From 2dec20508d48540a1467e3416caadff37e244f8e Mon Sep 17 00:00:00 2001
From: Michael Pfeiffer <michael.w.pfeiffer@gmail.com>
Date: Wed, 19 Feb 2003 18:00:31 +0000
Subject: [PATCH] Implemented dumb PostScript printer driver (monochrome and
 color).

git-svn-id: file:///srv/svn/repos/haiku/trunk/current@2759 a95241bf-73f2-0310-859d-f6bbb57e9c96
---
 src/add-ons/print/drivers/postscript/Jamfile  |  15 +
 src/add-ons/print/drivers/postscript/PS.cpp   | 287 ++++++++++++++++++
 src/add-ons/print/drivers/postscript/PS.h     |  40 +++
 src/add-ons/print/drivers/postscript/PS.rsrc  | Bin 0 -> 4161 bytes
 .../print/drivers/postscript/PSCap.cpp        | 149 +++++++++
 src/add-ons/print/drivers/postscript/PSCap.h  |  19 ++
 .../print/drivers/postscript/PSEntry.cpp      |  83 +++++
 7 files changed, 593 insertions(+)
 create mode 100644 src/add-ons/print/drivers/postscript/Jamfile
 create mode 100644 src/add-ons/print/drivers/postscript/PS.cpp
 create mode 100644 src/add-ons/print/drivers/postscript/PS.h
 create mode 100644 src/add-ons/print/drivers/postscript/PS.rsrc
 create mode 100644 src/add-ons/print/drivers/postscript/PSCap.cpp
 create mode 100644 src/add-ons/print/drivers/postscript/PSCap.h
 create mode 100644 src/add-ons/print/drivers/postscript/PSEntry.cpp

diff --git a/src/add-ons/print/drivers/postscript/Jamfile b/src/add-ons/print/drivers/postscript/Jamfile
new file mode 100644
index 0000000000..3f52e8cf5e
--- /dev/null
+++ b/src/add-ons/print/drivers/postscript/Jamfile
@@ -0,0 +1,15 @@
+SubDir OBOS_TOP src add-ons print drivers postscript ;
+
+SubDirHdrs [ FDirName $(OBOS_TOP) src add-ons print drivers canon_lips
+					  libprint ] ;
+
+AddResources PS\ Compatible : PS.rsrc ;
+
+Addon PS\ Compatible : print :
+	PSEntry.cpp
+	PS.cpp
+	PSCap.cpp
+;
+
+LinkSharedOSLibs PS\ Compatible : be stdc++.r4 libprint.a ;
+
diff --git a/src/add-ons/print/drivers/postscript/PS.cpp b/src/add-ons/print/drivers/postscript/PS.cpp
new file mode 100644
index 0000000000..ef5567f79b
--- /dev/null
+++ b/src/add-ons/print/drivers/postscript/PS.cpp
@@ -0,0 +1,287 @@
+/*
+ * PS.cpp
+ * Copyright 1999-2000 Y.Takagi. All Rights Reserved.
+ * Copyright 2003 Michael Pfeiffer.
+ */
+
+#include <Alert.h>
+#include <Bitmap.h>
+#include <File.h>
+#include <memory>
+#include <stdio.h>
+#include "PS.h"
+#include "UIDriver.h"
+#include "JobData.h"
+#include "PrinterData.h"
+#include "PSCap.h"
+#include "PackBits.h"
+#include "Halftone.h"
+#include "ValidRect.h"
+#include "DbgMsg.h"
+
+#if (!__MWERKS__ || defined(MSIPL_USING_NAMESPACE))
+using namespace std;
+#else 
+#define std
+#endif
+
+PSDriver::PSDriver(BMessage *msg, PrinterData *printer_data, const PrinterCap *printer_cap)
+	: GraphicsDriver(msg, printer_data, printer_cap)
+{
+	__printed_pages = 0;
+	__halftone = NULL;
+}
+
+bool PSDriver::startDoc()
+{
+	try {
+		jobStart();
+		__halftone = new Halftone(getJobData()->getSurfaceType(), getJobData()->getGamma());
+		return true;
+	}
+	catch (TransportException &err) {
+		return false;
+	} 
+}
+
+bool PSDriver::startPage(int page)
+{
+	page ++;
+	writeSpoolString("%%%%Page: %d %d\n", page, page);
+	return true;
+}
+
+bool PSDriver::endPage(int)
+{
+	try {
+		__printed_pages ++;
+		writeSpoolString("showpage\n");
+		return true;
+	}
+	catch (TransportException &err) {
+		return false;
+	} 
+}
+
+bool PSDriver::endDoc(bool)
+{
+	try {
+		if (__halftone) {
+			delete __halftone;
+		}
+		jobEnd();
+		return true;
+	}
+	catch (TransportException &err) {
+		return false;
+	} 
+}
+
+inline uchar hex_digit(uchar value) 
+{
+	if (value <= 9) return '0'+value;
+	else return 'a'+(value-10);
+}
+
+bool PSDriver::nextBand(BBitmap *bitmap, BPoint *offset)
+{
+	DBGMSG(("> nextBand\n"));
+
+	try {
+		BRect bounds = bitmap->Bounds();
+
+		RECT rc;
+		rc.left   = (int)bounds.left;
+		rc.top    = (int)bounds.top;
+		rc.right  = (int)bounds.right;
+		rc.bottom = (int)bounds.bottom;
+
+		int height = rc.bottom - rc.top + 1;
+
+		int x = (int)offset->x;
+		int y = (int)offset->y;
+
+		int page_height = getPageHeight();
+
+		if (y + height > page_height) {
+			height = page_height - y;
+		}
+
+		rc.bottom = height - 1;
+
+		DBGMSG(("height = %d\n", height));
+		DBGMSG(("x = %d\n", x));
+		DBGMSG(("y = %d\n", y));
+
+		if (get_valid_rect(bitmap, __halftone->getPalette(), &rc)) {
+
+			DBGMSG(("validate rect = %d, %d, %d, %d\n",
+				rc.left, rc.top, rc.right, rc.bottom));
+
+			x = rc.left;
+			y += rc.top;
+
+			bool color = getJobData()->getColor() == JobData::kCOLOR;
+			int width = rc.right - rc.left + 1;
+			int widthByte = (width + 7) / 8;	/* byte boundary */
+			int height    = rc.bottom - rc.top + 1;
+			int in_size   = color ? width : widthByte;
+			int out_size  = color ? width * 6: widthByte * 2;
+			int delta     = bitmap->BytesPerRow();
+
+			DBGMSG(("width = %d\n", width));
+			DBGMSG(("widthByte = %d\n", widthByte));
+			DBGMSG(("height = %d\n", height));
+			DBGMSG(("out_size = %d\n", out_size));
+			DBGMSG(("delta = %d\n", delta));
+			DBGMSG(("renderobj->get_pixel_depth() = %d\n", __halftone->getPixelDepth()));
+
+			uchar *ptr = (uchar *)bitmap->Bits()
+						+ rc.top * delta
+						+ (rc.left * __halftone->getPixelDepth()) / 8;
+
+			int compression_method;
+			int compressed_size;
+			const uchar *buffer;
+
+			uchar *in_buffer = new uchar[in_size]; // gray values
+			uchar *out_buffer = new uchar[out_size]; // gray values in hexadecimal
+
+			auto_ptr<uchar> _in_buffer(in_buffer);
+			auto_ptr<uchar> _out_buffer(out_buffer);
+
+			DBGMSG(("move\n"));
+
+			int size = color ? width*3 : in_size;
+			startRasterGraphics(x, y, width, height, size);
+
+			for (int i = rc.top; i <= rc.bottom; i++) {
+				if (color) {
+					uchar* out = out_buffer;
+					uchar* in  = ptr;
+					for (int w = width; w > 0; w --) {
+						*out++ = hex_digit((in[2]) >> 4);
+						*out++ = hex_digit((in[2]) & 15);
+						*out++ = hex_digit((in[1]) >> 4);
+						*out++ = hex_digit((in[1]) & 15);
+						*out++ = hex_digit((in[0]) >> 4);
+						*out++ = hex_digit((in[0]) & 15);
+						in += 4;
+					}
+				} else {
+					__halftone->dither(in_buffer, ptr, x, y, width);
+
+					uchar* in = in_buffer;
+					uchar* out = out_buffer;
+				
+					for (int w = in_size; w > 0; w --, in ++) {
+						*in = ~*in; // invert pixels
+						*out++ = hex_digit((*in) >> 4);
+						*out++ = hex_digit((*in) & 15);
+					}
+				}
+				
+				{	
+					compression_method = 0; // uncompressed
+					buffer = out_buffer;
+					compressed_size = out_size;
+				}
+
+				rasterGraphics(
+					compression_method,
+					buffer,
+					compressed_size);
+
+				ptr  += delta;
+				y++;
+			}
+
+			endRasterGraphics();
+
+		} else {
+			DBGMSG(("band bitmap is clean.\n"));
+		}
+
+		if (y >= page_height) {
+			offset->x = -1.0;
+			offset->y = -1.0;
+		} else {
+			offset->y += height;
+		}
+
+
+		DBGMSG(("< nextBand\n"));
+		return true;
+	}
+	catch (TransportException &err) {
+		BAlert *alert = new BAlert("", err.what(), "OK");
+		alert->Go();
+		return false;
+	} 
+}
+
+void PSDriver::jobStart()
+{
+	// PostScript header
+	writeSpoolString("%%!PS-Adobe-3.0\n");
+	writeSpoolString("%%%%LanguageLevel: 1\n");
+	writeSpoolString("%%%%Title: %s\n", getSpoolMetaData()->getDescription().c_str());	
+	writeSpoolString("%%%%Creator: %s\n", getSpoolMetaData()->getMimeType().c_str());
+	writeSpoolString("%%%%CreationDate: %s", getSpoolMetaData()->getCreationTime().c_str());
+	writeSpoolString("%%%%Pages: (atend)\n");	
+	writeSpoolString("%%%%EndComments\n");
+	// setup CTM
+	writeSpoolString("%%%%BeginSetup\n");
+	// move origin from bottom left to top left
+	writeSpoolString("0 %f translate\n", getJobData()->getPaperRect().Height());
+	// y values increase from top to bottom
+	// units of measure is dpi
+	writeSpoolString("72 %d div 72 -%d div scale\n", getJobData()->getXres(), getJobData()->getYres());
+	writeSpoolString("%%%%EndSetup\n");
+}
+
+void PSDriver::startRasterGraphics(int x, int y, int width, int height, int widthByte)
+{
+	bool color = getJobData()->getColor() == JobData::kCOLOR;
+	__compression_method = -1;
+	writeSpoolString("gsave\n");
+	writeSpoolString("/s %d string def\n", widthByte);
+	writeSpoolString("%d %d translate\n", x, y);
+	writeSpoolString("%d %d scale\n", width, height);
+	if (color) {
+		writeSpoolString("%d %d 8\n", width, height); // 8 bpp
+	} else {
+		writeSpoolString("%d %d 1\n", width, height); // 1 bpp
+	}
+	writeSpoolString("[%d 0 0 %d 0 0]\n", width, height);
+	writeSpoolString("{ currentfile s readhexstring pop }\n");
+	if (color) {
+		writeSpoolString("false 3\n"); // single data source, 3 color components
+		writeSpoolString("colorimage\n");
+	} else {
+		writeSpoolString("image\n\n");
+	}
+}
+
+void PSDriver::endRasterGraphics()
+{
+	writeSpoolString("grestore\n");
+}
+
+void PSDriver::rasterGraphics(
+	int compression_method,
+	const uchar *buffer,
+	int size)
+{
+	if (__compression_method != compression_method) {
+		__compression_method = compression_method;
+	}
+	writeSpoolData(buffer, size);
+	writeSpoolString("\n");
+}
+
+void PSDriver::jobEnd()
+{
+	writeSpoolString("%%%%Pages: %d\n", __printed_pages);
+	writeSpoolString("%%%%EOF\n");
+}
diff --git a/src/add-ons/print/drivers/postscript/PS.h b/src/add-ons/print/drivers/postscript/PS.h
new file mode 100644
index 0000000000..ace8dd8e05
--- /dev/null
+++ b/src/add-ons/print/drivers/postscript/PS.h
@@ -0,0 +1,40 @@
+/*
+ * PS.h
+ * Copyright 1999-2000 Y.Takagi. All Rights Reserved.
+ */
+
+#ifndef __PS_H
+#define __PS_H
+
+#include "GraphicsDriver.h"
+
+class Halftone;
+
+class PSDriver : public GraphicsDriver {
+public:
+	PSDriver(BMessage *msg, PrinterData *printer_data, const PrinterCap *printer_cap);
+
+protected:
+	virtual bool startDoc();
+	virtual bool startPage(int page);
+	virtual bool nextBand(BBitmap *bitmap, BPoint *offset);
+	virtual bool endPage(int page);
+	virtual bool endDoc(bool success);
+
+private:
+	void jobStart();
+	float scale(int d);
+	void startRasterGraphics(int x, int y, int width, int height, int widthByte);
+	void endRasterGraphics();
+	void rasterGraphics(
+		int compression_method,
+		const uchar *buffer,
+		int size);
+	void jobEnd();
+
+	int __printed_pages;
+	int __compression_method;
+	Halftone *__halftone;
+};
+
+#endif	/* __PS_H */
diff --git a/src/add-ons/print/drivers/postscript/PS.rsrc b/src/add-ons/print/drivers/postscript/PS.rsrc
new file mode 100644
index 0000000000000000000000000000000000000000..6635cc515b30aad061240eb899e507b558ffcde1
GIT binary patch
literal 4161
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diff --git a/src/add-ons/print/drivers/postscript/PSCap.cpp b/src/add-ons/print/drivers/postscript/PSCap.cpp
new file mode 100644
index 0000000000..0904ab900c
--- /dev/null
+++ b/src/add-ons/print/drivers/postscript/PSCap.cpp
@@ -0,0 +1,149 @@
+/*
+ * PSCap.cpp
+ * Copyright 1999-2000 Y.Takagi. All Rights Reserved.
+ */
+
+#include "PrinterData.h"
+#include "PSCap.h"
+
+#define TO72DPI(a)	(a * 72.0f / 600.0f)
+
+const PaperCap a3(
+	"A3",
+	false,
+	JobData::A3,
+	BRect(0.0f,            0.0f,            TO72DPI(7014.0f), TO72DPI(9920.0f)),
+	BRect(TO72DPI(120.0f), TO72DPI(120.0f), TO72DPI(6894.0f), TO72DPI(9800.0f)));
+
+const PaperCap a4(
+	"A4",
+	true,
+	JobData::A4,
+	BRect(0.0f,            0.0f,            TO72DPI(4960.0f), TO72DPI(7014.0f)),
+	BRect(TO72DPI(120.0f), TO72DPI(120.0f), TO72DPI(4840.0f), TO72DPI(6894.0f)));
+
+const PaperCap a5(
+	"A5",
+	false,
+	JobData::A5,
+	BRect(0.0f,            0.0f,            TO72DPI(3506.0f), TO72DPI(4960.0f)),
+	BRect(TO72DPI(120.0f), TO72DPI(120.0f), TO72DPI(3386.0f), TO72DPI(4840.0f)));
+
+const PaperCap japanese_postcard(
+	"Japanese Postcard",
+	false,
+	JobData::JAPANESE_POSTCARD,
+	BRect(0.0f,           0.0f,             TO72DPI(2362.0f), TO72DPI(3506.0f)),
+	BRect(TO72DPI(120.0f), TO72DPI(120.0f), TO72DPI(2242.0f), TO72DPI(3386.0f)));
+
+const PaperCap b4(
+	"B4",
+	false,
+	JobData::B4,
+	BRect(0.0f,            0.0f,            TO72DPI(6070.0f), TO72DPI(8598.0f)),
+	BRect(TO72DPI(120.0f), TO72DPI(120.0f), TO72DPI(5950.0f), TO72DPI(8478.0f)));
+
+const PaperCap b5(
+	"B5",
+	false,
+	JobData::B5,
+	BRect(0.0f,            0.0f,            TO72DPI(4298.0f), TO72DPI(6070.0f)),
+	BRect(TO72DPI(120.0f), TO72DPI(120.0f), TO72DPI(4178.0f), TO72DPI(5950.0f)));
+
+const PaperCap letter(
+	"Letter",
+	false,
+	JobData::LETTER,
+	BRect(0.0f,            0.0f,            TO72DPI(5100.0f), TO72DPI(6600.0f)),
+	BRect(TO72DPI(120.0f), TO72DPI(120.0f), TO72DPI(4980.0f), TO72DPI(6480.0f)));
+
+const PaperCap legal(
+	"Legal",
+	false,
+	JobData::LEGAL,
+	BRect(0.0f,            0.0f,            TO72DPI(5100.0f), TO72DPI(8400.0f)),
+	BRect(TO72DPI(120.0f), TO72DPI(120.0f), TO72DPI(4980.0f), TO72DPI(8280.0f)));
+
+const PaperSourceCap autobin("Auto",  true,  JobData::AUTO);
+
+const ResolutionCap dpi300("300dpi",   true, 300,  300);
+const ResolutionCap dpi600("600dpi",  false, 600,  600);
+const ResolutionCap dpi1200("1200dpi", false, 1200, 1200);
+
+const PaperCap *papers[] = {
+	&a4,
+	&a3,
+	&a5,
+	&b4,
+	&b5,
+	&letter,
+	&legal
+};
+
+const PaperSourceCap *papersources[] = {
+	&autobin,
+};
+
+const ResolutionCap *resolutions[] = {
+	&dpi300,
+	&dpi600,
+	&dpi1200,
+};
+
+const ColorCap color("Color", false, JobData::kCOLOR);
+const ColorCap monochrome("Monochrome", true, JobData::kMONOCHROME);
+
+const ColorCap *colors[] = {
+	&color,
+	&monochrome
+};
+
+PSCap::PSCap(const PrinterData *printer_data)
+	: PrinterCap(printer_data)
+{
+}
+
+int PSCap::countCap(CAPID capid) const
+{
+	switch (capid) {
+	case PAPER:
+		return sizeof(papers) / sizeof(papers[0]);
+	case PAPERSOURCE:
+		return sizeof(papersources) / sizeof(papersources[0]);
+	case RESOLUTION:
+		return sizeof(resolutions) / sizeof(resolutions[0]);
+	case COLOR:
+		return sizeof(colors) / sizeof(colors[0]);
+	default:
+		return 0;
+	}
+}
+
+const BaseCap **PSCap::enumCap(CAPID capid) const
+{
+	switch (capid) {
+	case PAPER:
+		return (const BaseCap **)papers;
+	case PAPERSOURCE:
+		return (const BaseCap **)papersources;
+	case RESOLUTION:
+		return (const BaseCap **)resolutions;
+	case COLOR:
+		return (const BaseCap **)colors;
+	default:
+		return NULL;
+	}
+}
+
+bool PSCap::isSupport(CAPID capid) const
+{
+	switch (capid) {
+	case PAPER:
+	case PAPERSOURCE:
+	case RESOLUTION:
+	case COLOR:
+		return true;
+	default:
+		return false;
+	}
+}
diff --git a/src/add-ons/print/drivers/postscript/PSCap.h b/src/add-ons/print/drivers/postscript/PSCap.h
new file mode 100644
index 0000000000..d917f230e3
--- /dev/null
+++ b/src/add-ons/print/drivers/postscript/PSCap.h
@@ -0,0 +1,19 @@
+/*
+ * PSCap.h
+ * Copyright 1999-2000 Y.Takagi. All Rights Reserved.
+ */
+
+#ifndef __PSCAP_H
+#define __PSCAP_H
+
+#include "PrinterCap.h"
+
+class PSCap : public PrinterCap {
+public:
+	PSCap(const PrinterData *printer_data);
+	virtual int countCap(CAPID) const;
+	virtual bool isSupport(CAPID) const;
+	virtual const BaseCap **enumCap(CAPID) const;
+};
+
+#endif	/* __PSCAP_H */
diff --git a/src/add-ons/print/drivers/postscript/PSEntry.cpp b/src/add-ons/print/drivers/postscript/PSEntry.cpp
new file mode 100644
index 0000000000..af40d10567
--- /dev/null
+++ b/src/add-ons/print/drivers/postscript/PSEntry.cpp
@@ -0,0 +1,83 @@
+/*
+ * PSEntry.cpp
+ * Copyright 1999-2000 Y.Takagi. All Rights Reserved.
+ * Copyright 2003 Michael Pfeiffer.
+ */
+
+#include <File.h>
+#include <Message.h>
+#include <Node.h>
+
+#include "Exports.h"
+#include "PS.h"
+#include "PrinterData.h"
+#include "PSCap.h"
+#include "UIDriver.h"
+#include "AboutBox.h"
+#include "DbgMsg.h"
+
+char *add_printer(char *printer_name)
+{
+	DBGMSG((">PS: add_printer\n"));
+	DBGMSG(("\tprinter_name: %s\n", printer_name));
+	DBGMSG(("<PS: add_printer\n"));
+	return printer_name;
+}
+
+BMessage *config_page(BNode *node, BMessage *msg)
+{
+	DBGMSG((">PS: config_page\n"));
+	DUMP_BMESSAGE(msg);
+	DUMP_BNODE(node);
+
+	PrinterData printer_data(node);
+	PSCap printer_cap(&printer_data);
+	UIDriver drv(msg, &printer_data, &printer_cap);
+	BMessage *result = drv.configPage();
+
+	DUMP_BMESSAGE(result);
+	DBGMSG(("<PS: config_page\n"));
+	return result;
+}
+
+BMessage *config_job(BNode *node, BMessage *msg)
+{
+	DBGMSG((">PS: config_job\n"));
+	DUMP_BMESSAGE(msg);
+	DUMP_BNODE(node);
+
+	PrinterData printer_data(node);
+	PSCap printer_cap(&printer_data);
+	UIDriver drv(msg, &printer_data, &printer_cap);
+	BMessage *result = drv.configJob();
+
+	DUMP_BMESSAGE(result);
+	DBGMSG(("<PS: config_job\n"));
+	return result;
+}
+
+BMessage *take_job(BFile *spool, BNode *node, BMessage *msg)
+{
+	DBGMSG((">PS: take_job\n"));
+	DUMP_BMESSAGE(msg);
+	DUMP_BNODE(node);
+
+	PrinterData printer_data(node);
+	PSCap printer_cap(&printer_data);
+	PSDriver drv(msg, &printer_data, &printer_cap);
+	BMessage *result = drv.takeJob(spool);
+
+//	DUMP_BMESSAGE(result);
+	DBGMSG(("<PS: take_job\n"));
+	return result;
+}
+
+int main()
+{
+	AboutBox app("application/x-vnd.PS-compatible", "PS Compatible", "0.1", 
+	"libprint Copyright © 1999-2000 Y.Takagi\n"
+	"PostScript driver Copyright © 2003 Michael Pfeiffer.\n"
+	"All Rights Reserved.");
+	app.Run();
+	return 0;
+}