diff options
Diffstat (limited to 'rfb/hextileDecode.h')
-rw-r--r-- | rfb/hextileDecode.h | 126 |
1 files changed, 0 insertions, 126 deletions
diff --git a/rfb/hextileDecode.h b/rfb/hextileDecode.h deleted file mode 100644 index 77befc7d..00000000 --- a/rfb/hextileDecode.h +++ /dev/null @@ -1,126 +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. - */ -// -// Hextile decoding function. -// -// This file is #included after having set the following macros: -// BPP - 8, 16 or 32 -// EXTRA_ARGS - optional extra arguments -// FILL_RECT - fill a rectangle with a single colour -// IMAGE_RECT - draw a rectangle of pixel data from a buffer - -#include <rdr/InStream.h> -#include <rfb/hextileConstants.h> - -namespace rfb { - -// 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 - -#define PIXEL_T rdr::CONCAT2E(U,BPP) -#define READ_PIXEL CONCAT2E(readOpaque,BPP) -#define HEXTILE_DECODE CONCAT2E(hextileDecode,BPP) - -void HEXTILE_DECODE (const Rect& r, rdr::InStream* is, PIXEL_T* buf -#ifdef EXTRA_ARGS - , EXTRA_ARGS -#endif - ) -{ - Rect t; - PIXEL_T bg = 0; - PIXEL_T fg = 0; - - for (t.tl.y = r.tl.y; t.tl.y < r.br.y; t.tl.y += 16) { - - t.br.y = __rfbmin(r.br.y, t.tl.y + 16); - - for (t.tl.x = r.tl.x; t.tl.x < r.br.x; t.tl.x += 16) { - - t.br.x = __rfbmin(r.br.x, t.tl.x + 16); - - int tileType = is->readU8(); - - if (tileType & hextileRaw) { - is->readBytes(buf, t.area() * (BPP/8)); - IMAGE_RECT(t, buf); - continue; - } - - if (tileType & hextileBgSpecified) - bg = is->READ_PIXEL(); - -#ifdef FAVOUR_FILL_RECT - FILL_RECT(t, bg); -#else - int len = t.area(); - PIXEL_T* ptr = (PIXEL_T*)buf; - while (len-- > 0) *ptr++ = bg; -#endif - - if (tileType & hextileFgSpecified) - fg = is->READ_PIXEL(); - - if (tileType & hextileAnySubrects) { - int nSubrects = is->readU8(); - - for (int i = 0; i < nSubrects; i++) { - - if (tileType & hextileSubrectsColoured) - fg = is->READ_PIXEL(); - - int xy = is->readU8(); - int wh = is->readU8(); - -#ifdef FAVOUR_FILL_RECT - Rect s; - s.tl.x = t.tl.x + ((xy >> 4) & 15); - s.tl.y = t.tl.y + (xy & 15); - s.br.x = s.tl.x + ((wh >> 4) & 15) + 1; - s.br.y = s.tl.y + (wh & 15) + 1; - FILL_RECT(s, fg); -#else - int x = ((xy >> 4) & 15); - int y = (xy & 15); - int w = ((wh >> 4) & 15) + 1; - int h = (wh & 15) + 1; - PIXEL_T* ptr = (PIXEL_T*)buf + y * t.width() + x; - int rowAdd = t.width() - w; - while (h-- > 0) { - int len = w; - while (len-- > 0) *ptr++ = fg; - ptr += rowAdd; - } -#endif - } - } -#ifndef FAVOUR_FILL_RECT - IMAGE_RECT(t, buf); -#endif - } - } -} - -#undef PIXEL_T -#undef READ_PIXEL -#undef HEXTILE_DECODE -} |