refactor: static'fy functions only used in one file

3 files changed, 29 insertions, 32 deletions

diff --git a/libass/ass_bitmap.c b/libass/ass_bitmap.c
index b11fcfa..191eeaa 100644
--- a/libass/ass_bitmap.c
+++ b/libass/ass_bitmap.c
@@ -58,6 +58,34 @@
 
 #endif
 
+static void be_blur_pre(uint8_t *buf, intptr_t stride, intptr_t width, intptr_t height)
+{
+    for (int y = 0; y < height; ++y)
+    {
+        for (int x = 0; x < width; ++x)
+        {
+            // This is equivalent to (value * 64 + 127) / 255 for all
+            // values from 0 to 256 inclusive. Assist vectorizing
+            // compilers by noting that all temporaries fit in 8 bits.
+            buf[y * stride + x] =
+                (uint8_t) ((buf[y * stride + x] >> 1) + 1) >> 1;
+        }
+    }
+}
+
+static void be_blur_post(uint8_t *buf, intptr_t stride, intptr_t width, intptr_t height)
+{
+    for (int y = 0; y < height; ++y)
+    {
+        for (int x = 0; x < width; ++x)
+        {
+            // This is equivalent to (value * 255 + 32) / 64 for all values
+            // from 0 to 96 inclusive, and we only care about 0 to 64.
+            uint8_t value = buf[y * stride + x];
+            buf[y * stride + x] = (value << 2) - (value > 32);
+        }
+    }
+}
 
 void ass_synth_blur(const BitmapEngine *engine, Bitmap *bm,
                     int be, double blur_r2)
@@ -319,35 +347,6 @@ void ass_be_blur_c(uint8_t *buf, intptr_t stride,
     }
 }
 
-void be_blur_pre(uint8_t *buf, intptr_t stride, intptr_t width, intptr_t height)
-{
-    for (int y = 0; y < height; ++y)
-    {
-        for (int x = 0; x < width; ++x)
-        {
-            // This is equivalent to (value * 64 + 127) / 255 for all
-            // values from 0 to 256 inclusive. Assist vectorizing
-            // compilers by noting that all temporaries fit in 8 bits.
-            buf[y * stride + x] =
-                (uint8_t) ((buf[y * stride + x] >> 1) + 1) >> 1;
-        }
-    }
-}
-
-void be_blur_post(uint8_t *buf, intptr_t stride, intptr_t width, intptr_t height)
-{
-    for (int y = 0; y < height; ++y)
-    {
-        for (int x = 0; x < width; ++x)
-        {
-            // This is equivalent to (value * 255 + 32) / 64 for all values
-            // from 0 to 96 inclusive, and we only care about 0 to 64.
-            uint8_t value = buf[y * stride + x];
-            buf[y * stride + x] = (value << 2) - (value > 32);
-        }
-    }
-}
-
 /*
  * To find these values, simulate blur on the border between two
  * half-planes, one zero-filled (background) and the other filled
diff --git a/libass/ass_bitmap.h b/libass/ass_bitmap.h
index 1a17fd5..37da2bc 100644
--- a/libass/ass_bitmap.h
+++ b/libass/ass_bitmap.h
@@ -109,8 +109,6 @@ void ass_synth_blur(const BitmapEngine *engine, Bitmap *bm,
                     int be, double blur_r2);
 
 int be_padding(int be);
-void be_blur_pre(uint8_t *buf, intptr_t stride, intptr_t width, intptr_t height);
-void be_blur_post(uint8_t *buf, intptr_t stride, intptr_t width, intptr_t height);
 bool ass_gaussian_blur(const BitmapEngine *engine, Bitmap *bm, double r2);
 void shift_bitmap(Bitmap *bm, int shift_x, int shift_y);
 void fix_outline(Bitmap *bm_g, Bitmap *bm_o);
diff --git a/libass/ass_shaper.c b/libass/ass_shaper.c
index 44f8e7b..a7cec8c 100644
--- a/libass/ass_shaper.c
+++ b/libass/ass_shaper.c
@@ -221,7 +221,7 @@ static void update_hb_size(hb_font_t *hb_font, FT_Face face)
  *
  */
 
-FT_Glyph_Metrics *
+static FT_Glyph_Metrics *
 get_cached_metrics(struct ass_shaper_metrics_data *metrics,
                    hb_codepoint_t unicode, hb_codepoint_t glyph)
 {