diff options
Diffstat (limited to 'components/layout/display_list_builder.rs')
| -rw-r--r-- | components/layout/display_list_builder.rs | 59 |
1 files changed, 27 insertions, 32 deletions
diff --git a/components/layout/display_list_builder.rs b/components/layout/display_list_builder.rs index 173a19196a5..4bc969b2e74 100644 --- a/components/layout/display_list_builder.rs +++ b/components/layout/display_list_builder.rs @@ -43,6 +43,7 @@ use std::default::Default; use std::sync::Arc; use std::{cmp, f32}; use style::computed_values::filter::Filter; +use style::computed_values::text_shadow::TextShadow; use style::computed_values::{_servo_overflow_clip_box as overflow_clip_box}; use style::computed_values::{background_attachment, background_clip, background_origin}; use style::computed_values::{background_repeat, background_size, border_style}; @@ -258,14 +259,12 @@ pub trait FragmentDisplayListBuilding { /// Creates the text display item for one text fragment. This can be called multiple times for /// one fragment if there are text shadows. /// - /// `shadow_blur_radius` will be `Some` if this is a shadow, even if the blur radius is zero. + /// `text_shadow` will be `Some` if this is rendering a shadow. fn build_display_list_for_text_fragment(&self, state: &mut DisplayListBuildState, text_fragment: &ScannedTextFragmentInfo, - text_color: RGBA, stacking_relative_content_box: &Rect<Au>, - shadow_blur_radius: Option<Au>, - offset: &Point2D<Au>, + text_shadow: Option<&TextShadow>, clip: &ClippingRegion); /// Creates the display item for a text decoration: underline, overline, or line-through. @@ -1150,32 +1149,19 @@ impl FragmentDisplayListBuilding for Fragment { // NB: According to CSS-BACKGROUNDS, text shadows render in *reverse* order (front // to back). - // TODO(emilio): Allow changing more properties by ::selection - let text_color = if text_fragment.selected() { - self.selected_style().get_color().color - } else { - self.style().get_color().color - }; - for text_shadow in self.style.get_inheritedtext().text_shadow.0.iter().rev() { - let offset = &Point2D::new(text_shadow.offset_x, text_shadow.offset_y); - let color = self.style().resolve_color(text_shadow.color); self.build_display_list_for_text_fragment(state, &**text_fragment, - color, &stacking_relative_content_box, - Some(text_shadow.blur_radius), - offset, + Some(text_shadow), clip); } // Create the main text display item. self.build_display_list_for_text_fragment(state, &**text_fragment, - text_color, &stacking_relative_content_box, None, - &Point2D::new(Au(0), Au(0)), clip); if opts::get().show_debug_fragment_borders { @@ -1539,11 +1525,22 @@ impl FragmentDisplayListBuilding for Fragment { fn build_display_list_for_text_fragment(&self, state: &mut DisplayListBuildState, text_fragment: &ScannedTextFragmentInfo, - text_color: RGBA, stacking_relative_content_box: &Rect<Au>, - shadow_blur_radius: Option<Au>, - offset: &Point2D<Au>, + text_shadow: Option<&TextShadow>, clip: &ClippingRegion) { + // TODO(emilio): Allow changing more properties by ::selection + let text_color = if let Some(shadow) = text_shadow { + // If we're painting a shadow, paint the text the same color as the shadow. + self.style().resolve_color(shadow.color) + } else if text_fragment.selected() { + // Otherwise, paint the text with the color as described in its styling. + self.selected_style().get_color().color + } else { + self.style().get_color().color + }; + let offset = text_shadow.map(|s| Point2D::new(s.offset_x, s.offset_y)).unwrap_or_else(Point2D::zero); + let shadow_blur_radius = text_shadow.map(|s| s.blur_radius).unwrap_or(Au(0)); + // Determine the orientation and cursor to use. let (orientation, cursor) = if self.style.writing_mode.is_vertical() { if self.style.writing_mode.is_sideways_left() { @@ -1560,7 +1557,7 @@ impl FragmentDisplayListBuilding for Fragment { // FIXME(pcwalton): Get the real container size. let container_size = Size2D::zero(); let metrics = &text_fragment.run.font_metrics; - let stacking_relative_content_box = stacking_relative_content_box.translate(offset); + let stacking_relative_content_box = stacking_relative_content_box.translate(&offset); let baseline_origin = stacking_relative_content_box.origin + LogicalPoint::new(self.style.writing_mode, Au(0), @@ -1580,19 +1577,17 @@ impl FragmentDisplayListBuilding for Fragment { text_color: text_color.to_gfx_color(), orientation: orientation, baseline_origin: baseline_origin, - blur_radius: shadow_blur_radius.unwrap_or(Au(0)), + blur_radius: shadow_blur_radius, })); // Create display items for text decorations. let mut text_decorations = self.style() .get_inheritedtext() ._servo_text_decorations_in_effect; - if shadow_blur_radius.is_some() { - // If we're painting a shadow, paint the decorations the same color as the shadow. - text_decorations.underline = text_decorations.underline.map(|_| text_color); - text_decorations.overline = text_decorations.overline.map(|_| text_color); - text_decorations.line_through = text_decorations.line_through.map(|_| text_color); - } + // Note that the text decoration colors are always the same as the text color. + text_decorations.underline = text_decorations.underline.map(|_| text_color); + text_decorations.overline = text_decorations.overline.map(|_| text_color); + text_decorations.line_through = text_decorations.line_through.map(|_| text_color); let stacking_relative_content_box = LogicalRect::from_physical(self.style.writing_mode, @@ -1607,7 +1602,7 @@ impl FragmentDisplayListBuilding for Fragment { underline_color, &stacking_relative_box, clip, - shadow_blur_radius.unwrap_or(Au(0))); + shadow_blur_radius); } if let Some(ref overline_color) = text_decorations.overline { @@ -1617,7 +1612,7 @@ impl FragmentDisplayListBuilding for Fragment { overline_color, &stacking_relative_box, clip, - shadow_blur_radius.unwrap_or(Au(0))); + shadow_blur_radius); } if let Some(ref line_through_color) = text_decorations.line_through { @@ -1629,7 +1624,7 @@ impl FragmentDisplayListBuilding for Fragment { line_through_color, &stacking_relative_box, clip, - shadow_blur_radius.unwrap_or(Au(0))); + shadow_blur_radius); } } |