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https://github.com/servo/servo.git
synced 2025-08-06 14:10:11 +01:00
Improve border images
Respect CSS border-image-width. Properly support gradients as a border-image-source. Only emit a border item if the border-width is non-zero for simple borders but still emit one if the item is an image as paint worklet that are not drawn cause servo to hang and fail tests. Add a new test and mark 4 more as passing.
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parent
41a2010ee7
commit
fabb70f874
9 changed files with 272 additions and 163 deletions
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@ -15,10 +15,10 @@ use block::BlockFlow;
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use canvas_traits::canvas::{CanvasMsg, FromLayoutMsg};
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use context::LayoutContext;
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use display_list::ToLayout;
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use display_list::background::{build_border_radius, build_image_border_details};
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use display_list::background::{calculate_border_image_outset, calculate_inner_border_radii};
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use display_list::background::{compute_background_clip, compute_background_placement};
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use display_list::background::{convert_linear_gradient, convert_radial_gradient, get_cyclic};
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use display_list::background::{build_border_radius, build_border_image_details};
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use display_list::background::{calculate_inner_border_radii, compute_background_clip};
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use display_list::background::{compute_background_placement, convert_linear_gradient};
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use display_list::background::{convert_radial_gradient, get_cyclic};
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use display_list::background::simple_normal_border;
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use display_list::items::{BaseDisplayItem, BLUR_INFLATION_FACTOR, ClipScrollNode};
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use display_list::items::{ClipScrollNodeIndex, ClipScrollNodeType, ClippingAndScrolling};
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@ -71,8 +71,8 @@ use style_traits::cursor::CursorKind;
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use table_cell::CollapsedBordersForCell;
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use webrender_api::{self, BorderDetails, BorderRadius, BorderSide, BoxShadowClipMode, ColorF};
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use webrender_api::{ExternalScrollId, FilterOp, GlyphInstance, ImageRendering, LayoutRect};
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use webrender_api::{LayoutSize, LayoutTransform, LayoutVector2D, LineStyle, NormalBorder};
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use webrender_api::{StickyOffsetBounds, ScrollSensitivity};
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use webrender_api::{LayoutSize, LayoutTransform, LayoutVector2D, LineStyle};
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use webrender_api::{NinePatchBorderSource, NormalBorder, StickyOffsetBounds, ScrollSensitivity};
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fn establishes_containing_block_for_absolute(
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flags: StackingContextCollectionFlags,
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@ -1263,6 +1263,21 @@ impl FragmentDisplayListBuilding for Fragment {
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display_list_section: DisplayListSection,
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clip: Rect<Au>,
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) {
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fn convert_image_to_border(
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image: WebRenderImageInfo,
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) -> Option<(NinePatchBorderSource, Size2D<u32>)> {
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image.key.map(|key| {
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(
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NinePatchBorderSource::Image(key),
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Size2D::new(image.width, image.height),
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)
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})
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}
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fn convert_size_au_to_u32(size: Size2D<Au>) -> Size2D<u32> {
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Size2D::new(size.width.to_px() as u32, size.height.to_px() as u32)
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}
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let mut border = style.logical_border_width();
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if let Some(inline_info) = inline_info {
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@ -1276,10 +1291,6 @@ impl FragmentDisplayListBuilding for Fragment {
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},
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BorderPaintingMode::Hidden => return,
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}
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if border.is_zero() {
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// TODO: check if image-border-outset is zero
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return;
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}
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let border_style_struct = style.get_border();
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let mut colors = SideOffsets2D::new(
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@ -1319,110 +1330,102 @@ impl FragmentDisplayListBuilding for Fragment {
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let border_radius = build_border_radius(bounds, border_style_struct);
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let border_widths = border.to_physical(style.writing_mode);
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let outset =
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calculate_border_image_outset(border_style_struct.border_image_outset, border_widths);
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let outset_layout = SideOffsets2D::new(
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outset.top.to_f32_px(),
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outset.right.to_f32_px(),
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outset.bottom.to_f32_px(),
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outset.left.to_f32_px(),
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);
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let size = bounds.outer_rect(outset).size;
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let mut layout_border_width = border_widths.to_layout();
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let mut stops = Vec::new();
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let details = match border_style_struct.border_image_source {
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Either::First(_) => Some(BorderDetails::Normal(NormalBorder {
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left: BorderSide {
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color: style.resolve_color(colors.left).to_layout(),
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style: border_style.left.to_layout(),
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},
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right: BorderSide {
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color: style.resolve_color(colors.right).to_layout(),
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style: border_style.right.to_layout(),
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},
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top: BorderSide {
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color: style.resolve_color(colors.top).to_layout(),
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style: border_style.top.to_layout(),
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},
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bottom: BorderSide {
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color: style.resolve_color(colors.bottom).to_layout(),
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style: border_style.bottom.to_layout(),
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},
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radius: border_radius,
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})),
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Either::Second(Image::Gradient(ref gradient)) => Some(match gradient.kind {
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GradientKind::Linear(angle_or_corner) => {
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let (wr_gradient, linear_stops) = convert_linear_gradient(
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style,
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bounds.size,
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&gradient.items[..],
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angle_or_corner,
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gradient.repeating,
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);
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stops = linear_stops;
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BorderDetails::NinePatch(webrender_api::NinePatchBorder {
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source: webrender_api::NinePatchBorderSource::Gradient(wr_gradient),
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width: 0,
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height: 0,
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slice: SideOffsets2D::zero(),
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fill: false,
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repeat_horizontal: webrender_api::RepeatMode::Stretch,
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repeat_vertical: webrender_api::RepeatMode::Stretch,
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outset: outset_layout,
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})
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},
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GradientKind::Radial(shape, center, _angle) => {
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let (wr_gradient, radial_stops) = convert_radial_gradient(
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style,
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bounds.size,
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&gradient.items[..],
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shape,
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center,
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gradient.repeating,
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);
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stops = radial_stops;
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BorderDetails::NinePatch(webrender_api::NinePatchBorder {
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source: webrender_api::NinePatchBorderSource::RadialGradient(wr_gradient),
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width: 0,
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height: 0,
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slice: SideOffsets2D::zero(),
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fill: false,
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repeat_horizontal: webrender_api::RepeatMode::Stretch,
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repeat_vertical: webrender_api::RepeatMode::Stretch,
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outset: outset_layout,
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})
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},
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}),
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Either::Second(Image::PaintWorklet(ref paint_worklet)) => self
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.get_webrender_image_for_paint_worklet(state, style, paint_worklet, size)
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.and_then(|image| {
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build_image_border_details(image, border_style_struct, outset_layout)
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}),
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Either::Second(Image::Rect(..)) => {
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// TODO: Handle border-image with `-moz-image-rect`.
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None
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Either::First(_) => {
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if border_widths == SideOffsets2D::zero() {
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None
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} else {
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Some(BorderDetails::Normal(NormalBorder {
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left: BorderSide {
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color: style.resolve_color(colors.left).to_layout(),
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style: border_style.left.to_layout(),
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},
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right: BorderSide {
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color: style.resolve_color(colors.right).to_layout(),
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style: border_style.right.to_layout(),
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},
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top: BorderSide {
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color: style.resolve_color(colors.top).to_layout(),
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style: border_style.top.to_layout(),
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},
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bottom: BorderSide {
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color: style.resolve_color(colors.bottom).to_layout(),
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style: border_style.bottom.to_layout(),
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},
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radius: border_radius,
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}))
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}
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},
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Either::Second(Image::Element(..)) => {
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// TODO: Handle border-image with `-moz-element`.
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None
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Either::Second(ref image) => {
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build_border_image_details(
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bounds,
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border_widths,
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border_style_struct,
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|fallback_size| match image {
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Image::Url(ref image_url) => image_url
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.url()
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.and_then(|url| {
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state.layout_context.get_webrender_image_for_url(
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self.node,
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url.clone(),
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UsePlaceholder::No,
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)
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}).and_then(convert_image_to_border),
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Image::PaintWorklet(ref paint_worklet) => self
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.get_webrender_image_for_paint_worklet(
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state,
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style,
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paint_worklet,
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fallback_size,
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).and_then(convert_image_to_border),
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Image::Gradient(ref gradient) => match gradient.kind {
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GradientKind::Linear(angle_or_corner) => {
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let (wr_gradient, linear_stops) = convert_linear_gradient(
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style,
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fallback_size,
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&gradient.items[..],
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angle_or_corner,
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gradient.repeating,
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);
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stops = linear_stops;
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Some((
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NinePatchBorderSource::Gradient(wr_gradient),
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convert_size_au_to_u32(fallback_size),
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))
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},
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GradientKind::Radial(shape, center, _angle) => {
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let (wr_gradient, radial_stops) = convert_radial_gradient(
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style,
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fallback_size,
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&gradient.items[..],
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shape,
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center,
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gradient.repeating,
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);
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stops = radial_stops;
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Some((
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NinePatchBorderSource::RadialGradient(wr_gradient),
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convert_size_au_to_u32(fallback_size),
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))
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},
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},
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_ => None,
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},
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).map(|(details, border)| {
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// The image's border width can differ from the "simple" color border width.
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layout_border_width = border;
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BorderDetails::NinePatch(details)
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})
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},
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Either::Second(Image::Url(ref image_url)) => image_url
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.url()
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.and_then(|url| {
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state.layout_context.get_webrender_image_for_url(
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self.node,
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url.clone(),
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UsePlaceholder::No,
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)
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}).and_then(|image| {
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build_image_border_details(image, border_style_struct, outset_layout)
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}),
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};
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if let Some(details) = details {
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state.add_display_item(DisplayItem::Border(CommonDisplayItem::with_data(
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base,
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webrender_api::BorderDisplayItem {
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widths: border_widths.to_layout(),
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widths: layout_border_width,
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details,
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},
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stops,
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