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#include "lua/modules/luax.h"
#include "lua/modules/types.h"
#include "lua/common/je_lua_common.h"
#include "libjin/jin.h"
#include "je_lua_ttf.h"
using namespace JinEngine::Graphics;
using namespace JinEngine::Graphics::Fonts;
namespace JinEngine
{
namespace Lua
{
//////////////////////////////////////////////////////////////////////////////////////////////////////////
// TTFData
//////////////////////////////////////////////////////////////////////////////////////////////////////////
TTF* TTFData::createTTF(unsigned fontSize)
{
TTF* ttf;
try
{
ttf = new TTF(this, fontSize);
}
catch (...)
{
return nullptr;
}
return ttf;
}
//////////////////////////////////////////////////////////////////////////////////////////////////////////
// TTF
//////////////////////////////////////////////////////////////////////////////////////////////////////////
LUA_IMPLEMENT int l_gc(lua_State* L)
{
Proxy* proxy = (Proxy*)luax_checktype(L, 1, JIN_GRAPHICS_TTF);
{
/* release ttf data */
Shared<TTF>* ttf = &proxy->getShared<TTF>();
SharedBase* data = (SharedBase*)ttf->getUserdata();
data->release();
}
proxy->release();
return 0;
}
/* typeset(Text | string, lineheight, spacing) */
LUA_IMPLEMENT int l_typeset(lua_State* L)
{
Proxy* p = (Proxy*)luax_checktype(L, 1, JIN_GRAPHICS_TTF);
TTF* ttf = p->getObject<TTF>();
int lineheight = luax_optnumber(L, 3, ttf->getFontSize());
int spacing = luax_optnumber(L, 4, 0);
Page* page = nullptr;
if (luax_isstring(L, 2))
{
unsigned length;
const char* str = luax_checklstring(L, 2, &length);
Text text(Encode::UTF8, str, length);
page = ttf->typeset(text, lineheight, spacing);
}
else if (luax_istype(L, 2, JIN_GRAPHICS_TEXT))
{
Proxy* p2 = (Proxy*)luax_checktype(L, 2, JIN_GRAPHICS_TEXT);
Text* text = p2->getObject<Text>();
page = ttf->typeset(*text, lineheight, spacing);
}
Proxy* proxy = luax_newinstance(L, JIN_GRAPHICS_PAGE);
Shared<Page>* refPage = new Shared<Page>(page, JIN_GRAPHICS_PAGE);
{
/* retain related ttf */
Shared<TTF>& refTTF = p->getShared<TTF>();
refTTF.retain();
refPage->setUserdata(&refTTF);
}
proxy->bind(refPage);
return 1;
}
LUA_EXPORT int luaopen_TTF(lua_State* L)
{
luaL_Reg f[] = {
{ "__gc", l_gc },
{ "typeset", l_typeset },
{ 0, 0 }
};
luax_newtype(L, JIN_GRAPHICS_TTF, f);
return 0;
}
} // namespace Lua
} // namespace JinEngine
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