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
20 #ifndef SUPERTUX_TEXTURE_H
21 #define SUPERTUX_TEXTURE_H
27 #include <SDL_opengl.h>
32 #include "../math/vector.h"
33 #include "../video/screen.h"
38 void apply_filter_to_surface(SDL_Surface *surface, int filter, int value);
39 SDL_Surface* sdl_surface_from_sdl_surface(SDL_Surface* sdl_surf, bool use_alpha);
40 SDL_Surface* sdl_surface_from_nothing();
47 /// bitset for drawing effects
49 /** Don't apply anything */
51 /** Draw the Surface upside down */
52 VERTICAL_FLIP = 0x0001,
53 /** Draw the Surface from left to down */
54 HORIZONTAL_FLIP = 0x0002,
55 /** Draw the Surface with alpha equal to 128 */
56 SEMI_TRANSPARENT = 0x0004
61 HORIZONTAL_FLIP_FILTER,
66 /** This class holds all the data necessary to construct a surface */
70 enum ConstructorType { LOAD, LOAD_PART, SURFACE, GRADIENT };
75 struct Filter { int type; Color color; };
76 std::vector<Filter> applied_filters;
84 Color bottom_gradient;
86 SurfaceData(SDL_Surface* surf, bool use_alpha_);
87 SurfaceData(const std::string& file_, bool use_alpha_);
88 SurfaceData(const std::string& file_, int x_, int y_, int w_, int h_, bool use_alpha_);
89 SurfaceData(Color top_gradient_, Color bottom_gradient_, int w_, int h_);
92 SurfaceSDL* create_SurfaceSDL();
93 SurfaceOpenGL* create_SurfaceOpenGL();
94 SurfaceImpl* create();
99 /** Container class that holds a surface, necessary so that we can
100 switch Surface implementations (OpenGL, SDL) on the fly */
109 typedef std::list<Surface*> Surfaces;
110 static Surfaces surfaces;
112 static void reload_all();
113 static void debug_check();
115 Surface(SDL_Surface* surf, bool use_alpha);
116 Surface(const std::string& file, bool use_alpha);
117 Surface(const std::string& file, int x, int y, int w, int h, bool use_alpha);
118 Surface(Color top_gradient, Color bottom_gradient, int w_, int h_);
121 /** Reload the surface, which is necesarry in case of a mode swich */
124 void apply_filter(int filter, Color color = Color(0,0,0));
127 /** Surface implementation, all implementation have to inherit from
132 SDL_Surface* sdl_surface;
140 virtual ~SurfaceImpl();
142 /** Return 0 on success, -2 if surface needs to be reloaded */
143 virtual int draw(float x, float y, Uint8 alpha, Uint32 effect = NONE_EFFECT) = 0;
144 virtual int draw_part(float sx, float sy, float x, float y, float w, float h, Uint8 alpha, Uint32 effect = NONE_EFFECT) = 0;
145 virtual int draw_stretched(float x, float y, int w, int h, Uint8 alpha, Uint32 effect = NONE_EFFECT) = 0;
148 SDL_Surface* get_sdl_surface() const; // @evil@ try to avoid this function
150 virtual void apply_filter(int filter, Color color = Color(0,0,0)) = 0;
153 class SurfaceSDL : public SurfaceImpl
156 SurfaceSDL(SDL_Surface* surf, bool use_alpha);
157 SurfaceSDL(const std::string& file, bool use_alpha);
158 SurfaceSDL(const std::string& file, int x, int y, int w, int h, bool use_alpha);
159 SurfaceSDL(Color top_gradient, Color bottom_gradient, int w, int h);
160 virtual ~SurfaceSDL();
162 int draw(float x, float y, Uint8 alpha, Uint32 effect = NONE_EFFECT);
163 int draw_part(float sx, float sy, float x, float y, float w, float h, Uint8 alpha, Uint32 effect = NONE_EFFECT);
164 int draw_stretched(float x, float y, int w, int h, Uint8 alpha, Uint32 effect = NONE_EFFECT);
166 void apply_filter(int filter, Color color);
170 class SurfaceOpenGL : public SurfaceImpl
176 SurfaceOpenGL(SDL_Surface* surf, bool use_alpha);
177 SurfaceOpenGL(const std::string& file, bool use_alpha);
178 SurfaceOpenGL(const std::string& file, int x, int y, int w, int h, bool use_alpha);
179 SurfaceOpenGL(Color top_gradient, Color bottom_gradient, int w, int h);
181 virtual ~SurfaceOpenGL();
183 int draw(float x, float y, Uint8 alpha, Uint32 effect = NONE_EFFECT);
184 int draw_part(float sx, float sy, float x, float y, float w, float h, Uint8 alpha, Uint32 effect = NONE_EFFECT);
185 int draw_stretched(float x, float y, int w, int h, Uint8 alpha, Uint32 effect = NONE_EFFECT);
187 void apply_filter(int filter, Color color);
190 void create_gl(SDL_Surface * surf, GLuint * tex);
194 } //namespace SuperTux
196 #endif /*SUPERTUX_TEXTURE_H*/
198 /* Local Variables: */