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author | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2015-01-10 16:02:54 -0600 |
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committer | Timothy Pearson <kb9vqf@pearsoncomputing.net> | 2015-01-10 16:02:54 -0600 |
commit | f6187cc4eb8a8726f5b64f0c640ac8d2355b85eb (patch) | |
tree | d5c3b93286335d890339446d15e35c9cc97703d1 /krfb/libvncserver/hextile.c | |
parent | dedd07e78dee71fd8cde6a39e2ccc89fdbb8a782 (diff) | |
download | tdenetwork-f6187cc4eb8a8726f5b64f0c640ac8d2355b85eb.tar.gz tdenetwork-f6187cc4eb8a8726f5b64f0c640ac8d2355b85eb.zip |
Port to standard shared libvncserver and delete old buggy libvncserver library sources
Note that this DOES NOT WORK as some TDE-specific changes to libvncserver will be required
The commit is a "clean slate" for the TDE-specific changes to follow
Diffstat (limited to 'krfb/libvncserver/hextile.c')
-rw-r--r-- | krfb/libvncserver/hextile.c | 347 |
1 files changed, 0 insertions, 347 deletions
diff --git a/krfb/libvncserver/hextile.c b/krfb/libvncserver/hextile.c deleted file mode 100644 index bc523675..00000000 --- a/krfb/libvncserver/hextile.c +++ /dev/null @@ -1,347 +0,0 @@ -/* - * hextile.c - * - * Routines to implement Hextile Encoding - */ - -/* - * OSXvnc Copyright (C) 2001 Dan McGuirk <mcguirk@incompleteness.net>. - * Original Xvnc code Copyright (C) 1999 AT&T Laboratories Cambridge. - * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, - * USA. - */ - -#include <stdio.h> -#include "rfb.h" - -static Bool sendHextiles8(rfbClientPtr cl, int x, int y, int w, int h); -static Bool sendHextiles16(rfbClientPtr cl, int x, int y, int w, int h); -static Bool sendHextiles32(rfbClientPtr cl, int x, int y, int w, int h); - - -/* - * rfbSendRectEncodingHextile - send a rectangle using hextile encoding. - */ - -Bool -rfbSendRectEncodingHextile(cl, x, y, w, h) - rfbClientPtr cl; - int x, y, w, h; -{ - rfbFramebufferUpdateRectHeader rect; - - if (cl->ublen + sz_rfbFramebufferUpdateRectHeader > UPDATE_BUF_SIZE) { - if (!rfbSendUpdateBuf(cl)) - return FALSE; - } - - rect.r.x = Swap16IfLE(x); - rect.r.y = Swap16IfLE(y); - rect.r.w = Swap16IfLE(w); - rect.r.h = Swap16IfLE(h); - rect.encoding = Swap32IfLE(rfbEncodingHextile); - - memcpy(&cl->updateBuf[cl->ublen], (char *)&rect, - sz_rfbFramebufferUpdateRectHeader); - cl->ublen += sz_rfbFramebufferUpdateRectHeader; - - cl->rfbRectanglesSent[rfbEncodingHextile]++; - cl->rfbBytesSent[rfbEncodingHextile] += sz_rfbFramebufferUpdateRectHeader; - - switch (cl->format.bitsPerPixel) { - case 8: - return sendHextiles8(cl, x, y, w, h); - case 16: - return sendHextiles16(cl, x, y, w, h); - case 32: - return sendHextiles32(cl, x, y, w, h); - } - - rfbLog("rfbSendRectEncodingHextile: bpp %d?\n", cl->format.bitsPerPixel); - return FALSE; -} - - -#define PUT_PIXEL8(pix) (cl->updateBuf[cl->ublen++] = (pix)) - -#define PUT_PIXEL16(pix) (cl->updateBuf[cl->ublen++] = ((char*)&(pix))[0], \ - cl->updateBuf[cl->ublen++] = ((char*)&(pix))[1]) - -#define PUT_PIXEL32(pix) (cl->updateBuf[cl->ublen++] = ((char*)&(pix))[0], \ - cl->updateBuf[cl->ublen++] = ((char*)&(pix))[1], \ - cl->updateBuf[cl->ublen++] = ((char*)&(pix))[2], \ - cl->updateBuf[cl->ublen++] = ((char*)&(pix))[3]) - - -#define DEFINE_SEND_HEXTILES(bpp) \ - \ - \ -static Bool subrectEncode##bpp(rfbClientPtr cli, CARD##bpp *data, int w, int h, \ - CARD##bpp bg, CARD##bpp fg, Bool mono); \ -static void testColours##bpp(CARD##bpp *data, int size, Bool *mono, \ - Bool *solid, CARD##bpp *bg, CARD##bpp *fg); \ - \ - \ -/* \ - * rfbSendHextiles \ - */ \ - \ -static Bool \ -sendHextiles##bpp(cl, rx, ry, rw, rh) \ - rfbClientPtr cl; \ - int rx, ry, rw, rh; \ -{ \ - int x, y, w, h; \ - int startUblen; \ - char *fbptr; \ - CARD##bpp bg = 0, fg = 0, newBg, newFg; \ - Bool mono, solid; \ - Bool validBg = FALSE; \ - Bool validFg = FALSE; \ - CARD##bpp clientPixelData[16*16*(bpp/8)]; \ - \ - for (y = ry; y < ry+rh; y += 16) { \ - for (x = rx; x < rx+rw; x += 16) { \ - w = h = 16; \ - if (rx+rw - x < 16) \ - w = rx+rw - x; \ - if (ry+rh - y < 16) \ - h = ry+rh - y; \ - \ - if ((cl->ublen + 1 + (2 + 16 * 16) * (bpp/8)) > \ - UPDATE_BUF_SIZE) { \ - if (!rfbSendUpdateBuf(cl)) \ - return FALSE; \ - } \ - \ - fbptr = (cl->screen->frameBuffer + (cl->screen->paddedWidthInBytes * y) \ - + (x * (cl->screen->bitsPerPixel / 8))); \ - \ - (*cl->translateFn)(cl->translateLookupTable, &(cl->screen->rfbServerFormat), \ - &cl->format, fbptr, (char *)clientPixelData, \ - cl->screen->paddedWidthInBytes, w, h); \ - \ - startUblen = cl->ublen; \ - cl->updateBuf[startUblen] = 0; \ - cl->ublen++; \ - \ - testColours##bpp(clientPixelData, w * h, \ - &mono, &solid, &newBg, &newFg); \ - \ - if (!validBg || (newBg != bg)) { \ - validBg = TRUE; \ - bg = newBg; \ - cl->updateBuf[startUblen] |= rfbHextileBackgroundSpecified; \ - PUT_PIXEL##bpp(bg); \ - } \ - \ - if (solid) { \ - cl->rfbBytesSent[rfbEncodingHextile] += cl->ublen - startUblen; \ - continue; \ - } \ - \ - cl->updateBuf[startUblen] |= rfbHextileAnySubrects; \ - \ - if (mono) { \ - if (!validFg || (newFg != fg)) { \ - validFg = TRUE; \ - fg = newFg; \ - cl->updateBuf[startUblen] |= rfbHextileForegroundSpecified; \ - PUT_PIXEL##bpp(fg); \ - } \ - } else { \ - validFg = FALSE; \ - cl->updateBuf[startUblen] |= rfbHextileSubrectsColoured; \ - } \ - \ - if (!subrectEncode##bpp(cl, clientPixelData, w, h, bg, fg, mono)) { \ - /* encoding was too large, use raw */ \ - validBg = FALSE; \ - validFg = FALSE; \ - cl->ublen = startUblen; \ - cl->updateBuf[cl->ublen++] = rfbHextileRaw; \ - (*cl->translateFn)(cl->translateLookupTable, \ - &(cl->screen->rfbServerFormat), &cl->format, fbptr, \ - (char *)clientPixelData, \ - cl->screen->paddedWidthInBytes, w, h); \ - \ - memcpy(&cl->updateBuf[cl->ublen], (char *)clientPixelData, \ - w * h * (bpp/8)); \ - \ - cl->ublen += w * h * (bpp/8); \ - } \ - \ - cl->rfbBytesSent[rfbEncodingHextile] += cl->ublen - startUblen; \ - } \ - } \ - \ - return TRUE; \ -} \ - \ - \ -static Bool \ -subrectEncode##bpp(rfbClientPtr cl, CARD##bpp *data, int w, int h, \ - CARD##bpp bg, CARD##bpp fg, Bool mono) \ -{ \ - CARD##bpp cl2; \ - int x,y; \ - int i,j; \ - int hx=0,hy,vx=0,vy; \ - int hyflag; \ - CARD##bpp *seg; \ - CARD##bpp *line; \ - int hw,hh,vw,vh; \ - int thex,they,thew,theh; \ - int numsubs = 0; \ - int newLen; \ - int nSubrectsUblen; \ - \ - nSubrectsUblen = cl->ublen; \ - cl->ublen++; \ - \ - for (y=0; y<h; y++) { \ - line = data+(y*w); \ - for (x=0; x<w; x++) { \ - if (line[x] != bg) { \ - cl2 = line[x]; \ - hy = y-1; \ - hyflag = 1; \ - for (j=y; j<h; j++) { \ - seg = data+(j*w); \ - if (seg[x] != cl2) {break;} \ - i = x; \ - while ((seg[i] == cl2) && (i < w)) i += 1; \ - i -= 1; \ - if (j == y) vx = hx = i; \ - if (i < vx) vx = i; \ - if ((hyflag > 0) && (i >= hx)) { \ - hy += 1; \ - } else { \ - hyflag = 0; \ - } \ - } \ - vy = j-1; \ - \ - /* We now have two possible subrects: (x,y,hx,hy) and \ - * (x,y,vx,vy). We'll choose the bigger of the two. \ - */ \ - hw = hx-x+1; \ - hh = hy-y+1; \ - vw = vx-x+1; \ - vh = vy-y+1; \ - \ - thex = x; \ - they = y; \ - \ - if ((hw*hh) > (vw*vh)) { \ - thew = hw; \ - theh = hh; \ - } else { \ - thew = vw; \ - theh = vh; \ - } \ - \ - if (mono) { \ - newLen = cl->ublen - nSubrectsUblen + 2; \ - } else { \ - newLen = cl->ublen - nSubrectsUblen + bpp/8 + 2; \ - } \ - \ - if (newLen > (w * h * (bpp/8))) \ - return FALSE; \ - \ - numsubs += 1; \ - \ - if (!mono) PUT_PIXEL##bpp(cl2); \ - \ - cl->updateBuf[cl->ublen++] = rfbHextilePackXY(thex,they); \ - cl->updateBuf[cl->ublen++] = rfbHextilePackWH(thew,theh); \ - \ - /* \ - * Now mark the subrect as done. \ - */ \ - for (j=they; j < (they+theh); j++) { \ - for (i=thex; i < (thex+thew); i++) { \ - data[j*w+i] = bg; \ - } \ - } \ - } \ - } \ - } \ - \ - cl->updateBuf[nSubrectsUblen] = numsubs; \ - \ - return TRUE; \ -} \ - \ - \ -/* \ - * testColours() tests if there are one (solid), two (mono) or more \ - * colours in a tile and gets a reasonable guess at the best background \ - * pixel, and the foreground pixel for mono. \ - */ \ - \ -static void \ -testColours##bpp(data,size,mono,solid,bg,fg) \ - CARD##bpp *data; \ - int size; \ - Bool *mono; \ - Bool *solid; \ - CARD##bpp *bg; \ - CARD##bpp *fg; \ -{ \ - CARD##bpp colour1 = 0, colour2 = 0; \ - int n1 = 0, n2 = 0; \ - *mono = TRUE; \ - *solid = TRUE; \ - \ - for (; size > 0; size--, data++) { \ - \ - if (n1 == 0) \ - colour1 = *data; \ - \ - if (*data == colour1) { \ - n1++; \ - continue; \ - } \ - \ - if (n2 == 0) { \ - *solid = FALSE; \ - colour2 = *data; \ - } \ - \ - if (*data == colour2) { \ - n2++; \ - continue; \ - } \ - \ - *mono = FALSE; \ - break; \ - } \ - \ - if (n1 > n2) { \ - *bg = colour1; \ - *fg = colour2; \ - } else { \ - *bg = colour2; \ - *fg = colour1; \ - } \ -} - -DEFINE_SEND_HEXTILES(8) -DEFINE_SEND_HEXTILES(16) -DEFINE_SEND_HEXTILES(32) |