80 lines
2.4 KiB
C++
80 lines
2.4 KiB
C++
/*
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* Portions of this file are copyright Rebirth contributors and licensed as
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* described in COPYING.txt.
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* Portions of this file are copyright Parallax Software and licensed
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* according to the Parallax license below.
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* See COPYING.txt for license details.
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THE COMPUTER CODE CONTAINED HEREIN IS THE SOLE PROPERTY OF PARALLAX
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SOFTWARE CORPORATION ("PARALLAX"). PARALLAX, IN DISTRIBUTING THE CODE TO
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END-USERS, AND SUBJECT TO ALL OF THE TERMS AND CONDITIONS HEREIN, GRANTS A
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ROYALTY-FREE, PERPETUAL LICENSE TO SUCH END-USERS FOR USE BY SUCH END-USERS
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IN USING, DISPLAYING, AND CREATING DERIVATIVE WORKS THEREOF, SO LONG AS
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SUCH USE, DISPLAY OR CREATION IS FOR NON-COMMERCIAL, ROYALTY OR REVENUE
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FREE PURPOSES. IN NO EVENT SHALL THE END-USER USE THE COMPUTER CODE
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CONTAINED HEREIN FOR REVENUE-BEARING PURPOSES. THE END-USER UNDERSTANDS
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AND AGREES TO THE TERMS HEREIN AND ACCEPTS THE SAME BY USE OF THIS FILE.
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COPYRIGHT 1993-1998 PARALLAX SOFTWARE CORPORATION. ALL RIGHTS RESERVED.
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*/
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/*
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*
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* Protypes for rle functions.
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*
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*/
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#ifndef _RLE_H
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#define _RLE_H
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#include "pstypes.h"
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#include "gr.h"
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#ifdef __cplusplus
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#include <cstdint>
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#include "dxxsconf.h"
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#include "compiler-begin.h"
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struct rle_position_t
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{
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const uint8_t *src;
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uint8_t *dst;
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rle_position_t(const uint8_t *src, uint8_t *dst) :
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src(src), dst(dst)
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{
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}
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};
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static inline uint8_t *end(grs_bitmap *b)
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{
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return b->bm_data + (b->bm_h * b->bm_w);
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}
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template <typename T1, typename T2>
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static inline rle_position_t rle_begin(const T1 &src, T2 &dst)
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{
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return {begin(src), begin(dst)};
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}
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template <typename T1, typename T2>
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static inline rle_position_t rle_end(const T1 &src, T2 &dst)
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{
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return {end(src), end(dst)};
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}
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rle_position_t gr_rle_decode(rle_position_t b, const rle_position_t e);
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int gr_rle_encode( int org_size, ubyte *src, ubyte *dest );
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int gr_rle_getsize( int org_size, ubyte *src );
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ubyte * gr_rle_find_xth_pixel( ubyte *src, int x,int * count, ubyte color );
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int gr_bitmap_rle_compress( grs_bitmap * bmp );
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void gr_rle_expand_scanline_masked( ubyte *dest, ubyte *src, int x1, int x2 );
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void gr_rle_expand_scanline( ubyte *dest, ubyte *src, int x1, int x2 );
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grs_bitmap * rle_expand_texture( grs_bitmap * bmp );
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void rle_cache_close();
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void rle_cache_flush();
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void rle_swap_0_255(grs_bitmap *bmp);
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void rle_remap(grs_bitmap *bmp, ubyte *colormap);
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void gr_rle_expand_scanline_generic( grs_bitmap * dest, int dx, int dy, ubyte *src, int x1, int x2 );
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#endif
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#endif
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