Esempio n. 1
0
static void
pdf_parse_codespace_range(fz_context *ctx, pdf_cmap *cmap, fz_stream *file)
{
	pdf_lexbuf buf;
	int tok;
	int lo, hi;

	buf.size = PDF_LEXBUF_SMALL;
	while (1)
	{
		tok = pdf_lex_cmap(file, &buf);
		/* RJW: Lost debugging: "syntaxerror in cmap" */

		if (tok == TOK_END_CODESPACE_RANGE)
			return;

		else if (tok == PDF_TOK_STRING)
		{
			lo = pdf_code_from_string(buf.scratch, buf.len);
			tok = pdf_lex_cmap(file, &buf);
			/* RJW: Lost debugging: "syntaxerror in cmap" */
			if (tok == PDF_TOK_STRING)
			{
				hi = pdf_code_from_string(buf.scratch, buf.len);
				pdf_add_codespace(ctx, cmap, lo, hi, buf.len);
			}
			else break;
		}

		else break;
	}

	fz_throw(ctx, "expected string or endcodespacerange");
}
Esempio n. 2
0
static void
pdf_parse_codespace_range(pdf_cmap *cmap, fz_stream *file)
{
	char buf[256];
	int tok;
	int len;
	int lo, hi;

	while (1)
	{
		tok = pdf_lex_cmap(file, buf, sizeof buf, &len);
		/* RJW: Lost debugging: "syntaxerror in cmap" */

		if (tok == TOK_END_CODESPACE_RANGE)
			return;

		else if (tok == PDF_TOK_STRING)
		{
			lo = pdf_code_from_string(buf, len);
			tok = pdf_lex_cmap(file, buf, sizeof buf, &len);
			/* RJW: Lost debugging: "syntaxerror in cmap" */
			if (tok == PDF_TOK_STRING)
			{
				hi = pdf_code_from_string(buf, len);
				pdf_add_codespace(file->ctx, cmap, lo, hi, len);
			}
			else break;
		}

		else break;
	}

	fz_throw(file->ctx, "expected string or endcodespacerange");
}
/*
 * Create an Identity-* CMap (for both 1 and 2-byte encodings)
 */
pdf_cmap *
pdf_new_identity_cmap(int wmode, int bytes)
{
	pdf_cmap *cmap = pdf_new_cmap();
	sprintf(cmap->cmap_name, "Identity-%c", wmode ? 'V' : 'H');
	pdf_add_codespace(cmap, 0x0000, 0xffff, bytes);
	pdf_map_range_to_range(cmap, 0x0000, 0xffff, 0);
	pdf_sort_cmap(cmap);
	pdf_set_wmode(cmap, wmode);
	return cmap;
}
Esempio n. 4
0
/*
 * Create an Identity-* CMap (for both 1 and 2-byte encodings)
 */
pdf_cmap *
pdf_new_identity_cmap(fz_context *ctx, int wmode, int bytes)
{
	pdf_cmap *cmap = pdf_new_cmap(ctx);
	fz_try(ctx)
	{
		sprintf(cmap->cmap_name, "Identity-%c", wmode ? 'V' : 'H');
		pdf_add_codespace(ctx, cmap, 0x0000, 0xffff, bytes);
		pdf_map_range_to_range(ctx, cmap, 0x0000, 0xffff, 0);
		pdf_sort_cmap(ctx, cmap);
		pdf_set_cmap_wmode(ctx, cmap, wmode);
	}
	fz_catch(ctx)
	{
		pdf_drop_cmap(ctx, cmap);
		fz_rethrow(ctx);
	}
	return cmap;
}
Esempio n. 5
0
/*
 * Create an Identity-* CMap (for both 1 and 2-byte encodings)
 */
pdf_cmap *
pdf_new_identity_cmap(fz_context *ctx, int wmode, int bytes)
{
	pdf_cmap *cmap = pdf_new_cmap(ctx);
	fz_try(ctx)
	{
		unsigned int high = (1 << (bytes * 8)) - 1;
		sprintf(cmap->cmap_name, "Identity-%c", wmode ? 'V' : 'H');
		pdf_add_codespace(ctx, cmap, 0, high, bytes);
		pdf_map_range_to_range(ctx, cmap, 0, high, 0);
		pdf_sort_cmap(ctx, cmap);
		pdf_set_cmap_wmode(ctx, cmap, wmode);
	}
	fz_catch(ctx)
	{
		pdf_drop_cmap(ctx, cmap);
		fz_rethrow(ctx);
	}
	return cmap;
}