2005-02-14 22:08:08 +01:00
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/* jawt.c -- X11 implementation of the AWT Native Interface
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Copyright (C) 2005 Free Software Foundation, Inc.
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This file is part of GNU Classpath.
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GNU Classpath is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2, or (at your option)
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any later version.
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2005-03-05 08:47:58 +01:00
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2005-02-14 22:08:08 +01:00
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GNU Classpath is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with GNU Classpath; see the file COPYING. If not, write to the
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2005-06-30 05:22:09 +02:00
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Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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02110-1301 USA.
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2005-02-14 22:08:08 +01:00
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Linking this library statically or dynamically with other modules is
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making a combined work based on this library. Thus, the terms and
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conditions of the GNU General Public License cover the whole
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combination.
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As a special exception, the copyright holders of this library give you
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permission to link this library with independent modules to produce an
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executable, regardless of the license terms of these independent
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modules, and to copy and distribute the resulting executable under
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terms of your choice, provided that you also meet, for each linked
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independent module, the terms and conditions of the license of that
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module. An independent module is a module which is not derived from
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or based on this library. If you modify this library, you may extend
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this exception to your version of the library, but you are not
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obligated to do so. If you do not wish to do so, delete this
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exception statement from your version. */
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2005-03-05 08:47:58 +01:00
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#include <stdlib.h>
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2005-02-14 22:08:08 +01:00
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#include <jni.h>
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#include <jawt.h>
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#include <jawt_md.h>
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#include "classpath_jawt.h"
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static jint (JNICALL _Jv_Lock) (JAWT_DrawingSurface* surface);
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static void (JNICALL _Jv_Unlock) (JAWT_DrawingSurface* surface);
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static JAWT_DrawingSurfaceInfo* (JNICALL _Jv_GetDrawingSurfaceInfo)
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(JAWT_DrawingSurface* surface);
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static void (JNICALL _Jv_FreeDrawingSurfaceInfo)
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(JAWT_DrawingSurfaceInfo* surface_info);
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static JAWT_DrawingSurface* (JNICALL _Jv_GetDrawingSurface) (JNIEnv* env,
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jobject canvas);
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static void (JNICALL _Jv_FreeDrawingSurface) (JAWT_DrawingSurface* surface);
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2005-03-05 22:47:10 +01:00
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static void (JNICALL _Jv_AWTLock) (JNIEnv*);
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static void (JNICALL _Jv_AWTUnlock) (JNIEnv*);
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JNIEXPORT jboolean JNICALL
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JAWT_GetAWT (JNIEnv* env, JAWT* awt)
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{
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jint retrieved_version;
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retrieved_version = classpath_jawt_get_awt_version ();
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if (awt->version > retrieved_version)
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return JNI_FALSE;
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awt->GetDrawingSurface = _Jv_GetDrawingSurface;
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awt->FreeDrawingSurface = _Jv_FreeDrawingSurface;
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2005-03-05 22:47:10 +01:00
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awt->Lock = _Jv_AWTLock;
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awt->Unlock = _Jv_AWTUnlock;
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2005-02-14 22:08:08 +01:00
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return JNI_TRUE;
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}
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/* JAWT_DrawingSurface functions */
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static jint
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(JNICALL _Jv_Lock) (JAWT_DrawingSurface* surface)
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{
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return classpath_jawt_object_lock (surface->lock);
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2005-02-14 22:08:08 +01:00
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}
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static void
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(JNICALL _Jv_Unlock) (JAWT_DrawingSurface* surface)
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{
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classpath_jawt_object_unlock (surface->lock);
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2005-02-14 22:08:08 +01:00
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}
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static JAWT_DrawingSurfaceInfo*
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(JNICALL _Jv_GetDrawingSurfaceInfo) (JAWT_DrawingSurface* surface)
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{
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if (surface == NULL)
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return NULL;
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return surface->surface_info;
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}
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static void
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(JNICALL _Jv_FreeDrawingSurfaceInfo) (JAWT_DrawingSurfaceInfo* surface_info)
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{
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JAWT_X11DrawingSurfaceInfo* surface_info_x11;
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if (surface_info == NULL)
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return;
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surface_info_x11 = (JAWT_X11DrawingSurfaceInfo*) surface_info->platformInfo;
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surface_info_x11->display = NULL;
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surface_info_x11->drawable = 0;
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2005-03-05 22:47:10 +01:00
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surface_info_x11->visualID = 0;
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2005-02-14 22:08:08 +01:00
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2005-05-18 16:20:53 +02:00
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free (surface_info->platformInfo);
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2005-02-14 22:08:08 +01:00
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free (surface_info);
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surface_info = NULL;
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}
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/* JAWT functions */
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static JAWT_DrawingSurface*
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(JNICALL _Jv_GetDrawingSurface) (JNIEnv* env, jobject canvas)
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{
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JAWT_DrawingSurface* surface;
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JAWT_X11DrawingSurfaceInfo* surface_info_x11;
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surface = (JAWT_DrawingSurface*) malloc (sizeof (JAWT_DrawingSurface));
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if (surface == NULL)
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return NULL;
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/* initialize function pointers */
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surface->GetDrawingSurfaceInfo = _Jv_GetDrawingSurfaceInfo;
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surface->FreeDrawingSurfaceInfo = _Jv_FreeDrawingSurfaceInfo;
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surface->Lock = _Jv_Lock;
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surface->Unlock = _Jv_Unlock;
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surface->surface_info = (JAWT_DrawingSurfaceInfo*) malloc (sizeof (JAWT_DrawingSurfaceInfo));
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2005-05-18 16:20:53 +02:00
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surface->lock = classpath_jawt_create_lock ();
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2005-02-14 22:08:08 +01:00
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if (surface->surface_info == NULL)
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return NULL;
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surface->surface_info->platformInfo = malloc (sizeof (JAWT_X11DrawingSurfaceInfo));
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if (surface->surface_info->platformInfo == NULL)
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return NULL;
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surface_info_x11 = (JAWT_X11DrawingSurfaceInfo*) surface->surface_info->platformInfo;
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surface_info_x11->display = classpath_jawt_get_default_display (env, canvas);
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surface_info_x11->drawable = classpath_jawt_get_drawable (env, canvas);
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surface_info_x11->visualID = classpath_jawt_get_visualID (env, canvas);
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2005-02-14 22:08:08 +01:00
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/* FIXME: also include bounding rectangle of drawing surface */
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/* FIXME: also include current clipping region */
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return surface;
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}
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static void
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(JNICALL _Jv_FreeDrawingSurface) (JAWT_DrawingSurface* surface)
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{
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classpath_jawt_destroy_lock (surface->lock);
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free (surface);
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}
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static void
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(JNICALL _Jv_AWTLock) (JNIEnv* env)
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{
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classpath_jawt_lock ();
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}
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static void
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(JNICALL _Jv_AWTUnlock) (JNIEnv* env)
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{
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classpath_jawt_unlock ();
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}
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