4632N/A/*
4632N/A * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
4632N/A * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4632N/A *
4632N/A * This code is free software; you can redistribute it and/or modify it
4632N/A * under the terms of the GNU General Public License version 2 only, as
4632N/A * published by the Free Software Foundation. Oracle designates this
4632N/A * particular file as subject to the "Classpath" exception as provided
4632N/A * by Oracle in the LICENSE file that accompanied this code.
4632N/A *
4632N/A * This code is distributed in the hope that it will be useful, but WITHOUT
4632N/A * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
4632N/A * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
4632N/A * version 2 for more details (a copy is included in the LICENSE file that
4632N/A * accompanied this code).
4632N/A *
4632N/A * You should have received a copy of the GNU General Public License version
4632N/A * 2 along with this work; if not, write to the Free Software Foundation,
4632N/A * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
4632N/A *
4632N/A * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
4632N/A * or visit www.oracle.com if you need additional information or have any
4632N/A * questions.
4632N/A */
4632N/A
4632N/A#import "QuartzSurfaceData.h"
4632N/A#import <pthread.h>
4632N/A
4632N/Atypedef UInt8 Pixel8bit;
4632N/Atypedef UInt16 Pixel16bit;
4632N/Atypedef UInt32 Pixel32bit;
4632N/A
4632N/Atypedef struct _ImageSDOps ImageSDOps;
4632N/A
4632N/AImageSDOps* LockImage(JNIEnv* env, jobject imageSurfaceData);
4632N/Avoid UnlockImage(JNIEnv* env, ImageSDOps* isdo);
4632N/AImageSDOps* LockImagePixels(JNIEnv* env, jobject imageSurfaceData);
4632N/Avoid UnlockImagePixels(JNIEnv* env, ImageSDOps* isdo);
4632N/A
4632N/A// if there is no image created for isdo.imgRef, it creates and image using the isdo.dataProvider
4632N/A// If there is an image present, this is a no-op
4632N/Avoid makeSureImageIsCreated(ImageSDOps* isdo);
4632N/A
5321N/Atypedef struct _ContextInfo
4632N/A{
4632N/A BOOL useWindowContextReference;
4632N/A BOOL canUseJavaPixelsAsContext;
4632N/A size_t bitsPerComponent;
4632N/A size_t bytesPerPixel;
4632N/A size_t bytesPerRow;
4632N/A CGImageAlphaInfo alphaInfo;
4632N/A CGColorSpaceRef colorSpace;
5321N/A} ContextInfo;
4632N/A
5321N/Atypedef struct _ImageInfo
4632N/A{
4632N/A size_t bitsPerComponent;
4632N/A size_t bitsPerPixel;
4632N/A size_t bytesPerPixel;
4632N/A size_t bytesPerRow;
4632N/A CGImageAlphaInfo alphaInfo;
4632N/A CGColorSpaceRef colorSpace;
5321N/A} ImageInfo;
4632N/A
4632N/Astruct _ImageSDOps
4632N/A{
4632N/A QuartzSDOps qsdo; // must be the first entry!
4632N/A
4632N/A ContextInfo contextInfo;
4632N/A ImageInfo imageInfo;
4632N/A BOOL isSubImage;
4632N/A
4632N/A jint* javaImageInfo;
4632N/A
4632N/A // parameters specifying this BufferedImage given to us from Java
4632N/A jobject array;
4632N/A jint offset;
4632N/A jint width;
4632N/A jint height;
4632N/A jint javaPixelBytes;
4632N/A jint javaPixelsBytesPerRow;
4632N/A jobject icm;
4632N/A jint type;
4632N/A
4632N/A Pixel8bit* pixels;
4632N/A Pixel8bit* pixelsLocked;
4632N/A
4632N/A // needed by TYPE_BYTE_INDEXED
4632N/A UInt16* indexedColorTable;
4632N/A UInt32* lutData;
4632N/A UInt32 lutDataSize;
4632N/A
4632N/A // Used as a cached image ref created from the isdo.dataprovider. This is only a chached image, and it might become invalid
4632N/A // if somebody draws on the bitmap context, or the pixels are changed in java. In that case, we need to NULL out
4632N/A // this image and recreate it from the data provider.
4632N/A CGImageRef imgRef;
4632N/A
4632N/A // Cached instance of CGDataProvider. dataProvider is alloced the first time a bitmap context is created, providing the
4632N/A // native pixels as a source of the data. The dataProviders life cycle is the same as ISDO. The reference gets
4632N/A // released when we are done with the ISDO.
4632N/A CGDataProviderRef dataProvider;
4632N/A
4632N/A // Pointer in memory that is used for create the CGBitmapContext and the CGDataProvider (used for imgRef). This is a native
4632N/A // copy of the pixels for the Image. There is a spearate copy of the pixels that lives in Java heap. There are two main
4632N/A // reasons why we keep those pixels spearate: 1) CG doesn't support all the Java pixel formats 2) The Garbage collector can
4632N/A // move the java pixels at any time. There are possible workarounds for both problems. Number 2) seems to be a more serious issue, since
4632N/A // we can solve 1) by only supporting certain image types.
4632N/A void * nativePixels;
4632N/A NSGraphicsContext* nsRef;
4632N/A
4632N/A pthread_mutex_t lock;
4632N/A jint nrOfPixelsOwners;
4632N/A};
4632N/A