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#define _GNU_SOURCE //vasprintf
#include <iostream>
#include <cstdarg>
#include <cassert>
#include <SFML/Graphics.hpp>
#include "global.h"
#include "library.h"
using namespace std;
static const Font *currentFont=nullptr;
static sf::Text sharedSfText;
class Init{
public:
Init(){
sharedSfText.setFillColor(sf::Color::Black);
sharedSfText.setCharacterSize(14);
}
} init_object;
static void draw_text(int x,int y,const char *s,size_t len){
if(currentFont!=nullptr){
sharedSfText.setFont(currentFont->sf_font);
}
sharedSfText.setString(string(s,len));
sharedSfText.setPosition(x,y);
window.draw(sharedSfText);
}
void draw_text(int x,int y,const char *s){
draw_text(x,y,s,strlen(s));
}
__attribute__((format (printf, 3, 4)))
void draw_textf(int x,int y,const char *format,...){
va_list ap;
va_start(ap,format);
char *buf;
int len=vasprintf(&buf,format,ap);
va_end(ap);
assert(len>=0);
draw_text(x,y,buf,len);
free(buf);
}
void draw_set_font(const Font *font){
currentFont=font;
}
static void log(const char *buf,size_t len){
cerr<<"[LOG] ";
cerr.write(buf,len);
cerr<<endl;
}
void log(const char *s){
log(s,strlen(s));
}
__attribute__((format (printf, 1, 2)))
void logf(const char *format,...){
va_list ap;
va_start(ap,format);
char *buf;
int len=vasprintf(&buf,format,ap);
va_end(ap);
assert(len>=0);
log(buf,len);
free(buf);
}
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