author | alexsch |
Thu, 21 Mar 2013 16:50:35 +0400 | |
changeset 16470 | ccc74e8572d5 |
parent 15989 | 0fe0985a7bde |
child 16840 | 64446d4710c4 |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2012, 2013, 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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||
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#import "LWCToolkit.h" |
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#import "ThreadUtilities.h" |
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/* |
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* Convert the mode string to the more convinient bits per pixel value |
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*/ |
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static int getBPPFromModeString(CFStringRef mode) |
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{ |
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if ((CFStringCompare(mode, CFSTR(kIO30BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo)) { |
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// This is a strange mode, where we using 10 bits per RGB component and pack it into 32 bits |
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// Java is not ready to work with this mode but we have to specify it as supported |
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return 30; |
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} |
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else if (CFStringCompare(mode, CFSTR(IO32BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo) { |
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return 32; |
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} |
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else if (CFStringCompare(mode, CFSTR(IO16BitDirectPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo) { |
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return 16; |
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} |
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else if (CFStringCompare(mode, CFSTR(IO8BitIndexedPixels), kCFCompareCaseInsensitive) == kCFCompareEqualTo) { |
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return 8; |
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} |
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return 0; |
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} |
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static BOOL isValidDisplayMode(CGDisplayModeRef mode){ |
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return (1 < CGDisplayModeGetWidth(mode) && 1 < CGDisplayModeGetHeight(mode)); |
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} |
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|
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static CFMutableArrayRef getAllValidDisplayModes(jint displayID){ |
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CFArrayRef allModes = CGDisplayCopyAllDisplayModes(displayID, NULL); |
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|
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CFIndex numModes = CFArrayGetCount(allModes); |
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CFMutableArrayRef validModes = CFArrayCreateMutable(kCFAllocatorDefault, numModes + 1, NULL); |
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|
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CFIndex n; |
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for (n=0; n < numModes; n++) { |
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CGDisplayModeRef cRef = (CGDisplayModeRef) CFArrayGetValueAtIndex(allModes, n); |
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if (cRef != NULL && isValidDisplayMode(cRef)) { |
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CFArrayAppendValue(validModes, cRef); |
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} |
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} |
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CGDisplayModeRef currentMode = CGDisplayCopyDisplayMode(displayID); |
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|
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BOOL containsCurrentMode = NO; |
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numModes = CFArrayGetCount(validModes); |
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for (n=0; n < numModes; n++) { |
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if(CFArrayGetValueAtIndex(validModes, n) == currentMode){ |
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containsCurrentMode = YES; |
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break; |
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} |
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} |
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|
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if (!containsCurrentMode) { |
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CFArrayAppendValue(validModes, currentMode); |
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} |
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|
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return validModes; |
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} |
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/* |
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* Find the best possible match in the list of display modes that we can switch to based on |
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* the provided parameters. |
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*/ |
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static CGDisplayModeRef getBestModeForParameters(CFArrayRef allModes, int w, int h, int bpp, int refrate) { |
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CGDisplayModeRef bestGuess = NULL; |
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CFIndex numModes = CFArrayGetCount(allModes), n; |
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int thisBpp = 0; |
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for(n = 0; n < numModes; n++ ) { |
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CGDisplayModeRef cRef = (CGDisplayModeRef) CFArrayGetValueAtIndex(allModes, n); |
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if(cRef == NULL) { |
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continue; |
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} |
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CFStringRef modeString = CGDisplayModeCopyPixelEncoding(cRef); |
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thisBpp = getBPPFromModeString(modeString); |
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CFRelease(modeString); |
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if (thisBpp != bpp || (int)CGDisplayModeGetHeight(cRef) != h || (int)CGDisplayModeGetWidth(cRef) != w) { |
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// One of the key parameters does not match |
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continue; |
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} |
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108 |
|
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if (refrate == 0) { // REFRESH_RATE_UNKNOWN |
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return cRef; |
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} |
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// Refresh rate might be 0 in display mode and we ask for specific display rate |
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// but if we do not find exact match then 0 refresh rate might be just Ok |
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if (CGDisplayModeGetRefreshRate(cRef) == refrate) { |
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// Exact match |
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return cRef; |
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} |
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if (CGDisplayModeGetRefreshRate(cRef) == 0) { |
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// Not exactly what was asked for, but may fit our needs if we don't find an exact match |
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bestGuess = cRef; |
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} |
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123 |
} |
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return bestGuess; |
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} |
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|
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/* |
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* Create a new java.awt.DisplayMode instance based on provided CGDisplayModeRef |
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*/ |
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static jobject createJavaDisplayMode(CGDisplayModeRef mode, JNIEnv *env, jint displayID) { |
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jobject ret = NULL; |
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jint h, w, bpp, refrate; |
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JNF_COCOA_ENTER(env); |
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CFStringRef currentBPP = CGDisplayModeCopyPixelEncoding(mode); |
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bpp = getBPPFromModeString(currentBPP); |
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refrate = CGDisplayModeGetRefreshRate(mode); |
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h = CGDisplayModeGetHeight(mode); |
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w = CGDisplayModeGetWidth(mode); |
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CFRelease(currentBPP); |
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static JNF_CLASS_CACHE(jc_DisplayMode, "java/awt/DisplayMode"); |
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static JNF_CTOR_CACHE(jc_DisplayMode_ctor, jc_DisplayMode, "(IIII)V"); |
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ret = JNFNewObject(env, jc_DisplayMode_ctor, w, h, bpp, refrate); |
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JNF_COCOA_EXIT(env); |
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return ret; |
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} |
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146 |
|
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147 |
|
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/* |
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* Class: sun_awt_CGraphicsDevice |
150 |
* Method: nativeGetXResolution |
|
151 |
* Signature: (I)D |
|
152 |
*/ |
|
153 |
JNIEXPORT jdouble JNICALL |
|
154 |
Java_sun_awt_CGraphicsDevice_nativeGetXResolution |
|
155 |
(JNIEnv *env, jclass class, jint displayID) |
|
156 |
{ |
|
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// TODO: this is the physically correct answer, but we probably want |
|
158 |
// to use NSScreen API instead... |
|
159 |
CGSize size = CGDisplayScreenSize(displayID); |
|
160 |
CGRect rect = CGDisplayBounds(displayID); |
|
161 |
// 1 inch == 25.4 mm |
|
162 |
jfloat inches = size.width / 25.4f; |
|
163 |
jfloat dpi = rect.size.width / inches; |
|
164 |
return dpi; |
|
165 |
} |
|
166 |
||
167 |
/* |
|
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* Class: sun_awt_CGraphicsDevice |
|
169 |
* Method: nativeGetYResolution |
|
170 |
* Signature: (I)D |
|
171 |
*/ |
|
172 |
JNIEXPORT jdouble JNICALL |
|
173 |
Java_sun_awt_CGraphicsDevice_nativeGetYResolution |
|
174 |
(JNIEnv *env, jclass class, jint displayID) |
|
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{ |
|
176 |
// TODO: this is the physically correct answer, but we probably want |
|
177 |
// to use NSScreen API instead... |
|
178 |
CGSize size = CGDisplayScreenSize(displayID); |
|
179 |
CGRect rect = CGDisplayBounds(displayID); |
|
180 |
// 1 inch == 25.4 mm |
|
181 |
jfloat inches = size.height / 25.4f; |
|
182 |
jfloat dpi = rect.size.height / inches; |
|
183 |
return dpi; |
|
184 |
} |
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185 |
|
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/* |
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* Class: sun_awt_CGraphicsDevice |
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* Method: nativeGetScreenInsets |
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* Signature: (I)D |
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*/ |
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JNIEXPORT jobject JNICALL |
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Java_sun_awt_CGraphicsDevice_nativeGetScreenInsets |
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(JNIEnv *env, jclass class, jint displayID) |
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{ |
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jobject ret = NULL; |
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__block NSRect frame = NSZeroRect; |
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__block NSRect visibleFrame = NSZeroRect; |
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198 |
JNF_COCOA_ENTER(env); |
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199 |
|
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[ThreadUtilities performOnMainThreadWaiting:YES block:^(){ |
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NSArray *screens = [NSScreen screens]; |
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for (NSScreen *screen in screens) { |
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NSDictionary *screenInfo = [screen deviceDescription]; |
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NSNumber *screenID = [screenInfo objectForKey:@"NSScreenNumber"]; |
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if ([screenID pointerValue] == displayID){ |
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frame = [screen frame]; |
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visibleFrame = [screen visibleFrame]; |
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break; |
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|
209 |
} |
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210 |
} |
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211 |
}]; |
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212 |
// Convert between Cocoa's coordinate system and Java. |
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213 |
jint bottom = visibleFrame.origin.y - frame.origin.y; |
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jint top = frame.size.height - visibleFrame.size.height - bottom; |
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jint left = visibleFrame.origin.x - frame.origin.x; |
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jint right = frame.size.width - visibleFrame.size.width - left; |
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217 |
|
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static JNF_CLASS_CACHE(jc_Insets, "java/awt/Insets"); |
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static JNF_CTOR_CACHE(jc_Insets_ctor, jc_Insets, "(IIII)V"); |
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ret = JNFNewObject(env, jc_Insets_ctor, top, left, bottom, right); |
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|
221 |
|
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222 |
JNF_COCOA_EXIT(env); |
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|
223 |
|
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224 |
return ret; |
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|
225 |
} |
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|
226 |
|
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227 |
/* |
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228 |
* Class: sun_awt_CGraphicsDevice |
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229 |
* Method: nativeSetDisplayMode |
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230 |
* Signature: (IIIII)V |
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231 |
*/ |
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232 |
JNIEXPORT void JNICALL |
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233 |
Java_sun_awt_CGraphicsDevice_nativeSetDisplayMode |
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234 |
(JNIEnv *env, jclass class, jint displayID, jint w, jint h, jint bpp, jint refrate) |
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235 |
{ |
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236 |
JNF_COCOA_ENTER(env); |
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CFArrayRef allModes = getAllValidDisplayModes(displayID); |
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|
238 |
|
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239 |
CGDisplayModeRef closestMatch = getBestModeForParameters(allModes, (int)w, (int)h, (int)bpp, (int)refrate); |
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240 |
__block CGError retCode = kCGErrorSuccess; |
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241 |
if (closestMatch != NULL) { |
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242 |
[JNFRunLoop performOnMainThreadWaiting:YES withBlock:^(){ |
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243 |
CGDisplayConfigRef config; |
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244 |
retCode = CGBeginDisplayConfiguration(&config); |
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245 |
if (retCode == kCGErrorSuccess) { |
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246 |
CGConfigureDisplayWithDisplayMode(config, displayID, closestMatch, NULL); |
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247 |
retCode = CGCompleteDisplayConfiguration(config, kCGConfigureForAppOnly); |
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248 |
} |
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249 |
}]; |
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250 |
} else { |
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251 |
[JNFException raise:env as:kIllegalArgumentException reason:"Invalid display mode"]; |
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252 |
} |
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253 |
|
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if (retCode != kCGErrorSuccess){ |
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[JNFException raise:env as:kIllegalArgumentException reason:"Unable to set display mode!"]; |
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256 |
} |
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257 |
|
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CFRelease(allModes); |
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259 |
JNF_COCOA_EXIT(env); |
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260 |
} |
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261 |
/* |
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262 |
* Class: sun_awt_CGraphicsDevice |
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263 |
* Method: nativeGetDisplayMode |
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264 |
* Signature: (I)Ljava/awt/DisplayMode |
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265 |
*/ |
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266 |
JNIEXPORT jobject JNICALL |
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267 |
Java_sun_awt_CGraphicsDevice_nativeGetDisplayMode |
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268 |
(JNIEnv *env, jclass class, jint displayID) |
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{ |
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jobject ret = NULL; |
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CGDisplayModeRef currentMode = CGDisplayCopyDisplayMode(displayID); |
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ret = createJavaDisplayMode(currentMode, env, displayID); |
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CGDisplayModeRelease(currentMode); |
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return ret; |
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275 |
} |
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276 |
|
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277 |
/* |
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278 |
* Class: sun_awt_CGraphicsDevice |
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279 |
* Method: nativeGetDisplayMode |
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280 |
* Signature: (I)[Ljava/awt/DisplayModes |
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*/ |
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JNIEXPORT jobjectArray JNICALL |
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Java_sun_awt_CGraphicsDevice_nativeGetDisplayModes |
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(JNIEnv *env, jclass class, jint displayID) |
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{ |
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jobjectArray jreturnArray = NULL; |
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JNF_COCOA_ENTER(env); |
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CFArrayRef allModes = getAllValidDisplayModes(displayID); |
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CFIndex numModes = CFArrayGetCount(allModes); |
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static JNF_CLASS_CACHE(jc_DisplayMode, "java/awt/DisplayMode"); |
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jreturnArray = JNFNewObjectArray(env, &jc_DisplayMode, (jsize) numModes); |
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if (!jreturnArray) { |
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NSLog(@"CGraphicsDevice can't create java array of DisplayMode objects"); |
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return nil; |
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} |
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CFIndex n; |
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for (n=0; n < numModes; n++) { |
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CGDisplayModeRef cRef = (CGDisplayModeRef) CFArrayGetValueAtIndex(allModes, n); |
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if (cRef != NULL) { |
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jobject oneMode = createJavaDisplayMode(cRef, env, displayID); |
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(*env)->SetObjectArrayElement(env, jreturnArray, n, oneMode); |
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if ((*env)->ExceptionOccurred(env)) { |
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(*env)->ExceptionDescribe(env); |
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(*env)->ExceptionClear(env); |
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continue; |
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} |
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(*env)->DeleteLocalRef(env, oneMode); |
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} |
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} |
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CFRelease(allModes); |
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JNF_COCOA_EXIT(env); |
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return jreturnArray; |
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} |