diff options
author | Reinhard Tartler <siretart@tauware.de> | 2011-11-13 09:27:51 +0100 |
---|---|---|
committer | Reinhard Tartler <siretart@tauware.de> | 2011-11-13 09:27:51 +0100 |
commit | 3e924126b56c4d421e8263d25f6b14aa4ceed047 (patch) | |
tree | 921403de7b834fb1ac89f97d84ce105e0b487051 /nxcomp/Unpack.h | |
parent | a840692edc9c6d19cd7c057f68e39c7d95eb767d (diff) | |
download | nx-libs-3e924126b56c4d421e8263d25f6b14aa4ceed047.tar.gz nx-libs-3e924126b56c4d421e8263d25f6b14aa4ceed047.tar.bz2 nx-libs-3e924126b56c4d421e8263d25f6b14aa4ceed047.zip |
Imported nxcomp-3.1.0-4.tar.gznxcomp/3.1.0-4
Summary: Imported nxcomp-3.1.0-4.tar.gz
Keywords:
Imported nxcomp-3.1.0-4.tar.gz
into Git repository
Diffstat (limited to 'nxcomp/Unpack.h')
-rwxr-xr-x | nxcomp/Unpack.h | 141 |
1 files changed, 141 insertions, 0 deletions
diff --git a/nxcomp/Unpack.h b/nxcomp/Unpack.h new file mode 100755 index 000000000..1ceac8c05 --- /dev/null +++ b/nxcomp/Unpack.h @@ -0,0 +1,141 @@ +/**************************************************************************/ +/* */ +/* Copyright (c) 2001, 2007 NoMachine, http://www.nomachine.com/. */ +/* */ +/* NXCOMP, NX protocol compression and NX extensions to this software */ +/* are copyright of NoMachine. Redistribution and use of the present */ +/* software is allowed according to terms specified in the file LICENSE */ +/* which comes in the source distribution. */ +/* */ +/* Check http://www.nomachine.com/licensing.html for applicability. */ +/* */ +/* NX and NoMachine are trademarks of NoMachine S.r.l. */ +/* */ +/* All rights reserved. */ +/* */ +/**************************************************************************/ + +#ifndef Unpack_H +#define Unpack_H + +#include "NXpack.h" + +#include "Z.h" + +#define LSBFirst 0 +#define MSBFirst 1 + +#define SPLIT_PATTERN 0x88 + +typedef ColorMask T_colormask; + +// +// Pixel geometry of channel's display. +// + +typedef struct +{ + unsigned int depth1_bpp; + unsigned int depth4_bpp; + unsigned int depth8_bpp; + unsigned int depth16_bpp; + unsigned int depth24_bpp; + unsigned int depth32_bpp; + + unsigned int red_mask; + unsigned int green_mask; + unsigned int blue_mask; + + unsigned int image_byte_order; + unsigned int bitmap_bit_order; + unsigned int scanline_unit; + unsigned int scanline_pad; + +} T_geometry; + +// +// Colormap is used to remap colors +// from source to destination depth. +// + +typedef struct +{ + unsigned int entries; + unsigned int *data; + +} T_colormap; + +// +// Alpha channel data is added to 32 +// bits images at the time they are +// unpacked. +// + +typedef struct +{ + unsigned int entries; + unsigned char *data; + +} T_alpha; + +// +// The ZLIB stream structure used for +// the decompression. +// + +extern z_stream unpackStream; + +// +// Initialize the ZLIB stream used for +// decompression. +// + +void UnpackInit(); + +// +// Free the ZLIB stream. +// + +void UnpackDestroy(); + +// +// Get the destination bits per pixel +// based on the drawable depth. +// + +int UnpackBitsPerPixel(T_geometry *geometry, unsigned int depth); + +// +// Unpack the source data into the X +// bitmap. +// + +int Unpack8(T_geometry *geometry, const T_colormask *colormask, int src_depth, int src_width, + int src_height, unsigned char *src_data, int src_size, int dst_depth, + int dst_width, int dst_height, unsigned char *dst_data, int dst_size); + +int Unpack16(T_geometry *geometry, const T_colormask *colormask, int src_depth, int src_width, + int src_height, unsigned char *src_data, int src_size, int dst_depth, + int dst_width, int dst_height, unsigned char *dst_data, int dst_size); + +int Unpack24(T_geometry *geometry, const T_colormask *colormask, int src_depth, int src_width, + int src_height, unsigned char *src_data, int src_size, int dst_depth, + int dst_width, int dst_height, unsigned char *dst_data, int dst_size); + +int Unpack8(T_geometry *geometry, T_colormap *colormap, int src_depth, int src_width, + int src_height, unsigned char *src_data, int src_size, int dst_depth, + int dst_width, int dst_height, unsigned char *dst_data, int dst_size); + +int Unpack15(T_geometry *geometry, int src_depth, int src_width, + int src_height, unsigned char *src_data, int src_size, int dst_depth, + int dst_width, int dst_height, unsigned char *dst_data, int dst_size); + +int Unpack16(T_geometry *geometry, int src_depth, int src_width, + int src_height, unsigned char *src_data, int src_size, int dst_depth, + int dst_width, int dst_height, unsigned char *dst_data, int dst_size); + +int Unpack24(T_geometry *geometry, int src_depth, int src_width, + int src_height, unsigned char *src_data, int src_size, int dst_depth, + int dst_width, int dst_height, unsigned char *dst_data, int dst_size); + +#endif /* Unpack_H */ |