Moved the font stuff into its own file.
authorSteinar H. Gunderson <sesse@samfundet.no>
Sat, 19 Feb 2005 15:03:00 +0000 (15:03 +0000)
committerSteinar H. Gunderson <sesse@samfundet.no>
Sat, 19 Feb 2005 15:03:00 +0000 (15:03 +0000)
bigscreen/Makefile
bigscreen/ccbs_bigscreen.cpp
bigscreen/fonts.cpp [new file with mode: 0644]
bigscreen/fonts.h [new file with mode: 0644]

index 00a8e92..55ba613 100644 (file)
@@ -4,7 +4,7 @@ CPPFLAGS=-I/usr/include/postgresql $(shell freetype-config --cflags) -Itinyptc/
 CXXFLAGS=-g -Wall
 LDFLAGS=-L/usr/X11R6/lib
 LIBS=$(shell freetype-config --libs) $(shell libpq3-config) -lpqxx tinyptc/libtinyptc.a -lX11
-CCBS_BIGSCREEN_OBJS=ccbs_bigscreen.o flagtrigger.o widestring.o fetch_current_tournament.o
+CCBS_BIGSCREEN_OBJS=ccbs_bigscreen.o flagtrigger.o widestring.o fetch_current_tournament.o fonts.o
 
 all: ccbs-bigscreen
 
index 745faa5..c233f47 100644 (file)
@@ -3,17 +3,14 @@
 #include <iconv.h>
 #include <unistd.h>
 #include <pqxx/pqxx>
-#include <ft2build.h>
-#include FT_FREETYPE_H
 #include <tinyptc.h>
 #include "flagtrigger.h"
 #include "widestring.h"
 #include "fetch_current_tournament.h"
-
-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);
+#include "fonts.h"
 
 Tournament active_tournament;
-std::vector<FT_Face> fonts;
+unsigned char framebuf[800 * 600 * 4];
 
 void init(pqxx::connection &conn)
 {
@@ -27,8 +24,6 @@ void init(pqxx::connection &conn)
        }
 }
 
-unsigned char framebuf[800 * 600 * 4];
-
 void main_loop(pqxx::connection &conn)
 {
        if (active_tournament.id == -1) {
@@ -45,7 +40,7 @@ void main_loop(pqxx::connection &conn)
        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);
+               my_draw_text(i["title"].as(widestring()), framebuf, 0, y, 1, 255, 255, 255);
                y += 20;
 //             std::fprintf(stderr, "%s\n", i["title"].c_str());
        }
@@ -55,91 +50,6 @@ void main_loop(pqxx::connection &conn)
        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;
-}
-
-
 int main(int argc, char **argv)
 {
        ptc_open("CCBS bigscreen", 800, 600);
diff --git a/bigscreen/fonts.cpp b/bigscreen/fonts.cpp
new file mode 100644 (file)
index 0000000..b7a4cbd
--- /dev/null
@@ -0,0 +1,89 @@
+#include <vector>
+#include <stdexcept>
+#include "fonts.h"
+
+std::vector<FT_Face> fonts;
+
+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)
+{
+       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 = fonts.begin(); j != fonts.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;
+}
diff --git a/bigscreen/fonts.h b/bigscreen/fonts.h
new file mode 100644 (file)
index 0000000..533e4ff
--- /dev/null
@@ -0,0 +1,12 @@
+#ifndef _FONTS_H
+#define _FONTS_H 1
+
+#include <ft2build.h>
+#include FT_FREETYPE_H
+#include <vector>
+#include "widestring.h"
+
+void init_freetype();
+int my_draw_text(const widestring &str, unsigned char *buf, int xpos, int ypos, bool real_render, int r, int g, int b);
+
+#endif /* !defined(_FONTS_H) */