diff options
Diffstat (limited to 'common/rfb/PixelTransformer.cxx')
| -rw-r--r-- | common/rfb/PixelTransformer.cxx | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/common/rfb/PixelTransformer.cxx b/common/rfb/PixelTransformer.cxx deleted file mode 100644 index 73ec349b..00000000 --- a/common/rfb/PixelTransformer.cxx +++ /dev/null @@ -1,202 +0,0 @@ -/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved. - * Copyright 2011 Pierre Ossman <ossman@cendio.se> for Cendio AB - * Copyright (C) 2011 D. R. Commander. All Rights Reserved. - * - * This is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation; either version 2 of the License, or - * (at your option) any later version. - * - * This software is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this software; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, - * USA. - */ -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <rfb/PixelFormat.h> -#include <rfb/Exception.h> -#include <rfb/PixelBuffer.h> -#include <rfb/PixelTransformer.h> - -using namespace rfb; - -static void noTransFn(void* table_, - const PixelFormat& inPF, const void* inPtr, int inStride, - const PixelFormat& outPF, void* outPtr, int outStride, - int width, int height) -{ - rdr::U8* ip = (rdr::U8*)inPtr; - rdr::U8* op = (rdr::U8*)outPtr; - int inStrideBytes = inStride * (inPF.bpp/8); - int outStrideBytes = outStride * (outPF.bpp/8); - int widthBytes = width * (outPF.bpp/8); - - while (height > 0) { - memcpy(op, ip, widthBytes); - ip += inStrideBytes; - op += outStrideBytes; - height--; - } -} - -#define BPPOUT 8 -#include "transInitTempl.h" -#define BPPIN 8 -#include "transTempl.h" -#undef BPPIN -#define BPPIN 16 -#include "transTempl.h" -#undef BPPIN -#define BPPIN 32 -#include "transTempl.h" -#undef BPPIN -#undef BPPOUT - -#define BPPOUT 16 -#include "transInitTempl.h" -#define BPPIN 8 -#include "transTempl.h" -#undef BPPIN -#define BPPIN 16 -#include "transTempl.h" -#undef BPPIN -#define BPPIN 32 -#include "transTempl.h" -#undef BPPIN -#undef BPPOUT - -#define BPPOUT 32 -#include "transInitTempl.h" -#define BPPIN 8 -#include "transTempl.h" -#undef BPPIN -#define BPPIN 16 -#include "transTempl.h" -#undef BPPIN -#define BPPIN 32 -#include "transTempl.h" -#undef BPPIN -#undef BPPOUT - - -// Translation functions. Note that transSimple* is only used for 8/16bpp and -// transRGB* is used for 16/32bpp - -static transFnType transSimpleFns[][3] = { - { transSimple8to8, transSimple8to16, transSimple8to32 }, - { transSimple16to8, transSimple16to16, transSimple16to32 }, -}; -static transFnType transRGBFns[][3] = { - { transRGB16to8, transRGB16to16, transRGB16to32 }, - { transRGB32to8, transRGB32to16, transRGB32to32 } -}; - -// Table initialisation functions. - -typedef void (*initFnType)(rdr::U8** tablep, const PixelFormat& inPF, - const PixelFormat& outPF); - -static initFnType initSimpleFns[] = { - initSimple8, initSimple16, initSimple32 -}; - -static initFnType initRGBFns[] = { - initRGB8, initRGB16, initRGB32 -}; - - -PixelTransformer::PixelTransformer(bool econ) - : economic(econ), table(0), transFn(0) -{ -} - -PixelTransformer::~PixelTransformer() -{ - delete [] table; -} - -void PixelTransformer::init(const PixelFormat& inPF_, - const PixelFormat& outPF_) -{ - inPF = inPF_; - outPF = outPF_; - - if (table) - delete [] table; - table = NULL; - transFn = NULL; - - if ((inPF.bpp != 8) && (inPF.bpp != 16) && (inPF.bpp != 32)) - throw Exception("PixelTransformer: bpp in not 8, 16 or 32"); - - if ((outPF.bpp != 8) && (outPF.bpp != 16) && (outPF.bpp != 32)) - throw Exception("PixelTransformer: bpp out not 8, 16 or 32"); - - if (inPF.equal(outPF)) { - transFn = noTransFn; - return; - } - - if ((inPF.bpp > 16) || (economic && (inPF.bpp == 16))) { - transFn = transRGBFns[inPF.bpp/32][outPF.bpp/16]; - (*initRGBFns[outPF.bpp/16]) (&table, inPF, outPF); - } else { - transFn = transSimpleFns[inPF.bpp/16][outPF.bpp/16]; - (*initSimpleFns[outPF.bpp/16]) (&table, inPF, outPF); - } -} - -const PixelFormat &PixelTransformer::getInPF() const -{ - return inPF; -} - -const PixelFormat &PixelTransformer::getOutPF() const -{ - return outPF; -} - -void PixelTransformer::translatePixels(const void* inPtr, void* outPtr, - int nPixels) const -{ - if (!transFn) - throw Exception("PixelTransformer: not initialised yet"); - - (*transFn)(table, inPF, inPtr, nPixels, - outPF, outPtr, nPixels, nPixels, 1); -} - -void PixelTransformer::translateRect(const void* inPtr, int inStride, - Rect inRect, - void* outPtr, int outStride, - Point outCoord) const -{ - char *in, *out; - - if (!transFn) - throw Exception("PixelTransformer: not initialised yet"); - - in = (char*)inPtr; - in += inPF.bpp/8 * inRect.tl.x; - in += (inStride * inPF.bpp/8) * inRect.tl.y; - - out = (char*)outPtr; - out += outPF.bpp/8 * outCoord.x; - out += (outStride * outPF.bpp/8) * outCoord.y; - - (*transFn)(table, inPF, in, inStride, - outPF, out, outStride, - inRect.width(), inRect.height()); -} - -bool PixelTransformer::willTransform(void) -{ - return transFn != NULL && transFn != noTransFn; -} |