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Diffstat (limited to 'graphics/decoders/pict.cpp')
| -rw-r--r-- | graphics/decoders/pict.cpp | 580 |
1 files changed, 0 insertions, 580 deletions
diff --git a/graphics/decoders/pict.cpp b/graphics/decoders/pict.cpp deleted file mode 100644 index f3e17b33e2..0000000000 --- a/graphics/decoders/pict.cpp +++ /dev/null @@ -1,580 +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 "common/debug.h" -#include "common/endian.h" -#include "common/stream.h" -#include "common/substream.h" -#include "common/textconsole.h" - -#include "graphics/surface.h" -#include "graphics/decoders/jpeg.h" -#include "graphics/decoders/pict.h" - -namespace Graphics { - -// The PICT code is based off of the QuickDraw specs: -// http://developer.apple.com/legacy/mac/library/documentation/mac/QuickDraw/QuickDraw-461.html -// http://developer.apple.com/legacy/mac/library/documentation/mac/QuickDraw/QuickDraw-269.html - -PICTDecoder::PICTDecoder() { - _outputSurface = 0; - _paletteColorCount = 0; -} - -PICTDecoder::~PICTDecoder() { - destroy(); -} - -void PICTDecoder::destroy() { - if (_outputSurface) { - _outputSurface->free(); - delete _outputSurface; - _outputSurface = 0; - } - - _paletteColorCount = 0; -} - -#define OPCODE(a, b, c) _opcodes.push_back(PICTOpcode(a, &PICTDecoder::b, c)) - -void PICTDecoder::setupOpcodesCommon() { - OPCODE(0x0000, o_nop, "NOP"); - OPCODE(0x0001, o_clip, "Clip"); - OPCODE(0x0003, o_txFont, "TxFont"); - OPCODE(0x0004, o_txFace, "TxFace"); - OPCODE(0x0007, o_pnSize, "PnSize"); - OPCODE(0x000D, o_txSize, "TxSize"); - OPCODE(0x0010, o_txRatio, "TxRatio"); - OPCODE(0x0011, o_versionOp, "VersionOp"); - OPCODE(0x001E, o_nop, "DefHilite"); - OPCODE(0x0028, o_longText, "LongText"); - OPCODE(0x00A1, o_longComment, "LongComment"); - OPCODE(0x00FF, o_opEndPic, "OpEndPic"); - OPCODE(0x0C00, o_headerOp, "HeaderOp"); -} - -void PICTDecoder::setupOpcodesNormal() { - setupOpcodesCommon(); - OPCODE(0x0098, on_packBitsRect, "PackBitsRect"); - OPCODE(0x009A, on_directBitsRect, "DirectBitsRect"); - OPCODE(0x8200, on_compressedQuickTime, "CompressedQuickTime"); -} - -void PICTDecoder::setupOpcodesQuickTime() { - setupOpcodesCommon(); - OPCODE(0x0098, oq_packBitsRect, "PackBitsRect"); - OPCODE(0x009A, oq_directBitsRect, "DirectBitsRect"); - OPCODE(0x8200, oq_compressedQuickTime, "CompressedQuickTime"); -} - -#undef OPCODE - -void PICTDecoder::o_nop(Common::SeekableReadStream &) { - // Nothing to do -} - -void PICTDecoder::o_clip(Common::SeekableReadStream &stream) { - // Ignore - stream.skip(stream.readUint16BE() - 2); -} - -void PICTDecoder::o_txFont(Common::SeekableReadStream &stream) { - // Ignore - stream.readUint16BE(); -} - -void PICTDecoder::o_txFace(Common::SeekableReadStream &stream) { - // Ignore - stream.readByte(); -} - -void PICTDecoder::o_pnSize(Common::SeekableReadStream &stream) { - // Ignore - stream.readUint16BE(); - stream.readUint16BE(); -} - -void PICTDecoder::o_txSize(Common::SeekableReadStream &stream) { - // Ignore - stream.readUint16BE(); -} - -void PICTDecoder::o_txRatio(Common::SeekableReadStream &stream) { - // Ignore - stream.readUint16BE(); - stream.readUint16BE(); - stream.readUint16BE(); - stream.readUint16BE(); -} - -void PICTDecoder::o_versionOp(Common::SeekableReadStream &stream) { - // We only support v2 extended - if (stream.readUint16BE() != 0x02FF) - error("Unknown PICT version"); -} - -void PICTDecoder::o_longText(Common::SeekableReadStream &stream) { - // Ignore - stream.readUint16BE(); - stream.readUint16BE(); - stream.skip(stream.readByte()); -} - -void PICTDecoder::o_longComment(Common::SeekableReadStream &stream) { - // Ignore - stream.readUint16BE(); - stream.skip(stream.readUint16BE()); -} - -void PICTDecoder::o_opEndPic(Common::SeekableReadStream &stream) { - // We've reached the end of the picture - _continueParsing = false; -} - -void PICTDecoder::o_headerOp(Common::SeekableReadStream &stream) { - // Read the basic header, but we don't really have to do anything with it - /* uint16 version = */ stream.readUint16BE(); - stream.readUint16BE(); // Reserved - /* uint32 hRes = */ stream.readUint32BE(); - /* uint32 vRes = */ stream.readUint32BE(); - Common::Rect origResRect; - origResRect.top = stream.readUint16BE(); - origResRect.left = stream.readUint16BE(); - origResRect.bottom = stream.readUint16BE(); - origResRect.right = stream.readUint16BE(); - stream.readUint32BE(); // Reserved -} - -void PICTDecoder::on_packBitsRect(Common::SeekableReadStream &stream) { - // Unpack data (8bpp or lower) - unpackBitsRect(stream, true); -} - -void PICTDecoder::on_directBitsRect(Common::SeekableReadStream &stream) { - // Unpack data (16bpp or higher) - unpackBitsRect(stream, false); -} - -void PICTDecoder::on_compressedQuickTime(Common::SeekableReadStream &stream) { - // OK, here's the fun. We get to completely change how QuickDraw draws - // the data in PICT files. - - // Swap out the opcodes to the new ones - _opcodes.clear(); - setupOpcodesQuickTime(); - - // We'll decode the first QuickTime data from here, but the QuickTime-specific - // opcodes will take over from here on out. Normal opcodes, signing off. - decodeCompressedQuickTime(stream); -} - -void PICTDecoder::oq_packBitsRect(Common::SeekableReadStream &stream) { - // Skip any data here (8bpp or lower) - skipBitsRect(stream, true); -} - -void PICTDecoder::oq_directBitsRect(Common::SeekableReadStream &stream) { - // Skip any data here (16bpp or higher) - skipBitsRect(stream, false); -} - -void PICTDecoder::oq_compressedQuickTime(Common::SeekableReadStream &stream) { - // Just pass the data along - decodeCompressedQuickTime(stream); -} - -bool PICTDecoder::loadStream(Common::SeekableReadStream &stream) { - destroy(); - - // Initialize opcodes to their normal state - _opcodes.clear(); - setupOpcodesNormal(); - - _continueParsing = true; - memset(_palette, 0, sizeof(_palette)); - - uint16 fileSize = stream.readUint16BE(); - - // If we have no file size here, we probably have a PICT from a file - // and not a resource. The other two bytes are the fileSize which we - // don't actually need (and already read if from a resource). - if (!fileSize) - stream.seek(512 + 2); - - _imageRect.top = stream.readUint16BE(); - _imageRect.left = stream.readUint16BE(); - _imageRect.bottom = stream.readUint16BE(); - _imageRect.right = stream.readUint16BE(); - _imageRect.debugPrint(0, "PICT Rect:"); - - // NOTE: This is only a subset of the full PICT format. - // - Only V2 (Extended) Images Supported - // - CompressedQuickTime (JPEG) compressed data is supported - // - DirectBitsRect/PackBitsRect compressed data is supported - for (uint32 opNum = 0; !stream.eos() && !stream.err() && stream.pos() < stream.size() && _continueParsing; opNum++) { - // PICT v2 opcodes are two bytes - uint16 opcode = stream.readUint16BE(); - - if (opNum == 0 && opcode != 0x0011) { - warning("Cannot find PICT version opcode"); - return false; - } else if (opNum == 1 && opcode != 0x0C00) { - warning("Cannot find PICT header opcode"); - return false; - } - - // Since opcodes are word-aligned, we need to mark our starting - // position here. - uint32 startPos = stream.pos(); - - for (uint32 i = 0; i < _opcodes.size(); i++) { - if (_opcodes[i].op == opcode) { - debug(4, "Running PICT opcode %04x '%s'", opcode, _opcodes[i].desc); - (this->*(_opcodes[i].proc))(stream); - break; - } else if (i == _opcodes.size() - 1) { - // Unknown opcode; attempt to continue forward - warning("Unknown PICT opcode %04x", opcode); - } - } - - // Align - stream.skip((stream.pos() - startPos) & 1); - } - - return _outputSurface; -} - -PICTDecoder::PixMap PICTDecoder::readPixMap(Common::SeekableReadStream &stream, bool hasBaseAddr) { - PixMap pixMap; - pixMap.baseAddr = hasBaseAddr ? stream.readUint32BE() : 0; - pixMap.rowBytes = stream.readUint16BE() & 0x3fff; - pixMap.bounds.top = stream.readUint16BE(); - pixMap.bounds.left = stream.readUint16BE(); - pixMap.bounds.bottom = stream.readUint16BE(); - pixMap.bounds.right = stream.readUint16BE(); - pixMap.pmVersion = stream.readUint16BE(); - pixMap.packType = stream.readUint16BE(); - pixMap.packSize = stream.readUint32BE(); - pixMap.hRes = stream.readUint32BE(); - pixMap.vRes = stream.readUint32BE(); - pixMap.pixelType = stream.readUint16BE(); - pixMap.pixelSize = stream.readUint16BE(); - pixMap.cmpCount = stream.readUint16BE(); - pixMap.cmpSize = stream.readUint16BE(); - pixMap.planeBytes = stream.readUint32BE(); - pixMap.pmTable = stream.readUint32BE(); - pixMap.pmReserved = stream.readUint32BE(); - return pixMap; -} - -struct PackBitsRectData { - PICTDecoder::PixMap pixMap; - Common::Rect srcRect; - Common::Rect dstRect; - uint16 mode; -}; - -void PICTDecoder::unpackBitsRect(Common::SeekableReadStream &stream, bool withPalette) { - PackBitsRectData packBitsData; - packBitsData.pixMap = readPixMap(stream, !withPalette); - - // Read in the palette if there is one present - if (withPalette) { - // See http://developer.apple.com/legacy/mac/library/documentation/mac/QuickDraw/QuickDraw-267.html - stream.readUint32BE(); // seed - stream.readUint16BE(); // flags - _paletteColorCount = stream.readUint16BE() + 1; - - for (uint32 i = 0; i < _paletteColorCount; i++) { - stream.readUint16BE(); - _palette[i * 3] = stream.readUint16BE() >> 8; - _palette[i * 3 + 1] = stream.readUint16BE() >> 8; - _palette[i * 3 + 2] = stream.readUint16BE() >> 8; - } - } - - packBitsData.srcRect.top = stream.readUint16BE(); - packBitsData.srcRect.left = stream.readUint16BE(); - packBitsData.srcRect.bottom = stream.readUint16BE(); - packBitsData.srcRect.right = stream.readUint16BE(); - packBitsData.dstRect.top = stream.readUint16BE(); - packBitsData.dstRect.left = stream.readUint16BE(); - packBitsData.dstRect.bottom = stream.readUint16BE(); - packBitsData.dstRect.right = stream.readUint16BE(); - packBitsData.mode = stream.readUint16BE(); - - uint16 width = packBitsData.srcRect.width(); - uint16 height = packBitsData.srcRect.height(); - - byte bytesPerPixel = 0; - - if (packBitsData.pixMap.pixelSize <= 8) - bytesPerPixel = 1; - else if (packBitsData.pixMap.pixelSize == 32) - bytesPerPixel = packBitsData.pixMap.cmpCount; - else - bytesPerPixel = packBitsData.pixMap.pixelSize / 8; - - // Ensure we have enough space in the buffer to hold an entire line's worth of pixels - uint32 lineSize = MAX<int>(width * bytesPerPixel + (8 * 2 / packBitsData.pixMap.pixelSize), packBitsData.pixMap.rowBytes); - byte *buffer = new byte[lineSize * height]; - - // Read in amount of data per row - for (uint16 i = 0; i < packBitsData.pixMap.bounds.height(); i++) { - // NOTE: Compression 0 is "default". The format in SCI games is packed when 0. - // In the future, we may need to have something to set the "default" packing - // format, but this is good for now. - - if (packBitsData.pixMap.packType == 1 || packBitsData.pixMap.rowBytes < 8) { // Unpacked, Pad-Byte (on 24-bit) - // TODO: Finish this. Hasn't been needed (yet). - error("Unpacked DirectBitsRect data (padded)"); - } else if (packBitsData.pixMap.packType == 2) { // Unpacked, No Pad-Byte (on 24-bit) - // TODO: Finish this. Hasn't been needed (yet). - error("Unpacked DirectBitsRect data (not padded)"); - } else if (packBitsData.pixMap.packType == 0 || packBitsData.pixMap.packType > 2) { // Packed - uint16 byteCount = (packBitsData.pixMap.rowBytes > 250) ? stream.readUint16BE() : stream.readByte(); - unpackBitsLine(buffer + i * width * bytesPerPixel, packBitsData.pixMap.rowBytes, stream.readStream(byteCount), packBitsData.pixMap.pixelSize, bytesPerPixel); - } - } - - _outputSurface = new Graphics::Surface(); - - switch (bytesPerPixel) { - case 1: - // Just copy to the image - _outputSurface->create(width, height, PixelFormat::createFormatCLUT8()); - memcpy(_outputSurface->getPixels(), buffer, _outputSurface->w * _outputSurface->h); - break; - case 2: - // We have a 16-bit surface - _outputSurface->create(width, height, PixelFormat(2, 5, 5, 5, 0, 10, 5, 0, 0)); - for (uint16 y = 0; y < _outputSurface->h; y++) - for (uint16 x = 0; x < _outputSurface->w; x++) - WRITE_UINT16(_outputSurface->getBasePtr(x, y), READ_UINT16(buffer + (y * _outputSurface->w + x) * 2)); - break; - case 3: - // We have a planar 24-bit surface - _outputSurface->create(width, height, Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0)); - for (uint16 y = 0; y < _outputSurface->h; y++) { - for (uint16 x = 0; x < _outputSurface->w; x++) { - byte r = *(buffer + y * _outputSurface->w * 3 + x); - byte g = *(buffer + y * _outputSurface->w * 3 + _outputSurface->w + x); - byte b = *(buffer + y * _outputSurface->w * 3 + _outputSurface->w * 2 + x); - *((uint32 *)_outputSurface->getBasePtr(x, y)) = _outputSurface->format.RGBToColor(r, g, b); - } - } - break; - case 4: - // We have a planar 32-bit surface - // Note that we ignore the alpha channel since it seems to not be correct - // Mac OS X does not ignore it, but then displays it incorrectly. Photoshop - // does ignore it and displays it correctly. - _outputSurface->create(width, height, Graphics::PixelFormat(4, 8, 8, 8, 8, 24, 16, 8, 0)); - for (uint16 y = 0; y < _outputSurface->h; y++) { - for (uint16 x = 0; x < _outputSurface->w; x++) { - byte a = 0xFF; - byte r = *(buffer + y * _outputSurface->w * 4 + _outputSurface->w + x); - byte g = *(buffer + y * _outputSurface->w * 4 + _outputSurface->w * 2 + x); - byte b = *(buffer + y * _outputSurface->w * 4 + _outputSurface->w * 3 + x); - *((uint32 *)_outputSurface->getBasePtr(x, y)) = _outputSurface->format.ARGBToColor(a, r, g, b); - } - } - break; - } - - delete[] buffer; -} - -void PICTDecoder::unpackBitsLine(byte *out, uint32 length, Common::SeekableReadStream *data, byte bitsPerPixel, byte bytesPerPixel) { - uint32 dataDecoded = 0; - byte bytesPerDecode = (bytesPerPixel == 2) ? 2 : 1; - - while (data->pos() < data->size() && dataDecoded < length) { - byte op = data->readByte(); - - if (op & 0x80) { - uint32 runSize = (op ^ 255) + 2; - uint16 value = (bytesPerDecode == 2) ? data->readUint16BE() : data->readByte(); - - for (uint32 i = 0; i < runSize; i++) { - if (bytesPerDecode == 2) { - WRITE_UINT16(out, value); - out += 2; - } else { - outputPixelBuffer(out, value, bitsPerPixel); - } - } - dataDecoded += runSize * bytesPerDecode; - } else { - uint32 runSize = op + 1; - - if (bytesPerDecode == 1) { - for (uint32 i = 0; i < runSize; i++) - outputPixelBuffer(out, data->readByte(), bitsPerPixel); - } else { - for (uint32 i = 0; i < runSize; i++) { - WRITE_UINT16(out, data->readUint16BE()); - out += 2; - } - } - - dataDecoded += runSize * bytesPerDecode; - } - } - - // HACK: Even if the data is 24-bit, rowBytes is still 32-bit - if (bytesPerPixel == 3) - dataDecoded += length / 4; - - if (length != dataDecoded) - warning("Mismatched PackBits read (%d/%d)", dataDecoded, length); - - delete data; -} - -void PICTDecoder::outputPixelBuffer(byte *&out, byte value, byte bitsPerPixel) { - switch (bitsPerPixel) { - case 1: - for (int i = 7; i >= 0; i--) - *out++ = (value >> i) & 1; - break; - case 2: - for (int i = 6; i >= 0; i -= 2) - *out++ = (value >> i) & 3; - break; - case 4: - *out++ = (value >> 4) & 0xf; - *out++ = value & 0xf; - break; - default: - *out++ = value; - } -} - -void PICTDecoder::skipBitsRect(Common::SeekableReadStream &stream, bool withPalette) { - // Step through a PackBitsRect/DirectBitsRect function - - if (!withPalette) - stream.readUint32BE(); - - uint16 rowBytes = stream.readUint16BE(); - uint16 height = stream.readUint16BE(); - stream.readUint16BE(); - height = stream.readUint16BE() - height; - stream.readUint16BE(); - - uint16 packType; - - // Top two bits signify PixMap vs BitMap - if (rowBytes & 0xC000) { - // PixMap - stream.readUint16BE(); - packType = stream.readUint16BE(); - stream.skip(14); - stream.readUint16BE(); // pixelSize - stream.skip(16); - - if (withPalette) { - stream.readUint32BE(); - stream.readUint16BE(); - stream.skip((stream.readUint16BE() + 1) * 8); - } - - rowBytes &= 0x3FFF; - } else { - // BitMap - packType = 0; - } - - stream.skip(18); - - for (uint16 i = 0; i < height; i++) { - if (packType == 1 || packType == 2 || rowBytes < 8) - error("Unpacked PackBitsRect data"); - else if (packType == 0 || packType > 2) - stream.skip((rowBytes > 250) ? stream.readUint16BE() : stream.readByte()); - } -} - -// Compressed QuickTime details can be found here: -// http://developer.apple.com/legacy/mac/library/#documentation/QuickTime/Rm/CompressDecompress/ImageComprMgr/B-Chapter/2TheImageCompression.html -// http://developer.apple.com/legacy/mac/library/#documentation/QuickTime/Rm/CompressDecompress/ImageComprMgr/F-Chapter/6WorkingwiththeImage.html -void PICTDecoder::decodeCompressedQuickTime(Common::SeekableReadStream &stream) { - // First, read all the fields from the opcode - uint32 dataSize = stream.readUint32BE(); - uint32 startPos = stream.pos(); - - /* uint16 version = */ stream.readUint16BE(); - - // Read in the display matrix - uint32 matrix[3][3]; - for (uint32 i = 0; i < 3; i++) - for (uint32 j = 0; j < 3; j++) - matrix[i][j] = stream.readUint32BE(); - - // We currently only support offseting images vertically from the matrix - uint16 xOffset = 0; - uint16 yOffset = matrix[2][1] >> 16; - - uint32 matteSize = stream.readUint32BE(); - stream.skip(8); // matte rect - /* uint16 transferMode = */ stream.readUint16BE(); - stream.skip(8); // src rect - /* uint32 accuracy = */ stream.readUint32BE(); - uint32 maskSize = stream.readUint32BE(); - - // Skip the matte and mask - stream.skip(matteSize + maskSize); - - // Now we've reached the image descriptor, so read the relevant data from that - uint32 idStart = stream.pos(); - uint32 idSize = stream.readUint32BE(); - uint32 codec = stream.readUint32BE(); - stream.skip(36); // miscellaneous stuff - uint32 jpegSize = stream.readUint32BE(); - stream.skip(idSize - (stream.pos() - idStart)); // more useless stuff - - if (codec != MKTAG('j', 'p', 'e', 'g')) - error("Unhandled CompressedQuickTime format '%s'", tag2str(codec)); - - Common::SeekableSubReadStream jpegStream(&stream, stream.pos(), stream.pos() + jpegSize); - - JPEGDecoder jpeg; - if (!jpeg.loadStream(jpegStream)) - error("PICTDecoder::decodeCompressedQuickTime(): Could not decode JPEG data"); - - const Graphics::Surface *jpegSurface = jpeg.getSurface(); - - if (!_outputSurface) { - _outputSurface = new Graphics::Surface(); - _outputSurface->create(_imageRect.width(), _imageRect.height(), jpegSurface->format); - } - - for (uint16 y = 0; y < jpegSurface->h; y++) - memcpy(_outputSurface->getBasePtr(0 + xOffset, y + yOffset), jpegSurface->getBasePtr(0, y), jpegSurface->w * jpegSurface->format.bytesPerPixel); - - stream.seek(startPos + dataSize); -} - -} // End of namespace Graphics |