mirror of
https://github.com/RGBCube/serenity
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924d23353e
This patch adds support for index format 1 and image format 17. This is enough to get Noto Color Emoji working.
53 lines
2.7 KiB
C++
53 lines
2.7 KiB
C++
/*
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* Copyright (c) 2022, the SerenityOS developers.
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* Copyright (c) 2023, Andreas Kling <kling@serenityos.org>
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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 <AK/DeprecatedString.h>
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#include <AK/Noncopyable.h>
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#include <AK/OwnPtr.h>
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#include <AK/RefCounted.h>
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#include <LibCore/MappedFile.h>
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#include <LibGfx/Bitmap.h>
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#include <LibGfx/Font/VectorFont.h>
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namespace WOFF {
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class Font : public Gfx::VectorFont {
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AK_MAKE_NONCOPYABLE(Font);
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public:
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static ErrorOr<NonnullRefPtr<Font>> try_load_from_file(DeprecatedString path, unsigned index = 0);
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static ErrorOr<NonnullRefPtr<Font>> try_load_from_externally_owned_memory(ReadonlyBytes bytes, unsigned index = 0);
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virtual Gfx::ScaledFontMetrics metrics(float x_scale, float y_scale) const override { return m_input_font->metrics(x_scale, y_scale); }
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virtual Gfx::ScaledGlyphMetrics glyph_metrics(u32 glyph_id, float x_scale, float y_scale, float point_width, float point_height) const override { return m_input_font->glyph_metrics(glyph_id, x_scale, y_scale, point_width, point_height); }
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virtual float glyphs_horizontal_kerning(u32 left_glyph_id, u32 right_glyph_id, float x_scale) const override { return m_input_font->glyphs_horizontal_kerning(left_glyph_id, right_glyph_id, x_scale); }
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virtual RefPtr<Gfx::Bitmap> rasterize_glyph(u32 glyph_id, float x_scale, float y_scale, Gfx::GlyphSubpixelOffset subpixel_offset) const override { return m_input_font->rasterize_glyph(glyph_id, x_scale, y_scale, subpixel_offset); }
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virtual u32 glyph_count() const override { return m_input_font->glyph_count(); }
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virtual u16 units_per_em() const override { return m_input_font->units_per_em(); }
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virtual u32 glyph_id_for_code_point(u32 code_point) const override { return m_input_font->glyph_id_for_code_point(code_point); }
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virtual DeprecatedString family() const override { return m_input_font->family(); }
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virtual DeprecatedString variant() const override { return m_input_font->variant(); }
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virtual u16 weight() const override { return m_input_font->weight(); }
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virtual u16 width() const override { return m_input_font->width(); }
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virtual u8 slope() const override { return m_input_font->slope(); }
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virtual bool is_fixed_width() const override { return m_input_font->is_fixed_width(); }
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virtual bool has_color_bitmaps() const override { return m_input_font->has_color_bitmaps(); }
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private:
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Font(NonnullRefPtr<Gfx::VectorFont const> input_font, ByteBuffer input_font_buffer)
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: m_input_font_buffer(move(input_font_buffer))
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, m_input_font(move(input_font))
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{
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}
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ByteBuffer m_input_font_buffer;
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NonnullRefPtr<Gfx::VectorFont const> m_input_font;
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};
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}
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