internal override void RenderImage(AuraImage a)
{
SharpDXState s = a.State as SharpDXState;
if (s.NeedImage == true)
{
if (s.window == null)
{
AdjustSurface(a);
}
//s.LoadImageOnDemand();
s.NeedImage = false;
s.NeedRender = true;
}
if (s.IsAnimated == true)
{
bool af = s.AdvanceFrame();
s.NeedRender = s.NeedRender || af;
}
if (Owner.RenderingActive == false)
{
if (s.WasHidden == false)
{
s.NeedRender = true;
s.WasHidden = true;
}
}
else
{
if (s.WasHidden == true)
{
s.NeedRender = true;
s.WasHidden = false;
}
}
if (s.NeedRender == false)
{
return;
}
AdjustSurface(a);
s.NeedRender = false;
s.graphics.BeginScene();
s.graphics.ClearScene(s.bgColor);
if (Owner.RenderingActive == false)
{
s.graphics.EndScene();
return;
}
switch (a.Display)
{
case PictureBoxSizeMode.Zoom:
float mW = (float)a.Width / s.OriginalImage.Width;
float mH = (float)a.Height / s.OriginalImage.Height;
float aW, aH;
if (mH < mW)
{
aW = mH * s.OriginalImage.Width;
aH = a.Height;
}
else if (mW < mH)
{
aW = a.Width;
aH = mW * s.OriginalImage.Height;
}
else
{
aW = a.Width;
aH = a.Height;
}
s.graphics.DrawImage(
s.OriginalImage,
((a.Width - aW) / 2),
((a.Height - aH) / 2),
((a.Width - aW) / 2) + aW,
((a.Height - aH) / 2) + aH,
a.Opacity / 100.0f
);
break;
case PictureBoxSizeMode.Normal:
if (s.OriginalImage.Width <= a.Width && s.OriginalImage.Height <= a.Height)
{
s.graphics.DrawImage(
s.OriginalImage,
0,
0,
s.OriginalImage.Width,
s.OriginalImage.Height,
a.Opacity / 100.0f
);
}
else
{
if (s.OriginalImage.Width <= a.Width)
{
s.graphics.DrawImageEx(
s.OriginalImage,
new Rectangle(0, 0, s.OriginalImage.Width, a.Height),
new Rectangle(0, 0, s.OriginalImage.Width, a.Height),
a.Opacity / 100.0f
);
}
else if (s.OriginalImage.Height <= a.Height)
{
s.graphics.DrawImageEx(
s.OriginalImage,
new Rectangle(0, 0, a.Width, s.OriginalImage.Height),
new Rectangle(0, 0, a.Width, s.OriginalImage.Height),
a.Opacity / 100.0f
);
}
else
{
s.graphics.DrawImageEx(
s.OriginalImage,
new Rectangle(0, 0, a.Width, a.Height),
new Rectangle(0, 0, a.Width, a.Height),
a.Opacity / 100.0f
);
}
}
break;
case PictureBoxSizeMode.CenterImage:
if (s.OriginalImage.Width <= a.Width && s.OriginalImage.Height <= a.Height)
{
s.graphics.DrawImage(
s.OriginalImage,
((a.Width - s.OriginalImage.Width) / 2),
((a.Height - s.OriginalImage.Height) / 2),
((a.Width - s.OriginalImage.Width) / 2) + s.OriginalImage.Width,
((a.Height - s.OriginalImage.Height) / 2) + s.OriginalImage.Height,
a.Opacity / 100.0f
);
}
else
{
s.graphics.DrawImageEx(
s.OriginalImage,
new Rectangle(
(s.OriginalImage.Width / 2) - (a.Width / 2),
(s.OriginalImage.Height / 2) - (a.Height / 2),
(s.OriginalImage.Width / 2) + (a.Width / 2),
(s.OriginalImage.Height / 2) + (a.Height / 2)
),
new Rectangle(
0,
0,
a.Width,
a.Height
),
a.Opacity / 100.0f
);
}
break;
case PictureBoxSizeMode.StretchImage:
s.graphics.DrawImage(
s.OriginalImage,
0,
0,
a.Width,
a.Height,
a.Opacity / 100.0f
);
break;
}
s.graphics.EndScene();
}
