- Added first version of PostScript prolog

 - Implemented page conversion (incomplete).

1 files changed, 539 insertions, 32 deletions

diff --git a/plpprint/plpprintd.cc b/plpprint/plpprintd.cc
index 7cf4006..9f32c22 100644
--- a/plpprint/plpprintd.cc
+++ b/plpprint/plpprintd.cc
@@ -36,6 +36,7 @@
 
 #include <ppsocket.h>
 #include <wprt.h>
+#include <psibitmap.h>
 
 #define _GNU_SOURCE
 #include <getopt.h>
@@ -113,58 +114,564 @@ infolog(char *fmt, ...)
     return 0;
 }
 
+static int minx, maxx, miny, maxy;
+string usedfonts;
+
+typedef struct {
+    char *psifont;
+    bool bold;
+    bool italic;
+    char *psfont;
+} fontmap_entry;
+
+#define FALLBACK_FONT "Courier"
+
+static fontmap_entry fontmap[] = {
+    { "Times New Roman", false, false, "Times-Roman"},
+    { "Times New Roman", true,  false, "Times-Bold"},
+    { "Times New Roman", false, true,  "Times-Italic"},
+    { "Times New Roman", true,  true,  "Times-BoldItalic"},
+    { "Arial",           false, false, "Helvetica"},
+    { "Arial",           true,  false, "Helvetica-Bold"},
+    { "Arial",           false, true,  "Helvetica-Oblique"},
+    { "Arial",           true,  true,  "Helvetica-BoldOblique"},
+    { "Courier New",     false, false, "Courier"},
+    { "Courier New",     true,  false, "Courier-Bold"},
+    { "Courier New",     false, true,  "Courier-Oblique"},
+    { "Courier New",     true,  true,  "Courier-BoldOblique"},
+    { "Swiss",           false, false, "Courier"},
+    { "Swiss",           true,  false, "Courier-Bold"},
+    { "Swiss",           false, true,  "Courier-Oblique"},
+    { "Swiss",           true,  true,  "Courier-BoldOblique"},
+    { NULL,              false, false, NULL}
+};
+
+static void
+ps_setfont(FILE *f, const char *fname, bool bold, bool italic,
+	   unsigned long fsize)
+{
+    fontmap_entry *fe = fontmap;
+    char *psf = NULL;
+    while (fe->psifont) {
+	if ((!strcmp(fe->psifont, fname)) &&
+	    (fe->bold == bold) &&
+	    (fe->italic == italic)) {
+	    psf = fe->psfont;
+	    break;
+	}
+	fe++;
+    }
+    if (!psf) {
+	psf = FALLBACK_FONT;
+	errorlog("No font mapping for '%s' (%s%s%s); fallback to %s\n",
+		 fname, (bold) ? "Bold" : "", (italic) ? "Italic" : "",
+		 (bold || italic) ? "" : "Regular", psf);
+    }
+    if (usedfonts.find(psf) == usedfonts.npos) {
+	usedfonts += "%%+ font ";
+	usedfonts += psf;
+	usedfonts += "\n";
+    }
+    fprintf(f, "%d /%s F\n", fsize, psf);
+}
+
 static void
-convert_job(const char *jobname)
+ps_escape(string &text)
 {
-    // ... To be done ...
-    unlink(jobname);
+    int pos = 0;
+    while ((pos = text.find_first_of("()", pos)) != text.npos) {
+	text.insert(pos, "\\");
+	pos += 2;
+    }
+}
+
+static void
+ps_bitmap(FILE *f, int llx, int lly, int urx, int ury, const char *buf)
+{
+    bufferStore out;
+    int width, height;
+    if (decodeBitmap((const unsigned char *)buf, width, height, out)) {
+	fprintf(f, "%d %d %d %d I\n");
+	const char *p = out.getString(0);
+	for (int y = 0; y < height; y++) {
+	    for (int x = 0; x < width; x++)
+		fprintf(f, "%02x", *p++);
+	    fprintf(f, "\n");
+	}
+    } else
+	errorlog("Corrupted bitmap data");
+}
+
+static void
+convertPage(FILE *f, int page, bool last, bufferStore buf)
+{
+    int len = buf.getLen();
+    int i = 0;
+    long boffset = 0;
+    unsigned long left   = 0;
+    unsigned long top    = 0;
+    unsigned long right  = 0;
+    unsigned long bottom = 0;
+    int lmargin = -1;
+
+#ifdef DEBUG
+    char dumpname[128];
+    sprintf(dumpname, "/tmp/pdump_%d", page);
+    FILE *df = fopen(dumpname, "w");
+    fwrite(buf.getString(0), 1, len, df);
+    fclose(df);
+    debuglog("Saved page input to %s\n", dumpname);
+#endif
+    if (page == 0) {
+	time_t now = time(NULL);
+	fputs(
+	    "%!PS-Adobe-3.0\n"
+	    "%%Creator: plpprintd " VERSION "\n"
+	    "%%CreationDate: ", f);
+	fputs(ctime(&now), f);
+	fputs(
+	    "%%Pages: (atend)\n"
+	    "%%BoundingBox: (atend)\n"
+	    "%%DocumentNeededResources: (atend)\n"
+	    "%%LanguageLvel: 2\n"
+	    "%%EndComments\n"
+	    "%%BeginProlog\n", f);
+	char pbuf[1024];
+	FILE *pf = fopen(PKGDATA "/prolog.ps", "r");
+	while (fgets(pbuf, sizeof(pbuf), pf))
+	    fputs(pbuf, f);
+	fclose(pf);
+	fputs(
+	    "%%EndProlog\n"
+	    "%%BeginSetup\n"
+	    "currentpagedevice /PageSize get 1 get /top exch def\n"
+	    "%%EndSetup\n", f);
+	minx = miny = 9999;
+	maxx = maxy = 0;
+	usedfonts = "";
+    }
+    fprintf(f, "%%%%Page: %d %d\n", page+1, page+1);
+    while (i < len) {
+	unsigned char opcode = buf.getByte(i);
+	switch (opcode) {
+	    case 0x00: {
+		// Start of section
+		unsigned long section = buf.getDWord(i+1);
+		fprintf(f, "%% @%d: Section %d\n", i, section);
+		// (section & 3) =
+		// 0 = Header, 1 = Body, 2 = Footer, 3 = Footer
+		i += 5;
+	    }
+		break;
+	    case 0x01: {
+		// End of page
+		i = len + 1;
+	    }
+		break;
+	    case 0x03: {
+		// ???
+		fprintf(f, "%% @%d: U03 %d\n", i, buf.getByte(i+1));
+		debuglog("@%d: U03 %d", i, buf.getByte(i+1));
+		i += 2;
+	    }
+		break;
+	    case 0x04: {
+		// Bounding box
+		left   = buf.getDWord(i+1);
+		top    = buf.getDWord(i+5);
+		right  = buf.getDWord(i+9);
+		bottom = buf.getDWord(i+13);
+		if (lmargin == -1)
+		    lmargin = left;
+		if (left < minx)
+		    minx = left;
+		if (right > maxx)
+		    maxx = right;
+		if (top < miny)
+		    miny = top;
+		if (bottom > maxy)
+		    maxy = bottom;
+		i += 17;
+		fprintf(f, "%% @%d: bbox %d %d %d %d\n", i, left, top, right,
+			bottom);
+	    }
+		break;
+	    case 0x05: {
+		// ???
+		fprintf(f, "%% @%d: U05\n", i);
+		debuglog("@%d: U05", i);
+		i++;
+	    }
+		break;
+	    case 0x06: {
+		// ???
+		fprintf(f, "%% @%d: U06 %d 0x%08x\n", i,
+			 buf.getByte(i+1), buf.getDWord(i+2));
+		debuglog("@%d: U06 %d 0x%08x", i,
+			 buf.getByte(i+1), buf.getDWord(i+2));
+		i += 6;
+	    }
+		break;
+	    case 0x07: {
+		// Font
+		int namelen;
+		int ofs;
+		if (buf.getByte(i+1) & 1) {
+		    namelen = buf.getWord(i+1) >> 3;
+		    ofs = i + 3;
+		} else {
+		    namelen = buf.getByte(i+1) >> 2;
+		    ofs = i + 2;
+		}
+		string fname(buf.getString(ofs), namelen);
+		ofs += namelen;
+		int screenfont = buf.getByte(ofs);
+		int basesize = buf.getWord(ofs+1);
+		unsigned long style = buf.getDWord(ofs+3);
+		bool italic = ((style & 1) != 0);
+		bool bold = ((style & 2) != 0);
+		unsigned long fontsize = buf.getDWord(ofs+7);
+		boffset = (long)buf.getDWord(ofs+11);
+		fprintf(f, "%% @%d: Font '%s' %d %s%s%s\n", i, fname.c_str(),
+			fontsize, bold ? "Bold" : "", italic ? "Italic" : "",
+			(bold || italic) ? "" : "Regular");
+		ps_setfont(f, fname.c_str(), bold, italic, fontsize);
+		i = ofs + 15;
+	    }
+		break;
+	    case 0x08: {
+		// ???
+		fprintf(f, "%% @%d: U08\n", i);
+		debuglog("@%d: U08", i);
+		i++;
+	    }
+		break;
+	    case 0x09: {
+		// underline
+		fprintf(f, "%% @%d: Underline %d\n", i, buf.getByte(i+1));
+		fprintf(f, "%d UL\n", buf.getByte(i+1));
+		i += 2;
+	    }
+		break;
+	    case 0x0a: {
+		// strikethru
+		fprintf(f, "%% @%d: Strikethru %d\n", i, buf.getByte(i+1));
+		fprintf(f, "%d ST\n", buf.getByte(i+1));
+		i += 2;
+	    }
+		break;
+	    case 0x0b: {
+		// newline
+		fprintf(f, "%% @%d: Newline %d %d\n", i, buf.getDWord(i+1),
+			buf.getDWord(i+5));
+		i += 9;
+	    }
+		break;
+	    case 0x0c: {
+		// cr
+		fprintf(f, "%% @%d: CR %d %d\n", i, buf.getDWord(i+1),
+			buf.getDWord(i+5));
+		i += 9;
+	    }
+		break;
+	    case 0x0d: {
+		// foreground color
+		fprintf(f, "%% @%d: Foreground %d %d %d\n", i, buf.getByte(i+1),
+			buf.getByte(i+2), buf.getByte(i+3));
+		fprintf(f, "%d %d %d FG\n", buf.getByte(i+1),
+			buf.getByte(i+2), buf.getByte(i+3));
+		i += 4;
+	    }
+		break;
+	    case 0x0e: {
+		// ???
+		fprintf(f, "%% @%d: U0e %d\n", i, buf.getByte(i+1));
+		debuglog("@%d: U0e %d", i, buf.getByte(i+1));
+		i += 2;
+	    }
+		break;
+	    case 0x0f: {
+		// ???
+		fprintf(f, "%% @%d: U0f %d %d\n", i, buf.getDWord(i+1),
+			 buf.getDWord(i+5));
+		debuglog("@%d: U0f %d %d", i, buf.getDWord(i+1),
+			 buf.getDWord(i+5));
+		i += 9;
+	    }
+		break;
+	    case 0x10: {
+		// background color
+		fprintf(f, "%% @%d: Background %d %d %d\n", i, buf.getByte(i+1),
+			buf.getByte(i+2), buf.getByte(i+3));
+		fprintf(f, "%d %d %d BG\n", buf.getByte(i+1),
+			buf.getByte(i+2), buf.getByte(i+3));
+		i += 4;
+	    }
+		break;
+	    case 0x11: {
+		// ???
+		fprintf(f, "%% @%d: U11 %d\n", i, buf.getByte(i+1));
+		debuglog("@%d: U11 %d", i, buf.getByte(i+1));
+		i += 2;
+	    }
+		break;
+	    case 0x17: {
+		// ???
+		fprintf(f, "%% @%d: U17 %d %d\n", i, buf.getDWord(i+1),
+			 buf.getDWord(i+5));
+		debuglog("@%d: U17 %d %d", i, buf.getDWord(i+1),
+			 buf.getDWord(i+5));
+		i += 9;
+	    }
+		break;
+	    case 0x19: {
+		// Draw line
+		fprintf(f, "%% @%d: Line %d %d %d %d\n", i,
+			buf.getDWord(i+1), buf.getDWord(i+5),
+			buf.getDWord(i+9), buf.getDWord(i+13));
+		fprintf(f, "%d %d %d %d L\n",
+			buf.getDWord(i+1), buf.getDWord(i+5),
+			buf.getDWord(i+9), buf.getDWord(i+13));
+		i += 17;
+	    }
+		break;
+	    case 0x1b: {
+		// ???
+		fprintf(f, "%% @%d: U1b %d %d\n", i, buf.getDWord(i+1),
+			 buf.getDWord(i+5));
+		debuglog("@%d: U1b %d %d", i, buf.getDWord(i+1),
+			 buf.getDWord(i+5));
+		i += 9;
+	    }
+		break;
+	    case 0x1f: {
+		// Draw ellipse
+		fprintf(f, "%% @%d: Ellipse %d %d %d %d\n", i,
+			buf.getDWord(i+1), buf.getDWord(i+5),
+			buf.getDWord(i+9), buf.getDWord(i+13));
+		fprintf(f, "%d %d %d %d E\n",
+			buf.getDWord(i+1), buf.getDWord(i+5),
+			buf.getDWord(i+9), buf.getDWord(i+13));
+		i += 17;
+	    }
+		break;
+	    case 0x20: {
+		// Draw rectangle
+		fprintf(f, "%% @%d: Rectangle %d %d %d %d\n", i,
+			buf.getDWord(i+1), buf.getDWord(i+5),
+			buf.getDWord(i+9), buf.getDWord(i+13));
+		fprintf(f, "%d %d %d %d R\n",
+			buf.getDWord(i+1), buf.getDWord(i+5),
+			buf.getDWord(i+9), buf.getDWord(i+13));
+		i += 17;
+	    }
+		break;
+
+	    case 0x23: {
+		// Draw polygon
+		unsigned long count = buf.getDWord(i+1);
+		int o = i + 5;
+		fprintf(f, "%% @%d: Polygon (%d segments)\n", i, count);
+		fprintf(f, "[\n");
+		for (int j = 0; j < count; j++) {
+		    fprintf(f, "%d %d\n", buf.getDWord(o),
+			    buf.getDWord(o+4));
+		    o += 8;
+		}
+		fprintf(f, "] P\n");
+		i = o + 1;
+	    }
+		break;
+	    case 0x25: {
+		// Draw bitmap
+		// skip for now
+		unsigned long blen = buf.getDWord(i+17);
+		fprintf(f, "%% @%d: U25\n", i);
+		debuglog("@%d: U25 len=%d ofs=%d", i, blen, buf.getDWord(i+21));
+		i += (17 + blen);
+	    }
+		break;
+	    case 0x26: {
+		// Draw bitmap
+		unsigned long llx  = buf.getDWord(i+1);
+		unsigned long lly  = buf.getDWord(i+13);
+		unsigned long urx  = buf.getDWord(i+9);
+		unsigned long ury  = buf.getDWord(i+5);
+		unsigned long bw   = buf.getDWord(i+25);
+		unsigned long bh   = buf.getDWord(i+29);
+		unsigned long blen = buf.getDWord(i+17);
+		unsigned long bofs = buf.getDWord(i+21);
+		unsigned long bits = buf.getDWord(i+41);
+		bool rle = (buf.getDWord(i+53) == 1);
+		fprintf(f, "%% @%d: Bitmap\n", i);
+		ps_bitmap(f, llx, lly, urx, ury, buf.getString(17));
+		debuglog("Bitmap len=%d ofs=%d", blen, bofs);
+		i += (17 + blen + 16);
+	    }
+		break;
+	    case 0x27: {
+		// Draw label
+		int tlen;
+		int ofs;
+		if (buf.getByte(i+1) & 1) {
+		    tlen = buf.getWord(i+1) >> 3;
+		    ofs = i + 3;
+		} else {
+		    tlen = buf.getByte(i+1) >> 2;
+		    ofs = i + 2;
+		}
+		string text(buf.getString(ofs), tlen);
+		ofs += tlen;
+		ps_escape(text);
+		fprintf(f, "(%s) %d %d 0 0 false T\n", text.c_str(),
+			buf.getDWord(ofs), buf.getDWord(ofs+4) + boffset);
+		i = ofs + 8;
+	    }
+		break;
+	    case 0x28: {
+		// Draw text
+		int tlen;
+		int ofs;
+		if (buf.getByte(i+1) & 1) {
+		    tlen = buf.getWord(i+1) >> 3;
+		    ofs = i + 3;
+		} else {
+		    tlen = buf.getByte(i+1) >> 2;
+		    ofs = i + 2;
+		}
+		string text(buf.getString(ofs), tlen);
+		ofs += tlen;
+		int x = buf.getDWord(ofs);
+		fprintf(f, "%% @%d: Text '%s' %d %d %d %d ?%d ?%d\n", i,
+			text.c_str(), x, buf.getDWord(ofs+12) + boffset,
+			buf.getDWord(ofs+4), buf.getDWord(ofs+8),
+			buf.getByte(ofs+16), buf.getDWord(ofs+17));
+		ps_escape(text);
+		if ((x == 0) && (lmargin != -1))
+		    x = lmargin;
+		fprintf(f, "(%s) %d %d %d %d true T\n", text.c_str(),
+			x, buf.getDWord(ofs+12) + boffset,
+			buf.getDWord(ofs+4), buf.getDWord(ofs+8));
+		i = ofs + 25;
+	    }
+		break;
+	    default:
+		debuglog("@%d: UNHANDLED OPCODE %02x", i, opcode);
+		i++;
+		break;
+	}
+    }
+    fprintf(f, "showpage\n");
+    if (last) {
+	fputs(
+	    "%%Trailer\n"
+	    "%%DocumentNeededResources: ", f);
+	if (usedfonts.empty())
+	    fputs("none\n", f);
+	else {
+	    usedfonts.erase(0, 4);
+	    fputs(usedfonts.c_str(), f);
+	}
+	fprintf(f, "%%%%Pages: %d\n", page + 1);
+	fprintf(f, "%%%%BoundingBox: %d %d %d %d\n",
+		minx / 20, miny / 20, maxx / 20, maxy / 20);
+	fputs("%%EOF\n", f);
+    }
 }
 
+static unsigned char fakePage[15] = {
+    0x2a, 0x2a, 0x09, 0x00, 0x00, 0x00, 0x82, 0x2e,
+    0x00, 0x00, 0xc6, 0x41, 0x00, 0x00, 0x00,
+};
+
+const
 static void
 service_loop()
 {
     serviceLoop = true;
     while (serviceLoop) {
 	bool spoolOpen = false;
-	bufferStore c;
+	bool pageStart = true;
+	bool cancelled = false;
+	unsigned long plen;
+	int pageCount;
+	bufferStore buf;
+	bufferStore pageBuf;
 	int fd;
+	FILE *f;
+	unsigned char b;
 	char *jname =
 	    (char *)malloc(strlen(spooldir) +
 			   strlen(TEMPLATE) + 2);
 
 	while (1) {
 	    /* Job loop */
-	    c.init();
-	    if (wPrt->getData(c) != rfsv::E_PSI_GEN_NONE) {
-		if (spoolOpen) {
-		    unlink(jname);
-		    close(fd);
-		    errorlog("Job aborted");
+	    buf.init();
+	    if (wPrt->getData(buf) == rfsv::E_PSI_GEN_NONE) {
+		if ((buf.getLen() == 15) &&
+		    (!memcmp(buf.getString(0), fakePage, 15))) {
+		    cancelled = false;
+		    if (spoolOpen) {
+			fclose(f);
+			infolog("Cancelled job %s", jname);
+			unlink(jname);
+			break;
+		    }
+		    continue;
+		}
+		if (!spoolOpen && !cancelled) {
+		    sprintf(jname, "%s/%s", spooldir, TEMPLATE);
+		    if ((fd = mkstemp(jname)) != -1) {
+			infolog("Receiving new job %s", jname);
+			spoolOpen = true;
+			pageStart = true;
+			pageCount = 0;
+		    } else {
+			errorlog("Could not create spool file.");
+			cancelled = true;
+			wPrt->cancelJob();
+		    }
+		    f = fdopen(fd, "w");
+		    plen = 0;
+		}
+		b = buf.getByte(0);
+		if ((b != 0x2a) && (b != 0xff)) {
+		    errorlog("Invalid packet type 0x%02x.", b);
+		    cancelled = true;
+		    wPrt->cancelJob();
+		}
+		bool jobEnd = (b == 0xff);
+		if (!cancelled) {
+		    buf.discardFirstBytes(1);
+		    if (pageStart) {
+			b = buf.getByte(0);
+			plen = buf.getDWord(1) - 8;
+			buf.discardFirstBytes(5+8);
+			pageStart = false;
+			pageBuf.init();
+		    }
+		    pageBuf.addBuff(buf);
+		    plen -= buf.getLen();
+		    if (plen <= 0) {
+			convertPage(f, pageCount++, jobEnd, pageBuf);
+			pageBuf.init();
+			pageStart = true;
+		    }
+		}
+		if (jobEnd) {
+		    if (spoolOpen)
+			fclose(f);
+		    if (!cancelled) {
+			if (pageCount > 0) {
+			    infolog("Spooling %d pages", pageCount);
+			    // TODO: print it...
+			}
+		    } else
+			unlink(jname);
+		    spoolOpen = false;
 		}
-		free(jname);
-		return;
-	    }
-	    if ((c.getLen() == 15) && (c.getWord(0) == 0x2a2a)) {
-		sprintf(jname, "%s/%s", spooldir, TEMPLATE);
-		if ((fd = mkstemp(jname)) != -1) {
-		    debuglog("Receiving new job %s", jname);
-		    write(fd, c.getString(0), c.getLen());
-		    spoolOpen = true;
-		} else
-		    errorlog("Could not create spool file.");
-	    } else {
-		if (spoolOpen)
-		    write(fd, c.getString(0), c.getLen());
-		if (c.getWord(0) == 0xffff)
-		    break;
 	    }
 	}
-	if (spoolOpen) {
-	    close(fd);
-	    spoolOpen = false;
-	    debuglog("Job received, start conversion ...");
-	    convert_job(jname);
-	}
 	free(jname);
     }
 }