321 lines
10 KiB
C
321 lines
10 KiB
C
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/*
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* PostScript driver Type42 font functions
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*
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* Copyright 2002 Huw D M Davies for CodeWeavers
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#include <string.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <assert.h>
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#include "winspool.h"
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#include "psdrv.h"
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#include "wine/debug.h"
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#include "winerror.h"
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#include "config.h"
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#include "wine/port.h"
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WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
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#define GET_BE_WORD(ptr) MAKEWORD( ((BYTE *)(ptr))[1], ((BYTE *)(ptr))[0] )
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#define GET_BE_DWORD(ptr) ((DWORD)MAKELONG( GET_BE_WORD(&((WORD *)(ptr))[1]), \
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GET_BE_WORD(&((WORD *)(ptr))[0]) ))
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#define MS_MAKE_TAG( _x1, _x2, _x3, _x4 ) \
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( ( (DWORD)_x4 << 24 ) | \
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( (DWORD)_x3 << 16 ) | \
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( (DWORD)_x2 << 8 ) | \
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(DWORD)_x1 )
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typedef struct {
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DWORD MS_tag;
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DWORD len, check;
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BYTE *data;
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BOOL write;
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} OTTable;
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const OTTable tables_templ[] = {
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{ MS_MAKE_TAG('c','v','t',' '), 0, 0, NULL, TRUE },
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{ MS_MAKE_TAG('f','p','g','m'), 0, 0, NULL, TRUE },
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{ MS_MAKE_TAG('g','d','i','r'), 0, 0, NULL, TRUE },
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{ MS_MAKE_TAG('g','l','y','f'), 0, 0, NULL, FALSE },
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{ MS_MAKE_TAG('h','e','a','d'), 0, 0, NULL, TRUE },
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{ MS_MAKE_TAG('h','h','e','a'), 0, 0, NULL, TRUE },
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{ MS_MAKE_TAG('h','m','t','x'), 0, 0, NULL, FALSE },
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{ MS_MAKE_TAG('l','o','c','a'), 0, 0, NULL, FALSE },
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{ MS_MAKE_TAG('m','a','x','p'), 0, 0, NULL, TRUE },
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{ MS_MAKE_TAG('p','r','e','p'), 0, 0, NULL, TRUE },
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{ 0, 0, 0, NULL, 0 }
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};
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struct tagTYPE42 {
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OTTable tables[sizeof(tables_templ)/sizeof(tables_templ[0])];
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int glyf_tab, loca_tab, head_tab; /* indices of glyf, loca and head tables */
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int hmtx_tab;
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DWORD glyph_sent_size;
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BOOL *glyph_sent;
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DWORD emsize;
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};
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#define GLYPH_SENT_INC 128
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#define FLIP_ORDER(x) \
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( ( ((x) & 0xff) << 24) | \
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( ((x) & 0xff00) << 8) | \
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( ((x) & 0xff0000) >> 8) | \
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( ((x) & 0xff000000) >> 24) )
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/* Some flags for composite glyphs. See glyf table in OT spec */
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#define ARG_1_AND_2_ARE_WORDS (1L << 0)
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#define WE_HAVE_A_SCALE (1L << 3)
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#define MORE_COMPONENTS (1L << 5)
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#define WE_HAVE_AN_X_AND_Y_SCALE (1L << 6)
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#define WE_HAVE_A_TWO_BY_TWO (1L << 7)
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static BOOL LoadTable(HDC hdc, OTTable *table)
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{
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int i;
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if(table->MS_tag == MS_MAKE_TAG('g','d','i','r')) return TRUE;
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table->len = GetFontData(hdc, table->MS_tag, 0, NULL, 0);
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table->data = HeapAlloc(GetProcessHeap(), 0, (table->len + 3) & ~3 );
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memset(table->data + ((table->len - 1) & ~3), 0, sizeof(DWORD));
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GetFontData(hdc, table->MS_tag, 0, table->data, table->len);
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table->check = 0;
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for(i = 0; i < (table->len + 3) / 4; i++)
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table->check += FLIP_ORDER(*((DWORD*)(table->data) + i));
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return TRUE;
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}
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TYPE42 *T42_download_header(PSDRV_PDEVICE *physDev, LPOUTLINETEXTMETRICA potm,
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char *ps_name)
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{
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DWORD i, j, tablepos;
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WORD num_of_tables = sizeof(tables_templ) / sizeof(tables_templ[0]) - 1;
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WORD num_of_write_tables = 0;
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char *buf;
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TYPE42 *t42;
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char start[] = /* name, fontbbox */
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"25 dict begin\n"
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" /FontName /%s def\n"
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" /Encoding 256 array 0 1 255{1 index exch /.notdef put} for\n"
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" def\n"
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" /PaintType 0 def\n"
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" /FontMatrix [1 0 0 1 0 0] def\n"
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" /FontBBox [%f %f %f %f] def\n"
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" /FontType 42 def\n"
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" /CharStrings 256 dict begin\n"
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" /.notdef 0 def\n"
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" currentdict end def\n"
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" /GlyphDirectory 256 dict def\n"
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" /Metrics 256 dict def\n"
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" /sfnts [\n";
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char TT_offset_table[] = "<00010000%04x%04x%04x%04x\n";
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char TT_table_dir_entry[] = "%08lx%08lx%08lx%08lx\n";
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char end[] = "] def\n"
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"currentdict end dup /FontName get exch definefont pop\n";
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t42 = HeapAlloc(GetProcessHeap(), 0, sizeof(*t42));
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memcpy(t42->tables, tables_templ, sizeof(tables_templ));
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t42->loca_tab = t42->glyf_tab = t42->head_tab = t42->hmtx_tab = -1;
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t42->glyph_sent_size = GLYPH_SENT_INC;
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t42->glyph_sent = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
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t42->glyph_sent_size *
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sizeof(*(t42->glyph_sent)));
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t42->emsize = potm->otmEMSquare;
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for(i = 0; i < num_of_tables; i++) {
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LoadTable(physDev->hdc, t42->tables + i);
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if(t42->tables[i].write) num_of_write_tables++;
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if(t42->tables[i].MS_tag == MS_MAKE_TAG('l','o','c','a'))
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t42->loca_tab = i;
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else if(t42->tables[i].MS_tag == MS_MAKE_TAG('g','l','y','f'))
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t42->glyf_tab = i;
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else if(t42->tables[i].MS_tag == MS_MAKE_TAG('h','e','a','d'))
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t42->head_tab = i;
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else if(t42->tables[i].MS_tag == MS_MAKE_TAG('h','m','t','x'))
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t42->hmtx_tab = i;
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}
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buf = HeapAlloc(GetProcessHeap(), 0, sizeof(start) + strlen(ps_name) +
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100);
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sprintf(buf, start, ps_name,
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(float)potm->otmrcFontBox.left / potm->otmEMSquare,
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(float)potm->otmrcFontBox.bottom / potm->otmEMSquare,
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(float)potm->otmrcFontBox.right / potm->otmEMSquare,
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(float)potm->otmrcFontBox.top / potm->otmEMSquare);
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PSDRV_WriteSpool(physDev, buf, strlen(buf));
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sprintf(buf, TT_offset_table, num_of_write_tables,
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num_of_write_tables, num_of_write_tables, num_of_write_tables);
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PSDRV_WriteSpool(physDev, buf, strlen(buf));
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tablepos = 12 + num_of_write_tables * 16;
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for(i = 0; i < num_of_tables; i++) {
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if(!t42->tables[i].write) continue;
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sprintf(buf, TT_table_dir_entry, FLIP_ORDER(t42->tables[i].MS_tag),
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t42->tables[i].check, t42->tables[i].len ? tablepos : 0,
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t42->tables[i].len);
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PSDRV_WriteSpool(physDev, buf, strlen(buf));
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tablepos += ((t42->tables[i].len + 3) & ~3);
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}
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PSDRV_WriteSpool(physDev, ">\n", 2);
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for(i = 0; i < num_of_tables; i++) {
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if(t42->tables[i].len == 0 || !t42->tables[i].write) continue;
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PSDRV_WriteSpool(physDev, "<", 1);
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for(j = 0; j < ((t42->tables[i].len + 3) & ~3); j++) {
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sprintf(buf, "%02x", t42->tables[i].data[j]);
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PSDRV_WriteSpool(physDev, buf, strlen(buf));
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if(j % 16 == 15) PSDRV_WriteSpool(physDev, "\n", 1);
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}
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PSDRV_WriteSpool(physDev, ">\n", 2);
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}
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PSDRV_WriteSpool(physDev, end, sizeof(end) - 1);
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HeapFree(GetProcessHeap(), 0, buf);
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return t42;
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}
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BOOL T42_download_glyph(PSDRV_PDEVICE *physDev, DOWNLOAD *pdl, DWORD index,
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char *glyph_name)
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{
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DWORD start, end, i;
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char *buf;
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TYPE42 *t42;
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WORD loca_format;
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WORD awidth;
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short lsb;
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char glyph_def[] =
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"/%s findfont exch 1 index /GlyphDirectory get\n"
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"begin\n"
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" %d exch def\n"
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"end\n"
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"dup /CharStrings get\n"
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"begin\n"
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" /%s %d def\n"
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"end\n"
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"/Metrics get\n"
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"begin\n"
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" /%s [%f %f] def\n"
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"end\n";
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TRACE("%ld %s\n", index, glyph_name);
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assert(pdl->type == Type42);
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t42 = pdl->typeinfo.Type42;
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if(index < t42->glyph_sent_size) {
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if(t42->glyph_sent[index])
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return TRUE;
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} else {
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t42->glyph_sent_size = (index / GLYPH_SENT_INC + 1) * GLYPH_SENT_INC;
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t42->glyph_sent = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
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t42->glyph_sent,
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t42->glyph_sent_size * sizeof(*(t42->glyph_sent)));
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}
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buf = HeapAlloc(GetProcessHeap(), 0, sizeof(glyph_def) +
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strlen(pdl->ps_name) + 100);
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loca_format = GET_BE_WORD(t42->tables[t42->head_tab].data + 50);
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TRACE("loca_format = %d\n", loca_format);
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switch(loca_format) {
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case 0:
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start = GET_BE_WORD(((WORD*)t42->tables[t42->loca_tab].data) + index);
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start <<= 1;
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end = GET_BE_WORD(((WORD*)t42->tables[t42->loca_tab].data) + index + 1);
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end <<= 1;
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break;
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case 1:
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start = GET_BE_DWORD(((DWORD*)t42->tables[t42->loca_tab].data) + index);
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end = GET_BE_DWORD(((DWORD*)t42->tables[t42->loca_tab].data) + index + 1);
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break;
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default:
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ERR("Unknown loca_format %d\n", loca_format);
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return FALSE;
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}
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TRACE("start = %lx end = %lx\n", start, end);
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awidth = GET_BE_WORD(t42->tables[t42->hmtx_tab].data + index * 4);
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lsb = GET_BE_WORD(t42->tables[t42->hmtx_tab].data + index * 4 + 2);
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if(GET_BE_WORD(t42->tables[t42->glyf_tab].data + start) == 0xffff) {
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/* Composite glyph */
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char *sg_start = t42->tables[t42->glyf_tab].data + start + 10;
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DWORD sg_flags, sg_index;
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char sg_name[MAX_G_NAME + 1];
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do {
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sg_flags = GET_BE_WORD(sg_start);
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sg_index = GET_BE_WORD(sg_start + 2);
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TRACE("Sending subglyph %04lx for glyph %04lx\n", sg_index, index);
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get_glyph_name(physDev->hdc, sg_index, sg_name);
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T42_download_glyph(physDev, pdl, sg_index, sg_name);
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sg_start += 4;
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if(sg_flags & ARG_1_AND_2_ARE_WORDS)
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sg_start += 4;
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else
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sg_start += 2;
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if(sg_flags & WE_HAVE_A_SCALE)
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sg_start += 2;
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else if(sg_flags & WE_HAVE_AN_X_AND_Y_SCALE)
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sg_start += 4;
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else if(sg_flags & WE_HAVE_A_TWO_BY_TWO)
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sg_start += 8;
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} while(sg_flags & MORE_COMPONENTS);
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}
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sprintf(buf, "%%%%glyph %04lx\n", index);
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PSDRV_WriteSpool(physDev, buf, strlen(buf));
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PSDRV_WriteSpool(physDev, "<", 1);
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for(i = start; i < end; i++) {
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sprintf(buf, "%02x", *(t42->tables[t42->glyf_tab].data + i));
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PSDRV_WriteSpool(physDev, buf, strlen(buf));
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if((i - start) % 16 == 15)
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PSDRV_WriteSpool(physDev, "\n", 1);
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}
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PSDRV_WriteSpool(physDev, ">\n", 2);
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sprintf(buf, glyph_def, pdl->ps_name, index, glyph_name, index,
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glyph_name, (float)lsb / t42->emsize, (float)awidth / t42->emsize);
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PSDRV_WriteSpool(physDev, buf, strlen(buf));
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t42->glyph_sent[index] = TRUE;
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HeapFree(GetProcessHeap(), 0, buf);
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return TRUE;
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}
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void T42_free(TYPE42 *t42)
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{
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OTTable *table;
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for(table = t42->tables; table->MS_tag; table++)
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HeapFree(GetProcessHeap(), 0, table->data);
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HeapFree(GetProcessHeap(), 0, t42->glyph_sent);
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HeapFree(GetProcessHeap(), 0, t42);
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return;
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}
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