int LuaFonts::SetTextColor(lua_State* L)
{
CglFont* font = tofont(L, 1);
const int args = lua_gettop(L); // number of arguments
if (args < 2) {
luaL_error(L, "Incorrect arguments to font:SetTextColor([\"textColor\"])");
}
float4* color = NULL;
if (lua_istable(L, 2)) {
color = new float4;
const int count = ParseFloatArray(L, 2, *color, 4);
if (count < 3) {
luaL_error(L, "Incorrect arguments to font:SetTextColor([\"textColor\"])");
}
if (count == 3) {
color->w = 1.0f;
}
} else if (args >= 4) {
color = new float4;
color->x = lua_tonumber(L, 2);
color->y = lua_tonumber(L, 3);
color->z = lua_tonumber(L, 4);
color->w = luaL_optfloat(L, 5, 1.0f);
} else if (!lua_isnil(L, 2)) {
luaL_error(L, "Incorrect arguments to font:SetTextColor([\"textColor\"])");
}
font->SetTextColor(color);
delete color;
return 0;
}
int LuaFonts::End(lua_State* L)
{
CheckDrawingEnabled(L, __FUNCTION__);
CglFont* font = tofont(L, 1);
font->End();
return 0;
}
int LuaFonts::GetTextWidth(lua_State* L)
{
CglFont* font = tofont(L, 1);
const string text(luaL_checkstring(L, 2),lua_strlen(L, 2));
const float width = font->GetTextWidth(text);
lua_pushnumber(L, width);
return 1;
}
int LuaFonts::meta_index(lua_State* L)
{
//! first check if there is a function
luaL_getmetatable(L, "Font");
lua_pushvalue(L, 2);
lua_rawget(L, -2);
if (!lua_isnil(L, -1)) {
return 1;
}
lua_pop(L, 1);
//! couldn't find a function, so check properties
CglFont* font = tofont(L, 1);
if (lua_israwstring(L, 2)) {
const string key = lua_tostring(L, 2);
if (key == "size") {
lua_pushnumber(L, font->GetSize());
return 1;
//} else if (key == "outlinecolor") {
//} else if (key == "textcolor") {
} else if (key == "path") {
const std::string& filepath = font->GetFilePath();
lua_pushlstring(L, filepath.c_str(), filepath.length());
return 1;
} else if (key == "height" || key == "lineheight") {
lua_pushnumber(L, font->GetLineHeight());
return 1;
} else if (key == "descender") {
lua_pushnumber(L, font->GetDescender());
return 1;
} else if (key == "outlinewidth") {
lua_pushnumber(L, font->GetOutlineWidth());
return 1;
} else if (key == "outlineweight") {
lua_pushnumber(L, font->GetOutlineWeight());
return 1;
} else if (key == "family") {
const std::string& family = font->GetFamily();
lua_pushlstring(L, family.c_str(), family.length());
return 1;
} else if (key == "style") {
const std::string& style = font->GetStyle();
lua_pushlstring(L, style.c_str(), style.length());
return 1;
} else if (key == "texturewidth") {
lua_pushnumber(L, font->GetTexWidth());
return 1;
} else if (key == "textureheight") {
lua_pushnumber(L, font->GetTexHeight());
return 1;
}
}
return 0;
}
int LuaFonts::BindTexture(lua_State* L)
{
CheckDrawingEnabled(L, __FUNCTION__);
CglFont* font = tofont(L, 1);
glBindTexture(GL_TEXTURE_2D, font->GetTexture());
glEnable(GL_TEXTURE_2D);
return 0;
}
int LuaFonts::GetTextHeight(lua_State* L)
{
CglFont* font = tofont(L, 1);
const string text(luaL_checkstring(L, 2),lua_strlen(L, 2));
float descender;
int lines;
const float height = font->GetTextHeight(text,&descender,&lines);
lua_pushnumber(L, height);
lua_pushnumber(L, descender);
lua_pushnumber(L, lines);
return 3;
}
int LuaFonts::SetAutoOutlineColor(lua_State* L)
{
CglFont* font = tofont(L, 1);
const int args = lua_gettop(L); // number of arguments
if (args < 2 || !lua_isboolean(L, 2)) {
luaL_error(L, "Incorrect arguments to font:SetAutoOutlineColor(enable)");
}
bool enable = lua_toboolean(L, 2);
font->SetAutoOutlineColor(enable);
return 0;
}
int LuaFonts::WrapText(lua_State* L)
{
CglFont* font = tofont(L, 1);
string text(luaL_checkstring(L, 2),lua_strlen(L, 2));
const float maxWidth = luaL_checkfloat(L, 3);
const float maxHeight = luaL_optfloat(L, 4, 1e9);
const float size = luaL_optfloat(L, 5, font->GetSize());
const int lines = font->WrapInPlace(text,size,maxWidth,maxHeight);
lua_pushsstring(L, text);
lua_pushnumber(L, lines);
return 2;
}
int LuaFonts::GetTextWidth(lua_State* L)
{
CglFont* font = tofont(L, 1);
const int args = lua_gettop(L); // number of arguments
if ((args < 2) || !lua_isstring(L, 2)) {
luaL_error(L, "Incorrect arguments to font:GetTextWidth(\"text\")");
}
const string text(lua_tostring(L, 2),lua_strlen(L, 2));
const float width = font->GetTextWidth(text);
lua_pushnumber(L, width);
return 1;
}
int LuaFonts::Print(lua_State* L)
{
CheckDrawingEnabled(L, __FUNCTION__);
const int args = lua_gettop(L); // number of arguments
if ((args < 4) ||
!lua_isstring(L, 2) || !lua_isnumber(L, 3) || !lua_isnumber(L, 4)) {
luaL_error(L,
"Incorrect arguments to font:Print(msg, x, y [,size [,\"options\"] ]");
}
CglFont* font = tofont(L, 1);
const string text(lua_tostring(L, 2),lua_strlen(L, 2));
const float x = lua_tonumber(L, 3);
const float y = lua_tonumber(L, 4);
const float size = luaL_optfloat(L, 5, font->GetSize());
int options = FONT_NEAREST;
if ((args >= 6) && lua_isstring(L, 6)) {
const char* c = lua_tostring(L, 6);
while (*c != 0) {
switch (*c) {
case 'c': { options |= FONT_CENTER; break; }
case 'r': { options |= FONT_RIGHT; break; }
case 'a': { options |= FONT_ASCENDER; break; }
case 't': { options |= FONT_TOP; break; }
case 'v': { options |= FONT_VCENTER; break; }
case 'x': { options |= FONT_BASELINE; break; }
case 'b': { options |= FONT_BOTTOM; break; }
case 'd': { options |= FONT_DESCENDER; break; }
case 's': { options |= FONT_SHADOW; break; }
case 'o':
case 'O': { options |= FONT_OUTLINE; break; }
case 'n': { options ^= FONT_NEAREST; break; }
}
c++;
}
}
font->glPrint(x, y, size, options, text);
return 0;
}
int LuaFonts::GetTextHeight(lua_State* L)
{
CglFont* font = tofont(L, 1);
const int args = lua_gettop(L); // number of arguments
if ((args < 2) || !lua_isstring(L, 2)) {
luaL_error(L, "Incorrect arguments to font:GetTextHeight(\"text\")");
}
const string text(lua_tostring(L, 2),lua_strlen(L, 2));
float descender;
int lines;
const float height = font->GetTextHeight(text,&descender,&lines);
lua_pushnumber(L, height);
lua_pushnumber(L, descender);
lua_pushnumber(L, lines);
return 3;
}
int LuaFonts::WrapText(lua_State* L)
{
CglFont* font = tofont(L, 1);
const int args = lua_gettop(L); // number of arguments
if ((args < 3) || !lua_isstring(L, 2) || !lua_isnumber(L, 3)) {
luaL_error(L, "Incorrect arguments to font:WrapText(\"text\", maxWidth, [maxHeight], [size])");
}
string text(lua_tostring(L, 2),lua_strlen(L, 2));
const float maxWidth = lua_tonumber(L, 3);
const float maxHeight = luaL_optfloat(L, 4, 1e9);
const float size = luaL_optfloat(L, 5, font->GetSize());
const int lines = font->WrapInPlace(text,size,maxWidth,maxHeight);
lua_pushlstring(L, text.c_str(), text.length());
lua_pushnumber(L, lines);
return 2;
}