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ZoomGraphicContext Class Reference

#include <zoom_graphic_context.hxx>

Inheritance diagram for ZoomGraphicContext:

[legend]Collaboration diagram for ZoomGraphicContext:


Public Member Functions
	ZoomGraphicContext ()
	ZoomGraphicContext (int x1_, int y1_, int x2_, int y2_)
void	set_clip_rect (int x1_, int y1_, int x2_, int y2_)
void	lock ()
void	unlock ()
void	draw_lines (std::vector< Line > &lines, Color color, int wide=0)
void	draw_line (float x1, float y1, float x2, float y2, Color color, int wide=0)
void	draw_rect (float x1, float y1, float x2, float y2, Color color)
void	draw_circle (float x, float y, float r, Color color)
void	draw_circles (std::vector< Circle > &circles, Color color)
void	draw_fill_circle (float x, float y, float r, Color color)
void	draw_fill_rect (float x1, float y1, float x2, float y2, Color color)
void	draw_string (float x, float y, const std::string &str, Color color=Color(0xFFFFFFFF))
void	draw_string_centered (float x, float y, const std::string &str, Color color=Color(0xFFFFFFFF))
int	get_width ()
int	get_height ()
void	clear ()
void	flip ()
void	set_parent_gc (GraphicContext *gc)
bool	zoom_in (int x, int y)
bool	zoom_out (int x, int y)
void	zoom_to (int x1, int y1, int x2, int y2)
GraphicContext *	get_parent_gc ()
void	translate_offset (int x, int y)
void	set_offset (float x, float y)
void	move_to (float x, float y)
float	get_x_offset ()
float	get_y_offset ()
float	get_zoom () const
bool	set_zoom (const float &z)
float	screen_to_world_x (float)
float	screen_to_world_y (float)
float	world_to_screen_x (float)
float	world_to_screen_y (float)
Vector2d	screen_to_world (const Vector2d &)
Vector2d	world_to_screen (const Vector2d &)
void	flip (int x1, int y1, int x2, int y2)

Detailed Description

A GraphicContext, that wraps another GraphicContext and adds coordinate translation like zoom and scrolling

Definition at line 28 of file zoom_graphic_context.hxx.

Constructor & Destructor Documentation

ZoomGraphicContext::ZoomGraphicContext ( )

Definition at line 26 of file zoom_graphic_context.cxx.
References GraphicContext::get_height(), GraphicContext::get_width(), and graphic_context.

ZoomGraphicContext::ZoomGraphicContext ( int x1_,

int y1_,

int x2_,

int y2_

)

Definition at line 38 of file zoom_graphic_context.cxx.

Member Function Documentation

void ZoomGraphicContext::clear ( ) [inline, virtual]

Implements GraphicContext.
Definition at line 69 of file zoom_graphic_context.hxx.
References GraphicContext::clear().

void ZoomGraphicContext::draw_circle ( float x,

float y,

float r,

Color color

) [virtual]

Implements GraphicContext.
Definition at line 153 of file zoom_graphic_context.cxx.
References GraphicContext::draw_circle(), world_to_screen_x(), and world_to_screen_y().

void ZoomGraphicContext::draw_circles ( std::vector< Circle > & circles,

Color color

) [virtual]

Implements GraphicContext.
Definition at line 140 of file zoom_graphic_context.cxx.
References GraphicContext::draw_circles(), Math::max(), and world_to_screen_x().

void ZoomGraphicContext::draw_fill_circle ( float x,

float y,

float r,

Color color

) [virtual]

Implements GraphicContext.
Definition at line 162 of file zoom_graphic_context.cxx.
References GraphicContext::draw_fill_circle(), world_to_screen_x(), and world_to_screen_y().

void ZoomGraphicContext::draw_fill_rect ( float x1,

float y1,

float x2,

float y2,

Color color

) [virtual]

Implements GraphicContext.
Definition at line 171 of file zoom_graphic_context.cxx.
References GraphicContext::draw_fill_rect(), world_to_screen_x(), and world_to_screen_y().
Referenced by WorldViewSelectTool::draw_foreground().

void ZoomGraphicContext::draw_line ( float x1,

float y1,

float x2,

float y2,

Color color,

int wide = 0

) [virtual]

Implements GraphicContext.
Definition at line 120 of file zoom_graphic_context.cxx.
References GraphicContext::draw_line(), world_to_screen_x(), and world_to_screen_y().
Referenced by WorldViewComponent::draw(), WorldButton::draw(), and Particle::draw_velocity_vector().

void ZoomGraphicContext::draw_lines ( std::vector< Line > & lines,

Color color,

int wide = 0

) [virtual]

Implements GraphicContext.
Definition at line 107 of file zoom_graphic_context.cxx.
References GraphicContext::draw_lines(), world_to_screen_x(), and world_to_screen_y().
Referenced by World::draw_springs().

void ZoomGraphicContext::draw_rect ( float x1,

float y1,

float x2,

float y2,

Color color

) [virtual]

Implements GraphicContext.
Definition at line 130 of file zoom_graphic_context.cxx.
References GraphicContext::draw_rect(), world_to_screen_x(), and world_to_screen_y().
Referenced by WorldViewZoomTool::draw_foreground(), and WorldViewSelectTool::draw_foreground().

void ZoomGraphicContext::draw_string ( float x,

float y,

const std::string & str,

Color color = Color(0xFFFFFFFF)

) [virtual]

Implements GraphicContext.
Definition at line 190 of file zoom_graphic_context.cxx.
References GraphicContext::draw_string(), world_to_screen_x(), and world_to_screen_y().

void ZoomGraphicContext::draw_string_centered ( float x,

float y,

const std::string & str,

Color color = Color(0xFFFFFFFF)

) [virtual]

Implements GraphicContext.
Definition at line 181 of file zoom_graphic_context.cxx.
References GraphicContext::draw_string_centered(), world_to_screen_x(), and world_to_screen_y().

void ZoomGraphicContext::flip ( int x1,

int y1,

int x2,

int y2

) [virtual]

Implements GraphicContext.
Definition at line 276 of file zoom_graphic_context.cxx.

void ZoomGraphicContext::flip ( ) [inline, virtual]

FIXME: flip should be handled outsite of GraphicContext
Implements GraphicContext.
Definition at line 72 of file zoom_graphic_context.hxx.
References GraphicContext::flip().

int ZoomGraphicContext::get_height ( ) [virtual]

Implements GraphicContext.
Definition at line 343 of file zoom_graphic_context.cxx.
Referenced by WorldButton::draw(), move_to(), and zoom_to().

GraphicContext* ZoomGraphicContext::get_parent_gc ( ) [inline]

Allows a client application to make use of the partent GC in case it wants to draw elements which should not get scaled
Definition at line 82 of file zoom_graphic_context.hxx.
Referenced by Particle::draw(), WorldViewSelectTool::draw_foreground(), Particle::draw_highlight(), and Particle::draw_infos().

int ZoomGraphicContext::get_width ( ) [virtual]

Implements GraphicContext.
Definition at line 337 of file zoom_graphic_context.cxx.
Referenced by WorldButton::draw(), move_to(), and zoom_to().

float ZoomGraphicContext::get_x_offset ( ) [inline]

Definition at line 92 of file zoom_graphic_context.hxx.
Referenced by WorldViewComponent::on_tertiary_button_press().

float ZoomGraphicContext::get_y_offset ( ) [inline]

Definition at line 93 of file zoom_graphic_context.hxx.
Referenced by WorldViewComponent::on_tertiary_button_press().

float ZoomGraphicContext::get_zoom ( ) const [inline]

Definition at line 95 of file zoom_graphic_context.hxx.
Referenced by WorldViewSelectTool::draw_foreground(), WorldViewComponent::get_zoom(), WorldViewSelectTool::on_mouse_move(), and WorldViewComponent::on_mouse_move().

void ZoomGraphicContext::lock ( )

Sets the clipping rectangles needed for the GC
Definition at line 57 of file zoom_graphic_context.cxx.
References GraphicContext::set_clip_rect().
Referenced by WorldButton::draw().

void ZoomGraphicContext::move_to ( float x,

float y

)

Move to the given x and y world coordinates
Definition at line 255 of file zoom_graphic_context.cxx.
References get_height(), and get_width().

Vector2d ZoomGraphicContext::screen_to_world ( const Vector2d & )

Definition at line 69 of file zoom_graphic_context.cxx.
References Vector2d::x, and Vector2d::y.
Referenced by WorldViewColliderTool::draw_background(), WorldViewInsertTool::draw_foreground(), WorldViewColliderTool::draw_foreground(), WorldViewSelectTool::on_button_press(), WorldViewColliderTool::on_mouse_move(), WorldViewColliderTool::on_primary_button_press(), WorldViewColliderTool::on_primary_button_release(), and WorldViewSelectTool::on_secondary_button_press().

float ZoomGraphicContext::screen_to_world_x ( float )

Definition at line 83 of file zoom_graphic_context.cxx.
Referenced by WorldViewInsertTool::draw_background(), WorldViewZoomTool::draw_foreground(), WorldViewSelectTool::draw_foreground(), WorldViewInsertTool::draw_foreground(), WorldViewInsertTool::on_delete_press(), WorldViewInsertTool::on_fix_press(), WorldViewZoomTool::on_primary_button_press(), WorldViewSelectTool::on_primary_button_press(), WorldViewInsertTool::on_primary_button_press(), WorldViewZoomTool::on_primary_button_release(), WorldViewComponent::on_tertiary_button_press(), zoom_in(), and zoom_out().

float ZoomGraphicContext::screen_to_world_y ( float )

Definition at line 89 of file zoom_graphic_context.cxx.
Referenced by WorldViewInsertTool::draw_background(), WorldViewZoomTool::draw_foreground(), WorldViewSelectTool::draw_foreground(), WorldViewInsertTool::draw_foreground(), WorldViewInsertTool::on_delete_press(), WorldViewInsertTool::on_fix_press(), WorldViewZoomTool::on_primary_button_press(), WorldViewSelectTool::on_primary_button_press(), WorldViewInsertTool::on_primary_button_press(), WorldViewZoomTool::on_primary_button_release(), WorldViewComponent::on_tertiary_button_press(), zoom_in(), and zoom_out().

void ZoomGraphicContext::set_clip_rect ( int x1_,

int y1_,

int x2_,

int y2_

) [virtual]

Implements GraphicContext.
Definition at line 51 of file zoom_graphic_context.cxx.
References GraphicContext::set_clip_rect().

void ZoomGraphicContext::set_offset ( float x,

float y

)

Definition at line 269 of file zoom_graphic_context.cxx.
Referenced by GUIChildManager::draw(), and WorldViewComponent::on_mouse_move().

void ZoomGraphicContext::set_parent_gc ( GraphicContext * gc )

Definition at line 199 of file zoom_graphic_context.cxx.
Referenced by WorldViewComponent::draw(), WorldButton::draw(), and GUIChildManager::draw().

bool ZoomGraphicContext::set_zoom ( const float & z )

Set the zoom factor, if zoom is to large/small false will returned and zoom will be set to lowest/highest possible value
Definition at line 286 of file zoom_graphic_context.cxx.
Referenced by zoom_in(), zoom_out(), and zoom_to().

void ZoomGraphicContext::translate_offset ( int x,

int y

)

Move the current position relativly x/y width
Definition at line 262 of file zoom_graphic_context.cxx.
Referenced by WorldViewComponent::scroll_down(), WorldViewComponent::scroll_left(), WorldViewComponent::scroll_right(), and WorldViewComponent::scroll_up().

void ZoomGraphicContext::unlock ( )

Resets the clipping to the old state
Definition at line 63 of file zoom_graphic_context.cxx.
References GraphicContext::get_height(), GraphicContext::get_width(), and GraphicContext::set_clip_rect().
Referenced by WorldButton::draw().

Vector2d ZoomGraphicContext::world_to_screen ( const Vector2d & )

Definition at line 76 of file zoom_graphic_context.cxx.
References Vector2d::x, and Vector2d::y.
Referenced by Particle::draw(), WorldViewSelectTool::draw_foreground(), Particle::draw_highlight(), and Particle::draw_infos().

float ZoomGraphicContext::world_to_screen_x ( float )

Definition at line 95 of file zoom_graphic_context.cxx.
Referenced by draw_circle(), draw_circles(), draw_fill_circle(), draw_fill_rect(), draw_line(), draw_lines(), draw_rect(), draw_string(), and draw_string_centered().

float ZoomGraphicContext::world_to_screen_y ( float )

Definition at line 101 of file zoom_graphic_context.cxx.
Referenced by draw_circle(), draw_fill_circle(), draw_fill_rect(), draw_line(), draw_lines(), draw_rect(), draw_string(), and draw_string_centered().

bool ZoomGraphicContext::zoom_in ( int x,

int y

)

Definition at line 205 of file zoom_graphic_context.cxx.
References screen_to_world_x(), screen_to_world_y(), and set_zoom().
Referenced by WorldViewComponent::wheel_up().

bool ZoomGraphicContext::zoom_out ( int x,

int y

)

Definition at line 231 of file zoom_graphic_context.cxx.
References screen_to_world_x(), screen_to_world_y(), and set_zoom().
Referenced by WorldViewComponent::draw(), and WorldViewComponent::wheel_down().

void ZoomGraphicContext::zoom_to ( int x1,

int y1,

int x2,

int y2

)

Definition at line 309 of file zoom_graphic_context.cxx.
References get_height(), get_width(), and set_zoom().
Referenced by WorldViewComponent::draw(), WorldButton::draw(), and WorldViewZoomTool::on_primary_button_release().

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ZoomGraphicContext Class Reference

Public Member Functions

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation