X-Git-Url: https://git.sesse.net/?p=rdpsrv;a=blobdiff_plain;f=Xserver%2Flib%2Ffont%2FSpeedo%2Fspglyph.c;fp=Xserver%2Flib%2Ffont%2FSpeedo%2Fspglyph.c;h=0000000000000000000000000000000000000000;hp=4fb45cce41c6f58f550feda122c8dfd2d242afca;hb=ce66b81460e5353db09d45c02339d4583fbda255;hpb=7772d71ffd742cfc9b7ff214659d16c5bb56a391 diff --git a/Xserver/lib/font/Speedo/spglyph.c b/Xserver/lib/font/Speedo/spglyph.c deleted file mode 100644 index 4fb45cc..0000000 --- a/Xserver/lib/font/Speedo/spglyph.c +++ /dev/null @@ -1,405 +0,0 @@ -/* $XConsortium: spglyph.c,v 1.17 94/04/17 20:17:49 gildea Exp $ */ -/* - * Copyright 1990, 1991 Network Computing Devices; - * Portions Copyright 1987 by Digital Equipment Corporation - * - * Permission to use, copy, modify, distribute, and sell this software and - * its documentation for any purpose is hereby granted without fee, provided - * that the above copyright notice appear in all copies and that both that - * copyright notice and this permission notice appear in supporting - * documentation, and that the names of Network Computing Devices or Digital - * not be used in advertising or publicity pertaining to distribution of - * the software without specific, written prior permission. - * - * NETWORK COMPUTING DEVICES AND DIGITAL DISCLAIM ALL WARRANTIES WITH - * REGARD TO THIS SOFTWARE, INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY - * AND FITNESS, IN NO EVENT SHALL NETWORK COMPUTING DEVICES OR DIGITAL BE - * LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES - * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION - * OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN - * CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. - * - * Author: Dave Lemke, Network Computing Devices Inc - */ - -/* - -Copyright (c) 1987 X Consortium - -Permission is hereby granted, free of charge, to any person obtaining -a copy of this software and associated documentation files (the -"Software"), to deal in the Software without restriction, including -without limitation the rights to use, copy, modify, merge, publish, -distribute, sublicense, and/or sell copies of the Software, and to -permit persons to whom the Software is furnished to do so, subject to -the following conditions: - -The above copyright notice and this permission notice shall be included -in all copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS -OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF -MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. -IN NO EVENT SHALL THE X CONSORTIUM BE LIABLE FOR ANY CLAIM, DAMAGES OR -OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, -ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR -OTHER DEALINGS IN THE SOFTWARE. - -Except as contained in this notice, the name of the X Consortium shall -not be used in advertising or otherwise to promote the sale, use or -other dealings in this Software without prior written authorization -from the X Consortium. - -*/ - -#include /* for bit order #defines */ -#include "spint.h" - -#undef CLIP_BBOX_NOISE - -static CurrentFontValuesRec current_font_values; -static CurrentFontValuesPtr cfv = ¤t_font_values; -static int bit_order, - byte_order, - scan; - -unsigned long -sp_compute_data_size(pfont, mappad, scanlinepad, start, end) - FontPtr pfont; - int mappad, - scanlinepad; - unsigned long start, - end; -{ - unsigned long ch; - unsigned long size = 0; - int bpr; - SpeedoFontPtr spf = (SpeedoFontPtr) pfont->fontPrivate; - FontInfoPtr pinfo = &pfont->info; - int firstChar; - - firstChar = spf->master->first_char_id; - - /* allocate the space */ - switch (mappad) { - int charsize; - CharInfoPtr ci; - xCharInfo *cim; - - case BitmapFormatImageRectMin: - cfv->bpr = 0; - for (ch = start; ch <= end; ch++) { - ci = &spf->encoding[ch - firstChar]; - if (!ci) - ci = spf->pDefault; - cim = &ci->metrics; - charsize = GLYPH_SIZE(ci, scanlinepad); - charsize *= cim->ascent + cim->descent; - size += charsize; - } - break; - case BitmapFormatImageRectMaxWidth: - bpr = GLWIDTHBYTESPADDED(FONT_MAX_WIDTH(pinfo), scanlinepad); - cfv->bpr = bpr; - for (ch = start; ch <= end; ch++) { - ci = &spf->encoding[ch - firstChar]; - if (!ci) - ci = spf->pDefault; - cim = &ci->metrics; - charsize = bpr * (cim->ascent + cim->descent); - size += charsize; - } - break; - case BitmapFormatImageRectMax: - bpr = GLWIDTHBYTESPADDED(FONT_MAX_WIDTH(pinfo), scanlinepad); - cfv->bpr = bpr; - size = (end - start + 1) * bpr * FONT_MAX_HEIGHT(pinfo); - break; - default: - assert(0); - } - - return size; -} - -static void -finish_line(spf) - SpeedoFontPtr spf; -{ - int bpr = cfv->bpr; - CharInfoPtr ci = &spf->encoding[cfv->char_id - spf->master->first_char_id]; - - if (bpr == 0) { - bpr = GLYPH_SIZE(ci, cfv->scanpad); - } - if (bpr) { /* char may not have any metrics... */ - cfv->bp += bpr; - } - assert(cfv->bp - sp_fp_cur->bitmaps <= sp_fp_cur->bitmap_size); -} - - -void -sp_set_bitmap_bits(y, xbit1, xbit2) - fix15 y; - fix15 xbit1, - xbit2; -{ - int nmiddle; - CARD8 startmask, - endmask; - CARD8 *dst; - - if (xbit1 > cfv->bit_width) { - -#ifdef CLIP_BBOX_NOISE - SpeedoErr("Run wider than bitmap width -- truncated\n"); -#endif - - xbit1 = cfv->bit_width; - } - if (xbit2 > cfv->bit_width) { - -#ifdef CLIP_BBOX_NOISE - SpeedoErr("Run wider than bitmap width -- truncated\n"); -#endif - - xbit2 = cfv->bit_width; - } - - if (xbit2 < xbit1) { - xbit2 = xbit1; - } - - while (cfv->cur_y != y) { - finish_line(sp_fp_cur); - cfv->cur_y++; - } - - cfv->last_y = y; - if (y >= cfv->bit_height) { - -#ifdef CLIP_BBOX_NOISE - SpeedoErr("Y larger than bitmap height -- truncated\n"); -#endif - - cfv->trunc = 1; - return; - } - if (xbit1 < 0) /* XXX this is more than a little bit rude... */ - xbit1 = 0; - - nmiddle = (xbit1 >> 3); - dst = (CARD8 *) (cfv->bp + nmiddle); - xbit2 -= (xbit1 & ~7); - nmiddle = (xbit2 >> 3); - xbit1 &= 7; - xbit2 &= 7; - if (bit_order == MSBFirst) { - startmask = ((CARD8) ~0) >> xbit1; - endmask = ~(((CARD8) ~0) >> xbit2); - } else { - startmask = ((CARD8) ~0) << xbit1; - endmask = ~(((CARD8) ~0) << xbit2); - } - if (nmiddle == 0) - *dst |= endmask & startmask; - else { - *dst++ |= startmask; - while (--nmiddle) - *dst++ = (CARD8)~0; - *dst |= endmask; - } -} - -/* ARGSUSED */ -void -sp_open_bitmap(x_set_width, y_set_width, xorg, yorg, xsize, ysize) - fix31 x_set_width; - fix31 y_set_width; - fix31 xorg; - fix31 yorg; - fix15 xsize; - fix15 ysize; -{ - CharInfoPtr ci = &sp_fp_cur->encoding[cfv->char_id - sp_fp_cur->master->first_char_id]; - -/*- - * this is set to provide better quality bitmaps. since the Speedo - * sp_get_bbox() function returns an approximate (but guarenteed to contain) - * set of metrics, some of the bitmaps can be place poorly inside and - * look bad. - * - * with this set, the actual bitmap values are used instead of the bboxes. - * it makes things look better, but causes two possible problems: - * - * 1 - the reported min & max bounds may not correspond to the extents - * reported - * 2 - if the extents are reported before the character is generated, - * a client could see them change. this currently never happens, - * but will when a desired enhancement (don't reneder till needed) - * is made. - */ - -#define BBOX_FIXUP 1 - -#ifdef BBOX_FIXUP - int off_horz; - int off_vert; - - if (xorg < 0) - off_horz = (fix15) ((xorg - 32768L) / 65536); - else - off_horz = (fix15) ((xorg + 32768L) / 65536); - if (yorg < 0) - off_vert = (fix15) ((yorg - 32768L) / 65536); - else - off_vert = (fix15) ((yorg + 32768L) / 65536); - if (xsize != 0 || ysize != 0 || ci->metrics.characterWidth) - { - ci->metrics.leftSideBearing = off_horz; - ci->metrics.descent = -off_vert; - ci->metrics.rightSideBearing = xsize + off_horz; - ci->metrics.ascent = ysize + off_vert; - } - else - { - /* If setting the proper size would cause the character to appear to - be non-existent, fudge things by giving it a pixel to occupy. */ - xsize = ysize = 1; - ci->metrics.leftSideBearing = ci->metrics.descent = 0; - ci->metrics.rightSideBearing = ci->metrics.ascent = 1; - } - - cfv->bit_width = xsize; - cfv->bit_height = ysize; -#else - cfv->bit_width = ci->metrics.rightSideBearing - - ci->metrics.leftSideBearing; - cfv->bit_height = ci->metrics.ascent + ci->metrics.descent; -#endif - - assert(cfv->bp - sp_fp_cur->bitmaps <= sp_fp_cur->bitmap_size); - ci->bits = (char *) cfv->bp; - - cfv->cur_y = 0; -} - -void -sp_close_bitmap() -{ - CharInfoPtr ci = &sp_fp_cur->encoding[cfv->char_id - sp_fp_cur->master->first_char_id]; - int bpr = cfv->bpr; - - if (bpr == 0) - bpr = GLYPH_SIZE(ci, cfv->scanpad); - if (!cfv->trunc) - finish_line(sp_fp_cur); - cfv->trunc = 0; - cfv->last_y++; - while (cfv->last_y < cfv->bit_height) { - finish_line(sp_fp_cur); - cfv->last_y++; - } - if (byte_order != bit_order) { - switch (scan) { - case 1: - break; - case 2: - TwoByteSwap(cfv->bp, bpr * cfv->bit_height); - break; - case 4: - FourByteSwap(cfv->bp, bpr * cfv->bit_height); - break; - } - } -} - -int -sp_build_all_bitmaps(pfont, format, fmask) - FontPtr pfont; - fsBitmapFormat format; - fsBitmapFormatMask fmask; -{ - int ret, - glyph = 1, - image = BitmapFormatImageRectMin; - unsigned long glyph_size; - SpeedoFontPtr spf = (SpeedoFontPtr) pfont->fontPrivate; - SpeedoMasterFontPtr spmf = spf->master; - pointer bitmaps; - int start, - end, - i; - - scan = 1; - ret = CheckFSFormat(format, fmask, - &bit_order, &byte_order, &scan, &glyph, &image); - - pfont->bit = bit_order; - pfont->byte = byte_order; - pfont->glyph = glyph; - pfont->scan = scan; - if (ret != Successful) - return BadFontFormat; - - start = spmf->first_char_id; - end = spmf->max_id; - glyph_size = sp_compute_data_size(pfont, image, glyph, start, end); - - /* XXX -- MONDO KLUDGE -- add some slop */ - /* - * not sure why this is wanted, but it keeps the packer from going off the - * end and toasting us down the line - */ - glyph_size += 20; - -#ifdef DEBUG - spf->bitmap_size = glyph_size; -#endif - - bitmaps = (pointer) xalloc(glyph_size); - if (!bitmaps) - return AllocError; - bzero((char *) bitmaps, glyph_size); - - /* set up some state */ - sp_fp_cur = spf; - spf->bitmaps = bitmaps; - cfv->format = format; - cfv->scanpad = glyph; - cfv->bp = bitmaps; - - for (i = 0; i < spmf->num_chars; i++) { - int j; - cfv->char_index = spmf->enc[i * 2 + 1]; - cfv->char_id = spmf->enc[i * 2]; -#if DEBUG -fprintf(stderr, "build_all_sp_bitmaps:i = %d, Char ID = %d\n", i, cfv->char_id); -#endif - if (!cfv->char_id) - continue; - - /* - * See if this character is in the list of ranges specified in the - * XLFD name - */ - for (j = 0; j < spf->vals.nranges; j++) - if (cfv->char_id >= mincharno(spf->vals.ranges[j]) && - cfv->char_id <= maxcharno(spf->vals.ranges[j])) - break; - - /* If not, don't realize it. */ - if (spf->vals.nranges && j == spf->vals.nranges) - continue; - - if (!sp_make_char(cfv->char_index)) { - -#ifdef DEBUG /* can be very common with some encodings */ - SpeedoErr("Can't make char %d\n", cfv->char_index); -#endif - } - } - - return Successful; -}