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Diffstat (limited to 'include/mbgl/text/glyph_store.hpp')
-rw-r--r-- | include/mbgl/text/glyph_store.hpp | 99 |
1 files changed, 0 insertions, 99 deletions
diff --git a/include/mbgl/text/glyph_store.hpp b/include/mbgl/text/glyph_store.hpp deleted file mode 100644 index 95ab92f307..0000000000 --- a/include/mbgl/text/glyph_store.hpp +++ /dev/null @@ -1,99 +0,0 @@ -#ifndef MBGL_TEXT_GLYPH_STORE -#define MBGL_TEXT_GLYPH_STORE - -#include <mbgl/text/glyph.hpp> -#include <mbgl/util/pbf.hpp> -#include <mbgl/util/vec.hpp> -#include <mbgl/util/ptr.hpp> - -#include <cstdint> -#include <vector> -#include <future> -#include <map> -#include <set> -#include <unordered_map> - -namespace mbgl { - -class FileSource; - -class SDFGlyph { -public: - uint32_t id = 0; - - // A signed distance field of the glyph with a border of 3 pixels. - std::string bitmap; - - // Glyph metrics - GlyphMetrics metrics; -}; - -class FontStack { -public: - void insert(uint32_t id, const SDFGlyph &glyph); - const std::map<uint32_t, GlyphMetrics> &getMetrics() const; - const std::map<uint32_t, SDFGlyph> &getSDFs() const; - const Shaping getShaping(const std::u32string &string, float maxWidth, float lineHeight, - float horizontalAlign, float verticalAlign, float justify, - float spacing, const vec2<float> &translate) const; - void lineWrap(Shaping &shaping, float lineHeight, float maxWidth, float horizontalAlign, - float verticalAlign, float justify) const; - -private: - std::map<uint32_t, std::string> bitmaps; - std::map<uint32_t, GlyphMetrics> metrics; - std::map<uint32_t, SDFGlyph> sdfs; - mutable std::mutex mtx; -}; - -class GlyphPBF { -public: - GlyphPBF(const std::string &glyphURL, const std::string &fontStack, GlyphRange glyphRange, FileSource& fileSource); - -private: - GlyphPBF(const GlyphPBF &) = delete; - GlyphPBF(GlyphPBF &&) = delete; - GlyphPBF &operator=(const GlyphPBF &) = delete; - GlyphPBF &operator=(GlyphPBF &&) = delete; - -public: - void parse(FontStack &stack); - - std::shared_future<GlyphPBF &> getFuture(); - -private: - std::string data; - std::promise<GlyphPBF &> promise; - std::shared_future<GlyphPBF &> future; - std::mutex mtx; -}; - -// Manages Glyphrange PBF loading. -class GlyphStore { -public: - GlyphStore(FileSource& fileSource); - - // Block until all specified GlyphRanges of the specified font stack are loaded. - void waitForGlyphRanges(const std::string &fontStack, const std::set<GlyphRange> &glyphRanges); - - FontStack &getFontStack(const std::string &fontStack); - - void setURL(const std::string &url); - -private: - // Loads an individual glyph range from the font stack and adds it to rangeSets - std::shared_future<GlyphPBF &> loadGlyphRange(const std::string &fontStack, std::map<GlyphRange, std::unique_ptr<GlyphPBF>> &rangeSets, GlyphRange range); - - FontStack &createFontStack(const std::string &fontStack); - - std::string glyphURL; - FileSource& fileSource; - std::unordered_map<std::string, std::map<GlyphRange, std::unique_ptr<GlyphPBF>>> ranges; - std::unordered_map<std::string, std::unique_ptr<FontStack>> stacks; - std::mutex mtx; -}; - - -} - -#endif |