diff options
Diffstat (limited to 'hw/xprint/pcl/PclSFonts.c')
| -rw-r--r-- | hw/xprint/pcl/PclSFonts.c | 429 |
1 files changed, 429 insertions, 0 deletions
diff --git a/hw/xprint/pcl/PclSFonts.c b/hw/xprint/pcl/PclSFonts.c new file mode 100644 index 000000000..287c5c14f --- /dev/null +++ b/hw/xprint/pcl/PclSFonts.c @@ -0,0 +1,429 @@ +/* $Xorg: PclSFonts.c,v 1.3 2000/08/17 19:48:08 cpqbld Exp $ */ +/******************************************************************* +** +** ********************************************************* +** * +** * File: PclSFonts.c +** * +** * Contents: +** * Send Soft Font Download data to the specified +** * file pointer. +** * +** * Created: 3/4/96 +** * +** ********************************************************* +** +********************************************************************/ +/* +(c) Copyright 1996 Hewlett-Packard Company +(c) Copyright 1996 International Business Machines Corp. +(c) Copyright 1996 Sun Microsystems, Inc. +(c) Copyright 1996 Novell, Inc. +(c) Copyright 1996 Digital Equipment Corp. +(c) Copyright 1996 Fujitsu Limited +(c) Copyright 1996 Hitachi, Ltd. + +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 +COPYRIGHT HOLDERS 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 names of the copyright holders shall +not be used in advertising or otherwise to promote the sale, use or other +dealings in this Software without prior written authorization from said +copyright holders. +*/ +/* $XFree86: xc/programs/Xserver/Xprint/pcl/PclSFonts.c,v 1.7tsi Exp $ */ + + +#ifdef HAVE_DIX_CONFIG_H +#include <dix-config.h> +#endif + +#include <stdio.h> +#include "Pcl.h" + +static char tmp1; +static short tmp2; +#define Put1byte(fp, x) tmp1=x; fwrite((char *)&tmp1, 1, 1, fp) +#define Put2bytes(fp, x) tmp2=x; fwrite((char *)&tmp2, 2, 1, fp) + +#define ESC 0x1b +#define SYMBOL_SET 277 + +static unsigned int PclDownloadChar(FILE *,PclCharDataPtr,unsigned short,unsigned char); +static unsigned int PclDownloadHeader(FILE *, PclFontDescPtr, unsigned short); + +#ifdef PCL_FONT_COMPRESS +static unsigned char *compress_bitmap_data(PclCharDataPtr, unsigned int *); +#endif /* PCL_FONT_COMPRESS */ + +/* -*- PclDownloadSoftFont8 -*- + * Send the Character Definition Command for 8-bit font + * **************************************************************************/ +void +PclDownloadSoftFont8( + FILE *fp, + PclSoftFontInfoPtr pSoftFontInfo, + PclFontHead8Ptr pfh, + PclCharDataPtr pcd, + unsigned char *code +) +{ + /* + * Check whether the font header has already been downloaded. + * If not, download it. + */ + + if ( !pfh->fid ) { + pfh->fid = pSoftFontInfo->cur_max_fid++; + PclDownloadHeader(fp, &(pfh->fd), pfh->fid); + } + pfh->index[*code] = *code; + PclDownloadChar(fp, pcd, pfh->fid, pfh->index[*code]); + +} + +/* -*- PclDownloadSoftFont16 -*- + * Send the Character Definition Command for 16 bit font + * **************************************************************************/ +void +PclDownloadSoftFont16( + FILE *fp, + PclSoftFontInfoPtr pSoftFontInfo, + PclFontHead16Ptr pfh, + PclCharDataPtr pcd, + unsigned char row, + unsigned char col +) +{ + /* + * Check whether the font header is already downloaded. + * If not, download it. + */ + + if ( !pfh->cur_cindex ) { + pfh->cur_fid = pSoftFontInfo->cur_max_fid++; + PclDownloadHeader(fp, &(pfh->fd), pfh->cur_fid); + } + pfh->index[row][col].fid = pfh->cur_fid; + pfh->index[row][col].cindex = pfh->cur_cindex++; + + PclDownloadChar(fp, pcd, pfh->index[row][col].fid, pfh->index[row][col].cindex); +} + +/* -*- PclCreateSoftFontInfo -*- + * Create and Initialize the structure for storing the information + * of the downloaded soft font. + * **************************************************************************/ +PclSoftFontInfoPtr +PclCreateSoftFontInfo(void) +{ +PclSoftFontInfoPtr pSoftFontInfo; + + pSoftFontInfo = (PclSoftFontInfoPtr)xalloc(sizeof(PclSoftFontInfoRec)); + if ( pSoftFontInfo == (PclSoftFontInfoPtr) NULL) + return (PclSoftFontInfoPtr) NULL; + pSoftFontInfo->phead8 = (PclFontHead8Ptr)NULL; + pSoftFontInfo->phead16 = (PclFontHead16Ptr)NULL; + pSoftFontInfo->pinfont = (PclInternalFontPtr)NULL; + pSoftFontInfo->cur_max_fid = 1; + return pSoftFontInfo; +} + +/* -*- PclDestroySoftFontInfo -*- + * Destroy the soft font information structure + * **************************************************************************/ +void +PclDestroySoftFontInfo( PclSoftFontInfoPtr pSoftFontInfo ) +{ +PclFontHead8Ptr pfh8, pfh8_next; +PclFontHead16Ptr pfh16, pfh16_next; +PclInternalFontPtr pin, pin_next; +unsigned char nindex_row; +int i; + + if ( pSoftFontInfo == (PclSoftFontInfoPtr) NULL ) + return; + + pfh8 = pSoftFontInfo->phead8; + while (pfh8 != (PclFontHead8Ptr) NULL) { + xfree(pfh8->fontname); + xfree(pfh8->index); + pfh8_next = pfh8->next; + xfree(pfh8); + pfh8 = pfh8_next; + } + + pfh16 = pSoftFontInfo->phead16; + while (pfh16 != (PclFontHead16Ptr) NULL) { + xfree(pfh16->fontname); + nindex_row = pfh16->lastRow - pfh16->firstRow + 1; + for (i=0; i<nindex_row; i++) + xfree(pfh16->index[i]); + xfree(pfh16->index); + pfh16_next = pfh16->next; + xfree(pfh16); + pfh16 = pfh16_next; + } + + pin = pSoftFontInfo->pinfont; + while (pin != (PclInternalFontPtr) NULL) { + xfree(pin->fontname); + pin_next = pin->next; + xfree(pin); + pin = pin_next; + } + + xfree(pSoftFontInfo); +} + +/* -*- PclDownloadHeader -*- + * Send the Font Header Commnad. + * Format 0 : Font Header for Pcl Bitmapped Fonts + * Format 20 : Font Header for Resolution Specified Bitmapped Fonts + * **************************************************************************/ +static unsigned int +PclDownloadHeader( + FILE *fp, + PclFontDescPtr fd, + unsigned short fid +) +{ +int nbytes; + +#ifdef XP_PCL_LJ3 + nbytes = 64; +#else + nbytes = 68; +#endif /* XP_PCL_LJ3 */ + /* + * Font ID Command : Esc *c#D + * (Default = 0, Range = 0 - 32767) + */ + fprintf(fp, "%c*c%dD", ESC, fid); + + /* + * Font Header Commnad : Esc )s#W[font header data] + * (Default = 0, Range = 0 - 32767) + */ + fprintf(fp, "%c)s%dW", ESC, nbytes); + + Put2bytes(fp, nbytes); /* Font Description Size */ +#ifdef XP_PCL_LJ3 + Put1byte(fp, 0); /* Header Format */ +#else + Put1byte(fp, 20); /* Header Format */ +#endif /* XP_PCL_LJ3 */ + Put1byte(fp, 2); /* Font Type */ + Put2bytes(fp, 0); /* Style MSB */ + Put2bytes(fp, fd->ascent); /* BaseLine Position */ + Put2bytes(fp, fd->cellwidth); /* Cell Width */ + Put2bytes(fp, fd->cellheight); /* Cell Height */ + Put1byte(fp, 0); /* Orienation */ + Put1byte(fp, fd->spacing); /* Spacing */ + Put2bytes(fp, SYMBOL_SET); /* Symbol Set */ + Put2bytes(fp, fd->pitch*4); /* font pitch */ + Put2bytes(fp, fd->cellheight * 4); /* Height */ + Put2bytes(fp, 0); /* x-Height */ + Put1byte(fp, 0); /* width type (normal) */ + Put1byte(fp, 0); /* Style LSB */ + Put1byte(fp, 0); /* Stroke Weight */ + Put1byte(fp, 5); /* Typeface LSB */ + Put1byte(fp, 0); /* Typeface MSB */ + Put1byte(fp, 0); /* Serif Style */ + Put1byte(fp, 0); /* Quality */ + Put1byte(fp, 0); /* Placement */ + Put1byte(fp, 0); /* Underline Position */ + Put1byte(fp, 0); /* Underline Thickness */ + Put2bytes(fp, fd->cellheight*1.2); /* Text Height */ + Put2bytes(fp, fd->cellwidth * 4); /* Text Width */ + Put2bytes(fp, 0); /* First Code */ + Put2bytes(fp, 255); /* Last Code */ + Put1byte(fp, 0); /* Pitch Extend */ + Put1byte(fp, 0); /* Height Extend */ + Put2bytes(fp, 0); /* Cap Height */ + Put2bytes(fp, 0); /* Font Number 1 */ + Put2bytes(fp, 0); /* Font Number 2 */ + Put2bytes(fp, 0); /* Font Name */ + Put2bytes(fp, 0); /* Font Name */ + Put2bytes(fp, 0); /* Font Name */ + Put2bytes(fp, 0); /* Font Name */ + Put2bytes(fp, 0); /* Font Name */ + Put2bytes(fp, 0); /* Font Name */ + Put2bytes(fp, 0); /* Font Name */ + Put2bytes(fp, 0); /* Font Name */ + +#ifdef XP_PCL_LJ3 + return 64; +#else + Put2bytes(fp, 300); /* X Resolution */ + Put2bytes(fp, 300); /* Y Resolution */ + return 68; +#endif /* XP_PCL_LJ3 */ + +} + +/* -*- PclDownloadCharacter -*- + * Send the Character Definition Command. + * **************************************************************************/ +static unsigned int +PclDownloadChar( + FILE *fp, + PclCharDataPtr cd, + unsigned short fid, + unsigned char code +) +{ +unsigned int nbytes, n; +unsigned char *raster; + + /* + * Font ID Command : Esc *c#D + * (Default = 0, Range = 0 - 32767) + * Character Code Command : Esc *c#E + * (Default = 0, Range = 0 - 65535) + */ + fprintf(fp, "%c*c%dd%dE", ESC, fid, code); + + /* + * Character Definition Command : Esc (s#W[character descriptor and data] + * (Default = N/A, Range = 0 - 32767) + */ + + nbytes = n = cd->height * ((cd->width + 7) / 8); +#ifdef PCL_FONT_COMPRESS + raster = compress_bitmap_data(cd, &nbytes); +#else + raster = (unsigned char *)NULL; +#endif /* PCL_FONT_COMPRESS */ + fprintf(fp, "%c(s%dW", ESC, nbytes + 16); + + Put1byte(fp, 4); /* Format */ + Put1byte(fp, 0); /* Continuation */ + Put1byte(fp, 14); /* Descriptor Size */ + if (raster) { /* Class */ + Put1byte(fp, 2); + } else { + Put1byte(fp, 1); /* Class */ + } + Put2bytes(fp, 0); /* Orientation */ + Put2bytes(fp, cd->h_offset); /* left offset */ + Put2bytes(fp, cd->v_offset); /* top offset */ + Put2bytes(fp, cd->width); /* character width */ + Put2bytes(fp, cd->height); /* character height */ + Put2bytes(fp, cd->font_pitch*4); /* delta X */ + + /* + * Raster Character Data + */ + if (raster) { + fwrite(raster, nbytes, 1, fp); + xfree(raster); + } else + fwrite(cd->raster_top, nbytes, 1, fp); + + return n + 16; +} + + +#ifdef PCL_FONT_COMPRESS +/* -*- compress_bitmap_data -*- + * Compress Bitmap data + * **************************************************************************/ +static unsigned char * +compress_bitmap_data( + PclCharDataPtr cd, + unsigned int *nbytes +) +{ +unsigned int byte_width; +unsigned char *raster, *rptr_s, *rptr_e, *rptr_end; +unsigned char *tmp_s, *tmp_ptr; +unsigned char *p; +unsigned char cur, pixel; +unsigned int num; + +int i, j, k, w; + + byte_width = (cd->width + 7) / 8; + *nbytes = cd->height * byte_width; + + /* Create buffer for storing compress bitmap glyph */ + raster = (unsigned char *)xalloc(*nbytes); + rptr_s = raster; + rptr_e = raster; + rptr_end = raster + *nbytes; + + tmp_s = (unsigned char *)xalloc(cd->width * 8 + 2); + + p = cd->raster_top; + for (i=0; i<cd->height; i++) { + tmp_ptr = tmp_s; + *tmp_ptr++ = 0; + if ( (*p>>7)&0x1 == 1 ) { + *tmp_ptr++ = 0; + cur = 1; + } else { + cur = 0; + } + num = 0; + for (j=0, w=0; j<byte_width; j++, p++) { + for (k=0; k<8 && w<cd->width; k++, w++) { + pixel = (*p>>(7-k))&0x1; + if ( pixel == cur ) { + num++; + } else { + cur = pixel; + while (num > 255) { + *tmp_ptr++ = 255; + *tmp_ptr++ = 0; + num -= 255; + } + *tmp_ptr++ = num; + num = 1; + } + } + } + if ( pixel == cur ) { + while (num > 255) { + *tmp_ptr++ = 255; + *tmp_ptr++ = 0; + num -= 255; + } + *tmp_ptr++ = num&0xff; + } else + *tmp_ptr++ = num; + + if ( ((rptr_e - rptr_s) == (tmp_ptr - tmp_s)) && + !memcmp(rptr_s+1, tmp_s+1, (tmp_ptr - tmp_s) - 1) ) + *rptr_s += 1; + else { + if ( rptr_e + (tmp_ptr - tmp_s) > rptr_end ) { + xfree(raster); + xfree(tmp_s); + return (unsigned char *)NULL; + } + memcpy (rptr_e, tmp_s, tmp_ptr - tmp_s); + rptr_s = rptr_e; + rptr_e = rptr_s + (tmp_ptr - tmp_s); + } + } + xfree(tmp_s); + *nbytes = rptr_e - raster; + + return raster; +} +#endif /* PCL_FONT_COMPRESS */ |