Renderer.hpp

/******************************************************************************
 
  nomlib - C++11 cross-platform game engine
 
Copyright (c) 2013, 2014 Jeffrey Carpenter <i8degrees@gmail.com>
All rights reserved.
 
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
 
1. Redistributions of source code must retain the above copyright notice, this
   list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
   this list of conditions and the following disclaimer in the documentation
   and/or other materials provided with the distribution.
 
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR
ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 
******************************************************************************/
#ifndef NOMLIB_SDL2_RENDERER_HPP
#define NOMLIB_SDL2_RENDERER_HPP
 
#include <iostream>
#include <string>
#include <memory>
 
#include <SDL.h>
 
#include "nomlib/config.hpp"
#include "nomlib/math/Color4.hpp"
#include "nomlib/math/Rect.hpp"
#include "nomlib/graphics/RendererInfo.hpp"
#include "nomlib/system/SDL_helpers.hpp"
 
namespace nom {
 
// Forward declarations
class Texture;

class Renderer
{
  public:
    static const int DEFAULT_RENDERING_DRIVER = -1;
 
    static const uint32 DEFAULT_RENDERER_FLAGS =
      SDL_RENDERER_ACCELERATED | SDL_RENDERER_TARGETTEXTURE;

    Renderer ( void );

    virtual ~Renderer ( void );

    bool create(  SDL_WINDOW::RawPtr window,
                  int rendering_driver = DEFAULT_RENDERING_DRIVER,
                  uint32 renderer_flags = DEFAULT_RENDERER_FLAGS );

    SDL_Renderer* renderer ( void ) const;

    bool renderer_valid ( void ) const;

    Size2i logical_size() const;

    const Point2f scale() const;

    const IntRect viewport ( void ) const;

    const SDL_BlendMode blend_mode ( void ) const;

    Size2i output_size( void ) const;

    IntRect clip_bounds() const;

    const RendererInfo caps ( void ) const;

    static const RendererInfo caps ( SDL_Renderer* target );

    bool reset_render_target() const;

    bool set_render_target(const Texture* texture) const;

    void update ( void ) const;

    bool clear ( void ) const;

    bool fill ( const Color4i& color );

    bool set_logical_size( int width, int height );

    bool set_logical_size( const Size2i& size );

    bool set_scale( const Point2f& scale_factor );

    bool set_viewport ( const IntRect& bounds );
 
    bool set_color ( const Color4i& color );

    bool set_blend_mode ( const SDL_BlendMode mode );

    bool set_clip_bounds(const IntRect& bounds);

    void* pixels() const;
 
  protected:
    std::unique_ptr<SDL_Renderer, void(*)(SDL_Renderer*)> renderer_;
};
 
 
} // namespace nom
 
#endif // include guard defined