309 lines
8.4 KiB
C
309 lines
8.4 KiB
C
/*
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* PostScript driver Type1 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., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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#include "config.h"
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#include "wine/port.h"
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#include <string.h>
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#include <stdlib.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include <assert.h>
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#include "windef.h"
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#include "winbase.h"
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#include "wingdi.h"
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#include "psdrv.h"
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#include "wine/debug.h"
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WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
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struct tagTYPE1 {
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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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/* Type 1 font commands */
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enum t1_cmds {
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rlineto = 5,
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rrcurveto = 8,
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closepath = 9,
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hsbw = 13,
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endchar = 14,
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rmoveto = 21
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};
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TYPE1 *T1_download_header(PSDRV_PDEVICE *physDev, char *ps_name, RECT *bbox, UINT emsize)
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{
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char *buf;
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TYPE1 *t1;
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char dict[] = /* name, emsquare, 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 def\n"
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" /PaintType 0 def\n"
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" /FontMatrix [1 %d div 0 0 1 %d div 0 0] def\n"
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" /FontBBox [%d %d %d %d] def\n"
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" /FontType 1 def\n"
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" /Private 7 dict begin\n"
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" /RD {string currentfile exch readhexstring pop} def\n"
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" /ND {def} def\n"
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" /NP {put} def\n"
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" /MinFeature {16 16} def\n"
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" /BlueValues [] def\n"
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" /password 5839 def\n"
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" /lenIV -1 def\n"
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" currentdict end def\n"
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" currentdict dup /Private get begin\n"
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" /CharStrings 256 dict begin\n"
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" /.notdef 4 RD 8b8b0d0e ND\n"
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" currentdict end put\n"
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" end\n"
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"currentdict end dup /FontName get exch definefont pop\n";
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t1 = HeapAlloc(GetProcessHeap(), 0, sizeof(*t1));
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t1->emsize = emsize;
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t1->glyph_sent_size = GLYPH_SENT_INC;
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t1->glyph_sent = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
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t1->glyph_sent_size *
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sizeof(*(t1->glyph_sent)));
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buf = HeapAlloc(GetProcessHeap(), 0, sizeof(dict) + strlen(ps_name) +
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100);
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sprintf(buf, dict, ps_name, t1->emsize, t1->emsize,
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bbox->left, bbox->bottom, bbox->right, bbox->top);
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PSDRV_WriteSpool(physDev, buf, strlen(buf));
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HeapFree(GetProcessHeap(), 0, buf);
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return t1;
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}
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typedef struct {
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BYTE *str;
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int len, max_len;
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} STR;
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static STR *str_init(int sz)
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{
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STR *str = HeapAlloc(GetProcessHeap(), 0, sizeof(*str));
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str->max_len = sz;
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str->str = HeapAlloc(GetProcessHeap(), 0, str->max_len);
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str->len = 0;
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return str;
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}
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static void str_free(STR *str)
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{
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HeapFree(GetProcessHeap(), 0, str->str);
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HeapFree(GetProcessHeap(), 0, str);
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}
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static void str_add_byte(STR *str, BYTE b)
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{
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if(str->len == str->max_len) {
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str->max_len *= 2;
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str->str = HeapReAlloc(GetProcessHeap(), 0, str->str, str->max_len);
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}
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str->str[str->len++] = b;
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}
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static void str_add_num(STR *str, int num)
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{
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if(num <= 107 && num >= -107)
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str_add_byte(str, num + 139);
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else if(num >= 108 && num <= 1131) {
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str_add_byte(str, ((num - 108) >> 8) + 247);
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str_add_byte(str, (num - 108) & 0xff);
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} else if(num <= -108 && num >= -1131) {
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num = -num;
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str_add_byte(str, ((num - 108) >> 8) + 251);
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str_add_byte(str, (num - 108) & 0xff);
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} else {
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str_add_byte(str, 0xff);
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str_add_byte(str, (num >> 24) & 0xff);
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str_add_byte(str, (num >> 16) & 0xff);
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str_add_byte(str, (num >> 8) & 0xff);
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str_add_byte(str, (num & 0xff));
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}
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}
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static void str_add_point(STR *str, POINTFX *pt, POINT *curpos)
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{
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POINT newpos;
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newpos.x = pt->x.value + ((pt->x.fract >> 15) & 0x1);
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newpos.y = pt->y.value + ((pt->y.fract >> 15) & 0x1);
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str_add_num(str, newpos.x - curpos->x);
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str_add_num(str, newpos.y - curpos->y);
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*curpos = newpos;
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}
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static void str_add_cmd(STR *str, enum t1_cmds cmd)
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{
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str_add_byte(str, (BYTE)cmd);
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}
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static int str_get_bytes(STR *str, BYTE **b)
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{
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*b = str->str;
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return str->len;
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}
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BOOL T1_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 len, i;
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char *buf;
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TYPE1 *t1;
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STR *charstring;
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BYTE *bytes;
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HFONT old_font, unscaled_font;
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GLYPHMETRICS gm;
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char *glyph_buf;
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POINT curpos;
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TTPOLYGONHEADER *pph;
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TTPOLYCURVE *ppc;
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LOGFONTW lf;
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RECT rc;
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char glyph_def_begin[] =
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"/%s findfont dup\n"
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"/Private get begin\n"
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"/CharStrings get begin\n"
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"/%s %d RD\n";
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char glyph_def_end[] =
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"ND\n"
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"end end\n";
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TRACE("%d %s\n", index, glyph_name);
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assert(pdl->type == Type1);
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t1 = pdl->typeinfo.Type1;
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if(index < t1->glyph_sent_size) {
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if(t1->glyph_sent[index])
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return TRUE;
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} else {
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t1->glyph_sent_size = (index / GLYPH_SENT_INC + 1) * GLYPH_SENT_INC;
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t1->glyph_sent = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
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t1->glyph_sent,
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t1->glyph_sent_size * sizeof(*(t1->glyph_sent)));
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}
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GetObjectW(GetCurrentObject(physDev->hdc, OBJ_FONT), sizeof(lf), &lf);
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rc.left = rc.right = rc.bottom = 0;
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rc.top = t1->emsize;
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DPtoLP(physDev->hdc, (POINT*)&rc, 2);
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lf.lfHeight = -abs(rc.top - rc.bottom);
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lf.lfOrientation = lf.lfEscapement = 0;
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unscaled_font = CreateFontIndirectW(&lf);
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old_font = SelectObject(physDev->hdc, unscaled_font);
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len = GetGlyphOutlineW(physDev->hdc, index, GGO_GLYPH_INDEX | GGO_BEZIER,
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&gm, 0, NULL, NULL);
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if(len == GDI_ERROR) return FALSE;
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glyph_buf = HeapAlloc(GetProcessHeap(), 0, len);
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GetGlyphOutlineW(physDev->hdc, index, GGO_GLYPH_INDEX | GGO_BEZIER,
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&gm, len, glyph_buf, NULL);
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SelectObject(physDev->hdc, old_font);
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DeleteObject(unscaled_font);
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charstring = str_init(100);
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curpos.x = gm.gmptGlyphOrigin.x;
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curpos.y = 0;
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str_add_num(charstring, curpos.x);
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str_add_num(charstring, gm.gmCellIncX);
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str_add_cmd(charstring, hsbw);
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pph = (TTPOLYGONHEADER*)glyph_buf;
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while((char*)pph < glyph_buf + len) {
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TRACE("contour len %d\n", pph->cb);
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ppc = (TTPOLYCURVE*)((char*)pph + sizeof(*pph));
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str_add_point(charstring, &pph->pfxStart, &curpos);
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str_add_cmd(charstring, rmoveto);
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while((char*)ppc < (char*)pph + pph->cb) {
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TRACE("line type %d cpfx = %d\n", ppc->wType, ppc->cpfx);
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switch(ppc->wType) {
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case TT_PRIM_LINE:
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for(i = 0; i < ppc->cpfx; i++) {
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str_add_point(charstring, ppc->apfx + i, &curpos);
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str_add_cmd(charstring, rlineto);
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}
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break;
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case TT_PRIM_CSPLINE:
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for(i = 0; i < ppc->cpfx/3; i++) {
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str_add_point(charstring, ppc->apfx + 3 * i, &curpos);
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str_add_point(charstring, ppc->apfx + 3 * i + 1, &curpos);
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str_add_point(charstring, ppc->apfx + 3 * i + 2, &curpos);
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str_add_cmd(charstring, rrcurveto);
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}
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break;
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default:
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ERR("curve type = %d\n", ppc->wType);
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return FALSE;
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}
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ppc = (TTPOLYCURVE*)((char*)ppc + sizeof(*ppc) +
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(ppc->cpfx - 1) * sizeof(POINTFX));
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}
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str_add_cmd(charstring, closepath);
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pph = (TTPOLYGONHEADER*)((char*)pph + pph->cb);
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}
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str_add_cmd(charstring, endchar);
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buf = HeapAlloc(GetProcessHeap(), 0, sizeof(glyph_def_begin) +
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strlen(pdl->ps_name) + strlen(glyph_name) + 100);
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sprintf(buf, "%%%%glyph %04x\n", index);
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PSDRV_WriteSpool(physDev, buf, strlen(buf));
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len = str_get_bytes(charstring, &bytes);
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sprintf(buf, glyph_def_begin, pdl->ps_name, glyph_name, len);
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PSDRV_WriteSpool(physDev, buf, strlen(buf));
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PSDRV_WriteBytes(physDev, bytes, len);
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sprintf(buf, glyph_def_end);
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PSDRV_WriteSpool(physDev, buf, strlen(buf));
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str_free(charstring);
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t1->glyph_sent[index] = TRUE;
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HeapFree(GetProcessHeap(), 0, glyph_buf);
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HeapFree(GetProcessHeap(), 0, buf);
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return TRUE;
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}
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void T1_free(TYPE1 *t1)
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{
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HeapFree(GetProcessHeap(), 0, t1->glyph_sent);
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HeapFree(GetProcessHeap(), 0, t1);
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return;
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}
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