126 lines
5.3 KiB
Plaintext
126 lines
5.3 KiB
Plaintext
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/* 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_UNMAPPEDDATAFONT_HPP
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#define TOUCHGFX_UNMAPPEDDATAFONT_HPP
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#include <touchgfx/Font.hpp>
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namespace touchgfx
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{
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/**
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* An UnmappedDataFont has both glyph table and glyph data placed in a
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* flash which does not support random access read (indirect
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* access). A unicode table is located in a flash with random read
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* access (direct access).
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*
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* @see Font, ConstFont
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*/
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class UnmappedDataFont : public Font
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{
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public:
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/**
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* Construct the UnmappedDataFont.
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*
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* @param glyphs The array of glyphs known to this font (indirect).
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* @param unicodes The array of unicodes known to this font (direct).
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* @param numGlyphs The number of glyphs in list.
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* @param height The height in pixels of the highest character in this font.
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* @param baseline The height of the baseline in pixels.
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* @param pixBelowBottom The maximum number of pixels that can be drawn below the
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* bottom in this font.
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* @param bitsPerPixel The number of bits per pixel in this font.
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* @param byteAlignRow Are glyphs encoded using A4 format
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* @param maxLeft The maximum a character extends to the left.
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* @param maxRight The maximum a character extends to the right.
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* @param glyphDataList Pointer to pointers the glyph data for the font (indirect).
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* @param kerningList pointer to the kerning data for the font (direct).
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* @param fallbackChar The fallback character for the typography in case no glyph is
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* available.
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* @param ellipsisChar The ellipsis character used for truncating long texts.
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* @param gsubTable Pointer to GSUB table (direct).
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*/
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UnmappedDataFont(const GlyphNode* glyphs, const uint16_t* unicodes, 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* glyphDataList, const KerningNode* kerningList, const Unicode::UnicodeChar fallbackChar, const Unicode::UnicodeChar ellipsisChar, const uint16_t* const gsubData, const FontContextualFormsTable* formsTable);
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using Font::getGlyph;
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/**
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* Gets the glyph data associated with the specified Unicode. The
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GlyphNode is allocated in the buffer passed to the constructor.
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*
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* Please note that in case of Thai letters and Arabic letters
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* where diacritics can be placed relative to the previous
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* character(s), please use TextProvider::getNextLigature()
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* instead as it will create a temporary GlyphNode that will be
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* adjusted with respect to X/Y position.
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*
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* @param unicode The character to look up.
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* @param pixelData Pointer to the pixel data for the glyph if the glyph is
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* found. This is set by this method.
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* @param [out] bitsPerPixel Reference where to place the number of bits per pixel.
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*
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* @return A pointer to the glyph node or null if the glyph was not found.
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*/
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virtual const GlyphNode* getGlyph(Unicode::UnicodeChar unicode, const uint8_t*& pixelData, uint8_t& bitsPerPixel) const;
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/**
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* Obtains the address to the pixel data for the specified glyph.
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*
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* @param glyph The glyph to get the pixels data of.
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*
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* @return The address of the pixel data of the glyph.
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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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* Gets the kerning distance between two characters.
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*
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* @param prevChar The unicode value of the previous character.
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* @param glyph the glyph object for the current character.
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*
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* @return The kerning distance between prevChar and glyph char.
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*/
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virtual int8_t getKerning(Unicode::UnicodeChar prevChar, const GlyphNode* glyph) const;
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/**
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* Gets GSUB table.
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*
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* @return The GSUB table or null if font has GSUB no table
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*/
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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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/**
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* Gets the contextual forms table used in arabic fonts.
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*
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* @return The FontContextualFormsTable or null if the font has no table.
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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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UnmappedDataFont()
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: Font(0, 0, 0, 0, 0, 0, 0, 0, 0, 0), glyphList(0), unicodes(0), glyphDataList(0), kerningData(0), gsubTable(0)
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{
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}
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int lookupUnicode(uint16_t unicode) const;
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const GlyphNode* glyphList; ///< The list of glyphs
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uint16_t listSize; ///< The size of the list of glyphs
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const uint16_t* unicodes; ///< LookupTable with all unicodes in this font
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const void* glyphDataList; ///< The glyphs (list of pointers)
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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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static GlyphNode glyphNodeBuffer; ///< Buffer for GlyphNodes read from unmapped flash
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};
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} // namespace touchgfx
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#endif // TOUCHGFX_UNMAPPEDDATAFONT_HPP
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