Clean up the my_draw_text() interface considerably, and let us set sizes per-call.

[ccbs] / bigscreen / fonts.cpp

diff --git a/bigscreen/fonts.cpp b/bigscreen/fonts.cpp
index 3e958c7101ddeddfc987fc42a4bf70d3854be03b..e65e3564281ce3f26e7dd6f1924d8f1bb910b32c 100644 (file)
--- a/bigscreen/fonts.cpp
+++ b/bigscreen/fonts.cpp
@@ -14,16 +14,12 @@ void init_freetype()
        // 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);
        }
        
@@ -31,16 +27,19 @@ void init_freetype()
        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);
        }
 }
 
-unsigned my_draw_text(const widestring &str, unsigned char *buf, int xpos, int ypos, bool real_render, int r, int g, int b)
+unsigned my_draw_text(const widestring &str, unsigned char *buf, double size, int xpos, int ypos, int r, int g, int b)
 {
        FT_GlyphSlot slot;
        int x = 0;
+       
+       for (std::vector<FT_Face>::const_iterator i = fonts.begin(); i != fonts.end(); ++i) {
+               if (FT_Set_Char_Size(*i, 0, unsigned(size * 64.0), 96, 96))
+                       throw std::runtime_error("Couldn't set font size");
+       }
 
        for (widestring::const_iterator i = str.begin(); i != str.end(); ++i) {
                int glyph_index;
@@ -59,7 +58,7 @@ unsigned my_draw_text(const widestring &str, unsigned char *buf, int xpos, int y
                        continue;
                }
 
-               if (real_render) {
+               if (buf != NULL) {
                        int y;
                        FT_Bitmap *bm = &(slot->bitmap);
                        for (y = 0; y < bm->rows; y++) {