void pdf_startpage(gfxdevice_t*dev, int width, int height)
{
internal_t*i = (internal_t*)dev->internal;
if(!i->tempfile) {
i->tempfile = strdup(mktempname(0, "pdf"));
PDF_begin_document(i->p, i->tempfile, 0, "");
//PDF_set_value(i->p, "compress", 0);
PDF_set_parameter(i->p, "usercoordinates", "true");
PDF_set_parameter(i->p, "topdown", "true");
}
int width_plus_pad = width+floor(i->config_xpad*2);
int height_plus_pad = height+floor(i->config_ypad*2);
PDF_begin_page_ext(i->p, width_plus_pad, height_plus_pad, i->page_opts);
PDF_set_value(i->p, "CropBox/llx", 0);
PDF_set_value(i->p, "CropBox/lly", 0);
PDF_set_value(i->p, "CropBox/urx", width_plus_pad);
PDF_set_value(i->p, "CropBox/ury", height_plus_pad);
if(i->config_xpad || i->config_ypad) {
PDF_set_value(i->p, "TrimBox/llx", i->config_xpad);
PDF_set_value(i->p, "TrimBox/lly", i->config_ypad);
PDF_set_value(i->p, "TrimBox/urx", i->config_xpad+width);
PDF_set_value(i->p, "TrimBox/ury", i->config_ypad+height);
}
PDF_set_parameter(i->p, "fillrule", "evenodd");
i->width = width;
i->height = height;
i->num_pages++;
reset_matrix(i);
}
void
PDFWriter::DrawChar(uint16 unicode, const char* utf8, int16 size)
{
// try to convert from utf8 to MacRoman encoding schema...
int32 srcLen = size;
int32 destLen = 1;
char dest[3] = "\0\0";
int32 state = 0;
bool embed = true;
font_encoding encoding = macroman_encoding;
char fontName[B_FONT_FAMILY_LENGTH+B_FONT_STYLE_LENGTH+1];
if (convert_from_utf8(B_MAC_ROMAN_CONVERSION, utf8, &srcLen, dest, &destLen,
&state, 0) != B_OK || dest[0] == 0) {
// could not convert to MacRoman
font_encoding fenc;
uint16 index = 0;
uint8 enc;
GetFontName(&fState->beFont, fontName);
embed = EmbedFont(fontName);
REPORT(kDebug, -1, "find_encoding unicode %d\n", (int)unicode);
if (find_encoding(unicode, enc, index)) {
// is code point in the Adobe Glyph List?
// Note if rendering the glyphs only would be desired, we could
// always use the second method below (MakeUserDefinedEncoding),
// but extracting text from the generated PDF would be almost
// impossible (OCR!)
REPORT(kDebug, -1, "encoding for %x -> %d %d", unicode, (int)enc,
(int)index);
// use one of the user pre-defined encodings
if (fState->beFont.FileFormat() == B_TRUETYPE_WINDOWS) {
encoding = font_encoding(enc + tt_encoding0);
} else {
encoding = font_encoding(enc + t1_encoding0);
}
*dest = index;
} else if (embed) {
// if the font is embedded, create a user defined encoding at runtime
uint8 index;
MakeUserDefinedEncoding(unicode, enc, index);
*dest = index;
encoding = font_encoding(user_defined_encoding_start + enc);
} else if (find_in_cid_tables(unicode, fenc, index, fFontSearchOrder)) {
// font is not embedded use one of the CJK fonts for substitution
REPORT(kDebug, -1, "cid table %d index = %d", (int)fenc, (int)index);
dest[0] = unicode / 256;
dest[1] = unicode % 256;
destLen = 2;
encoding = fenc;
embed = false;
} else {
static bool found = false;
REPORT(kDebug, -1, "encoding for %x not found!", (int)unicode);
if (!found) {
found = true;
REPORT(kError, fPage, "Could not find an encoding for character "
"with unicode %d! Message is not repeated for other unicode "
"values.", (int)unicode);
}
*dest = 0; // paint a box (is 0 a box in MacRoman) or
return; // simply skip character
}
} else {
REPORT(kDebug, -1, "macroman srcLen=%d destLen=%d dest= %d %d!", srcLen,
destLen, (int)dest[0], (int)dest[1]);
}
// Note we have to build the user defined encoding before it is used in
// PDF_find_font!
if (!MakesPDF()) return;
int font;
GetFontName(&fState->beFont, fontName, embed, encoding);
font = FindFont(fontName, embed, encoding);
if (font < 0) {
REPORT(kWarning, fPage, "**** PDF_findfont(%s) failed, back to default "
"font", fontName);
font = PDF_findfont(fPdf, "Helvetica", "macroman", 0);
}
fState->font = font;
uint16 face = fState->beFont.Face();
PDF_set_parameter(fPdf, "underline", (face & B_UNDERSCORE_FACE) != 0
? "true" : "false");
PDF_set_parameter(fPdf, "strikeout", (face & B_STRIKEOUT_FACE) != 0
? "true" : "false");
PDF_set_value(fPdf, "textrendering", (face & B_OUTLINED_FACE) != 0 ? 1 : 0);
PDF_setfont(fPdf, fState->font, scale(fState->beFont.Size()));
const float x = tx(fState->penX);
const float y = ty(fState->penY);
const float rotation = fState->beFont.Rotation();
const bool rotate = rotation != 0.0;
if (rotate) {
PDF_save(fPdf);
PDF_translate(fPdf, x, y);
PDF_rotate(fPdf, rotation);
PDF_set_text_pos(fPdf, 0, 0);
} else
PDF_set_text_pos(fPdf, x, y);
PDF_show2(fPdf, dest, destLen);
if (rotate) {
PDF_restore(fPdf);
}
}
