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-rw-r--r--firmware/drivers/lcd-bitmap-common.c2
-rw-r--r--firmware/export/font.h1
-rw-r--r--firmware/font.c10
3 files changed, 13 insertions, 0 deletions
diff --git a/firmware/drivers/lcd-bitmap-common.c b/firmware/drivers/lcd-bitmap-common.c
index 8d95825858..fb49deb76b 100644
--- a/firmware/drivers/lcd-bitmap-common.c
+++ b/firmware/drivers/lcd-bitmap-common.c
@@ -101,6 +101,7 @@ void LCDFN(fill_viewport)(void)
static void LCDFN(putsxyofs)(int x, int y, int ofs, const unsigned char *str)
{
unsigned short *ucs;
+ font_lock(current_vp->font, true);
struct font* pf = font_get(current_vp->font);
int vp_flags = current_vp->flags;
int rtl_next_non_diac_width, last_non_diacritic_width;
@@ -233,6 +234,7 @@ static void LCDFN(putsxyofs)(int x, int y, int ofs, const unsigned char *str)
}
}
}
+ font_lock(current_vp->font, false);
}
/* put a string at a given pixel position */
diff --git a/firmware/export/font.h b/firmware/export/font.h
index 02476c17ff..914d3aa2ff 100644
--- a/firmware/export/font.h
+++ b/firmware/export/font.h
@@ -123,6 +123,7 @@ int font_load_ex(const char *path, size_t buffer_size);
int font_glyphs_to_bufsize(const char *path, int glyphs);
void font_unload(int font_id);
void font_unload_all(void);
+void font_lock(int font_id, bool lock);
struct font* font_get(int font);
diff --git a/firmware/font.c b/firmware/font.c
index 943f2e2d06..6a9a68357f 100644
--- a/firmware/font.c
+++ b/firmware/font.c
@@ -124,6 +124,14 @@ static void lock_font_handle(int handle, bool lock)
alloc->handle_locks--;
}
+void font_lock(int font_id, bool lock)
+{
+ if( font_id == FONT_SYSFIXED )
+ return;
+ if( buflib_allocations[font_id] >= 0 )
+ lock_font_handle(buflib_allocations[font_id], lock);
+}
+
static struct buflib_callbacks buflibops = {buflibmove_callback, NULL };
static inline struct font *pf_from_handle(int handle)
@@ -1007,6 +1015,7 @@ int font_getstringsize(const unsigned char *str, int *w, int *h, int fontnumber)
unsigned short ch;
int width = 0;
+ font_lock( fontnumber, true );
for (str = utf8decode(str, &ch); ch != 0 ; str = utf8decode(str, &ch))
{
if (is_diacritic(ch, NULL))
@@ -1019,6 +1028,7 @@ int font_getstringsize(const unsigned char *str, int *w, int *h, int fontnumber)
*w = width;
if ( h )
*h = pf->height;
+ font_lock( fontnumber, false );
return width;
}