2014/10/15 下午 10:11:20

iphone Programming Glossary: mcontext

Can I edit the pixels of the UIImage's property CGImage

http://stackoverflow.com/questions/1281210/can-i-edit-the-pixels-of-the-uiimages-property-cgimage

... ... CGContextDrawImage m_Context rect srcImage.CGImage m_Bits unsigned char CGBitmapContextGetData mContext void postProcess CGContextRelease m_Context free m_Bits UIImage doProcess CGPoint pt just a example unsigned char ppxl m_Bits.. CGPoint pt just a example unsigned char ppxl m_Bits ... do something... CGImageRef imRef CGBitmapContextCreateImage mContext return UIImage imageWithCGImage imRef And preProcess and postProcess are called just once. iphone cocoa cocoa touch uikit..

Custom ProgressBar widget

http://stackoverflow.com/questions/3841231/custom-progressbar-widget

class SliderFrameLayout extends FrameLayout implements OnSeekBarChangeListener private SeekBar mSlider private Context mContext private int mSize 3 private TextView mTextViews private String mTexts Nafta Gas Gasoil public SliderFrameLayout Context.. private String mTexts Nafta Gas Gasoil public SliderFrameLayout Context context AttributeSet attrs super context attrs mContext context setWillNotDraw false mTextViews new TextView mSize addSlider addTextViews private void addTextViews for int i 0.. new TextView mSize addSlider addTextViews private void addTextViews for int i 0 i mSize i TextView tv tv new TextView mContext tv.setLayoutParams new LayoutParams LayoutParams.WRAP_CONTENT LayoutParams.WRAP_CONTENT tv.setText mTexts i mTextViews..