Second Life viewer sources 1.13.2.12

1 files changed, 82 insertions, 0 deletions

diff --git a/linden/indra/llimage/llimagejpeg.h b/linden/indra/llimage/llimagejpeg.h
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+++ b/linden/indra/llimage/llimagejpeg.h
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+/** 
+ * @file llimagejpeg.h
+ * @brief This class compresses and decompresses JPEG files
+ *
+ * Copyright (c) 2002-2007, Linden Research, Inc.
+ * 
+ * The source code in this file ("Source Code") is provided by Linden Lab
+ * to you under the terms of the GNU General Public License, version 2.0
+ * ("GPL"), unless you have obtained a separate licensing agreement
+ * ("Other License"), formally executed by you and Linden Lab.  Terms of
+ * the GPL can be found in doc/GPL-license.txt in this distribution, or
+ * online at http://secondlife.com/developers/opensource/gplv2
+ * 
+ * There are special exceptions to the terms and conditions of the GPL as
+ * it is applied to this Source Code. View the full text of the exception
+ * in the file doc/FLOSS-exception.txt in this software distribution, or
+ * online at http://secondlife.com/developers/opensource/flossexception
+ * 
+ * By copying, modifying or distributing this software, you acknowledge
+ * that you have read and understood your obligations described above,
+ * and agree to abide by those obligations.
+ * 
+ * ALL LINDEN LAB SOURCE CODE IS PROVIDED "AS IS." LINDEN LAB MAKES NO
+ * WARRANTIES, EXPRESS, IMPLIED OR OTHERWISE, REGARDING ITS ACCURACY,
+ * COMPLETENESS OR PERFORMANCE.
+ */
+
+#ifndef LL_LLIMAGEJPEG_H
+#define LL_LLIMAGEJPEG_H
+
+#include <setjmp.h>
+
+#include "llimage.h"
+
+extern "C" {
+#include "jpeglib/jinclude.h"
+#include "jpeglib/jpeglib.h"
+#include "jpeglib/jerror.h"
+}
+
+class LLImageJPEG : public LLImageFormatted
+{
+protected:
+        virtual ~LLImageJPEG();
+        
+public:
+        LLImageJPEG();
+
+        /*virtual*/ BOOL updateData();
+        /*virtual*/ BOOL decode(LLImageRaw* raw_image, F32 time=0.0);
+        /*virtual*/ BOOL encode(const LLImageRaw* raw_image, F32 time=0.0);
+
+        void                    setEncodeQuality( S32 q )       { mEncodeQuality = q; } // on a scale from 1 to 100
+        S32                             getEncodeQuality()                      { return mEncodeQuality; }
+
+        // Callbacks registered with jpeglib
+        static void             encodeInitDestination ( j_compress_ptr cinfo );
+        static boolean  encodeEmptyOutputBuffer(j_compress_ptr cinfo);
+        static void             encodeTermDestination(j_compress_ptr cinfo);
+
+        static void             decodeInitSource(j_decompress_ptr cinfo);
+        static boolean  decodeFillInputBuffer(j_decompress_ptr cinfo);
+        static void             decodeSkipInputData(j_decompress_ptr cinfo, long num_bytes);
+        static void             decodeTermSource(j_decompress_ptr cinfo);
+
+
+        static void             errorExit(j_common_ptr cinfo);
+        static void             errorEmitMessage(j_common_ptr cinfo, int msg_level);
+        static void             errorOutputMessage(j_common_ptr cinfo);
+
+        static BOOL             decompress(LLImageJPEG* imagep);
+
+protected:
+        U8*                             mOutputBuffer;          // temp buffer used during encoding
+        S32                             mOutputBufferSize;      // bytes in mOuputBuffer
+
+        S32                             mEncodeQuality;         // on a scale from 1 to 100
+
+        jmp_buf                 mSetjmpBuffer;          // To allow the library to abort.
+};
+
+#endif  // LL_LLIMAGEJPEG_H