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/* 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.
*
*/
#ifndef MACVENTURE_IMAGE_H
#define MACVENTURE_IMAGE_H
#include "macventure/macventure.h"
#include "macventure/container.h"
namespace MacVenture {
typedef uint32 ObjID;
class Container;
enum BlitMode {
kBlitDirect = 0,
kBlitBIC = 1,
kBlitOR = 2,
kBlitXOR = 3
//kBlitNONE = 4,
};
enum GraphicsEncoding {
kPPIC0 = 0,
kPPIC1 = 1,
kPPIC2 = 2,
kPPIC3 = 3
};
struct PPICHuff {
uint16 masks[17];
uint16 lens[17];
uint8 symbols[17];
};
class ImageAsset {
public:
ImageAsset(ObjID original, Container *container);
~ImageAsset();
void blitInto(Graphics::ManagedSurface *target, uint32 x, uint32 y, BlitMode mode);
bool isPointInside(Common::Point point);
bool isRectInside(Common::Rect rect);
uint getWidth();
uint getHeight();
private:
void decodePPIC(ObjID id, Common::Array<byte> &data);
void decodePPIC0(Common::BitStream &stream, Common::Array<byte> &data);
void decodePPIC1(Common::BitStream &stream, Common::Array<byte> &data);
void decodePPIC2(Common::BitStream &stream, Common::Array<byte> &data);
void decodePPIC3(Common::BitStream &stream, Common::Array<byte> &data);
void decodeHuffGraphic(const PPICHuff &huff, Common::BitStream &stream, Common::Array<byte> &data);
byte walkHuff(const PPICHuff &huff, Common::BitStream &stream);
void blitDirect(Graphics::ManagedSurface * target, uint32 ox, uint32 oy, const Common::Array<byte> &data);
void blitBIC(Graphics::ManagedSurface * target, uint32 ox, uint32 oy, const Common::Array<byte> &data);
void blitOR(Graphics::ManagedSurface * target, uint32 ox, uint32 oy, const Common::Array<byte> &data);
void blitXOR(Graphics::ManagedSurface * target, uint32 ox, uint32 oy, const Common::Array<byte> &data);
private:
ObjID _id;
ObjID _mask;
Container *_container;
uint16 _walkRepeat;
uint16 _walkLast;
uint16 _rowBytes;
uint16 _bitWidth;
uint16 _bitHeight;
Common::Array<byte> _imgData;
Common::Array<byte> _maskData;
};
} // End of namespace MacVenture
#endif
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