GRAPHICS: Delete iff.cpp and iff.h since all ILBM and PBM decoding is handled by IFFDecoder now

3 files changed, 0 insertions, 427 deletions

diff --git a/graphics/iff.cpp b/graphics/iff.cpp
deleted file mode 100644
index 395d8d803b..0000000000
--- a/graphics/iff.cpp
+++ /dev/null
@@ -1,289 +0,0 @@
-/* ScummVM - Graphic Adventure Engine
- *
- * ScummVM is the legal property of its developers, whose names
- * are too numerous to list here. Please refer to the COPYRIGHT
- * file distributed with this source distribution.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
-
-#include "graphics/iff.h"
-#include "graphics/surface.h"
-
-#include "common/endian.h"
-#include "common/func.h"
-#include "common/iff_container.h"
-#include "common/textconsole.h"
-#include "common/util.h"
-
-namespace Graphics {
-
-void BMHD::load(Common::ReadStream *stream) {
-	assert(stream);
-	stream->read(this, sizeof(BMHD));
-	width = FROM_BE_16(width);
-	height = FROM_BE_16(height);
-	x = FROM_BE_16(x);
-	y = FROM_BE_16(y);
-	transparentColor = FROM_BE_16(transparentColor);
-	pageWidth = FROM_BE_16(pageWidth);
-	pageHeight = FROM_BE_16(pageHeight);
-}
-
-
-void ILBMDecoder::loadHeader(Common::ReadStream *stream) {
-	_header.load(stream);
-}
-
-void ILBMDecoder::loadBitmap(uint32 mode, byte *buffer, Common::ReadStream *stream, uint32 outPitch) {
-	assert(stream);
-	uint32 numPlanes = MIN(mode & ILBM_UNPACK_PLANES, (uint32)_header.depth);
-	assert(numPlanes >= 1 && numPlanes <= 8 && numPlanes != 7);
-
-	bool packPixels = (mode & ILBM_PACK_PLANES) != 0;
-	if (numPlanes != 1 && numPlanes != 2 && numPlanes != 4) {
-		packPixels = false;
-	}
-
-	if (outPitch == 0)
-		outPitch = _header.width;
-	if (packPixels) {
-		outPitch /= (8 / numPlanes);
-	}
-	byte *out = buffer;
-
-	switch (_header.pack) {
-	case 0: {	// non-compressed bitmap
-		// setup a buffer to hold enough data to build a line in the output
-		uint32 scanlineWidth = ((_header.width + 15) / 16) << 1;
-		byte *scanline = new byte[scanlineWidth * _header.depth];
-
-		for (uint i = 0; i < _header.height; ++i) {
-			byte *s = scanline;
-			for (uint32 j = 0; j < _header.depth; ++j) {
-				stream->read(s, scanlineWidth);
-				s += scanlineWidth;
-			}
-
-			planarToChunky(out, outPitch, scanline, scanlineWidth, numPlanes, packPixels);
-			out += outPitch;
-		}
-
-		delete[] scanline;
-		break;
-	}
-
-	case 1: {	// PackBits compressed bitmap
-		Graphics::PackBitsReadStream packStream(*stream);
-
-		// setup a buffer to hold enough data to build a line in the output
-		uint32 scanlineWidth = ((_header.width + 15) / 16) << 1;
-		byte *scanline = new byte[scanlineWidth * _header.depth];
-
-		for (uint i = 0; i < _header.height; ++i) {
-			byte *s = scanline;
-			for (uint32 j = 0; j < _header.depth; ++j) {
-				packStream.read(s, scanlineWidth);
-				s += scanlineWidth;
-			}
-
-			planarToChunky(out, outPitch, scanline, scanlineWidth, numPlanes, packPixels);
-			out += outPitch;
-		}
-
-		delete[] scanline;
-		break;
-	}
-
-	default:
-		// implement other compression types here!
-		error("only uncompressed and RLE compressed ILBM files are supported");
-		break;
-	}
-}
-
-void ILBMDecoder::planarToChunky(byte *out, uint32 outPitch, byte *in, uint32 inWidth, uint32 nPlanes, bool packPlanes) {
-	byte pix, ofs, bit;
-	byte *s;
-
-	uint32 pixels = outPitch;
-	if (packPlanes) {
-		pixels *= (8 / nPlanes);
-	}
-
-	for (uint32 x = 0; x < pixels; ++x) {
-
-		pix = 0;
-		ofs = x >> 3;
-		bit = 0x80 >> (x & 7);
-
-		// first build a pixel by scanning all the usable planes in the input
-		s = in;
-		for (uint32 plane = 0; plane < nPlanes; ++plane) {
-			if (s[ofs] & bit) {
-				pix |= (1 << plane);
-			}
-			s += inWidth;
-		}
-
-
-		// then output the pixel according to the requested packing
-		if (!packPlanes) {
-			out[x] = pix;
-		} else if (nPlanes == 1) {
-			out[x / 8] |= (pix << (x & 7));
-		} else if (nPlanes == 2) {
-			out[x / 4] |= (pix << ((x & 3) << 1));
-		} else if (nPlanes == 4) {
-			out[x / 2] |= (pix << ((x & 1) << 2));
-		}
-	}
-
-}
-
-
-//	handles PBM subtype of IFF FORM files
-//
-struct PBMDecoder {
-	/**
-	 * PBM header data, necessary for loadBitmap()
-	 */
-	Graphics::BMHD	_header;
-
-	/**
-	 * Fills the _header member from the given stream.
-	 */
-	void loadHeader(Common::ReadStream *stream);
-
-	/**
-	 * Loads and unpacks the PBM bitmap data from the stream into the buffer.
-	 * The functions assumes the buffer is large enough to contain all data.
-	 */
-	void loadBitmap(byte *buffer, Common::ReadStream *stream);
-};
-
-void PBMDecoder::loadHeader(Common::ReadStream *stream) {
-	_header.load(stream);
-}
-
-
-void PBMDecoder::loadBitmap(byte *buffer, Common::ReadStream *stream) {
-	uint32 outSize = _header.width * _header.height;
-
-	switch (_header.pack) {
-	case 0:
-		stream->read(buffer, outSize);
-		break;
-
-	case 1: {
-		PackBitsReadStream packStream(*stream);
-		packStream.read(buffer, outSize);
-		break;
-		}
-	}
-}
-
-
-struct PBMLoader {
-	PBMDecoder _decoder;
-	Surface *_surface;
-	byte *_colors;
-
-	void load(Common::ReadStream &input, Surface &surface, byte *&colors) {
-		_surface = &surface;
-		_colors = colors;
-		Common::IFFParser parser(&input);
-		Common::Functor1Mem<Common::IFFChunk &, bool, PBMLoader> c(this, &PBMLoader::callback);
-		parser.parse(c);
-	}
-
-	bool callback(Common::IFFChunk &chunk) {
-		switch (chunk._type) {
-		case ID_BMHD:
-			_decoder.loadHeader(chunk._stream);
-			break;
-
-		case ID_CMAP:
-			if (_colors) {
-				chunk._stream->read(_colors, chunk._size);
-			}
-			break;
-
-		case ID_BODY:
-			if (_surface) {
-				_surface->create(_decoder._header.width, _decoder._header.height, PixelFormat::createFormatCLUT8());
-				_decoder.loadBitmap((byte *)_surface->pixels, chunk._stream);
-			}
-			return true;	// stop the parser
-		}
-
-		return false;
-	}
-};
-
-void decodePBM(Common::ReadStream &input, Surface &surface, byte *colors) {
-	PBMLoader loader;
-	loader.load(input, surface, colors);
-}
-
-
-
-
-PackBitsReadStream::PackBitsReadStream(Common::ReadStream &input) : _input(&input) {
-}
-
-PackBitsReadStream::~PackBitsReadStream() {
-}
-
-bool PackBitsReadStream::eos() const {
-	return _input->eos();
-}
-
-uint32 PackBitsReadStream::read(void *dataPtr, uint32 dataSize) {
-	byte *out = (byte *)dataPtr;
-	uint32 left = dataSize;
-
-	uint32 lenR = 0, lenW = 0;
-	while (left > 0 && !_input->eos()) {
-		lenR = _input->readByte();
-
-		if (lenR == 128) {
-			// no-op
-			lenW = 0;
-		} else if (lenR <= 127) {
-			// literal run
-			lenR++;
-			lenW = MIN(lenR, left);
-			for (uint32 j = 0; j < lenW; j++) {
-				*out++ = _input->readByte();
-			}
-			for (; lenR > lenW; lenR--) {
-				_input->readByte();
-			}
-		} else {  // len > 128
-			// expand run
-			lenW = MIN((256 - lenR) + 1, left);
-			byte val = _input->readByte();
-			memset(out, val, lenW);
-			out += lenW;
-		}
-
-		left -= lenW;
-	}
-
-	return dataSize - left;
-}
-
-} // End of namespace Graphics
diff --git a/graphics/iff.h b/graphics/iff.h
deleted file mode 100644
index 651867fa52..0000000000
--- a/graphics/iff.h
+++ /dev/null
@@ -1,137 +0,0 @@
-/* ScummVM - Graphic Adventure Engine
- *
- * ScummVM is the legal property of its developers, whose names
- * are too numerous to list here. Please refer to the COPYRIGHT
- * file distributed with this source distribution.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License
- * as published by the Free Software Foundation; either version 2
- * of the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- */
-
-/*
- * Bitmap decoder used in engines:
- *  - parallaction
- *  - saga
- */
-
-#ifndef GRAPHICS_IFF_H
-#define GRAPHICS_IFF_H
-
-#include "common/stream.h"
-
-namespace Graphics {
-
-struct Surface;
-
-
-struct BMHD {
-	uint16 width, height;
-	uint16 x, y;
-	byte depth;
-	byte masking;
-	byte pack;
-	byte flags;
-	uint16 transparentColor;
-	byte xAspect, yAspect;
-	uint16 pageWidth, pageHeight;
-
-	BMHD() {
-		memset(this, 0, sizeof(*this));
-	}
-
-	void load(Common::ReadStream *stream);
-};
-
-
-struct ILBMDecoder {
-	/**
-	 * ILBM header data, necessary for loadBitmap()
-	 */
-	Graphics::BMHD	_header;
-
-	/**
-	 * Available decoding modes for loadBitmap().
-	 */
-	enum {
-		ILBM_UNPACK_PLANES = 0xFF,		///< Decode all bitplanes, and map 1 pixel to 1 byte.
-		ILBM_PACK_PLANES   = 0x100,		///< Request unpacking, used as a mask with below options.
-
-		ILBM_1_PLANES      = 1,									///< Decode only the first bitplane, don't pack.
-		ILBM_1_PACK_PLANES = ILBM_1_PLANES | ILBM_PACK_PLANES, 	///< Decode only the first bitplane, pack 8 pixels in 1 byte.
-		ILBM_2_PLANES      = 2,									///< Decode first 2 bitplanes, don't pack.
-		ILBM_2_PACK_PLANES = ILBM_2_PLANES | ILBM_PACK_PLANES,	///< Decode first 2 bitplanes, pack 4 pixels in 1 byte.
-		ILBM_3_PLANES      = 3,									///< Decode first 3 bitplanes, don't pack.
-		ILBM_4_PLANES      = 4,									///< Decode first 4 bitplanes, don't pack.
-		ILBM_4_PACK_PLANES = ILBM_4_PLANES | ILBM_PACK_PLANES,	///< Decode first 4 bitplanes, pack 2 pixels in 1 byte.
-		ILBM_5_PLANES      = 5,									///< Decode first 5 bitplanes, don't pack.
-		ILBM_8_PLANES      = 8									///< Decode all 8 bitplanes.
-	};
-
-	/**
-	 * Fills the _header member from the given stream.
-	 */
-	void loadHeader(Common::ReadStream *stream);
-
-	/**
-	 * Loads and unpacks the ILBM bitmap data from the stream into the buffer.
-	 * The functions assumes the buffer is large enough to contain all data.
-	 * The caller controls how data should be packed by choosing mode from
-	 * the enum above.
-	 */
-	void loadBitmap(uint32 mode, byte *buffer, Common::ReadStream *stream, uint32 outPitch = 0);
-
-	/**
-	 * Converts from bitplanar to chunky representation. Intended for internal
-	 * usage, but you can be (ab)use it from client code if you know what you
-	 * are doing.
-	 */
-	void planarToChunky(byte *out, uint32 width, byte *in, uint32 planeWidth, uint32 nPlanes, bool packPlanes);
-};
-
-
-
-/**
- * Handles PBM subtype of IFF FORM files
- */
-void decodePBM(Common::ReadStream &input, Surface &surface, byte *colors);
-
-
-/**
- * Decode a given PackBits encoded stream.
- *
- * PackBits is an RLE compression algorithm introduced by Apple. It is also
- * used to encode ILBM and PBM subtypes of IFF files, and some flavors of
- * TIFF.
- *
- * As there is no compression across row boundaries in the above formats,
- * read() will extract a *new* line on each call, discarding any alignment
- * or padding.
- */
-class PackBitsReadStream : public Common::ReadStream {
-
-protected:
-	Common::ReadStream *_input;
-
-public:
-	PackBitsReadStream(Common::ReadStream &input);
-	~PackBitsReadStream();
-
-	virtual bool eos() const;
-
-	uint32 read(void *dataPtr, uint32 dataSize);
-};
-
-} // End of namespace Graphics
-
-#endif
diff --git a/graphics/module.mk b/graphics/module.mk
index 4e4428daac..8b63435905 100644
--- a/graphics/module.mk
+++ b/graphics/module.mk
@@ -11,7 +11,6 @@ MODULE_OBJS := \
 	fonts/newfont.o \
 	fonts/ttf.o \
 	fonts/winfont.o \
-	iff.o \
 	maccursor.o \
 	primitives.o \
 	scaler.o \