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70 lines
1.5 KiB
C++
70 lines
1.5 KiB
C++
#pragma once
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#include "base/assert.hpp"
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#include "base/buffer_vector.hpp"
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#include "base/shared_buffer_manager.hpp"
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#include <tuple> // std::tie
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namespace dp
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{
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struct GlyphImage
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{
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~GlyphImage()
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{
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ASSERT_NOT_EQUAL(m_data.use_count(), 1, ("Probably you forgot to call Destroy()"));
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}
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// TODO(AB): Get rid of manual call to Destroy.
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void Destroy()
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{
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if (m_data != nullptr)
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{
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SharedBufferManager::instance().freeSharedBuffer(m_data->size(), m_data);
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m_data = nullptr;
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}
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}
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uint32_t m_width;
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uint32_t m_height;
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SharedBufferManager::shared_buffer_ptr_t m_data;
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};
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struct GlyphFontAndId
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{
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int16_t m_fontIndex;
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uint16_t m_glyphId;
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// Required only for buffer_vector's internal T m_static[N];
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GlyphFontAndId() = default;
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constexpr GlyphFontAndId(int16_t fontIndex, uint16_t glyphId) : m_fontIndex(fontIndex), m_glyphId(glyphId) {}
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bool operator==(GlyphFontAndId const & other) const
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{
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return m_fontIndex == other.m_fontIndex && m_glyphId == other.m_glyphId;
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}
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bool operator<(GlyphFontAndId const & other) const
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{
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return std::tie(m_fontIndex, m_glyphId) < std::tie (other.m_fontIndex, other.m_glyphId);
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}
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};
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// 50 glyphs should fit most of the strings based on tests in Switzerland and China.
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using TGlyphs = buffer_vector<GlyphFontAndId, 50>;
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struct Glyph
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{
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Glyph(GlyphImage && image, GlyphFontAndId key)
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: m_image(image), m_key(key)
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{}
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GlyphImage m_image;
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GlyphFontAndId m_key;
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};
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} // namespace dp
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