+/* A transactor that fetches the current tournament and some information about it. */
+class FetchCurrentTournament : public pqxx::transactor<> {
+private:
+ Tournament *tourn;
+
+public:
+ FetchCurrentTournament(Tournament *tourn) : tourn(tourn) {}
+ void operator() (pqxx::transaction<> &t)
+ {
+ pqxx::result res( t.exec("SELECT * FROM bigscreen.active_tournament NATURAL JOIN tournaments") );
+ try {
+ pqxx::result::tuple tournament = res.at(0);
+
+ tourn->id = tournament["tournament"].as(tourn->id);
+ tourn->name = tournament["tournamentname"].as(tourn->name);
+ } catch (PGSTD::out_of_range &e) {
+ tourn->id = -1;
+ tourn->name = "";
+ }
+ }
+};
+
+void init(pqxx::connection &conn)
+{
+ conn.perform(FetchCurrentTournament(&active_tournament));
+
+ if (active_tournament.id == -1) {
+ std::fprintf(stderr, "No active tournament\n");
+ } else {
+ std::fprintf(stderr, "Current tournament is %d (name: '%s')\n",
+ active_tournament.id, active_tournament.name.c_str());
+ }
+}
+
+unsigned char framebuf[800 * 600 * 4];
+
+void main_loop(pqxx::connection &conn)
+{
+ if (active_tournament.id == -1) {
+ // No active tournament, sleep a second or so and exit
+ 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 WHERE title LIKE 'M%'") );
+ unsigned y = 0;
+ for (pqxx::result::const_iterator i = res.begin(); i != res.end(); ++i) {
+ my_draw_text(i["title"].as(widestring()), framebuf, 0, y, 1, 255, 255, 255, fonts);
+ y += 20;
+// std::fprintf(stderr, "%s\n", i["title"].c_str());
+ }
+ t.commit();
+
+ ptc_update(framebuf);
+ sleep(1);
+}
+
+void init_freetype()
+{
+ FT_Library library;
+ FT_Face face;
+ if (FT_Init_FreeType(&library))
+ throw std::runtime_error("FreeType init failed.");
+
+ // Georgia
+ if (FT_New_Face(library, "/usr/share/fonts/truetype/msttcorefonts/Georgia.ttf", 0, &face))
+ throw std::runtime_error("Face opening failed.");
+ if (FT_Set_Char_Size(face, 0, 12 * 64, 96, 96))
+ throw std::runtime_error("Size set failed.");
+ fonts.push_back(face);
+
+ // FreeSerif
+ if (FT_New_Face(library, "/usr/share/fonts/truetype/freefont/FreeSerif.ttf", 0, &face)) {
+ std::fprintf(stderr, "Warning: Couldn't open FreeSerif, some glyphs might not be available\n");
+ } else {
+ if (FT_Set_Char_Size(face, 0, 12 * 64, 96, 96))
+ throw std::runtime_error("Size set failed.");
+ fonts.push_back(face);
+ }
+
+ // Arial Unicode MS
+ if (FT_New_Face(library, "arialuni.ttf", 0, &face)) {
+ std::fprintf(stderr, "Warning: Couldn't open Arial Unicode MS, some glyphs might not be available\n");
+ } else {
+ if (FT_Set_Char_Size(face, 0, 12 * 64, 96, 96))
+ throw std::runtime_error("Size set failed.");
+ fonts.push_back(face);
+ }
+}
+
+int my_draw_text(const widestring &str, unsigned char *buf, int xpos, int ypos, bool real_render, int r, int g, int b, std::vector<FT_Face> &fontlist)
+{
+ FT_GlyphSlot slot;
+ int x = 0;
+
+ for (widestring::const_iterator i = str.begin(); i != str.end(); ++i) {
+ int glyph_index;
+ for (std::vector<FT_Face>::const_iterator j = fontlist.begin(); j != fontlist.end(); ++j) {
+ glyph_index = FT_Get_Char_Index(*j, *i);
+ if (glyph_index == 0)
+ continue;
+
+ if (FT_Load_Glyph(*j, glyph_index, FT_LOAD_RENDER))
+ throw std::runtime_error("Couldn't load glyph");
+ slot = (*j)->glyph;
+ break;
+ }
+ if (glyph_index == 0) {
+ std::fprintf(stderr, "Warning: Could not find a glyph in any font for U+%x, ignoring\n", *i);
+ continue;
+ }
+
+ 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;
+}
+
+