wine/dlls/wineps.drv/type1.c
2007-05-29 12:10:13 +02:00

309 lines
8.4 KiB
C

/*
* PostScript driver Type1 font functions
*
* Copyright 2002 Huw D M Davies for CodeWeavers
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include "config.h"
#include "wine/port.h"
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdio.h>
#include <assert.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "psdrv.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
struct tagTYPE1 {
DWORD glyph_sent_size;
BOOL *glyph_sent;
DWORD emsize;
};
#define GLYPH_SENT_INC 128
/* Type 1 font commands */
enum t1_cmds {
rlineto = 5,
rrcurveto = 8,
closepath = 9,
hsbw = 13,
endchar = 14,
rmoveto = 21
};
TYPE1 *T1_download_header(PSDRV_PDEVICE *physDev, char *ps_name, RECT *bbox, UINT emsize)
{
char *buf;
TYPE1 *t1;
char dict[] = /* name, emsquare, fontbbox */
"25 dict begin\n"
" /FontName /%s def\n"
" /Encoding 256 array 0 1 255{1 index exch /.notdef put} for def\n"
" /PaintType 0 def\n"
" /FontMatrix [1 %d div 0 0 1 %d div 0 0] def\n"
" /FontBBox [%d %d %d %d] def\n"
" /FontType 1 def\n"
" /Private 7 dict begin\n"
" /RD {string currentfile exch readhexstring pop} def\n"
" /ND {def} def\n"
" /NP {put} def\n"
" /MinFeature {16 16} def\n"
" /BlueValues [] def\n"
" /password 5839 def\n"
" /lenIV -1 def\n"
" currentdict end def\n"
" currentdict dup /Private get begin\n"
" /CharStrings 256 dict begin\n"
" /.notdef 4 RD 8b8b0d0e ND\n"
" currentdict end put\n"
" end\n"
"currentdict end dup /FontName get exch definefont pop\n";
t1 = HeapAlloc(GetProcessHeap(), 0, sizeof(*t1));
t1->emsize = emsize;
t1->glyph_sent_size = GLYPH_SENT_INC;
t1->glyph_sent = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
t1->glyph_sent_size *
sizeof(*(t1->glyph_sent)));
buf = HeapAlloc(GetProcessHeap(), 0, sizeof(dict) + strlen(ps_name) +
100);
sprintf(buf, dict, ps_name, t1->emsize, t1->emsize,
bbox->left, bbox->bottom, bbox->right, bbox->top);
PSDRV_WriteSpool(physDev, buf, strlen(buf));
HeapFree(GetProcessHeap(), 0, buf);
return t1;
}
typedef struct {
BYTE *str;
int len, max_len;
} STR;
static STR *str_init(int sz)
{
STR *str = HeapAlloc(GetProcessHeap(), 0, sizeof(*str));
str->max_len = sz;
str->str = HeapAlloc(GetProcessHeap(), 0, str->max_len);
str->len = 0;
return str;
}
static void str_free(STR *str)
{
HeapFree(GetProcessHeap(), 0, str->str);
HeapFree(GetProcessHeap(), 0, str);
}
static void str_add_byte(STR *str, BYTE b)
{
if(str->len == str->max_len) {
str->max_len *= 2;
str->str = HeapReAlloc(GetProcessHeap(), 0, str->str, str->max_len);
}
str->str[str->len++] = b;
}
static void str_add_num(STR *str, int num)
{
if(num <= 107 && num >= -107)
str_add_byte(str, num + 139);
else if(num >= 108 && num <= 1131) {
str_add_byte(str, ((num - 108) >> 8) + 247);
str_add_byte(str, (num - 108) & 0xff);
} else if(num <= -108 && num >= -1131) {
num = -num;
str_add_byte(str, ((num - 108) >> 8) + 251);
str_add_byte(str, (num - 108) & 0xff);
} else {
str_add_byte(str, 0xff);
str_add_byte(str, (num >> 24) & 0xff);
str_add_byte(str, (num >> 16) & 0xff);
str_add_byte(str, (num >> 8) & 0xff);
str_add_byte(str, (num & 0xff));
}
}
static void str_add_point(STR *str, POINTFX *pt, POINT *curpos)
{
POINT newpos;
newpos.x = pt->x.value + ((pt->x.fract >> 15) & 0x1);
newpos.y = pt->y.value + ((pt->y.fract >> 15) & 0x1);
str_add_num(str, newpos.x - curpos->x);
str_add_num(str, newpos.y - curpos->y);
*curpos = newpos;
}
static void str_add_cmd(STR *str, enum t1_cmds cmd)
{
str_add_byte(str, (BYTE)cmd);
}
static int str_get_bytes(STR *str, BYTE **b)
{
*b = str->str;
return str->len;
}
BOOL T1_download_glyph(PSDRV_PDEVICE *physDev, DOWNLOAD *pdl, DWORD index,
char *glyph_name)
{
DWORD len, i;
char *buf;
TYPE1 *t1;
STR *charstring;
BYTE *bytes;
HFONT old_font, unscaled_font;
GLYPHMETRICS gm;
char *glyph_buf;
POINT curpos;
TTPOLYGONHEADER *pph;
TTPOLYCURVE *ppc;
LOGFONTW lf;
RECT rc;
char glyph_def_begin[] =
"/%s findfont dup\n"
"/Private get begin\n"
"/CharStrings get begin\n"
"/%s %d RD\n";
char glyph_def_end[] =
"ND\n"
"end end\n";
TRACE("%d %s\n", index, glyph_name);
assert(pdl->type == Type1);
t1 = pdl->typeinfo.Type1;
if(index < t1->glyph_sent_size) {
if(t1->glyph_sent[index])
return TRUE;
} else {
t1->glyph_sent_size = (index / GLYPH_SENT_INC + 1) * GLYPH_SENT_INC;
t1->glyph_sent = HeapReAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY,
t1->glyph_sent,
t1->glyph_sent_size * sizeof(*(t1->glyph_sent)));
}
GetObjectW(GetCurrentObject(physDev->hdc, OBJ_FONT), sizeof(lf), &lf);
rc.left = rc.right = rc.bottom = 0;
rc.top = t1->emsize;
DPtoLP(physDev->hdc, (POINT*)&rc, 2);
lf.lfHeight = -abs(rc.top - rc.bottom);
lf.lfOrientation = lf.lfEscapement = 0;
unscaled_font = CreateFontIndirectW(&lf);
old_font = SelectObject(physDev->hdc, unscaled_font);
len = GetGlyphOutlineW(physDev->hdc, index, GGO_GLYPH_INDEX | GGO_BEZIER,
&gm, 0, NULL, NULL);
if(len == GDI_ERROR) return FALSE;
glyph_buf = HeapAlloc(GetProcessHeap(), 0, len);
GetGlyphOutlineW(physDev->hdc, index, GGO_GLYPH_INDEX | GGO_BEZIER,
&gm, len, glyph_buf, NULL);
SelectObject(physDev->hdc, old_font);
DeleteObject(unscaled_font);
charstring = str_init(100);
curpos.x = gm.gmptGlyphOrigin.x;
curpos.y = 0;
str_add_num(charstring, curpos.x);
str_add_num(charstring, gm.gmCellIncX);
str_add_cmd(charstring, hsbw);
pph = (TTPOLYGONHEADER*)glyph_buf;
while((char*)pph < glyph_buf + len) {
TRACE("contour len %d\n", pph->cb);
ppc = (TTPOLYCURVE*)((char*)pph + sizeof(*pph));
str_add_point(charstring, &pph->pfxStart, &curpos);
str_add_cmd(charstring, rmoveto);
while((char*)ppc < (char*)pph + pph->cb) {
TRACE("line type %d cpfx = %d\n", ppc->wType, ppc->cpfx);
switch(ppc->wType) {
case TT_PRIM_LINE:
for(i = 0; i < ppc->cpfx; i++) {
str_add_point(charstring, ppc->apfx + i, &curpos);
str_add_cmd(charstring, rlineto);
}
break;
case TT_PRIM_CSPLINE:
for(i = 0; i < ppc->cpfx/3; i++) {
str_add_point(charstring, ppc->apfx + 3 * i, &curpos);
str_add_point(charstring, ppc->apfx + 3 * i + 1, &curpos);
str_add_point(charstring, ppc->apfx + 3 * i + 2, &curpos);
str_add_cmd(charstring, rrcurveto);
}
break;
default:
ERR("curve type = %d\n", ppc->wType);
return FALSE;
}
ppc = (TTPOLYCURVE*)((char*)ppc + sizeof(*ppc) +
(ppc->cpfx - 1) * sizeof(POINTFX));
}
str_add_cmd(charstring, closepath);
pph = (TTPOLYGONHEADER*)((char*)pph + pph->cb);
}
str_add_cmd(charstring, endchar);
buf = HeapAlloc(GetProcessHeap(), 0, sizeof(glyph_def_begin) +
strlen(pdl->ps_name) + strlen(glyph_name) + 100);
sprintf(buf, "%%%%glyph %04x\n", index);
PSDRV_WriteSpool(physDev, buf, strlen(buf));
len = str_get_bytes(charstring, &bytes);
sprintf(buf, glyph_def_begin, pdl->ps_name, glyph_name, len);
PSDRV_WriteSpool(physDev, buf, strlen(buf));
PSDRV_WriteBytes(physDev, bytes, len);
sprintf(buf, glyph_def_end);
PSDRV_WriteSpool(physDev, buf, strlen(buf));
str_free(charstring);
t1->glyph_sent[index] = TRUE;
HeapFree(GetProcessHeap(), 0, glyph_buf);
HeapFree(GetProcessHeap(), 0, buf);
return TRUE;
}
void T1_free(TYPE1 *t1)
{
HeapFree(GetProcessHeap(), 0, t1->glyph_sent);
HeapFree(GetProcessHeap(), 0, t1);
return;
}