replace blt_stretch

inc/blt.h

@@ -100,13 +100,13 @@ void blt_bgra8888_to_rgba8888(
     int src_p);
 
 void blt_stretch(
-    unsigned char* dst_buf,
+    unsigned char* dst,
     int dst_x,
     int dst_y,
     int dst_w,
     int dst_h,
     int dst_p,
-    unsigned char* src_buf,
+    unsigned char* src,
     int src_x,
     int src_y,
     int src_w,

inc/scale_pattern.h

@@ -1,18 +0,0 @@
-#ifndef _SCALE_PATTERN_H
-#define _SCALE_PATTERN_H
-
-typedef enum {
-    REPEAT,
-    SEQUENCE,
-    ONCE,
-    END
-} SCALE_PATTERN_TYPE;
-
-typedef struct {
-    SCALE_PATTERN_TYPE type;
-    int dst_index;
-    int src_index;
-    int count;
-} scale_pattern;
-
-#endif