1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
|
/* 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 "draci/surface.h"
#include "draci/font.h"
namespace Draci {
enum DrawableType {
kDrawableText,
kDrawableSprite
};
struct Displacement {
int relX, relY;
double extraScaleX, extraScaleY;
};
extern const Displacement kNoDisplacement;
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);
uint getLength() const { return _length; }
void draw(Surface *surface, bool markDirty, int relX, int relY) const;
// TODO: drawReScaled just calls draw so Text can be accessed through a Drawable pointer.
// Handle scaling text sometimes (not essential).
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:
Common::String _text;
uint _length;
uint8 _colour;
uint _spacing;
const Font *_font;
};
} // End of namespace Draci
#endif // DRACI_SPRITE_H
|
