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//===============================================================
// vbrush.cxx: vBrush class for drawing - Windows
//
// Copyright (C) 1995,1996, 1997, 1998 Bruce E. Wampler
//
// This file is part of the V C++ GUI Framework, and is covered
// under the terms of the GNU Library General Public License,
// Version 2. This library has NO WARRANTY. See the source file
// vapp.cxx for more complete information about license terms.
//===============================================================
#include <v/vwin32.h> // for Win 32 stuff
#include <v/vapp.h>
#include <v/vbrush.h>
//=======================>>> vBrush::vBrush <<<===========================
vBrush::vBrush(unsigned int r, unsigned int g, unsigned int b,
int style, int fillMode)
{
brushColor._r = (unsigned char) r;
brushColor._g = (unsigned char) g;
brushColor._b = (unsigned char) b;
brushColor._pixel = RGB(r,g,b);
brushStyle = style;
brushFillMode = fillMode;
_created = 0; _hbrush = 0;
}
//=======================>>> vBrush::~vBrush <<<===========================
vBrush::~vBrush()
{
if (_created)
::DeleteObject(_hbrush);
}
//=====================>>> vBrush::vBrush <<<===========================
vBrush::vBrush(const vBrush& p)
{
// Copy constructor - needs to delete object if already
// created, and copy the values as needed
if (_created)
::DeleteObject(_hbrush);
_created = 0;
_hbrush = 0;
brushColor = p.brushColor;
brushFillMode = p.brushFillMode;
brushStyle = p.brushStyle;
}
//=====================>>> vBrush::operator= <<<===========================
vBrush& vBrush::operator =(const vBrush& p)
{
if (this == &p) // assigning to self
{
return *this;
}
// now just like a copy constructor
if (_created)
::DeleteObject(_hbrush);
_created = 0;
_hbrush = 0;
brushColor = p.brushColor;
brushFillMode = p.brushFillMode;
brushStyle = p.brushStyle;
return *this; // allow r to l multiple assignment
}
//=====================>>> vBrush::SetStyle <<<===========================
void vBrush::SetStyle(int style)
{
if (style == brushStyle)
return; // no change
brushStyle = style;
if (_created)
{
::DeleteObject(_hbrush);
_hbrush = 0; _created = 0;
}
}
//=====================>>> vBrush::SetFillMode <<<===========================
void vBrush::SetFillMode(int fm)
{
if (fm == brushFillMode)
return; // no change
brushFillMode = fm;
if (_created)
{
::DeleteObject(_hbrush);
_hbrush = 0; _created = 0;
}
}
//=====================>>> vBrush::SetColor <<<===========================
void vBrush::SetColor(vColor c)
{
if (c == brushColor)
return; // no change
brushColor = c;
if (_created)
{
::DeleteObject(_hbrush);
_hbrush = 0; _created = 0;
}
}
//=====================>>> vBrush::SetColor <<<===========================
void vBrush::SetColor(unsigned int r, unsigned int g, unsigned int b)
{
if (brushColor.r() == r && brushColor.g() == g && brushColor.b() == b)
return; // no change
brushColor.Set(r,g,b);
if (_created)
{
::DeleteObject(_hbrush);
_hbrush = 0; _created = 0;
}
}
//=====================>>> vBrush::GetHBRUSH <<<===========================
HBRUSH vBrush::GetHBRUSH() VCONST
{
if (! _created)
{
switch (brushStyle)
{
case vSolid:
_hbrush = ::CreateSolidBrush(brushColor._pixel);
break;
case vTransparent:
{
LOGBRUSH lb;
lb.lbStyle = BS_NULL;
lb.lbColor = 0;
lb.lbHatch = 0;
_hbrush = ::CreateBrushIndirect(&lb);
break;
}
case vHorizontalHatch:
_hbrush = ::CreateHatchBrush(HS_HORIZONTAL,brushColor._pixel);
break;
case vVerticleHatch:
_hbrush = ::CreateHatchBrush(HS_VERTICAL,brushColor._pixel);
break;
case vLeftDiagonalHatch:
_hbrush = ::CreateHatchBrush(HS_FDIAGONAL,brushColor._pixel);
break;
case vRightDiagonalHatch:
_hbrush = ::CreateHatchBrush(HS_BDIAGONAL,brushColor._pixel);
break;
case vCrossHatch:
_hbrush = ::CreateHatchBrush(HS_CROSS,brushColor._pixel);
break;
case vDiagonalCrossHatch:
_hbrush = ::CreateHatchBrush(HS_DIAGCROSS,brushColor._pixel);
break;
default:
_hbrush = ::CreateSolidBrush(brushColor._pixel);
break;
}
_created = 1;
}
return _hbrush; // return a created brush handle
}
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