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https://github.com/libretro/scummvm.git
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213 lines
5.3 KiB
C++
213 lines
5.3 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
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (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, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef SHERLOCK_IMAGE_FILE_H
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#define SHERLOCK_IMAGE_FILE_H
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#include "common/array.h"
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#include "common/file.h"
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#include "common/hashmap.h"
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#include "common/hash-str.h"
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#include "common/rect.h"
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#include "common/str.h"
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#include "common/stream.h"
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#include "graphics/surface.h"
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namespace Sherlock {
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class SherlockEngine;
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struct ImageFrame {
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uint32 _size;
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uint16 _width, _height;
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int _paletteBase;
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bool _rleEncoded;
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Common::Point _offset;
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byte _rleMarker;
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Graphics::Surface _frame;
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/**
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* Converts an ImageFrame record to a surface for convenience in passing to drawing methods
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*/
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operator const Graphics::Surface &() { return _frame; }
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/**
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* Decompress a single frame for the sprite
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*/
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void decompressFrame(const byte *src, bool isRoseTattoo);
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/**
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* Return the frame width adjusted by a specified scale amount
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*/
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int sDrawXSize(int scaleVal) const;
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/**
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* Return the frame height adjusted by a specified scale amount
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*/
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int sDrawYSize(int scaleVal) const;
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/**
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* Return the frame offset x adjusted by a specified scale amount
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*/
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int sDrawXOffset(int scaleVal) const;
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/**
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* Return the frame offset y adjusted by a specified scale amount
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*/
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int sDrawYOffset(int scaleVal) const;
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};
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class ImageFile : public Common::Array<ImageFrame> {
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private:
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static SherlockEngine *_vm;
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/**
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* Load the data of the sprite
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*/
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void load(Common::SeekableReadStream &stream, bool skipPalette, bool animImages);
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/**
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* Gets the palette at the start of the sprite file
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*/
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void loadPalette(Common::SeekableReadStream &stream);
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public:
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byte _palette[256 * 3];
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public:
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ImageFile();
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ImageFile(const Common::String &name, bool skipPal = false, bool animImages = false);
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ImageFile(Common::SeekableReadStream &stream, bool skipPal = false);
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virtual ~ImageFile();
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static void setVm(SherlockEngine *vm);
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};
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enum ImageFile3DOType {
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kImageFile3DOType_Animation = 0,
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kImageFile3DOType_Cel = 1,
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kImageFile3DOType_CelAnimation = 2,
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kImageFile3DOType_RoomFormat = 3,
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kImageFile3DOType_Font = 4
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};
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struct ImageFile3DOPixelLookupTable {
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uint16 pixelColor[256];
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};
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class ImageFile3DO : public ImageFile { // Common::Array<ImageFrame> {
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private:
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static SherlockEngine *_vm;
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/**
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* Load the data of the sprite
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*/
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void load(Common::SeekableReadStream &stream, bool isRoomData);
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/**
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* convert pixel RGB values from RGB555 to RGB565
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*/
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inline uint16 convertPixel(uint16 pixel3DO);
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/**
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* Load 3DO cel file
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*/
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void load3DOCelFile(Common::SeekableReadStream &stream);
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/**
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* Load 3DO cel data (room file format)
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*/
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void load3DOCelRoomData(Common::SeekableReadStream &stream);
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inline uint16 celGetBits(const byte *&dataPtr, byte bitCount, byte &dataBitsLeft);
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/**
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* Decompress a single frame of a 3DO cel file
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*/
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void decompress3DOCelFrame(ImageFrame &frame, const byte *dataPtr, uint32 dataSize, byte bitsPerPixel, ImageFile3DOPixelLookupTable *pixelLookupTable);
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/**
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* Load animation graphics file
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*/
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void loadAnimationFile(Common::SeekableReadStream &stream);
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/**
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* Load Sherlock Holmes 3DO font file
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*/
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void loadFont(Common::SeekableReadStream &stream);
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public:
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ImageFile3DO(const Common::String &name, ImageFile3DOType imageFile3DOType);
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ImageFile3DO(Common::SeekableReadStream &stream, bool isRoomData = false);
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static void setVm(SherlockEngine *vm);
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};
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#define STREAMING_BUFFER_SIZE 65536
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class StreamingImageFile {
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private:
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int _frameNumber;
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Common::SeekableReadStream *_stream;
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byte _buffer[STREAMING_BUFFER_SIZE];
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bool _compressed;
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bool _active;
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public:
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ImageFrame _imageFrame;
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Common::Point _position; // Animation position
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Common::Rect _oldBounds; // Bounds of previous frame
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Common::Rect _removeBounds; // Remove area for just drawn frame
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int _flags; // Flags
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int _scaleVal; // Specifies the scale amount
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int _zPlacement; // Used by doBgAnim for determining Z order
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public:
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StreamingImageFile();
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~StreamingImageFile();
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/**
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* Initialize reading of the specified stream
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*/
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void load(Common::SeekableReadStream *stream, bool compressed);
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/**
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* Close the streamining image file
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*/
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void close();
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/**
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* Get the next frame of the file
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*/
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bool getNextFrame();
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/**
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* Returns whether there are any remaining frames or not
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*/
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bool active() const { return _active; }
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/**
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* Return the current frame number
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*/
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int frameNumber() const { return _frameNumber; }
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};
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} // End of namespace Sherlock
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#endif
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