95 lines
2.6 KiB
C
95 lines
2.6 KiB
C
/**
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* FreeRDP: A Remote Desktop Protocol Implementation
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* ClearCodec Bitmap Compression
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*
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* Copyright 2014 Marc-Andre Moreau <marcandre.moreau@gmail.com>
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef FREERDP_CODEC_CLEAR_H
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#define FREERDP_CODEC_CLEAR_H
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typedef struct _CLEAR_CONTEXT CLEAR_CONTEXT;
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#include <freerdp/api.h>
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#include <freerdp/types.h>
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#include <freerdp/codec/nsc.h>
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#include <freerdp/codec/color.h>
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#define CLEARCODEC_FLAG_GLYPH_INDEX 0x01
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#define CLEARCODEC_FLAG_GLYPH_HIT 0x02
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#define CLEARCODEC_FLAG_CACHE_RESET 0x04
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#define CLEARCODEC_VBAR_SIZE 32768
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#define CLEARCODEC_VBAR_SHORT_SIZE 16384
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struct _CLEAR_GLYPH_ENTRY
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{
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UINT32 size;
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UINT32 count;
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UINT32* pixels;
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};
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typedef struct _CLEAR_GLYPH_ENTRY CLEAR_GLYPH_ENTRY;
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struct _CLEAR_VBAR_ENTRY
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{
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UINT32 size;
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UINT32 count;
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BYTE* pixels;
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};
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typedef struct _CLEAR_VBAR_ENTRY CLEAR_VBAR_ENTRY;
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struct _CLEAR_CONTEXT
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{
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BOOL Compressor;
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NSC_CONTEXT* nsc;
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UINT32 seqNumber;
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BYTE* TempBuffer;
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UINT32 TempSize;
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UINT32 nTempStep;
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UINT32 TempFormat;
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UINT32 format;
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CLEAR_GLYPH_ENTRY GlyphCache[4000];
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UINT32 VBarStorageCursor;
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CLEAR_VBAR_ENTRY VBarStorage[CLEARCODEC_VBAR_SIZE];
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UINT32 ShortVBarStorageCursor;
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CLEAR_VBAR_ENTRY ShortVBarStorage[CLEARCODEC_VBAR_SHORT_SIZE];
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};
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#ifdef __cplusplus
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extern "C" {
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#endif
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FREERDP_API int clear_compress(CLEAR_CONTEXT* clear, BYTE* pSrcData,
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UINT32 SrcSize, BYTE** ppDstData, UINT32* pDstSize);
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FREERDP_API INT32 clear_decompress(CLEAR_CONTEXT* clear, const BYTE* pSrcData,
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UINT32 SrcSize, UINT32 nWidth, UINT32 nHeight,
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BYTE* pDstData, UINT32 DstFormat, UINT32 nDstStep,
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UINT32 nXDst, UINT32 nYDst, UINT32 nDstWidth, UINT32 nDstHeight,
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const gdiPalette* palette);
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FREERDP_API BOOL clear_context_reset(CLEAR_CONTEXT* clear);
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FREERDP_API CLEAR_CONTEXT* clear_context_new(BOOL Compressor);
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FREERDP_API void clear_context_free(CLEAR_CONTEXT* clear);
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#ifdef __cplusplus
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}
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#endif
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#endif /* FREERDP_CODEC_CLEAR_H */
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