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Java example source code file (awt_Win32GraphicsConfig.cpp)
The awt_Win32GraphicsConfig.cpp Java example source code/* * Copyright (c) 1999, 2008, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception as provided * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ #include "awt.h" #include <sun_awt_Win32GraphicsConfig.h> #include "awt_Win32GraphicsConfig.h" #include "awt_Canvas.h" #include "awt_Win32GraphicsDevice.h" #include "Devices.h" //Info for building a ColorModel #include "java_awt_image_DataBuffer.h" //Local utility functions static int shiftToMask(int numBits, int shift); /* * AwtWin32GraphicsConfig fields */ jfieldID AwtWin32GraphicsConfig::win32GCVisualID; /* * Class: sun_awt_Win32GraphicsConfig * Method: initIDs * Signature: ()V */ JNIEXPORT void JNICALL Java_sun_awt_Win32GraphicsConfig_initIDs (JNIEnv *env, jclass thisCls) { TRY; AwtWin32GraphicsConfig::win32GCVisualID = env->GetFieldID(thisCls, "visual", "I"); DASSERT(AwtWin32GraphicsConfig::win32GCVisualID); CATCH_BAD_ALLOC; } /* * shiftToMask: * This function converts between cXXXBits and cXXXShift * fields in the Windows GDI PIXELFORMATDESCRIPTOR and the mask * fields passed to the DirectColorModel constructor. */ inline int shiftToMask(int numBits, int shift) { int mask = 0xFFFFFFFF; //Shift in numBits 0s mask = mask << numBits; mask = ~mask; //shift left by value of shift mask = mask << shift; return mask; } /* * Class: sun_awt_Win32GraphicsConfig * Method: getBounds * Signature: ()Ljava/awt/Rectangle */ JNIEXPORT jobject JNICALL Java_sun_awt_Win32GraphicsConfig_getBounds(JNIEnv *env, jobject thisobj, jint screen) { jclass clazz; jmethodID mid; jobject bounds = NULL; clazz = env->FindClass("java/awt/Rectangle"); mid = env->GetMethodID(clazz, "<init>", "(IIII)V"); if (mid != 0) { RECT rRW = {0, 0, 0, 0}; if (TRUE == MonitorBounds(AwtWin32GraphicsDevice::GetMonitor(screen), &rRW)) { bounds = env->NewObject(clazz, mid, rRW.left, rRW.top, rRW.right - rRW.left, rRW.bottom - rRW.top); } else { // 4910760 - don't return a null bounds, return the bounds of the // primary screen bounds = env->NewObject(clazz, mid, 0, 0, ::GetSystemMetrics(SM_CXSCREEN), ::GetSystemMetrics(SM_CYSCREEN)); } if (safe_ExceptionOccurred(env)) { return 0; } } return bounds; } Other Java examples (source code examples)Here is a short list of links related to this Java awt_Win32GraphicsConfig.cpp source code file: |
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