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431 lines
14 KiB
C
431 lines
14 KiB
C
/*
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* PostScript driver downloadable 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 <string.h>
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#include <stdlib.h>
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#include <assert.h>
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#include <math.h>
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#include <stdarg.h>
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#include <stdio.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 "winnls.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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#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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#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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/****************************************************************************
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* get_download_name
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*/
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static void get_download_name(PHYSDEV dev, LPOUTLINETEXTMETRICA potm, char **str)
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{
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int len;
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char *p;
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DWORD size;
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size = GetFontData(dev->hdc, MS_MAKE_TAG('n','a','m','e'), 0, NULL, 0);
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if(size != 0 && size != GDI_ERROR)
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{
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BYTE *name = HeapAlloc(GetProcessHeap(), 0, size);
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if(name)
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{
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USHORT count, i;
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BYTE *strings;
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struct
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{
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USHORT platform_id;
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USHORT encoding_id;
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USHORT language_id;
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USHORT name_id;
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USHORT length;
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USHORT offset;
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} *name_record;
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GetFontData(dev->hdc, MS_MAKE_TAG('n','a','m','e'), 0, name, size);
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count = GET_BE_WORD(name + 2);
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strings = name + GET_BE_WORD(name + 4);
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name_record = (typeof(name_record))(name + 6);
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for(i = 0; i < count; i++, name_record++)
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{
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name_record->platform_id = GET_BE_WORD(&name_record->platform_id);
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name_record->encoding_id = GET_BE_WORD(&name_record->encoding_id);
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name_record->language_id = GET_BE_WORD(&name_record->language_id);
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name_record->name_id = GET_BE_WORD(&name_record->name_id);
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name_record->length = GET_BE_WORD(&name_record->length);
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name_record->offset = GET_BE_WORD(&name_record->offset);
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if(name_record->platform_id == 1 && name_record->encoding_id == 0 &&
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name_record->language_id == 0 && name_record->name_id == 6)
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{
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TRACE("Got Mac PS name %s\n", debugstr_an((char*)strings + name_record->offset, name_record->length));
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*str = HeapAlloc(GetProcessHeap(), 0, name_record->length + 1);
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memcpy(*str, strings + name_record->offset, name_record->length);
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*(*str + name_record->length) = '\0';
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HeapFree(GetProcessHeap(), 0, name);
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return;
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}
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if(name_record->platform_id == 3 && name_record->encoding_id == 1 &&
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name_record->language_id == 0x409 && name_record->name_id == 6)
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{
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WCHAR *unicode = HeapAlloc(GetProcessHeap(), 0, name_record->length + 2);
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DWORD len;
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int c;
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for(c = 0; c < name_record->length / 2; c++)
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unicode[c] = GET_BE_WORD(strings + name_record->offset + c * 2);
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unicode[c] = 0;
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TRACE("Got Windows PS name %s\n", debugstr_w(unicode));
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len = WideCharToMultiByte(1252, 0, unicode, -1, NULL, 0, NULL, NULL);
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*str = HeapAlloc(GetProcessHeap(), 0, len);
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WideCharToMultiByte(1252, 0, unicode, -1, *str, len, NULL, NULL);
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HeapFree(GetProcessHeap(), 0, unicode);
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HeapFree(GetProcessHeap(), 0, name);
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return;
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}
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}
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TRACE("Unable to find PostScript name\n");
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HeapFree(GetProcessHeap(), 0, name);
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}
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}
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len = strlen((char*)potm + (ptrdiff_t)potm->otmpFullName) + 1;
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*str = HeapAlloc(GetProcessHeap(),0,len);
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strcpy(*str, (char*)potm + (ptrdiff_t)potm->otmpFullName);
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p = *str;
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while((p = strchr(p, ' ')))
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*p = '_';
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return;
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}
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/****************************************************************************
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* is_font_downloaded
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*/
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static DOWNLOAD *is_font_downloaded(PSDRV_PDEVICE *physDev, char *ps_name)
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{
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DOWNLOAD *pdl;
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for(pdl = physDev->downloaded_fonts; pdl; pdl = pdl->next)
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if(!strcmp(pdl->ps_name, ps_name))
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break;
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return pdl;
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}
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/****************************************************************************
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* is_room_for_font
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*/
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static BOOL is_room_for_font(PSDRV_PDEVICE *physDev)
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{
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DOWNLOAD *pdl;
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int count = 0;
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/* FIXME: should consider vm usage of each font and available printer memory.
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For now we allow up to two fonts to be downloaded at a time */
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for(pdl = physDev->downloaded_fonts; pdl; pdl = pdl->next)
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count++;
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if(count > 1)
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return FALSE;
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return TRUE;
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}
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/****************************************************************************
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* get_bbox
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*
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* This retrieves the bounding box of the font in font units as well as
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* the size of the emsquare. To avoid having to worry about mapping mode and
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* the font size we'll get the data directly from the TrueType HEAD table rather
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* than using GetOutlineTextMetrics.
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*/
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static BOOL get_bbox(HDC hdc, RECT *rc, UINT *emsize)
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{
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BYTE head[54]; /* the head table is 54 bytes long */
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if(GetFontData(hdc, MS_MAKE_TAG('h','e','a','d'), 0, head, sizeof(head)) == GDI_ERROR)
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{
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ERR("Can't retrieve head table\n");
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return FALSE;
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}
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*emsize = GET_BE_WORD(head + 18); /* unitsPerEm */
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if(rc)
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{
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rc->left = (signed short)GET_BE_WORD(head + 36); /* xMin */
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rc->bottom = (signed short)GET_BE_WORD(head + 38); /* yMin */
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rc->right = (signed short)GET_BE_WORD(head + 40); /* xMax */
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rc->top = (signed short)GET_BE_WORD(head + 42); /* yMax */
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}
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return TRUE;
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}
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/****************************************************************************
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* PSDRV_SelectDownloadFont
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*
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* Set up physDev->font for a downloadable font
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*
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*/
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BOOL PSDRV_SelectDownloadFont(PHYSDEV dev)
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{
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PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
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physDev->font.fontloc = Download;
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physDev->font.fontinfo.Download = NULL;
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return TRUE;
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}
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static UINT calc_ppem_for_height(HDC hdc, LONG height)
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{
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BYTE os2[78]; /* size of version 0 table */
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BYTE hhea[8]; /* just enough to get the ascender and descender */
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LONG ascent = 0, descent = 0;
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UINT emsize;
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if(height < 0) return -height;
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if(GetFontData(hdc, MS_MAKE_TAG('O','S','/','2'), 0, os2, sizeof(os2)) == sizeof(os2))
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{
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ascent = GET_BE_WORD(os2 + 74); /* usWinAscent */
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descent = GET_BE_WORD(os2 + 76); /* usWinDescent */
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}
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if(ascent + descent == 0)
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{
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if(GetFontData(hdc, MS_MAKE_TAG('h','h','e','a'), 0, hhea, sizeof(hhea)) == sizeof(hhea))
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{
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ascent = (signed short)GET_BE_WORD(hhea + 4); /* Ascender */
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descent = -(signed short)GET_BE_WORD(hhea + 6); /* Descender */
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}
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}
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if(ascent + descent == 0) return height;
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get_bbox(hdc, NULL, &emsize);
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return MulDiv(emsize, height, ascent + descent);
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}
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static inline float ps_round(float f)
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{
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return (f > 0) ? (f + 0.5) : (f - 0.5);
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}
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/****************************************************************************
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* PSDRV_WriteSetDownloadFont
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*
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* Write setfont for download font.
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*
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*/
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BOOL PSDRV_WriteSetDownloadFont(PHYSDEV dev)
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{
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PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
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char *ps_name;
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LPOUTLINETEXTMETRICA potm;
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DWORD len = GetOutlineTextMetricsA(dev->hdc, 0, NULL);
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DOWNLOAD *pdl;
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LOGFONTW lf;
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UINT ppem;
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XFORM xform;
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assert(physDev->font.fontloc == Download);
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if (!GetObjectW( GetCurrentObject(dev->hdc, OBJ_FONT), sizeof(lf), &lf ))
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return FALSE;
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potm = HeapAlloc(GetProcessHeap(), 0, len);
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if (!potm)
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return FALSE;
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GetOutlineTextMetricsA(dev->hdc, len, potm);
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get_download_name(dev, potm, &ps_name);
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physDev->font.fontinfo.Download = is_font_downloaded(physDev, ps_name);
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ppem = calc_ppem_for_height(dev->hdc, lf.lfHeight);
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/* Retrieve the world -> device transform */
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GetTransform(dev->hdc, 0x204, &xform);
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if(GetGraphicsMode(dev->hdc) == GM_COMPATIBLE)
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{
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if (xform.eM22 < 0) physDev->font.escapement = -physDev->font.escapement;
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xform.eM11 = xform.eM22 = fabs(xform.eM22);
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xform.eM21 = xform.eM12 = 0;
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}
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physDev->font.size.xx = ps_round(ppem * xform.eM11);
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physDev->font.size.xy = ps_round(ppem * xform.eM12);
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physDev->font.size.yx = -ps_round(ppem * xform.eM21);
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physDev->font.size.yy = -ps_round(ppem * xform.eM22);
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physDev->font.underlineThickness = potm->otmsUnderscoreSize;
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physDev->font.underlinePosition = potm->otmsUnderscorePosition;
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physDev->font.strikeoutThickness = potm->otmsStrikeoutSize;
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physDev->font.strikeoutPosition = potm->otmsStrikeoutPosition;
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if(physDev->font.fontinfo.Download == NULL) {
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RECT bbox;
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UINT emsize;
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if (!get_bbox(dev->hdc, &bbox, &emsize)) {
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HeapFree(GetProcessHeap(), 0, potm);
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return FALSE;
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}
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if(!is_room_for_font(physDev))
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PSDRV_EmptyDownloadList(dev, TRUE);
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pdl = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*pdl));
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pdl->ps_name = HeapAlloc(GetProcessHeap(), 0, strlen(ps_name)+1);
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strcpy(pdl->ps_name, ps_name);
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pdl->next = NULL;
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if(physDev->pi->ppd->TTRasterizer == RO_Type42) {
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pdl->typeinfo.Type42 = T42_download_header(dev, ps_name, &bbox, emsize);
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pdl->type = Type42;
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}
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if(pdl->typeinfo.Type42 == NULL) {
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pdl->typeinfo.Type1 = T1_download_header(dev, ps_name, &bbox, emsize);
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pdl->type = Type1;
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}
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pdl->next = physDev->downloaded_fonts;
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physDev->downloaded_fonts = pdl;
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physDev->font.fontinfo.Download = pdl;
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if(pdl->type == Type42) {
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char g_name[MAX_G_NAME + 1];
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get_glyph_name(dev->hdc, 0, g_name);
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T42_download_glyph(dev, pdl, 0, g_name);
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}
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}
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PSDRV_WriteSetFont(dev, ps_name, physDev->font.size, physDev->font.escapement);
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HeapFree(GetProcessHeap(), 0, ps_name);
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HeapFree(GetProcessHeap(), 0, potm);
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return TRUE;
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}
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void get_glyph_name(HDC hdc, WORD index, char *name)
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{
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/* FIXME */
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sprintf(name, "g%04x", index);
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return;
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}
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/****************************************************************************
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* PSDRV_WriteDownloadGlyphShow
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*
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* Download and write out a number of glyphs
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*
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*/
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BOOL PSDRV_WriteDownloadGlyphShow(PHYSDEV dev, WORD *glyphs,
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UINT count)
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{
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PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
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UINT i;
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char g_name[MAX_G_NAME + 1];
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assert(physDev->font.fontloc == Download);
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switch(physDev->font.fontinfo.Download->type) {
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case Type42:
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for(i = 0; i < count; i++) {
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get_glyph_name(dev->hdc, glyphs[i], g_name);
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T42_download_glyph(dev, physDev->font.fontinfo.Download, glyphs[i], g_name);
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PSDRV_WriteGlyphShow(dev, g_name);
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}
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break;
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case Type1:
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for(i = 0; i < count; i++) {
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get_glyph_name(dev->hdc, glyphs[i], g_name);
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T1_download_glyph(dev, physDev->font.fontinfo.Download, glyphs[i], g_name);
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PSDRV_WriteGlyphShow(dev, g_name);
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}
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break;
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default:
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ERR("Type = %d\n", physDev->font.fontinfo.Download->type);
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assert(0);
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}
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return TRUE;
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}
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/****************************************************************************
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* PSDRV_EmptyDownloadList
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*
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* Clear the list of downloaded fonts
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*
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*/
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BOOL PSDRV_EmptyDownloadList(PHYSDEV dev, BOOL write_undef)
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{
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PSDRV_PDEVICE *physDev = get_psdrv_dev( dev );
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DOWNLOAD *pdl, *old;
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static const char undef[] = "/%s findfont 40 scalefont setfont /%s undefinefont\n";
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char buf[sizeof(undef) + 200];
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const char *default_font = physDev->pi->ppd->DefaultFont ?
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physDev->pi->ppd->DefaultFont : "Courier";
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if(physDev->font.fontloc == Download) {
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physDev->font.set = FALSE;
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physDev->font.fontinfo.Download = NULL;
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}
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pdl = physDev->downloaded_fonts;
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physDev->downloaded_fonts = NULL;
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while(pdl) {
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if(write_undef) {
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sprintf(buf, undef, default_font, pdl->ps_name);
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PSDRV_WriteSpool(dev, buf, strlen(buf));
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}
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switch(pdl->type) {
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case Type42:
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T42_free(pdl->typeinfo.Type42);
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break;
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case Type1:
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T1_free(pdl->typeinfo.Type1);
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break;
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default:
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ERR("Type = %d\n", pdl->type);
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assert(0);
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}
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HeapFree(GetProcessHeap(), 0, pdl->ps_name);
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old = pdl;
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pdl = pdl->next;
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HeapFree(GetProcessHeap(), 0, old);
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}
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return TRUE;
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}
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