com.jniwrapper.jawt
Class JAWT_DrawingSurface

java.lang.Object
  com.jniwrapper.Parameter
      com.jniwrapper.Structure
          com.jniwrapper.jawt.JAWT_DrawingSurface

All Implemented Interfaces:

AlignmentAwareParameter, CompositeParameter

public class JAWT_DrawingSurface
extends Structure

JAWT drawing surface structure. Provides functions to access a native drawing context of an AWT component.

Field Summary

Fields inherited from class com.jniwrapper.Parameter

LICENSE_TYPE, V

Method Summary

java.lang.Object	clone()
void	freeDrawingSurfaceInfo(Pointer pDsi) Frees the drawing surface information.
void	getDrawingSurfaceInfo(Pointer pDsi) Reads the native drawing surface information.
int	lock() Locks this drawing surface.
void	unlock() Unlocks this drawing surface.

Methods inherited from class com.jniwrapper.Structure

acceptIOPerformer, addMembers, computeLength, equals, getAlignmentRequirement, getDebugInfo, getFirstMemberSize, getLength, getMember, getMembers, getOffsets, init, init, initFrom, pop, push, read, setDataBuffer, write

Methods inherited from class com.jniwrapper.Parameter

asReturnValue, dataBufferAssigned, getAlignedLength, getDataBuffer, getDataBufferOffset, hashCode, indent, read, read, toByteArray, write

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Method Detail

lock

public int lock()

Locks this drawing surface. A surface should be locked before its information can be accessed. When accessing the surface is done, it should be unlocked using the unlock() method.

Returns:

a bitmask with one or more of the following values:
JAWT.JAWT_LOCK_ERROR - When an error has occurred and the surface cannot be locked.
JAWT.JAWT_LOCK_CLIP_CHANGED - When the clip region has changed.
JAWT.JAWT_LOCK_BOUNDS_CHANGED - When the bounds of the surface has changed.
JAWT.JAWT_LOCK_SURFACE_CHANGED - When the surface itself has changed.

getDrawingSurfaceInfo

public void getDrawingSurfaceInfo(Pointer pDsi)

Reads the native drawing surface information.

Parameters:

pDsi - a pointer to the JAWT_DrawingSurfaceInfo structure initialized with a proper platform-dependent platformInfo structure. The passed structure will be filled with the drawing surface data.

freeDrawingSurfaceInfo

public void freeDrawingSurfaceInfo(Pointer pDsi)

Frees the drawing surface information.

Parameters:

pDsi - a pointer to the JAWT_DrawingSurfaceInfo structure that was previously filled in by the getDrawingSurfaceInfo method.

unlock

public void unlock()

Unlocks this drawing surface.

clone

public java.lang.Object clone()

Overrides:

clone in class Structure