text: /**
   * FreeRDP: A Remote Desktop Protocol Implementation
   * RDP6 Planar Codec
   *
   * Copyright 2013 Marc-Andre Moreau <marcandre.moreau@gmail.com>
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  #ifndef FREERDP_CODEC_PLANAR_H
  #define FREERDP_CODEC_PLANAR_H
  
  #include <winpr/crt.h>
  
  typedef struct _BITMAP_PLANAR_CONTEXT BITMAP_PLANAR_CONTEXT;
  
  #include <freerdp/codec/color.h>
  #include <freerdp/codec/bitmap.h>
  
  #define PLANAR_FORMAT_HEADER_CS		(1 << 3)
  #define PLANAR_FORMAT_HEADER_RLE	(1 << 4)
  #define PLANAR_FORMAT_HEADER_NA		(1 << 5)
  #define PLANAR_FORMAT_HEADER_CLL_MASK	0x07
  
  #define PLANAR_CONTROL_BYTE(_nRunLength, _cRawBytes) \
  	(_nRunLength & 0x0F) | ((_cRawBytes & 0x0F) << 4)
  
  #define PLANAR_CONTROL_BYTE_RUN_LENGTH(_controlByte)	(_controlByte & 0x0F)
  #define PLANAR_CONTROL_BYTE_RAW_BYTES(_controlByte)	((_controlByte >> 4) & 0x0F)
  
  struct _RDP6_RLE_SEGMENT
  {
  	/**
  	 * controlByte:
  	 * [0-3]: nRunLength
  	 * [4-7]: cRawBytes
  	 */
  	BYTE controlByte;
  	BYTE* rawValues;
  };
  typedef struct _RDP6_RLE_SEGMENT RDP6_RLE_SEGMENT;
  
  struct _RDP6_RLE_SEGMENTS
  {
  	UINT32 cSegments;
  	RDP6_RLE_SEGMENT* segments;
  };
  typedef struct _RDP6_RLE_SEGMENTS RDP6_RLE_SEGMENTS;
  
  struct _RDP6_BITMAP_STREAM
  {
  	/**
  	 * formatHeader:
  	 * [0-2]: Color Loss Level (CLL)
  	 *  [3] : Chroma Subsampling (CS)
  	 *  [4] : Run Length Encoding (RLE)
  	 *  [5] : No Alpha (NA)
  	 * [6-7]: Reserved
  	 */
  	BYTE formatHeader;
  };
  typedef struct _RDP6_BITMAP_STREAM RDP6_BITMAP_STREAM;
  
  struct _BITMAP_PLANAR_CONTEXT
  {
  	int maxWidth;
  	int maxHeight;
  	int maxPlaneSize;
  
  	BOOL AllowSkipAlpha;
  	BOOL AllowRunLengthEncoding;
  	BOOL AllowColorSubsampling;
  	BOOL AllowDynamicColorFidelity;
  
  	int ColorLossLevel;
  
  	BYTE* planes[4];
  	BYTE* planesBuffer;
  
  	BYTE* deltaPlanes[4];
  	BYTE* deltaPlanesBuffer;
  
  	BYTE* rlePlanes[4];
  	BYTE* rlePlanesBuffer;
  
  	UINT32 TempSize;
  	BYTE* TempBuffer;
  };
  
  #ifdef __cplusplus
   extern "C" {
  #endif
  
  FREERDP_API int freerdp_split_color_planes(BYTE* data, UINT32 format, int width, int height, int scanline, BYTE* planes[4]);
  FREERDP_API BYTE* freerdp_bitmap_planar_compress_plane_rle(BYTE* plane, int width, int height, BYTE* outPlane, int* dstSize);
  FREERDP_API BYTE* freerdp_bitmap_planar_delta_encode_plane(BYTE* inPlane, int width, int height, BYTE* outPlane);
  FREERDP_API BOOL freerdp_bitmap_planar_delta_encode_planes(BYTE* inPlanes[4], int width, int height, BYTE* outPlanes[4]);
  
  FREERDP_API BYTE* freerdp_bitmap_compress_planar(BITMAP_PLANAR_CONTEXT* context, BYTE* data, UINT32 format,
  		int width, int height, int scanline, BYTE* dstData, int* pDstSize);
  
  FREERDP_API int freerdp_bitmap_planar_context_reset(BITMAP_PLANAR_CONTEXT* context);
  
  FREERDP_API BITMAP_PLANAR_CONTEXT* freerdp_bitmap_planar_context_new(DWORD flags, int maxWidth, int maxHeight);
  FREERDP_API void freerdp_bitmap_planar_context_free(BITMAP_PLANAR_CONTEXT* context);
  
  FREERDP_API int planar_decompress(BITMAP_PLANAR_CONTEXT* planar, BYTE* pSrcData, UINT32 SrcSize,
  		BYTE** ppDstData, DWORD DstFormat, int nDstStep, int nXDst, int nYDst, int nWidth, int nHeight, BOOL vFlip);
  
  #ifdef __cplusplus
   }
  #endif
  
  #endif /* FREERDP_CODEC_PLANAR_H */
  
  