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Diffstat (limited to 'rfb/transTempl.h')
| -rw-r--r-- | rfb/transTempl.h | 151 |
1 files changed, 0 insertions, 151 deletions
diff --git a/rfb/transTempl.h b/rfb/transTempl.h deleted file mode 100644 index 09dc7f95..00000000 --- a/rfb/transTempl.h +++ /dev/null @@ -1,151 +0,0 @@ -/* Copyright (C) 2002-2005 RealVNC Ltd. 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. - */ -// -// transTempl.h - templates for translation functions. -// -// This file is #included after having set the following macros: -// BPPIN - 8, 16 or 32 -// BPPOUT - 8, 16 or 32 - -#if !defined(BPPIN) || !defined(BPPOUT) -#error "transTempl.h: BPPIN or BPPOUT not defined" -#endif - -// CONCAT2E concatenates its arguments, expanding them if they are macros - -#ifndef CONCAT2E -#define CONCAT2(a,b) a##b -#define CONCAT2E(a,b) CONCAT2(a,b) -#endif - -#ifndef CONCAT4E -#define CONCAT4(a,b,c,d) a##b##c##d -#define CONCAT4E(a,b,c,d) CONCAT4(a,b,c,d) -#endif - -#define INPIXEL rdr::CONCAT2E(U,BPPIN) -#define OUTPIXEL rdr::CONCAT2E(U,BPPOUT) -#define transSimpleINtoOUT CONCAT4E(transSimple,BPPIN,to,BPPOUT) -#define transRGBINtoOUT CONCAT4E(transRGB,BPPIN,to,BPPOUT) -#define transRGBCubeINtoOUT CONCAT4E(transRGBCube,BPPIN,to,BPPOUT) - -#if (BPPIN <= 16) - -// transSimpleINtoOUT uses a single table. This can be used for any incoming -// and outgoing pixel formats, as long as the incoming pixel format is not too -// large (for 16bpp, the table needs 64K entries). - -void transSimpleINtoOUT (void* table_, - const PixelFormat& inPF, void* inPtr, int inStride, - const PixelFormat& outPF, void* outPtr, int outStride, - int width, int height) -{ - OUTPIXEL* table = (OUTPIXEL*)table_; - INPIXEL* ip = (INPIXEL*)inPtr; - OUTPIXEL* op = (OUTPIXEL*)outPtr; - int inExtra = inStride - width; - int outExtra = outStride - width; - - while (height > 0) { - OUTPIXEL* opEndOfRow = op + width; - while (op < opEndOfRow) - *op++ = table[*ip++]; - ip += inExtra; - op += outExtra; - height--; - } -} - -#endif - -#if (BPPIN >= 16) - -// transRGBINtoOUT uses three tables, one each for red, green and blue -// components and adds the values to produce the result. This can be used -// where a single table would be too large (e.g. 32bpp). It only works for a -// trueColour incoming pixel format. Usually the outgoing pixel format is -// trueColour, but we add rather than ORing the three values so that it is also -// possible to generate an index into a colour cube. I believe that in most -// cases adding is just as fast as ORing - if not then we should split this -// into two different functions for efficiency. - -void transRGBINtoOUT (void* table, - const PixelFormat& inPF, void* inPtr, int inStride, - const PixelFormat& outPF, void* outPtr, int outStride, - int width, int height) -{ - OUTPIXEL* redTable = (OUTPIXEL*)table; - OUTPIXEL* greenTable = redTable + inPF.redMax + 1; - OUTPIXEL* blueTable = greenTable + inPF.greenMax + 1; - INPIXEL* ip = (INPIXEL*)inPtr; - OUTPIXEL* op = (OUTPIXEL*)outPtr; - int inExtra = inStride - width; - int outExtra = outStride - width; - - while (height > 0) { - OUTPIXEL* opEndOfRow = op + width; - while (op < opEndOfRow) { - *op++ = (redTable [(*ip >> inPF.redShift) & inPF.redMax] + - greenTable[(*ip >> inPF.greenShift) & inPF.greenMax] + - blueTable [(*ip >> inPF.blueShift) & inPF.blueMax]); - ip++; - } - ip += inExtra; - op += outExtra; - height--; - } -} - -// transRGBCubeINtoOUT is similar to transRGBINtoOUT but also looks up the -// colour cube index in a fourth table to yield a pixel value. - -void transRGBCubeINtoOUT (void* table, - const PixelFormat& inPF, void* inPtr, int inStride, - const PixelFormat& outPF, void* outPtr, - int outStride, int width, int height) -{ - OUTPIXEL* redTable = (OUTPIXEL*)table; - OUTPIXEL* greenTable = redTable + inPF.redMax + 1; - OUTPIXEL* blueTable = greenTable + inPF.greenMax + 1; - OUTPIXEL* cubeTable = blueTable + inPF.blueMax + 1; - INPIXEL* ip = (INPIXEL*)inPtr; - OUTPIXEL* op = (OUTPIXEL*)outPtr; - int inExtra = inStride - width; - int outExtra = outStride - width; - - while (height > 0) { - OUTPIXEL* opEndOfRow = op + width; - while (op < opEndOfRow) { - *op++ = cubeTable[(redTable [(*ip >> inPF.redShift) & inPF.redMax] + - greenTable[(*ip >> inPF.greenShift) & inPF.greenMax] + - blueTable [(*ip >> inPF.blueShift) & inPF.blueMax])]; - ip++; - } - ip += inExtra; - op += outExtra; - height--; - } -} - -#endif - -#undef INPIXEL -#undef OUTPIXEL -#undef transSimpleINtoOUT -#undef transRGBINtoOUT -#undef transRGBCubeINtoOUT |