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
62 HORIZONTAL_FLIP_FILTER,
67 /** This class holds all the data necessary to construct a surface */
71 enum ConstructorType { LOAD, LOAD_PART, SURFACE, GRADIENT };
81 Color bottom_gradient;
83 SurfaceData(SDL_Surface* surf, bool use_alpha_);
84 SurfaceData(const std::string& file_, bool use_alpha_);
85 SurfaceData(const std::string& file_, int x_, int y_, int w_, int h_, bool use_alpha_);
86 SurfaceData(Color top_gradient_, Color bottom_gradient_, int w_, int h_);
89 SurfaceSDL* create_SurfaceSDL();
90 SurfaceOpenGL* create_SurfaceOpenGL();
91 SurfaceImpl* create();
96 /** Container class that holds a surface, necessary so that we can
97 switch Surface implementations (OpenGL, SDL) on the fly */
106 typedef std::list<Surface*> Surfaces;
107 static Surfaces surfaces;
109 static void reload_all();
110 static void debug_check();
112 Surface(SDL_Surface* surf, bool use_alpha);
113 Surface(const std::string& file, bool use_alpha);
114 Surface(const std::string& file, int x, int y, int w, int h, bool use_alpha);
115 Surface(Color top_gradient, Color bottom_gradient, int w_, int h_);
118 /** Reload the surface, which is necesarry in case of a mode swich */
121 void resize(int widht, int height);
123 void apply_filter(int filter, Color color = Color(0,0,0));
126 /** Surface implementation, all implementation have to inherit from
131 SDL_Surface* sdl_surface;
139 virtual ~SurfaceImpl();
141 /** Return 0 on success, -2 if surface needs to be reloaded */
142 virtual int draw(float x, float y, Uint8 alpha, Uint32 effect = NONE_EFFECT) = 0;
143 virtual int draw_part(float sx, float sy, float x, float y, float w, float h, Uint8 alpha, Uint32 effect = NONE_EFFECT) = 0;
144 virtual int draw_stretched(float x, float y, int w, int h, Uint8 alpha, Uint32 effect = NONE_EFFECT) = 0;
147 int resize(int w_, int h_);
149 SDL_Surface* get_sdl_surface() const; // @evil@ try to avoid this function
151 virtual void apply_filter(int filter, Color color = Color(0,0,0)) = 0;
154 class SurfaceSDL : public SurfaceImpl
157 SurfaceSDL(SDL_Surface* surf, bool use_alpha);
158 SurfaceSDL(const std::string& file, bool use_alpha);
159 SurfaceSDL(const std::string& file, int x, int y, int w, int h, bool use_alpha);
160 SurfaceSDL(Color top_gradient, Color bottom_gradient, int w, int h);
161 virtual ~SurfaceSDL();
163 int draw(float x, float y, Uint8 alpha, Uint32 effect = NONE_EFFECT);
164 int draw_part(float sx, float sy, float x, float y, float w, float h, Uint8 alpha, Uint32 effect = NONE_EFFECT);
165 int draw_stretched(float x, float y, int w, int h, Uint8 alpha, Uint32 effect = NONE_EFFECT);
167 void apply_filter(int filter, Color color);
171 class SurfaceOpenGL : public SurfaceImpl
177 SurfaceOpenGL(SDL_Surface* surf, bool use_alpha);
178 SurfaceOpenGL(const std::string& file, bool use_alpha);
179 SurfaceOpenGL(const std::string& file, int x, int y, int w, int h, bool use_alpha);
180 SurfaceOpenGL(Color top_gradient, Color bottom_gradient, int w, int h);
182 virtual ~SurfaceOpenGL();
184 int draw(float x, float y, Uint8 alpha, Uint32 effect = NONE_EFFECT);
185 int draw_part(float sx, float sy, float x, float y, float w, float h, Uint8 alpha, Uint32 effect = NONE_EFFECT);
186 int draw_stretched(float x, float y, int w, int h, Uint8 alpha, Uint32 effect = NONE_EFFECT);
188 void apply_filter(int filter, Color color);
191 void create_gl(SDL_Surface * surf, GLuint * tex);
195 } //namespace SuperTux
197 #endif /*SUPERTUX_TEXTURE_H*/
199 /* Local Variables: */