1 /*
   2  * Copyright (c) 2012, 2015, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 #import <UIKit/UIKit.h>
  27 #import <ImageIO/ImageIO.h>
  28 
  29 #include "jni.h"
  30 
  31 
  32 @interface ImageLoader : NSObject {
  33 
  34 @private
  35     NSMutableData *buffer;
  36     CGImageSourceRef cgImageSource;
  37     CGImageRef cgImage;
  38 
  39     int width;
  40     int height;
  41     int nComponents;
  42     int colorSpace;
  43     int nImages;
  44     int delayTime;
  45     int loopCount;
  46 }
  47 
  48 @property (nonatomic, retain) NSMutableData* buffer;
  49 @property (nonatomic) CGImageSourceRef cgImageSource;
  50 @property (nonatomic) CGImageRef cgImage;
  51 
  52 @property (nonatomic) int width;
  53 @property (nonatomic) int height;
  54 @property (nonatomic) int nComponents;
  55 @property (nonatomic) int colorSpace;
  56 @property (nonatomic) int nImages;
  57 @property (nonatomic) int delayTime;
  58 @property (nonatomic) int loopCount;
  59 
  60 
  61 - (id) init;
  62 
  63 - (void) dealloc;
  64 
  65 - (void) addToBuffer: (const void *) bytes
  66               length: (int) length;
  67 
  68 - (BOOL) loadFromBuffer: (JNIEnv *) env;
  69 
  70 - (BOOL) loadFromURL: (NSString *) urlString
  71               JNIEnv: (JNIEnv *) env;
  72 
  73 - (void) resize: (int) width
  74                : (int) height;
  75 
  76 - (jbyteArray) getDecompressedBuffer: (JNIEnv *) env
  77                           imageIndex: (int) imageIndex;
  78 
  79 
  80 @end