311 lines
9.0 KiB
C
311 lines
9.0 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., 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 <assert.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 "winerror.h"
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#include "wingdi.h"
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#include "winspool.h"
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#include "gdi.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(PSDRV_PDEVICE *physDev, LPOUTLINETEXTMETRICA
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potm, char **str)
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{
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int len;
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char *p;
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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 upto 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(PSDRV_PDEVICE *physDev, 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(physDev->hdc, MS_MAKE_TAG('h','e','a','d'), 0, head,
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sizeof(head)) == GDI_ERROR) {
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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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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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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(PSDRV_PDEVICE *physDev)
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{
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char *ps_name;
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LPOUTLINETEXTMETRICA potm;
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DWORD len = GetOutlineTextMetricsA(physDev->hdc, 0, NULL);
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potm = HeapAlloc(GetProcessHeap(), 0, len);
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GetOutlineTextMetricsA(physDev->hdc, len, potm);
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get_download_name(physDev, potm, &ps_name);
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physDev->font.fontloc = Download;
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physDev->font.fontinfo.Download = is_font_downloaded(physDev, ps_name);
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physDev->font.size = INTERNAL_YWSTODS(physDev->dc, /* ppem */
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potm->otmTextMetrics.tmAscent +
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potm->otmTextMetrics.tmDescent -
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potm->otmTextMetrics.tmInternalLeading);
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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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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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/****************************************************************************
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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(PSDRV_PDEVICE *physDev)
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{
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char *ps_name;
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LPOUTLINETEXTMETRICA potm;
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DWORD len = GetOutlineTextMetricsA(physDev->hdc, 0, NULL);
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DOWNLOAD *pdl;
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assert(physDev->font.fontloc == Download);
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potm = HeapAlloc(GetProcessHeap(), 0, len);
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GetOutlineTextMetricsA(physDev->hdc, len, potm);
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get_download_name(physDev, potm, &ps_name);
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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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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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get_bbox(physDev, &bbox, &emsize);
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if(!is_room_for_font(physDev))
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PSDRV_EmptyDownloadList(physDev, TRUE);
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if(physDev->pi->ppd->TTRasterizer == RO_Type42) {
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pdl->typeinfo.Type42 = T42_download_header(physDev, 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(physDev, 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(physDev->hdc, 0, g_name);
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T42_download_glyph(physDev, pdl, 0, g_name);
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}
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}
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PSDRV_WriteSetFont(physDev, ps_name, physDev->font.size,
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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(PSDRV_PDEVICE *physDev, WORD *glyphs,
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UINT count)
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{
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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(physDev->hdc, glyphs[i], g_name);
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T42_download_glyph(physDev, physDev->font.fontinfo.Download,
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glyphs[i], g_name);
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PSDRV_WriteGlyphShow(physDev, 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(physDev->hdc, glyphs[i], g_name);
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T1_download_glyph(physDev, physDev->font.fontinfo.Download,
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glyphs[i], g_name);
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PSDRV_WriteGlyphShow(physDev, 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(PSDRV_PDEVICE *physDev, BOOL write_undef)
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{
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DOWNLOAD *pdl, *old;
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char undef[] = "/%s findfont 40 scalefont setfont /%s undefinefont\n";
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char buf[sizeof(undef) + 200];
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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(physDev, 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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