mirror of
https://github.com/RGBCube/serenity
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39 lines
1.4 KiB
C++
39 lines
1.4 KiB
C++
/*
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* Copyright (c) 2023, Rodrigo Tobar <rtobarc@gmail.com>.
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#pragma once
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#include <LibGfx/Point.h>
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#include <LibPDF/Fonts/PDFFont.h>
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namespace PDF {
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class SimpleFont : public PDFFont {
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public:
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PDFErrorOr<Gfx::FloatPoint> draw_string(Gfx::Painter&, Gfx::FloatPoint, DeprecatedString const&, Renderer const&) override;
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protected:
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PDFErrorOr<void> initialize(Document* document, NonnullRefPtr<DictObject> const& dict, float font_size) override;
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virtual Optional<float> get_glyph_width(u8 char_code) const = 0;
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virtual PDFErrorOr<void> draw_glyph(Gfx::Painter& painter, Gfx::FloatPoint point, float width, u8 char_code, Renderer const&) = 0;
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RefPtr<Encoding>& encoding() { return m_encoding; }
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RefPtr<Encoding> const& encoding() const { return m_encoding; }
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Gfx::AffineTransform& font_matrix() { return m_font_matrix; }
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private:
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RefPtr<Encoding> m_encoding;
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RefPtr<StreamObject> m_to_unicode;
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HashMap<u8, u16> m_widths;
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u16 m_missing_width { 0 };
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// "For all font types except Type 3, the units of glyph space are one-thousandth of a unit of text space;
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// for a Type 3 font, the transformation from glyph space to text space is defined by a font matrix specified
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// in an explicit FontMatrix entry in the font."
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Gfx::AffineTransform m_font_matrix { 1.0f / 1000.0f, 0, 0, 1.0f / 1000.0f, 0, 0 };
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};
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}
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