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#pragma once
#include "base/string_utils.hpp"
#include "drape/color.hpp"
#include "drape/pointers.hpp"
#include "drape/texture.hpp"
#include "drape/glyph_manager.hpp"
namespace dp
{
class TextureManager
{
public:
class BaseRegion
{
public:
void SetResourceInfo(RefPointer<Texture::ResourceInfo> info);
void SetTexture(RefPointer<Texture> texture);
RefPointer<Texture> GetTexture() const { return m_texture; }
bool IsValid() const;
m2::PointU GetPixelSize() const;
uint32_t GetPixelHeight() const;
m2::RectF const & GetTexRect() const;
protected:
RefPointer<Texture::ResourceInfo> m_info;
RefPointer<Texture> m_texture;
};
class SymbolRegion : public BaseRegion {};
class GlyphRegion : public BaseRegion
{
public:
GlyphRegion();
float GetOffsetX() const;
float GetOffsetY() const;
float GetAdvanceX() const;
float GetAdvanceY() const;
};
class StippleRegion : public BaseRegion
{
public:
StippleRegion() : BaseRegion() {}
uint32_t GetMaskPixelLength() const;
uint32_t GetPatternPixelLength() const;
};
class ColorRegion : public BaseRegion
{
public:
ColorRegion() : BaseRegion() {}
};
struct Params
{
string m_resPrefix;
GlyphManager::Params m_glyphMngParams;
};
void Init(Params const & params);
void Release();
void GetSymbolRegion(string const & symbolName, SymbolRegion & region) const;
typedef buffer_vector<uint8_t, 8> TStipplePattern;
void GetStippleRegion(TStipplePattern const & pen, StippleRegion & region) const;
void GetColorRegion(Color const & color, ColorRegion & region) const;
typedef buffer_vector<GlyphRegion, 32> TGlyphsBuffer;
void GetGlyphRegions(strings::UniString const & text, TGlyphsBuffer & regions) const;
void UpdateDynamicTextures();
private:
struct GlyphGroup
{
GlyphGroup() = default;
GlyphGroup(strings::UniChar const & start, strings::UniChar const & end)
: m_startChar(start), m_endChar(end) {}
strings::UniChar m_startChar = 0;
strings::UniChar m_endChar = 0;
MasterPointer<Texture> m_texture;
};
uint32_t m_maxTextureSize;
void AllocateGlyphTexture(TextureManager::GlyphGroup & group) const;
private:
MasterPointer<Texture> m_symbolTexture;
MasterPointer<Texture> m_stipplePenTexture;
MasterPointer<Texture> m_colorTexture;
MasterPointer<GlyphManager> m_glyphManager;
mutable buffer_vector<GlyphGroup, 64> m_glyphGroups;
mutable buffer_vector<MasterPointer<Texture>, 4> m_hybridGlyphGroups;
};
} // namespace dp
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