iconv_t ucs4_iconv;
-// UCS-4 string
-class widestring : public std::basic_string<unsigned>
+// UCS-4 string with support for getting from UTF-8
+class widestring : public std::wstring
{
public:
void operator= (const char *from)
{
unsigned bytes = std::strlen(from);
char *from_buf = strdup(from);
- unsigned *to_buf = new unsigned[bytes + 1];
+ wchar_t *to_buf = new wchar_t[bytes + 1];
char *inptr = from_buf, *outptr = reinterpret_cast<char *> (to_buf);
size_t in_left = bytes;
- size_t out_left = bytes * sizeof(unsigned);
+ size_t out_left = bytes * sizeof(wchar_t);
size_t ret = iconv(ucs4_iconv, NULL, NULL, &outptr, &out_left);
if (ret == (size_t)(-1)) {
}
erase(begin(), end());
- std::copy(to_buf, reinterpret_cast<unsigned *> (outptr), std::back_inserter(*this));
+ std::copy(to_buf, reinterpret_cast<wchar_t *> (outptr), std::back_inserter(*this));
free(from_buf);
delete[] to_buf;
}
};
-template<>
-void std::char_traits<unsigned>::assign(unsigned &to, unsigned const &from)
-{
- to = from;
-}
-
-template<>
-unsigned *std::char_traits<unsigned>::copy(unsigned *to, unsigned const *from, unsigned n)
-{
- return static_cast<unsigned *>(memcpy(to, from, n * sizeof(unsigned)));
-}
-
-template<>
-unsigned *std::char_traits<unsigned>::move(unsigned *to, unsigned const *from, unsigned n)
-{
- return static_cast<unsigned *>(memmove(to, from, n * sizeof(unsigned)));
-}
-
-template<>
-unsigned *std::char_traits<unsigned>::assign(unsigned *to, size_t n, unsigned a)
-{
- for (unsigned i = 0; i < n; ++i)
- *to++ = a;
- return to;
-}
-
-
template<>
void pqxx::from_string<widestring>(const char *from, widestring &to)
{
to = from;
}
+int my_draw_text(const widestring &str, unsigned char *buf, int xpos, int ypos, bool real_render, int r, int g, int b, FT_Face face, FT_Face symbolface);
+
class Tournament {
public:
int id;
};
Tournament active_tournament;
-FT_Face font;
+FT_Face font, symbolfont;
/* A trigger that sets a flag whenever it's trigged. */
class FlagTrigger : pqxx::trigger {
}
}
+unsigned char framebuf[800 * 600 * 4];
+
void main_loop(pqxx::connection &conn)
{
if (active_tournament.id == -1) {
sleep(1);
return;
}
+
+ memset(framebuf, 0, 800*600*4);
pqxx::work t(conn, "trx");
// fetch all songs
- pqxx::result res( t.exec("SELECT * FROM songs") );
+ pqxx::result res( t.exec("SELECT * FROM songs WHERE title LIKE 'M%'") );
+ unsigned y = 0;
for (pqxx::result::const_iterator i = res.begin(); i != res.end(); ++i) {
- std::fprintf(stderr, "%s\n", i["title"].c_str());
+ my_draw_text(i["title"].as(widestring()), framebuf, 0, y, 1, 255, 255, 255, font, symbolfont);
+ y += 20;
+// std::fprintf(stderr, "%s\n", i["title"].c_str());
}
t.commit();
-
+
+ ptc_update(framebuf);
sleep(1);
}
throw std::logic_error("FreeType init failed.");
if (FT_New_Face(library, "/usr/share/fonts/truetype/msttcorefonts/Georgia.ttf", 0, &font))
throw std::logic_error("Face opening failed.");
- if (FT_Set_Char_Size(font, 0, 12, 96, 96))
+ if (FT_New_Face(library, "/usr/share/fonts/truetype/freefont/FreeSerif.ttf", 0, &symbolfont))
+ throw std::logic_error("Face opening failed.");
+ if (FT_Set_Char_Size(font, 0, 12 * 64, 96, 96))
+ throw std::logic_error("Size set failed.");
+ if (FT_Set_Char_Size(symbolfont, 0, 12 * 64, 96, 96))
throw std::logic_error("Size set failed.");
}
+int my_draw_text(const widestring &str, unsigned char *buf, int xpos, int ypos, bool real_render, int r, int g, int b, FT_Face face, FT_Face symbolface)
+{
+ FT_GlyphSlot slot;
+ int x = 0;
+
+ for (widestring::const_iterator i = str.begin(); i != str.end(); ++i) {
+ // try the normal font first, fall back if there's some special character
+ int glyph_index = FT_Get_Char_Index(face, *i);
+ if (glyph_index == 0) {
+ std::fprintf(stderr, "Couldn't find U+%x in primary face, falling back to symbol face\n",
+ *i);
+ glyph_index = FT_Get_Char_Index(symbolface, *i);
+ if (glyph_index == 0) {
+ std::fprintf(stderr, "Couldn't find U+%x in symbol face, ignoring\n", *i);
+ continue;
+ }
+ if (FT_Load_Glyph(symbolface, glyph_index, FT_LOAD_RENDER))
+ throw std::runtime_error("Couldn't load glyph from symbol face");
+ slot = symbolface->glyph;
+ } else {
+ if (FT_Load_Glyph(face, glyph_index, FT_LOAD_RENDER))
+ throw std::runtime_error("Couldn't load glyph from primary face");
+ slot = face->glyph;
+ }
+
+ if (real_render) {
+ int y;
+ FT_Bitmap *bm = &(slot->bitmap);
+ for (y = 0; y < bm->rows; y++) {
+ int xx;
+ int dsty = ypos - slot->bitmap_top + y;
+ if (dsty < 0 || dsty > 599) continue;
+
+ unsigned char *dst = buf + dsty * 800*4 + (x + xpos + slot->bitmap_left)*4;
+ unsigned char *src = bm->buffer + y * bm->width;
+ for (xx = 0; xx < bm->width; xx++) {
+ *dst = (*dst * (256-*src) + r * *src) >> 8;
+ *dst++;
+ *dst = (*dst * (256-*src) + g * *src) >> 8;
+ *dst++;
+ *dst = (*dst * (256-*src) + b * *src) >> 8;
+ *dst++;
+ *dst++ = 0;
+ src++;
+ }
+ }
+ }
+
+ x += slot->advance.x >> 6;
+ }
+
+ return x;
+}
+
+
int main(int argc, char **argv)
{
- ucs4_iconv = iconv_open("ucs-4", "utf-8");
+ ucs4_iconv = iconv_open("ucs-4le", "utf-8"); // FIXME: will be broken for big endian!
ptc_open("CCBS bigscreen", 800, 600);