display Class Reference

#include <display.hpp>

Collaboration diagram for display:

[legend]

List of all members.

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Detailed Description

This class represents a screen on which to draw.

Definition at line 57 of file display.hpp.

Public Member Functions
	display (const int &width, const int &height, bool is_console=false)
void	draw_2d_text (const gsgl::real_t x, const gsgl::real_t y, font *f, const gsgl::string &str)
	Draws text at the given screen coordinates.
void	draw_3d_text (const math::vector &p, font *f, const gsgl::string &str, const gsgl::real_t x_offset=0, const gsgl::real_t y_offset=0)
	Draws text at the given world coordinates.
void	draw_text_start ()
	Sets up an orthogonal view frustum for drawing text.
void	draw_text_stop ()
	Tears down the orthogonal view frustum for drawing text.
gsgl::real_t	get_aspect_ratio () const
int	get_height () const
int	get_width () const
void	record_3d_text_info ()
	Records the 3D modelview, projection and viewport information for subsequent calls to draw_3d_text().
virtual	~display ()
Static Public Member Functions
static void	draw_rectangle (float x1, float y1, float x2, float y2, float s1=0, float t1=0, float s2=1, float t2=1)
	Draws a possibly textured rectangle (a suitable projection must already be set up).
Static Public Attributes
static data::config_variable< int >	DISPLAY_HEIGHT
static data::config_variable< int >	DISPLAY_WIDTH
Private Member Functions
void	center_console_window (const int &width, const int &height)
Private Attributes
bool	is_console
struct SDL_Surface *	surface
math::transform	text_draw_modelview
math::transform	text_draw_pm
math::transform	text_draw_projection
int	text_draw_viewport [4]

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Constructor & Destructor Documentation

display	(	const int &	width,
		const int &	height,
		bool	is_console = false
	)

Definition at line 54 of file display.cpp.

References display::center_console_window(), gsgl::platform::init_extensions(), and display::surface.

~display

(

)

[virtual]

Definition at line 92 of file display.cpp.

References display::is_console, and display::surface.

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Member Function Documentation

void center_console_window	(	const int &	width,
		const int &	height
	)			[private]

Definition at line 205 of file display.cpp.

Referenced by display::display().

void draw_2d_text	(	const gsgl::real_t	x,
		const gsgl::real_t	y,
		font *	f,
		const gsgl::string &	str
	)

Draws text at the given screen coordinates.

Definition at line 168 of file display.cpp.

References CHECK_GL_ERRORS, and font::draw().

Referenced by display::draw_3d_text(), and application::draw_budget().

void draw_3d_text	(	const math::vector &	p,
		font *	f,
		const gsgl::string &	str,
		const gsgl::real_t	x_offset = 0,
		const gsgl::real_t	y_offset = 0
	)

Draws text at the given world coordinates.

Definition at line 177 of file display.cpp.

References display::draw_2d_text(), vector::get_x(), vector::get_y(), vector::get_z(), display::text_draw_pm, and display::text_draw_viewport.

Referenced by stellar_db::draw(), and celestial_body::draw_name().

void draw_rectangle	(	float	x1,
		float	y1,
		float	x2,
		float	y2,
		float	s1 = 0,
		float	t1 = 0,
		float	s2 = 1,
		float	t2 = 1
	)			[static]

Draws a possibly textured rectangle (a suitable projection must already be set up).

Operates in the current OpenGL context, not in any particular display.

Definition at line 115 of file display.cpp.

References CHECK_GL_ERRORS.

Referenced by widget::draw(), widget::draw_box(), and application::draw_splash_screen().

void draw_text_start

(

)

Sets up an orthogonal view frustum for drawing text.

Definition at line 153 of file display.cpp.

References CHECK_GL_ERRORS, and display::surface.

Referenced by stellar_db::draw(), simulation::draw(), application::draw_budget(), and celestial_body::draw_name().

void draw_text_stop

(

)

Tears down the orthogonal view frustum for drawing text.

Definition at line 193 of file display.cpp.

References CHECK_GL_ERRORS.

Referenced by stellar_db::draw(), simulation::draw(), application::draw_budget(), and celestial_body::draw_name().

gsgl::real_t get_aspect_ratio

(

)

const

Definition at line 109 of file display.cpp.

References display::surface.

Referenced by coord_system::draw(), stellar_db::draw(), star::draw(), sph_qt_node::draw(), large_rocky_body::draw(), celestial_body::draw(), celestial_body::draw_name(), node::draw_scene(), and large_lithosphere::update().

int get_height

(

)

const

Definition at line 103 of file display.cpp.

References display::surface.

Referenced by simulation::draw(), large_rocky_body::draw(), celestial_body::draw(), node::draw_scene(), application::draw_splash_screen(), application::handle_ui_event(), periapsis_app::init(), spherical_quadtree::node_radius(), application::run(), and large_lithosphere::update().

int get_width

(

)

const

Definition at line 98 of file display.cpp.

References display::surface.

Referenced by node::draw_scene(), application::draw_splash_screen(), periapsis_app::init(), and application::run().

void record_3d_text_info

(

)

Records the 3D modelview, projection and viewport information for subsequent calls to draw_3d_text().

Definition at line 144 of file display.cpp.

References CHECK_GL_ERRORS, matrix::ptr(), display::text_draw_modelview, display::text_draw_pm, display::text_draw_projection, and display::text_draw_viewport.

Referenced by stellar_db::draw(), and celestial_body::draw_name().

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Member Data Documentation

config_variable< int > DISPLAY_HEIGHT [static]

Definition at line 72 of file display.hpp.

Referenced by application::application().

config_variable< int > DISPLAY_WIDTH [static]

Definition at line 71 of file display.hpp.

Referenced by application::application().

bool is_console [private]

Definition at line 60 of file display.hpp.

Referenced by display::~display().

struct SDL_Surface* surface [read, private]

Definition at line 59 of file display.hpp.

Referenced by display::display(), display::draw_text_start(), display::get_aspect_ratio(), display::get_height(), display::get_width(), and display::~display().

math::transform text_draw_modelview [private]

Definition at line 62 of file display.hpp.

Referenced by display::record_3d_text_info().

math::transform text_draw_pm [private]

Definition at line 64 of file display.hpp.

Referenced by display::draw_3d_text(), and display::record_3d_text_info().

math::transform text_draw_projection [private]

Definition at line 63 of file display.hpp.

Referenced by display::record_3d_text_info().

int text_draw_viewport[4] [private]

Definition at line 65 of file display.hpp.

Referenced by display::draw_3d_text(), and display::record_3d_text_info().

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The documentation for this class was generated from the following files:

• display.hpp
• display.cpp