public RenderAnimatedSize(
TickerProvider vsync = null,
TimeSpan?duration = null,
TimeSpan?reverseDuration = null,
Curve curve = null,
AlignmentGeometry alignment = null,
TextDirection?textDirection = null,
RenderBox child = null
) : base(child: child, alignment: alignment ?? Alignment.center, textDirection: textDirection)
{
curve = curve ?? Curves.linear;
D.assert(vsync != null);
D.assert(duration != null);
_vsync = vsync;
_controller = new AnimationController(
vsync: this.vsync,
duration: duration,
reverseDuration: reverseDuration);
_controller.addListener(() => {
if (_controller.value != _lastValue)
{
markNeedsLayout();
}
});
_animation = new CurvedAnimation(
parent: _controller,
curve: curve);
}
public AnimatedCrossFade(
Key key = null,
Widget firstChild = null,
Widget secondChild = null,
Curve firstCurve = null,
Curve secondCurve = null,
Curve sizeCurve = null,
AlignmentGeometry alignment = null,
CrossFadeState?crossFadeState = null,
TimeSpan?duration = null,
TimeSpan?reverseDuration = null,
AnimatedCrossFadeBuilder layoutBuilder = null
) : base(key: key)
{
D.assert(firstChild != null);
D.assert(secondChild != null);
D.assert(crossFadeState != null);
D.assert(duration != null);
this.firstChild = firstChild;
this.secondChild = secondChild;
this.firstCurve = firstCurve ?? Curves.linear;
this.secondCurve = secondCurve ?? Curves.linear;
this.sizeCurve = sizeCurve ?? Curves.linear;
this.alignment = alignment ?? Alignment.topCenter;
this.crossFadeState = crossFadeState ?? CrossFadeState.showFirst;
this.duration = duration;
this.reverseDuration = reverseDuration;
this.layoutBuilder = layoutBuilder ?? defaultLayoutBuilder;
}
public RenderImage(
Image image = null,
float?width = null,
float?height = null,
float scale = 1.0f,
Color color = null,
BlendMode colorBlendMode = BlendMode.srcIn,
BoxFit?fit = null,
AlignmentGeometry alignment = null,
ImageRepeat repeat = ImageRepeat.noRepeat,
Rect centerSlice = null,
bool matchTextDirection = false,
TextDirection?textDirection = null,
bool invertColors = false,
FilterQuality filterQuality = FilterQuality.low
)
{
D.assert(alignment != null);
_image = image;
_width = width;
_height = height;
_scale = scale;
_color = color;
_colorBlendMode = colorBlendMode;
_fit = fit;
_repeat = repeat;
_centerSlice = centerSlice;
_alignment = alignment ?? Alignment.center;
_invertColors = invertColors;
_filterQuality = filterQuality;
_textDirection = textDirection;
_matchTextDirection = matchTextDirection;
_updateColorFilter();
}
protected RenderAligningShiftedBox(
AlignmentGeometry alignment = null,
TextDirection?textDirection = null,
RenderBox child = null
) : base(child)
{
_alignment = alignment ?? Alignment.center;
_textDirection = textDirection;
}
public RenderSizedOverflowBox(
RenderBox child = null,
Size requestedSize = null,
AlignmentGeometry alignment = null,
TextDirection?textDirection = null
) : base(child: child, alignment: alignment ?? Alignment.center, textDirection: textDirection)
{
D.assert(requestedSize != null);
_requestedSize = requestedSize;
}
public class RenderUnconstrainedBox : RenderAligningShiftedBox {//, DebugOverflowIndicatorMixin
public RenderUnconstrainedBox(
AlignmentGeometry alignment = null,
TextDirection?textDirection = null,
Axis?constrainedAxis = null,
RenderBox child = null
) : base(alignment, textDirection, child)
{
D.assert(alignment != null);
_constrainedAxis = constrainedAxis;
}
public static FadeInImage assetNetwork(
string placeholder,
string image,
ImageErrorWidgetBuilder placeholderErrorBuilder = null,
ImageErrorWidgetBuilder imageErrorBuilder = null,
AssetBundle bundle = null,
float?placeholderScale = null,
float imageScale = 1.0f,
TimeSpan?fadeOutDuration = null,
Curve fadeOutCurve = null,
TimeSpan?fadeInDuration = null,
Curve fadeInCurve = null,
float?width = null,
float?height = null,
BoxFit?fit = null,
AlignmentGeometry alignment = null,
ImageRepeat repeat = ImageRepeat.noRepeat,
bool matchTextDirection = false,
Key key = null,
int?placeholderCacheWidth = null,
int?placeholderCacheHeight = null,
int?imageCacheWidth = null,
int?imageCacheHeight = null
)
{
fadeOutDuration = fadeOutDuration ?? new TimeSpan(0, 0, 0, 0, 300);
fadeOutCurve = fadeOutCurve ?? Curves.easeOut;
fadeInDuration = fadeInDuration ?? new TimeSpan(0, 0, 0, 0, 700);
fadeInCurve = Curves.easeIn;
alignment = alignment ?? Alignment.center;
var holder = placeholderScale ?? 1.0f;
var _placeholder = placeholderScale != null
? ResizeImage.resizeIfNeeded(placeholderCacheWidth, placeholderCacheHeight,
new ExactAssetImage(placeholder, bundle : bundle, scale : holder))
: ResizeImage.resizeIfNeeded(placeholderCacheWidth, placeholderCacheHeight,
new AssetImage(placeholder, bundle : bundle));
return(new FadeInImage(
placeholder: _placeholder,
placeholderErrorBuilder: placeholderErrorBuilder,
image: ResizeImage.resizeIfNeeded(imageCacheWidth, imageCacheHeight, new NetworkImage(image, scale: imageScale)),
imageErrorBuilder: imageErrorBuilder,
fadeOutDuration: fadeOutDuration,
fadeOutCurve: fadeOutCurve,
fadeInDuration: fadeInDuration,
fadeInCurve: fadeInCurve,
width: width, height: height,
fit: fit,
alignment: alignment,
repeat: repeat,
matchTextDirection: matchTextDirection,
key: key
));
}
public RenderIndexedStack(
List <RenderBox> children = null,
AlignmentGeometry alignment = null,
TextDirection?textDirection = null,
int index = 0
) : base(
children: children,
alignment: alignment ?? AlignmentDirectional.topStart,
textDirection: textDirection ?? TextDirection.ltr)
{
_index = index;
}
public RenderPositionedBox(
RenderBox child = null,
float?widthFactor = null,
float?heightFactor = null,
AlignmentGeometry alignment = null,
TextDirection?textDirection = null
) : base(child: child, alignment: alignment ?? Alignment.center, textDirection: textDirection)
{
D.assert(widthFactor == null || widthFactor >= 0.0);
D.assert(heightFactor == null || heightFactor >= 0.0);
_widthFactor = widthFactor;
_heightFactor = heightFactor;
}
public RenderFractionallySizedOverflowBox(
RenderBox child = null,
float?widthFactor = null,
float?heightFactor = null,
AlignmentGeometry alignment = null,
TextDirection?textDirection = null
) : base(child: child, alignment: alignment ?? Alignment.center, textDirection: textDirection)
{
_widthFactor = widthFactor;
_heightFactor = heightFactor;
D.assert(_widthFactor == null || _widthFactor >= 0.0);
D.assert(_heightFactor == null || _heightFactor >= 0.0);
}
public AnimatedAlign(
Key key = null,
AlignmentGeometry alignment = null,
Widget child = null,
Curve curve = null,
TimeSpan?duration = null,
VoidCallback onEnd = null
) : base(key: key, curve: curve ?? Curves.linear, duration: duration, onEnd: onEnd)
{
D.assert(alignment != null);
this.alignment = alignment;
this.child = child;
}
public static FadeInImage memoryNetwork(
byte[] placeholder,
string image,
Key key = null,
ImageErrorWidgetBuilder placeholderErrorBuilder = null,
ImageErrorWidgetBuilder imageErrorBuilder = null,
float placeholderScale = 1.0f,
float imageScale = 1.0f,
TimeSpan?fadeOutDuration = null,
Curve fadeOutCurve = null,
TimeSpan?fadeInDuration = null,
Curve fadeInCurve = null,
float?width = null,
float?height = null,
BoxFit?fit = null,
AlignmentGeometry alignment = null,
ImageRepeat repeat = ImageRepeat.noRepeat,
bool matchTextDirection = false,
int?placeholderCacheWidth = null,
int?placeholderCacheHeight = null,
int?imageCacheWidth = null,
int?imageCacheHeight = null
)
{
alignment = alignment ?? Alignment.center;
fadeOutDuration = fadeOutDuration ?? TimeSpan.FromMilliseconds(300);
fadeOutCurve = fadeOutCurve ?? Curves.easeOut;
fadeInDuration = fadeInDuration ?? TimeSpan.FromMilliseconds(700);
fadeInCurve = fadeInCurve ?? Curves.easeIn;
ImageProvider memoryImage = new MemoryImage(placeholder, placeholderScale);
ImageProvider networkImage = new NetworkImage(image, imageScale);
//placeholder = ResizeImage.resizeIfNeeded(placeholderCacheWidth, placeholderCacheHeight, memoryImage);
//image = ResizeImage.resizeIfNeeded(imageCacheWidth, imageCacheHeight, networkImage);
return(new FadeInImage(
placeholder: ResizeImage.resizeIfNeeded(placeholderCacheWidth, placeholderCacheHeight, memoryImage),
placeholderErrorBuilder: placeholderErrorBuilder,
image: ResizeImage.resizeIfNeeded(imageCacheWidth, imageCacheHeight, networkImage),
imageErrorBuilder: imageErrorBuilder,
fadeOutDuration: fadeOutDuration,
fadeOutCurve: fadeOutCurve,
fadeInDuration: fadeInDuration,
fadeInCurve: fadeInCurve,
width: width, height: height,
fit: fit,
alignment: alignment,
repeat: repeat,
matchTextDirection: matchTextDirection,
key: key
));
}
public RenderStack(
List <RenderBox> children = null,
AlignmentGeometry alignment = null,
TextDirection textDirection = TextDirection.ltr,
StackFit fit = StackFit.loose,
Overflow overflow = Overflow.clip
)
{
_textDirection = textDirection;
_alignment = alignment ?? AlignmentDirectional.topStart;
_fit = fit;
_overflow = overflow;
addAll(children);
}
public RenderConstrainedOverflowBox(
RenderBox child = null,
float?minWidth = null,
float?maxWidth = null,
float?minHeight = null,
float?maxHeight = null,
AlignmentGeometry alignment = null,
TextDirection?textDirection = null
) : base(child: child, alignment: alignment ?? Alignment.center, textDirection: textDirection)
{
_minWidth = minWidth;
_maxWidth = maxWidth;
_minHeight = minHeight;
_maxHeight = maxHeight;
}
public AnimatedSize(
Key key = null,
Widget child = null,
AlignmentGeometry alignment = null,
Curve curve = null,
TimeSpan?duration = null,
TimeSpan?reverseDuration = null,
TickerProvider vsync = null) : base(key: key, child: child)
{
D.assert(duration != null);
D.assert(vsync != null);
this.alignment = alignment ?? Alignment.center;
this.curve = curve ?? Curves.linear;
this.duration = duration;
this.reverseDuration = reverseDuration;
this.vsync = vsync;
}
public static Image network(
string src,
Key key = null,
float scale = 1.0f,
ImageFrameBuilder frameBuilder = null,
ImageLoadingBuilder loadingBuilder = null,
ImageErrorWidgetBuilder errorBuilder = null,
float?width = null,
float?height = null,
Color color = null,
BlendMode colorBlendMode = BlendMode.srcIn,
BoxFit?fit = null,
AlignmentGeometry alignment = null,
ImageRepeat repeat = ImageRepeat.noRepeat,
Rect centerSlice = null,
bool gaplessPlayback = false,
bool matchTextDirection = false,
FilterQuality filterQuality = FilterQuality.low,
IDictionary <string, string> headers = null,
int?cacheWidth = null,
int?cacheHeight = null
)
{
var image = ResizeImage.resizeIfNeeded(cacheWidth: cacheWidth, cacheHeight: cacheHeight,
new NetworkImage(url: src, scale: scale, headers: headers));
return(new Image(
key: key,
image: image,
frameBuilder: frameBuilder,
loadingBuilder: loadingBuilder,
errorBuilder: errorBuilder,
width: width,
height: height,
color: color,
colorBlendMode: colorBlendMode,
fit: fit,
alignment: alignment,
repeat: repeat,
centerSlice: centerSlice,
matchTextDirection: matchTextDirection,
gaplessPlayback: gaplessPlayback,
filterQuality: filterQuality
));
}
public IconButton(
Key key = null,
float iconSize = 24.0f,
VisualDensity visualDensity = null,
EdgeInsetsGeometry padding = null,
AlignmentGeometry alignment = null,
Widget icon = null,
Color color = null,
Color focusColor = null,
Color hoverColor = null,
Color highlightColor = null,
Color splashColor = null,
Color disabledColor = null,
VoidCallback onPressed = null,
FocusNode focusNode = null,
bool autofocus = false,
string tooltip = null,
bool?enableFeedback = true,
BoxConstraints constraints = null
) : base(key: key)
{
D.assert(icon != null);
this.iconSize = iconSize;
this.visualDensity = visualDensity;
this.padding = padding ?? EdgeInsets.all(8.0f);
this.alignment = alignment ?? Alignment.center;
this.icon = icon;
this.color = color;
this.focusColor = focusColor;
this.hoverColor = hoverColor;
this.highlightColor = highlightColor;
this.splashColor = splashColor;
this.disabledColor = disabledColor;
this.onPressed = onPressed;
this.focusNode = focusNode;
this.autofocus = autofocus;
this.tooltip = tooltip;
this.enableFeedback = enableFeedback;
this.constraints = constraints;
}
public AnimatedContainer(
Key key = null,
AlignmentGeometry alignment = null,
EdgeInsetsGeometry padding = null,
Color color = null,
Decoration decoration = null,
Decoration foregroundDecoration = null,
float?width = null,
float?height = null,
BoxConstraints constraints = null,
EdgeInsetsGeometry margin = null,
Matrix4 transform = null,
Widget child = null,
Curve curve = null,
TimeSpan?duration = null,
VoidCallback onEnd = null
) : base(key: key, curve: curve ?? Curves.linear, duration: duration, onEnd: onEnd)
{
D.assert(duration != null);
D.assert(margin == null || margin.isNonNegative);
D.assert(padding == null || padding.isNonNegative);
D.assert(decoration == null || decoration.debugAssertIsValid());
D.assert(constraints == null || constraints.debugAssertIsValid());
D.assert(color == null || decoration == null,
() => "Cannot provide both a color and a decoration\n" +
"The color argument is just a shorthand for \"decoration: new BoxDecoration(backgroundColor: color)\".");
this.alignment = alignment;
this.padding = padding;
this.foregroundDecoration = foregroundDecoration;
this.margin = margin;
this.transform = transform;
this.child = child;
this.decoration = decoration ?? (color != null ? new BoxDecoration(color: color) : null);
this.constraints =
(width != null || height != null)
? constraints?.tighten(width: width, height: height)
?? BoxConstraints.tightFor(width: width, height: height)
: constraints;
}
public FadeInImage(
ImageProvider placeholder,
ImageErrorWidgetBuilder placeholderErrorBuilder,
ImageProvider image,
ImageErrorWidgetBuilder imageErrorBuilder = null,
TimeSpan?fadeOutDuration = null,
Curve fadeOutCurve = null,
TimeSpan?fadeInDuration = null,
Curve fadeInCurve = null,
float?width = null,
float?height = null,
BoxFit?fit = null,
AlignmentGeometry alignment = null,
ImageRepeat repeat = ImageRepeat.noRepeat,
Key key = null,
bool matchTextDirection = false
) : base(key)
{
D.assert(image != null);
D.assert(fadeOutDuration != null);
D.assert(fadeOutCurve != null);
D.assert(fadeInDuration != null);
D.assert(fadeInCurve != null);
D.assert(alignment != null);
this.placeholder = placeholder;
this.placeholderErrorBuilder = placeholderErrorBuilder;
this.image = image;
this.imageErrorBuilder = imageErrorBuilder;
this.width = width;
this.height = height;
this.fit = fit;
this.fadeOutDuration = fadeOutDuration ?? TimeSpan.FromMilliseconds(300);
this.fadeOutCurve = fadeOutCurve ?? Curves.easeOut;
this.fadeInDuration = fadeInDuration ?? TimeSpan.FromMilliseconds(700);
this.fadeInCurve = fadeInCurve ?? Curves.easeIn;
this.alignment = alignment ?? Alignment.center;
this.repeat = repeat;
this.matchTextDirection = matchTextDirection;
}
public Container(
Key key = null,
AlignmentGeometry alignment = null,
EdgeInsetsGeometry padding = null,
Color color = null,
Decoration decoration = null,
Decoration foregroundDecoration = null,
float?width = null,
float?height = null,
BoxConstraints constraints = null,
EdgeInsetsGeometry margin = null,
Matrix4 transform = null,
Widget child = null,
Clip clipBehavior = Clip.none
) : base(key: key)
{
D.assert(margin == null || margin.isNonNegative);
D.assert(padding == null || padding.isNonNegative);
D.assert(decoration == null || decoration.debugAssertIsValid());
D.assert(constraints == null || constraints.debugAssertIsValid());
D.assert(color == null || decoration == null,
() => "Cannot provide both a color and a decoration\n" +
"The color argument is just a shorthand for \"decoration: new BoxDecoration(color: color)\"."
);
D.assert(clipBehavior != null);
this.alignment = alignment;
this.padding = padding;
this.foregroundDecoration = foregroundDecoration;
this.color = color;
this.decoration = decoration;// ?? (color != null ? new BoxDecoration(color) : null);
this.constraints = (width != null || height != null)
? (constraints != null ? constraints.tighten(width, height) : BoxConstraints.tightFor(width, height))
: constraints;
this.margin = margin;
this.transform = transform;
this.child = child;
this.clipBehavior = clipBehavior;
}
public static Ink image(
Key key = null,
EdgeInsetsGeometry padding = null,
ImageProvider image = null,
ImageErrorListener onImageError = null,
ColorFilter colorFilter = null,
BoxFit?fit = null,
AlignmentGeometry alignment = null,
Rect centerSlice = null,
ImageRepeat repeat = ImageRepeat.noRepeat,
float?width = null,
float?height = null,
Widget child = null
)
{
D.assert(padding == null || padding.isNonNegative);
D.assert(image != null);
alignment = alignment ?? Alignment.center;
Decoration decoration = new BoxDecoration(
image: new DecorationImage(
image: image,
onError: onImageError,
colorFilter: colorFilter,
fit: fit,
alignment: alignment,
centerSlice: centerSlice,
repeat: repeat)
);
return(new Ink(
key: key,
padding: padding,
decoration: decoration,
width: width,
height: height,
child: child));
}
public Image(
Key key = null,
ImageProvider image = null,
ImageFrameBuilder frameBuilder = null,
ImageLoadingBuilder loadingBuilder = null,
ImageErrorWidgetBuilder errorBuilder = null,
float?width = null,
float?height = null,
Color color = null,
BlendMode colorBlendMode = BlendMode.srcIn,
BoxFit?fit = null,
AlignmentGeometry alignment = null,
ImageRepeat repeat = ImageRepeat.noRepeat,
Rect centerSlice = null,
bool matchTextDirection = false,
bool gaplessPlayback = false,
FilterQuality filterQuality = FilterQuality.low
) : base(key: key)
{
D.assert(image != null);
this.image = image;
this.frameBuilder = frameBuilder;
this.loadingBuilder = loadingBuilder;
this.errorBuilder = errorBuilder;
this.width = width;
this.height = height;
this.color = color;
this.colorBlendMode = colorBlendMode;
this.fit = fit;
this.alignment = alignment ?? Alignment.center;
this.repeat = repeat;
this.centerSlice = centerSlice;
this.gaplessPlayback = gaplessPlayback;
this.filterQuality = filterQuality;
this.matchTextDirection = matchTextDirection;
}
