4 // Copyright (C) 2004 Tobias Glaesser <tobi.web@gmx.de>
6 // This program is free software; you can redistribute it and/or
7 // modify it under the terms of the GNU General Public License
8 // as published by the Free Software Foundation; either version 2
9 // of the License, or (at your option) any later version.
11 // This program is distributed in the hope that it will be useful,
12 // but WITHOUT ANY WARRANTY; without even the implied warranty of
13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 // GNU General Public License for more details.
16 // You should have received a copy of the GNU General Public License
17 // along with this program; if not, write to the Free Software
18 // Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA
21 #ifndef SUPERTUX_TEXTURE_H
22 #define SUPERTUX_TEXTURE_H
28 #include "SDL_opengl.h"
33 #include "../math/vector.h"
34 #include "../video/screen.h"
39 void apply_filter_to_surface(SDL_Surface *surface, int filter, int value);
40 SDL_Surface* sdl_surface_from_sdl_surface(SDL_Surface* sdl_surf, bool use_alpha);
41 SDL_Surface* sdl_surface_from_nothing();
48 /// bitset for drawing effects
50 /** Don't apply anything */
52 /** Draw the Surface upside down */
53 VERTICAL_FLIP = 0x0001,
54 /** Draw the Surface from left to down */
55 HORIZONTAL_FLIP = 0x0002,
56 /** Draw the Surface with alpha equal to 128 */
57 SEMI_TRANSPARENT = 0x0004
65 /** This class holds all the data necessary to construct a surface */
69 enum ConstructorType { LOAD, LOAD_PART, SURFACE, GRADIENT };
79 Color bottom_gradient;
81 SurfaceData(SDL_Surface* surf, bool use_alpha_);
82 SurfaceData(const std::string& file_, bool use_alpha_);
83 SurfaceData(const std::string& file_, int x_, int y_, int w_, int h_, bool use_alpha_);
84 SurfaceData(Color top_gradient_, Color bottom_gradient_, int w_, int h_);
87 SurfaceSDL* create_SurfaceSDL();
88 SurfaceOpenGL* create_SurfaceOpenGL();
89 SurfaceImpl* create();
94 /** Container class that holds a surface, necessary so that we can
95 switch Surface implementations (OpenGL, SDL) on the fly */
104 typedef std::list<Surface*> Surfaces;
105 static Surfaces surfaces;
107 static void reload_all();
108 static void debug_check();
110 Surface(SDL_Surface* surf, bool use_alpha);
111 Surface(const std::string& file, bool use_alpha);
112 Surface(const std::string& file, int x, int y, int w, int h, bool use_alpha);
113 Surface(Color top_gradient, Color bottom_gradient, int w_, int h_);
116 /** Reload the surface, which is necesarry in case of a mode swich */
119 void resize(int widht, int height);
121 void apply_mask(Color color);
124 /** Surface implementation, all implementation have to inherit from
129 SDL_Surface* sdl_surface;
137 virtual ~SurfaceImpl();
139 /** Return 0 on success, -2 if surface needs to be reloaded */
140 virtual int draw(float x, float y, Uint8 alpha, Uint32 effect = NONE_EFFECT) = 0;
141 virtual int draw_part(float sx, float sy, float x, float y, float w, float h, Uint8 alpha, Uint32 effect = NONE_EFFECT) = 0;
142 virtual int draw_stretched(float x, float y, int w, int h, Uint8 alpha, Uint32 effect = NONE_EFFECT) = 0;
145 int resize(int w_, int h_);
147 SDL_Surface* get_sdl_surface() const; // @evil@ try to avoid this function
149 virtual void apply_mask(Color color) = 0;
152 class SurfaceSDL : public SurfaceImpl
155 SurfaceSDL(SDL_Surface* surf, bool use_alpha);
156 SurfaceSDL(const std::string& file, bool use_alpha);
157 SurfaceSDL(const std::string& file, int x, int y, int w, int h, bool use_alpha);
158 SurfaceSDL(Color top_gradient, Color bottom_gradient, int w, int h);
159 virtual ~SurfaceSDL();
161 int draw(float x, float y, Uint8 alpha, Uint32 effect = NONE_EFFECT);
162 int draw_part(float sx, float sy, float x, float y, float w, float h, Uint8 alpha, Uint32 effect = NONE_EFFECT);
163 int draw_stretched(float x, float y, int w, int h, Uint8 alpha, Uint32 effect = NONE_EFFECT);
165 void apply_mask(Color color);
169 class SurfaceOpenGL : public SurfaceImpl
175 SurfaceOpenGL(SDL_Surface* surf, bool use_alpha);
176 SurfaceOpenGL(const std::string& file, bool use_alpha);
177 SurfaceOpenGL(const std::string& file, int x, int y, int w, int h, bool use_alpha);
178 SurfaceOpenGL(Color top_gradient, Color bottom_gradient, int w, int h);
180 virtual ~SurfaceOpenGL();
182 int draw(float x, float y, Uint8 alpha, Uint32 effect = NONE_EFFECT);
183 int draw_part(float sx, float sy, float x, float y, float w, float h, Uint8 alpha, Uint32 effect = NONE_EFFECT);
184 int draw_stretched(float x, float y, int w, int h, Uint8 alpha, Uint32 effect = NONE_EFFECT);
186 void apply_mask(Color color);
189 void create_gl(SDL_Surface * surf, GLuint * tex);
193 } //namespace SuperTux
195 #endif /*SUPERTUX_TEXTURE_H*/
197 /* Local Variables: */