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#include "Runtime/GUI/Font.h"
#include "Runtime/Graphics/Shader.h"
#include "Runtime/Debug/Log.h"
#include "Runtime/Graphics/GfxDevice.h"
#include "Runtime/Common/DataBuffer.h"
#include "Runtime/GUI/utf8.h"
#include "Runtime/Utilities/StaticInitiator.h"
#include "Runtime/GUI/UITextMesh.h"
#include "Runtime/Math/Math.h"
static std::vector<character::Unicode>* s_Codepoints;
InitializeStaticVariables([](){
s_Codepoints = new std::vector<character::Unicode>();
});
LUA_BIND_REGISTRY(Font)
{
LUA_BIND_REGISTER_METHODS(state,
{ "New", _New },
{ "GetCharacter", _GetCharacter },
{ "GetCharacters", _GetCharacters },
{ "GetGlyphAtlas", _GetGlyphAtlas }
);
}
LUA_BIND_POSTPROCESS(Font)
{
}
// Font.New(ttfPath, atlasSize, margin, padding)
// Font.New(ttfData, atlasSize, margin, padding)
LUA_BIND_IMPL_METHOD(Font, _New)
{
LUA_BIND_STATE(L);
LUA_BIND_CHECK(L, "STNN!|UTNN!");
Font* font = NULL;
if (state.CheckParams(1, "STNN!"))
{
const char* path = state.GetValue<const char*>(1, "");
TextGeneratingSettings setting;
setting.atlasSize = state.GetValue<Vector2>(2, Vector2(128, 128));
setting.margin = state.GetValue<int>(3, 0);
setting.padding = state.GetValue<int>(4, 0);
try {
font = new Font(state.GetVM(), path, setting);
}
catch (FontException& e)
{
log_error(e.what());
state.PushNil();
return 1;
}
}
else if (state.CheckParams(1, "UTNN!"))
{
DataBuffer* buffer = state.GetUserdata<DataBuffer>(1);
if (buffer == NULL)
{
log_error("Create font failed, DataBuffer is invalid.");
state.PushNil();
return 1;
}
TextGeneratingSettings setting;
setting.atlasSize = state.GetValue<Vector2>(2, Vector2(128, 128));
setting.margin = state.GetValue<int>(3, 0);
setting.padding = state.GetValue<int>(4, 0);
try {
font = new Font(state.GetVM(), buffer, setting);
}
catch (FontException& e)
{
log_error(e.what());
state.PushNil();
return 1;
}
}
font->PushUserdata(state);
return 1;
}
// font:GetCharacter(char, size, encoding)
LUA_BIND_IMPL_METHOD(Font, _GetCharacter)
{
LUA_BIND_PREPARE(L, Font);
return 1;
}
// font:GetCharacter(str, size, wordwrap, preferredWidth, encoding)
LUA_BIND_IMPL_METHOD(Font, _GetCharacters)
{
LUA_BIND_PREPARE(L, Font);
//LUA_BIND_CHECK(L, "US");
char* buf = (char*)state.GetValue<const char*>(2, "");
int size = state.GetValue<int>(3, 12);
bool wordwrap = state.GetValue<bool>(4, false);
float preferred = state.GetValue<float>(5, 0);
int encoding = state.GetValue<int>(6, EEncoding::Encoding_UTF8);
s_Codepoints->clear();
if (encoding == EEncoding::Encoding_UTF8)
{
while (*buf != 0) {
int err;
s_Codepoints->push_back(utf8::getu8c(&buf, &err));
if (err != 0)
{
log_warning("Illegal utf8 bytes %d", err);
}
}
}
else if (encoding == EEncoding::Encoding_UTF16)
{
while (*buf != 0) {
unsigned short* s = (unsigned short*)(buf);
s_Codepoints->push_back(*s);
buf += 2;
}
}
else if (encoding == EEncoding::Encoding_ASCII)
{
while (*buf != 0) {
s_Codepoints->push_back(*buf);
buf += 1;
}
}
self->RenderCharacters(*s_Codepoints, size);
UnicodeString str;
str.str = s_Codepoints->data();
str.length = s_Codepoints->size();
WipeGLError();
UITextMesh* tm = new UITextMesh(str, self, size, size + 3, TextAnchor_UpperLeft, TextAlignment_Left, wordwrap, preferred);
tm->Draw();
return 0;
}
// font:GetAtlas(i)
// return lightuserdata
LUA_BIND_IMPL_METHOD(Font, _GetGlyphAtlas)
{
LUA_BIND_PREPARE(L, Font);
//LUA_BIND_CHECK(L, "UN");
//int i = state.GetValue<int>(2, 0);
//GlyphAtals atlas = self->m_Atlases[i];
//state.Push((const void*)atlas.altas);
return 1;
}
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