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-rw-r--r--nxcomp/Unpack.cpp1510
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diff --git a/nxcomp/Unpack.cpp b/nxcomp/Unpack.cpp
deleted file mode 100644
index 50ae890b6..000000000
--- a/nxcomp/Unpack.cpp
+++ /dev/null
@@ -1,1510 +0,0 @@
-/**************************************************************************/
-/* */
-/* Copyright (c) 2001, 2011 NoMachine (http://www.nomachine.com) */
-/* Copyright (c) 2008-2014 Oleksandr Shneyder <o.shneyder@phoca-gmbh.de> */
-/* Copyright (c) 2014-2016 Ulrich Sibiller <uli42@gmx.de> */
-/* Copyright (c) 2014-2016 Mihai Moldovan <ionic@ionic.de> */
-/* Copyright (c) 2011-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
-/* Copyright (c) 2015-2016 Qindel Group (http://www.qindel.com) */
-/* */
-/* NXCOMP, NX protocol compression and NX extensions to this software */
-/* are copyright of the aforementioned persons and companies. */
-/* */
-/* Redistribution and use of the present software is allowed according */
-/* to terms specified in the file LICENSE.nxcomp which comes in the */
-/* source distribution. */
-/* */
-/* All rights reserved. */
-/* */
-/* NOTE: This software has received contributions from various other */
-/* contributors, only the core maintainers and supporters are listed as */
-/* copyright holders. Please contact us, if you feel you should be listed */
-/* as copyright holder, as well. */
-/* */
-/**************************************************************************/
-
-#include "Misc.h"
-#include "Unpack.h"
-
-#define PANIC
-#define WARNING
-#undef TEST
-#undef DEBUG
-
-//
-// Used for the ZLIB decompression
-// of RGB, alpha and colormap data.
-//
-
-z_stream unpackStream;
-
-static int unpackInitialized;
-
-int Unpack8To8(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end);
-
-int Unpack8To8(T_colormap *colormap, const unsigned char *data,
- unsigned char *out, unsigned char *end);
-
-int Unpack8To16(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end);
-
-int Unpack8To16(T_colormap *colormap, const unsigned char *data,
- unsigned char *out, unsigned char *end);
-
-int Unpack8To24(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end);
-
-int Unpack8To24(T_colormap *colormap, const unsigned char *data,
- unsigned char *out, unsigned char *end);
-
-int Unpack8To32(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end);
-
-int Unpack8To32(T_colormap *colormap, const unsigned char *data,
- unsigned char *out, unsigned char *end);
-
-int Unpack15To16(const unsigned char *data, unsigned char *out,
- unsigned char *end);
-
-int Unpack15To24(const unsigned char *data, unsigned char *out,
- unsigned char *end);
-
-int Unpack15To32(const unsigned char *data, unsigned char *out,
- unsigned char *end);
-
-int Unpack16To16(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end);
-
-int Unpack16To16(const unsigned char *data, unsigned char *out,
- unsigned char *end, int imageByteOrder);
-
-int Unpack16To24(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end);
-
-int Unpack16To24(const unsigned char *data, unsigned char *out,
- unsigned char *end, int imageByteOrder);
-
-int Unpack16To32(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end);
-
-int Unpack16To32(const unsigned char *data, unsigned char *out,
- unsigned char *end, int imageByteOrder);
-
-int Unpack24To24(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end);
-
-int Unpack24To24(const unsigned char *data, unsigned char *out,
- unsigned char *end);
-
-int Unpack24To32(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end);
-
-int Unpack24To32(const unsigned char *data, unsigned char *out, unsigned char *end);
-
-int Unpack32To32(const T_colormask *colormask, const unsigned int *data,
- unsigned int *out, unsigned int *end);
-
-
-void UnpackInit()
-{
- if (unpackInitialized == 0)
- {
- unpackStream.zalloc = (alloc_func) 0;
- unpackStream.zfree = (free_func) 0;
- unpackStream.opaque = (voidpf) 0;
-
- unpackStream.next_in = (Bytef *) 0;
- unpackStream.avail_in = 0;
-
- int result = inflateInit2(&unpackStream, 15);
-
- if (result != Z_OK)
- {
- #ifdef PANIC
- *logofs << "UnpackInit: PANIC! Cannot initialize the Z stream "
- << "for decompression. Error is '" << zError(result)
- << "'.\n" << logofs_flush;
- #endif
-
- cerr << "Error" << ": Cannot initialize the Z stream for "
- << "decompression. Error is '" << zError(result)
- << "'.\n";
- }
- else
- {
- unpackInitialized = 1;
- }
- }
-}
-
-void UnpackDestroy()
-{
- if (unpackInitialized == 1)
- {
- inflateEnd(&unpackStream);
-
- unpackInitialized = 0;
- }
-}
-
-//
-// Get bits per pixel set by client
-// according to display geometry.
-//
-
-int UnpackBitsPerPixel(T_geometry *geometry, unsigned int depth)
-{
- switch (depth)
- {
- case 1:
- {
- return geometry -> depth1_bpp;
- }
- case 4:
- {
- return geometry -> depth4_bpp;
- }
- case 8:
- {
- return geometry -> depth8_bpp;
- }
- case 15:
- case 16:
- {
- return geometry -> depth16_bpp;
- }
- case 24:
- {
- return geometry -> depth24_bpp;
- }
- case 32:
- {
- return geometry -> depth32_bpp;
- }
- default:
- {
- return 0;
- }
- }
-}
-
-int Unpack8To8(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end)
-{
- #ifdef TEST
- *logofs << "Unpack8To8: Unpacking " << end - out
- << " bytes of data.\n" << logofs_flush;
- #endif
-
- memcpy(out, data, end - out);
-
- return 1;
-}
-
-int Unpack8To16(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end)
-{
- #ifdef TEST
- *logofs << "Unpack8To16: Unpacking " << end - out
- << " bytes of data.\n" << logofs_flush;
- #endif
-
- unsigned short *out16 = (unsigned short *) out;
- unsigned short *end16 = (unsigned short *) end;
-
- while (out16 < end16)
- {
- if (*data == 0)
- {
- *out16 = 0x0;
- }
- else if (*data == 0xff)
- {
- *out16 = 0xffff;
- }
- else
- {
- //
- // Pixel layout:
- //
- // 8bits 00RRGGBB -> 16bits RR000GG0 000BB000.
- //
-
- *out16 = (((((*data & 0x30) << 2) | colormask -> correction_mask) << 8) & 0xf800) |
- (((((*data & 0xc) << 4) | colormask -> correction_mask) << 3) & 0x7e0) |
- (((((*data & 0x3) << 6) | colormask -> correction_mask) >> 3) & 0x1f);
- }
-
- out16++;
- data++;
- }
-
- return 1;
-}
-
-int Unpack8To24(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end)
-{
- #ifdef TEST
- *logofs << "Unpack8To24: Unpacking " << end - out
- << " bytes of data.\n" << logofs_flush;
- #endif
-
- while (out < (end - 2))
- {
- if (*data == 0x00)
- {
- out[0] = out[1] = out[2] = 0x00;
- }
- else if (*data == 0xff)
- {
- out[0] = out[1] = out[2] = 0xff;
- }
- else
- {
- //
- // Pixel layout:
- //
- // 8bits 00RRGGBB -> 24bits RR000000 GG00000 BB000000.
- //
-
- out[0] = (((*data & 0x30) << 2) | colormask -> correction_mask);
- out[1] = (((*data & 0x0c) << 4) | colormask -> correction_mask);
- out[2] = (((*data & 0x03) << 6) | colormask -> correction_mask);
- }
-
- out += 3;
- data += 1;
- }
-
- return 1;
-}
-
-int Unpack8To32(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end)
-{
- #ifdef TEST
- *logofs << "Unpack8To32: Unpacking " << end - out
- << " bytes of data.\n" << logofs_flush;
- #endif
-
- unsigned int *out32 = (unsigned int *) out;
- unsigned int *end32 = (unsigned int *) end;
-
- while (out32 < end32)
- {
- if (*data == 0)
- {
- *out32 = 0x0;
- }
- else if (*data == 0xff)
- {
- *out32 = 0xffffff;
- }
- else
- {
- *out32 = ((((*data & 0x30) << 2) | colormask -> correction_mask) << 16) |
- ((((*data & 0xc) << 4) | colormask -> correction_mask) << 8) |
- (((*data & 0x3) << 6) | colormask -> correction_mask);
- }
-
- out32++;
- data++;
- }
-
- return 1;
-}
-
-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 dst_bpp = UnpackBitsPerPixel(geometry, dst_depth);
-
- int (*unpack)(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end);
-
- switch (dst_bpp)
- {
- case 8:
- {
- unpack = Unpack8To8;
-
- break;
- }
- case 16:
- {
- unpack = Unpack8To16;
-
- break;
- }
- case 24:
- {
- unpack = Unpack8To24;
-
- break;
- }
- case 32:
- {
- unpack = Unpack8To32;
-
- break;
- }
- default:
- {
- #ifdef PANIC
- *logofs << "Unpack8: PANIC! Bad destination bits per pixel "
- << dst_bpp << ". Only 16/24/32 are supported.\n"
- << logofs_flush;
- #endif
-
- return -1;
- }
- }
-
- if (dst_bpp == 24)
- {
- unsigned char *dst_end = dst_data;
-
- #ifdef TEST
- *logofs << "Unpack8: Handling 24 bits with dst_size "
- << dst_size << ".\n" << logofs_flush;
- #endif
-
- for (int y = 0; y < dst_height; y++)
- {
- dst_data = dst_end;
-
- dst_end += RoundUp4(dst_width * 3);
-
- (*unpack)(colormask, src_data, dst_data, dst_end);
-
- src_data += src_width;
- }
- }
- else
- {
- unsigned char *dst_end = dst_data + dst_size;
-
- (*unpack)(colormask, src_data, dst_data, dst_end);
- }
-
- return 1;
-}
-
-int Unpack16To16(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end)
-{
- #ifdef TEST
- *logofs << "Unpack16To16: Unpacking " << end - out
- << " bytes of data.\n" << logofs_flush;
- #endif
-
- if (colormask -> correction_mask)
- {
- unsigned short *data16 = (unsigned short *) data;
-
- unsigned short *out16 = (unsigned short *) out;
- unsigned short *end16 = (unsigned short *) end;
-
- while (out16 < end16)
- {
- if (*data16 == 0x0000)
- {
- *out16 = 0x0000;
- }
- else if (*data16 == 0xffff)
- {
- *out16 = 0xffff;
- }
- else
- {
- //
- // Pixel layout:
- //
- // 16bit RRRRRGGG GG0BBBBB -> RRRRRGGG GGGBBBBB.
- //
-
- *out16 = (((((*data16 & 0xf100) >> 8) | colormask -> correction_mask) << 8) & 0xf800) |
- (((((*data16 & 0x7c0) >> 3) | colormask -> correction_mask) << 3) & 0x7e0) |
- (((((*data16 & 0x1f) << 3) | colormask -> correction_mask) >> 3) & 0x1f);
- }
-
- out16++;
- data16++;
- }
- }
- else
- {
- #ifdef TEST
- *logofs << "Unpack16To16: Using bitwise copy due to null correction mask.\n"
- << logofs_flush;
- #endif
-
- memcpy((unsigned char *) out, (unsigned char *) data, end - out);
- }
-
- return 1;
-}
-
-int Unpack16To24(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end)
-{
- #ifdef TEST
- *logofs << "Unpack16To24: Unpacking " << end - out
- << " bytes of data.\n" << logofs_flush;
- #endif
-
- unsigned short *data16 = (unsigned short *) data;
-
-
- while (out < end - 2)
- {
- if (*data16 == 0x0)
- {
- out[0] = 0x00;
- out[1] = 0x00;
- out[2] = 0x00;
- }
- else if (*data16 == 0xffff)
- {
- out[0] = 0xff;
- out[1] = 0xff;
- out[2] = 0xff;
- }
- else
- {
- #ifdef TEST
- *logofs << "Unpack16To24: Pixel [" << *data16 << "]\n"
- << logofs_flush;
- #endif
-
- //
- // Pixel layout:
- //
- // 16bit 0RRRRRGG GGGBBBBB -> 24 bit RRRRR000 GGGGG000 BBBBB000
- //
-
- out[0] = (((*data16 & 0x7c00) >> 7) | colormask -> correction_mask);
- out[1] = (((*data16 & 0x03e0) >> 2) | colormask -> correction_mask);
- out[2] = (((*data16 & 0x001f) << 3) | colormask -> correction_mask);
- }
-
- out += 3;
- data16 += 1;
- }
-
- return 1;
-}
-
-int Unpack16To32(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end)
-{
- #ifdef TEST
- *logofs << "Unpack16To32: Unpacking " << end - out
- << " bytes of data.\n" << logofs_flush;
- #endif
-
- unsigned short *data16 = (unsigned short *) data;
-
- unsigned int *out32 = (unsigned int *) out;
- unsigned int *end32 = (unsigned int *) end;
-
- while (out32 < end32)
- {
- if (*data16 == 0x0)
- {
- *out32 = 0x0;
- }
- else if (*data16 == 0xffff)
- {
- *out32 = 0xffffff;
- }
- else
- {
- *out32 = ((((*data16 & 0x7c00) >> 7) | colormask -> correction_mask) << 16) |
- ((((*data16 & 0x3e0) >> 2) | colormask -> correction_mask) << 8) |
- (((*data16 & 0x1f) << 3) | colormask -> correction_mask);
- }
-
- out32++;
- data16++;
- }
-
- return 1;
-}
-
-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 dst_bpp = UnpackBitsPerPixel(geometry, dst_depth);
-
- int (*unpack)(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end);
-
- switch (dst_bpp)
- {
- case 16:
- {
- unpack = Unpack16To16;
-
- break;
- }
- case 24:
- {
- unpack = Unpack16To24;
-
- break;
- }
- case 32:
- {
- unpack = Unpack16To32;
-
- break;
- }
- default:
- {
- #ifdef PANIC
- *logofs << "Unpack16: PANIC! Bad destination bits per pixel "
- << dst_bpp << ". Only 24/32 are supported.\n"
- << logofs_flush;
- #endif
-
- return -1;
- }
- }
-
- if (dst_bpp == 24)
- {
- unsigned char *dst_end = dst_data;
-
- for (int y = 0; y < dst_height; y++)
- {
- dst_data = dst_end;
-
- dst_end += RoundUp4(dst_width * 3);
-
- (*unpack)(colormask, src_data, dst_data, dst_end);
-
- src_data += (src_width * 2);
- }
-
- }
- else
- {
- unsigned char *dst_end = dst_data + dst_size;
-
- (*unpack)(colormask, src_data, dst_data, dst_end);
- }
-
- return 1;
-}
-
-int Unpack24To24(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end)
-{
- #ifdef TEST
- *logofs << "Unpack24To24: Unpacking " << end - out
- << " bytes of data.\n" << logofs_flush;
- #endif
-
- if (colormask -> correction_mask)
- {
- while (out < end)
- {
- if (data[0] == 0x00 &&
- data[1] == 0x00 &&
- data[2] == 0x00)
- {
- out[0] = out[1] = out[2] = 0x00;
- }
- else if (data[0] == 0xff &&
- data[1] == 0xff &&
- data[2] == 0xff)
- {
- out[0] = out[1] = out[2] = 0xff;
- }
- else
- {
- out[0] = (data[0] | colormask -> correction_mask);
- out[1] = (data[1] | colormask -> correction_mask);
- out[2] = (data[2] | colormask -> correction_mask);
- }
-
- out += 3;
- data += 3;
- }
- }
- else
- {
- #ifdef TEST
- *logofs << "Unpack24To24: Using bitwise copy due to null correction mask.\n"
- << logofs_flush;
- #endif
-
- memcpy((unsigned char *) out, (unsigned char *) data, end - out);
- }
-
- return 1;
-}
-
-int Unpack24To32(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end)
-{
- #ifdef TEST
- *logofs << "Unpack24To32: Unpacking " << end - out
- << " bytes of data.\n" << logofs_flush;
- #endif
-
- unsigned int *out32 = (unsigned int *) out;
- unsigned int *end32 = (unsigned int *) end;
-
- while (out32 < end32)
- {
- if (colormask -> color_mask == 0xff)
- {
- *out32 = (data[0] << 16) | (data[1] << 8) | data[2];
- }
- else
- {
- if (data[0] == 0x0 && data[1] == 0x0 && data[2] == 0x0)
- {
- *out32 = 0x0;
- }
- else if (data[0] == 0xff && data[1] == 0xff && data[2] == 0xff)
- {
- *out32 = 0xffffff;
- }
- else
- {
- *out32 = (((unsigned int) data[0] | colormask -> correction_mask) << 16) |
- (((unsigned int) data[1] | colormask -> correction_mask) << 8) |
- ((unsigned int) data[2] | colormask -> correction_mask);
- }
- }
-
- out32 += 1;
- data += 3;
- }
-
- return 1;
-}
-
-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 dst_bpp = UnpackBitsPerPixel(geometry, dst_depth);
-
- int (*unpack)(const T_colormask *colormask, const unsigned char *data,
- unsigned char *out, unsigned char *end);
-
- switch (dst_bpp)
- {
- case 24:
- {
- unpack = Unpack24To24;
-
- break;
- }
- case 32:
- {
- unpack = Unpack24To32;
-
- break;
- }
- default:
- {
- #ifdef PANIC
- *logofs << "Unpack24: PANIC! Bad destination bits per pixel "
- << dst_bpp << ". Only 32 is supported.\n"
- << logofs_flush;
- #endif
-
- return -1;
- }
- }
-
- if (dst_bpp == 24)
- {
- unsigned char *dst_end;
- unsigned long scanline_size = RoundUp4(dst_width * dst_bpp / 8);
-
- dst_end = dst_data;
-
- #ifdef TEST
- *logofs << "Unpack24: Handling 24 bits with dst_height "
- << dst_height << " scanline_size " << scanline_size
- << " dst_size " << dst_size << ".\n" << logofs_flush;
- #endif
-
- for (int y = 0; y < dst_height; y++)
- {
- dst_data = dst_end;
-
- dst_end += scanline_size;
-
- (*unpack)(colormask, src_data, dst_data, dst_end);
-
- src_data += scanline_size;
- }
- }
- else
- {
- unsigned char *dst_end = dst_data + dst_size;
-
- (*unpack)(colormask, src_data, dst_data, dst_end);
- }
-
- return 1;
-}
-
-int Unpack8To8(T_colormap *colormap, const unsigned char *data,
- unsigned char *out, unsigned char *end)
-{
- #ifdef TEST
- *logofs << "Unpack8To8: Unpacking " << end - out
- << " bytes of colormapped data.\n"
- << logofs_flush;
- #endif
-
- while (out < end)
- {
- *(out++) = (unsigned char) colormap -> data[*(data++)];
- }
-
- return 1;
-}
-
-int Unpack8To16(T_colormap *colormap, const unsigned char *data,
- unsigned char *out, unsigned char *end)
-{
- #ifdef TEST
- *logofs << "Unpack8To16: Unpacking " << end - out
- << " bytes of colormapped data.\n"
- << logofs_flush;
- #endif
-
- unsigned short *out16 = (unsigned short *) out;
- unsigned short *end16 = (unsigned short *) end;
-
- while (out16 < end16)
- {
- *(out16++) = (unsigned short) colormap -> data[*(data++)];
- }
-
- return 1;
-}
-
-int Unpack8To24(T_colormap *colormap, const unsigned char *data,
- unsigned char *out, unsigned char *end)
-{
- #ifdef TEST
- *logofs << "Unpack8To24: Unpacking " << end - out
- << " bytes of colormapped data.\n"
- << logofs_flush;
- #endif
-
- unsigned int value;
-
- while (out < end)
- {
- value = colormap -> data[*(data++)];
-
- *(out++) = value;
- *(out++) = value >> 8;
- *(out++) = value >> 16;
- }
-
- return 1;
-}
-
-int Unpack8To32(T_colormap *colormap, const unsigned char *data,
- unsigned char *out, unsigned char *end)
-{
- #ifdef TEST
- *logofs << "Unpack8To32: Unpacking " << end - out
- << " bytes of colormapped data.\n"
- << logofs_flush;
- #endif
-
- unsigned int *out32 = (unsigned int *) out;
- unsigned int *end32 = (unsigned int *) end;
-
- while (out32 < end32)
- {
- *(out32++) = colormap -> data[*(data++)];
- }
-
- return 1;
-}
-
-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)
-{
- if (src_depth != 8)
- {
- #ifdef PANIC
- *logofs << "Unpack8: PANIC! Cannot unpack colormapped image of source depth "
- << src_depth << ".\n" << logofs_flush;
- #endif
-
- return -1;
- }
-
- int (*unpack)(T_colormap *colormap, const unsigned char *data,
- unsigned char *out, unsigned char *end);
-
- int dst_bpp = UnpackBitsPerPixel(geometry, dst_depth);
-
- switch (dst_bpp)
- {
- case 8:
- {
- unpack = Unpack8To8;
-
- break;
- }
- case 16:
- {
- unpack = Unpack8To16;
-
- break;
- }
- case 24:
- {
- unpack = Unpack8To24;
-
- break;
- }
- case 32:
- {
- unpack = Unpack8To32;
-
- break;
- }
- default:
- {
- #ifdef PANIC
- *logofs << "Unpack8: PANIC! Bad destination bits per pixel "
- << dst_bpp << ". Only 8/16/24/32 are supported.\n"
- << logofs_flush;
- #endif
-
- return -1;
- }
- }
-
- if (src_width == dst_width &&
- src_height == dst_height)
- {
- unsigned char *dst_end = dst_data + dst_size;
-
- (*unpack)(colormap, src_data, dst_data, dst_end);
- }
- else if (src_width >= dst_width &&
- src_height >= dst_height)
- {
- unsigned char *dst_end = dst_data;
-
- for (int y = 0; y < dst_height; y++)
- {
- dst_data = dst_end;
-
- dst_end += RoundUp4(dst_width * dst_bpp / 8);
-
- (*unpack)(colormap, src_data, dst_data, dst_end);
-
- src_data += src_width;
- }
- }
- else
- {
- #ifdef PANIC
- *logofs << "Unpack8: PANIC! Cannot unpack image. "
- << "Destination area " << dst_width << "x"
- << dst_height << " is not fully contained in "
- << src_width << "x" << src_height << " source.\n"
- << logofs_flush;
- #endif
-
- return -1;
- }
-
- return 1;
-}
-
-int Unpack15To16(const unsigned char *data, unsigned char *out, unsigned char *end)
-{
- #ifdef TEST
- *logofs << "Unpack15To16: Unpacking " << end - out
- << " bytes of colormapped data.\n"
- << logofs_flush;
- #endif
-
- unsigned short *data16 = (unsigned short *) data;
- unsigned short *out16 = (unsigned short *) out;
- unsigned short *end16 = (unsigned short *) end;
-
- while (out16 < end16)
- {
- if (*data16 == 0x0)
- {
- *out16 = 0x0;
- }
- else if (*data16 == 0x7fff)
- {
- *out16 = 0xffff;
- }
- else
- {
- #ifdef TEST
- *logofs << "Unpack15To16: Pixel [" << *data16 << "]\n"
- << logofs_flush;
- #endif
-
- *out16 = ((*data16 & 0x7ff0) << 1) |
- (*data16 & 0x001f);
- }
-
- out16 += 1;
- data16 += 1;
- }
-
- return 1;
-}
-
-int Unpack15To24(const unsigned char *data, unsigned char *out, unsigned char *end)
-
-{
- #ifdef TEST
- *logofs << "Unpack15To24: Unpacking " << end - out
- << " bytes of data.\n" << logofs_flush;
- #endif
-
- unsigned short *data16 = (unsigned short *) data;
-
- while (out < end - 2)
- {
- if (*data16 == 0x0)
- {
- out[0] = 0x00;
- out[1] = 0x00;
- out[2] = 0x00;
- }
- else if (*data16 == 0x7fff)
- {
- out[0] = 0xff;
- out[1] = 0xff;
- out[2] = 0xff;
- }
- else
- {
- #ifdef TEST
- *logofs << "Unpack15To24: Pixel [" << *data16 << "]\n"
- << logofs_flush;
- #endif
-
- out[0] = ((*data16 >> 7) & 0xf8) | ((*data16 >> 12) & 0x07);
- out[1] = ((*data16 >> 2) & 0xf8) | ((*data16 >> 8) & 0x07);
- out[2] = ((*data16 << 3) & 0xf8) | ((*data16 >> 2) & 0x07);
- }
-
- out += 3;
- data16 += 1;
- }
-
- return 1;
-}
-
-int Unpack15To32(const unsigned char *data, unsigned char *out, unsigned char *end)
-{
- #ifdef TEST
- *logofs << "Unpack15To32: Unpacking " << end - out
- << " bytes of data.\n"
- << logofs_flush;
- #endif
-
- unsigned short *data16 = (unsigned short *) data;
- unsigned int *out32 = (unsigned int *) out;
- unsigned int *end32 = (unsigned int *) end;
-
- while (out32 < end32)
- {
- if (*data16 == 0x0)
- {
- *out32 = 0x0;
- }
- else if (*data16 == 0xffff)
- {
- *out32 = 0xffffff;
- }
- else
- {
- *out32 = ((((*data16 >> 7) & 0xf8) | ((*data16 >> 12) & 0x07)) << 16) |
- ((((*data16 >> 2) & 0xf8) | ((*data16 >> 8) & 0x07)) << 8) |
- (((*data16 << 3) & 0xf8) | ((*data16 >> 2) & 0x07));
- }
-
- out32++;
- data16++;
- }
-
- return 1;
-}
-
-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)
-{
- if (src_depth != 16)
- {
- #ifdef PANIC
- *logofs << "Unpack15: PANIC! Cannot unpack colormapped image of source depth "
- << src_depth << ".\n" << logofs_flush;
- #endif
-
- return -1;
- }
-
- int (*unpack)(const unsigned char *data, unsigned char *out, unsigned char *end);
-
- int dst_bpp = UnpackBitsPerPixel(geometry, dst_depth);
-
- switch (dst_bpp)
- {
- case 16:
- {
- unpack = Unpack15To16;
-
- break;
- }
- case 24:
- {
- unpack = Unpack15To24;
-
- break;
- }
- case 32:
- {
- unpack = Unpack15To32;
-
- break;
- }
- default:
- {
- #ifdef PANIC
- *logofs << "Unpack15: PANIC! Bad destination bits per pixel "
- << dst_bpp << ". Only 16/24/32 are supported.\n"
- << logofs_flush;
- #endif
-
- return -1;
- }
- }
-
- if (src_width == dst_width && src_height == dst_height)
- {
- unsigned char *dst_end = dst_data + dst_size;
-
- (*unpack)(src_data, dst_data, dst_end);
- }
- else if (src_width >= dst_width && src_height >= dst_height)
- {
- unsigned char *dst_end = dst_data;
-
- for (int y = 0; y < dst_height; y++)
- {
- dst_data = dst_end;
- dst_end += RoundUp4(dst_width * dst_bpp / 8);
-
- (*unpack)(src_data, dst_data, dst_end);
-
- src_data += src_width * 2;
- }
- }
- else
- {
- #ifdef PANIC
- *logofs << "Unpack15: PANIC! Cannot unpack image. "
- << "Destination area " << dst_width << "x"
- << dst_height << " is not fully contained in "
- << src_width << "x" << src_height << " source.\n"
- << logofs_flush;
- #endif
-
- return -1;
- }
-
- return 1;
-}
-
-int Unpack16To16(const unsigned char *data, unsigned char *out,
- unsigned char *end, int imageByteOrder)
-{
- #ifdef TEST
- *logofs << "Unpack16To16: Unpacking " << end - out
- << " bytes of colormapped data.\n"
- << logofs_flush;
- #endif
-
- memcpy((unsigned char *) out, (unsigned char *) data, end - out);
-
- return 1;
-}
-
-int Unpack16To24(const unsigned char *data, unsigned char *out,
- unsigned char *end, int imageByteOrder)
-
-{
- #ifdef TEST
- *logofs << "Unpack16To24: Unpacking " << end - out
- << " bytes of data.\n" << logofs_flush;
- #endif
-
- unsigned short *data16 = (unsigned short *) data;
-
- while (out < end - 2)
- {
- if (*data16 == 0x0)
- {
- out[0] = 0x00;
- out[1] = 0x00;
- out[2] = 0x00;
- }
- else if (*data16 == 0xffff)
- {
- out[0] = 0xff;
- out[1] = 0xff;
- out[2] = 0xff;
- }
- else
- {
- #ifdef TEST
- *logofs << "Unpack16To24: Pixel [" << *data16 << "]\n"
- << logofs_flush;
- #endif
-
- out[0] = ((*data16 >> 8) & 0xf8) | ((*data16 >> 13) & 0x07);
- out[1] = ((*data16 >> 3) & 0xfc) | ((*data16 >> 9) & 0x03);
- out[2] = ((*data16 << 3) & 0xf8) | ((*data16 >> 2) & 0x07);
- }
-
- out += 3;
- data16 += 1;
- }
-
- return 1;
-}
-
-
-int Unpack16To32(const unsigned char *data, unsigned char *out,
- unsigned char *end, int imageByteOrder)
-{
- #ifdef TEST
- *logofs << "Unpack16To32: Unpacking " << end - out
- << " bytes of data.\n"
- << logofs_flush;
- #endif
-
- unsigned short *data16 = (unsigned short *) data;
- unsigned int *out32 = (unsigned int *) out;
- unsigned int *end32 = (unsigned int *) end;
-
- unsigned short pixel16;
- unsigned int pixel32;
-
- while (out32 < end32)
- {
-
- pixel16 = GetUINT((unsigned char *)data16, 0);
-
- if (pixel16 == 0x0)
- {
- PutULONG(0x0, (unsigned char *) out32, imageByteOrder);
- }
- else if (pixel16 == 0xffff)
- {
- PutULONG(0xffffff, (unsigned char *) out32, imageByteOrder);
- }
- else
- {
- pixel32 = ((((pixel16 >> 8) & 0xf8) | ((pixel16 >> 13) & 0x07)) << 16) |
- ((((pixel16 >> 3) & 0xfc) | ((pixel16 >> 9) & 0x03)) << 8) |
- (((pixel16 << 3) & 0xf8) | ((pixel16 >> 2) & 0x07));
-
- PutULONG(pixel32, (unsigned char *) out32, imageByteOrder);
- }
-
- out32++;
- data16++;
- }
- return 1;
-}
-
-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 imageByteOrder = geometry -> image_byte_order;
-
- if (src_depth != 16)
- {
- #ifdef PANIC
- *logofs << "Unpack16: PANIC! Cannot unpack colormapped image of source depth "
- << src_depth << ".\n" << logofs_flush;
- #endif
-
- return -1;
- }
-
- int (*unpack)(const unsigned char *data, unsigned char *out,
- unsigned char *end, int imageByteOrder);
-
- int dst_bpp = UnpackBitsPerPixel(geometry, dst_depth);
-
- switch (dst_bpp)
- {
- case 16:
- {
- unpack = Unpack16To16;
-
- break;
- }
- case 24:
- {
- unpack = Unpack16To24;
-
- break;
- }
- case 32:
- {
- unpack = Unpack16To32;
-
- break;
- }
- default:
- {
- #ifdef PANIC
- *logofs << "Unpack16: PANIC! Bad destination bits per pixel "
- << dst_bpp << ". Only 16/24/32 are supported.\n"
- << logofs_flush;
- #endif
-
- return -1;
- }
- }
-
- if (src_width == dst_width && src_height == dst_height)
- {
- unsigned char *dst_end = dst_data + dst_size;
-
- (*unpack)(src_data, dst_data, dst_end, imageByteOrder);
- }
- else if (src_width >= dst_width && src_height >= dst_height)
- {
- unsigned char *dst_end = dst_data;
-
- for (int y = 0; y < dst_height; y++)
- {
- dst_data = dst_end;
- dst_end += RoundUp4(dst_width * dst_bpp / 8);
-
- (*unpack)(src_data, dst_data, dst_end, imageByteOrder);
-
- src_data += src_width * 2;
- }
- }
- else
- {
- #ifdef PANIC
- *logofs << "Unpack16: PANIC! Cannot unpack image. "
- << "Destination area " << dst_width << "x"
- << dst_height << " is not fully contained in "
- << src_width << "x" << src_height << " source.\n"
- << logofs_flush;
- #endif
-
- return -1;
- }
-
- return 1;
-}
-
-int Unpack24To24(const unsigned char *data,
- unsigned char *out, unsigned char *end)
-{
- #ifdef TEST
- *logofs << "Unpack124To24: Unpacking " << end - out
- << " bytes of colormapped data.\n"
- << logofs_flush;
- #endif
-
- while (out < end)
- {
- *(out++) = *(data++);
- }
-
- return 1;
-}
-
-int Unpack24To32(const unsigned char *data, unsigned char *out, unsigned char *end)
-{
- #ifdef TEST
- *logofs << "Unpack24To32: Unpacking " << end - out
- << " bytes of colormapped data.\n"
- << logofs_flush;
- #endif
-
- unsigned int *out32 = (unsigned int *) out;
- unsigned int *end32 = (unsigned int *) end;
-
- while (out32 < end32)
- {
- if (data[0] == 0x0 && data[1] == 0x0 && data[2] == 0x0)
- {
- *out32 = 0x0;
- }
- else if (data[0] == 0xff && data[1] == 0xff && data[2] == 0xff)
- {
- *out32 = 0xffffff;
- }
- else
- {
- *out32 = (data[2] << 16) | (data[1] << 8) | data[0];
- }
-
- out32 += 1;
- data += 3;
- }
-
- return 1;
-}
-
-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)
-
-{
- if (src_depth != 24)
- {
- #ifdef PANIC
- *logofs << "Unpack24: PANIC! Cannot unpack colormapped image of source depth "
- << src_depth << ".\n" << logofs_flush;
- #endif
-
- return -1;
- }
-
- int (*unpack)(const unsigned char *data, unsigned char *out, unsigned char *end);
-
- int dst_bpp = UnpackBitsPerPixel(geometry, dst_depth);
-
- switch (dst_bpp)
- {
- case 24:
- {
- unpack = Unpack24To24;
-
- break;
- }
- case 32:
- {
- unpack = Unpack24To32;
-
- break;
- }
- default:
- {
- #ifdef PANIC
- *logofs << "Unpack24: PANIC! Bad destination bits per pixel "
- << dst_bpp << ". Only 24/32 are supported.\n"
- << logofs_flush;
- #endif
-
- return -1;
- }
- }
-
- if (src_width == dst_width && src_height == dst_height)
- {
- unsigned char *dst_end = dst_data + dst_size;
-
- (*unpack)(src_data, dst_data, dst_end);
- }
- else if (src_width >= dst_width && src_height >= dst_height)
- {
- unsigned char *dst_end = dst_data;
-
- for (int y = 0; y < dst_height; y++)
- {
- dst_data = dst_end;
- dst_end += RoundUp4(dst_width * dst_bpp / 8);
-
- (*unpack)(src_data, dst_data, dst_end);
-
- src_data += src_width * 3;
- }
- }
- else
- {
- #ifdef PANIC
- *logofs << "Unpack24: PANIC! Cannot unpack image. "
- << "Destination area " << dst_width << "x"
- << dst_height << " is not fully contained in "
- << src_width << "x" << src_height << " source.\n"
- << logofs_flush;
- #endif
-
- return -1;
- }
-
- return 1;
-}
-
-int Unpack32To32(const T_colormask *colormask, const unsigned int *data,
- unsigned int *out, unsigned int *end)
-{
- #ifdef TEST
- *logofs << "Unpack32To32: Unpacking " << end - out
- << " bytes of data.\n" << logofs_flush;
- #endif
-
- if (colormask -> correction_mask)
- {
- while (out < end)
- {
- if (*data == 0x00000000)
- {
- *out = 0x00000000;
- }
- else if (*data == 0xFFFFFFFF)
- {
- *out = 0xFFFFFFFF;
- }
- else
- {
- *out = *data | ((colormask -> correction_mask << 16) |
- (colormask -> correction_mask << 8) |
- colormask -> correction_mask);
- }
-
- out += 1;
- data += 1;
- }
- }
- else
- {
- #ifdef TEST
- *logofs << "Unpack32To32: Using bitwise copy due to null correction mask.\n"
- << logofs_flush;
- #endif
-
- memcpy((unsigned char *) out, (unsigned char *) data, end - out);
- }
-
- return 1;
-}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-30 07:42:10 +0000