#include <cstdio>
+#include <cstring>
+#include <iconv.h>
#include <unistd.h>
#include <pqxx/pqxx>
-#include "glwindow.h"
+#include <ft2build.h>
+#include FT_FREETYPE_H
+#include <tinyptc.h>
+
+iconv_t ucs4_iconv;
+
+// UCS-4 string
+class widestring : public std::basic_string<unsigned>
+{
+public:
+ void operator= (const char *from)
+ {
+ unsigned bytes = std::strlen(from);
+ char *from_buf = strdup(from);
+ unsigned *to_buf = new unsigned[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 ret = iconv(ucs4_iconv, NULL, NULL, &outptr, &out_left);
+ if (ret == (size_t)(-1)) {
+ throw std::runtime_error("Error in iconv during initialization");
+ }
+
+ ret = iconv(ucs4_iconv, &inptr, &in_left, &outptr, &out_left);
+ if (ret == (size_t)(-1)) {
+ perror("iconv");
+ throw std::runtime_error("Error in iconv during conversion");
+ }
+
+ erase(begin(), end());
+ std::copy(to_buf, reinterpret_cast<unsigned *> (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);
+
+class Tournament {
+public:
+ int id;
+ widestring name;
+};
+
+Tournament active_tournament;
+FT_Face font;
/* A trigger that sets a flag whenever it's trigged. */
class FlagTrigger : pqxx::trigger {
}
};
-class Tournament {
-public:
- int id;
- std::string name;
-};
-
/* A transactor that fetches the current tournament and some information about it. */
class FetchCurrentTournament : public pqxx::transactor<> {
private:
void init(pqxx::connection &conn)
{
- Tournament tourn;
- conn.perform(FetchCurrentTournament(&tourn));
+ conn.perform(FetchCurrentTournament(&active_tournament));
- if (tourn.id == -1) {
+ if (active_tournament.id == -1) {
std::fprintf(stderr, "No active tournament\n");
} else {
std::fprintf(stderr, "Current tournament is %d (name: '%s')\n",
- tourn.id, tourn.name.c_str());
+ 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;
+ }
+
pqxx::work t(conn, "trx");
// fetch all songs
pqxx::result res( t.exec("SELECT * FROM songs") );
+ 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);
+ y += 20;
+ std::fprintf(stderr, "%s\n", i["title"].c_str());
}
t.commit();
-
+
+ ptc_update(framebuf);
sleep(1);
}
+void init_freetype()
+{
+ FT_Library library;
+ if (FT_Init_FreeType(&library))
+ 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 * 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_GlyphSlot slot = face->glyph;
+ int x = 0;
+
+ for (widestring::const_iterator i = str.begin(); i != str.end(); ++i) {
+ int glyph_index = FT_Get_Char_Index(face, *i);
+ if (FT_Load_Glyph(face, glyph_index, FT_LOAD_RENDER))
+ 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;
+}
+
+
int main(int argc, char **argv)
{
- GLWindow glw("CCBS bigscreen", 800, 600, 32, false, 16, -1);
+ ucs4_iconv = iconv_open("ucs-4", "utf-8");
+
+ ptc_open("CCBS bigscreen", 800, 600);
+
try {
+ init_freetype();
pqxx::connection conn("dbname=ccbs host=altersex.samfundet.no user=ccbs password=GeT|>>B_");
FlagTrigger tournament_changed(conn, "active_tournament");
projects / ccbs / blobdiff