mirror of
https://github.com/libretro/scummvm.git
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342 lines
8.8 KiB
C++
342 lines
8.8 KiB
C++
/* ScummVM - Graphic Adventure Engine
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*
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* ScummVM is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*
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*/
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#ifndef MTROPOLIS_ASSETS_H
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#define MTROPOLIS_ASSETS_H
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#include "mtropolis/data.h"
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#include "mtropolis/runtime.h"
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#include "mtropolis/render.h"
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namespace MTropolis {
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struct AssetLoaderContext;
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struct AudioMetadata;
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struct MToonMetadata;
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class AudioPlayer;
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class ColorTableAsset : public Asset {
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public:
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bool load(AssetLoaderContext &context, const Data::ColorTableAsset &data);
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AssetType getAssetType() const override;
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const ColorRGB8 *getColors() const;
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private:
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ColorRGB8 _colors[256];
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};
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class CachedAudio {
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public:
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CachedAudio();
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bool loadFromStream(const AudioMetadata &metadata, Common::ReadStream *stream, size_t size);
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const void *getData() const;
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size_t getSize() const;
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size_t getNumSamples(const AudioMetadata &metadata) const;
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private:
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Common::Array<uint8> _data;
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};
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struct MToonMetadata {
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enum ImageFormat {
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kImageFormatMac,
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kImageFormatWindows,
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};
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struct FrameDef {
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Common::Rect rect;
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uint32 dataOffset;
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uint32 compressedSize;
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uint32 decompressedSize;
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uint16 decompressedBytesPerRow;
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bool isKeyFrame;
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FrameDef();
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bool load(AssetLoaderContext &context, const Data::MToonAsset::FrameDef &data);
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};
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struct FrameRangeDef {
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uint32 startFrame;
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uint32 endFrame;
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Common::String name;
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FrameRangeDef();
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bool load(AssetLoaderContext &context, const Data::MToonAsset::FrameRangeDef &data);
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};
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MToonMetadata();
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ImageFormat imageFormat;
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Common::Rect rect;
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Common::Point registrationPoint;
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uint16 bitsPerPixel;
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uint32 codecID;
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uint32 encodingFlags;
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Common::Array<FrameDef> frames;
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Common::Array<FrameRangeDef> frameRanges;
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Common::Array<uint8> codecData;
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};
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class CachedMToon {
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public:
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CachedMToon();
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bool loadFromStream(const Common::SharedPtr<MToonMetadata> &metadata, Common::ReadStream *stream, size_t size, uint hackFlags);
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void optimize(Runtime *runtime);
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void getOrRenderFrame(uint32 prevFrame, uint32 targetFrame, Common::SharedPtr<Graphics::ManagedSurface> &surface) const;
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const Common::SharedPtr<MToonMetadata> &getMetadata() const;
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private:
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void optimizeNonTemporal(const Graphics::PixelFormat &targetFormat);
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void optimizeRLE(const Graphics::PixelFormat &targetFormat);
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struct RleFrame {
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RleFrame();
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uint32 version;
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uint32 width;
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uint32 height;
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bool isKeyframe;
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Common::Array<uint8> data8;
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Common::Array<uint16> data16;
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Common::Array<uint32> data32;
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};
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static const uint32 kMToonRLECodecID = 0x2e524c45;
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static const uint32 kMToonRLEKeyframePrefix = 0x524c4520;
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static const uint32 kMToonRLETemporalFramePrefix = 1;
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void decompressFrames(const Common::Array<uint8> &data);
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void decompressRLEFrameToImage(size_t frameIndex, Graphics::ManagedSurface &surface);
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void loadRLEFrames(const Common::Array<uint8> &data);
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void decompressRLEFrame(size_t frameIndex);
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void loadUncompressedFrame(const Common::Array<uint8> &data, size_t frameIndex);
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void decompressQuickTimeFrame(const Common::Array<uint8> &data, size_t frameIndex);
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template<class TSrcNumber, uint32 TSrcLiteralMask, uint32 TSrcTransparentSkipMask, class TDestNumber, uint32 TDestLiteralMask, uint32 TDestTransparentSkipMask>
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void rleReformat(RleFrame &frame, const Common::Array<TSrcNumber> &srcData, const Graphics::PixelFormat &srcFormatRef, Common::Array<TDestNumber> &destData, const Graphics::PixelFormat &destFormatRef, uint hackFlags);
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template<class TNumber, uint32 TLiteralMask, uint32 TTransparentRowSkipMask>
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static bool decompressMToonRLE(const RleFrame &frame, const Common::Array<TNumber> &coefsArray, Graphics::ManagedSurface &surface, bool isBottomUp, bool isKeyFrame, uint hackFlags);
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template<class TDest, class TSrc>
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static void checkedMemCpy(Common::Array<TDest> &dest, size_t destIndex, const Common::Array<TSrc> &src, size_t srcIndex, size_t sizeBytes);
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Common::Array<RleFrame> _rleData;
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bool _isRLETemporalCompressed;
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Common::Array<Common::SharedPtr<Graphics::ManagedSurface> > _decompressedFrames;
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Common::Array<Common::SharedPtr<Graphics::ManagedSurface> > _optimizedFrames;
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Graphics::PixelFormat _rleInternalFormat;
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Graphics::PixelFormat _rleOptimizedFormat;
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Common::SharedPtr<MToonMetadata> _metadata;
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uint _hackFlags;
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};
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struct AudioMetadata {
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struct CuePoint {
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uint32 position;
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uint32 cuePointID;
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};
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enum Encoding {
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kEncodingUncompressed,
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kEncodingMace3,
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kEncodingMace6,
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};
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AudioMetadata();
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Encoding encoding;
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uint32 durationMSec;
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uint16 sampleRate;
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uint8 channels;
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uint8 bitsPerSample;
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bool isBigEndian;
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Common::Array<CuePoint> cuePoints;
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};
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class AudioAsset : public Asset {
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public:
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bool load(AssetLoaderContext &context, const Data::AudioAsset &data);
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AssetType getAssetType() const override;
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size_t getStreamIndex() const;
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const Common::SharedPtr<AudioMetadata> &getMetadata() const;
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const Common::SharedPtr<CachedAudio> &loadAndCacheAudio(Runtime *runtime);
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private:
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uint32 _filePosition;
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uint32 _size;
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size_t _streamIndex;
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Common::SharedPtr<CachedAudio> _audioCache;
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Common::SharedPtr<AudioMetadata> _metadata;
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};
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class MovieAsset : public Asset {
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public:
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bool load(AssetLoaderContext &context, const Data::MovieAsset &data);
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AssetType getAssetType() const override;
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uint32 getMovieDataPos() const;
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uint32 getMoovAtomPos() const;
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uint32 getMovieDataSize() const;
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const Common::String &getExtFileName() const;
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size_t getStreamIndex() const;
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void addDamagedFrame(int frame);
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const Common::Array<int> &getDamagedFrames() const;
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private:
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uint32 _movieDataPos;
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uint32 _moovAtomPos;
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uint32 _movieDataSize;
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Common::String _extFileName;
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size_t _streamIndex;
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Common::Array<int> _damagedFrames;
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};
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class AVIMovieAsset : public Asset {
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public:
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bool load(AssetLoaderContext &context, const Data::AVIMovieAsset &data);
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AssetType getAssetType() const override;
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const Common::String &getExtFileName() const;
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private:
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Common::String _extFileName;
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};
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class CachedImage {
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public:
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CachedImage();
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const Common::SharedPtr<Graphics::ManagedSurface> &optimize(Runtime *runtime);
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void resetSurface(ColorDepthMode colorDepth, const Common::SharedPtr<Graphics::ManagedSurface> &surface);
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ColorDepthMode getOriginalColorDepth() const;
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private:
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Common::SharedPtr<Graphics::ManagedSurface> _surface;
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Common::SharedPtr<Graphics::ManagedSurface> _optimizedSurface;
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ColorDepthMode _colorDepth;
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};
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class ImageAsset : public Asset {
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public:
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ImageAsset();
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~ImageAsset();
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bool load(AssetLoaderContext &context, const Data::ImageAsset &data);
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AssetType getAssetType() const override;
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enum ImageFormat {
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kImageFormatMac,
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kImageFormatWindows,
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};
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const Common::Rect &getRect() const;
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ColorDepthMode getColorDepth() const;
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uint32 getFilePosition() const;
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uint32 getSize() const;
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size_t getStreamIndex() const;
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ImageFormat getImageFormat() const;
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const Common::SharedPtr<CachedImage> &loadAndCacheImage(Runtime *runtime);
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private:
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Common::Rect _rect;
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ColorDepthMode _colorDepth;
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uint32 _filePosition;
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uint32 _size;
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size_t _streamIndex;
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ImageFormat _imageFormat;
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Common::SharedPtr<CachedImage> _imageCache;
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};
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struct MToonAsset : public Asset {
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public:
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MToonAsset();
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bool load(AssetLoaderContext &context, const Data::MToonAsset &data);
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AssetType getAssetType() const override;
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const Common::SharedPtr<CachedMToon> &loadAndCacheMToon(Runtime *runtime, uint hackFlags);
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private:
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uint32 _frameDataPosition;
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uint32 _sizeOfFrameData;
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size_t _streamIndex;
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Common::SharedPtr<MToonMetadata> _metadata;
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Common::SharedPtr<CachedMToon> _cachedMToon;
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};
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class TextAsset : public Asset {
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public:
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TextAsset();
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bool load(AssetLoaderContext &context, const Data::TextAsset &data);
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AssetType getAssetType() const override;
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bool isBitmap() const;
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const Common::SharedPtr<Graphics::ManagedSurface> &getBitmapSurface() const;
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const Common::String &getString() const;
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const Common::Array<MacFormattingSpan> &getMacFormattingSpans() const;
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private:
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Common::Rect _bitmapRect;
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TextAlignment _alignment;
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bool _isBitmap;
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Common::SharedPtr<Graphics::ManagedSurface> _bitmapData;
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Common::String _stringData;
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Common::Array<MacFormattingSpan> _macFormattingSpans;
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};
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} // End of namespace MTropolis
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#endif
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