#include "video/texture_manager.hpp"
/// bitset for drawing effects
-enum DrawingEffect {
+enum {
/** Don't apply anything */
- NO_EFFECT,
+ NO_EFFECT = 0,
/** Draw the Surface upside down */
- VERTICAL_FLIP,
+ VERTICAL_FLIP = (1<<1),
/** Draw the Surface from left to down */
- HORIZONTAL_FLIP,
+ HORIZONTAL_FLIP = (1<<2),
NUM_EFFECTS
};
+typedef unsigned int DrawingEffect;
+
/**
* This class is a wrapper around a texture handle. It stores the texture width
* and height and provides convenience functions for uploading SDL_Surfaces
*/
class Texture
{
-protected:
- int refcount;
- std::string filename;
+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:
- Texture() : refcount(0), filename() {}
- virtual ~Texture() {}
+ 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;
- std::string get_filename() const
- {
- return filename;
- }
-
- void set_filename(std::string filename)
- {
- this->filename = filename;
- }
-
- void ref()
- {
- refcount++;
- }
-
- void unref()
- {
- assert(refcount > 0);
- refcount--;
- if(refcount == 0)
- release();
- }
-
-private:
- void release()
- {
- texture_manager->release(this);
- }
-
private:
Texture(const Texture&);
Texture& operator=(const Texture&);