Root/src/surface.h

1/***************************************************************************
2 * Copyright (C) 2006 by Massimiliano Torromeo *
3 * massimiliano.torromeo@gmail.com *
4 * *
5 * This program is free software; you can redistribute it and/or modify *
6 * it under the terms of the GNU General Public License as published by *
7 * the Free Software Foundation; either version 2 of the License, or *
8 * (at your option) any later version. *
9 * *
10 * This program is distributed in the hope that it will be useful, *
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of *
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13 * GNU General Public License for more details. *
14 * *
15 * You should have received a copy of the GNU General Public License *
16 * along with this program; if not, write to the *
17 * Free Software Foundation, Inc., *
18 * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
19 ***************************************************************************/
20
21#ifndef SURFACE_H
22#define SURFACE_H
23
24#include "font.h"
25
26#include <SDL.h>
27#include <string>
28
29struct RGBAColor {
30    unsigned short r,g,b,a;
31};
32
33RGBAColor strtorgba(const std::string &strColor);
34
35/**
36    Wrapper around SDL_Surface
37    @author Massimiliano Torromeo <massimiliano.torromeo@gmail.com>
38*/
39class Surface {
40public:
41    static Surface *openOutputSurface(int width, int height, int bitsperpixel);
42    static Surface *emptySurface(int width, int height);
43    static Surface *loadImage(const std::string &img,
44            const std::string &skin="");
45
46    Surface(Surface *s);
47    ~Surface();
48
49    /** Converts the underlying surface to the same pixel format as the frame
50      * buffer, for faster blitting. This removes the alpha channel if the
51      * image has done.
52      */
53    void convertToDisplayFormat();
54
55    int width() const { return raw->w; }
56    int height() const { return raw->h; }
57
58    void flip();
59
60    void clearClipRect();
61    void setClipRect(int x, int y, int w, int h);
62    void setClipRect(SDL_Rect rect);
63
64    bool blit(Surface *destination, int x, int y, int w=0, int h=0, int a=-1) const;
65    bool blit(Surface *destination, SDL_Rect container, Font::HAlign halign = Font::HAlignLeft, Font::VAlign valign = Font::VAlignTop) const;
66    bool blitCenter(Surface *destination, int x, int y, int w=0, int h=0, int a=-1) const;
67    bool blitRight(Surface *destination, int x, int y, int w=0, int h=0, int a=-1) const;
68
69    void write(Font *font, const std::string &text, int x, int y,
70            Font::HAlign halign = Font::HAlignLeft,
71            Font::VAlign valign = Font::VAlignTop) {
72        font->write(this, text, x, y, halign, valign);
73    }
74
75    int box(Sint16 x, Sint16 y, Uint16 w, Uint16 h, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
76    int box(Sint16 x, Sint16 y, Uint16 w, Uint16 h, Uint8 r, Uint8 g, Uint8 b);
77    int box(Sint16 x, Sint16 y, Uint16 w, Uint16 h, RGBAColor);
78    int box(SDL_Rect, RGBAColor);
79    int rectangle(Sint16, Sint16, Uint16, Uint16, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
80    int rectangle(Sint16, Sint16, Uint16, Uint16, RGBAColor);
81    int rectangle(SDL_Rect, RGBAColor);
82    int hline(Sint16 x, Sint16 y, Uint16 h, Uint8 r, Uint8 g, Uint8 b, Uint8 a);
83
84private:
85    Surface(SDL_Surface *raw, bool freeWhenDone);
86    bool blit(SDL_Surface *destination, int x, int y, int w=0, int h=0, int a=-1) const;
87    bool blitCenter(SDL_Surface *destination, int x, int y, int w=0, int h=0, int a=-1) const;
88    bool blitRight(SDL_Surface *destination, int x, int y, int w=0, int h=0, int a=-1) const;
89
90    SDL_Surface *raw;
91    bool freeWhenDone;
92    int halfW, halfH;
93
94    // For direct access to "raw".
95    friend class Font;
96};
97
98#endif
99

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