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https://github.com/libretro/scummvm.git
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a06509f3c2
* Made columnwise parameter mandatory * Made Sprite coordinates signed (the engine sometimes uses negative coordinates) * Prevented overflow when drawing sprites in some cases svn-id: r42100
122 lines
3.1 KiB
C++
122 lines
3.1 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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* 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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* 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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* $URL$
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* $Id$
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*
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*/
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#ifndef DRACI_SPRITE_H
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#define DRACI_SPRITE_H
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#include "draci/surface.h"
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#include "draci/font.h"
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namespace Draci {
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class Drawable {
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friend class Sprite;
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friend class Text;
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public:
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virtual void draw(Surface *surface, bool markDirty = true) const = 0;
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virtual ~Drawable() {};
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virtual uint16 getWidth() { return _width; }
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virtual uint16 getHeight() { return _height; }
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virtual int getX() { return _x; }
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virtual int getY() { return _y; }
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virtual void setX(int x) { _x = x; }
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virtual void setY(int y) { _y = y; }
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virtual Common::Rect getRect() const = 0;
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private:
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uint16 _width; //!< Width of the sprite
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uint16 _height; //!< Height of the sprite
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int _x, _y; //!< Sprite coordinates
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};
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/**
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* Represents a Draci Historie sprite. Supplies two constructors; one for
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* loading a sprite from a raw data buffer and one for loading a sprite in
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* the Draci sprite format. Supports loading the sprite from a column-wise
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* format (transforming them to row-wise) since that is the way the sprites
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* are stored in the original game files.
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*
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* Sprite format:
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* [uint16LE] sprite width
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* [uint16LE] sprite height
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* [height * width bytes] image pixels stored column-wise, one byte per pixel
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*/
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class Sprite : public Drawable {
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public:
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Sprite(byte *raw_data, uint16 width, uint16 height, int x, int y, bool columnwise);
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Sprite(byte *sprite_data, uint16 length, int x, int y, bool columnwise);
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~Sprite();
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void draw(Surface *surface, bool markDirty = true) const;
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void setMirrorOn();
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void setMirrorOff();
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virtual Common::Rect getRect() const;
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const byte *getBuffer() const { return _data; }
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private:
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byte *_data; //!< Pointer to a buffer containing raw sprite data (row-wise)
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bool _mirror;
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};
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class Text : public Drawable {
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public:
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Text(const Common::String &str, Font *font, byte fontColour,
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int x, int y, uint spacing = 0);
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~Text();
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void setText(const Common::String &str);
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void setColour(byte fontColour);
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void setSpacing(uint spacing);
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void draw(Surface *surface, bool markDirty = true) const;
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virtual Common::Rect getRect() const;
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private:
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byte *_text;
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uint _length;
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uint8 _colour;
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uint _spacing;
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Font *_font;
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};
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} // End of namespace Draci
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#endif // DRACI_SPRITE_H
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