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#pragma once
#include "color.hpp"
#include "defines.hpp"
#include "../base/string_utils.hpp"
#include "../base/mutex.hpp"
#include "../std/shared_ptr.hpp"
#include "../std/vector.hpp"
#include "../std/string.hpp"
#include "../std/utility.hpp"
namespace graphics
{
/// metrics of the single glyph
struct GlyphMetrics
{
int m_xAdvance;
int m_yAdvance;
int m_xOffset;
int m_yOffset;
int m_width;
int m_height;
};
struct GlyphBitmap
{
unsigned m_width;
unsigned m_height;
unsigned m_pitch;
vector<unsigned char> m_data;
};
struct GlyphKey
{
strings::UniChar m_symbolCode;
int m_fontSize;
bool m_isMask;
graphics::Color m_color;
/// as it's used for fixed fonts only, the color doesn't matter
/// @TODO REMOVE IT!!! All chars are already 32bit
uint32_t toUInt32() const;
GlyphKey(strings::UniChar symbolCode,
int fontSize,
bool isMask,
Color const & color);
GlyphKey();
};
struct Font;
bool operator<(GlyphKey const & l, GlyphKey const & r);
bool operator!=(GlyphKey const & l, GlyphKey const & r);
struct GlyphCacheImpl;
class GlyphCache
{
private:
shared_ptr<GlyphCacheImpl> m_impl;
static threads::Mutex s_fribidiMutex;
public:
struct Params
{
string m_blocksFile;
string m_whiteListFile;
string m_blackListFile;
size_t m_maxSize;
EDensity m_density;
bool m_isDebugging;
Params(string const & blocksFile,
string const & whiteListFile,
string const & blackListFile,
size_t maxSize,
EDensity density,
bool isDebugging);
};
GlyphCache();
GlyphCache(Params const & params);
void reset();
//void addFont(char const * fileName);
void addFonts(vector<string> const & fontNames);
pair<Font*, int> getCharIDX(GlyphKey const & key);
shared_ptr<GlyphBitmap> const getGlyphBitmap(GlyphKey const & key);
/// return control box(could be slightly larger than the precise bound box).
GlyphMetrics const getGlyphMetrics(GlyphKey const & key);
double getTextLength(double fontSize, string const & text);
static strings::UniString log2vis(strings::UniString const & str);
};
}
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