mouse.cpp File Reference

#include "precomp.h"

Include dependency graph for mouse.cpp:

Go to the source code of this file.

Classes
struct	FreeSelTool
struct	RectSelTool
struct	GenericDrawTool
struct	RubberTool
struct	FillTool
struct	ColorTool
struct	ZoomTool
struct	PenTool
struct	BrushTool
struct	AirBrushTool
struct	TextTool
struct	LineTool
struct	BezierTool
struct	RectTool
struct	ShapeTool
struct	EllipseTool
struct	RRectTool

Functions
void	regularize (LONG x0, LONG y0, LONG &x1, LONG &y1)
void	roundTo8Directions (LONG x0, LONG y0, LONG &x1, LONG &y1)
BOOL	nearlyEqualPoints (INT x0, INT y0, INT x1, INT y1)
void	updateStartAndLast (LONG x, LONG y)
void	updateLast (LONG x, LONG y)

Function Documentation

nearlyEqualPoints()

BOOL nearlyEqualPoints	(	INT	x0,
		INT	y0,
		INT	x1,
		INT	y1
	)

Definition at line 47 of file mouse.cpp.

{
    INT cxThreshold = toolsModel.GetLineWidth() + UnZoomed(GetSystemMetrics(SM_CXDRAG));
    INT cyThreshold = toolsModel.GetLineWidth() + UnZoomed(GetSystemMetrics(SM_CYDRAG));
    return (abs(x1 - x0) <= cxThreshold) && (abs(y1 - y0) <= cyThreshold);
}

Referenced by ShapeTool::OnButtonUp().

regularize()

void regularize	(	LONG	x0,
		LONG	y0,
		LONG &	x1,
		LONG &	y1
	)

Definition at line 20 of file mouse.cpp.

{
    if (abs(x1 - x0) >= abs(y1 - y0))
        y1 = y0 + (y1 > y0 ? abs(x1 - x0) : -abs(x1 - x0));
    else
        x1 = x0 + (x1 > x0 ? abs(y1 - y0) : -abs(y1 - y0));
}

Referenced by RectTool::draw(), EllipseTool::draw(), and RRectTool::draw().

roundTo8Directions()

void roundTo8Directions	(	LONG	x0,
		LONG	y0,
		LONG &	x1,
		LONG &	y1
	)

Definition at line 29 of file mouse.cpp.

{
    if (abs(x1 - x0) >= abs(y1 - y0))
    {
        if (abs(y1 - y0) * 5 < abs(x1 - x0) * 2)
            y1 = y0;
        else
            y1 = y0 + (y1 > y0 ? abs(x1 - x0) : -abs(x1 - x0));
    }
    else
    {
        if (abs(x1 - x0) * 5 < abs(y1 - y0) * 2)
            x1 = x0;
        else
            x1 = x0 + (x1 > x0 ? abs(y1 - y0) : -abs(y1 - y0));
    }
}

Referenced by LineTool::draw(), ShapeTool::OnButtonUp(), and ShapeTool::OnMouseMove().

updateLast()

void updateLast	(	LONG	x,
		LONG	y
	)

Definition at line 60 of file mouse.cpp.

{
    last.x = x;
    last.y = y;
}

Referenced by ToolsModel::OnButtonUp(), and ToolsModel::OnMouseMove().

updateStartAndLast()

void updateStartAndLast	(	LONG	x,
		LONG	y
	)

Definition at line 54 of file mouse.cpp.

{
    start.x = last.x = x;
    start.y = last.y = y;
}

Referenced by ToolsModel::OnButtonDown().