protected override void OnStart(AppHost host)
{
PixelFarm.Drawing.ImageBinder imgBinder = host.LoadImageAndBind("../Data/imgs/favorites32.png");
//GlobalRootGraphic.BlockGraphicsUpdate();
for (int i = 0; i < 100; ++i)
{
//share 1 img binder with multiple img boxes
var imgBox = new CustomWidgets.ImageBox(
imgBinder.Width,
imgBinder.Height);
imgBox.ImageBinder = imgBinder;
imgBox.SetLocation(i * 32, 20);
imgBox.MouseDown += (s, e) =>
{
//test start animation
int nsteps = 40;
UIPlatform.RegisterTimerTask(20, timTask =>
{
imgBox.SetLocation(imgBox.Left, imgBox.Top + 10);
nsteps--;
if (nsteps <= 0)
{
timTask.RemoveSelf();
}
});
};
host.AddChild(imgBox);
}
//GlobalRootGraphic.ReleaseGraphicsUpdate();
}
public void SetImageSource(PixelFarm.Drawing.ImageBinder imgBinder)
{
DomAttribute attr = this.OwnerDocument.CreateAttribute("src", imgBinder.ImageSource);
SetDomAttribute(attr);
//----
if (_principalBox != null)
{
InternalSetImageBinder(_owner.GetImageBinder(attr.Value));
}
}
protected override void OnStart(AppHost host)
{
PixelFarm.Drawing.ImageBinder imgBinder = host.LoadImageAndBind("../Data/imgs/favorites32.png");
for (int i = 0; i < 100; ++i)
{
//share 1 img binder with multiple img boxes
var imgBox = new CustomWidgets.ImageBox(imgBinder.Width, imgBinder.Height);
imgBox.ImageBinder = imgBinder;
imgBox.SetLocation(i * 10, i * 10);
host.AddChild(imgBox);
}
}
internal void RequestImageAsync(PixelFarm.Drawing.ImageBinder binder, VgVisualElement imgRun, object requestFrom)
{
if (_imgReqHandler != null)
{
_imgReqHandler(binder, imgRun, requestFrom);
}
else
{
//ask for coment resource IO
_imgReqHandler = VgResourceIO.VgImgIOHandler;
if (_imgReqHandler != null)
{
_imgReqHandler(binder, imgRun, requestFrom);
}
}
}
void InternalSetImageBinder(PixelFarm.Drawing.ImageBinder imgBinder)
{
if (_principalBox == null)
{
return;
}
//
CssBoxImage boxImg = (CssBoxImage)_principalBox;
//implementation specific...
//if the binder is loaded , not need TempTranstionImageBinder
boxImg.TempTranstionImageBinder = (imgBinder.State == PixelFarm.Drawing.BinderState.Loaded) ? null : boxImg.ImageBinder;
boxImg.ImageBinder = imgBinder;
boxImg.InvalidateGraphics();
}
static void AssignStylesFromTranslatedAttributesHTML5(HtmlElement tag)
{
//some html attr contains css value
if (tag.AttributeCount > 0)
{
foreach (var attr in tag.GetAttributeIterForward())
{
//attr switch by wellknown property name
switch ((WebDom.WellknownName)attr.LocalNameIndex)
{
case WebDom.WellknownName.Align:
{
//deprecated in HTML4.1
//string value = attr.Value.ToLower();
//if (value == "left"
// || value == "center"
// || value == "right"
// || value == "justify")
//{
// WebDom.CssCodePrimitiveExpression propValue = new WebDom.CssCodePrimitiveExpression(
// value, WebDom.CssValueHint.Iden);
// box.CssTextAlign = UserMapUtil.GetTextAlign(propValue);
//}
//else
//{
// WebDom.CssCodePrimitiveExpression propValue = new WebDom.CssCodePrimitiveExpression(
// value, WebDom.CssValueHint.Iden);
// box.VerticalAlign = UserMapUtil.GetVerticalAlign(propValue);
//}
//break;
}
break;
case WebDom.WellknownName.Background:
//deprecated in HTML4.1
//box.BackgroundImageBinder = new ImageBinder(attr.Value.ToLower());
break;
case WebDom.WellknownName.BackgroundColor:
//deprecated in HTML5
//box.BackgroundColor = CssValueParser.GetActualColor(attr.Value.ToLower());
break;
case WebDom.WellknownName.Border:
{
//not support in HTML5
//CssLength borderLen = TranslateLength(UserMapUtil.MakeBorderLength(attr.Value.ToLower()));
//if (!borderLen.HasError)
//{
// if (borderLen.Number > 0)
// {
// box.BorderLeftStyle =
// box.BorderTopStyle =
// box.BorderRightStyle =
// box.BorderBottomStyle = CssBorderStyle.Solid;
// }
// box.BorderLeftWidth =
// box.BorderTopWidth =
// box.BorderRightWidth =
// box.BorderBottomWidth = borderLen;
// if (tag.WellknownTagName == WellknownHtmlTagName.TABLE && borderLen.Number > 0)
// {
// //Cascades to the TD's the border spacified in the TABLE tag.
// var borderWidth = CssLength.MakePixelLength(1);
// ForEachCellInTable(box, cell =>
// {
// //for all cells
// cell.BorderLeftStyle = cell.BorderTopStyle = cell.BorderRightStyle = cell.BorderBottomStyle = CssBorderStyle.Solid; // CssConstants.Solid;
// cell.BorderLeftWidth = cell.BorderTopWidth = cell.BorderRightWidth = cell.BorderBottomWidth = borderWidth;
// });
// }
//}
}
break;
case WebDom.WellknownName.BorderColor:
//box.BorderLeftColor =
// box.BorderTopColor =
// box.BorderRightColor =
// box.BorderBottomColor = CssValueParser.GetActualColor(attr.Value.ToLower());
break;
case WebDom.WellknownName.CellSpacing:
//html5 not support in HTML5, use CSS instead
//box.BorderSpacingHorizontal = box.BorderSpacingVertical = TranslateLength(attr);
break;
case WebDom.WellknownName.CellPadding:
{
//html5 not support in HTML5, use CSS instead ***
// CssLength len01 = UserMapUtil.ParseGenericLength(attr.Value.ToLower());
// if (len01.HasError && (len01.Number > 0))
// {
// CssLength len02 = CssLength.MakePixelLength(len01.Number);
// ForEachCellInTable(box, cell =>
// {
//#if DEBUG
// // cell.dbugBB = dbugTT++;
//#endif
// cell.PaddingLeft = cell.PaddingTop = cell.PaddingRight = cell.PaddingBottom = len02;
// });
// }
// else
// {
// ForEachCellInTable(box, cell =>
// cell.PaddingLeft = cell.PaddingTop = cell.PaddingRight = cell.PaddingBottom = len01);
// }
}
break;
case WebDom.WellknownName.Color:
//deprecate
// box.Color = CssValueParser.GetActualColor(attr.Value.ToLower());
break;
case WebDom.WellknownName.Dir:
{
WebDom.CssCodePrimitiveExpression propValue = new WebDom.CssCodePrimitiveExpression(
attr.Value.ToLower(), WebDom.CssValueHint.Iden);
//assign
var spec = tag.Spec;
spec.CssDirection = UserMapUtil.GetCssDirection(propValue);
}
break;
case WebDom.WellknownName.Face:
//deprecate
//box.FontFamily = CssParser.ParseFontFamily(attr.Value.ToLower());
break;
case WebDom.WellknownName.Height:
{
var spec = tag.Spec;
spec.Height = TranslateLength(attr);
}
break;
case WebDom.WellknownName.HSpace:
//deprecated
//box.MarginRight = box.MarginLeft = TranslateLength(attr);
break;
case WebDom.WellknownName.Nowrap:
//deprecate
//box.WhiteSpace = CssWhiteSpace.NoWrap;
break;
case WebDom.WellknownName.Size:
{
//deprecate
//switch (tag.WellknownTagName)
//{
// case WellknownHtmlTagName.HR:
// {
// box.Height = TranslateLength(attr);
// } break;
// case WellknownHtmlTagName.FONT:
// {
// var ruleset = activeTemplate.ParseCssBlock("", attr.Value.ToLower());
// foreach (WebDom.CssPropertyDeclaration propDecl in ruleset.GetAssignmentIter())
// {
// //assign each property
// AssignPropertyValue(box, box.ParentBox, propDecl);
// }
// //WebDom.CssCodePrimitiveExpression prim = new WebDom.CssCodePrimitiveExpression(value,
// //box.SetFontSize(value);
// } break;
//}
}
break;
case WebDom.WellknownName.VAlign:
{
//w3.org
//valign for table display elements:
//col,colgroup,tbody,td,tfoot,th,thead,tr
WebDom.CssCodePrimitiveExpression propValue = new WebDom.CssCodePrimitiveExpression(
attr.Value.ToLower(), WebDom.CssValueHint.Iden);
tag.Spec.VerticalAlign = UserMapUtil.GetVerticalAlign(propValue);
}
break;
case WebDom.WellknownName.VSpace:
//deprecated
//box.MarginTop = box.MarginBottom = TranslateLength(attr);
break;
case WebDom.WellknownName.Width:
{
var spec = tag.Spec;
spec.Width = TranslateLength(attr);
}
break;
case WellknownName.Src:
{
var cssBoxImage = HtmlElement.InternalGetPrincipalBox(tag) as CssBoxImage;
if (cssBoxImage != null)
{
string imgsrc;
//ImageBinder imgBinder = null;
if (tag.TryGetAttribute(WellknownName.Src, out imgsrc))
{
CssBoxImage cssBoxImage1 = HtmlElement.InternalGetPrincipalBox(tag) as CssBoxImage;
PixelFarm.Drawing.ImageBinder imgbinder1 = cssBoxImage1.ImageBinder;
if (imgbinder1.ImageSource != imgsrc)
{
//var clientImageBinder = new ClientImageBinder(imgsrc);
//imgbinder1 = clientImageBinder;
//clientImageBinder.SetOwner(tag);
cssBoxImage1.ImageBinder = new PixelFarm.Drawing.ImageBinder(imgsrc);
}
}
else
{
//var clientImageBinder = new ClientImageBinder(null);
//imgBinder = clientImageBinder;
//clientImageBinder.SetOwner(tag);
}
}
}
break;
}
}
}
}
void ImgBinderLoadImg(PixelFarm.Drawing.ImageBinder reqImgBinder, VgVisualElement vgVisualE, object o)
{
PixelFarm.Drawing.Image img = _host.LoadImage(reqImgBinder.ImageSource);
reqImgBinder.SetLocalImage(img);
reqImgBinder.State = PixelFarm.Drawing.BinderState.Loaded;
}
public PixelFarm.Drawing.ImageBinder GetImageBinder(string imgurl)
{
PixelFarm.Drawing.ImageBinder imgBinder = new PixelFarm.Drawing.ImageBinder(imgurl);
Host.ChildRequestImage(imgBinder, null);
return(imgBinder);
}
){kind=link}