X-Git-Url: https://git.sesse.net/?p=ccbs;a=blobdiff_plain;f=bigscreen%2Fccbs_bigscreen.cpp;h=b6bf216ac3887f5ab71250faedd1ca3b751d00e8;hp=17b71df61154d8364861df88db16910cc47ccf3a;hb=efda4ad2ce5903026399e0929cb0e78ec4f23b83;hpb=821e8e0386189b6eebb50b7d20a27cb35a0546e9 diff --git a/bigscreen/ccbs_bigscreen.cpp b/bigscreen/ccbs_bigscreen.cpp index 17b71df..b6bf216 100644 --- a/bigscreen/ccbs_bigscreen.cpp +++ b/bigscreen/ccbs_bigscreen.cpp @@ -3,7 +3,9 @@ #include #include #include -#include "glwindow.h" +#include +#include FT_FREETYPE_H +#include iconv_t ucs4_iconv; @@ -74,6 +76,8 @@ void pqxx::from_string(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; @@ -81,6 +85,7 @@ public: }; Tournament active_tournament; +FT_Face font; /* A trigger that sets a flag whenever it's trigged. */ class FlagTrigger : pqxx::trigger { @@ -143,6 +148,8 @@ void init(pqxx::connection &conn) } } +unsigned char framebuf[800 * 600 * 4]; + void main_loop(pqxx::connection &conn) { if (active_tournament.id == -1) { @@ -155,20 +162,77 @@ void main_loop(pqxx::connection &conn) // 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) { + 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) { ucs4_iconv = iconv_open("ucs-4", "utf-8"); - GLWindow glw("CCBS bigscreen", 800, 600, 32, false, 16, -1); + 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");