add scaledimagecache

include/config/SkUserConfig.h

 
 /*
  * Copyright 2006 The Android Open Source Project
  *
  * Use of this source code is governed by a BSD-style license that can be
  * found in the LICENSE file.
  */
 
 
 #ifndef SkUserConfig_DEFINED
@@ skipping 104 matching lines @@
     this to something other than printf, define yours here
  */
 //#define SkDebugf(...)  MyFunction(__VA_ARGS__)
 
 /*
  *  To specify a different default font cache limit, define this. If this is
  *  undefined, skia will use a built-in value.
  */
 //#define SK_DEFAULT_FONT_CACHE_LIMIT   (1024 * 1024)
 
+/*
+ *  To specify the default size of the image cache, undefine this and set it to
+ *  the desired value (in bytes). SkGraphics.h as a runtime API to set this
+ *  value as well. If this is undefined, a built-in value will be used.
+ */
+//#define SK_DEFAULT_IMAGE_CACHE_LIMIT (1024 * 1024)
+
 /* If defined, use CoreText instead of ATSUI on OS X.
 */
 //#define SK_USE_MAC_CORE_TEXT
 
 
 /*  If zlib is available and you want to support the flate compression
     algorithm (used in PDF generation), define SK_ZLIB_INCLUDE to be the
     include path. Alternatively, define SK_SYSTEM_ZLIB to use the system zlib
     library specified as "#include <zlib.h>".
  */
@@ skipping 60 matching lines @@
 /* Determines whether to build code that supports the GPU backend. Some classes
    that are not GPU-specific, such as SkShader subclasses, have optional code
    that is used allows them to interact with the GPU backend. If you'd like to
    omit this code set SK_SUPPORT_GPU to 0. This also allows you to omit the gpu
    directories from your include search path when you're not building the GPU
    backend. Defaults to 1 (build the GPU code).
  */
 //#define SK_SUPPORT_GPU 1
 
 #endif