change get_glyph_size() to font_glyphs_to_bufsize(). fixes a bug when font glyph buffer < font header
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27911 a1c6a512-1295-4272-9138-f99709370657
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@ -96,7 +96,7 @@ int skin_font_load(char* font_name, int glyphs)
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if (!glyphs)
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glyphs = GLYPHS_TO_CACHE;
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#ifndef __PCTOOL__
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skin_font_size = glyphs * get_glyph_size(filename);
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skin_font_size = font_glyphs_to_bufsize(filename, glyphs);
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#endif
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if ( !skin_font_size )
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{
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@ -121,7 +121,7 @@ void font_init(void) INIT_ATTR;
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int font_load_remoteui(const char* path);
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#endif
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int font_load(struct font* pf, const char *path);
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int get_glyph_size(const char *path);
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int font_glyphs_to_bufsize(const char *path, int glyphs);
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void font_unload(int font_id);
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struct font* font_get(int font);
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@ -632,10 +632,10 @@ void glyph_cache_save(struct font* pf)
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return;
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}
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int get_glyph_size(const char *path)
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int font_glyphs_to_bufsize(const char *path, int glyphs)
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{
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struct font f;
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int overhead;
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int bufsize;
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char buf[FONT_HEADER_SIZE];
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f.buffer_start = buf;
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@ -656,9 +656,13 @@ int get_glyph_size(const char *path)
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}
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close(f.fd);
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overhead = LRU_SLOT_OVERHEAD + sizeof(struct font_cache_entry) +
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bufsize = LRU_SLOT_OVERHEAD + sizeof(struct font_cache_entry) +
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sizeof( unsigned short);
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return overhead + (f.maxwidth * ((f.height + 7) / 8));
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bufsize += f.maxwidth * ((f.height + 7) / 8);
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bufsize *= glyphs;
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if ( bufsize < FONT_HEADER_SIZE )
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bufsize = FONT_HEADER_SIZE;
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return bufsize;
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}
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static int ushortcmp(const void *a, const void *b)
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