author | ohair |
Wed, 06 Apr 2011 22:06:11 -0700 | |
changeset 9035 | 1255eb81cc2f |
parent 8754 | 0c97cc803f5b |
child 11093 | e753252dc8a9 |
permissions | -rw-r--r-- |
2 | 1 |
/* |
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* Copyright (c) 1996, 2011, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
|
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
|
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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#ifdef HEADLESS |
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27 |
#error This file should not be included in headless library |
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#endif |
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30 |
#include "awt_p.h" |
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#include "java_awt_Component.h" |
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//#include "sun_awt_motif_MComponentPeer.h" |
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#include "awt_Component.h" |
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37 |
#include <jni.h> |
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38 |
#include <jni_util.h> |
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#include <jawt_md.h> |
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40 |
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41 |
extern struct MComponentPeerIDs mComponentPeerIDs; |
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extern struct ComponentIDs componentIDs; |
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43 |
#ifndef XAWT |
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44 |
extern AwtGraphicsConfigDataPtr |
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45 |
getGraphicsConfigFromComponentPeer(JNIEnv *env, jobject this); |
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46 |
#endif |
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47 |
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48 |
#ifdef XAWT |
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49 |
#include "awt_GraphicsEnv.h" |
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50 |
extern jfieldID windowID; |
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extern jfieldID targetID; |
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extern jfieldID graphicsConfigID; |
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extern jfieldID drawStateID; |
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extern struct X11GraphicsConfigIDs x11GraphicsConfigIDs; |
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#endif |
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57 |
/* |
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58 |
* Lock the surface of the target component for native rendering. |
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59 |
* When finished drawing, the surface must be unlocked with |
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* Unlock(). This function returns a bitmask with one or more of the |
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* following values: |
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62 |
* |
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* JAWT_LOCK_ERROR - When an error has occurred and the surface could not |
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* be locked. |
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65 |
* |
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* JAWT_LOCK_CLIP_CHANGED - When the clip region has changed. |
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* |
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68 |
* JAWT_LOCK_BOUNDS_CHANGED - When the bounds of the surface have changed. |
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* |
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* JAWT_LOCK_SURFACE_CHANGED - When the surface itself has changed |
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*/ |
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JNIEXPORT jint JNICALL awt_DrawingSurface_Lock(JAWT_DrawingSurface* ds) |
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{ |
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JNIEnv* env; |
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jobject target, peer; |
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jclass componentClass; |
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jint drawState; |
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78 |
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if (ds == NULL) { |
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#ifdef DEBUG |
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fprintf(stderr, "Drawing Surface is NULL\n"); |
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#endif |
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return (jint)JAWT_LOCK_ERROR; |
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} |
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env = ds->env; |
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target = ds->target; |
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/* Make sure the target is a java.awt.Component */ |
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componentClass = (*env)->FindClass(env, "java/awt/Component"); |
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if (!(*env)->IsInstanceOf(env, target, componentClass)) { |
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#ifdef DEBUG |
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fprintf(stderr, "Target is not a component\n"); |
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#endif |
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return (jint)JAWT_LOCK_ERROR; |
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} |
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if (!awtLockInited) { |
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98 |
return (jint)JAWT_LOCK_ERROR; |
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} |
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AWT_LOCK(); |
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/* Get the peer of the target component */ |
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peer = (*env)->GetObjectField(env, target, componentIDs.peer); |
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if (JNU_IsNull(env, peer)) { |
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#ifdef DEBUG |
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fprintf(stderr, "Component peer is NULL\n"); |
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#endif |
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AWT_FLUSH_UNLOCK(); |
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return (jint)JAWT_LOCK_ERROR; |
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} |
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#ifndef XAWT |
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drawState = (*env)->GetIntField(env, peer, mComponentPeerIDs.drawState); |
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(*env)->SetIntField(env, peer, mComponentPeerIDs.drawState, 0); |
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#else |
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drawState = (*env)->GetIntField(env, peer, drawStateID); |
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(*env)->SetIntField(env, peer, drawStateID, 0); |
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#endif |
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return drawState; |
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} |
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JNIEXPORT int32_t JNICALL |
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awt_GetColor(JAWT_DrawingSurface* ds, int32_t r, int32_t g, int32_t b) |
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{ |
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125 |
JNIEnv* env; |
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jobject target, peer; |
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127 |
jclass componentClass; |
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AwtGraphicsConfigDataPtr adata; |
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int32_t result; |
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#ifdef XAWT |
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jobject gc_object; |
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#endif |
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if (ds == NULL) { |
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#ifdef DEBUG |
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fprintf(stderr, "Drawing Surface is NULL\n"); |
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#endif |
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return (int32_t) 0; |
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} |
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env = ds->env; |
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target = ds->target; |
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/* Make sure the target is a java.awt.Component */ |
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componentClass = (*env)->FindClass(env, "java/awt/Component"); |
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if (!(*env)->IsInstanceOf(env, target, componentClass)) { |
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#ifdef DEBUG |
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fprintf(stderr, "DrawingSurface target must be a component\n"); |
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#endif |
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return (int32_t) 0; |
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} |
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152 |
if (!awtLockInited) { |
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return (int32_t) 0; |
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} |
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AWT_LOCK(); |
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157 |
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158 |
/* Get the peer of the target component */ |
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peer = (*env)->GetObjectField(env, target, componentIDs.peer); |
|
160 |
if (JNU_IsNull(env, peer)) { |
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#ifdef DEBUG |
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fprintf(stderr, "Component peer is NULL\n"); |
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#endif |
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AWT_UNLOCK(); |
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return (int32_t) 0; |
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166 |
} |
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#ifndef XAWT |
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168 |
adata = getGraphicsConfigFromComponentPeer(env, peer); |
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#else |
|
170 |
/* GraphicsConfiguration object of MComponentPeer */ |
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171 |
gc_object = (*env)->GetObjectField(env, peer, graphicsConfigID); |
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172 |
||
173 |
if (gc_object != NULL) { |
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174 |
adata = (AwtGraphicsConfigDataPtr) |
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175 |
JNU_GetLongFieldAsPtr(env, gc_object, |
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x11GraphicsConfigIDs.aData); |
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177 |
} else { |
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178 |
adata = getDefaultConfig(DefaultScreen(awt_display)); |
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179 |
} |
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180 |
#endif |
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182 |
result = adata->AwtColorMatch(r, g, b, adata); |
|
183 |
AWT_UNLOCK(); |
|
184 |
return result; |
|
185 |
} |
|
186 |
||
187 |
/* |
|
188 |
* Get the drawing surface info. |
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189 |
* The value returned may be cached, but the values may change if |
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190 |
* additional calls to Lock() or Unlock() are made. |
|
191 |
* Lock() must be called before this can return a valid value. |
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192 |
* Returns NULL if an error has occurred. |
|
193 |
* When finished with the returned value, FreeDrawingSurfaceInfo must be |
|
194 |
* called. |
|
195 |
*/ |
|
196 |
JNIEXPORT JAWT_DrawingSurfaceInfo* JNICALL |
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197 |
awt_DrawingSurface_GetDrawingSurfaceInfo(JAWT_DrawingSurface* ds) |
|
198 |
{ |
|
199 |
JNIEnv* env; |
|
200 |
jobject target, peer; |
|
201 |
jclass componentClass; |
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202 |
JAWT_X11DrawingSurfaceInfo* px; |
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203 |
JAWT_DrawingSurfaceInfo* p; |
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204 |
#ifndef XAWT |
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205 |
struct ComponentData *cdata; |
|
206 |
#endif |
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207 |
XWindowAttributes attrs; |
|
208 |
||
209 |
if (ds == NULL) { |
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210 |
#ifdef DEBUG |
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211 |
fprintf(stderr, "Drawing Surface is NULL\n"); |
|
212 |
#endif |
|
213 |
return NULL; |
|
214 |
} |
|
215 |
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216 |
env = ds->env; |
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217 |
target = ds->target; |
|
218 |
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219 |
/* Make sure the target is a java.awt.Component */ |
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220 |
componentClass = (*env)->FindClass(env, "java/awt/Component"); |
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221 |
if (!(*env)->IsInstanceOf(env, target, componentClass)) { |
|
222 |
#ifdef DEBUG |
|
223 |
fprintf(stderr, "DrawingSurface target must be a component\n"); |
|
224 |
#endif |
|
225 |
return NULL; |
|
226 |
} |
|
227 |
||
228 |
if (!awtLockInited) { |
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229 |
return NULL; |
|
230 |
} |
|
231 |
||
232 |
AWT_LOCK(); |
|
233 |
||
234 |
/* Get the peer of the target component */ |
|
235 |
peer = (*env)->GetObjectField(env, target, componentIDs.peer); |
|
236 |
if (JNU_IsNull(env, peer)) { |
|
237 |
#ifdef DEBUG |
|
238 |
fprintf(stderr, "Component peer is NULL\n"); |
|
239 |
#endif |
|
240 |
AWT_UNLOCK(); |
|
241 |
return NULL; |
|
242 |
} |
|
243 |
||
244 |
#ifndef XAWT |
|
245 |
/* Get the component data from the peer */ |
|
246 |
cdata = (struct ComponentData *) |
|
247 |
JNU_GetLongFieldAsPtr(env, peer, mComponentPeerIDs.pData); |
|
248 |
if (cdata == NULL) { |
|
249 |
#ifdef DEBUG |
|
250 |
fprintf(stderr, "Component data is NULL\n"); |
|
251 |
#endif |
|
252 |
AWT_UNLOCK(); |
|
253 |
return NULL; |
|
254 |
} |
|
255 |
#endif |
|
256 |
||
257 |
AWT_UNLOCK(); |
|
258 |
||
259 |
/* Allocate platform-specific data */ |
|
260 |
px = (JAWT_X11DrawingSurfaceInfo*) |
|
261 |
malloc(sizeof(JAWT_X11DrawingSurfaceInfo)); |
|
262 |
||
263 |
/* Set drawable and display */ |
|
264 |
#ifndef XAWT |
|
265 |
px->drawable = XtWindow(cdata->widget); |
|
266 |
#else |
|
6825 | 267 |
px->drawable = (*env)->GetLongField(env, peer, windowID); |
2 | 268 |
#endif |
269 |
px->display = awt_display; |
|
270 |
||
271 |
/* Get window attributes to set other values */ |
|
272 |
XGetWindowAttributes(awt_display, (Window)(px->drawable), &attrs); |
|
273 |
||
274 |
/* Set the other values */ |
|
275 |
px->visualID = XVisualIDFromVisual(attrs.visual); |
|
276 |
px->colormapID = attrs.colormap; |
|
277 |
px->depth = attrs.depth; |
|
278 |
px->GetAWTColor = awt_GetColor; |
|
279 |
||
280 |
/* Allocate and initialize platform-independent data */ |
|
281 |
p = (JAWT_DrawingSurfaceInfo*)malloc(sizeof(JAWT_DrawingSurfaceInfo)); |
|
282 |
p->platformInfo = px; |
|
283 |
p->ds = ds; |
|
284 |
p->bounds.x = (*env)->GetIntField(env, target, componentIDs.x); |
|
285 |
p->bounds.y = (*env)->GetIntField(env, target, componentIDs.y); |
|
286 |
p->bounds.width = (*env)->GetIntField(env, target, componentIDs.width); |
|
287 |
p->bounds.height = (*env)->GetIntField(env, target, componentIDs.height); |
|
288 |
p->clipSize = 1; |
|
289 |
p->clip = &(p->bounds); |
|
290 |
||
291 |
/* Return our new structure */ |
|
292 |
return p; |
|
293 |
} |
|
294 |
||
295 |
/* |
|
296 |
* Free the drawing surface info. |
|
297 |
*/ |
|
298 |
JNIEXPORT void JNICALL |
|
299 |
awt_DrawingSurface_FreeDrawingSurfaceInfo(JAWT_DrawingSurfaceInfo* dsi) |
|
300 |
{ |
|
301 |
if (dsi == NULL ) { |
|
302 |
#ifdef DEBUG |
|
303 |
fprintf(stderr, "Drawing Surface Info is NULL\n"); |
|
304 |
#endif |
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return; |
2 | 306 |
} |
307 |
free(dsi->platformInfo); |
|
308 |
free(dsi); |
|
309 |
} |
|
310 |
||
311 |
/* |
|
312 |
* Unlock the drawing surface of the target component for native rendering. |
|
313 |
*/ |
|
314 |
JNIEXPORT void JNICALL awt_DrawingSurface_Unlock(JAWT_DrawingSurface* ds) |
|
315 |
{ |
|
316 |
JNIEnv* env; |
|
317 |
if (ds == NULL) { |
|
318 |
#ifdef DEBUG |
|
319 |
fprintf(stderr, "Drawing Surface is NULL\n"); |
|
320 |
#endif |
|
321 |
return; |
|
322 |
} |
|
323 |
env = ds->env; |
|
324 |
AWT_FLUSH_UNLOCK(); |
|
325 |
} |
|
326 |
||
327 |
JNIEXPORT JAWT_DrawingSurface* JNICALL |
|
328 |
awt_GetDrawingSurface(JNIEnv* env, jobject target) |
|
329 |
{ |
|
330 |
jclass componentClass; |
|
331 |
JAWT_DrawingSurface* p; |
|
332 |
||
333 |
/* Make sure the target component is a java.awt.Component */ |
|
334 |
componentClass = (*env)->FindClass(env, "java/awt/Component"); |
|
335 |
if (!(*env)->IsInstanceOf(env, target, componentClass)) { |
|
336 |
#ifdef DEBUG |
|
337 |
fprintf(stderr, |
|
338 |
"GetDrawingSurface target must be a java.awt.Component\n"); |
|
339 |
#endif |
|
340 |
return NULL; |
|
341 |
} |
|
342 |
||
343 |
p = (JAWT_DrawingSurface*)malloc(sizeof(JAWT_DrawingSurface)); |
|
344 |
p->env = env; |
|
345 |
p->target = (*env)->NewGlobalRef(env, target); |
|
346 |
p->Lock = awt_DrawingSurface_Lock; |
|
347 |
p->GetDrawingSurfaceInfo = awt_DrawingSurface_GetDrawingSurfaceInfo; |
|
348 |
p->FreeDrawingSurfaceInfo = awt_DrawingSurface_FreeDrawingSurfaceInfo; |
|
349 |
p->Unlock = awt_DrawingSurface_Unlock; |
|
350 |
return p; |
|
351 |
} |
|
352 |
||
353 |
JNIEXPORT void JNICALL |
|
354 |
awt_FreeDrawingSurface(JAWT_DrawingSurface* ds) |
|
355 |
{ |
|
356 |
JNIEnv* env; |
|
357 |
||
358 |
if (ds == NULL ) { |
|
359 |
#ifdef DEBUG |
|
360 |
fprintf(stderr, "Drawing Surface is NULL\n"); |
|
361 |
#endif |
|
362 |
return; |
|
363 |
} |
|
364 |
env = ds->env; |
|
365 |
(*env)->DeleteGlobalRef(env, ds->target); |
|
366 |
free(ds); |
|
367 |
} |
|
368 |
||
369 |
JNIEXPORT void JNICALL |
|
370 |
awt_Lock(JNIEnv* env) |
|
371 |
{ |
|
372 |
if (awtLockInited) { |
|
373 |
AWT_LOCK(); |
|
374 |
} |
|
375 |
} |
|
376 |
||
377 |
JNIEXPORT void JNICALL |
|
378 |
awt_Unlock(JNIEnv* env) |
|
379 |
{ |
|
380 |
if (awtLockInited) { |
|
381 |
AWT_FLUSH_UNLOCK(); |
|
382 |
} |
|
383 |
} |
|
384 |
||
385 |
JNIEXPORT jobject JNICALL |
|
386 |
awt_GetComponent(JNIEnv* env, void* platformInfo) |
|
387 |
{ |
|
388 |
Window window = (Window)platformInfo; |
|
389 |
Widget widget = NULL; |
|
390 |
jobject peer = NULL; |
|
391 |
jobject target = NULL; |
|
392 |
||
393 |
AWT_LOCK(); |
|
394 |
||
395 |
#ifndef XAWT |
|
396 |
if (window != None) { |
|
397 |
widget = XtWindowToWidget(awt_display, window); |
|
398 |
} |
|
399 |
||
400 |
if (widget != NULL) { |
|
401 |
XtVaGetValues (widget, XmNuserData, &peer, NULL); |
|
402 |
} |
|
403 |
||
404 |
if (peer != NULL) { |
|
405 |
target = (*env)->GetObjectField(env, peer, mComponentPeerIDs.target); |
|
406 |
} |
|
407 |
#else |
|
408 |
target = (*env)->GetObjectField(env, peer, targetID); |
|
409 |
#endif |
|
410 |
||
411 |
if (target == NULL) { |
|
412 |
JNU_ThrowNullPointerException(env, "NullPointerException"); |
|
413 |
AWT_UNLOCK(); |
|
414 |
return (jobject)NULL; |
|
415 |
} |
|
416 |
||
417 |
||
418 |
AWT_UNLOCK(); |
|
419 |
||
420 |
return target; |
|
421 |
} |