From ad0eb0b06ef6c715280c21a1c036be5c56a3183a Mon Sep 17 00:00:00 2001 From: Matthew Hoops Date: Mon, 24 May 2010 17:18:09 +0000 Subject: Move the PICT code to graphics/ with some updates; needed for SCI1.1 Mac. svn-id: r49195 --- engines/mohawk/graphics.cpp | 2 +- engines/mohawk/graphics.h | 4 +- engines/mohawk/module.mk | 1 - engines/mohawk/myst_pict.cpp | 269 ---------------------------------- engines/mohawk/myst_pict.h | 57 -------- graphics/module.mk | 1 + graphics/pict.cpp | 333 +++++++++++++++++++++++++++++++++++++++++++ graphics/pict.h | 83 +++++++++++ 8 files changed, 420 insertions(+), 330 deletions(-) delete mode 100644 engines/mohawk/myst_pict.cpp delete mode 100644 engines/mohawk/myst_pict.h create mode 100644 graphics/pict.cpp create mode 100644 graphics/pict.h diff --git a/engines/mohawk/graphics.cpp b/engines/mohawk/graphics.cpp index 1b220c861b..2ddfb47575 100644 --- a/engines/mohawk/graphics.cpp +++ b/engines/mohawk/graphics.cpp @@ -79,7 +79,7 @@ MystGraphics::MystGraphics(MohawkEngine_Myst* vm) : _vm(vm) { if (_vm->getFeatures() & GF_ME) { _jpegDecoder = new Graphics::JPEGDecoder(); - _pictDecoder = new MystPICT(_jpegDecoder); + _pictDecoder = new Graphics::PictDecoder(_pixelFormat); } else { _jpegDecoder = NULL; _pictDecoder = NULL; diff --git a/engines/mohawk/graphics.h b/engines/mohawk/graphics.h index 23b1ace347..dd1764e6d6 100644 --- a/engines/mohawk/graphics.h +++ b/engines/mohawk/graphics.h @@ -28,9 +28,9 @@ #include "mohawk/bitmap.h" #include "mohawk/livingbooks.h" -#include "mohawk/myst_pict.h" #include "common/file.h" +#include "graphics/pict.h" #include "graphics/video/codecs/mjpeg.h" namespace Mohawk { @@ -104,7 +104,7 @@ public: private: MohawkEngine_Myst *_vm; MystBitmap *_bmpDecoder; - MystPICT *_pictDecoder; + Graphics::PictDecoder *_pictDecoder; Graphics::JPEGDecoder *_jpegDecoder; Graphics::PixelFormat _pixelFormat; diff --git a/engines/mohawk/module.mk b/engines/mohawk/module.mk index 8c23cdfa87..bb79d4abac 100644 --- a/engines/mohawk/module.mk +++ b/engines/mohawk/module.mk @@ -9,7 +9,6 @@ MODULE_OBJS = \ livingbooks.o \ mohawk.o \ myst.o \ - myst_pict.o \ myst_vars.o \ myst_saveload.o \ myst_scripts.o \ diff --git a/engines/mohawk/myst_pict.cpp b/engines/mohawk/myst_pict.cpp deleted file mode 100644 index 2dfed65d2b..0000000000 --- a/engines/mohawk/myst_pict.cpp +++ /dev/null @@ -1,269 +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. - * - * $URL$ - * $Id$ - * - */ - -#include "common/system.h" - -#include "mohawk/myst_pict.h" - -namespace Mohawk { - -// The PICT code is based off of the QuickDraw specs: -// http://developer.apple.com/documentation/mac/QuickDraw/QuickDraw-461.html - -MystPICT::MystPICT(Graphics::JPEGDecoder *jpegDecoder) { - _jpegDecoder = jpegDecoder; - _pixelFormat = g_system->getScreenFormat(); -} - -Graphics::Surface *MystPICT::decodeImage(Common::SeekableReadStream *stream) { - // Skip initial 512 bytes (all 0's) - stream->seek(512, SEEK_CUR); - - // Read in the first part of the header - /* uint16 fileSize = */ stream->readUint16BE(); - - _imageRect.top = stream->readUint16BE(); - _imageRect.left = stream->readUint16BE(); - _imageRect.bottom = stream->readUint16BE(); - _imageRect.right = stream->readUint16BE(); - _imageRect.debugPrint(0, "PICT Rect:"); - - Graphics::Surface *image = new Graphics::Surface(); - image->create(_imageRect.width(), _imageRect.height(), _pixelFormat.bytesPerPixel); - - // NOTE: This is only a subset of the full PICT format. - // - Only V2 Images Supported - // - JPEG Chunks are Supported - // - DirectBitsRect Chunks are Supported - for (uint32 opNum = 0; !stream->eos() && !stream->err() && stream->pos() < stream->size(); opNum++) { - uint16 opcode = stream->readUint16BE(); - debug(2, "Found PICT opcode %04x", opcode); - - if (opNum == 0 && opcode != 0x0011) - error ("Cannot find PICT version opcode"); - else if (opNum == 1 && opcode != 0x0C00) - error ("Cannot find PICT header opcode"); - - if (opcode == 0x0000) { // Nop - stream->readUint16BE(); // Unknown - } else if (opcode == 0x0001) { // Clip - // Ignore - uint16 clipSize = stream->readUint16BE(); - stream->seek(clipSize - 2, SEEK_CUR); - } else if (opcode == 0x0007) { // PnSize - // Ignore - stream->readUint16BE(); - stream->readUint16BE(); - } else if (opcode == 0x0011) { // VersionOp - uint16 version = stream->readUint16BE(); - if (version != 0x02FF) - error ("Unknown PICT version"); - } else if (opcode == 0x001E) { // DefHilite - // Ignore, Contains no Data - } else if (opcode == 0x009A) { // DirectBitsRect - decodeDirectBitsRect(stream, image); - } else if (opcode == 0x00A1) { // LongComment - stream->readUint16BE(); - uint16 dataSize = stream->readUint16BE(); - stream->seek(dataSize, SEEK_CUR); - } else if (opcode == 0x00FF) { // OpEndPic - stream->readUint16BE(); - break; - } else if (opcode == 0x0C00) { // HeaderOp - /* 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 - } else if (opcode == 0x8200) { // CompressedQuickTime - decodeCompressedQuickTime(stream, image); - break; - } else { - error ("Unknown PICT opcode %04x", opcode); - } - } - - return image; -} - -struct DirectBitsRectData { - // PixMap - struct { - uint32 baseAddr; - uint16 rowBytes; - Common::Rect bounds; - uint16 pmVersion; - uint16 packType; - uint32 packSize; - uint32 hRes; - uint32 vRes; - uint16 pixelType; - uint16 pixelSize; - uint16 cmpCount; - uint16 cmpSize; - uint32 planeBytes; - uint32 pmTable; - uint32 pmReserved; - } pixMap; - Common::Rect srcRect; - Common::Rect dstRect; - uint16 mode; -}; - -void MystPICT::decodeDirectBitsRect(Common::SeekableReadStream *stream, Graphics::Surface *image) { - static const Graphics::PixelFormat directBitsFormat16 = Graphics::PixelFormat(2, 5, 5, 5, 0, 10, 5, 0, 0); - - DirectBitsRectData directBitsData; - directBitsData.pixMap.baseAddr = stream->readUint32BE(); - directBitsData.pixMap.rowBytes = stream->readUint16BE() & 0x3fff; - directBitsData.pixMap.bounds.top = stream->readUint16BE(); - directBitsData.pixMap.bounds.left = stream->readUint16BE(); - directBitsData.pixMap.bounds.bottom = stream->readUint16BE(); - directBitsData.pixMap.bounds.right = stream->readUint16BE(); - directBitsData.pixMap.pmVersion = stream->readUint16BE(); - directBitsData.pixMap.packType = stream->readUint16BE(); - directBitsData.pixMap.packSize = stream->readUint32BE(); - directBitsData.pixMap.hRes = stream->readUint32BE(); - directBitsData.pixMap.vRes = stream->readUint32BE(); - directBitsData.pixMap.pixelType = stream->readUint16BE(); - directBitsData.pixMap.pixelSize = stream->readUint16BE(); - directBitsData.pixMap.cmpCount = stream->readUint16BE(); - directBitsData.pixMap.cmpSize = stream->readUint16BE(); - directBitsData.pixMap.planeBytes = stream->readUint32BE(); - directBitsData.pixMap.pmTable = stream->readUint32BE(); - directBitsData.pixMap.pmReserved = stream->readUint32BE(); - directBitsData.srcRect.top = stream->readUint16BE(); - directBitsData.srcRect.left = stream->readUint16BE(); - directBitsData.srcRect.bottom = stream->readUint16BE(); - directBitsData.srcRect.right = stream->readUint16BE(); - directBitsData.dstRect.top = stream->readUint16BE(); - directBitsData.dstRect.left = stream->readUint16BE(); - directBitsData.dstRect.bottom = stream->readUint16BE(); - directBitsData.dstRect.right = stream->readUint16BE(); - directBitsData.mode = stream->readUint16BE(); - - if (directBitsData.pixMap.pixelSize != 16 && directBitsData.pixMap.pixelSize != 32) - error("Unhandled directBitsRect bitsPerPixel %d", directBitsData.pixMap.pixelSize); - - byte bytesPerPixel = (directBitsData.pixMap.pixelSize == 16) ? 2 : 3; - byte *buffer = new byte[image->w * image->h * bytesPerPixel]; - - // Read in amount of data per row - for (uint16 i = 0; i < directBitsData.pixMap.bounds.height(); i++) { - if (directBitsData.pixMap.packType == 1 || directBitsData.pixMap.rowBytes < 8) { // Unpacked, Pad-Byte - error("Pack Type = %d, Row Bytes = %d", directBitsData.pixMap.packType, directBitsData.pixMap.rowBytes); - // TODO - } else if (directBitsData.pixMap.packType == 2) { // Unpacked, No Pad-Byte - error("Pack Type = 2"); - // TODO - } else if (directBitsData.pixMap.packType > 2) { // Packed - uint16 byteCount = (directBitsData.pixMap.rowBytes > 250) ? stream->readUint16BE() : stream->readByte(); - decodeDirectBitsLine(buffer + i * image->w * bytesPerPixel, directBitsData.pixMap.rowBytes, stream->readStream(byteCount), bytesPerPixel); - } - } - - if (bytesPerPixel == 2) { - // Convert from 16-bit to whatever surface we need - for (uint16 y = 0; y < image->h; y++) { - for (uint16 x = 0; x < image->w; x++) { - byte r = 0, g = 0, b = 0; - uint32 color = READ_BE_UINT16(buffer + (y * image->w + x) * bytesPerPixel); - directBitsFormat16.colorToRGB(color, r, g, b); - *((uint16 *)image->getBasePtr(x, y)) = _pixelFormat.RGBToColor(r, g, b); - } - } - } else { - // Convert from 24-bit (planar!) to whatever surface we need - for (uint16 y = 0; y < image->h; y++) { - for (uint16 x = 0; x < image->w; x++) { - byte r = *(buffer + y * image->w * 3 + x); - byte g = *(buffer + y * image->w * 3 + image->w + x); - byte b = *(buffer + y * image->w * 3 + image->w * 2 + x); - *((uint16 *)image->getBasePtr(x, y)) = _pixelFormat.RGBToColor(r, g, b); - } - } - } - - delete[] buffer; -} - -void MystPICT::decodeDirectBitsLine(byte *out, uint32 length, Common::SeekableReadStream *data, 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_BE_UINT16(out, value); - out += 2; - } else - *out++ = value; - } - dataDecoded += runSize * bytesPerDecode; - } else { - uint32 runSize = (op + 1) * bytesPerDecode; - for (uint32 i = 0; i < runSize; i++) - *out++ = data->readByte(); - dataDecoded += runSize; - } - } - - // HACK: rowBytes is in 32-bit, but the data is 24-bit... - if (bytesPerPixel == 3) - dataDecoded += length / 4; - - if (length != dataDecoded) - warning("Mismatched DirectBits read (%d/%d)", dataDecoded, length); - - delete data; -} - -// Compressed QuickTime details can be found here: -// http://developer.apple.com/documentation/QuickTime/Rm/CompressDecompress/ImageComprMgr/B-Chapter/2TheImageCompression.html -// http://developer.apple.com/documentation/QuickTime/Rm/CompressDecompress/ImageComprMgr/F-Chapter/6WorkingwiththeImage.html -// I'm just ignoring that because Myst ME uses none of that extra stuff. The offset is always the same. - -void MystPICT::decodeCompressedQuickTime(Common::SeekableReadStream *stream, Graphics::Surface *image) { - uint32 dataSize = stream->readUint32BE(); - uint32 startPos = stream->pos(); - - Graphics::Surface *jpegImage = _jpegDecoder->decodeImage(new Common::SeekableSubReadStream(stream, stream->pos() + 156, stream->pos() + dataSize)); - stream->seek(startPos + dataSize); - - image->copyFrom(*jpegImage); -} - -} // End of namespace Mohawk diff --git a/engines/mohawk/myst_pict.h b/engines/mohawk/myst_pict.h deleted file mode 100644 index 90c06deee0..0000000000 --- a/engines/mohawk/myst_pict.h +++ /dev/null @@ -1,57 +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. - * - * $URL$ - * $Id$ - * - */ - -#ifndef MYST_PICT_H -#define MYST_PICT_H - -#include "common/rect.h" -#include "common/scummsys.h" -#include "common/stream.h" -#include "graphics/pixelformat.h" -#include "graphics/surface.h" - -#include "graphics/video/codecs/mjpeg.h" - -namespace Mohawk { - -class MystPICT { -public: - MystPICT(Graphics::JPEGDecoder *jpegDecoder); - ~MystPICT() {} - Graphics::Surface *decodeImage(Common::SeekableReadStream *stream); - -private: - Graphics::JPEGDecoder *_jpegDecoder; - Common::Rect _imageRect; - Graphics::PixelFormat _pixelFormat; - - void decodeDirectBitsRect(Common::SeekableReadStream *stream, Graphics::Surface *image); - void decodeDirectBitsLine(byte *out, uint32 length, Common::SeekableReadStream *data, byte bytesPerPixel); - void decodeCompressedQuickTime(Common::SeekableReadStream *stream, Graphics::Surface *image); -}; - -} // End of namespace Mohawk - -#endif diff --git a/graphics/module.mk b/graphics/module.mk index c7f5771420..75e3919370 100644 --- a/graphics/module.mk +++ b/graphics/module.mk @@ -13,6 +13,7 @@ MODULE_OBJS := \ iff.o \ imagedec.o \ jpeg.o \ + pict.o \ primitives.o \ scaler.o \ scaler/thumbnail_intern.o \ diff --git a/graphics/pict.cpp b/graphics/pict.cpp new file mode 100644 index 0000000000..f0dd7bbc6f --- /dev/null +++ b/graphics/pict.cpp @@ -0,0 +1,333 @@ +/* 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. + * + * $URL$ + * $Id$ + * + */ + +#include "common/stream.h" + +#include "graphics/conversion.h" +#include "graphics/jpeg.h" +#include "graphics/pict.h" +#include "graphics/surface.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(PixelFormat pixelFormat) { + _jpeg = new JPEG(); + _pixelFormat = pixelFormat; +} + +PictDecoder::~PictDecoder() { + delete _jpeg; +} + +Surface *PictDecoder::decodeImage(Common::SeekableReadStream *stream, byte *palette) { + assert(stream); + + 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:"); + + Graphics::Surface *image = new Graphics::Surface(); + image->create(_imageRect.width(), _imageRect.height(), _pixelFormat.bytesPerPixel); + _isPaletted = false; + + // NOTE: This is only a subset of the full PICT format. + // - Only V2 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(); opNum++) { + uint16 opcode = stream->readUint16BE(); + debug(2, "Found PICT opcode %04x", opcode); + + if (opNum == 0 && opcode != 0x0011) + error ("Cannot find PICT version opcode"); + else if (opNum == 1 && opcode != 0x0C00) + error ("Cannot find PICT header opcode"); + + if (opcode == 0x0000) { // Nop + stream->readUint16BE(); // Unknown + } else if (opcode == 0x0001) { // Clip + // Ignore + uint16 clipSize = stream->readUint16BE(); + stream->seek(clipSize - 2, SEEK_CUR); + } else if (opcode == 0x0007) { // PnSize + // Ignore + stream->readUint16BE(); + stream->readUint16BE(); + } else if (opcode == 0x0011) { // VersionOp + uint16 version = stream->readUint16BE(); + if (version != 0x02FF) + error ("Unknown PICT version"); + } else if (opcode == 0x001E) { // DefHilite + // Ignore, Contains no Data + } else if (opcode == 0x0098) { // PackBitsRect + decodeDirectBitsRect(stream, image, true); + _isPaletted = true; + } else if (opcode == 0x009A) { // DirectBitsRect + decodeDirectBitsRect(stream, image, false); + } else if (opcode == 0x00A1) { // LongComment + stream->readUint16BE(); + uint16 dataSize = stream->readUint16BE(); + stream->seek(dataSize, SEEK_CUR); + } else if (opcode == 0x00FF) { // OpEndPic + stream->readUint16BE(); + break; + } else if (opcode == 0x0C00) { // HeaderOp + /* 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 + } else if (opcode == 0x8200) { // CompressedQuickTime + decodeCompressedQuickTime(stream, image); + break; + } else { + warning("Unknown PICT opcode %04x", opcode); + } + } + + // If we got a palette throughout this nonsense, go and grab it + if (palette && _isPaletted) + memcpy(palette, _palette, 256 * 4); + + return image; +} + +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 DirectBitsRectData { + PictDecoder::PixMap pixMap; + Common::Rect srcRect; + Common::Rect dstRect; + uint16 mode; +}; + +void PictDecoder::decodeDirectBitsRect(Common::SeekableReadStream *stream, Surface *image, bool hasPalette) { + static const PixelFormat directBitsFormat16 = PixelFormat(2, 5, 5, 5, 0, 10, 5, 0, 0); + + // Clear the palette + memset(_palette, 0, sizeof(_palette)); + + DirectBitsRectData directBitsData; + directBitsData.pixMap = readPixMap(stream, !hasPalette); + + // Read in the palette if there is one present + if (hasPalette) { + // See http://developer.apple.com/legacy/mac/library/documentation/mac/QuickDraw/QuickDraw-267.html + stream->readUint32BE(); // seed + stream->readUint16BE(); // flags + uint16 colorCount = stream->readUint16BE() + 1; + + for (uint32 i = 0; i < colorCount; i++) { + stream->readUint16BE(); + _palette[i * 4] = stream->readUint16BE() >> 8; + _palette[i * 4 + 1] = stream->readUint16BE() >> 8; + _palette[i * 4 + 2] = stream->readUint16BE() >> 8; + } + } + + directBitsData.srcRect.top = stream->readUint16BE(); + directBitsData.srcRect.left = stream->readUint16BE(); + directBitsData.srcRect.bottom = stream->readUint16BE(); + directBitsData.srcRect.right = stream->readUint16BE(); + directBitsData.dstRect.top = stream->readUint16BE(); + directBitsData.dstRect.left = stream->readUint16BE(); + directBitsData.dstRect.bottom = stream->readUint16BE(); + directBitsData.dstRect.right = stream->readUint16BE(); + directBitsData.mode = stream->readUint16BE(); + + if (directBitsData.pixMap.pixelSize != 8 && directBitsData.pixMap.pixelSize != 16 && directBitsData.pixMap.pixelSize != 32) + error("Unhandled DirectBitsRect bitsPerPixel %d", directBitsData.pixMap.pixelSize); + + byte bytesPerPixel = (directBitsData.pixMap.pixelSize == 32) ? 3 : directBitsData.pixMap.pixelSize / 8; + byte *buffer = new byte[image->w * image->h * bytesPerPixel]; + + // Read in amount of data per row + for (uint16 i = 0; i < directBitsData.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 (directBitsData.pixMap.packType == 1 || directBitsData.pixMap.rowBytes < 8) { // Unpacked, Pad-Byte (on 24-bit) + // TODO: Finish this. Hasn't been needed (yet). + error("Unpacked DirectBitsRect data (padded)"); + } else if (directBitsData.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 (directBitsData.pixMap.packType == 0 || directBitsData.pixMap.packType > 2) { // Packed + uint16 byteCount = (directBitsData.pixMap.rowBytes > 250) ? stream->readUint16BE() : stream->readByte(); + decodeDirectBitsLine(buffer + i * image->w * bytesPerPixel, directBitsData.pixMap.rowBytes, stream->readStream(byteCount), bytesPerPixel); + } + } + + if (bytesPerPixel == 1) { + // Just copy to the image + memcpy(image->pixels, buffer, image->w * image->h); + } else if (bytesPerPixel == 2) { + // Convert from 16-bit to whatever surface we need + for (uint16 y = 0; y < image->h; y++) { + for (uint16 x = 0; x < image->w; x++) { + byte r = 0, g = 0, b = 0; + uint32 color = READ_BE_UINT16(buffer + (y * image->w + x) * bytesPerPixel); + directBitsFormat16.colorToRGB(color, r, g, b); + if (_pixelFormat.bytesPerPixel == 2) + *((uint16 *)image->getBasePtr(x, y)) = _pixelFormat.RGBToColor(r, g, b); + else + *((uint32 *)image->getBasePtr(x, y)) = _pixelFormat.RGBToColor(r, g, b); + } + } + } else { + // Convert from 24-bit (planar!) to whatever surface we need + for (uint16 y = 0; y < image->h; y++) { + for (uint16 x = 0; x < image->w; x++) { + byte r = *(buffer + y * image->w * 3 + x); + byte g = *(buffer + y * image->w * 3 + image->w + x); + byte b = *(buffer + y * image->w * 3 + image->w * 2 + x); + if (_pixelFormat.bytesPerPixel == 2) + *((uint16 *)image->getBasePtr(x, y)) = _pixelFormat.RGBToColor(r, g, b); + else + *((uint32 *)image->getBasePtr(x, y)) = _pixelFormat.RGBToColor(r, g, b); + } + } + } + + delete[] buffer; +} + +void PictDecoder::decodeDirectBitsLine(byte *out, uint32 length, Common::SeekableReadStream *data, 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_BE_UINT16(out, value); + out += 2; + } else + *out++ = value; + } + dataDecoded += runSize * bytesPerDecode; + } else { + uint32 runSize = (op + 1) * bytesPerDecode; + for (uint32 i = 0; i < runSize; i++) + *out++ = data->readByte(); + dataDecoded += runSize; + } + } + + // HACK: rowBytes is in 32-bit, but the data is 24-bit... + if (bytesPerPixel == 3) + dataDecoded += length / 4; + + if (length != dataDecoded) + warning("Mismatched DirectBits read (%d/%d)", dataDecoded, length); + + delete data; +} + +// Compressed QuickTime details can be found here: +// http://developer.apple.com/documentation/QuickTime/Rm/CompressDecompress/ImageComprMgr/B-Chapter/2TheImageCompression.html +// http://developer.apple.com/documentation/QuickTime/Rm/CompressDecompress/ImageComprMgr/F-Chapter/6WorkingwiththeImage.html +// I'm just ignoring that because Myst ME uses none of that extra stuff. The offset is always the same. + +void PictDecoder::decodeCompressedQuickTime(Common::SeekableReadStream *stream, Graphics::Surface *image) { + uint32 dataSize = stream->readUint32BE(); + uint32 startPos = stream->pos(); + + Common::SeekableReadStream *jpegStream = new Common::SeekableSubReadStream(stream, stream->pos() + 156, stream->pos() + dataSize); + + if (!_jpeg->read(jpegStream)) + error("PictDecoder::decodeCompressedQuickTime(): Could not decode JPEG data"); + + Surface *yComponent = _jpeg->getComponent(1); + Surface *uComponent = _jpeg->getComponent(2); + Surface *vComponent = _jpeg->getComponent(3); + + Surface jpegImage; + jpegImage.create(yComponent->w, yComponent->h, _pixelFormat.bytesPerPixel); + + for (uint16 i = 0; i < jpegImage.h; i++) { + for (uint16 j = 0; j < jpegImage.w; j++) { + byte r = 0, g = 0, b = 0; + YUV2RGB(*((byte *)yComponent->getBasePtr(j, i)), *((byte *)uComponent->getBasePtr(j, i)), *((byte *)vComponent->getBasePtr(j, i)), r, g, b); + if (_pixelFormat.bytesPerPixel == 2) + *((uint16 *)jpegImage.getBasePtr(j, i)) = _pixelFormat.RGBToColor(r, g, b); + else + *((uint32 *)jpegImage.getBasePtr(j, i)) = _pixelFormat.RGBToColor(r, g, b); + } + } + + image->copyFrom(jpegImage); + stream->seek(startPos + dataSize); + jpegImage.free(); + delete jpegStream; +} + +} // End of namespace Graphics diff --git a/graphics/pict.h b/graphics/pict.h new file mode 100644 index 0000000000..14fea30125 --- /dev/null +++ b/graphics/pict.h @@ -0,0 +1,83 @@ +/* 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. + * + * $URL$ + * $Id$ + * + */ + +#ifndef GRAPHICS_PICT_H +#define GRAPHICS_PICT_H + +#include "common/rect.h" +#include "common/scummsys.h" + +#include "graphics/pixelformat.h" + +namespace Common { + class SeekableReadStream; +} + +namespace Graphics { + +class JPEG; +class Surface; + +class PictDecoder { +public: + PictDecoder(Graphics::PixelFormat pixelFormat); + ~PictDecoder(); + Surface *decodeImage(Common::SeekableReadStream *stream, byte *palette = 0); + + struct PixMap { + uint32 baseAddr; + uint16 rowBytes; + Common::Rect bounds; + uint16 pmVersion; + uint16 packType; + uint32 packSize; + uint32 hRes; + uint32 vRes; + uint16 pixelType; + uint16 pixelSize; + uint16 cmpCount; + uint16 cmpSize; + uint32 planeBytes; + uint32 pmTable; + uint32 pmReserved; + }; + + static PixMap readPixMap(Common::SeekableReadStream *stream, bool hasBaseAddr = true); + +private: + Common::Rect _imageRect; + PixelFormat _pixelFormat; + JPEG *_jpeg; + byte _palette[256 * 4]; + bool _isPaletted; + + void decodeDirectBitsRect(Common::SeekableReadStream *stream, Surface *image, bool hasPalette); + void decodeDirectBitsLine(byte *out, uint32 length, Common::SeekableReadStream *data, byte bytesPerPixel); + void decodeCompressedQuickTime(Common::SeekableReadStream *stream, Surface *image); +}; + +} // End of namespace Graphics + +#endif -- cgit v1.2.3