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wine/dlls/wineps.drv/download.c

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/*
* PostScript driver downloadable 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 <string.h>
#include <stdlib.h>
#include <assert.h>
#include <math.h>
#include <stdarg.h>
#include <stdio.h>
#include "windef.h"
#include "winbase.h"
#include "wingdi.h"
#include "winnls.h"
#include "psdrv.h"
#include "data/agl.h"
#include "wine/debug.h"
WINE_DEFAULT_DEBUG_CHANNEL(psdrv);
#define MS_MAKE_TAG( _x1, _x2, _x3, _x4 ) \
( ( (DWORD)_x4 << 24 ) | \
( (DWORD)_x3 << 16 ) | \
( (DWORD)_x2 << 8 ) | \
(DWORD)_x1 )
#define GET_BE_WORD(ptr) MAKEWORD( ((BYTE *)(ptr))[1], ((BYTE *)(ptr))[0] )
#define GET_BE_DWORD(ptr) ((DWORD)MAKELONG( GET_BE_WORD(&((WORD *)(ptr))[1]), \
GET_BE_WORD(&((WORD *)(ptr))[0]) ))
/****************************************************************************
* get_download_name
*/
static void get_download_name(print_ctx *ctx, LPOUTLINETEXTMETRICA potm, char **str, BOOL vertical)
{
static const char reserved_chars[] = " %/(){}[]<>\n\r\t\b\f";
static const char vertical_suffix[] = "_vert";
int len;
char *p;
DWORD size;
size = GetFontData(ctx->hdc, MS_MAKE_TAG('n','a','m','e'), 0, NULL, 0);
if(size != 0 && size != GDI_ERROR)
{
BYTE *name = HeapAlloc(GetProcessHeap(), 0, size);
if(name)
{
USHORT count, i;
BYTE *strings;
struct name_record
{
USHORT platform_id;
USHORT encoding_id;
USHORT language_id;
USHORT name_id;
USHORT length;
USHORT offset;
} *name_record;
GetFontData(ctx->hdc, MS_MAKE_TAG('n','a','m','e'), 0, name, size);
count = GET_BE_WORD(name + 2);
strings = name + GET_BE_WORD(name + 4);
name_record = (struct name_record *)(name + 6);
for(i = 0; i < count; i++, name_record++)
{
name_record->platform_id = GET_BE_WORD(&name_record->platform_id);
name_record->encoding_id = GET_BE_WORD(&name_record->encoding_id);
name_record->language_id = GET_BE_WORD(&name_record->language_id);
name_record->name_id = GET_BE_WORD(&name_record->name_id);
name_record->length = GET_BE_WORD(&name_record->length);
name_record->offset = GET_BE_WORD(&name_record->offset);
if(name_record->platform_id == 1 && name_record->encoding_id == 0 &&
name_record->language_id == 0 && name_record->name_id == 6)
{
TRACE("Got Mac PS name %s\n", debugstr_an((char*)strings + name_record->offset, name_record->length));
*str = HeapAlloc(GetProcessHeap(), 0, name_record->length + sizeof(vertical_suffix));
memcpy(*str, strings + name_record->offset, name_record->length);
*(*str + name_record->length) = '\0';
HeapFree(GetProcessHeap(), 0, name);
goto done;
}
if(name_record->platform_id == 3 && name_record->encoding_id == 1 &&
name_record->language_id == 0x409 && name_record->name_id == 6)
{
WCHAR *unicode = HeapAlloc(GetProcessHeap(), 0, name_record->length + 2);
DWORD len;
int c;
for(c = 0; c < name_record->length / 2; c++)
unicode[c] = GET_BE_WORD(strings + name_record->offset + c * 2);
unicode[c] = 0;
TRACE("Got Windows PS name %s\n", debugstr_w(unicode));
len = WideCharToMultiByte(1252, 0, unicode, -1, NULL, 0, NULL, NULL);
*str = HeapAlloc(GetProcessHeap(), 0, len + sizeof(vertical_suffix) - 1);
WideCharToMultiByte(1252, 0, unicode, -1, *str, len, NULL, NULL);
HeapFree(GetProcessHeap(), 0, unicode);
HeapFree(GetProcessHeap(), 0, name);
goto done;
}
}
TRACE("Unable to find PostScript name\n");
HeapFree(GetProcessHeap(), 0, name);
}
}
len = strlen((char*)potm + (ptrdiff_t)potm->otmpFaceName) + 1;
*str = HeapAlloc(GetProcessHeap(),0,len + sizeof(vertical_suffix) - 1);
strcpy(*str, (char*)potm + (ptrdiff_t)potm->otmpFaceName);
done:
for (p = *str; *p; p++) if (strchr( reserved_chars, *p )) *p = '_';
if (vertical)
strcat(*str,vertical_suffix);
}
/****************************************************************************
* is_font_downloaded
*/
static DOWNLOAD *is_font_downloaded(print_ctx *ctx, char *ps_name)
{
DOWNLOAD *pdl;
for(pdl = ctx->downloaded_fonts; pdl; pdl = pdl->next)
if(!strcmp(pdl->ps_name, ps_name))
break;
return pdl;
}
/****************************************************************************
* is_room_for_font
*/
static BOOL is_room_for_font(print_ctx *ctx)
{
DOWNLOAD *pdl;
int count = 0;
/* FIXME: should consider vm usage of each font and available printer memory.
For now we allow up to two fonts to be downloaded at a time */
for(pdl = ctx->downloaded_fonts; pdl; pdl = pdl->next)
count++;
if(count > 1)
return FALSE;
return TRUE;
}
/****************************************************************************
* get_bbox
*
* This retrieves the bounding box of the font in font units as well as
* the size of the emsquare. To avoid having to worry about mapping mode and
* the font size we'll get the data directly from the TrueType HEAD table rather
* than using GetOutlineTextMetrics.
*/
static UINT get_bbox(HDC hdc, RECT *rc)
{
BYTE head[54]; /* the head table is 54 bytes long */
if(GetFontData(hdc, MS_MAKE_TAG('h','e','a','d'), 0, head, sizeof(head)) == GDI_ERROR)
{
ERR("Can't retrieve head table\n");
return 0;
}
if(rc)
{
rc->left = (signed short)GET_BE_WORD(head + 36); /* xMin */
rc->bottom = (signed short)GET_BE_WORD(head + 38); /* yMin */
rc->right = (signed short)GET_BE_WORD(head + 40); /* xMax */
rc->top = (signed short)GET_BE_WORD(head + 42); /* yMax */
}
return GET_BE_WORD(head + 18); /* unitsPerEm */
}
static UINT calc_ppem_for_height(HDC hdc, LONG height)
{
BYTE os2[78]; /* size of version 0 table */
BYTE hhea[8]; /* just enough to get the ascender and descender */
LONG ascent = 0, descent = 0;
UINT emsize;
if(height < 0) return -height;
if(GetFontData(hdc, MS_MAKE_TAG('O','S','/','2'), 0, os2, sizeof(os2)) == sizeof(os2))
{
ascent = GET_BE_WORD(os2 + 74); /* usWinAscent */
descent = GET_BE_WORD(os2 + 76); /* usWinDescent */
}
if(ascent + descent == 0)
{
if(GetFontData(hdc, MS_MAKE_TAG('h','h','e','a'), 0, hhea, sizeof(hhea)) == sizeof(hhea))
{
ascent = (signed short)GET_BE_WORD(hhea + 4); /* Ascender */
descent = -(signed short)GET_BE_WORD(hhea + 6); /* Descender */
}
}
if(ascent + descent == 0) return height;
emsize = get_bbox(hdc, NULL);
return MulDiv(emsize, height, ascent + descent);
}
static inline float ps_round(float f)
{
return (f > 0) ? (f + 0.5) : (f - 0.5);
}
static BOOL is_fake_italic( HDC hdc )
{
TEXTMETRICW tm;
BYTE head[54]; /* the head table is 54 bytes long */
WORD mac_style;
GetTextMetricsW( hdc, &tm );
if (!tm.tmItalic) return FALSE;
if (GetFontData( hdc, MS_MAKE_TAG('h','e','a','d'), 0, head, sizeof(head) ) == GDI_ERROR)
return FALSE;
mac_style = GET_BE_WORD( head + 44 );
TRACE( "mac style %04x\n", mac_style );
return !(mac_style & 2);
}
/****************************************************************************
* PSDRV_WriteSetDownloadFont
*
* Write setfont for download font.
*
*/
BOOL PSDRV_WriteSetDownloadFont(print_ctx *ctx, BOOL vertical)
{
char *ps_name;
LPOUTLINETEXTMETRICA potm;
DWORD len = GetOutlineTextMetricsA(ctx->hdc, 0, NULL);
DOWNLOAD *pdl;
LOGFONTW lf;
UINT ppem;
XFORM xform;
assert(ctx->font.fontloc == Download);
if (!GetObjectW( GetCurrentObject(ctx->hdc, OBJ_FONT), sizeof(lf), &lf ))
return FALSE;
potm = HeapAlloc(GetProcessHeap(), 0, len);
if (!potm)
return FALSE;
GetOutlineTextMetricsA(ctx->hdc, len, potm);
get_download_name(ctx, potm, &ps_name, vertical);
ctx->font.fontinfo.Download = is_font_downloaded(ctx, ps_name);
ppem = calc_ppem_for_height(ctx->hdc, lf.lfHeight);
/* Retrieve the world -> device transform */
GetTransform(ctx->hdc, 0x204, &xform);
if(GetGraphicsMode(ctx->hdc) == GM_COMPATIBLE)
{
if (xform.eM22 < 0) lf.lfEscapement = -lf.lfEscapement;
xform.eM11 = xform.eM22 = fabs(xform.eM22);
xform.eM21 = xform.eM12 = 0;
}
ctx->font.size.xx = ps_round(ppem * xform.eM11);
ctx->font.size.xy = ps_round(ppem * xform.eM12);
ctx->font.size.yx = -ps_round(ppem * xform.eM21);
ctx->font.size.yy = -ps_round(ppem * xform.eM22);
if(ctx->font.fontinfo.Download == NULL) {
RECT bbox;
UINT emsize = get_bbox(ctx->hdc, &bbox);
if (!emsize) {
HeapFree(GetProcessHeap(), 0, ps_name);
HeapFree(GetProcessHeap(), 0, potm);
return FALSE;
}
if(!is_room_for_font(ctx))
PSDRV_EmptyDownloadList(ctx, TRUE);
pdl = HeapAlloc(GetProcessHeap(), HEAP_ZERO_MEMORY, sizeof(*pdl));
pdl->ps_name = HeapAlloc(GetProcessHeap(), 0, strlen(ps_name)+1);
strcpy(pdl->ps_name, ps_name);
pdl->next = NULL;
if(ctx->pi->ppd->TTRasterizer == RO_Type42) {
pdl->typeinfo.Type42 = T42_download_header(ctx, ps_name, &bbox, emsize);
pdl->type = Type42;
}
if(pdl->typeinfo.Type42 == NULL) {
pdl->typeinfo.Type1 = T1_download_header(ctx, ps_name, &bbox, emsize);
pdl->type = Type1;
}
pdl->next = ctx->downloaded_fonts;
ctx->downloaded_fonts = pdl;
ctx->font.fontinfo.Download = pdl;
if(pdl->type == Type42) {
char g_name[MAX_G_NAME + 1];
get_glyph_name(ctx->hdc, 0, g_name);
T42_download_glyph(ctx, pdl, 0, g_name);
}
}
if (vertical)
lf.lfEscapement += 900;
PSDRV_WriteSetFont(ctx, ps_name, ctx->font.size, lf.lfEscapement,
is_fake_italic( ctx->hdc ));
HeapFree(GetProcessHeap(), 0, ps_name);
HeapFree(GetProcessHeap(), 0, potm);
return TRUE;
}
static void get_standard_glyph_name(WORD index, char *name)
{
static const GLYPHNAME nonbreakingspace = { -1, "nonbreakingspace" };
static const GLYPHNAME nonmarkingreturn = { -1, "nonmarkingreturn" };
static const GLYPHNAME notdef = { -1, ".notdef" };
static const GLYPHNAME null = { -1, ".null" };
/* These PostScript Format 1 glyph names are stored by glyph index, do not reorder them. */
static const GLYPHNAME *glyph_table[] = {
&notdef,
&null,
&nonmarkingreturn,
GN_space,
GN_exclam,
GN_quotedbl,
GN_numbersign,
GN_dollar,
GN_percent,
GN_ampersand,
GN_quotesingle,
GN_parenleft,
GN_parenright,
GN_asterisk,
GN_plus,
GN_comma,
GN_hyphen,
GN_period,
GN_slash,
GN_zero,
GN_one,
GN_two,
GN_three,
GN_four,
GN_five,
GN_six,
GN_seven,
GN_eight,
GN_nine,
GN_colon,
GN_semicolon,
GN_less,
GN_equal,
GN_greater,
GN_question,
GN_at,
GN_A,
GN_B,
GN_C,
GN_D,
GN_E,
GN_F,
GN_G,
GN_H,
GN_I,
GN_J,
GN_K,
GN_L,
GN_M,
GN_N,
GN_O,
GN_P,
GN_Q,
GN_R,
GN_S,
GN_T,
GN_U,
GN_V,
GN_W,
GN_X,
GN_Y,
GN_Z,
GN_bracketleft,
GN_backslash,
GN_bracketright,
GN_asciicircum,
GN_underscore,
GN_grave,
GN_a,
GN_b,
GN_c,
GN_d,
GN_e,
GN_f,
GN_g,
GN_h,
GN_i,
GN_j,
GN_k,
GN_l,
GN_m,
GN_n,
GN_o,
GN_p,
GN_q,
GN_r,
GN_s,
GN_t,
GN_u,
GN_v,
GN_w,
GN_x,
GN_y,
GN_z,
GN_braceleft,
GN_bar,
GN_braceright,
GN_asciitilde,
GN_Adieresis,
GN_Aring,
GN_Ccedilla,
GN_Eacute,
GN_Ntilde,
GN_Odieresis,
GN_Udieresis,
GN_aacute,
GN_agrave,
GN_acircumflex,
GN_adieresis,
GN_atilde,
GN_aring,
GN_ccedilla,
GN_eacute,
GN_egrave,
GN_ecircumflex,
GN_edieresis,
GN_iacute,
GN_igrave,
GN_icircumflex,
GN_idieresis,
GN_ntilde,
GN_oacute,
GN_ograve,
GN_ocircumflex,
GN_odieresis,
GN_otilde,
GN_uacute,
GN_ugrave,
GN_ucircumflex,
GN_udieresis,
GN_dagger,
GN_degree,
GN_cent,
GN_sterling,
GN_section,
GN_bullet,
GN_paragraph,
GN_germandbls,
GN_registered,
GN_copyright,
GN_trademark,
GN_acute,
GN_dieresis,
GN_notequal,
GN_AE,
GN_Oslash,
GN_infinity,
GN_plusminus,
GN_lessequal,
GN_greaterequal,
GN_yen,
GN_mu,
GN_partialdiff,
GN_summation,
GN_product,
GN_pi,
GN_integral,
GN_ordfeminine,
GN_ordmasculine,
GN_Omega,
GN_ae,
GN_oslash,
GN_questiondown,
GN_exclamdown,
GN_logicalnot,
GN_radical,
GN_florin,
GN_approxequal,
GN_Delta,
GN_guillemotleft,
GN_guillemotright,
GN_ellipsis,
&nonbreakingspace,
GN_Agrave,
GN_Atilde,
GN_Otilde,
GN_OE,
GN_oe,
GN_endash,
GN_emdash,
GN_quotedblleft,
GN_quotedblright,
GN_quoteleft,
GN_quoteright,
GN_divide,
GN_lozenge,
GN_ydieresis,
GN_Ydieresis,
GN_fraction,
GN_currency,
GN_guilsinglleft,
GN_guilsinglright,
GN_fi,
GN_fl,
GN_daggerdbl,
GN_periodcentered,
GN_quotesinglbase,
GN_quotedblbase,
GN_perthousand,
GN_Acircumflex,
GN_Ecircumflex,
GN_Aacute,
GN_Edieresis,
GN_Egrave,
GN_Iacute,
GN_Icircumflex,
GN_Idieresis,
GN_Igrave,
GN_Oacute,
GN_Ocircumflex,
GN_apple,
GN_Ograve,
GN_Uacute,
GN_Ucircumflex,
GN_Ugrave,
GN_dotlessi,
GN_circumflex,
GN_tilde,
GN_macron,
GN_breve,
GN_dotaccent,
GN_ring,
GN_cedilla,
GN_hungarumlaut,
GN_ogonek,
GN_caron,
GN_Lslash,
GN_lslash,
GN_Scaron,
GN_scaron,
GN_Zcaron,
GN_zcaron,
GN_brokenbar,
GN_Eth,
GN_eth,
GN_Yacute,
GN_yacute,
GN_Thorn,
GN_thorn,
GN_minus,
GN_multiply,
GN_onesuperior,
GN_twosuperior,
GN_threesuperior,
GN_onehalf,
GN_onequarter,
GN_threequarters,
GN_franc,
GN_Gbreve,
GN_gbreve,
GN_Idotaccent,
GN_Scedilla,
GN_scedilla,
GN_Cacute,
GN_cacute,
GN_Ccaron,
GN_ccaron,
GN_dcroat
};
snprintf(name, MAX_G_NAME + 1, "%s", glyph_table[index]->sz);
}
static int get_post2_name_index(BYTE *post2header, DWORD size, WORD index)
{
USHORT numberOfGlyphs = GET_BE_WORD(post2header);
DWORD offset = (1 + index) * sizeof(USHORT);
if(offset + sizeof(USHORT) > size || index >= numberOfGlyphs)
{
FIXME("Index '%d' exceeds PostScript Format 2 table size (%d)\n", index, numberOfGlyphs);
return -1;
}
return GET_BE_WORD(post2header + offset);
}
static void get_post2_custom_glyph_name(BYTE *post2header, DWORD size, WORD index, char *name)
{
USHORT numberOfGlyphs = GET_BE_WORD(post2header);
int i, name_offset = (1 + numberOfGlyphs) * sizeof(USHORT);
BYTE name_length = 0;
for(i = 0; i <= index; i++)
{
name_offset += name_length;
if(name_offset + sizeof(BYTE) > size)
{
FIXME("Pascal name offset '%d' exceeds PostScript Format 2 table size (%ld)\n",
name_offset + 1, size);
return;
}
name_length = (post2header + name_offset)[0];
if(name_offset + name_length > size)
{
FIXME("Pascal name offset '%d' exceeds PostScript Format 2 table size (%ld)\n",
name_offset + name_length, size);
return;
}
name_offset += sizeof(BYTE);
}
name_length = min(name_length, MAX_G_NAME);
memcpy(name, post2header + name_offset, name_length);
name[name_length] = 0;
}
void get_glyph_name(HDC hdc, WORD index, char *name)
{
struct
{
DWORD format;
DWORD italicAngle;
SHORT underlinePosition;
SHORT underlineThickness;
DWORD isFixedPitch;
DWORD minMemType42;
DWORD maxMemType42;
DWORD minMemType1;
DWORD maxMemType1;
} *post_header;
DWORD size;
/* set a fallback name that is just 'g<index>' */
snprintf(name, MAX_G_NAME + 1, "g%04x", index);
/* attempt to obtain the glyph name from the 'post' table */
size = GetFontData(hdc, MS_MAKE_TAG('p','o','s','t'), 0, NULL, 0);
if(size < sizeof(*post_header) || size == GDI_ERROR)
return;
post_header = HeapAlloc(GetProcessHeap(), 0, size);
if(!post_header) return;
size = GetFontData(hdc, MS_MAKE_TAG('p','o','s','t'), 0, post_header, size);
if(size < sizeof(*post_header) || size == GDI_ERROR)
goto cleanup;
/* note: only interested in the format for obtaining glyph names */
post_header->format = GET_BE_DWORD(&post_header->format);
/* now that we know the format of the 'post' table we can get the glyph name */
if(post_header->format == MAKELONG(0, 1))
{
if(index < 258)
get_standard_glyph_name(index, name);
else
WARN("Font uses PostScript Format 1, but non-standard glyph (%d) requested.\n", index);
}
else if(post_header->format == MAKELONG(0, 2))
{
void *post2header = post_header + 1;
int glyphNameIndex;
size -= sizeof(*post_header);
if(size < sizeof(USHORT))
{
FIXME("PostScript Format 2 table is invalid (cannot fit header)\n");
goto cleanup;
}
glyphNameIndex = get_post2_name_index(post2header, size, index);
if(glyphNameIndex == -1)
goto cleanup; /* invalid index, use fallback name */
else if(glyphNameIndex < 258)
get_standard_glyph_name(glyphNameIndex, name);
else
get_post2_custom_glyph_name(post2header, size, glyphNameIndex - 258, name);
}
else
FIXME("PostScript Format %d.%d glyph names are currently unsupported.\n",
HIWORD(post_header->format), LOWORD(post_header->format));
cleanup:
HeapFree(GetProcessHeap(), 0, post_header);
}
/****************************************************************************
* PSDRV_WriteDownloadGlyphShow
*
* Download and write out a number of glyphs
*
*/
BOOL PSDRV_WriteDownloadGlyphShow(print_ctx *ctx, const WORD *glyphs,
UINT count)
{
UINT i;
char g_name[MAX_G_NAME + 1];
assert(ctx->font.fontloc == Download);
switch(ctx->font.fontinfo.Download->type) {
case Type42:
for(i = 0; i < count; i++) {
get_glyph_name(ctx->hdc, glyphs[i], g_name);
T42_download_glyph(ctx, ctx->font.fontinfo.Download, glyphs[i], g_name);
PSDRV_WriteGlyphShow(ctx, g_name);
}
break;
case Type1:
for(i = 0; i < count; i++) {
get_glyph_name(ctx->hdc, glyphs[i], g_name);
T1_download_glyph(ctx, ctx->font.fontinfo.Download, glyphs[i], g_name);
PSDRV_WriteGlyphShow(ctx, g_name);
}
break;
default:
ERR("Type = %d\n", ctx->font.fontinfo.Download->type);
assert(0);
}
return TRUE;
}
/****************************************************************************
* PSDRV_EmptyDownloadList
*
* Clear the list of downloaded fonts
*
*/
BOOL PSDRV_EmptyDownloadList(print_ctx *ctx, BOOL write_undef)
{
DOWNLOAD *pdl, *old;
static const char undef[] = "/%s findfont 40 scalefont setfont /%s undefinefont\n";
char buf[sizeof(undef) + 200];
const char *default_font = ctx->pi->ppd->DefaultFont ?
ctx->pi->ppd->DefaultFont : "Courier";
if(ctx->font.fontloc == Download) {
ctx->font.set = FALSE;
ctx->font.fontinfo.Download = NULL;
}
pdl = ctx->downloaded_fonts;
ctx->downloaded_fonts = NULL;
while(pdl) {
if(write_undef) {
sprintf(buf, undef, default_font, pdl->ps_name);
PSDRV_WriteSpool(ctx, buf, strlen(buf));
}
switch(pdl->type) {
case Type42:
T42_free(pdl->typeinfo.Type42);
break;
case Type1:
T1_free(pdl->typeinfo.Type1);
break;
default:
ERR("Type = %d\n", pdl->type);
assert(0);
}
HeapFree(GetProcessHeap(), 0, pdl->ps_name);
old = pdl;
pdl = pdl->next;
HeapFree(GetProcessHeap(), 0, old);
}
return TRUE;
}
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