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Added the trunk/branches/tags directories at repository root, and moved previous root into trunk/

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git-svn-id: https://sfml.svn.sourceforge.net/svnroot/sfml/trunk@1002 4e206d99-4929-0410-ac5d-dfc041789085
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laurentgom 2009-01-28 16:18:34 +00:00
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DSFML/import/dsfml/graphics/view.d Normal file
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/*
* DSFML - SFML Library binding in D language.
* Copyright (C) 2008 Julien Dagorn (sirjulio13@gmail.com)
*
* 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.
*/
module dsfml.graphics.view;
import dsfml.graphics.rect;
import dsfml.system.common;
import dsfml.system.vector2;
/**
* This class defines a view (position, size and zoom) ;
* you can consider it as a camera
*/
class View : DSFMLObject
{
/**
* Constructor
*
* Default view (1000 x 1000)
*/
this()
{
super(sfView_Create());
}
/**
* Constructor
*
* Params:
* center = center of the view
* halfsize = Half-size of the view (from center to corner)
*/
this(Vector2f center, Vector2f halfsize)
{
super(sfView_CreateFromRect(sfFloatRect(center.x - halfsize.x, center.y - halfsize.y, center.x + halfsize.x, center.y + halfsize.y) ));
}
/**
* Constructor
*
* Params:
* rect = Rectangle defining the position and size of the view
*/
this(FloatRect rect)
{
super(sfView_CreateFromRect(rect.toCFloatRect()));
}
override void dispose()
{
sfView_Destroy(m_ptr);
}
/**
* Change the center of the view
*
* Params:
* x = X coordinates of the new center
* y = Y coordinates of the new center
*/
void setCenter(float x, float y)
{
sfView_SetCenter(m_ptr, x, y);
m_isModified = true;
}
/**
* Change the center of the view
*
* Params:
* center = New center
*/
void setCenter(Vector2f center)
{
sfView_SetCenter(m_ptr, center.x, center.y);
m_isModified = true;
}
/**
* Change the half-size of the view (take 2 values)
*
* Params:
* halfWidth = New half-width
* halfHeight = New half-height
*/
void setHalfSize(float halfWidth, float HalfHeight)
{
sfView_SetHalfSize(m_ptr, halfWidth, HalfHeight);
m_isModified = true;
}
/**
* Change the half-size of the view (take 2 values)
*
* Params:
* helfSize = New halfsize
*/
void setHalfSize(Vector2f halfSize)
{
sfView_SetHalfSize(m_ptr, halfSize.x, halfSize.y);
m_isModified = true;
}
/**
* Rebuild the view from a rectangle
*
* Params:
* viewRect : Rectangle defining the position and size of the view
*/
void setFromRect(FloatRect viewRect)
{
sfView_SetFromRect(m_ptr, viewRect.toCFloatRect());
m_rect = viewRect;
}
/**
* Get the center of the view
*
* Returns:
* Center of the view
*/
Vector2f GetCenter()
{
return Vector2f(sfView_GetCenterX(m_ptr), sfView_GetCenterY(m_ptr));
}
/**
* Get the halfsize of the view
*
* Returns:
* Halfsize of the view
*/
Vector2f GetHalfSize()
{
return Vector2f(sfView_GetHalfSizeX(m_ptr), sfView_GetHalfSizeY(m_ptr));
}
/**
* Get the bounding retangle of the view
*/
FloatRect getRect()
{
if (m_isModified)
{
m_isModified = false;
sfFloatRect cRect = sfView_GetRect(m_ptr);
m_rect = new FloatRect(cRect.Left, cRect.Top, cRect.Right, cRect.Bottom);
}
return m_rect;
}
/**
* Move the view
*
* Params:
* offsetX = Offset to move the view, on X axis
* offsetY = Offset to move the view, on Y axis
*/
void move(float offsetX, float offsetY)
{
sfView_Move(m_ptr, offsetX, offsetY);
m_isModified = true;
}
/**
* Move the view
*
* Params:
* offset = offsetto move the view
*/
void move(Vector2f offset)
{
sfView_Move(m_ptr, offset.x, offset.y);
m_isModified = true;
}
/**
* Resize the view rectangle to simulate a zoom / unzoom effect
*
* Params:
* factor = Zoom factor to apply, relative to the current zoom
*/
void zoom(float factor)
{
sfView_Zoom(m_ptr, factor);
m_isModified = true;
}
package:
this(void* ptr, bool preventDelete)
{
super(ptr, preventDelete);
}
private:
FloatRect m_rect;
bool m_isModified = true;
extern (C)
{
typedef void* function() pf_sfView_Create;
typedef void* function(sfFloatRect) pf_sfView_CreateFromRect;
typedef void function(void*) pf_sfView_Destroy;
typedef void function(void*, float, float) pf_sfView_SetCenter;
typedef void function(void*, float, float) pf_sfView_SetHalfSize;
typedef void function(void*, sfFloatRect ViewRect) pf_sfView_SetFromRect;
typedef float function(void*) pf_sfView_GetCenterX;
typedef float function(void*) pf_sfView_GetCenterY;
typedef float function(void*) pf_sfView_GetHalfSizeX;
typedef float function(void*) pf_sfView_GetHalfSizeY;
typedef sfFloatRect function(void*) pf_sfView_GetRect;
typedef void function(void*, float, float) pf_sfView_Move;
typedef void function(void*, float) pf_sfView_Zoom;
static pf_sfView_Create sfView_Create;
static pf_sfView_CreateFromRect sfView_CreateFromRect;
static pf_sfView_Destroy sfView_Destroy;
static pf_sfView_SetCenter sfView_SetCenter;
static pf_sfView_SetHalfSize sfView_SetHalfSize;
static pf_sfView_SetFromRect sfView_SetFromRect;
static pf_sfView_GetCenterX sfView_GetCenterX;
static pf_sfView_GetCenterY sfView_GetCenterY;
static pf_sfView_GetHalfSizeX sfView_GetHalfSizeX;
static pf_sfView_GetHalfSizeY sfView_GetHalfSizeY;
static pf_sfView_GetRect sfView_GetRect;
static pf_sfView_Move sfView_Move;
static pf_sfView_Zoom sfView_Zoom;
}
static this()
{
DllLoader dll = DllLoader.load("csfml-graphics");
sfView_Create = cast(pf_sfView_Create) dll.getSymbol("sfView_Create");
sfView_CreateFromRect = cast(pf_sfView_CreateFromRect) dll.getSymbol("sfView_CreateFromRect");
sfView_Destroy = cast(pf_sfView_Destroy) dll.getSymbol("sfView_Destroy");
sfView_SetCenter = cast(pf_sfView_SetCenter) dll.getSymbol("sfView_SetCenter");
sfView_SetHalfSize = cast(pf_sfView_SetHalfSize) dll.getSymbol("sfView_SetHalfSize");
sfView_SetFromRect = cast(pf_sfView_SetFromRect) dll.getSymbol("sfView_SetFromRect");
sfView_GetCenterX = cast(pf_sfView_GetCenterX) dll.getSymbol("sfView_GetCenterX");
sfView_GetCenterY = cast(pf_sfView_GetCenterY) dll.getSymbol("sfView_GetCenterY");
sfView_GetHalfSizeX = cast(pf_sfView_GetHalfSizeX) dll.getSymbol("sfView_GetHalfSizeX");
sfView_GetHalfSizeY = cast(pf_sfView_GetHalfSizeY) dll.getSymbol("sfView_GetHalfSizeY");
sfView_GetRect = cast(pf_sfView_GetRect) dll.getSymbol("sfView_GetRect");
sfView_Move = cast(pf_sfView_Move) dll.getSymbol("sfView_Move");
sfView_Zoom = cast(pf_sfView_Zoom) dll.getSymbol("sfView_Zoom");
}
}