From: Ben Harris <bjh21@bjh21.me.uk>
Date: Sat, 2 Nov 2024 13:53:55 +0000 (+0000)
Subject: Generate 'OS/2' table for TTX
X-Git-Tag: bedstead-3.246~73
X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~bjharris/git?a=commitdiff_plain;h=d4d22234292277dcc44f4bb43f5d864e8bb75a54;p=bedstead.git

Generate 'OS/2' table for TTX
---

diff --git a/bedstead.c b/bedstead.c
index ba7c22a..74064df 100644
--- a/bedstead.c
+++ b/bedstead.c
@@ -2899,6 +2899,62 @@ main(int argc, char **argv)
 	printf("  <tableVersion value='0x5000'/>\n");
 	printf("  <numGlyphs value='%d'/>\n", (int)nglyphs);
 	printf(" </maxp>\n");
+
+	printf(" <OS_2>\n");
+	printf("  <version value='4'/>\n");
+	printf("  <xAvgCharWidth value='%d'/>\n", (int)(XSIZE * XPIX));
+	printf("  <usWeightClass value='%d'/>\n", weight->ttfweight);
+	printf("  <usWidthClass value='%d'/>\n", width->ttfwidth);
+	printf("  <fsType value='00000000 00000000'/>\n");
+	/* Sub/Superscript are three by five pixels */
+	printf("  <ySubscriptXSize value='%d'/>\n",
+	       (int)(YSIZE * YPIX * 3 / (XSIZE - 1)));
+	printf("  <ySubscriptYSize value='%d'/>\n",
+	       (int)(YSIZE * YPIX * 5 / (YSIZE - 3)));
+	printf("  <ySubscriptXOffset value='0'/>\n");
+	printf("  <ySubscriptYOffset value='%d'/>\n", (int)(2 * YPIX));
+	printf("  <ySuperscriptXSize value='%d'/>\n",
+	       (int)(YSIZE * YPIX * 3 / (XSIZE - 1)));
+	printf("  <ySuperscriptYSize value='%d'/>\n",
+	       (int)(YSIZE * YPIX * 5 / (YSIZE - 3)));
+	printf("  <ySuperscriptXOffset value='0'/>\n");
+	printf("  <ySuperscriptYOffset value='%d'/>\n", (int)(2 * YPIX));
+	printf("  <yStrikeoutSize value='%d'/>\n", (int)(YPIX));
+	printf("  <yStrikeoutPosition value='%d'/>\n", (int)(3 * YPIX));
+	printf("  <sFamilyClass value='%d'/>\n", 0x080a);
+	dopanose();
+	/* XXX These were generated by FontForge and should be checked. */
+	printf("  <ulUnicodeRange1 "
+	       "value='10100000 00000000 00001010 10111111'/>\n");
+	printf("  <ulUnicodeRange2 "
+	       "value='01010010 00000000 11111001 11111011'/>\n");
+	printf("  <ulUnicodeRange3 "
+	       "value='00000011 00000000 00000000 00110000'/>\n");
+	printf("  <ulUnicodeRange4 "
+	       "value='00000000 00000000 00000010 00000000'/>\n");
+	printf("  <achVendID value='PfEd'/>\n");
+	printf("  <fsSelection value='00000001 1%c%c00000'/>\n",
+	       /* Fixed: use typo metrics; WWS */
+	       weight->ttfweight == 500 && width->ttfwidth == 5 ? '1' : '0',
+	       weight->ttfweight > 500 ? '1' : '0'); /* Bold? */
+	printf("  <usFirstCharIndex value='32'/>\n");
+	printf("  <usLastCharIndex value='65535'/>\n");
+	printf("  <sTypoAscender value='%d'/>\n", (int)(ASCENT * YPIX));
+	printf("  <sTypoDescender value='%d'/>\n", (int)(-DESCENT * YPIX));
+	printf("  <sTypoLineGap value='0'/>\n");
+	printf("  <usWinAscent value='%d'/>\n", (int)(ASCENT * YPIX));
+	printf("  <usWinDescent value='%d'/>\n", (int)(DESCENT * YPIX));
+	/* XXX These were generated by FontForge and should be checked. */
+	printf("  <ulCodePageRange1 "
+	       "value='01100000 00000000 00000000 00111111'/>\n");
+	printf("  <ulCodePageRange2 "
+	       "value='11010111 11110111 00000000 00000000'/>\n");
+	printf("  <sxHeight value='%d'/>\n", (int)(XHEIGHT * YPIX));
+	printf("  <sCapHeight value='%d'/>\n", (int)(CAPHEIGHT * YPIX));
+	printf("  <usDefaultChar value='0'/>\n");
+	printf("  <usBreakChar value='32'/>\n");
+	printf("  <usMaxContext value='1'/>\n"); /* No pair subs. */
+	printf(" </OS_2>\n");
 	/* printf("FontName: %s\n", fullname_to_fontname(get_fullname())); */
 	/* printf("FullName: %s\n", get_fullname()); */
 	/* printf("FamilyName: Bedstead\n"); */
@@ -2922,31 +2978,13 @@ main(int argc, char **argv)
 	/* 	       weight->suffix[0] ? width->suffix : */
 	/* 	       width->suffix[0] ? width->suffix+1 : ""); */
 	/* printf("Weight:%s\n", weight->suffix[0] ? weight->suffix : " Medium"); */
-	/* printf("OS2_WeightWidthSlopeOnly: 1\n"); */
 	/* printf("Copyright: Dedicated to the public domain\n"); */
 	/* printf("Version: 002.009\n"); */
 	/* printf("ItalicAngle: 0\n"); */
 	/* printf("UnderlinePosition: %g\n", (double)(-3 * YPIX / 2)); */
 	/* printf("UnderlineWidth: %g\n", (double)(YPIX)); */
-	/* printf("OS2StrikeYPos: %d\n", (int)(3 * YPIX)); */
-	/* printf("OS2StrikeYSize: %d\n", (int)(YPIX)); */
 	/* printf("Ascent: %g\n", (double)(8 * YPIX)); */
 	/* printf("Descent: %g\n", (double)(2 * YPIX)); */
-	/* /\* Sub/Superscript are three by five pixels *\/ */
-	/* printf("OS2SubXSize: %d\n", (int)(YSIZE * YPIX * 3 / (XSIZE - 1))); */
-	/* printf("OS2SupXSize: %d\n", (int)(YSIZE * YPIX * 3 / (XSIZE - 1))); */
-	/* printf("OS2SubYSize: %d\n", (int)(YSIZE * YPIX * 5 / (YSIZE - 3))); */
-	/* printf("OS2SupYSize: %d\n", (int)(YSIZE * YPIX * 5 / (YSIZE - 3))); */
-	/* printf("OS2SubXOff: 0\n"); */
-	/* printf("OS2SupXOff: 0\n"); */
-	/* printf("OS2SubYOff: %d\n", (int)(2 * YPIX)); */
-	/* printf("OS2SupYOff: %d\n", (int)(2 * YPIX)); */
-	/* printf("FSType: 0\n"); */
-	/* printf("TTFWeight: %d\n", weight->ttfweight); */
-	/* printf("TTFWidth: %d\n", width->ttfwidth); */
-	/* dopanose(); */
-	/* printf("OS2Vendor: 'PfEd'\n"); */
-	/* printf("OS2FamilyClass: %d\n", 0x080a); */
 	/* printf("LayerCount: 2\n"); */
 	/* printf("Layer: 0 0 \"Back\" 1\n"); */
 	/* printf("Layer: 1 0 \"Fore\" 0\n"); */
@@ -3181,7 +3219,13 @@ dopanose(void)
 	 * DuckRat = XRat = 5/7
 	 */
 	panose[9] = 7; /* Ducking/Large */
-	printf("Panose: %d %d %d %d %d %d %d %d %d %d\n",
+	printf("  <panose>\n"
+	       "   <bFamilyType value='%d'/><bSerifStyle value='%d'/>\n"
+	       "   <bWeight value='%d'/><bProportion value='%d'/>\n"
+	       "   <bContrast value='%d'/><bStrokeVariation value='%d'/>\n"
+	       "   <bArmStyle value='%d'/><bLetterForm value='%d'/>\n"
+	       "   <bMidline value='%d'/><bXHeight value='%d'/>\n"
+	       "  </panose>\n",
 	       panose[0], panose[1], panose[2], panose[3], panose[4], 
 	       panose[5], panose[6], panose[7], panose[8], panose[9]);
 }