Android Bitmap 사용시 함수들

Bitmap 

- create

- canvas, draw*, drawPath, drawTextOnPath

- matrix, pre*, set*, post*

- bitmapfactory.option, inPurgeable, inDither, inSampleSize

- eraseColor (Color.TRANSPRENT)

- memory leak, recycle, null

- config

- save, restore

- mask

- paint : setFilterBitmap, setDither, AntiAlias, Style, color, strokeWidth, textAlign, text(FILL,STROKE), line(STROKE,FILL_AND_STROKE)

- path, cubicTo, moveTo, close

- layoutparams