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Finish documenting Renderer class

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This commit is contained in:
Dmitry Marakasov 2014-12-19 22:24:51 +03:00
parent ef56e5494b
commit e1cd806d0f
1 changed files with 102 additions and 25 deletions
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127
SDL2pp/Renderer.hh
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@ -55,7 +55,9 @@ public:
/// \brief Create renderer
///
/// \param window Window where rendering is displayed
/// \param index Index of the rendering driver to initialize, or -1 to initialize the first one supporting the requested flags
/// \param index Index of the rendering driver to initialize,
/// or -1 to initialize the first one supporting
/// the requested flags
/// \param flags 0 or more SDL_RendererFlags OR'ed together
///
////////////////////////////////////////////////////////////
@ -98,7 +100,8 @@ public:
SDL_Renderer* Get() const;
////////////////////////////////////////////////////////////
/// \brief Update the screen with any rendering performed since the previous call
/// \brief Update the screen with any rendering performed
/// since the previous call
///
/// \detail
/// SDL's rendering functions operate on a backbuffer; that
@ -125,43 +128,53 @@ public:
////////////////////////////////////////////////////////////
void Clear();
////////////////////////////////////////////////////////////
/// \brief Get information about a rendering context
///
/// \param info SDL_RendererInfo structure to be filled with
/// information about the current renderer
///
/// \see http://wiki.libsdl.org/SDL_GetRendererInfo
///
////////////////////////////////////////////////////////////
void GetInfo(SDL_RendererInfo* info);
////////////////////////////////////////////////////////////////////////////
/// \brief Copy a portion of the texture to the current rendering target
////////////////////////////////////////////////////////////
/// \brief Copy a portion of the texture to the current rendering
/// target
///
/// \param texture Source texture
/// \param srcrect Source rectangle, SDL2pp::Rect::Null() for the entire
/// texture
/// \param dstrect Destination rectangle, SDL2pp::Rect::Null() for the
/// entire rendering target
/// \param srcrect Source rectangle, SDL2pp::Rect::Null() for the
/// entire texture
/// \param dstrect Destination rectangle, SDL2pp::Rect::Null() for
/// the entire rendering target
///
/// \see http://wiki.libsdl.org/SDL_RenderCopy
///
////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
void Copy(Texture& texture, const Rect& srcrect = Rect::Null(), const Rect& dstrect = Rect::Null());
////////////////////////////////////////////////////////////////////////////
/// \brief Copy a portion of the texture to the current rendering target
/// with optional rotating or flipping
////////////////////////////////////////////////////////////
/// \brief Copy a portion of the texture to the current rendering
/// target with optional rotating or flipping
///
/// \param texture Source texture
/// \param srcrect Source rectangle, SDL2pp::Rect::Null() for the entire
/// texture
/// \param dstrect Destination rectangle, SDL2pp::Rect::Null() for the
/// entire rendering target
/// \param angle Angle in degrees that indicates the rotation that will be
/// applied to dstrect
/// \param center Point indicating the point around which dstrect will be
/// rotated (SDL2pp::Point::Null() to rotate around dstrect
/// center)
/// \param flip SDL_RendererFlip value stating which flipping actions should
/// be performed on the texture
/// \param srcrect Source rectangle, SDL2pp::Rect::Null() for the
/// entire texture
/// \param dstrect Destination rectangle, SDL2pp::Rect::Null() for
/// the entire rendering target
/// \param angle Angle in degrees that indicates the rotation that
/// will be applied to dstrect
/// \param center Point indicating the point around which dstrect
/// will be rotated (SDL2pp::Point::Null() to rotate
/// around dstrect center)
/// \param flip SDL_RendererFlip value stating which flipping
/// actions should be performed on the texture
///
/// \see http://wiki.libsdl.org/SDL_RendererFlip
/// \see http://wiki.libsdl.org/SDL_RenderCopyEx
///
////////////////////////////////////////////////////////////////////////////
////////////////////////////////////////////////////////////
void Copy(Texture& texture, const Rect& srcrect, const Rect& dstrect, double angle, const Point& center = Point::Null(), int flip = 0);
////////////////////////////////////////////////////////////
@ -188,7 +201,8 @@ public:
////////////////////////////////////////////////////////////
/// \brief Set current render target to specified texture
///
/// \param Target texture, SDL2pp::Texture created with SDL_TEXTUREACCESS_TARGET
/// \param texture Target texture, SDL2pp::Texture created with \
/// SDL_TEXTUREACCESS_TARGET
///
/// \see http://wiki.libsdl.org/SDL_SetRenderTarget
///
@ -363,13 +377,76 @@ public:
////////////////////////////////////////////////////////////
void FillRects(const Rect* rects, int count);
////////////////////////////////////////////////////////////
/// \brief Read pixels from the current rendering target
///
/// \param rect Area to read or SDL2pp::Rect::Null() for the
/// enditer render target
/// \param format Desired format of the pixel data, or 0 to
/// use the format of the rendering target
/// \param pixels Pointer to memory to be filled with pixel
/// data
/// \param pitch Pitch (row width) of the pixels parameter
///
/// \see http://wiki.libsdl.org/SDL_RenderReadPixels
///
////////////////////////////////////////////////////////////
void ReadPixels(const Rect& rect, Uint32 format, void* pixels, int pitch);
////////////////////////////////////////////////////////////
/// \brief Set the clipping rectange for rendering
///
/// \param rect New clipping rectangle or SDL2pp::Rect::Null()
/// to disable clipping
///
/// \see http://wiki.libsdl.org/SDL_RenderSetClipRect
///
////////////////////////////////////////////////////////////
void SetClipRect(const Rect& rect);
////////////////////////////////////////////////////////////
/// \brief Set a device independent resolution for rendering
///
/// \param w width of the logical resolution
/// \param h heigth of the logical resolution
///
/// \see http://wiki.libsdl.org/SDL_RenderSetLogicalSize
///
////////////////////////////////////////////////////////////
void SetLogicalSize(int w, int h);
////////////////////////////////////////////////////////////
/// \brief Set the drawing scale for rendering on the current target
///
/// \param scaleX Horizontal scaling factor
/// \param scaleY Vertical scaling factor
///
/// \see http://wiki.libsdl.org/SDL_RenderSetScale
///
////////////////////////////////////////////////////////////
void SetScale(float scaleX, float scaleY);
////////////////////////////////////////////////////////////
/// \brief Set the drawing area for rendering on the current target
///
/// \param rect Rectangle representing the drawing area or
/// SDL2pp::Rect::Null() toset the viewport to
/// the entire target
///
/// \see http://wiki.libsdl.org/SDL_RenderSetViewport
///
////////////////////////////////////////////////////////////
void SetViewport(const Rect& rect);
////////////////////////////////////////////////////////////
/// \brief Determine whether a window supports the use of
/// render targets
///
/// \returns true if render targets are supported
///
/// \see http://wiki.libsdl.org/SDL_RenderTargetSupported
///
////////////////////////////////////////////////////////////
bool TargetSupported();
};