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LibPDF: Introduce loading of common font data in PDFFont base class

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This font data is shared between Type 1 and TrueType fonts, which is
why we can now load it in the base class that they both use.
This commit is contained in:
Julian Offenhäuser 2022-11-22 19:41:04 +01:00 • committed by Andreas Kling
parent dd82a026f8
commit e748a94f80
2 changed files with 68 additions and 0 deletions
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13
Userland/Libraries/LibPDF/Fonts/PDFFont.h
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@ -6,8 +6,10 @@
#pragma once
#include <AK/HashMap.h>
#include <LibGfx/Forward.h>
#include <LibPDF/Document.h>
#include <LibPDF/Encoding.h>
namespace PDF {
@ -19,6 +21,17 @@ public:
TrueType
};
// This is used both by Type 1 and TrueType fonts.
struct CommonData {
RefPtr<StreamObject> to_unicode;
RefPtr<Encoding> encoding;
HashMap<u16, u16> widths;
u16 missing_width;
bool is_standard_font;
PDFErrorOr<void> load_from_dict(Document*, NonnullRefPtr<DictObject>);
};
static PDFErrorOr<NonnullRefPtr<PDFFont>> create(Document*, NonnullRefPtr<DictObject>);
virtual ~PDFFont() = default;