From f4092abdf94af6a99aff944d6264bc1284e8bdd4 Mon Sep 17 00:00:00 2001 From: Reinhard Tartler Date: Mon, 10 Oct 2011 17:43:39 +0200 Subject: Imported nx-X11-3.1.0-1.tar.gz Summary: Imported nx-X11-3.1.0-1.tar.gz Keywords: Imported nx-X11-3.1.0-1.tar.gz into Git repository --- nx-X11/lib/font/Speedo/spfont.c | 453 ++++++++++++++++++++++++++++++++++++++++ 1 file changed, 453 insertions(+) create mode 100644 nx-X11/lib/font/Speedo/spfont.c (limited to 'nx-X11/lib/font/Speedo/spfont.c') diff --git a/nx-X11/lib/font/Speedo/spfont.c b/nx-X11/lib/font/Speedo/spfont.c new file mode 100644 index 000000000..c209d5a51 --- /dev/null +++ b/nx-X11/lib/font/Speedo/spfont.c @@ -0,0 +1,453 @@ +/* $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 +#endif +#include +#include "spint.h" +#include +#ifndef FONTMODULE +#ifdef _XOPEN_SOURCE +#include +#else +#define _XOPEN_SOURCE /* to get prototype for hypot on some systems */ +#include +#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); + +} -- cgit v1.2.3