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authorKenneth Russel <[email protected]>2003-06-26 13:21:12 +0000
committerKenneth Russel <[email protected]>2003-06-26 13:21:12 +0000
commit0a6e191eaebcc8edc2611dbedab6fd04a615fc2f (patch)
tree7f8a9b8e88a6bc6662827d3f092b943b1ea893fb /make/stub_includes/macosx/jawt.h
parent2b54833bb15d6cae356fa0c5777d11e152d774cb (diff)
Initial Mac OS X port of Jogl by Gerard Ziemski and Kenneth Russell,
subsuming the previous prototype implementation (no GLCanvas support) done by Marc Downie. Added user's guide (HTML format) under doc/userguide/index.html. git-svn-id: file:///usr/local/projects/SUN/JOGL/git-svn/svn-server-sync/jogl/trunk@13 232f8b59-042b-4e1e-8c03-345bb8c30851
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diff --git a/make/stub_includes/macosx/jawt.h b/make/stub_includes/macosx/jawt.h
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-/*
- * @(#)jawt.h 1.8 01/12/03
- *
- * Copyright 2002 Sun Microsystems, Inc. All rights reserved.
- * SUN PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
- */
-
-#ifndef _JAVASOFT_JAWT_H_
-#define _JAVASOFT_JAWT_H_
-
-#include "jni.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-/*
- * AWT native interface (new in JDK 1.3)
- *
- * The AWT native interface allows a native C or C++ application a means
- * by which to access native structures in AWT. This is to facilitate moving
- * legacy C and C++ applications to Java and to target the needs of the
- * community who, at present, wish to do their own native rendering to canvases
- * for performance reasons. Standard extensions such as Java3D also require a
- * means to access the underlying native data structures of AWT.
- *
- * There may be future extensions to this API depending on demand.
- *
- * A VM does not have to implement this API in order to pass the JCK.
- * It is recommended, however, that this API is implemented on VMs that support
- * standard extensions, such as Java3D.
- *
- * Since this is a native API, any program which uses it cannot be considered
- * 100% pure java.
- */
-
-/*
- * AWT Native Drawing Surface (JAWT_DrawingSurface).
- *
- * For each platform, there is a native drawing surface structure. This
- * platform-specific structure can be found in jawt_md.h. It is recommended
- * that additional platforms follow the same model. It is also recommended
- * that VMs on Win32 and Solaris support the existing structures in jawt_md.h.
- *
- *******************
- * EXAMPLE OF USAGE:
- *******************
- *
- * In Win32, a programmer wishes to access the HWND of a canvas to perform
- * native rendering into it. The programmer has declared the paint() method
- * for their canvas subclass to be native:
- *
- *
- * MyCanvas.java:
- *
- * import java.awt.*;
- *
- * public class MyCanvas extends Canvas {
- *
- * static {
- * System.loadLibrary("mylib");
- * }
- *
- * public native void paint(Graphics g);
- * }
- *
- *
- * myfile.c:
- *
- * #include "jawt_md.h"
- * #include <assert.h>
- *
- * JNIEXPORT void JNICALL
- * Java_MyCanvas_paint(JNIEnv* env, jobject canvas, jobject graphics)
- * {
- * JAWT awt;
- * JAWT_DrawingSurface* ds;
- * JAWT_DrawingSurfaceInfo* dsi;
- * JAWT_Win32DrawingSurfaceInfo* dsi_win;
- * jboolean result;
- * jint lock;
- *
- * // Get the AWT
- * awt.version = JAWT_VERSION_1_3;
- * result = JAWT_GetAWT(env, &awt);
- * assert(result != JNI_FALSE);
- *
- * // Get the drawing surface
- * ds = awt.GetDrawingSurface(env, canvas);
- * assert(ds != NULL);
- *
- * // Lock the drawing surface
- * lock = ds->Lock(ds);
- * assert((lock & JAWT_LOCK_ERROR) == 0);
- *
- * // Get the drawing surface info
- * dsi = ds->GetDrawingSurfaceInfo(ds);
- *
- * // Get the platform-specific drawing info
- * dsi_win = (JAWT_Win32DrawingSurfaceInfo*)dsi->platformInfo;
- *
- * //////////////////////////////
- * // !!! DO PAINTING HERE !!! //
- * //////////////////////////////
- *
- * // Free the drawing surface info
- * ds->FreeDrawingSurfaceInfo(dsi);
- *
- * // Unlock the drawing surface
- * ds->Unlock(ds);
- *
- * // Free the drawing surface
- * awt.FreeDrawingSurface(ds);
- * }
- *
- */
-
-/*
- * JAWT_Rectangle
- * Structure for a native rectangle.
- */
-typedef struct jawt_Rectangle {
- jint x;
- jint y;
- jint width;
- jint height;
-} JAWT_Rectangle;
-
-struct jawt_DrawingSurface;
-
-/*
- * JAWT_DrawingSurfaceInfo
- * Structure for containing the underlying drawing information of a component.
- */
-typedef struct jawt_DrawingSurfaceInfo {
- /*
- * Pointer to the platform-specific information. This can be safely
- * cast to a JAWT_Win32DrawingSurfaceInfo on Windows or a
- * JAWT_X11DrawingSurfaceInfo on Solaris. See jawt_md.h for details.
- */
- void* platformInfo;
- /* Cached pointer to the underlying drawing surface */
- struct jawt_DrawingSurface* ds;
- /* Bounding rectangle of the drawing surface */
- JAWT_Rectangle bounds;
- /* Number of rectangles in the clip */
- jint clipSize;
- /* Clip rectangle array */
- JAWT_Rectangle* clip;
-} JAWT_DrawingSurfaceInfo;
-
-#define JAWT_LOCK_ERROR 0x00000001
-#define JAWT_LOCK_CLIP_CHANGED 0x00000002
-#define JAWT_LOCK_BOUNDS_CHANGED 0x00000004
-#define JAWT_LOCK_SURFACE_CHANGED 0x00000008
-
-/*
- * JAWT_DrawingSurface
- * Structure for containing the underlying drawing information of a component.
- * All operations on a JAWT_DrawingSurface MUST be performed from the same
- * thread as the call to GetDrawingSurface.
- */
-typedef struct jawt_DrawingSurface {
- /*
- * Cached reference to the Java environment of the calling thread.
- * If Lock(), Unlock(), GetDrawingSurfaceInfo() or
- * FreeDrawingSurfaceInfo() are called from a different thread,
- * this data member should be set before calling those functions.
- */
- JNIEnv* env;
- /* Cached reference to the target object */
- jobject target;
- /*
- * Lock the surface of the target component for native rendering.
- * When finished drawing, the surface must be unlocked with
- * Unlock(). This function returns a bitmask with one or more of the
- * following values:
- *
- * JAWT_LOCK_ERROR - When an error has occurred and the surface could not
- * be locked.
- *
- * JAWT_LOCK_CLIP_CHANGED - When the clip region has changed.
- *
- * JAWT_LOCK_BOUNDS_CHANGED - When the bounds of the surface have changed.
- *
- * JAWT_LOCK_SURFACE_CHANGED - When the surface itself has changed
- */
- jint (JNICALL *Lock)
- (struct jawt_DrawingSurface* ds);
- /*
- * Get the drawing surface info.
- * The value returned may be cached, but the values may change if
- * additional calls to Lock() or Unlock() are made.
- * Lock() must be called before this can return a valid value.
- * Returns NULL if an error has occurred.
- * When finished with the returned value, FreeDrawingSurfaceInfo must be
- * called.
- */
- JAWT_DrawingSurfaceInfo* (JNICALL *GetDrawingSurfaceInfo)
- (struct jawt_DrawingSurface* ds);
- /*
- * Free the drawing surface info.
- */
- void (JNICALL *FreeDrawingSurfaceInfo)
- (JAWT_DrawingSurfaceInfo* dsi);
- /*
- * Unlock the drawing surface of the target component for native rendering.
- */
- void (JNICALL *Unlock)
- (struct jawt_DrawingSurface* ds);
-} JAWT_DrawingSurface;
-
-/*
- * JAWT
- * Structure for containing native AWT functions.
- */
-typedef struct jawt {
- /*
- * Version of this structure. This must always be set before
- * calling JAWT_GetAWT()
- */
- jint version;
- /*
- * Return a drawing surface from a target jobject. This value
- * may be cached.
- * Returns NULL if an error has occurred.
- * Target must be a java.awt.Component (should be a Canvas
- * or Window for native rendering).
- * FreeDrawingSurface() must be called when finished with the
- * returned JAWT_DrawingSurface.
- */
- JAWT_DrawingSurface* (JNICALL *GetDrawingSurface)
- (JNIEnv* env, jobject target);
- /*
- * Free the drawing surface allocated in GetDrawingSurface.
- */
- void (JNICALL *FreeDrawingSurface)
- (JAWT_DrawingSurface* ds);
- /*
- * Since 1.4
- * Locks the entire AWT for synchronization purposes
- */
- void (JNICALL *Lock)(JNIEnv* env);
- /*
- * Since 1.4
- * Unlocks the entire AWT for synchronization purposes
- */
- void (JNICALL *Unlock)(JNIEnv* env);
- /*
- * Since 1.4
- * Returns a reference to a java.awt.Component from a native
- * platform handle. On Windows, this corresponds to an HWND;
- * on Solaris and Linux, this is a Drawable. For other platforms,
- * see the appropriate machine-dependent header file for a description.
- * The reference returned by this function is a local
- * reference that is only valid in this environment.
- * This function returns a NULL reference if no component could be
- * found with matching platform information.
- */
- jobject (JNICALL *GetComponent)(JNIEnv* env, void* platformInfo);
-
-} JAWT;
-
-/*
- * Get the AWT native structure. This function returns JNI_FALSE if
- * an error occurs.
- */
-_JNI_IMPORT_OR_EXPORT_
-jboolean JNICALL JAWT_GetAWT(JNIEnv* env, JAWT* awt);
-
-#define JAWT_VERSION_1_3 0x00010003
-#define JAWT_VERSION_1_4 0x00010004
-
-#ifdef __cplusplus
-} /* extern "C" */
-#endif
-
-#endif /* !_JAVASOFT_JAWT_H_ */