Fix another round of squirrel coverity issues

[supertux.git] / src / video / texture.hpp

diff --git a/src/video/texture.hpp b/src/video/texture.hpp
index 8322e3c..76964a9 100644 (file)
--- a/src/video/texture.hpp
+++ b/src/video/texture.hpp
@@ -1,12 +1,10 @@
-//  $Id$
+//  SuperTux
+//  Copyright (C) 2006 Matthias Braun <matze@braunis.de>
 //
-//  SuperTux -  A Jump'n Run
-//  Copyright (C) 2004 Matthias Braun <matze@braunis.de
-//
-//  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 (at your option) any later version.
+//  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 3 of the License, or
+//  (at your option) 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
@@ -14,34 +12,65 @@
 //  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 __TEXTURE_HPP__
-#define __TEXTURE_HPP__
+//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+#ifndef HEADER_SUPERTUX_VIDEO_TEXTURE_HPP
+#define HEADER_SUPERTUX_VIDEO_TEXTURE_HPP
+
+#include <config.h>
+
+#include <assert.h>
+#include <string>
+
+#include "supertux/globals.hpp"
+#include "video/texture_manager.hpp"
+
+/// bitset for drawing effects
+enum {
+  /** Don't apply anything */
+  NO_EFFECT = 0,
+  /** Draw the Surface upside down */
+  VERTICAL_FLIP = (1<<1),
+  /** Draw the Surface from left to down */
+  HORIZONTAL_FLIP = (1<<2),
+  NUM_EFFECTS
+};
 
-#include <SDL.h>
-#include <GL/gl.h>
+typedef unsigned int DrawingEffect;
 
 /**
- * This class is a very simple wrapper around a texture handle
+ * This class is a wrapper around a texture handle. It stores the texture width
+ * and height and provides convenience functions for uploading SDL_Surfaces
+ * into the texture
  */
 class Texture
 {
+private:
+  friend class TextureManager;
+  /* The name under which this texture is cached by the texture manager,
+   * or the empty string if not. */
+  std::string cache_filename;
+
 public:
-  GLuint handle;
-  unsigned int width;
-  unsigned int height;
-  
-  Texture(unsigned int width, unsigned int height, GLenum glformat);
-  Texture(SDL_Surface* surface, GLenum glformat);
-  ~Texture();
-
-  void upload_texture(SDL_Surface* image, int src_x, int src_y, int dst_x, int dst_y, 
-                      int width, int height);
+  Texture() : cache_filename() {}
+  virtual ~Texture()
+  {
+    if (TextureManager::current() && cache_filename != "")
+      /* The cache entry is now useless: its weak pointer to us has been
+       * cleared.  Remove the entry altogether to save memory. */
+      TextureManager::current()->reap_cache_entry(cache_filename);
+  }
+
+  virtual unsigned int get_texture_width() const = 0;
+  virtual unsigned int get_texture_height() const = 0;
+  virtual unsigned int get_image_width() const = 0;
+  virtual unsigned int get_image_height() const = 0;
+
 private:
-  void set_texture_params();
+  Texture(const Texture&);
+  Texture& operator=(const Texture&);
 };
 
-
 #endif
 
+/* EOF */