216 lines
8.9 KiB
Plaintext
216 lines
8.9 KiB
Plaintext
/* DO NOT EDIT THIS FILE */
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/* This file is autogenerated by the text-database code generator */
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#ifndef TOUCHGFX_GENERATEDFONT_HPP
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#define TOUCHGFX_GENERATEDFONT_HPP
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#include <touchgfx/ConstFont.hpp>
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namespace touchgfx
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{
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class GeneratedFont : public ConstFont
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{
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public:
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GeneratedFont(const GlyphNode* glyphs, uint16_t numGlyphs, uint16_t height, uint16_t baseline, uint8_t pixAboveTop, uint8_t pixBelowBottom, uint8_t bitsPerPixel, uint8_t byteAlignRow, uint8_t maxLeft, uint8_t maxRight, const uint8_t* const* glyphDataInternalFlash, const KerningNode* kerningList, const Unicode::UnicodeChar fallbackChar, const Unicode::UnicodeChar ellipsisChar, const uint16_t* const gsubData, const FontContextualFormsTable* formsTable);
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using ConstFont::getGlyph;
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virtual const uint8_t* getPixelData(const GlyphNode* glyph) const;
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virtual int8_t getKerning(Unicode::UnicodeChar prevChar, const GlyphNode* glyph) const;
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virtual const uint16_t* getGSUBTable() const
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{
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return gsubTable;
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}
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virtual const FontContextualFormsTable* getContextualFormsTable() const
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{
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return arabicTable;
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}
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protected:
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GeneratedFont()
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: ConstFont(0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0), glyphData(0), kerningData(0), gsubTable(0), arabicTable(0)
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{
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}
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const void* glyphData; ///< The glyphs
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const KerningNode* kerningData; ///< The kerning
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const uint16_t* gsubTable; ///< The GSUB tables
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const FontContextualFormsTable* arabicTable; ///< Contextual forms
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};
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class FusedFont : public GeneratedFont
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{
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public:
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FusedFont(const GlyphNode* glyphs, uint16_t numGlyphs, uint16_t height, uint16_t baseline, uint8_t pixAboveTop, uint8_t pixBelowBottom, uint8_t bitsPerPixel, uint8_t byteAlignRow, uint8_t maxLeft, uint8_t maxRight, const uint8_t* const* glyphDataInternalFlash, const KerningNode* kerningList, const Unicode::UnicodeChar fallbackChar, const Unicode::UnicodeChar ellipsisChar, const uint16_t* const gsubData, const FontContextualFormsTable* formsTable, GlyphNode& fontFusedNode)
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: GeneratedFont(glyphs, numGlyphs, height, baseline, pixAboveTop, pixBelowBottom, bitsPerPixel, byteAlignRow,
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maxLeft, maxRight, glyphDataInternalFlash, kerningList, fallbackChar, ellipsisChar,
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gsubData, formsTable), fusedNode(fontFusedNode)
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{ }
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using GeneratedFont::getGlyph;
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virtual const GlyphNode* getGlyph(Unicode::UnicodeChar unicode, const uint8_t*& pixelData, uint8_t& bitsPerPixel) const;
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private:
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GlyphNode& fusedNode;
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};
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struct VectorFontNode
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{
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uint32_t dataOffset; ///< The index to the data of this glyph in words
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Unicode::UnicodeChar unicode; ///< The Unicode of this glyph.
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uint16_t width; ///< Width of the actual glyph data
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uint16_t height; ///< Height of the actual glyph data
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int16_t top; ///< Vertical offset from baseline of the glyph
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int16_t left; ///< Horizontal offset from the left of the glyph
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uint16_t advance; ///< Width of the glyph (including space to the left and right)
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uint16_t kerningTablePos; ///< Where are the kerning information for this glyph stored in the kerning table
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uint8_t kerningTableSize; ///< How many entries are there in the kerning table (following kerningTablePos) for this glyph
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};
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struct VectorKerningNode
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{
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Unicode::UnicodeChar unicodePrevChar; ///< The Unicode for the first character in the kerning pair
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int16_t distance; ///< The kerning distance
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};
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struct VectorFontData
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{
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uint16_t numberOfGlyphs;
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uint16_t baselineHeight;
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uint16_t maxLeft;
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uint16_t maxRight;
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uint16_t maxAboveTop;
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uint16_t maxBelowBottom;
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const Unicode::UnicodeChar fallbackChar;
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const Unicode::UnicodeChar ellipsisChar;
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};
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class GeneratedVectorFont : public Font
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{
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public:
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GeneratedVectorFont(uint16_t baseline, float scale, const VectorFontNode* vectorGlyphs, const VectorFontData& fontData,
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const uint16_t* const* glyphData, const VectorKerningNode* kerningTable,
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const uint16_t* const gsubData, const FontContextualFormsTable* formsTable);
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virtual const GlyphNode* getGlyph(Unicode::UnicodeChar unicode) const;
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virtual const GlyphNode* getGlyph(Unicode::UnicodeChar unicode, const uint8_t*& pixelData, uint8_t& bitsPerPixel) const;
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virtual int8_t getKerning(Unicode::UnicodeChar prevChar, const GlyphNode* glyph) const;
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virtual bool isVectorBasedFont() const { return true; }
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virtual float getScaleFactor() const { return scaleFactor; }
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virtual const uint16_t* getGSUBTable() const { return gsubTable; }
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virtual const FontContextualFormsTable* getContextualFormsTable() const { return arabicTable; }
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private:
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const VectorFontNode* find(Unicode::UnicodeChar unicode) const;
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const GlyphNode* getGlyphNode(const VectorFontNode* node) const;
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float scaleFactor;
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const VectorFontNode* vectorNodes;
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const uint16_t* const* vectorTable;
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const VectorKerningNode* kerningTable;
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const uint16_t* gsubTable;
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const FontContextualFormsTable* arabicTable;
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uint16_t numberOfGlyphs;
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static GlyphNode glyphNode;
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};
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struct BinaryFontData
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{
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uint32_t fontIndex; // The font index (as used by TypedTextDatabase)
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uint32_t sizeOfFontData; // Size of the complete BinaryFont
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uint32_t offsetToTable; // GlyphNode[]
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uint32_t offsetToKerning; // KerningNode[]
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uint32_t offsetToGlyphs; // uint8_t[]
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uint32_t offsetToGSUB; // uint16_t[]
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uint32_t offsetToArabicTable; // FontContextualFormsTable
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uint16_t numberOfGlyphs; // Number of glyphs in Table and Glyphs
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uint16_t fontHeight; // Font height
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uint16_t baseline; // Distance to baseline
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uint8_t pixAboveTop; // Max pixels above top
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uint8_t pixBelowBottom; // Max pixels below bottom
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uint8_t bitsPerPixel; // Bpp
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uint8_t byteAlignRow; // A4/A2/A1
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uint8_t maxLeft; // The maximum a glyph extends to the left
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uint8_t maxRight; // The maximum a glyph extends to the right
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Unicode::UnicodeChar fallbackChar; // Fallback Character for the font
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Unicode::UnicodeChar ellipsisChar; // Ellipsis Character for the font
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};
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class BinaryFont : public GeneratedFont
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{
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public:
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BinaryFont(const struct touchgfx::BinaryFontData* data)
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: GeneratedFont((const GlyphNode*)((const uint8_t*)data + data->offsetToTable),
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data->numberOfGlyphs,
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data->fontHeight,
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data->baseline,
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data->pixAboveTop,
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data->pixBelowBottom,
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data->bitsPerPixel,
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data->byteAlignRow,
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data->maxLeft,
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data->maxRight,
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0,
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(const KerningNode*)((const uint8_t*)data + data->offsetToKerning),
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data->fallbackChar,
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data->ellipsisChar,
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(data->offsetToGSUB == 0) ? 0 : (const uint16_t*)((const uint8_t*)data + data->offsetToGSUB),
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0),
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glyphData((const uint8_t*)data + data->offsetToGlyphs)
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{
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if (data->offsetToArabicTable > 0)
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{
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setupContextualTable(data);
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}
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}
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BinaryFont()
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: GeneratedFont()
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{
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}
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virtual const uint8_t* getPixelData(const GlyphNode* glyph) const
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{
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const uint8_t* data = (const uint8_t*)glyphData;
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return &(data[glyph->dataOffset]);
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}
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protected:
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const uint8_t* glyphData;
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FontContextualFormsTable contextualForms;
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private:
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typedef const Unicode::UnicodeChar (*array5ptr)[5];
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typedef const Unicode::UnicodeChar (*array4ptr)[4];
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void setupContextualTable(const struct touchgfx::BinaryFontData* data)
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{
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const uint16_t* const base = (const uint16_t*)(((const uint8_t*)data) + data->offsetToArabicTable);
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// First elements in binary font are offsets to arrays in 16bit words
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contextualForms.contextualForms4Long = (array5ptr)(base + base[0]);
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contextualForms.contextualForms3Long = (array5ptr)(base + base[1]);
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contextualForms.contextualForms2Long = (array5ptr)(base + base[2]);
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contextualForms.contextualForms0621_063a = (array4ptr)(base + base[3]);
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contextualForms.contextualForms0641_064a = (array4ptr)(base + base[4]);
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contextualForms.contextualForms06XX = (array5ptr)(base + base[5]);
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contextualForms.contextualForms4LongSize = base[6];
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contextualForms.contextualForms3LongSize = base[7];
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contextualForms.contextualForms2LongSize = base[8];
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contextualForms.contextualForms06XXSize = base[9];
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arabicTable = &contextualForms;
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}
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};
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} // namespace touchgfx
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#endif // TOUCHGFX_GENERATEDFONT_HPP
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