diff options
Diffstat (limited to 'graphics/video/codecs/cdtoons.cpp')
| -rw-r--r-- | graphics/video/codecs/cdtoons.cpp | 450 |
1 files changed, 0 insertions, 450 deletions
diff --git a/graphics/video/codecs/cdtoons.cpp b/graphics/video/codecs/cdtoons.cpp deleted file mode 100644 index c3d00d8702..0000000000 --- a/graphics/video/codecs/cdtoons.cpp +++ /dev/null @@ -1,450 +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 "graphics/video/codecs/cdtoons.h" -#include "common/stream.h" - -#include "common/system.h" - -namespace Graphics { - -struct CDToonsAction { - uint16 blockId; - Common::Rect rect; -}; - -struct CDToonsDiff { - byte *data; - uint32 size; - Common::Rect rect; -}; - -static Common::Rect readRect(Common::SeekableReadStream *stream) { - Common::Rect rect; - rect.top = stream->readUint16BE(); - rect.left = stream->readUint16BE(); - rect.bottom = stream->readUint16BE(); - rect.right = stream->readUint16BE(); - return rect; -} - -CDToonsDecoder::CDToonsDecoder(uint16 width, uint16 height) { - debugN(5, "CDToons: width %d, height %d\n", width, height); - - _surface = new Graphics::Surface(); - _surface->create(width, height, 1); - - _currentPaletteId = 0; - memset(_palette, 0, 256 * 3); - _dirtyPalette = false; -} - -CDToonsDecoder::~CDToonsDecoder() { - _surface->free(); - delete _surface; - - for (Common::HashMap<uint16, CDToonsBlock>::iterator i = _blocks.begin(); i != _blocks.end(); i++) - delete[] i->_value.data; -} - -Graphics::Surface *CDToonsDecoder::decodeImage(Common::SeekableReadStream *stream) { - uint16 u0 = stream->readUint16BE(); // always 9? - uint16 frameId = stream->readUint16BE(); - uint16 blocksValidUntil = stream->readUint16BE(); - byte u6 = stream->readByte(); - byte backgroundColor = stream->readByte(); - debugN(5, "CDToons frame %d, size %d, unknown %04x (at 0), blocks valid until %d, unknown 6 is %02x, bkg colour is %02x\n", - frameId, stream->size(), u0, blocksValidUntil, u6, backgroundColor); - - Common::Rect clipRect = readRect(stream); - debugN(9, "CDToons clipRect: (%d, %d) to (%d, %d)\n", - clipRect.left, clipRect.top, clipRect.right, clipRect.bottom); - - Common::Rect dirtyRect = readRect(stream); - debugN(9, "CDToons dirtyRect: (%d, %d) to (%d, %d)\n", - dirtyRect.left, dirtyRect.top, dirtyRect.right, dirtyRect.bottom); - - uint32 flags = stream->readUint32BE(); - if (flags & 0x80) - error("CDToons: frame already processed?"); - debugN(5, "CDToons flags: %08x\n", flags); - - uint16 blockCount = stream->readUint16BE(); - uint16 blockOffset = stream->readUint16BE(); - debugN(9, "CDToons: %d blocks at 0x%04x\n", - blockCount, blockOffset); - - // max block id? - uint16 u32 = stream->readUint16BE(); - debugN(5, "CDToons unknown at 32: %04x\n", u32); - - byte actionCount = stream->readByte(); - byte u35 = stream->readByte(); - - uint16 paletteId = stream->readUint16BE(); - byte paletteSet = stream->readByte(); - debugN(9, "CDToons palette id %04x, palette byte %02x\n", - paletteId, paletteSet); - - byte u39 = stream->readByte(); - uint16 u40 = stream->readUint16BE(); - uint16 u42 = stream->readUint16BE(); - debugN(5, "CDToons: unknown at 35 is %02x, unknowns at 39: %02x, %04x, %04x\n", - u35, u39, u40, u42); - - Common::Array<CDToonsAction> actions; - - for (uint i = 0; i < actionCount; i++) { - CDToonsAction action; - action.blockId = stream->readUint16BE(); - action.rect = readRect(stream); - debugN(9, "CDToons action: render block %d at (%d, %d) to (%d, %d)\n", - action.blockId, action.rect.left, action.rect.top, action.rect.right, action.rect.bottom); - actions.push_back(action); - } - - if (stream->pos() > blockOffset) - error("CDToons header ended at 0x%08x, but blocks should have started at 0x%08x", - stream->pos(), blockOffset); - - if (stream->pos() != blockOffset) - error("CDToons had %d unknown bytes after header", blockOffset - stream->pos()); - - for (uint i = 0; i < blockCount; i++) { - uint16 blockId = stream->readUint16BE(); - if (blockId >= 1200) - error("CDToons: block id %d was too high", blockId); - if (_blocks.contains(blockId)) - error("CDToons: new block %d was already seen", blockId); - - CDToonsBlock block; - block.flags = stream->readUint16BE(); - // flag 1 = palette, flag 2 = data? - if (block.flags & 0x8000) - error("CDToons: block already processed?"); - block.size = stream->readUint32BE(); - if (block.size < 14) - error("CDToons: block size was %d, too small", block.size); - block.size -= 14; - block.startFrame = stream->readUint16BE(); - block.endFrame = stream->readUint16BE(); - block.unknown12 = stream->readUint16BE(); - block.data = new byte[block.size]; - stream->read(block.data, block.size); - - debugN(9, "CDToons block id 0x%04x of size 0x%08x, flags %04x, from frame %d to %d, unknown at 12 is %04x\n", - blockId, block.size, block.flags, block.startFrame, block.endFrame, block.unknown12); - - _blocks[blockId] = block; - } - - byte xFrmBegin = 0, xFrmCount; - Common::Array<CDToonsDiff> diffs; - - while (true) { - int32 nextPos = stream->pos(); - uint32 tag = stream->readUint32BE(); - uint32 size = stream->readUint32BE(); - nextPos += size; - - switch (tag) { - case MKID_BE('Diff'): - { - debugN(5, "CDToons: Diff\n"); - uint16 count = stream->readUint16BE(); - - Common::Rect diffClipRect = readRect(stream); - debugN(9, "CDToons diffClipRect: (%d, %d) to (%d, %d)\n", - diffClipRect.left, diffClipRect.top, diffClipRect.right, diffClipRect.bottom); - - debugN(5, "CDToons Diff: %d subentries\n", count); - for (uint i = 0; i < count; i++) { - CDToonsDiff diff; - - diff.rect = readRect(stream); - diff.size = stream->readUint32BE(); - if (diff.size < 20) - error("CDToons: Diff block size was %d, too small", diff.size); - - uint16 diffWidth = stream->readUint16BE(); - uint16 diffHeight = stream->readUint16BE(); - uint16 unknown16 = stream->readUint16BE(); - uint16 unknown18 = stream->readUint16BE(); - diff.size -= 8; - - if (diffWidth != diff.rect.width() || diffHeight != diff.rect.height()) - error("CDToons: Diff sizes didn't match"); - debugN(5, "CDToons Diff: size %d, frame from (%d, %d) to (%d, %d), unknowns %04x, %04x\n", - diff.size, diff.rect.left, diff.rect.top, diff.rect.right, diff.rect.bottom, - unknown16, unknown18); - - diff.data = new byte[diff.size]; - stream->read(diff.data, diff.size); - diffs.push_back(diff); - } - } - break; - case MKID_BE('XFrm'): - { - debugN(5, "CDToons: XFrm\n"); - if (!(flags & 0x10)) - error("CDToons: useless XFrm?"); - - if (xFrmBegin) - error("CDToons: duplicate XFrm"); - xFrmBegin = stream->readByte(); - xFrmCount = stream->readByte(); - debugN(9, "CDToons XFrm: run %d actions from %d\n", xFrmCount, xFrmBegin - 1); - - // TODO: don't ignore (if xFrmCount is non-zero) - Common::Rect dirtyRectXFrm = readRect(stream); - debugN(9, "CDToons XFrm dirtyRect: (%d, %d) to (%d, %d)\n", - dirtyRectXFrm.left, dirtyRectXFrm.top, dirtyRectXFrm.right, dirtyRectXFrm.bottom); - - // always zero? - Common::Rect dirtyRect2XFrm = readRect(stream); - debugN(9, "CDToons XFrm dirtyRect2: (%d, %d) to (%d, %d)\n", - dirtyRect2XFrm.left, dirtyRect2XFrm.top, dirtyRect2XFrm.right, dirtyRect2XFrm.bottom); - } - break; - case MKID_BE('Mrks'): - debugN(5, "CDToons: Mrks\n"); - if (!(flags & 0x2)) - error("CDToons: useless Mrks?"); - - // TODO - warning("CDToons: encountered Mrks, not implemented yet"); - break; - case MKID_BE('Scal'): - // TODO - warning("CDToons: encountered Scal, not implemented yet"); - break; - case MKID_BE('WrMp'): - warning("CDToons: encountered WrMp, ignoring"); - break; - case MKID_BE('FrtR'): - { - debugN(5, "CDToons: FrtR\n"); - if (!(flags & 0x40)) - error("CDToons: useless FrtR?"); - - uint16 count = stream->readUint16BE(); - debugN(9, "CDToons FrtR: %d dirty rectangles\n", count); - for (uint i = 0; i < count; i++) { - Common::Rect dirtyRectFrtR = readRect(stream); - debugN(9, "CDToons FrtR dirtyRect: (%d, %d) to (%d, %d)\n", - dirtyRectFrtR.left, dirtyRectFrtR.top, dirtyRectFrtR.right, dirtyRectFrtR.bottom); - } - } - break; - case MKID_BE('BckR'): - { - debugN(5, "CDToons: BckR\n"); - if (!(flags & 0x20)) - error("CDToons: useless BckR?"); - - uint16 count = stream->readUint16BE(); - debugN(9, "CDToons BckR: %d subentries\n", count); - for (uint i = 0; i < count; i++) { - Common::Rect dirtyRectBckR = readRect(stream); - debugN(9, "CDToons BckR dirtyRect: (%d, %d) to (%d, %d)\n", - dirtyRectBckR.left, dirtyRectBckR.top, dirtyRectBckR.right, dirtyRectBckR.bottom); - } - } - break; - default: - warning("Unknown CDToons tag '%s'", tag2str(tag)); - } - - if (stream->pos() > nextPos) - error("CDToons ran off the end of a block while reading it (at %d, next block at %d)", - stream->pos(), nextPos); - if (stream->pos() != nextPos) { - warning("CDToons had %d unknown bytes after block", nextPos - stream->pos()); - stream->seek(nextPos); - } - - if (stream->pos() == stream->size()) - break; - } - - for (uint i = 0; i < diffs.size(); i++) { - renderBlock(diffs[i].data, diffs[i].size, diffs[i].rect.left, diffs[i].rect.top, diffs[i].rect.width(), diffs[i].rect.height()); - delete[] diffs[i].data; - } - if (!diffs.empty()) - return _surface; - - for (uint i = 0; i < actions.size(); i++) { - CDToonsAction &action = actions[i]; - if (i == 0 && action.blockId == 0) - memset(_surface->pixels, backgroundColor, _surface->w * _surface->h); - if (!_blocks.contains(action.blockId)) - continue; - if (!action.rect.right) - continue; - if (i == 0 && !diffs.empty()) - continue; - - CDToonsBlock &block = _blocks[action.blockId]; - uint16 width = READ_BE_UINT16(block.data + 2); - uint16 height = READ_BE_UINT16(block.data); - - renderBlock(block.data + 14, block.size - 14, action.rect.left, action.rect.top, width, height); - } - - if (paletteId && _currentPaletteId != paletteId) { - if (!_blocks.contains(paletteId)) - error("CDToons: no block for palette %04x", paletteId); - if (_blocks[paletteId].size != 2 * 3 * 256) - error("CDToons: palette %04x is wrong size (%d)", paletteId, _blocks[paletteId].size); - - _currentPaletteId = paletteId; - if (!paletteSet) - setPalette(_blocks[paletteId].data); - } - - return _surface; -} - -void CDToonsDecoder::renderBlock(byte *data, uint dataSize, int destX, int destY, uint width, uint height) { - byte *currData = data; - byte *dataEnd = data + dataSize; - - debugN(9, "CDToons renderBlock at (%d, %d), width %d, height %d\n", - destX, destY, width, height); - - if (destX + width > _surface->w) - width = _surface->w - destX; - if (destY + height > _surface->h) - height = _surface->h - destY; - - uint skip = 0; - if (destX < 0) { - skip = -destX; - if (width <= skip) - return; - width -= skip; - destX = 0; - } - - for (uint y = 0; y < height; y++) { - if (destY + (int)y >= _surface->h) - break; - - if (currData + 2 > dataEnd) - error("CDToons renderBlock overran whole data by %d bytes", (uint32)(currData - dataEnd)); - - uint16 lineSize = READ_BE_UINT16(currData); - currData += 2; - byte *nextLine = currData + lineSize; - - if (nextLine > dataEnd) - error("CDToons renderBlock was going to overrun data by %d bytes (line size %d)", - (uint32)(nextLine - dataEnd), (uint32)(nextLine - currData)); - - if (destY + (int)y < 0) { - currData = nextLine; - continue; - } - - byte *pixels = (byte *)_surface->getBasePtr(destX, destY + y); - - int leftToSkip = skip; - uint x = 0; - bool done = false; - while (x < width && !done) { - int size = (uint)*currData; - currData++; - bool raw = !(size & 0x80); - size = (size & 0x7f) + 1; - - if (leftToSkip) { - if (leftToSkip >= size) { - leftToSkip -= size; - if (raw) - currData += size; - else - currData++; - continue; - } else { - size -= leftToSkip; - if (raw) - currData += leftToSkip; - leftToSkip = 0; - } - } - - if (x + size >= width) { - size = width - x; - done = true; - } - if (destX + (int)x + size >= (int)_surface->w) { - size = MIN<int>((int)_surface->w - destX - (int)x, width - x); - done = true; - } - if (size <= 0) { - size = 0; - done = true; - } - - if (raw) { - memcpy(pixels + x, currData, size); - currData += size; - x += size; - } else { - byte color = *currData; - currData++; - if (color) { - memset(pixels + x, color, size); - } - x += size; - } - - if (currData > nextLine) { - warning("CDToons renderBlock overran line by %d bytes", (uint32)(currData - nextLine)); - return; - } - } - - currData = nextLine; - } -} - -void CDToonsDecoder::setPalette(byte *data) { - _dirtyPalette = true; - - // A lovely QuickTime palette - for (uint i = 0; i < 256; i++) { - _palette[i * 3] = *data; - _palette[i * 3 + 1] = *(data + 2); - _palette[i * 3 + 2] = *(data + 4); - data += 6; - } - - _palette[0] = _palette[1] = _palette[2] = 0; -} - -} // End of namespace Graphics |