static void write_word_entry(FAPI_font* a_fapi_font,WRF_output* a_output,const char* a_name,int a_index,int a_divisor)
{
short x;
WRF_wbyte(a_output,'/');
WRF_wstring(a_output,a_name);
WRF_wbyte(a_output,' ');
/* Get the value and convert it from unsigned to signed by assigning it to a short. */
x = a_fapi_font->get_word(a_fapi_font,a_index,0);
/* Divide by the divisor to bring it back to font units. */
x = (short)(x / a_divisor);
WRF_wint(a_output,x);
WRF_wstring(a_output," def\n");
}
/**
Write a Type 1 font in textual format and return its length in bytes.
If a_buffer_size is less than the total length, only a_buffer_size bytes are written, but the total
length is returned correctly.
The PostScript is non-standard. The main dictionary contains no /Charstrings dictionary. This
is supplied to FreeType using the incremental interface, There is also no /PaintType entry. This is required
by PostScript but FreeType doesn't use it.
*/
long FF_serialize_type1_font(FAPI_font* a_fapi_font,unsigned char* a_buffer,long a_buffer_size)
{
WRF_output output;
WRF_init(&output,a_buffer,a_buffer_size);
/* Leading comment identifying a Type 1 font. */
WRF_wstring(&output,"%!PS-AdobeFont-1\n");
write_main_dictionary(a_fapi_font,&output);
return output.m_count;
}
static void write_array_entry_with_count(FAPI_font* a_fapi_font,WRF_output* a_output,const char* a_name,int a_index,int a_count,int a_divisor)
{
int i;
if (a_count <= 0)
return;
WRF_wbyte(a_output,'/');
WRF_wstring(a_output,a_name);
WRF_wstring(a_output," [");
for (i = 0; i < a_count; i++)
{
/* Get the value and convert it from unsigned to signed by assigning it to a short. */
short x = a_fapi_font->get_word(a_fapi_font,a_index,i);
/* Divide by the divisor to bring it back to font units. */
x = (short)(x / a_divisor);
WRF_wint(a_output,x);
WRF_wbyte(a_output,(byte)(i == a_count - 1 ? ']' : ' '));
}
WRF_wstring(a_output," def\n");
}
static void write_private_dictionary(FAPI_font* a_fapi_font,WRF_output* a_output, int Write_CharStrings)
{
a_output->m_encrypt = true;
/* Write 4 bytes that must encrypt to at least one character that cannot be a valid hexadecimal character. */
WRF_wstring(a_output,"XXXX");
/*+ to do: correct size of dictionary from 8. */
WRF_wstring(a_output,"dup /Private 8 dict dup begin\n");
WRF_wstring(a_output,"/MinFeature {16 16} def\n");
WRF_wstring(a_output,"/password 5839 def\n");
if (Write_CharStrings)
write_word_entry(a_fapi_font,a_output,"lenIV",FAPI_FONT_FEATURE_lenIV,1);
else
WRF_wstring(a_output,"/lenIV -1 def\n"); /* indicate that /subrs are not encoded. */
write_word_entry(a_fapi_font,a_output,"BlueFuzz",FAPI_FONT_FEATURE_BlueFuzz,16);
WRF_wstring(a_output,"/BlueScale ");
WRF_wfloat(a_output,a_fapi_font->get_long(a_fapi_font,FAPI_FONT_FEATURE_BlueScale,0) / 65536.0);
WRF_wstring(a_output," def\n");
write_word_entry(a_fapi_font,a_output,"BlueShift",FAPI_FONT_FEATURE_BlueShift,16);
write_array_entry(a_fapi_font,a_output,"BlueValues",FAPI_FONT_FEATURE_BlueValues,16);
write_array_entry(a_fapi_font,a_output,"OtherBlues",FAPI_FONT_FEATURE_OtherBlues,16);
write_array_entry(a_fapi_font,a_output,"FamilyBlues",FAPI_FONT_FEATURE_FamilyBlues,16);
write_array_entry(a_fapi_font,a_output,"FamilyOtherBlues",FAPI_FONT_FEATURE_FamilyOtherBlues,16);
write_word_entry(a_fapi_font,a_output,"ForceBold",FAPI_FONT_FEATURE_ForceBold,1);
write_array_entry_with_count(a_fapi_font,a_output,"StdHW",FAPI_FONT_FEATURE_StdHW,1,16);
write_array_entry_with_count(a_fapi_font,a_output,"StdVW",FAPI_FONT_FEATURE_StdVW,1,16);
write_array_entry(a_fapi_font,a_output,"StemSnapH",FAPI_FONT_FEATURE_StemSnapH,16);
write_array_entry(a_fapi_font,a_output,"StemSnapV",FAPI_FONT_FEATURE_StemSnapV,16);
if (is_MM_font(a_fapi_font)) {
WRF_wstring(a_output,"3 index /Blend get /Private get begin\n");
WRF_wstring(a_output,"|-\n");
}
if (Write_CharStrings)
write_subrs(a_fapi_font,a_output, 1);
else
write_subrs(a_fapi_font,a_output, 0);
if (Write_CharStrings)
write_charstrings(a_fapi_font,a_output);
}
static void
write_subrs(gs_fapi_font * a_fapi_font, WRF_output * a_output, int raw)
{
int i;
int count =
a_fapi_font->get_word(a_fapi_font, gs_fapi_font_feature_Subrs_count,
0);
if (count <= 0)
return;
WRF_wstring(a_fapi_font->memory, a_output, "/Subrs ");
WRF_wint(a_fapi_font->memory, a_output, count);
WRF_wstring(a_fapi_font->memory, a_output, " array\n");
for (i = 0; i < count; i++) {
long length;
long buffer_size;
if (raw)
length = a_fapi_font->get_raw_subr(a_fapi_font, i, 0, 0);
else
length = a_fapi_font->get_subr(a_fapi_font, i, 0, 0);
WRF_wstring(a_fapi_font->memory, a_output, "dup ");
WRF_wint(a_fapi_font->memory, a_output, i);
WRF_wbyte(a_fapi_font->memory, a_output, ' ');
WRF_wint(a_fapi_font->memory, a_output, length);
WRF_wstring(a_fapi_font->memory, a_output, " RD ");
/* Get the subroutine into the buffer and encrypt it in place. */
buffer_size = a_output->m_limit - a_output->m_count;
if (buffer_size >= length) {
if (raw)
a_fapi_font->get_raw_subr(a_fapi_font, i, a_output->m_pos,
(ushort) length);
else
a_fapi_font->get_subr(a_fapi_font, i, a_output->m_pos,
(ushort) length);
WRF_wtext(a_fapi_font->memory, a_output, a_output->m_pos, length);
} else
a_output->m_count += length;
WRF_wstring(a_fapi_font->memory, a_output, " NP\n");
}
WRF_wstring(a_fapi_font->memory, a_output, "ND\n");
}
static void
write_charstrings(gs_fapi_font * a_fapi_font, WRF_output * a_output)
{
long length;
long buffer_size;
int i, count = a_fapi_font->get_word(a_fapi_font,
gs_fapi_font_feature_CharStrings_count,
0);
char NameBuf[256];
if (count <= 0)
return;
WRF_wstring(a_fapi_font->memory, a_output, "2 index /CharStrings ");
WRF_wint(a_fapi_font->memory, a_output, count);
WRF_wstring(a_fapi_font->memory, a_output, " dict dup begin\n");
for (i = 0; i < count; i++) {
length =
a_fapi_font->get_charstring_name(a_fapi_font, i,
(byte *) & NameBuf, 256);
if (length > 0) {
length = a_fapi_font->get_charstring(a_fapi_font, i, 0, 0);
WRF_wbyte(a_fapi_font->memory, a_output, '/');
WRF_wstring(a_fapi_font->memory, a_output, (const char *)&NameBuf);
WRF_wbyte(a_fapi_font->memory, a_output, ' ');
WRF_wint(a_fapi_font->memory, a_output, length);
WRF_wstring(a_fapi_font->memory, a_output, " RD ");
/* Get the CharString into the buffer and encrypt it in place. */
buffer_size = a_output->m_limit - a_output->m_count;
if (buffer_size >= length) {
a_fapi_font->get_charstring(a_fapi_font, i, a_output->m_pos,
(ushort) length);
WRF_wtext(a_fapi_font->memory, a_output, a_output->m_pos, length);
} else
a_output->m_count += length;
WRF_wstring(a_fapi_font->memory, a_output, " ND\n");
}
}
WRF_wstring(a_fapi_font->memory, a_output, " end");
}
static void write_main_dictionary(FAPI_font* a_fapi_font,WRF_output* a_output)
{
int i;
WRF_wstring(a_output,"5 dict begin\n");
WRF_wstring(a_output,"/FontType 1 def\n");
WRF_wstring(a_output,"/FontMatrix [");
for (i = 0; i < 6; i++)
{
WRF_wfloat(a_output,a_fapi_font->get_float(a_fapi_font,FAPI_FONT_FEATURE_FontMatrix,i));
WRF_wbyte(a_output,(byte)(i == 5 ? ']' : ' '));
}
WRF_wbyte(a_output,'\n');
/* For now, specify standard encoding - I think GS will pass glyph indices so doesn't matter. */
WRF_wstring(a_output,"/Encoding StandardEncoding def\n");
WRF_wstring(a_output,"/FontBBox {");
for (i = 0; i < 4; i++)
{
short x = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_FontBBox,i);
WRF_wint(a_output,x);
WRF_wbyte(a_output,(byte)(i == 3 ? '}' : ' '));
}
WRF_wbyte(a_output,'\n');
if (is_MM_font(a_fapi_font)) {
short x,x2;
float x1;
uint i, j, entries;
char Buffer[255];
entries = 0;
x = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_BlendAxisTypes_count,0);
if (x)
entries++;
x = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_BlendDesignPositionsArrays_count,0);
if (x)
entries++;
x = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_BlendDesignMapArrays_count,0);
if (x)
entries++;
sprintf(Buffer, "/FontInfo %d dict dup begin\n", entries);
WRF_wstring(a_output, Buffer);
x = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_BlendAxisTypes_count,0);
if (x) {
WRF_wstring(a_output, "/BlendAxisTypes [");
for (i = 0;i < x;i++) {
WRF_wstring(a_output," /");
a_fapi_font->get_name(a_fapi_font,FAPI_FONT_FEATURE_BlendAxisTypes,i, (char *)&Buffer,255);
WRF_wstring(a_output,Buffer);
}
WRF_wstring(a_output,"] def\n");
}
x = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_BlendDesignPositionsArrays_count,0);
if (x) {
WRF_wstring(a_output, "/BlendDesignPositions [");
x2 = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_BlendAxisTypes_count,0);
for (i = 0;i < x; i++) {
WRF_wstring(a_output,"[");
for (j = 0; j < x2; j++) {
x1 = a_fapi_font->get_float(a_fapi_font,FAPI_FONT_FEATURE_BlendDesignPositionsArrayValue,i*8+j);
sprintf(Buffer, "%f ", x1);
WRF_wstring(a_output,Buffer);
}
WRF_wstring(a_output,"]");
}
WRF_wstring(a_output, "] def\n");
}
x = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_BlendDesignMapArrays_count,0);
if (x) {
WRF_wstring(a_output, "/BlendDesignMap [");
for (i = 0;i < x;i++) {
x2 = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_BlendDesignMapSubArrays_count,i);
WRF_wstring(a_output,"[");
for (j = 0; j < x2; j++) {
WRF_wstring(a_output,"[");
x1 = a_fapi_font->get_float(a_fapi_font,FAPI_FONT_FEATURE_BlendDesignPositionsArrayValue,i*64+j*64);
sprintf(Buffer, "%f ", x1);
WRF_wstring(a_output,Buffer);
x1 = a_fapi_font->get_float(a_fapi_font,FAPI_FONT_FEATURE_BlendDesignPositionsArrayValue,i*64+j*64 + 1);
sprintf(Buffer, "%f ", x1);
WRF_wstring(a_output,Buffer);
WRF_wstring(a_output,"]");
}
WRF_wstring(a_output,"]");
}
WRF_wstring(a_output, "] def\n");
}
WRF_wstring(a_output,"end readonly def\n");
WRF_wstring(a_output,"/$Blend {");
x = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_DollarBlend_length,0);
if(a_output->m_count)
a_output->m_count += x;
x = a_fapi_font->get_proc(a_fapi_font,FAPI_FONT_FEATURE_DollarBlend,0,(char *)a_output->m_pos);
if(a_output->m_pos)
a_output->m_pos += x;
WRF_wstring(a_output,"} def\n");
WRF_wstring(a_output,"/$Blend {0.1 mul exch 0.45 mul add exch 0.17 mul add add} def\n");
WRF_wstring(a_output,"/WeightVector [");
x = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_WeightVector_count,0);
for (i = 0;i < x;i++) {
x1 = a_fapi_font->get_float(a_fapi_font,FAPI_FONT_FEATURE_WeightVector,i);
sprintf(Buffer, "%f ", x1);
WRF_wstring(a_output,Buffer);
}
WRF_wstring(a_output,"] def\n");
}
WRF_wstring(a_output,"currentdict end\ncurrentfile eexec\n");
write_private_dictionary(a_fapi_font,a_output);
if (is_MM_font(a_fapi_font)) {
write_blend_dictionary(a_fapi_font, a_output);
}
}
static void write_main_dictionary(FAPI_font* a_fapi_font,WRF_output* a_output, int Write_CharStrings)
{
int i;
WRF_wstring(a_output,"5 dict begin\n");
WRF_wstring(a_output,"/FontType 1 def\n");
WRF_wstring(a_output,"/FontMatrix [");
for (i = 0; i < 6; i++)
{
WRF_wfloat(a_output,a_fapi_font->get_float(a_fapi_font,FAPI_FONT_FEATURE_FontMatrix,i));
WRF_wbyte(a_output,(byte)(i == 5 ? ']' : ' '));
}
WRF_wbyte(a_output,'\n');
/* For now, specify standard encoding - I think GS will pass glyph indices so doesn't matter. */
WRF_wstring(a_output,"/Encoding StandardEncoding def\n");
WRF_wstring(a_output,"/FontBBox {");
for (i = 0; i < 4; i++)
{
short x = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_FontBBox,i);
WRF_wint(a_output,x);
WRF_wbyte(a_output,(byte)(i == 3 ? '}' : ' '));
}
WRF_wbyte(a_output,'\n');
if (is_MM_font(a_fapi_font)) {
short x,x2;
float x1;
uint i, j, entries;
char Buffer[255];
entries = 0;
x = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_BlendAxisTypes_count,0);
if (x)
entries++;
x = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_BlendDesignPositionsArrays_count,0);
if (x)
entries++;
x = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_BlendDesignMapArrays_count,0);
if (x)
entries++;
sprintf(Buffer, "/FontInfo %d dict dup begin\n", entries);
WRF_wstring(a_output, Buffer);
x = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_BlendAxisTypes_count,0);
if (x) {
WRF_wstring(a_output, "/BlendAxisTypes [");
for (i = 0;i < x;i++) {
WRF_wstring(a_output," /");
a_fapi_font->get_name(a_fapi_font,FAPI_FONT_FEATURE_BlendAxisTypes,i, (char *)&Buffer,255);
WRF_wstring(a_output,Buffer);
}
WRF_wstring(a_output,"] def\n");
}
x = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_BlendDesignPositionsArrays_count,0);
if (x) {
WRF_wstring(a_output, "/BlendDesignPositions [");
x2 = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_BlendAxisTypes_count,0);
for (i = 0;i < x; i++) {
WRF_wstring(a_output,"[");
for (j = 0; j < x2; j++) {
x1 = a_fapi_font->get_float(a_fapi_font,FAPI_FONT_FEATURE_BlendDesignPositionsArrayValue,i*8+j);
sprintf(Buffer, "%f ", x1);
WRF_wstring(a_output,Buffer);
}
WRF_wstring(a_output,"]");
}
WRF_wstring(a_output, "] def\n");
}
x = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_BlendDesignMapArrays_count,0);
if (x) {
WRF_wstring(a_output, "/BlendDesignMap [");
for (i = 0;i < x;i++) {
x2 = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_BlendDesignMapSubArrays_count,i);
WRF_wstring(a_output,"[");
for (j = 0; j < x2; j++) {
WRF_wstring(a_output,"[");
x1 = a_fapi_font->get_float(a_fapi_font,FAPI_FONT_FEATURE_BlendDesignPositionsArrayValue,i*64+j*64);
sprintf(Buffer, "%f ", x1);
WRF_wstring(a_output,Buffer);
x1 = a_fapi_font->get_float(a_fapi_font,FAPI_FONT_FEATURE_BlendDesignPositionsArrayValue,i*64+j*64 + 1);
sprintf(Buffer, "%f ", x1);
WRF_wstring(a_output,Buffer);
WRF_wstring(a_output,"]");
}
WRF_wstring(a_output,"]");
}
WRF_wstring(a_output, "] def\n");
}
WRF_wstring(a_output,"end readonly def\n");
/* Previously we tried to write $Blend twice - the "real" one from the font,
* and the boiler plate one below.
* For now, I assume there was a good reason for including the second, but it may
* be because the "get_proc" method below was missing the code to handle PS name
* objects.
*/
if ((x = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_DollarBlend_length,0)) > 0) {
WRF_wstring(a_output,"/$Blend {");
if(a_output->m_count)
a_output->m_count += x;
x = a_fapi_font->get_proc(a_fapi_font,FAPI_FONT_FEATURE_DollarBlend,0,(char *)a_output->m_pos);
if(a_output->m_pos)
a_output->m_pos += x;
WRF_wstring(a_output,"} def\n");
}
else {
WRF_wstring(a_output,"/$Blend {0.1 mul exch 0.45 mul add exch 0.17 mul add add} def\n");
}
WRF_wstring(a_output,"/WeightVector [");
x = a_fapi_font->get_word(a_fapi_font,FAPI_FONT_FEATURE_WeightVector_count,0);
for (i = 0;i < x;i++) {
x1 = a_fapi_font->get_float(a_fapi_font,FAPI_FONT_FEATURE_WeightVector,i);
sprintf(Buffer, "%f ", x1);
WRF_wstring(a_output,Buffer);
}
WRF_wstring(a_output,"] def\n");
}
WRF_wstring(a_output,"currentdict end\ncurrentfile eexec\n");
write_private_dictionary(a_fapi_font,a_output, Write_CharStrings);
if (is_MM_font(a_fapi_font)) {
write_blend_dictionary(a_fapi_font, a_output);
}
}