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CFracWnd Class Reference

This is a derived CWnd class which is used to display the fractal image. More...

#include <FracWnd.h>

List of all members.

Public Methods
	CFracWnd ()
void	set_image (FractalImage *)
virtual	~CFracWnd ()
Protected Methods
afx_msg void	OnPaint ()
afx_msg void	OnLButtonDown (UINT nFlags, CPoint point)
afx_msg void	OnLButtonUp (UINT nFlags, CPoint point)
afx_msg void	OnMouseMove (UINT nFlags, CPoint point)
afx_msg void	OnSize (UINT nType, int cx, int cy)
Private Methods
void	update_bitmap (void)
void	construct (CDC *p_dc, int width, int height)
	Creates a cached image of the given size (in pixels), for drawing into the given CDC.
void	draw_cbitmap (CDC *p_dc, const CRect &image_rect_v, HBITMAP bitmap, DWORD rasterop)
	Draws the image into the given DC.
void	zoom_in (const CRect &)
	Sets the view transform to show the given rectangle in window space (which has (0,0) at top left).
Private Attributes
FractalImage *	m_image
	Image being shown.
HBITMAP	m_rgb_bitmap
	Offscreen image in which RGB pixel values are set.
CPoint	m_mouse_down
CPoint	m_mouse_curr
bool	m_in_drag

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Detailed Description

This is a derived CWnd class which is used to display the fractal image.

This window fills the entire client area of the frame window (CMainFrame).

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Constructor & Destructor Documentation

CFracWnd::CFracWnd (    )

CFracWnd::~CFracWnd (    )  [virtual]

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Member Function Documentation

void CFracWnd::construct (  CDC *    p_dc, int    width, int    height )  [private]

Creates a cached image of the given size (in pixels), for drawing into the given CDC.

void CFracWnd::draw_cbitmap (  CDC *    p_dc, const CRect &    image_rect_v, HBITMAP    bitmap, DWORD    rasterop )  [private]

Draws the image into the given DC. Parameters: image_rect_v  The rectangle into which the image should be fitted,

void CFracWnd::OnLButtonDown (  UINT    nFlags, CPoint    point )  [protected]

void CFracWnd::OnLButtonUp (  UINT    nFlags, CPoint    point )  [protected]

void CFracWnd::OnMouseMove (  UINT    nFlags, CPoint    point )  [protected]

void CFracWnd::OnPaint (    )  [protected]

void CFracWnd::OnSize (  UINT    nType, int    cx, int    cy )  [protected]

void CFracWnd::set_image (  FractalImage *    )

void CFracWnd::update_bitmap (  void    )  [private]

void CFracWnd::zoom_in (  const CRect &    zoom_rect )  [private]

Sets the view transform to show the given rectangle in window space (which has (0,0) at top left).

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Member Data Documentation

FractalImage* CFracWnd::m_image [private]

Image being shown.

bool CFracWnd::m_in_drag [private]

CPoint CFracWnd::m_mouse_curr [private]

CPoint CFracWnd::m_mouse_down [private]

HBITMAP CFracWnd::m_rgb_bitmap [private]

Offscreen image in which RGB pixel values are set.

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

• FracWnd.h
• FracWnd.cpp

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