src/graphics.h - mainline in The Mana World

/*
 *  The Mana World
 *  Copyright (C) 2004  The Mana World Development Team
 *
 *  This file is part of The Mana World.
 *
 *  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
 *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */

#ifndef GRAPHICS_H
#define GRAPHICS_H

#include <guichan/sdl/sdlgraphics.hpp>

class Image;
class ImageRect;

struct SDL_Surface;

static const int defaultScreenWidth = 800;
static const int defaultScreenHeight = 600;

/**
 * 9 images defining a rectangle. 4 corners, 4 sides and a middle area. The
 * topology is as follows:
 *
 * <pre>
 *  !-----!-----------------!-----!
 *  !  0  !        1        !  2  !
 *  !-----!-----------------!-----!
 *  !  3  !        4        !  5  !
 *  !-----!-----------------!-----!
 *  !  6  !        7        !  8  !
 *  !-----!-----------------!-----!
 * </pre>
 *
 * Sections 0, 2, 6 and 8 will remain as is. 1, 3, 4, 5 and 7 will be
 * repeated to fit the size of the widget.
 */
struct ImageRect
{
    enum ImagePosition
    {
        UPPER_LEFT = 0,
        UPPER_CENTER = 1,
        UPPER_RIGHT = 2,
        LEFT = 3,
        CENTER = 4,
        RIGHT = 5,
        LOWER_LEFT = 6,
        LOWER_CENTER = 7,
        LOWER_RIGHT = 8
    };

    Image *grid[9];
};

/**
 * A central point of control for graphics.
 */
class Graphics : public gcn::SDLGraphics
{
    public:
        /**
         * Constructor.
         */
        Graphics();

        /**
         * Destructor.
         */
        virtual ~Graphics();

        /**
         * Try to create a window with the given settings.
         */
        virtual bool setVideoMode(int w, int h, int bpp, bool fs, bool hwaccel);

        /**
         * Set fullscreen mode.
         */
        bool setFullscreen(bool fs);

        /**
         * Blits an image onto the screen.
         *
         * @return <code>true</code> if the image was blitted properly
         *         <code>false</code> otherwise.
         */
        bool drawImage(Image *image, int x, int y);

        /**
         * Overrides with our own drawing method.
         */
        void drawImage(gcn::Image const *image, int srcX, int srcY,
                       int dstX, int dstY, int width, int height);

        /**
         * Draws a resclaled version of the image
         */
        bool drawRescaledImage(Image *image, int srcX, int srcY,
                               int dstX, int dstY,
                               int width, int height,
                               int desiredWidth, int desiredHeight)
        { return drawRescaledImage(image, srcX, srcY,
                                   dstX, dstY,
                                   width, height,
                                   desiredWidth, desiredHeight,
                                   false); };

        /**
         * Draws a resclaled version of the image
         */
        virtual bool drawRescaledImage(Image *image, int srcX, int srcY,
                               int dstX, int dstY,
                               int width, int height,
                               int desiredWidth, int desiredHeight,
                               bool useColor = false);

        /**
         * Blits an image onto the screen.
         *
         * @return <code>true</code> if the image was blitted properly
         *         <code>false</code> otherwise.
         */
        virtual bool drawImage(Image *image,
                               int srcX, int srcY,
                               int dstX, int dstY,
                               int width, int height,
                               bool useColor = false);

        virtual void drawImagePattern(Image *image,
                                      int x, int y,
                                      int w, int h);

        /**
         * Draw a pattern based on a rescaled version of the given image...
         */
        virtual void drawRescaledImagePattern(Image *image,
                               int x, int y, int w, int h,
                               int scaledWidth, int scaledHeight);

        /**
         * Draws a rectangle using images. 4 corner images, 4 side images and 1
         * image for the inside.
         */
        void drawImageRect(
                int x, int y, int w, int h,
                Image *topLeft, Image *topRight,
                Image *bottomLeft, Image *bottomRight,
                Image *top, Image *right,
                Image *bottom, Image *left,
                Image *center);

        /**
         * Draws a rectangle using images. 4 corner images, 4 side images and 1
         * image for the inside.
         */
        void drawImageRect(
                int x, int y, int w, int h,
                const ImageRect &imgRect);

        /**
         * Updates the screen. This is done by either copying the buffer to the
         * screen or swapping pages.
         */
        virtual void updateScreen();

        /**
         * Returns the width of the screen.
         */
        int getWidth() const;

        /**
         * Returns the height of the screen.
         */
        int getHeight() const;

        /**
         * Takes a screenshot and returns it as SDL surface.
         */
        virtual SDL_Surface *getScreenshot();

    protected:
        SDL_Surface *mScreen;
        bool mFullscreen, mHWAccel;
};

extern Graphics *graphics;

#endif

1	/*
2	* The Mana World
3	* Copyright (C) 2004 The Mana World Development Team
4	*
5	* This file is part of The Mana World.
6	*
7	* This program is free software; you can redistribute it and/or modify
8	* it under the terms of the GNU General Public License as published by
9	* the Free Software Foundation; either version 2 of the License, or
10	* any later version.
11	*
12	* This program is distributed in the hope that it will be useful,
13	* but WITHOUT ANY WARRANTY; without even the implied warranty of
14	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15	* GNU General Public License for more details.
16	*
17	* You should have received a copy of the GNU General Public License
18	* along with this program; if not, write to the Free Software
19	* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20	*/
21
22	#ifndef GRAPHICS_H
23	#define GRAPHICS_H
24
25	#include <guichan/sdl/sdlgraphics.hpp>
26
27	class Image;
28	class ImageRect;
29
30	struct SDL_Surface;
31
32	static const int defaultScreenWidth = 800;
33	static const int defaultScreenHeight = 600;
34
35	/**
36	* 9 images defining a rectangle. 4 corners, 4 sides and a middle area. The
37	* topology is as follows:
38	*
39	* <pre>
40	* !-----!-----------------!-----!
41	* ! 0 ! 1 ! 2 !
42	* !-----!-----------------!-----!
43	* ! 3 ! 4 ! 5 !
44	* !-----!-----------------!-----!
45	* ! 6 ! 7 ! 8 !
46	* !-----!-----------------!-----!
47	* </pre>
48	*
49	* Sections 0, 2, 6 and 8 will remain as is. 1, 3, 4, 5 and 7 will be
50	* repeated to fit the size of the widget.
51	*/
52	struct ImageRect
53	{
54	enum ImagePosition
55	{
56	UPPER_LEFT = 0,
57	UPPER_CENTER = 1,
58	UPPER_RIGHT = 2,
59	LEFT = 3,
60	CENTER = 4,
61	RIGHT = 5,
62	LOWER_LEFT = 6,
63	LOWER_CENTER = 7,
64	LOWER_RIGHT = 8
65	};
66
67	Image *grid[9];
68	};
69
70	/**
71	* A central point of control for graphics.
72	*/
73	class Graphics : public gcn::SDLGraphics
74	{
75	public:
76	/**
77	* Constructor.
78	*/
79	Graphics();
80
81	/**
82	* Destructor.
83	*/
84	virtual ~Graphics();
85
86	/**
87	* Try to create a window with the given settings.
88	*/
89	virtual bool setVideoMode(int w, int h, int bpp, bool fs, bool hwaccel);
90
91	/**
92	* Set fullscreen mode.
93	*/
94	bool setFullscreen(bool fs);
95
96	/**
97	* Blits an image onto the screen.
98	*
99	* @return <code>true</code> if the image was blitted properly
100	* <code>false</code> otherwise.
101	*/
102	bool drawImage(Image *image, int x, int y);
103
104	/**
105	* Overrides with our own drawing method.
106	*/
107	void drawImage(gcn::Image const *image, int srcX, int srcY,
108	int dstX, int dstY, int width, int height);
109
110	/**
111	* Draws a resclaled version of the image
112	*/
113	bool drawRescaledImage(Image *image, int srcX, int srcY,
114	int dstX, int dstY,
115	int width, int height,
116	int desiredWidth, int desiredHeight)
117	{ return drawRescaledImage(image, srcX, srcY,
118	dstX, dstY,
119	width, height,
120	desiredWidth, desiredHeight,
121	false); };
122
123	/**
124	* Draws a resclaled version of the image
125	*/
126	virtual bool drawRescaledImage(Image *image, int srcX, int srcY,
127	int dstX, int dstY,
128	int width, int height,
129	int desiredWidth, int desiredHeight,
130	bool useColor = false);
131
132	/**
133	* Blits an image onto the screen.
134	*
135	* @return <code>true</code> if the image was blitted properly
136	* <code>false</code> otherwise.
137	*/
138	virtual bool drawImage(Image *image,
139	int srcX, int srcY,
140	int dstX, int dstY,
141	int width, int height,
142	bool useColor = false);
143
144	virtual void drawImagePattern(Image *image,
145	int x, int y,
146	int w, int h);
147
148	/**
149	* Draw a pattern based on a rescaled version of the given image...
150	*/
151	virtual void drawRescaledImagePattern(Image *image,
152	int x, int y, int w, int h,
153	int scaledWidth, int scaledHeight);
154
155	/**
156	* Draws a rectangle using images. 4 corner images, 4 side images and 1
157	* image for the inside.
158	*/
159	void drawImageRect(
160	int x, int y, int w, int h,
161	Image topLeft, Image topRight,
162	Image bottomLeft, Image bottomRight,
163	Image top, Image right,
164	Image bottom, Image left,
165	Image *center);
166
167	/**
168	* Draws a rectangle using images. 4 corner images, 4 side images and 1
169	* image for the inside.
170	*/
171	void drawImageRect(
172	int x, int y, int w, int h,
173	const ImageRect &imgRect);
174
175	/**
176	* Updates the screen. This is done by either copying the buffer to the
177	* screen or swapping pages.
178	*/
179	virtual void updateScreen();
180
181	/**
182	* Returns the width of the screen.
183	*/
184	int getWidth() const;
185
186	/**
187	* Returns the height of the screen.
188	*/
189	int getHeight() const;
190
191	/**
192	* Takes a screenshot and returns it as SDL surface.
193	*/
194	virtual SDL_Surface *getScreenshot();
195
196	protected:
197	SDL_Surface *mScreen;
198	bool mFullscreen, mHWAccel;
199	};
200
201	extern Graphics *graphics;
202
203	#endif

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