diff options
Diffstat (limited to 'gpr/source/lib/dng_sdk/dng_read_image.h')
| -rw-r--r-- | gpr/source/lib/dng_sdk/dng_read_image.h | 182 |
1 files changed, 182 insertions, 0 deletions
diff --git a/gpr/source/lib/dng_sdk/dng_read_image.h b/gpr/source/lib/dng_sdk/dng_read_image.h new file mode 100644 index 0000000..bd79e55 --- /dev/null +++ b/gpr/source/lib/dng_sdk/dng_read_image.h @@ -0,0 +1,182 @@ +/*****************************************************************************/
+// Copyright 2006-2012 Adobe Systems Incorporated
+// All Rights Reserved.
+//
+// NOTICE: Adobe permits you to use, modify, and distribute this file in
+// accordance with the terms of the Adobe license agreement accompanying it.
+/*****************************************************************************/
+
+/* $Id: //mondo/dng_sdk_1_4/dng_sdk/source/dng_read_image.h#2 $ */
+/* $DateTime: 2012/06/05 11:05:39 $ */
+/* $Change: 833352 $ */
+/* $Author: tknoll $ */
+
+/** \file
+ * Support for DNG image reading.
+ */
+
+/*****************************************************************************/
+
+#ifndef __dng_read_image__
+#define __dng_read_image__
+
+/*****************************************************************************/
+
+#include "dng_auto_ptr.h"
+#include "dng_classes.h"
+#include "dng_image.h"
+#include "dng_memory.h"
+#include "dng_types.h"
+
+/******************************************************************************/
+
+bool DecodePackBits (dng_stream &stream,
+ uint8 *dPtr,
+ int32 dstCount);
+
+/*****************************************************************************/
+
+class dng_row_interleaved_image: public dng_image
+ {
+
+ private:
+
+ dng_image &fImage;
+
+ uint32 fFactor;
+
+ public:
+
+ dng_row_interleaved_image (dng_image &image,
+ uint32 factor);
+
+ virtual void DoGet (dng_pixel_buffer &buffer) const;
+
+ virtual void DoPut (const dng_pixel_buffer &buffer);
+
+ private:
+
+ int32 MapRow (int32 row) const;
+
+ };
+
+/*****************************************************************************/
+
+/// \brief
+///
+///
+
+class dng_read_image
+ {
+
+ friend class dng_read_tiles_task;
+
+ protected:
+
+ enum
+ {
+
+ // Target size for buffer used to copy data to the image.
+
+ kImageBufferSize = 128 * 1024
+
+ };
+
+ AutoPtr<dng_memory_block> fJPEGTables;
+
+ public:
+
+ dng_read_image ();
+
+ virtual ~dng_read_image ();
+
+ ///
+ /// \param
+
+ virtual bool CanRead (const dng_ifd &ifd);
+
+ ///
+ /// \param host Host used for memory allocation, progress updating, and abort testing.
+ /// \param ifd
+ /// \param stream Stream to read image data from.
+ /// \param image Result image to populate.
+
+ virtual void Read (dng_host &host,
+ const dng_ifd &ifd,
+ dng_stream &stream,
+ dng_image &image,
+ dng_jpeg_image *jpegImage,
+ dng_fingerprint *jpegDigest);
+
+ protected:
+
+ virtual bool ReadUncompressed (dng_host &host,
+ const dng_ifd &ifd,
+ dng_stream &stream,
+ dng_image &image,
+ const dng_rect &tileArea,
+ uint32 plane,
+ uint32 planes,
+ AutoPtr<dng_memory_block> &uncompressedBuffer,
+ AutoPtr<dng_memory_block> &subTileBlockBuffer);
+
+ virtual void DecodeLossyJPEG (dng_host &host,
+ dng_image &image,
+ const dng_rect &tileArea,
+ uint32 plane,
+ uint32 planes,
+ uint32 photometricInterpretation,
+ uint32 jpegDataSize,
+ uint8 *jpegDataInMemory);
+
+ virtual bool ReadBaselineJPEG (dng_host &host,
+ const dng_ifd &ifd,
+ dng_stream &stream,
+ dng_image &image,
+ const dng_rect &tileArea,
+ uint32 plane,
+ uint32 planes,
+ uint32 tileByteCount,
+ uint8 *jpegDataInMemory);
+
+ virtual bool ReadLosslessJPEG (dng_host &host,
+ const dng_ifd &ifd,
+ dng_stream &stream,
+ dng_image &image,
+ const dng_rect &tileArea,
+ uint32 plane,
+ uint32 planes,
+ uint32 tileByteCount,
+ AutoPtr<dng_memory_block> &uncompressedBuffer,
+ AutoPtr<dng_memory_block> &subTileBlockBuffer);
+
+ virtual bool CanReadTile (const dng_ifd &ifd);
+
+ virtual bool NeedsCompressedBuffer (const dng_ifd &ifd);
+
+ virtual void ByteSwapBuffer (dng_host &host,
+ dng_pixel_buffer &buffer);
+
+ virtual void DecodePredictor (dng_host &host,
+ const dng_ifd &ifd,
+ dng_pixel_buffer &buffer);
+
+ virtual void ReadTile (dng_host &host,
+ const dng_ifd &ifd,
+ dng_stream &stream,
+ dng_image &image,
+ const dng_rect &tileArea,
+ uint32 plane,
+ uint32 planes,
+ uint32 tileByteCount,
+ AutoPtr<dng_memory_block> &compressedBuffer,
+ AutoPtr<dng_memory_block> &uncompressedBuffer,
+ AutoPtr<dng_memory_block> &subTileBlockBuffer);
+
+ };
+
+/*****************************************************************************/
+
+#endif
+
+/*****************************************************************************/
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