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Diffstat (limited to 'libXfont/src/Speedo/spfont.c')
| -rw-r--r-- | libXfont/src/Speedo/spfont.c | 453 |
1 files changed, 0 insertions, 453 deletions
diff --git a/libXfont/src/Speedo/spfont.c b/libXfont/src/Speedo/spfont.c deleted file mode 100644 index c209d5a51..000000000 --- a/libXfont/src/Speedo/spfont.c +++ /dev/null @@ -1,453 +0,0 @@ -/* $Xorg: spfont.c,v 1.4 2001/02/09 02:04:00 xorgcvs 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 - */ -/* $XFree86: xc/lib/font/Speedo/spfont.c,v 3.12tsi Exp $ */ - -/* - -Copyright 1987, 1998 The Open Group - -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. - -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 OPEN GROUP 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 Open Group 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 Open Group. - -*/ - -/* - * Speedo font loading - */ - -#ifdef HAVE_CONFIG_H -#include <config.h> -#endif -#include <X11/fonts/FSproto.h> -#include "spint.h" -#include <X11/fonts/fontutil.h> -#ifndef FONTMODULE -#ifdef _XOPEN_SOURCE -#include <math.h> -#else -#define _XOPEN_SOURCE /* to get prototype for hypot on some systems */ -#include <math.h> -#undef _XOPEN_SOURCE -#endif -#else -#include "servermd.h" -#include "xf86_ansic.h" -#endif - -#ifndef M_PI -#define M_PI 3.14159 -#endif /* M_PI */ -#ifndef DEFAULT_BIT_ORDER - -#ifdef BITMAP_BIT_ORDER -#define DEFAULT_BIT_ORDER BITMAP_BIT_ORDER -#else -#define DEFAULT_BIT_ORDER UNKNOWN_BIT_ORDER -#endif - -#endif - -static void SpeedoCloseFont(FontPtr pfont); - -static int -sp_get_glyphs( - FontPtr pFont, - unsigned long count, - register unsigned char *chars, - FontEncoding charEncoding, - unsigned long *glyphCount, /* RETURN */ - CharInfoPtr *glyphs) /* RETURN */ -{ - SpeedoFontPtr spf; - unsigned int firstCol; - register unsigned int numCols; - unsigned int firstRow; - unsigned int numRows; - CharInfoPtr *glyphsBase; - register unsigned int c; - register CharInfoPtr pci; - unsigned int r; - CharInfoPtr encoding; - CharInfoPtr pDefault; -#ifdef notyet - int itemSize; -#endif - int err = Successful; - - spf = (SpeedoFontPtr) pFont->fontPrivate; - encoding = spf->encoding; - pDefault = spf->pDefault; - firstCol = pFont->info.firstCol; - numCols = pFont->info.lastCol - firstCol + 1; - glyphsBase = glyphs; - - - /* XXX - this should be much smarter */ - /* make sure the glyphs are there */ -#ifdef notyet - if (charEncoding == Linear8Bit || charEncoding == TwoD8Bit) - itemSize = 1; - else - itemSize = 2; - - if (!fsd->complete) - err = fs_load_glyphs(NULL, pFont, count, itemSize, chars); -#endif - - if (err != Successful) - return err; - - switch (charEncoding) { - - case Linear8Bit: - case TwoD8Bit: - if (pFont->info.firstRow > 0) - break; - if (pFont->info.allExist && pDefault) { - while (count--) { - c = (*chars++) - firstCol; - if (c < numCols) - *glyphs++ = &encoding[c]; - else - *glyphs++ = pDefault; - } - } else { - while (count--) { - c = (*chars++) - firstCol; - if (c < numCols && (pci = &encoding[c])->bits) - *glyphs++ = pci; - else if (pDefault) - *glyphs++ = pDefault; - } - } - break; - case Linear16Bit: - if (pFont->info.allExist && pDefault) { - while (count--) { - c = *chars++ << 8; - c = (c | *chars++) - firstCol; - if (c < numCols) - *glyphs++ = &encoding[c]; - else - *glyphs++ = pDefault; - } - } else { - while (count--) { - c = *chars++ << 8; - c = (c | *chars++) - firstCol; - if (c < numCols && (pci = &encoding[c])->bits) - *glyphs++ = pci; - else if (pDefault) - *glyphs++ = pDefault; - } - } - break; - - case TwoD16Bit: - firstRow = pFont->info.firstRow; - numRows = pFont->info.lastRow - firstRow + 1; - while (count--) { - r = (*chars++) - firstRow; - c = (*chars++) - firstCol; - if (r < numRows && c < numCols && - (pci = &encoding[r * numCols + c])->bits) - *glyphs++ = pci; - else if (pDefault) - *glyphs++ = pDefault; - } - break; - } - *glyphCount = glyphs - glyphsBase; - return Successful; -} - -static CharInfoRec nonExistantChar; - -static int -sp_get_metrics( - FontPtr pFont, - unsigned long count, - register unsigned char *chars, - FontEncoding charEncoding, - unsigned long *glyphCount, /* RETURN */ - xCharInfo **glyphs) /* RETURN */ -{ - int ret; - SpeedoFontPtr spf; - CharInfoPtr oldDefault; - - spf = (SpeedoFontPtr) pFont->fontPrivate; - oldDefault = spf->pDefault; - spf->pDefault = &nonExistantChar; - ret = sp_get_glyphs(pFont, count, chars, charEncoding, - glyphCount, (CharInfoPtr *) glyphs); - - spf->pDefault = oldDefault; - return ret; -} - -int -sp_open_font( - char *fontname, - char *filename, - FontEntryPtr entry, - FontScalablePtr vals, - fsBitmapFormat format, - fsBitmapFormatMask fmask, - Mask flags, - SpeedoFontPtr *spfont) -{ - SpeedoFontPtr spf; - SpeedoMasterFontPtr spmf; - int ret; - specs_t specs; - int xx8, xy8, yx8, yy8; - - /* find a master (create it if necessary) */ - spmf = (SpeedoMasterFontPtr) entry->u.scalable.extra->private; - if (!spmf) - { - ret = sp_open_master(fontname, filename, &spmf); - if (ret != Successful) - return ret; - entry->u.scalable.extra->private = (pointer) spmf; - spmf->entry = entry; - } - - spf = (SpeedoFontPtr) xalloc(sizeof(SpeedoFontRec)); - if (!spf) - return AllocError; - bzero((char *) spf, sizeof(SpeedoFontRec)); - - *spfont = spf; - - /* clobber everything -- this may be leaking, but other wise evil - * stuff is left behind -- succesive transformed fonts get mangled */ - bzero((char *)&sp_globals, sizeof(sp_globals)); - - spf->master = spmf; - spf->entry = entry; - spmf->refcount++; - sp_reset_master(spmf); - /* now we've done enough that if we bail out we must call sp_close_font */ - - spf->vals = *vals; - - /* set up specs */ - - specs.pfont = &spmf->font; - - specs.xxmult = (int)(vals->pixel_matrix[0] * (double)(1L << 16)); - specs.xymult = (int)(vals->pixel_matrix[2] * (double)(1L << 16)); - specs.yxmult = (int)(vals->pixel_matrix[1] * (double)(1L << 16)); - specs.yymult = (int)(vals->pixel_matrix[3] * (double)(1L << 16)); - - specs.xoffset = 0L << 16; /* XXX tweak? */ - specs.yoffset = 0L << 16; /* XXX tweak? */ - - specs.flags = MODE_SCREEN; - specs.out_info = NULL; - - /* When Speedo tries to generate a very small font bitmap, it - often crashes or goes into an infinite loop. - Don't know why this is so, but until we can fix it properly, - return BadFontName for anything smaller than 4 pixels. - */ -#define TINY_FACTOR (16 << 16) - xx8 = specs.xxmult >> 8; - xy8 = specs.xymult >> 8; - yx8 = specs.yxmult >> 8; - yy8 = specs.yymult >> 8; - if (xx8 * xx8 + xy8 * xy8 < TINY_FACTOR || - yx8 * yx8 + yy8 * yy8 < TINY_FACTOR) - { - sp_close_font(spf); - return BadFontName; - } - - /* clobber global state to avoid wrecking future transformed fonts */ - bzero ((char *) &sp_globals, sizeof(sp_globals)); - - if (!sp_set_specs(&specs)) - { - sp_close_font(spf); - return BadFontName; - } - - spf->specs = specs; - spf->master = spmf; - - *spfont = spf; - return Successful; -} - -static int -sp_load_font( - char *fontname, - char *filename, - FontEntryPtr entry, - FontScalablePtr vals, - fsBitmapFormat format, - fsBitmapFormatMask fmask, - FontPtr pfont, - Mask flags) -{ - SpeedoFontPtr spf; - SpeedoMasterFontPtr spmf; - int esize; - int ret; - long sWidth; - - ret = sp_open_font(fontname, filename, entry, vals, format, fmask, - flags, &spf); - - if (ret != Successful) - return ret; - - spmf = spf->master; - sp_reset_master(spmf); - esize = sizeof(CharInfoRec) * (spmf->max_id - spmf->first_char_id + 1); - - spf->encoding = (CharInfoPtr) xalloc(esize); - if (!spf->encoding) { - sp_close_font(spf); - return AllocError; - } - bzero((char *) spf->encoding, esize); - - sp_fp_cur = spf; - - sp_make_header(spf, &pfont->info); - - sp_compute_bounds(spf, &pfont->info, SaveMetrics, &sWidth); - - sp_compute_props(spf, fontname, &pfont->info, sWidth); - - pfont->fontPrivate = (pointer) spf; - -/* XXX */ - flags |= FontLoadBitmaps; - - if (flags & FontLoadBitmaps) { - sp_fp_cur = spf; - ret = sp_build_all_bitmaps(pfont, format, fmask); - } - if (ret != Successful) - return ret; - - /* compute remaining accelerators */ - FontComputeInfoAccelerators(&pfont->info); - - pfont->format = format; - - pfont->get_metrics = sp_get_metrics; - pfont->get_glyphs = sp_get_glyphs; - pfont->unload_font = SpeedoCloseFont; - pfont->unload_glyphs = NULL; - pfont->refcnt = 0; - - /* have to hold on to master for min/max id */ - sp_close_master_file(spmf); - - return ret; -} - -int -SpeedoFontLoad( - FontPtr *ppfont, - char *fontname, - char *filename, - FontEntryPtr entry, - FontScalablePtr vals, - fsBitmapFormat format, - fsBitmapFormatMask fmask, - Mask flags) -{ - FontPtr pfont; - int ret; - - /* Reject ridiculously small sizes that will blow up the math */ - if (hypot(vals->pixel_matrix[0], vals->pixel_matrix[1]) < 1.0 || - hypot(vals->pixel_matrix[2], vals->pixel_matrix[3]) < 1.0) - return BadFontName; - - if (!(pfont = CreateFontRec())) - return AllocError; - - ret = sp_load_font(fontname, filename, entry, vals, format, fmask, - pfont, flags); - - if (ret == Successful) - *ppfont = pfont; - else - DestroyFontRec (pfont); - - return ret; -} - -void -sp_close_font(SpeedoFontPtr spf) -{ - SpeedoMasterFontPtr spmf; - - spmf = spf->master; - --spmf->refcount; - if (spmf->refcount == 0) - sp_close_master_font (spmf); - xfree(spf->encoding); - xfree(spf->bitmaps); - xfree(spf); -} - -static void -SpeedoCloseFont(FontPtr pfont) -{ - SpeedoFontPtr spf; - - spf = (SpeedoFontPtr) pfont->fontPrivate; - sp_close_font(spf); - xfree(pfont->info.isStringProp); - xfree(pfont->info.props); - DestroyFontRec(pfont); - -} |