video.hpp File Reference

#include "exceptions.hpp"
#include "lua_jailbreak_exception.hpp"
#include "sdl/point.hpp"
#include "sdl/rect.hpp"
#include "sdl/texture.hpp"
#include <SDL2/SDL_render.h>
#include <vector>

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Classes
struct	video::error
	An error specifically indicating video subsystem problems. More...
class	video::quit
	Type that can be thrown as an exception to quit to desktop. More...

Namespaces
	video

Enumerations
enum class	video::fake { video::none , video::no_window , video::no_draw , video::hide_window }
	For describing the type of faked display, if any. More...

Functions
void	video::init (fake fake_type=fake::none)
	Initialize the video subsystem. More...
void	video::deinit ()
	Deinitialize the video subsystem. More...
void	video::update_buffers (bool autoupdate=true)
	Update buffers to match current resolution and pixel scale settings. More...
bool	video::headless ()
	The game is running headless. More...
bool	video::testing ()
	The game is running unit tests. More...
bool	video::has_window ()
	Whether the game has set up a window to render into. More...
bool	video::is_fullscreen ()
	Whether we are currently in fullscreen mode. More...
void	video::set_fullscreen (bool)
	Set the fullscreen state. More...
void	video::toggle_fullscreen ()
	Toggle fullscreen mode. More...
bool	video::set_resolution (const point &resolution)
	Set the window resolution. More...
point	video::current_resolution ()
	The current window size in desktop coordinates. More...
std::vector< point >	video::get_available_resolutions (bool include_current=false)
	Returns the list of available screen resolutions. More...
std::string	video::current_driver ()
	The current video driver in use, or else "<not initialized>". More...
std::vector< std::string >	video::enumerate_drivers ()
	A list of available video drivers. More...
int	video::current_refresh_rate ()
	The refresh rate of the screen. More...
int	video::native_refresh_rate ()
	The native refresh rate of display, not taking any user preferences into account. More...
bool	video::window_is_visible ()
	True iff the window is not hidden. More...
bool	video::window_has_focus ()
	True iff the window has mouse or input focus. More...
bool	video::window_has_mouse_focus ()
	True iff the window has mouse focus. More...
void	video::set_window_title (const std::string &title)
	Sets the title of the main window. More...
void	video::set_window_icon (surface &icon)
	Sets the icon of the main window. More...
rect	video::game_canvas ()
	The game canvas area, in drawing coordinates. More...
point	video::game_canvas_size ()
	The size of the game canvas, in drawing coordinates / game pixels. More...
point	video::draw_size ()
	The size of the current render target in drawing coordinates. More...
rect	video::draw_area ()
	The current drawable area. More...
point	video::output_size ()
	Returns the size of the final render target. More...
rect	video::output_area ()
	{0, 0, output_size().x, output_size().y} More...
point	video::window_size ()
	Returns the size of the window in display units / screen coordinates. More...
rect	video::input_area ()
	Returns the input area of the window, in display coordinates. More...
int	video::get_pixel_scale ()
	Get the current active pixel scale multiplier. More...
rect	video::to_output (const rect &draw_space_rect)
	Convert coordinates in draw space to coordinates in render space. More...
surface	video::read_pixels (SDL_Rect *r=nullptr)
	Copy back a portion of the render target that is already drawn. More...
surface	video::read_pixels_low_res (SDL_Rect *r=nullptr)
	The same as read_pixels, but returns a low-resolution surface suitable for use with the old drawing system. More...
void	video::force_render_target (const texture &t)
	Set the render target, without any provided way of setting it back. More...
void	video::clear_render_target ()
	Reset the render target to the main window / screen. More...
void	video::reset_render_target ()
	Reset the render target to the primary render buffer. More...
texture	video::get_render_target ()
	Get the current render target. More...
std::vector< std::pair< std::string, std::string > >	video::renderer_report ()
	Provides diagnostic information about the current renderer for the build_info API. More...
std::pair< float, float >	video::get_dpi ()
	Retrieves the current game screen DPI for the build_info API. More...
SDL_Renderer *	video::get_renderer ()
SDL_Window *	video::get_window ()