private void OnLoadEvent(Dom.Event e)
{
BackgroundImage bgImage = RenderData.BGImage;
if (bgImage == null)
{
return;
}
Image = bgImage.Image;
if (Image == null)
{
return;
}
float width = (float)Image.Width;
float height = (float)Image.Height;
// Figure out the aspect ratios:
AspectRatio = width / height;
InverseAspectRatio = height / width;
// Cache w/h:
RawWidth = width;
RawHeight = height;
// Request layout:
bgImage.RequestLayout();
}
public override void Apply(ComputedStyle style, Value value)
{
// Get the background image:
BackgroundImage image = GetBackground(style);
if (value == null)
{
image.ForcedIsolate = false;
}
else
{
image.ForcedIsolate = !value.Boolean;
}
// Request a layout:
image.RequestLayout();
}
public override ApplyState Apply(ComputedStyle style, Value value)
{
// Get the background image:
BackgroundImage image = GetBackground(style);
if (value == null || value.Text == "" || value.Text == "repeat")
{
// Repeat by default:
image.RepeatX = image.RepeatY = true;
}
else
{
if (value.Text == "repeat-x")
{
// X only.
image.RepeatX = true;
image.RepeatY = false;
}
else if (value.Text == "repeat-y")
{
// Y only.
image.RepeatY = true;
image.RepeatX = false;
}
else
{
// No repeat.
image.RepeatX = false;
image.RepeatY = false;
}
}
// Request a layout:
image.RequestLayout();
// Ok!
return(ApplyState.Ok);
}
public override ApplyState Apply(ComputedStyle style, Value value)
{
// Get the background image:
BackgroundImage image = GetBackground(style);
if (value == null)
{
image.ForcedIsolate = false;
}
else
{
image.ForcedIsolate = !value.GetBoolean(style.RenderData, this);
}
// Request a layout:
image.RequestLayout();
// Ok!
return(ApplyState.Ok);
}
public override ApplyState Apply(ComputedStyle style, Value value)
{
// Get the background image:
BackgroundImage image = GetBackground(style);
Value offsetX = null;
Value offsetY = null;
float xOrigin = 0f;
float yOrigin = 0f;
if (value != null)
{
// Set true when center has been handled once before.
bool center = false;
bool xAxis = true;
// Get the inner value count:
int count = value.Count;
if (count == 1 || value is CssFunction)
{
if (value.Type == ValueType.Text)
{
string text = value.Text;
// Occurs twice:
GetOrigin(text, ref xOrigin, ref yOrigin, ref center, ref xAxis);
GetOrigin(text, ref xOrigin, ref yOrigin, ref center, ref xAxis);
}
else
{
offsetX = offsetY = value;
}
}
else
{
// Loops for e.g. right 10% top 5%
for (int i = 0; i < count; i++)
{
// Grab the inner value:
Value innerValue = value[i];
// Is it text?
if (innerValue.Type == ValueType.Text)
{
// Yep!
GetOrigin(innerValue.Text, ref xOrigin, ref yOrigin, ref center, ref xAxis);
}
else
{
// It's a %/ px/ some other fixed unit.
if (xAxis)
{
xAxis = false;
offsetX = innerValue;
}
else
{
offsetY = innerValue;
}
}
}
}
}
image.OffsetOriginX = xOrigin;
image.OffsetOriginY = yOrigin;
image.OffsetX = offsetX;
image.OffsetY = offsetY;
// Request a layout:
image.RequestLayout();
// Ok!
return(ApplyState.Ok);
}
public override void Apply(ComputedStyle style, Value value)
{
// Get the background image:
BackgroundImage image = GetBackground(style);
if (value != null && value.InnerValues != null)
{
bool x = true;
bool centerX = true;
Value offsetX = null;
Value offsetY = null;
// Get the inner value count:
int count = value.InnerValues.Length;
// Loops for e.g. right 10% top 5%
for (int i = 0; i < count; i++)
{
// Grab the inner value:
Value innerValue = value.InnerValues[i];
// Is it text?
if (innerValue.Type == ValueType.Text)
{
// Yep!
switch (innerValue.Text)
{
case "top":
// Ignore this:
offsetY = null;
break;
case "right":
// Set to 100%:
innerValue.SetPercent(1f);
offsetX = innerValue;
break;
case "bottom":
// Set to 100%:
innerValue.SetPercent(1f);
offsetY = innerValue;
break;
case "left":
// Ignore this:
offsetX = null;
break;
case "center":
// Set to 50%:
innerValue.SetPercent(0.5f);
if (centerX)
{
centerX = false;
offsetX = innerValue;
}
else
{
offsetY = innerValue;
}
break;
}
}
else if (x)
{
x = false;
if (offsetX == null)
{
offsetX = innerValue;
}
else
{
// E.g. right 5%
offsetX.Offset(innerValue);
}
}
else
{
if (offsetY == null)
{
offsetY = innerValue;
}
else
{
offsetY.Offset(innerValue);
}
}
}
// If either is equiv of zero, ignore it.
if (offsetX != null && (offsetX.PX != 0 || offsetX.Single != 0f))
{
image.OffsetX = offsetX;
}
else
{
image.OffsetX = null;
}
if (offsetY != null && (offsetY.PX != 0 || offsetY.Single != 0f))
{
image.OffsetY = offsetY;
}
else
{
image.OffsetY = null;
}
}
else
{
image.OffsetX = null;
image.OffsetY = null;
}
// Request a layout:
image.RequestLayout();
}
