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JessonYue/Android使用libjpeg实现图片压缩.md

Created January 8, 2018 02:29
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Android使用libjpeg实现图片压缩.md

Android使用libjpeg实现图片压缩

  • android图片压缩的相关知识
  1. Android系统是如何编码压缩保存图片的？
  2. Skia库起到的作用？
  3. libJpeg库起到的作用？
  4. 能不能自己调用Skia或libJpeg？1.Android系统是如何编码压缩保存图片的？
java：
public boolean compress (Bitmap.CompressFormat format, int quality, OutputStream stream)
ndk:
static bool Bitmap_compress(JNIEnv* env, jobject clazz, SkBitmap* bitmap,int format, int quality,object jstream, jbyteArray jstorage)
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