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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.
*
* $URL$
* $Id$
*
*/
#ifndef DRACI_SPRITE_H
#define DRACI_SPRITE_H
#include "common/scummsys.h"
#include "common/rect.h"
namespace Draci {
enum DrawableType {
kDrawableText,
kDrawableSprite
};
struct Displacement {
int relX, relY;
double extraScaleX, extraScaleY;
};
extern const Displacement kNoDisplacement;
class Surface;
class Font;
class Drawable {
public:
virtual void draw(Surface *surface, bool markDirty, int relX, int relY) const = 0;
virtual void drawReScaled(Surface *surface, bool markDirty, const Displacement &displacement) const = 0;
virtual ~Drawable() {}
uint getWidth() const { return _width; }
uint getHeight() const { return _height; }
uint getScaledWidth() const { return _scaledWidth; }
uint getScaledHeight() const { return _scaledHeight; }
void setScaled(uint width, uint height) {
_scaledWidth = width;
_scaledHeight = height;
}
int getX() const { return _x; }
int getY() const { return _y; }
void setX(int x) { _x = x; }
void setY(int y) { _y = y; }
void setDelay(int delay) { _delay = delay; }
int getDelay() const { return _delay; }
virtual Common::Rect getRect(const Displacement &displacement) const = 0;
virtual DrawableType getType() const = 0;
protected:
uint _width; ///< Width of the sprite
uint _height; ///< Height of the sprite
uint _scaledWidth; ///< Scaled width of the sprite
uint _scaledHeight; ///< Scaled height of the sprite
int _x, _y; ///< Sprite coordinates
/** The time a drawable should stay on the screen
* before being replaced by another or deleted
*/
int _delay;
};
/**
* Represents a Draci Historie sprite. Supplies two constructors; one for
* loading a sprite from a raw data buffer and one for loading a sprite in
* the Draci sprite format. Supports loading the sprite from a column-wise
* format (transforming them to row-wise) since that is the way the sprites
* are stored in the original game files.
*
* Sprite format:
* [uint16LE] sprite width
* [uint16LE] sprite height
* [height * width bytes] image pixels stored column-wise, one byte per pixel
*/
class Sprite : public Drawable {
public:
// Takes ownership of raw_data.
Sprite(uint16 width, uint16 height, byte *raw_data, int x, int y, bool columnwise);
// It doesn't take ownership of sprite_data. If columnwise is false,
// it internally points to the original buffer (which has lifetime at
// least as long as this sprite, assumming that it comes from a cached
// BArchive file), otherwise it allocates its own buffer with the
// transposed image.
Sprite(const byte *sprite_data, uint16 length, int x, int y, bool columnwise);
~Sprite();
void draw(Surface *surface, bool markDirty, int relX, int relY) const;
void drawReScaled(Surface *surface, bool markDirty, const Displacement &displacement) const;
void setMirrorOn() { _mirror = true; }
void setMirrorOff() { _mirror = false; }
Common::Rect getRect(const Displacement &displacement) const;
const byte *getBuffer() const { return _data; }
int getPixel(int x, int y, const Displacement &displacement) const;
DrawableType getType() const { return kDrawableSprite; }
private:
bool _ownsData;
const byte *_data; ///< Pointer to a buffer containing raw sprite data (row-wise)
bool _mirror;
};
class Text : public Drawable {
public:
Text(const Common::String &str, const Font *font, byte fontColour,
int x, int y, uint spacing);
~Text() {}
void setText(const Common::String &str);
void setColour(byte fontColour) { _colour = fontColour; }
void setSpacing(uint spacing) { _spacing = spacing; }
void setFont(const Font *font);
void repeatedlySplitLongLines(uint maxWidth);
uint getLength() const { return _length; }
void draw(Surface *surface, bool markDirty, int relX, int relY) const;
// drawReScaled just calls draw so that Text can be accessed through a Drawable pointer.
// Text scaling does not need to be handled.
void drawReScaled(Surface *surface, bool markDirty, const Displacement &displacement) const { draw(surface, markDirty, displacement.relX, displacement.relY); }
Common::Rect getRect(const Displacement &displacement) const;
DrawableType getType() const { return kDrawableText; }
private:
void splitLinesLongerThan(uint maxWidth);
Common::String _text;
uint _length;
uint8 _colour;
uint _spacing;
const Font *_font;
};
} // End of namespace Draci
#endif // DRACI_SPRITE_H
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