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#include "drape/symbols_texture.hpp"
#include "drape/utils/stb_image.h"
#include "platform/platform.hpp"
#include "coding/reader.hpp"
#include "coding/parse_xml.hpp"
#include "base/string_utils.hpp"
namespace dp
{
class SymbolsTexture::DefinitionLoader
{
public:
DefinitionLoader(SymbolsTexture::TSymDefinition & definition)
: m_def(definition)
, m_width(0)
, m_height(0)
{
}
bool Push(string const & /*element*/) { return true;}
void Pop(string const & element)
{
if (element == "symbol")
{
ASSERT(!m_name.empty(), ());
ASSERT(m_rect.IsValid(), ());
m_def.insert(make_pair(m_name, SymbolsTexture::SymbolInfo(m_rect)));
m_name = "";
m_rect.MakeEmpty();
}
}
void AddAttr(string const & attribute, string const & value)
{
if (attribute == "name")
m_name = value;
else
{
int v;
if (!strings::to_int(value, v))
return;
if (attribute == "minX")
{
ASSERT(m_width != 0, ());
m_rect.setMinX(v / (float)m_width);
}
else if (attribute == "minY")
{
ASSERT(m_height != 0, ());
m_rect.setMinY(v / (float)m_height);
}
else if (attribute == "maxX")
{
ASSERT(m_width != 0, ());
m_rect.setMaxX(v / (float)m_width);
}
else if (attribute == "maxY")
{
ASSERT(m_height != 0, ());
m_rect.setMaxY(v / (float)m_height);
}
else if (attribute == "height")
m_height = v;
else if (attribute == "width")
m_width = v;
}
}
void CharData(string const &) {}
uint32_t GetWidth() const { return m_width; }
uint32_t GetHeight() const { return m_height; }
private:
SymbolsTexture::TSymDefinition & m_def;
uint32_t m_width;
uint32_t m_height;
string m_name;
m2::RectF m_rect;
};
SymbolsTexture::SymbolKey::SymbolKey(string const & symbolName)
: m_symbolName(symbolName)
{
}
Texture::ResourceType SymbolsTexture::SymbolKey::GetType() const
{
return Texture::Symbol;
}
string const & SymbolsTexture::SymbolKey::GetSymbolName() const
{
return m_symbolName;
}
SymbolsTexture::SymbolInfo::SymbolInfo(const m2::RectF & texRect)
: ResourceInfo(texRect)
{
}
Texture::ResourceType SymbolsTexture::SymbolInfo::GetType() const
{
return Symbol;
}
void SymbolsTexture::Load(string const & skinPathName)
{
vector<unsigned char> rawData;
uint32_t width, height;
try
{
DefinitionLoader loader(m_definition);
{
ReaderPtr<Reader> reader = GetPlatform().GetReader(skinPathName + ".sdf");
ReaderSource<ReaderPtr<Reader> > source(reader);
if (!ParseXML(source, loader))
{
LOG(LERROR, ("Error parsing skin"));
Fail();
return;
}
width = loader.GetWidth();
height = loader.GetHeight();
}
{
ReaderPtr<Reader> reader = GetPlatform().GetReader(skinPathName + ".png");
size_t const size = reader.Size();
rawData.resize(size);
reader.Read(0, &rawData[0], size);
}
}
catch (RootException & e)
{
LOG(LERROR, (e.what()));
Fail();
return;
}
int w, h, bpp;
unsigned char * data = stbi_png_load_from_memory(&rawData[0], rawData.size(), &w, &h, &bpp, 0);
if (width == w && height == h)
Create(width, height, RGBA8, MakeStackRefPointer<void>(data));
else
Fail();
stbi_image_free(data);
}
RefPointer<Texture::ResourceInfo> SymbolsTexture::FindResource(Texture::Key const & key) const
{
if (key.GetType() != Texture::Symbol)
return RefPointer<ResourceInfo>();
string const & symbolName = static_cast<SymbolKey const &>(key).GetSymbolName();
TSymDefinition::iterator it = m_definition.find(symbolName);
ASSERT(it != m_definition.end(), ());
return MakeStackRefPointer<ResourceInfo>(&it->second);
}
void SymbolsTexture::Fail()
{
m_definition.clear();
int32_t alfaTexture = 0;
Create(1, 1, RGBA8, MakeStackRefPointer(&alfaTexture));
}
} // namespace dp
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