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LibPDF: Record base font name read from document

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This will be useful for debugging, or if we later on want to show all
the fonts found in the document in an organised manner.
This commit is contained in:
Rodrigo Tobar 2023-01-07 12:26:59 +08:00 committed by Andreas Kling
parent 2552399bcd
commit bfeca4ebb3
Notes: sideshowbarker 2024-07-17 01:16:24 +09:00 
Author: https://github.com/rtobar
Commit: https://github.com/SerenityOS/serenity/commit/bfeca4ebb3
Pull-request: https://github.com/SerenityOS/serenity/pull/17082
5 changed files with 8 additions and 3 deletions
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6
Userland/Libraries/LibPDF/Fonts/PDFFont.cpp
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@ -33,9 +33,9 @@ static bool is_standard_latin_font(DeprecatedFlyString const& font)
PDFErrorOr<void> PDFFont::CommonData::load_from_dict(Document* document, NonnullRefPtr<DictObject> dict, float font_size)
{
auto base_font = TRY(dict->get_name(document, CommonNames::BaseFont))->name();
if ((is_standard_font = is_standard_latin_font(base_font))) {
auto replacement = replacement_for_standard_latin_font(base_font.to_lowercase());
base_font_name = TRY(dict->get_name(document, CommonNames::BaseFont))->name();
if ((is_standard_font = is_standard_latin_font(base_font_name))) {
auto replacement = replacement_for_standard_latin_font(base_font_name.to_lowercase());
font = Gfx::FontDatabase::the().get(replacement.get<0>(), replacement.get<1>(), font_size);
VERIFY(font);
}

2
Userland/Libraries/LibPDF/Fonts/PDFFont.h
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@ -24,6 +24,7 @@ public:
// This is used both by Type 1 and TrueType fonts.
struct CommonData {
DeprecatedFlyString base_font_name;
RefPtr<Gfx::Font> font;
RefPtr<StreamObject> to_unicode;
RefPtr<Encoding> encoding;
@ -45,6 +46,7 @@ public:
virtual bool is_standard_font() const { return m_is_standard_font; }
virtual Type type() const = 0;
virtual DeprecatedFlyString base_font_name() const = 0;
protected:
static Tuple<DeprecatedString, DeprecatedString> replacement_for_standard_latin_font(StringView);

1
Userland/Libraries/LibPDF/Fonts/TrueTypeFont.h
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@ -27,6 +27,7 @@ public:
void draw_glyph(Gfx::Painter&, Gfx::FloatPoint, float, u32, Color) override;
Type type() const override { return PDFFont::Type::TrueType; }
DeprecatedFlyString base_font_name() const override { return m_data.base_font_name; }
private:
PDFFont::CommonData m_data;

1
Userland/Libraries/LibPDF/Fonts/Type0Font.h
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@ -30,6 +30,7 @@ public:
void draw_glyph(Gfx::Painter&, Gfx::FloatPoint, float, u32, Color) override {};
Type type() const override { return PDFFont::Type::Type0; }
DeprecatedFlyString base_font_name() const override { return ""; }
private:
CIDSystemInfo m_system_info;

1
Userland/Libraries/LibPDF/Fonts/Type1Font.h
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@ -31,6 +31,7 @@ public:
void draw_glyph(Gfx::Painter& painter, Gfx::FloatPoint point, float width, u32 char_code, Color color) override;
Type type() const override { return PDFFont::Type::Type1; }
DeprecatedFlyString base_font_name() const override { return m_data.base_font_name; };
private:
Data m_data;