87 lines
2.6 KiB
C++
87 lines
2.6 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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};
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static inline const uint8_t *end(const 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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static inline uint8_t *end(grs_bitmap &b)
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{
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return &b.get_bitmap_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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namespace dcx {
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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_bitmap_rle_compress(grs_bitmap &bmp);
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void gr_rle_expand_scanline_masked(uint8_t *dest, const uint8_t *src, int x1, int x2);
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void gr_rle_expand_scanline(uint8_t *dest, const uint8_t *src, int x1, int x2);
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grs_bitmap *_rle_expand_texture(const grs_bitmap &bmp);
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static inline const grs_bitmap *rle_expand_texture(const grs_bitmap &bmp) __attribute_warn_unused_result;
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static inline const grs_bitmap *rle_expand_texture(const grs_bitmap &bmp)
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{
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if (bmp.bm_flags & BM_FLAG_RLE)
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return _rle_expand_texture(bmp);
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return &bmp;
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}
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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, array<color_t, 256> &colormap);
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void gr_rle_expand_scanline_generic(grs_bitmap &dest, int dx, int dy, const ubyte *src, int x1, int x2 );
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}
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#endif
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#endif
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