|
public RequestImageAsync ( ImageBinder binder, |
||
| binder | ImageBinder | |
| imgRun | ||
| requestFrom | object | |
| return | void | |
public override void Paint(PaintVisitor p)
{
Canvas g = p.InnerCanvas;
if (fillColor.A > 0)
{
p.FillPath(_path, this.fillColor);
}
//---------------------------------------------------------
if (this.ImageBinder != null)
{
//---------------------------------------------------------
//Because we need external image resource , so ...
//use render technique like CssBoxImage ****
//---------------------------------------------------------
RectangleF r = new RectangleF(this.ActualX, this.ActualY, this.ActualWidth, this.ActualHeight);
bool tryLoadOnce = false;
EVAL_STATE:
switch (this.ImageBinder.State)
{
case ImageBinderState.Unload:
{
//async request image
if (!tryLoadOnce)
{
p.RequestImageAsync(_imgRun.ImageBinder, this._imgRun, this);
//retry again
tryLoadOnce = true;
goto EVAL_STATE;
}
}
break;
case ImageBinderState.Loading:
{
//RenderUtils.DrawImageLoadingIcon(g, r);
}
break;
case ImageBinderState.Loaded:
{
Image img;
if ((img = _imgRun.ImageBinder.Image) != null)
{
if (_imgRun.ImageRectangle == Rectangle.Empty)
{
g.DrawImage(img, r);
}
else
{
//
g.DrawImage(img, _imgRun.ImageRectangle);
}
}
else
{
RenderUtils.DrawImageLoadingIcon(g, r);
if (r.Width > 19 && r.Height > 19)
{
g.DrawRectangle(Color.LightGray, r.X, r.Y, r.Width, r.Height);
}
}
}
break;
case ImageBinderState.NoImage:
{
}
break;
case ImageBinderState.Error:
{
RenderUtils.DrawImageErrorIcon(g, r);
}
break;
}
}
//---------------------------------------------------------
if (this.strokeColor.A > 0
&& this.ActualStrokeWidth > 0)
{
p.DrawPath(_path, strokeColor, ActualStrokeWidth);
}
}
public override void Paint(PaintVisitor p, RectangleF rect)
{
PaintBackground(p, rect, true, true);
if (this.HasSomeVisibleBorder)
{
p.PaintBorders(this, rect, true, true);
}
//---------------------------------------------------------
RectangleF r = _imgRun.Rectangle;
r.Height -= ActualBorderTopWidth + ActualBorderBottomWidth + ActualPaddingTop + ActualPaddingBottom;
r.Y += ActualBorderTopWidth + ActualPaddingTop;
r.X = (float)Math.Floor(r.X);
r.Y = (float)Math.Floor(r.Y);
bool tryLoadOnce = false;
EVAL_STATE:
switch (_imgRun.ImageBinder.State)
{
case ImageBinderState.Unload:
{
//async request image
if (!tryLoadOnce)
{
p.RequestImageAsync(_imgRun.ImageBinder, this._imgRun, this);
//retry again
tryLoadOnce = true;
goto EVAL_STATE;
}
}
break;
case ImageBinderState.Loading:
{
//RenderUtils.DrawImageLoadingIcon(g, r);
}
break;
case ImageBinderState.Loaded:
{
Image img;
if ((img = (Image)_imgRun.ImageBinder.Image) != null)
{
if (_imgRun.ImageRectangle == Rectangle.Empty)
{
p.DrawImage(img,
r.Left, r.Top,
img.Width, img.Height);
}
else
{
p.DrawImage(img, _imgRun.ImageRectangle);
}
}
else
{
RenderUtils.DrawImageLoadingIcon(p.InnerCanvas, r);
if (r.Width > 19 && r.Height > 19)
{
p.DrawRectangle(Color.LightGray, r.X, r.Y, r.Width, r.Height);
}
}
}
break;
case ImageBinderState.NoImage:
{
}
break;
case ImageBinderState.Error:
{
RenderUtils.DrawImageErrorIcon(p.InnerCanvas, r);
}
break;
}
//#if DEBUG
// p.FillRectangle(Color.Red, rect.X, rect.Y, rect.Width, rect.Height);
//#endif
}
public override void Paint(PaintVisitor p, RectangleF rect)
{
PaintBackground(p, rect, true, true);
if (this.HasSomeVisibleBorder)
{
p.PaintBorders(this, rect, true, true);
}
//---------------------------------------------------------
RectangleF r = _imgRun.Rectangle;
r.Height -= ActualBorderTopWidth + ActualBorderBottomWidth + ActualPaddingTop + ActualPaddingBottom;
r.Y += ActualBorderTopWidth + ActualPaddingTop;
r.X = (float)Math.Floor(r.X);
r.Y = (float)Math.Floor(r.Y);
bool tryLoadOnce = false;
EVAL_STATE:
switch (_imgRun.ImageBinder.State)
{
case ImageBinderState.Unload:
{
//async request image
if (!tryLoadOnce)
{
p.RequestImageAsync(_imgRun.ImageBinder, this._imgRun, this);
//retry again
tryLoadOnce = true;
goto EVAL_STATE;
}
}
break;
case ImageBinderState.Loading:
{
//RenderUtils.DrawImageLoadingIcon(g, r);
}
break;
case ImageBinderState.Loaded:
{
Image img;
if ((img = (Image)_imgRun.ImageBinder.Image) != null)
{
if (_imgRun.ImageRectangle == Rectangle.Empty)
{
p.DrawImage(img,
r.Left, r.Top,
img.Width, img.Height);
}
else
{
p.DrawImage(img, _imgRun.ImageRectangle);
}
}
else
{
RenderUtils.DrawImageLoadingIcon(p.InnerCanvas, r);
if (r.Width > 19 && r.Height > 19)
{
p.DrawRectangle(Color.LightGray, r.X, r.Y, r.Width, r.Height);
}
}
}
break;
case ImageBinderState.NoImage:
{
}
break;
case ImageBinderState.Error:
{
RenderUtils.DrawImageErrorIcon(p.InnerCanvas, r);
}
break;
}
//#if DEBUG
// p.FillRectangle(Color.Red, rect.X, rect.Y, rect.Width, rect.Height);
//#endif
}
public override void Paint(PaintVisitor p, RectangleF rect)
{
Color bgColorHint = p.CurrentSolidBackgroundColorHint;//save
PaintBackground(p, rect, true, true);
if (this.HasSomeVisibleBorder)
{
p.PaintBorders(this, rect, true, true);
}
//---------------------------------------------------------
RectangleF r = _imgRun.Rectangle;
r.Height -= ActualBorderTopWidth + ActualBorderBottomWidth + ActualPaddingTop + ActualPaddingBottom;
r.Location = new PointF((float)Math.Floor(r.Left), (float)Math.Floor(r.Top + ActualBorderTopWidth + ActualPaddingTop));
bool tryLoadOnce = false;
EVAL_STATE:
switch (_imgRun.ImageBinder.State)
{
case BinderState.Unload:
{
if (_tmpTransitionImgBinder != null)
{
DrawWithTempTransitionImage(p, rect);
}
//async request image
if (!tryLoadOnce)
{
p.RequestImageAsync(_imgRun.ImageBinder, _imgRun, this);
//retry again
tryLoadOnce = true;
goto EVAL_STATE;
}
}
break;
case BinderState.Loading:
{
if (_tmpTransitionImgBinder != null)
{
DrawWithTempTransitionImage(p, rect);
}
//RenderUtils.DrawImageLoadingIcon(g, r);
}
break;
case BinderState.Loaded:
{
if (_tmpTransitionImgBinder != null)
{
//*** clear tmp transition img after new image is loaded
_tmpTransitionImgBinder = null;
}
Image img;
if ((img = (Image)_imgRun.ImageBinder.LocalImage) != null) //assign and test
{
if (this.VisualWidth != 0)
{
//TODO: review here
if (_imgRun.ImageRectangle == Rectangle.Empty)
{
p.DrawImage(img,
r.Left, r.Top,
this.VisualWidth, this.VisualHeight);
}
else
{
p.DrawImage(img, _imgRun.ImageRectangle);
}
}
else
{
if (_imgRun.ImageRectangle == Rectangle.Empty)
{
p.DrawImage(img,
r.Left, r.Top,
img.Width, img.Height);
}
else
{
p.DrawImage(img, _imgRun.ImageRectangle);
}
}
}
else
{
RenderUtils.DrawImageLoadingIcon(p.InnerDrawBoard, r);
if (r.Width > 19 && r.Height > 19)
{
p.DrawRectangle(KnownColors.LightGray, r.Left, r.Top, r.Width, r.Height);
}
}
}
break;
case BinderState.Blank:
{
}
break;
case BinderState.Error:
{
RenderUtils.DrawImageErrorIcon(p.InnerDrawBoard, r);
}
break;
}
//#if DEBUG
// p.FillRectangle(Color.Red, rect.X, rect.Y, rect.Width, rect.Height);
//#endif
p.CurrentSolidBackgroundColorHint = bgColorHint;//restore
}