diff options
-rw-r--r-- | src/components/gfx/display_list/mod.rs | 39 | ||||
-rw-r--r-- | src/components/layout/fragment.rs | 111 | ||||
-rw-r--r-- | src/components/style/style.rs | 1 |
3 files changed, 61 insertions, 90 deletions
diff --git a/src/components/gfx/display_list/mod.rs b/src/components/gfx/display_list/mod.rs index 0ad7d945ae1..ec80734c182 100644 --- a/src/components/gfx/display_list/mod.rs +++ b/src/components/gfx/display_list/mod.rs @@ -469,17 +469,6 @@ pub struct SolidColorDisplayItem { pub color: Color, } -/// Text decoration information. -#[deriving(Clone)] -pub struct TextDecorations { - /// The color to use for underlining, if any. - pub underline: Option<Color>, - /// The color to use for overlining, if any. - pub overline: Option<Color>, - /// The color to use for line-through, if any. - pub line_through: Option<Color>, -} - /// Renders text. #[deriving(Clone)] pub struct TextDisplayItem { @@ -494,9 +483,6 @@ pub struct TextDisplayItem { /// The color of the text. pub text_color: Color, - - /// Text decorations in effect. - pub text_decorations: TextDecorations, } /// Renders an image. @@ -612,31 +598,6 @@ impl DisplayItem { baseline_origin, text.text_color); } - let width = text.base.bounds.size.width; - let underline_size = text_run.font_metrics.underline_size; - let underline_offset = text_run.font_metrics.underline_offset; - let strikeout_size = text_run.font_metrics.strikeout_size; - let strikeout_offset = text_run.font_metrics.strikeout_offset; - - for underline_color in text.text_decorations.underline.iter() { - let underline_y = baseline_origin.y - underline_offset; - let underline_bounds = Rect(Point2D(baseline_origin.x, underline_y), - Size2D(width, underline_size)); - render_context.draw_solid_color(&underline_bounds, *underline_color); - } - - for overline_color in text.text_decorations.overline.iter() { - let overline_bounds = Rect(Point2D(baseline_origin.x, origin.y), - Size2D(width, underline_size)); - render_context.draw_solid_color(&overline_bounds, *overline_color); - } - - for line_through_color in text.text_decorations.line_through.iter() { - let strikeout_y = baseline_origin.y - strikeout_offset; - let strikeout_bounds = Rect(Point2D(baseline_origin.x, strikeout_y), - Size2D(width, strikeout_size)); - render_context.draw_solid_color(&strikeout_bounds, *line_through_color); - } } ImageDisplayItemClass(ref image_item) => { diff --git a/src/components/layout/fragment.rs b/src/components/layout/fragment.rs index 42386a6f5a6..e0c0b2f6e88 100644 --- a/src/components/layout/fragment.rs +++ b/src/components/layout/fragment.rs @@ -28,7 +28,7 @@ use gfx::display_list::{ContentStackingLevel, DisplayItem, DisplayList, ImageDis use gfx::display_list::{ImageDisplayItemClass, LineDisplayItem}; use gfx::display_list::{LineDisplayItemClass, OpaqueNode, PseudoDisplayItemClass}; use gfx::display_list::{SolidColorDisplayItem, SolidColorDisplayItemClass, StackingLevel}; -use gfx::display_list::{TextDecorations, TextDisplayItem, TextDisplayItemClass}; +use gfx::display_list::{TextDisplayItem, TextDisplayItemClass}; use gfx::font::FontStyle; use gfx::text::glyph::CharIndex; use gfx::text::text_run::TextRun; @@ -46,7 +46,7 @@ use std::fmt; use std::from_str::FromStr; use std::mem; use std::num::Zero; -use style::{ComputedValues, TElement, TNode, cascade_anonymous}; +use style::{ComputedValues, TElement, TNode, cascade_anonymous, RGBA}; use style::computed_values::{LengthOrPercentageOrAuto, overflow, LPA_Auto, background_attachment}; use style::computed_values::{background_repeat, border_style, clear, position, text_align}; use style::computed_values::{text_decoration, vertical_align, visibility, white_space}; @@ -861,11 +861,12 @@ impl Fragment { -> ChildDisplayListAccumulator { // FIXME(#2795): Get the real container size let container_size = Size2D::zero(); + let rect_to_absolute = |logical_rect: LogicalRect<Au>| { + let physical_rect = logical_rect.to_physical(self.style.writing_mode, container_size); + Rect(physical_rect.origin + flow_origin, physical_rect.size) + }; // Fragment position wrt to the owning flow. - let fragment_bounds = self.border_box.to_physical(self.style.writing_mode, container_size); - let absolute_fragment_bounds = Rect( - fragment_bounds.origin + flow_origin, - fragment_bounds.size); + let absolute_fragment_bounds = rect_to_absolute(self.border_box); debug!("Fragment::build_display_list at rel={}, abs={}: {}", self.border_box, absolute_fragment_bounds, @@ -925,45 +926,67 @@ impl Fragment { level); } + let content_box = self.content_box(); + let absolute_content_box = rect_to_absolute(content_box); + // Add a clip, if applicable. match self.specific { UnscannedTextFragment(_) => fail!("Shouldn't see unscanned fragments here."), TableColumnFragment(_) => fail!("Shouldn't see table column fragments here."), ScannedTextFragment(ref text_fragment) => { - // Compute text color. - let text_color = self.style().get_color().color.to_gfx_color(); - - // Compute text decorations. - let text_decorations_in_effect = self.style() - .get_inheritedtext() - ._servo_text_decorations_in_effect; - let text_decorations = TextDecorations { - underline: text_decorations_in_effect.underline.map(|c| c.to_gfx_color()), - overline: text_decorations_in_effect.overline.map(|c| c.to_gfx_color()), - line_through: text_decorations_in_effect.line_through - .map(|c| c.to_gfx_color()), - }; - - let mut bounds = absolute_fragment_bounds.clone(); - let mut border_padding = self.border_padding.clone(); - border_padding.block_start = Au::new(0); - border_padding.block_end = Au::new(0); - let border_padding = border_padding.to_physical(self.style.writing_mode); - bounds.origin.x = bounds.origin.x + border_padding.left; - bounds.origin.y = bounds.origin.y + border_padding.top; - bounds.size.width = bounds.size.width - border_padding.horizontal(); - bounds.size.height = bounds.size.height - border_padding.vertical(); - - // Create the text fragment. + // Create the text display item. let text_display_item = box TextDisplayItem { - base: BaseDisplayItem::new(bounds, self.node, ContentStackingLevel), + base: BaseDisplayItem::new( + absolute_content_box, self.node, ContentStackingLevel), text_run: text_fragment.run.clone(), range: text_fragment.range, - text_color: text_color, - text_decorations: text_decorations, + text_color: self.style().get_color().color.to_gfx_color(), }; accumulator.push(display_list, TextDisplayItemClass(text_display_item)); + + // Create display items for text decoration + { + let line = |maybe_color: Option<RGBA>, rect: || -> LogicalRect<Au>| { + match maybe_color { + None => {}, + Some(color) => { + accumulator.push(display_list, SolidColorDisplayItemClass( + box SolidColorDisplayItem { + base: BaseDisplayItem::new( + rect_to_absolute(rect()), + self.node, ContentStackingLevel), + color: color.to_gfx_color(), + } + )); + } + } + }; + + let text_decorations = + self.style().get_inheritedtext()._servo_text_decorations_in_effect; + let metrics = &text_fragment.run.font_metrics; + line(text_decorations.underline, || { + let mut rect = content_box.clone(); + rect.start.b = rect.start.b + metrics.ascent - metrics.underline_offset; + rect.size.block = metrics.underline_size; + rect + }); + + line(text_decorations.overline, || { + let mut rect = content_box.clone(); + rect.size.block = metrics.underline_size; + rect + }); + + line(text_decorations.line_through, || { + let mut rect = content_box.clone(); + rect.start.b = rect.start.b + metrics.ascent - metrics.strikeout_offset; + rect.size.block = metrics.strikeout_size; + rect + }); + } + // Draw debug frames for text bounds. // // FIXME(#2263, pcwalton): This is a bit of an abuse of the logging infrastructure. @@ -979,13 +1002,6 @@ impl Fragment { debug!("{:?}", self.build_debug_borders_around_fragment(display_list, flow_origin)) }, ImageFragment(_) => { - let mut bounds = absolute_fragment_bounds.clone(); - let border_padding = self.border_padding.to_physical(self.style.writing_mode); - bounds.origin.x = bounds.origin.x + border_padding.left; - bounds.origin.y = bounds.origin.y + border_padding.top; - bounds.size.width = bounds.size.width - border_padding.horizontal(); - bounds.size.height = bounds.size.height - border_padding.vertical(); - match self.specific { ImageFragment(ref image_fragment) => { let image_ref = &image_fragment.image; @@ -995,11 +1011,11 @@ impl Fragment { // Place the image into the display list. let image_display_item = box ImageDisplayItem { - base: BaseDisplayItem::new(bounds, + base: BaseDisplayItem::new(absolute_content_box, self.node, ContentStackingLevel), image: image.clone(), - stretch_size: bounds.size, + stretch_size: absolute_content_box.size, }; accumulator.push(display_list, ImageDisplayItemClass(image_display_item)) @@ -1128,13 +1144,7 @@ impl Fragment { /// values are needed and that will save computation. #[inline] pub fn content_box(&self) -> LogicalRect<Au> { - LogicalRect::new( - self.style.writing_mode, - self.border_box.start.i + self.border_padding.inline_start, - self.border_box.start.b + self.border_padding.block_start, - self.border_box.size.inline - self.border_padding.inline_start_end(), - self.border_box.size.block - self.border_padding.block_start_end(), - ) + self.border_box - self.border_padding } /// Find the split of a fragment that includes a new-line character. @@ -1535,4 +1545,3 @@ impl ChildDisplayListAccumulator { flow::mut_base(parent).display_list = display_list } } - diff --git a/src/components/style/style.rs b/src/components/style/style.rs index cd3950b3bc2..2c544cccb8b 100644 --- a/src/components/style/style.rs +++ b/src/components/style/style.rs @@ -41,6 +41,7 @@ pub use properties::longhands; pub use node::{TElement, TNode}; pub use selectors::{PseudoElement, Before, After, SelectorList, parse_selector_list_from_str}; pub use selectors::{AttrSelector, NamespaceConstraint, SpecificNamespace, AnyNamespace}; +pub use cssparser::{Color, RGBA}; mod stylesheets; mod errors; |