Use TouchGFX

Middlewares/ST/touchgfx/framework/tools/textconvert/Templates/FontCache.hpp.temp

@@ -0,0 +1,96 @@
+/* DO NOT EDIT THIS FILE */
+/* This file is autogenerated by the text-database code generator */
+
+#ifndef TOUCHGFX_FONTCACHE_HPP
+#define TOUCHGFX_FONTCACHE_HPP
+
+#include <touchgfx/Font.hpp>
+#include <touchgfx/TypedText.hpp>
+#include <fonts/ApplicationFontProvider.hpp>
+
+namespace touchgfx
+{
+class CachedFont;
+
+class FontDataReader
+{
+public:
+    virtual ~FontDataReader()
+    {
+    }
+    virtual void open() = 0;
+    virtual void close() = 0;
+    virtual void setPosition(uint32_t position) = 0;
+    virtual void readData(void* out, uint32_t numberOfBytes) = 0;
+};
+
+class FontCache
+{
+public:
+    FontCache();
+    void setReader(FontDataReader* reader);
+    void clear(bool keepGsubOrContextTable = false);
+    void setMemory(uint8_t* memory, uint32_t size);
+    void initializeCachedFont(TypedText t, CachedFont* font, bool loadGsubOrContextTable = false);
+    bool cacheString(TypedText t, const Unicode::UnicodeChar* string);
+    bool cacheLigatures(CachedFont* font, TypedText t, const Unicode::UnicodeChar* string);
+
+    const GlyphNode* getGlyph(Unicode::UnicodeChar unicode, FontId font) const;
+    uint32_t getMemoryUsage()
+    {
+        return memorySize - (gsubStart - top);
+    }
+
+    void open();
+    void close();
+
+    static inline const uint8_t* getPixelData(const GlyphNode* glyph)
+    {
+        return ((const uint8_t*)glyph) + SizeGlyphNode + 4;
+    }
+    static inline bool isCached(const GlyphNode* g)
+    {
+        return g->dataOffset == 0xFFFFFFFF;
+    }
+
+private:
+    static const uint32_t SizeGlyphNode = 16;
+
+    bool contains(Unicode::UnicodeChar unicode, FontId font) const;
+    void insert(Unicode::UnicodeChar unicode, FontId font, uint32_t bpp, bool& outOfMemory);
+    uint8_t* copyGlyph(uint8_t* top, Unicode::UnicodeChar unicode, FontId font, uint32_t bpp, bool& outOfMemory);
+
+    void cacheData(uint32_t bpp, GlyphNode* first);
+    bool cacheSortedString(TypedText t);
+    bool createSortedString(const Unicode::UnicodeChar* string);
+    bool createSortedLigatures(CachedFont* font, TypedText t, const Unicode::UnicodeChar* string, ...);
+    bool sortSortedString(int n);
+
+    void setPosition(uint32_t position);
+    void readData(void* out, uint32_t numberOfBytes);
+
+    struct
+    {
+        uint8_t* first; // First GlyphNode, glyph in cache;
+        uint8_t* last;  // Last GlyphNode, glyph in cache;
+    } fontTable[MAX(TypographyFontIndex::NUMBER_OF_FONTS, 1)];
+
+    uint32_t memorySize;
+    uint8_t* memory;    // Start of memory
+    uint8_t* top;       // First unused byte
+    uint8_t* gsubStart; // First address of GSUB tables, allocated in the end of the cache
+
+    FontDataReader* reader;
+
+    Unicode::UnicodeChar* sortedString;
+    // Must be bigger than BinaryFontData
+    static const uint32_t MAX_BUFFER_SIZE = 64;
+    char buffer[MAX_BUFFER_SIZE];
+    uint32_t glyphDataOffset;
+    uint16_t numGlyphs;
+    uint16_t currentFileGlyphNumber;
+    GlyphNode currentFileGlyphNode;
+};
+} // namespace touchgfx
+
+#endif // TOUCHGFX_FONTCACHE_HPP