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 };
76 struct Filter { int type; Color color; };
77 std::vector<Filter> applied_filters;
85 Color bottom_gradient;
87 SurfaceData(SDL_Surface* surf, bool use_alpha_);
88 SurfaceData(const std::string& file_, bool use_alpha_);
89 SurfaceData(const std::string& file_, int x_, int y_, int w_, int h_, bool use_alpha_);
90 SurfaceData(Color top_gradient_, Color bottom_gradient_, int w_, int h_);
93 SurfaceSDL* create_SurfaceSDL();
94 SurfaceOpenGL* create_SurfaceOpenGL();
95 SurfaceImpl* create();
100 /** Container class that holds a surface, necessary so that we can
101 switch Surface implementations (OpenGL, SDL) on the fly */
110 typedef std::list<Surface*> Surfaces;
111 static Surfaces surfaces;
113 static void reload_all();
114 static void debug_check();
116 Surface(SDL_Surface* surf, bool use_alpha);
117 Surface(const std::string& file, bool use_alpha);
118 Surface(const std::string& file, int x, int y, int w, int h, bool use_alpha);
119 Surface(Color top_gradient, Color bottom_gradient, int w_, int h_);
122 /** Reload the surface, which is necesarry in case of a mode swich */
125 void resize(int widht, int height);
127 void apply_filter(int filter, Color color = Color(0,0,0));
130 /** Surface implementation, all implementation have to inherit from
135 SDL_Surface* sdl_surface;
143 virtual ~SurfaceImpl();
145 /** Return 0 on success, -2 if surface needs to be reloaded */
146 virtual int draw(float x, float y, Uint8 alpha, Uint32 effect = NONE_EFFECT) = 0;
147 virtual int draw_part(float sx, float sy, float x, float y, float w, float h, Uint8 alpha, Uint32 effect = NONE_EFFECT) = 0;
148 virtual int draw_stretched(float x, float y, int w, int h, Uint8 alpha, Uint32 effect = NONE_EFFECT) = 0;
151 int resize(int w_, int h_);
153 SDL_Surface* get_sdl_surface() const; // @evil@ try to avoid this function
155 virtual void apply_filter(int filter, Color color = Color(0,0,0)) = 0;
158 class SurfaceSDL : public SurfaceImpl
161 SurfaceSDL(SDL_Surface* surf, bool use_alpha);
162 SurfaceSDL(const std::string& file, bool use_alpha);
163 SurfaceSDL(const std::string& file, int x, int y, int w, int h, bool use_alpha);
164 SurfaceSDL(Color top_gradient, Color bottom_gradient, int w, int h);
165 virtual ~SurfaceSDL();
167 int draw(float x, float y, Uint8 alpha, Uint32 effect = NONE_EFFECT);
168 int draw_part(float sx, float sy, float x, float y, float w, float h, Uint8 alpha, Uint32 effect = NONE_EFFECT);
169 int draw_stretched(float x, float y, int w, int h, Uint8 alpha, Uint32 effect = NONE_EFFECT);
171 void apply_filter(int filter, Color color);
175 class SurfaceOpenGL : public SurfaceImpl
181 SurfaceOpenGL(SDL_Surface* surf, bool use_alpha);
182 SurfaceOpenGL(const std::string& file, bool use_alpha);
183 SurfaceOpenGL(const std::string& file, int x, int y, int w, int h, bool use_alpha);
184 SurfaceOpenGL(Color top_gradient, Color bottom_gradient, int w, int h);
186 virtual ~SurfaceOpenGL();
188 int draw(float x, float y, Uint8 alpha, Uint32 effect = NONE_EFFECT);
189 int draw_part(float sx, float sy, float x, float y, float w, float h, Uint8 alpha, Uint32 effect = NONE_EFFECT);
190 int draw_stretched(float x, float y, int w, int h, Uint8 alpha, Uint32 effect = NONE_EFFECT);
192 void apply_filter(int filter, Color color);
195 void create_gl(SDL_Surface * surf, GLuint * tex);
199 } //namespace SuperTux
201 #endif /*SUPERTUX_TEXTURE_H*/
203 /* Local Variables: */