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#include <AK/String.h>
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#include <AK/Vector.h>
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@ -38,13 +39,17 @@ namespace Gfx {
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class Typeface : public RefCounted<Typeface> {
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public:
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Typeface(const String& family, const String& variant)
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: m_family(family)
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, m_variant(variant)
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{}
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: m_family(family)
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, m_variant(variant)
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{
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}
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String family() const { return m_family; }
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String variant() const { return m_variant; }
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unsigned weight() const { return 100; /*TODO*/ }
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unsigned weight() const;
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bool is_fixed_size() const { return !m_bitmap_fonts.is_empty(); }
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void for_each_fixed_size_font(Function<void(const Font&)>) const;
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void add_bitmap_font(RefPtr<BitmapFont>);
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void set_ttf_font(RefPtr<TTF::Font>);
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