added a PCX translator with some supported formats

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@23963 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/add-ons/translators/Jamfile

@@ -8,6 +8,7 @@ SubInclude HAIKU_TOP src add-ons translators ico ;
 SubInclude HAIKU_TOP src add-ons translators jpeg ;
 SubInclude HAIKU_TOP src add-ons translators jpeg2000 ;
 SubInclude HAIKU_TOP src add-ons translators libtiff ;
+SubInclude HAIKU_TOP src add-ons translators pcx ;
 SubInclude HAIKU_TOP src add-ons translators png ;
 SubInclude HAIKU_TOP src add-ons translators ppm ;
 SubInclude HAIKU_TOP src add-ons translators raw ;

src/add-ons/translators/pcx/ConfigView.cpp

@@ -0,0 +1,57 @@
+/*
+ * Copyright 2008, Jérôme Duval, [email protected]. All rights reserved.
+ * Copyright 2005, Axel Dörfler, [email protected]. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include "ConfigView.h"
+#include "PCXTranslator.h"
+
+#include <StringView.h>
+#include <CheckBox.h>
+
+#include <stdio.h>
+#include <string.h>
+
+
+ConfigView::ConfigView(const BRect &frame, uint32 resize, uint32 flags)
+	: BView(frame, "PCXTranslator Settings", resize, flags)
+{
+	SetViewColor(ui_color(B_PANEL_BACKGROUND_COLOR));
+
+	font_height fontHeight;
+	be_bold_font->GetHeight(&fontHeight);
+	float height = fontHeight.descent + fontHeight.ascent + fontHeight.leading;
+
+	BRect rect(10, 10, 200, 10 + height);
+	BStringView *stringView = new BStringView(rect, "title", "PCX Images");
+	stringView->SetFont(be_bold_font);
+	stringView->ResizeToPreferred();
+	AddChild(stringView);
+
+	rect.OffsetBy(0, height + 10);
+	char version[256];
+	sprintf(version, "Version %d.%d.%d, %s",
+		int(B_TRANSLATION_MAJOR_VERSION(PCX_TRANSLATOR_VERSION)),
+		int(B_TRANSLATION_MINOR_VERSION(PCX_TRANSLATOR_VERSION)),
+		int(B_TRANSLATION_REVISION_VERSION(PCX_TRANSLATOR_VERSION)),
+		__DATE__);
+	stringView = new BStringView(rect, "version", version);
+	stringView->ResizeToPreferred();
+	AddChild(stringView);
+
+	GetFontHeight(&fontHeight);
+	height = fontHeight.descent + fontHeight.ascent + fontHeight.leading;
+
+	rect.OffsetBy(0, height + 5);
+	stringView = new BStringView(rect, "copyright", B_UTF8_COPYRIGHT "2008 Haiku Inc.");
+	stringView->ResizeToPreferred();
+	AddChild(stringView);
+}
+
+
+ConfigView::~ConfigView()
+{
+}
+

src/add-ons/translators/pcx/ConfigView.h

@@ -0,0 +1,19 @@
+/*
+ * Copyright 2004-2005, Axel Dörfler, [email protected]. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef CONFIG_VIEW_H
+#define CONFIG_VIEW_H
+
+
+#include <View.h>
+
+
+class ConfigView : public BView {
+	public:
+		ConfigView(const BRect &frame, uint32 resize = B_FOLLOW_ALL,
+			uint32 flags = B_WILL_DRAW);	
+		virtual ~ConfigView();
+};
+
+#endif	/* CONFIG_VIEW_H */

src/add-ons/translators/pcx/Jamfile

@@ -0,0 +1,27 @@
+SubDir HAIKU_TOP src add-ons translators pcx ;
+
+SetSubDirSupportedPlatformsBeOSCompatible ;
+
+# Include code from shared translator directory
+SEARCH_SOURCE += [ FDirName $(HAIKU_TOP) src add-ons translators shared ] ;
+
+Translator PCXTranslator :
+	# PCXTranslator classes
+	main.cpp
+	PCXTranslator.cpp
+	ConfigView.cpp
+	PCX.cpp
+
+	# shared classes
+	BaseTranslator.cpp
+	TranslatorSettings.cpp
+	TranslatorWindow.cpp
+
+	: be translation
+	: true
+;
+
+Package haiku-translationkit-cvs :
+	PCXTranslator
+	: boot home config add-ons Translators
+	;

src/add-ons/translators/pcx/PCX.cpp

@@ -0,0 +1,257 @@
+/*
+ * Copyright 2008, Jérôme Duval, [email protected]. All rights reserved.
+ * Copyright 2005, Axel Dörfler, [email protected]. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+
+#include "PCX.h"
+#include "PCXTranslator.h"
+
+#include <ByteOrder.h>
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+
+//#define TRACE_PCX
+#ifdef TRACE_PCX
+#	define TRACE(x...) printf(x)
+#else
+#	define TRACE(x...) ;
+#endif
+
+
+using namespace PCX;
+
+
+class TempAllocator {
+	public:
+		TempAllocator() : fMemory(NULL) {}
+		~TempAllocator() { free(fMemory); }
+
+		void *Allocate(size_t size) { return fMemory = malloc(size); }
+
+	private:
+		void	*fMemory;
+};
+
+
+bool 
+pcx_header::IsValid() const
+{
+	TRACE("manufacturer:%u version:%u encoding:%u bitsPerPixel:%u nPlanes:%u bytesPerLine:%u\n", manufacturer, version, encoding, bitsPerPixel, nPlanes, bytesPerLine);
+	return manufacturer == 10
+		&& version == 5
+		&& encoding == 1
+		&& (bitsPerPixel == 1 || bitsPerPixel == 4 || bitsPerPixel == 8)
+		&& (nPlanes == 1 || nPlanes == 3)
+		&& (bitsPerPixel == 8 || nPlanes == 1)
+		&& (bytesPerLine & 1) == 0;
+}
+
+
+void
+pcx_header::SwapToHost()
+{
+	swap_data(B_UINT16_TYPE, this, sizeof(pcx_header), B_SWAP_LENDIAN_TO_HOST);
+}
+
+
+void
+pcx_header::SwapFromHost()
+{
+	swap_data(B_UINT16_TYPE, this, sizeof(pcx_header), B_SWAP_HOST_TO_LENDIAN);
+}
+
+
+//	#pragma mark -
+
+
+static status_t
+convert_data_to_bits(pcx_header &header, BPositionIO &source,
+	BPositionIO &target)
+{
+	uint16 bitsPerPixel = header.bitsPerPixel;
+	uint16 bytesPerLine = header.bytesPerLine;
+	uint16 width = header.xMax - header.xMin + 1;
+	uint16 height = header.yMax - header.yMin + 1;
+	uint16 nPlanes = header.nPlanes;
+	uint32 scanLineLength = nPlanes * bytesPerLine;
+	
+	// allocate buffers
+	TempAllocator scanLineAllocator;
+	TempAllocator paletteAllocator;
+	uint8 *scanLineData[height];
+	uint8 *palette = (uint8 *)paletteAllocator.Allocate(3 * 256);
+
+	for (uint32 row = 0; row < height; row++) {
+		TRACE("scanline %ld\n", row);
+		scanLineData[row] = (uint8 *)scanLineAllocator.Allocate(scanLineLength);
+		if (scanLineData[row] == NULL)
+			return B_NO_MEMORY;
+		uint8 *line = scanLineData[row];
+		uint32 index = 0;
+		uint8 x;
+		do {
+			if (source.Read(&x, 1) != 1)
+				return B_IO_ERROR;
+			if ((x & 0xc0) == 0xc0) {
+				uint32 count = x & 0x3f;
+				if (index + count - 1 > scanLineLength)
+					return B_IO_ERROR;
+				if (source.Read(&x, 1) != 1)
+					return B_IO_ERROR;
+				for (uint32 i = 0; i < count; i++)
+					line[index++] = x;
+			} else {
+				line[index++] = x;
+			}			
+		} while (index < scanLineLength);
+	}
+	
+	
+	if (bitsPerPixel == 8 && nPlanes == 1) {
+		TRACE("palette reading %p 8\n", palette);
+		uint8 x;
+		if (source.Read(&x, 1) != 1)
+				return B_IO_ERROR;
+		if (x != 12)
+			return B_IO_ERROR;
+		if (source.Read(palette, 256 * 3) != 256 * 3)
+				return B_IO_ERROR;
+	} else {
+		TRACE("palette reading %p palette\n", palette);
+		memcpy(palette, &header.paletteInfo, 48);
+	}
+	
+	uint8 alpha = 255;
+	if (bitsPerPixel == 1 && nPlanes == 1) {
+		TRACE("target writing 1\n");
+		palette[0] = palette[1] = palette[2] = 0;
+		palette[3] = palette[4] = palette[5] = 0xff; 
+		for (uint32 row = 0; row < height; row++) {
+			uint8 *line = scanLineData[row];
+			uint8 mask[] = { 128, 64, 32, 16, 8, 4, 2, 1 };
+			for (int i = 0; i < width; i++) {
+				bool isBit = ((line[i >> 3] & mask[i & 7]) != 0) ? true : false;
+				target.Write(&palette[!isBit ? 2 : 5], 1);
+				target.Write(&palette[!isBit ? 1 : 4], 1);
+				target.Write(&palette[!isBit ? 0 : 3], 1);
+				target.Write(&alpha, 1);
+			}
+		}
+	} else if (bitsPerPixel == 4 && nPlanes == 1) {
+		TRACE("target writing 4\n");
+		for (uint32 row = 0; row < height; row++) {
+			uint8 *line = scanLineData[row];
+			for (int i = 0; i < width; i++) {
+				uint16 index;
+				if ((i & 1) == 0)
+					index = (line[i >> 1] >> 4) & 15;
+				else
+					index = line[i >> 1] & 15;
+				TRACE("target writing 4 i %d index %d\n", i, index);
+				index += (index + index);
+				target.Write(&palette[index+2], 1);
+				target.Write(&palette[index+1], 1);
+				target.Write(&palette[index], 1);
+				target.Write(&alpha, 1);
+			}
+		}
+	} else if (bitsPerPixel == 8 && nPlanes == 1) {
+		TRACE("target writing 8\n");
+		for (uint32 row = 0; row < height; row++) {
+			TRACE("target writing 8 row %ld\n", row);
+			uint8 *line = scanLineData[row];
+			for (int i = 0; i < width; i++) {
+				uint16 index = line[i];
+				index += (index + index);
+				target.Write(&palette[index+2], 1);
+				target.Write(&palette[index+1], 1);
+				target.Write(&palette[index], 1);
+				target.Write(&alpha, 1);
+			}
+	
+		}
+	} else {
+		TRACE("target writing raw\n");
+		for (uint32 row = 0; row < height; row++) {
+			uint8 *line = scanLineData[row];
+			for (int i = 0; i < width; i++) {
+				target.Write(&line[i + 2 * bytesPerLine], 1);
+				target.Write(&line[i + bytesPerLine], 1);
+				target.Write(&line[i], 1);
+				target.Write(&alpha, 1);
+			}
+		}
+	}
+	
+	return B_OK;
+}
+
+
+//	#pragma mark -
+
+
+status_t
+PCX::identify(BMessage *settings, BPositionIO &stream, uint8 &type, int32 &bitsPerPixel)
+{
+	// read in the header
+
+	pcx_header header;
+	if (stream.Read(&header, sizeof(pcx_header)) != (ssize_t)sizeof(pcx_header))
+		return B_BAD_VALUE;
+
+	header.SwapToHost();
+
+	// check header
+
+	if (!header.IsValid())
+		return B_BAD_VALUE;
+		
+	bitsPerPixel = header.bitsPerPixel;
+		
+	TRACE("PCX::identify OK\n");
+
+	return B_OK;
+}
+
+
+/**	Converts an PCX image of any type into a B_RGBA32 B_TRANSLATOR_BITMAP.
+ */
+
+status_t
+PCX::convert_pcx_to_bits(BMessage *settings, BPositionIO &source, BPositionIO &target)
+{
+	pcx_header header;
+	if (source.Read(&header, sizeof(pcx_header)) != (ssize_t)sizeof(pcx_header))
+		return B_BAD_VALUE;
+
+	header.SwapToHost();
+
+	// check header
+
+	if (!header.IsValid())
+		return B_BAD_VALUE;
+		
+	uint16 width = header.xMax - header.xMin + 1;
+	uint16 height = header.yMax - header.yMin + 1;
+	
+	TranslatorBitmap bitsHeader;
+	bitsHeader.magic = B_TRANSLATOR_BITMAP;
+	bitsHeader.bounds.left = 0;
+	bitsHeader.bounds.top = 0;
+	bitsHeader.bounds.right = width - 1;
+	bitsHeader.bounds.bottom = height - 1;
+	bitsHeader.bounds.Set(0, 0, width - 1, height - 1);
+	bitsHeader.rowBytes = width * 4;
+	bitsHeader.colors = B_RGB32;
+	bitsHeader.dataSize = bitsHeader.rowBytes * height;
+
+	// write out Be's Bitmap header
+	swap_data(B_UINT32_TYPE, &bitsHeader, sizeof(TranslatorBitmap), B_SWAP_HOST_TO_BENDIAN);
+	target.Write(&bitsHeader, sizeof(TranslatorBitmap));
+
+	return convert_data_to_bits(header, source, target);
+}

src/add-ons/translators/pcx/PCX.h

@@ -0,0 +1,58 @@
+/*
+ * Copyright 2008, Jérôme Duval, [email protected]. All rights reserved.
+ * Copyright 2005, Axel Dörfler, [email protected]. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef PCX_H
+#define PCX_H
+
+
+#include <GraphicsDefs.h>
+#include <BufferIO.h>
+#include <TranslatorFormats.h>
+
+class BMessage;
+
+
+namespace PCX {
+
+struct pcx_header {
+	uint8	manufacturer;
+	uint8	version;
+	uint8	encoding;
+	uint8	bitsPerPixel;
+	uint16	xMin, yMin, xMax, yMax;
+	uint16	hDpi, vDpi;
+	uint8	colormap[48];
+	uint8	reserved;
+	uint8	nPlanes;
+	uint16	bytesPerLine;
+	uint16	paletteInfo;
+	uint16	hScreenSize, vScreenSize;
+	uint8	filler[54];
+	bool IsValid() const;
+	void SwapToHost();
+	void SwapFromHost();
+} _PACKED;
+
+
+struct rgba32_color {
+	uint8	blue;
+	uint8	green;
+	uint8	red;
+	uint8	alpha;
+
+	inline bool
+	operator==(const rgba32_color& other) const
+	{
+		return red == other.red && green == other.green && blue == other.blue;
+	}
+};
+
+
+extern status_t identify(BMessage *settings, BPositionIO &stream, uint8 &type, int32 &bitsPerPixel);
+extern status_t convert_pcx_to_bits(BMessage *settings, BPositionIO &source, BPositionIO &target);
+
+}	// namespace PCX
+
+#endif	/* PCX_H */

src/add-ons/translators/pcx/PCXTranslator.cpp

@@ -0,0 +1,174 @@
+/*
+ * Copyright 2008, Jérôme Duval, [email protected]. All rights reserved.
+ * Copyright 2005-2006, Axel Dörfler, [email protected]. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include "PCXTranslator.h"
+#include "ConfigView.h"
+#include "PCX.h"
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <string.h>
+
+
+#define kPCXMimeType "image/x-pcx"
+
+
+// The input formats that this translator supports.
+translation_format sInputFormats[] = {
+	{
+		PCX_IMAGE_FORMAT,
+		B_TRANSLATOR_BITMAP,
+		PCX_IN_QUALITY,
+		PCX_IN_CAPABILITY,
+		kPCXMimeType,
+		"PCX image"
+	}/*,
+	{
+		B_TRANSLATOR_BITMAP,
+		B_TRANSLATOR_BITMAP,
+		BITS_IN_QUALITY,
+		BITS_IN_CAPABILITY,
+		"x-be-bitmap",
+		"Be Bitmap image"
+	},*/
+};
+
+// The output formats that this translator supports.
+translation_format sOutputFormats[] = {
+	/*{
+		PCX_IMAGE_FORMAT,
+		B_TRANSLATOR_BITMAP,
+		PCX_OUT_QUALITY,
+		PCX_OUT_CAPABILITY,
+		kPCXMimeType,
+		"PCX image"
+	},*/
+	{
+		B_TRANSLATOR_BITMAP,
+		B_TRANSLATOR_BITMAP,
+		BITS_OUT_QUALITY,
+		BITS_OUT_CAPABILITY,
+		"x-be-bitmap",
+		"Be Bitmap image"
+	},
+};
+
+// Default settings for the Translator
+static TranSetting sDefaultSettings[] = {
+	{B_TRANSLATOR_EXT_HEADER_ONLY, TRAN_SETTING_BOOL, false},
+	{B_TRANSLATOR_EXT_DATA_ONLY, TRAN_SETTING_BOOL, false}
+};
+
+const uint32 kNumInputFormats = sizeof(sInputFormats) / sizeof(translation_format);
+const uint32 kNumOutputFormats = sizeof(sOutputFormats) / sizeof(translation_format);
+const uint32 kNumDefaultSettings = sizeof(sDefaultSettings) / sizeof(TranSetting);
+
+
+PCXTranslator::PCXTranslator()
+	: BaseTranslator("PCX Images", "PCX Translator",
+		PCX_TRANSLATOR_VERSION,
+		sInputFormats, kNumInputFormats,
+		sOutputFormats, kNumOutputFormats,
+		"PCXTranslator_Settings",
+		sDefaultSettings, kNumDefaultSettings,
+		B_TRANSLATOR_BITMAP, PCX_IMAGE_FORMAT)
+{
+}
+
+
+PCXTranslator::~PCXTranslator()
+{
+}
+
+
+status_t
+PCXTranslator::DerivedIdentify(BPositionIO *stream,
+	const translation_format *format, BMessage *ioExtension,
+	translator_info *info, uint32 outType)
+{
+	if (!outType)
+		outType = B_TRANSLATOR_BITMAP;
+	if (outType != B_TRANSLATOR_BITMAP && outType != PCX_IMAGE_FORMAT)
+		return B_NO_TRANSLATOR;
+
+	int32 bitsPerPixel;
+	uint8 type;
+	if (PCX::identify(ioExtension, *stream, type, bitsPerPixel) != B_OK)
+		return B_NO_TRANSLATOR;
+
+	info->type = PCX_IMAGE_FORMAT;
+	info->group = B_TRANSLATOR_BITMAP;
+	info->quality = PCX_IN_QUALITY;
+	info->capability = PCX_IN_CAPABILITY;
+	snprintf(info->name, sizeof(info->name), "PCX %lu bit image",
+		bitsPerPixel);
+	strcpy(info->MIME, kPCXMimeType);
+
+	return B_OK;
+}
+
+
+status_t
+PCXTranslator::DerivedTranslate(BPositionIO *source,
+	const translator_info *info, BMessage *ioExtension,
+	uint32 outType, BPositionIO *target, int32 baseType)
+{
+	/*if (!outType)
+		outType = B_TRANSLATOR_BITMAP;
+	if (outType != B_TRANSLATOR_BITMAP && outType != PCX_IMAGE_FORMAT)
+		return B_NO_TRANSLATOR;*/
+
+	switch (baseType) {
+		/*case 1:
+		{
+			if (outType != PCX_IMAGE_FORMAT)
+				return B_NO_TRANSLATOR;
+
+			// Source is in bits format - this has to be done here, because
+			// identify_bits_header() is a member of the BaseTranslator class...
+			TranslatorBitmap bitsHeader;
+			status_t status = identify_bits_header(source, NULL, &bitsHeader);
+			if (status != B_OK)
+				return status;
+
+			return PCX::convert_bits_to_pcx(ioExtension, *source, bitsHeader, *target);
+		}*/
+
+		case 0:
+		{
+			// source is NOT in bits format
+			if (outType != B_TRANSLATOR_BITMAP)
+				return B_NO_TRANSLATOR;
+
+			return PCX::convert_pcx_to_bits(ioExtension, *source, *target);
+		}
+
+		default:
+			return B_NO_TRANSLATOR;
+	}
+}
+
+
+BView *
+PCXTranslator::NewConfigView(TranslatorSettings *settings)
+{
+	return new ConfigView(BRect(0, 0, 225, 175));
+}
+
+
+//	#pragma mark -
+
+
+BTranslator *
+make_nth_translator(int32 n, image_id you, uint32 flags, ...)
+{
+	if (n != 0)
+		return NULL;
+
+	return new PCXTranslator();
+}
+

src/add-ons/translators/pcx/PCXTranslator.h

@@ -0,0 +1,59 @@
+/*
+ * Copyright 2008, Jérôme Duval, [email protected]. All rights reserved.
+ * Copyright 2005, Axel Dörfler, [email protected]. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+#ifndef PCX_TRANSLATOR_H
+#define PCX_TRANSLATOR_H
+
+
+#include "BaseTranslator.h"
+
+#include <Translator.h>
+#include <TranslatorFormats.h>
+#include <TranslationDefs.h>
+#include <GraphicsDefs.h>
+#include <InterfaceDefs.h>
+#include <DataIO.h>
+#include <File.h>
+#include <ByteOrder.h>
+
+
+#define PCX_TRANSLATOR_VERSION B_TRANSLATION_MAKE_VERSION(0, 3, 0)
+#define PCX_IMAGE_FORMAT	'PCX '
+
+#define PCX_IN_QUALITY		0.5
+#define PCX_IN_CAPABILITY	0.5
+#define BITS_IN_QUALITY		1
+#define BITS_IN_CAPABILITY	1
+
+#define PCX_OUT_QUALITY		0.8
+#define PCX_OUT_CAPABILITY	0.8
+#define BITS_OUT_QUALITY	1
+#define BITS_OUT_CAPABILITY	0.9
+
+
+class PCXTranslator : public BaseTranslator {
+	public:
+		PCXTranslator();
+
+		virtual status_t DerivedIdentify(BPositionIO *inSource,
+			const translation_format *inFormat, BMessage *ioExtension,
+			translator_info *outInfo, uint32 outType);
+
+		virtual status_t DerivedTranslate(BPositionIO *inSource,
+			const translator_info *inInfo, BMessage *ioExtension,
+			uint32 outType, BPositionIO *outDestination, int32 baseType);
+
+		virtual BView *NewConfigView(TranslatorSettings *settings);	
+
+	protected:
+		virtual ~PCXTranslator();
+			// this is protected because the object is deleted by the
+			// Release() function instead of being deleted directly by
+			// the user
+
+	private:
+};
+
+#endif	/* PCX_TRANSLATOR_H */

src/add-ons/translators/pcx/main.cpp

@@ -0,0 +1,28 @@
+/*
+ * Copyright 2008, Jérôme Duval, [email protected]. All rights reserved.
+ * Copyright 2005-2006, Axel Dörfler, [email protected]. All rights reserved.
+ * Distributed under the terms of the MIT License.
+ */
+
+
+#include "PCXTranslator.h"
+#include "PCX.h"
+
+#include "TranslatorWindow.h"
+#include <Application.h>
+
+
+int
+main(int /*argc*/, char **/*argv*/)
+{
+	BApplication app("application/x-vnd.haiku-pcx-translator");
+
+	status_t result;
+	result = LaunchTranslatorWindow(new PCXTranslator, "PCX Settings", BRect(0, 0, 225, 175));
+	if (result != B_OK)
+		return 1;
+
+	app.Run();
+	return 0;
+}
+