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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 GLK_PICTURE_H
#define GLK_PICTURE_H
#include "common/array.h"
#include "graphics/managed_surface.h"
namespace Glk {
/**
* Picture/image class
*/
struct Picture : Graphics::ManagedSurface {
private:
int _transColor;
public:
int _refCount;
uint _id;
bool _scaled;
/**
* Constructor
*/
Picture() : Graphics::ManagedSurface(), _refCount(0), _id(0), _scaled(false), _transColor(0x7777) {}
/**
* Constructor
*/
Picture(int width, int height, const Graphics::PixelFormat &fmt);
/**
* Increment reference counter
*/
void increment();
/**
* Decrement reference counter
*/
void decrement();
/**
* Draw the picture
*/
void drawPicture(const Common::Point &destPos, const Common::Rect &box);
/**
* Get the transparency color
*/
uint getTransparentColor() const { return _transColor; }
/**
* Set the transparency color
*/
void setTransparentColor(uint color) { _transColor = color; }
};
/**
* Picture entry in the in-memory store
*/
struct PictureEntry {
Picture *_picture;
Picture *_scaled;
PictureEntry() : _picture(nullptr), _scaled(nullptr) {}
};
/**
* Pictures manager
*/
class Pictures {
private:
int _refCount;
Common::Array<PictureEntry> _store;
private:
/**
* Stores an original picture in the store
*/
void storeOriginal(Picture *pic);
/**
* Stores a scaled picture in the store
*/
void storeScaled(Picture *pic);
public:
/**
* Constructor
*/
Pictures() : _refCount(0) {}
/**
* Destructor
*/
~Pictures() { clear(); }
/**
* Clear the picture list
*/
void clear();
/**
* Increments the count of the number of pictures in use
*/
void increment();
/**
* Decrements the count of the number of pictures in use
*/
void decrement();
/**
* Searches for an existing picture entry
*/
PictureEntry *search(uint id);
/**
* Stores a picture in the store
*/
void store(Picture *pic);
/**
* Retrieves a picture from the store
*/
Picture *retrieve(uint id, bool scaled);
/**
* Load a given picture
*/
Picture *load(uint32 id);
/**
* Rescale the passed picture to a new picture of a given size
*/
Picture *scale(Picture *src, size_t sx, size_t sy);
};
} // End of namespace Glk
#endif
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