private void BaseGradientUserControl_MouseDown(object sender, MouseEventArgs e)
{
if (e.Button == MouseButtons.Left)
{
bool bSel = _ColorBlendEx.MouseDown(e.Location);
if (bSel)
{
SolidUserCtrl.color = _ColorBlendEx.GetSelected().Color;
}
if (SolidUserCtrl == null)
{
return;
}
if (!bSel && ClientRect.Contains(e.Location)) //添加一个新的颜色
{
ColorFloat cf = new ColorFloat(SolidUserCtrl.color, (e.X - ClientRect.X) / (float)ClientRect.Width);
cf.Selected = true;
_ColorBlendEx.Add(cf, ClientRect);
_ColorBlendEx.Redraw();
}
Invalidate();
_bLeftDown = true;
}
}
bool _isDelete = false; //是否删除过
private void BaseGradientUserControl_MouseMove(object sender, MouseEventArgs e)
{
if (!_bLeftDown)
{
return;
}
_ColorBlendEx.MouseMove(e.Location);
if (e.Location.Y >= (ClientRect.Bottom + 17) && _ColorBlendEx.Count > 2)
{
ColorFloat cf = _ColorBlendEx.GetSelected();
if (cf != null && _isDelete == false)
{
_clrfloat = cf;
_ColorBlendEx.Remove(cf);
_isDelete = true;
}
}
else if (_clrfloat != null && ClientRectangle.Contains(e.Location)) //添加一个新的颜色
{
ColorFloat cf = new ColorFloat(_clrfloat.Color, (e.X - ClientRect.X) / (float)ClientRect.Width);
cf.Selected = true;
_clrfloat = null;
_isDelete = false;
_ColorBlendEx.Add(cf, ClientRect);
_ColorBlendEx.GetSelected()._bMove = true;
_ColorBlendEx.Redraw();
}
if (ColorBlendChanged != null)
{
ColorBlendChanged();
}
Invalidate();
}
private void BaseGradientUserControl_MouseUp(object sender, MouseEventArgs e)
{
_isDelete = false;
_clrfloat = null;
_bLeftDown = false;
_ColorBlendEx.MouseUp(e.Location);
Invalidate();
}
public ColorFloat MouseUp(Point MousePoint)
{
ColorFloat cf = null;
for (int i = 0; i < DataList.Count; i++)
{
DataList[i].MouseUp(MousePoint);
}
return(cf);
}
public void Add(ColorFloat cf, Rectangle linearRect)
{
cf.LinearRectangle = linearRect;
if (cf.Selected)
{
for (int i = 0; i < DataList.Count; i++)
{
DataList[i].Selected = false;
}
}
DataList.Add(cf);
}
public void Add(Color clr, float pos, Rectangle linearRect)
{
ColorFloat cf = new ColorFloat(clr, pos);
cf.LinearRectangle = linearRect;
/*cf.Selected = true;
* for (int i = 0; i < DataList.Count; i++)
* {
* DataList[i].Selected = false;
* }*/
DataList.Add(cf);
}
void SelectedColorChange(Color clr)
{
ColorFloat cf = _ColorBlendEx.GetSelected();
if (cf != null)
{
cf.Color = clr;
if (ColorBlendChanged != null)
{
ColorBlendChanged();
}
// Invalidate();
}
}
public void Reset(ColorBlend ColorBlend, Rectangle rect)
{
DataList.Clear();
int i;
for (i = 0; i < ColorBlend.Colors.Length; i++)
{
if (ColorBlend.Colors.Length > 3)
{
if (i == 0 && ColorBlend.Positions[i] == 0)
{
continue;
}
if (i == ColorBlend.Colors.Length - 1 && ColorBlend.Positions[i] == 1)
{
continue;
}
}
ColorFloat cf = new ColorFloat(ColorBlend.Colors[i], ColorBlend.Positions[i]);
Add(cf, rect);
}
}
public void Remove(ColorFloat cf)
{
DataList.Remove(cf);
SelectIndex = 0;
}