kmpdfkit_demo/lib/widgets/constains.dart

class ChannelNames {
  static const EVENT_READER_VIEW_CALL_BACK = 'event_reader_view_call_back';

  static const EVENT_CPDF_READER_VIEW = 'com.compdfkit.pdf.flutter';
}

///MethodChannel invokeMethod method name
///```dart
///   _methodChannel.invokeMethod(Functions.isCropPageMode);
///```
class Functions {
  static const getScrollDirection = 'getScrollDirection';
  static const setScrollDirection = 'setScrollDirection';
  static const setPageMode = 'setPageMode';
  static const getPageMode = 'getPageMode';
  static const setPageContinue = 'setPageContinue';
  static const getPageContinue = 'getPageContinue';
  static const isCoverPageMode = 'isCoverPageMode';
  static const setCoverPageMode = 'setCoverPageMode';
  static const isCropPageMode = 'isCropPageMode';
  static const setIsCropPageMode = 'setIsCropPageMode';
  static const getAnnotAttribute = 'getAnnotAttribute';
  static const setAnnotAttribute = 'setAnnotAttribute';

}

/// Parameters of functions.
class EventParameters {
  static const eventType = 'eventType';
  static const onTapMainDocArea = 'onTapMainDocArea';
  static const onMoveToChild = 'onMoveToChild';
  static const onScrollEnd = 'onScrollEnd';
  static const onScrolling = 'onScrolling';
  static const onRecordLastJumpPageNum = 'onRecordLastJumpPageNum';
  static const pageIndex = 'pageIndex';
  static const scrollDirection = 'scrollDirection';
  static const isDoublePage = 'isDoublePage';
  static const isContinueMode = 'isContinueMode';
  static const isCoverPageMode = 'isCoverPageMode';
  static const isCropPageMode = 'isCropPageMode';
  static const annotType = 'annotType';
  static const annotAttribute = 'annotAttribute';
  static const annotAttrColor = 'annotAttrColor';
  static const annotAttrAlpha = 'annotAttrAlpha';

}

/// CPDFReaderView scroll direction
class ScrollDirection {
  static const vertical = 'vertical';
  static const horizontal = 'horizontal';
}


enum AnnotType {

  highlight,
  strikeout,
  underline,
  squiggly,

}