Renderer.hh

/*
  libSDL2pp - C++ bindings/wrapper for SDL2
  Copyright (C) 2013-2016 Dmitry Marakasov <amdmi3@amdmi3.ru>
 
  This software is provided 'as-is', without any express or implied
  warranty.  In no event will the authors be held liable for any damages
  arising from the use of this software.
 
  Permission is granted to anyone to use this software for any purpose,
  including commercial applications, and to alter it and redistribute it
  freely, subject to the following restrictions:
 
  1. The origin of this software must not be misrepresented; you must not
     claim that you wrote the original software. If you use this software
     in a product, an acknowledgment in the product documentation would be
     appreciated but is not required.
  2. Altered source versions must be plainly marked as such, and must not be
     misrepresented as being the original software.
  3. This notice may not be removed or altered from any source distribution.
*/
 
#ifndef SDL2PP_RENDERER_HH
#define SDL2PP_RENDERER_HH
 
#include <SDL_stdinc.h>
#include <SDL_blendmode.h>
 
#include <SDL2pp/Config.hh>
#include <SDL2pp/Optional.hh>
#include <SDL2pp/Point.hh>
#include <SDL2pp/Rect.hh>
#include <SDL2pp/Export.hh>
#include <SDL2pp/Color.hh>
 
struct SDL_RendererInfo;
struct SDL_Renderer;
 
namespace SDL2pp {
 
class Window;
class Texture;
class Point;
 
class SDL2PP_EXPORT Renderer {
private:
    SDL_Renderer* renderer_; 
 
public:
    explicit Renderer(SDL_Renderer* renderer);
 
    Renderer(Window& window, int index, Uint32 flags);
 
    virtual ~Renderer();
 
    Renderer(Renderer&& other) noexcept;
 
    Renderer& operator=(Renderer&& other) noexcept;
 
    Renderer(const Renderer& other) = delete;
 
    Renderer& operator=(const Renderer& other) = delete;
 
    SDL_Renderer* Get() const;
 
    Renderer& Present();
 
    Renderer& Clear();
 
    void GetInfo(SDL_RendererInfo& info);
 
    Renderer& Copy(Texture& texture, const Optional<Rect>& srcrect = NullOpt, const Optional<Rect>& dstrect = NullOpt);
 
    Renderer& Copy(Texture& texture, const Optional<Rect>& srcrect, const Point& dstpoint);
 
    Renderer& Copy(Texture& texture, const Optional<Rect>& srcrect, const Optional<Rect>& dstrect, double angle, const Optional<Point>& center = NullOpt, int flip = 0);
 
    Renderer& Copy(Texture& texture, const Optional<Rect>& srcrect, const SDL2pp::Point& dstpoint, double angle, const Optional<Point>& center = NullOpt, int flip = 0);
 
    Renderer& FillCopy(Texture& texture, const Optional<Rect>& srcrect = NullOpt, const Optional<Rect>& dstrect = NullOpt, const Point& offset = Point(0, 0), int flip = 0);
 
    Renderer& SetDrawColor(Uint8 r = 0, Uint8 g = 0, Uint8 b = 0, Uint8 a = 255);
 
    Renderer& SetDrawColor(const Color& color);
 
    Renderer& SetTarget();
 
    Renderer& SetTarget(Texture& texture);
 
    Renderer& SetDrawBlendMode(SDL_BlendMode blendMode = SDL_BLENDMODE_NONE);
 
    Renderer& DrawPoint(int x, int y);
 
    Renderer& DrawPoint(const Point& p);
 
    Renderer& DrawPoints(const Point* points, int count);
 
    Renderer& DrawLine(int x1, int y1, int x2, int y2);
 
    Renderer& DrawLine(const Point& p1, const Point& p2);
 
    Renderer& DrawLines(const Point* points, int count);
 
    Renderer& DrawRect(int x1, int y1, int x2, int y2);
 
    Renderer& DrawRect(const Point& p1, const Point& p2);
 
    Renderer& DrawRect(const Rect& r);
 
    Renderer& DrawRects(const Rect* rects, int count);
 
    Renderer& FillRect(int x1, int y1, int x2, int y2);
 
    Renderer& FillRect(const Point& p1, const Point& p2);
 
    Renderer& FillRect(const Rect& r);
 
    Renderer& FillRects(const Rect* rects, int count);
 
    void ReadPixels(const Optional<Rect>& rect, Uint32 format, void* pixels, int pitch);
 
    Renderer& SetClipRect(const Optional<Rect>& rect = NullOpt);
 
    Renderer& SetLogicalSize(int w, int h);
 
    Renderer& SetScale(float scaleX, float scaleY);
 
    Renderer& SetViewport(const Optional<Rect>& rect = NullOpt);
 
    bool TargetSupported() const;
 
    Optional<Rect> GetClipRect() const;
 
    Point GetLogicalSize() const;
 
    int GetLogicalWidth() const;
 
    int GetLogicalHeight() const;
 
    void GetScale(float& scalex, float& scaley) const;
 
    float GetXScale() const;
 
    float GetYScale() const;
 
    Rect GetViewport() const;
 
    SDL_BlendMode GetDrawBlendMode() const;
 
    Color GetDrawColor() const;
 
    void GetDrawColor(Uint8& r, Uint8& g, Uint8& b, Uint8& a) const;
 
    Point GetOutputSize() const;
 
    int GetOutputWidth() const;
 
    int GetOutputHeight() const;
};
 
}
 
#endif