libjava/classpath/include/jawt.h

   1 /* jawt.h -- the machine-independent parts of the AWT Native Interface
   2    Copyright (C) 2005 Free Software Foundation, Inc.
   3
   4    This file is part of GNU Classpath.
   5
   6    GNU Classpath is free software; you can redistribute it and/or modify
   7    it under the terms of the GNU General Public License as published by
   8    the Free Software Foundation; either version 2, or (at your option)
   9    any later version.
  10
  11    GNU Classpath is distributed in the hope that it will be useful, but
  12    WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    General Public License for more details.
  15
  16    You should have received a copy of the GNU General Public License
  17    along with GNU Classpath; see the file COPYING.  If not, write to the
  18    Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19    02110-1301 USA.
  20
  21    Linking this library statically or dynamically with other modules is
  22    making a combined work based on this library.  Thus, the terms and
  23    conditions of the GNU General Public License cover the whole
  24    combination.
  25
  26    As a special exception, the copyright holders of this library give you
  27    permission to link this library with independent modules to produce an
  28    executable, regardless of the license terms of these independent
  29    modules, and to copy and distribute the resulting executable under
  30    terms of your choice, provided that you also meet, for each linked
  31    independent module, the terms and conditions of the license of that
  32    module.  An independent module is a module which is not derived from
  33    or based on this library.  If you modify this library, you may extend
  34    this exception to your version of the library, but you are not
  35    obligated to do so.  If you do not wish to do so, delete this
  36    exception statement from your version. */
  37
  38
  39 /*
  40  * The AWT Native Interface allows direct access to native screen
  41  * resources from within a Canvas's paint method.
  42  */
  43
  44 #ifndef __jawt_h__
  45 #define __jawt_h__
  46
  47 #ifdef __cplusplus
  48 extern "C"
  49 {
  50 #endif
  51
  52 #define JAWT_VERSION_1_3 0x10003
  53 #define JAWT_VERSION_1_4 0x10004
  54
  55 #define JAWT_LOCK_ERROR 0x1
  56 #define JAWT_LOCK_CLIP_CHANGED 0x2
  57 #define JAWT_LOCK_BOUNDS_CHANGED 0x4
  58 #define JAWT_LOCK_SURFACE_CHANGED 0x8
  59
  60 struct _JAWT_Rectangle
  61 {
  62   jint x;
  63   jint y;
  64   jint width;
  65   jint height;
  66 };
  67
  68 struct _JAWT_DrawingSurfaceInfo
  69 {
  70   void* platformInfo;
  71   struct _JAWT_DrawingSurface *ds;
  72   struct _JAWT_Rectangle bounds;
  73   jint clipSize;
  74   struct _JAWT_Rectangle *clip;
  75 };
  76
  77 struct _JAWT_DrawingSurface
  78 {
  79   JNIEnv* env;
  80   jobject target;
  81   jint (JNICALL* Lock) (struct _JAWT_DrawingSurface*);
  82   struct _JAWT_DrawingSurfaceInfo* (JNICALL* GetDrawingSurfaceInfo) (struct _JAWT_DrawingSurface*);
  83   void (JNICALL* FreeDrawingSurfaceInfo) (struct _JAWT_DrawingSurfaceInfo*);
  84   void (JNICALL* Unlock) (struct _JAWT_DrawingSurface*);
  85 };
  86
  87 struct _JAWT
  88 {
  89   jint version;
  90   struct _JAWT_DrawingSurface* (JNICALL* GetDrawingSurface) (JNIEnv*, jobject);
  91   void (JNICALL* FreeDrawingSurface) (struct _JAWT_DrawingSurface*);
  92   void (JNICALL *Lock) (JNIEnv*);
  93   void (JNICALL *Unlock) (JNIEnv*);
  94   jobject (JNICALL *GetComponent)(JNIEnv*, void*);
  95 };
  96
  97 typedef struct _JAWT_Rectangle JAWT_Rectangle;
  98 typedef struct _JAWT_DrawingSurfaceInfo JAWT_DrawingSurfaceInfo;
  99 typedef struct _JAWT_DrawingSurface JAWT_DrawingSurface;
 100 typedef struct _JAWT JAWT;
 101
 102 JNIEXPORT jboolean JNICALL JAWT_GetAWT (JNIEnv* env, struct _JAWT* awt);
 103
 104 #ifdef __cplusplus
 105 }
 106 #endif
 107
 108 #endif /* __jawt_h__ */