Mirrors/servo
1
0
Fork 0
mirror of https://github.com/servo/servo.git synced 2025-08-05 21:50:18 +01:00
Code Issues Projects Releases Packages Wiki Activity

Make background-image an array for stylo

Browse source
This commit is contained in:
Manish Goregaokar 2016-06-24 16:40:01 +05:30
parent 3a5a56807a
commit 38b57c435d
2 changed files with 69 additions and 61 deletions
Download patch file Download diff file Expand all files Collapse all files

4
components/style/properties/longhand/background.mako.rs
View file

@ -10,7 +10,7 @@ ${helpers.predefined_type("background-color", "CSSColor",
"::cssparser::Color::RGBA(::cssparser::RGBA { red: 0., green: 0., blue: 0., alpha: 0. }) /* transparent */",
animatable=True)}
<%helpers:longhand name="background-image" animatable="False">
<%helpers:gecko_autoarray_longhand name="background-image" animatable="False">
use cssparser::ToCss;
use std::fmt;
use values::specified::Image;
@ -70,7 +70,7 @@ ${helpers.predefined_type("background-color", "CSSColor",
}
}
}
</%helpers:longhand>
</%helpers:gecko_autoarray_longhand>
<%helpers:longhand name="background-position" animatable="True">
use cssparser::ToCss;

126
ports/geckolib/properties.mako.rs
View file

@ -946,7 +946,7 @@ fn static_assert() {
}
}
fn set_background_image(&mut self, image: longhands::background_image::computed_value::T) {
fn set_background_image(&mut self, images: longhands::background_image::computed_value::T) {
use gecko_bindings::structs::{NS_STYLE_GRADIENT_SHAPE_LINEAR, NS_STYLE_GRADIENT_SIZE_FARTHEST_CORNER};
use gecko_bindings::structs::nsStyleCoord;
use style::values::computed::Image;
@ -955,76 +955,84 @@ fn static_assert() {
unsafe {
// Prevent leaking of the last element we did set
Gecko_SetNullImageValue(&mut self.gecko.mImage.mLayers.mFirstElement.mImage);
for image in &mut self.gecko.mImage.mLayers {
Gecko_SetNullImageValue(&mut image.mImage)
}
}
self.gecko.mImage.mImageCount = cmp::max(1, self.gecko.mImage.mImageCount);
if let Some(image) = image.0 {
match image {
Image::LinearGradient(ref gradient) => {
let stop_count = gradient.stops.len();
if stop_count >= ::std::u32::MAX as usize {
warn!("stylo: Prevented overflow due to too many gradient stops");
return;
}
self.gecko.mImage.mImageCount = cmp::max(self.gecko.mImage.mLayers.len() as u32,
self.gecko.mImage.mImageCount);
let gecko_gradient = unsafe {
Gecko_CreateGradient(NS_STYLE_GRADIENT_SHAPE_LINEAR as u8,
NS_STYLE_GRADIENT_SIZE_FARTHEST_CORNER as u8,
/* repeating = */ false,
/* legacy_syntax = */ false,
stop_count as u32)
};
// TODO: figure out what gecko does in the `corner` case.
if let AngleOrCorner::Angle(angle) = gradient.angle_or_corner {
unsafe {
(*gecko_gradient).mAngle.set(angle);
// TODO: pre-grow the nsTArray to the right capacity
// otherwise the below code won't work
for (image, geckoimage) in images.0.into_iter().zip(self.gecko.mImage.mLayers.iter_mut()) {
if let Some(image) = image.0 {
match image {
Image::LinearGradient(ref gradient) => {
let stop_count = gradient.stops.len();
if stop_count >= ::std::u32::MAX as usize {
warn!("stylo: Prevented overflow due to too many gradient stops");
return;
}
}
let mut coord: nsStyleCoord = unsafe { uninitialized() };
for (index, stop) in gradient.stops.iter().enumerate() {
// NB: stops are guaranteed to be none in the gecko side by
// default.
coord.set(stop.position);
let color = match stop.color {
CSSColor::CurrentColor => {
// TODO(emilio): gecko just stores an nscolor,
// and it doesn't seem to support currentColor
// as value in a gradient.
//
// Double-check it and either remove
// currentColor for servo or see how gecko
// handles this.
0
},
CSSColor::RGBA(ref rgba) => convert_rgba_to_nscolor(rgba),
let gecko_gradient = unsafe {
Gecko_CreateGradient(NS_STYLE_GRADIENT_SHAPE_LINEAR as u8,
NS_STYLE_GRADIENT_SIZE_FARTHEST_CORNER as u8,
/* repeating = */ false,
/* legacy_syntax = */ false,
stop_count as u32)
};
let mut stop = unsafe {
&mut (*gecko_gradient).mStops[index]
};
// TODO: figure out what gecko does in the `corner` case.
if let AngleOrCorner::Angle(angle) = gradient.angle_or_corner {
unsafe {
(*gecko_gradient).mAngle.set(angle);
}
}
stop.mColor = color;
stop.mIsInterpolationHint = false;
stop.mLocation.copy_from(&coord);
}
let mut coord: nsStyleCoord = unsafe { uninitialized() };
for (index, stop) in gradient.stops.iter().enumerate() {
// NB: stops are guaranteed to be none in the gecko side by
// default.
coord.set(stop.position);
let color = match stop.color {
CSSColor::CurrentColor => {
// TODO(emilio): gecko just stores an nscolor,
// and it doesn't seem to support currentColor
// as value in a gradient.
//
// Double-check it and either remove
// currentColor for servo or see how gecko
// handles this.
0
},
CSSColor::RGBA(ref rgba) => convert_rgba_to_nscolor(rgba),
};
unsafe {
Gecko_SetGradientImageValue(&mut self.gecko.mImage.mLayers.mFirstElement.mImage,
gecko_gradient);
let mut stop = unsafe {
&mut (*gecko_gradient).mStops[index]
};
stop.mColor = color;
stop.mIsInterpolationHint = false;
stop.mLocation.copy_from(&coord);
}
unsafe {
Gecko_SetGradientImageValue(&mut geckoimage.mImage, gecko_gradient);
}
},
Image::Url(_) => {
// let utf8_bytes = url.as_bytes();
// Gecko_SetUrlImageValue(&mut self.gecko.mImage.mLayers.mFirstElement,
// utf8_bytes.as_ptr() as *const _,
// utf8_bytes.len());
warn!("stylo: imgRequestProxies are not threadsafe in gecko, \
background-image: url() not yet implemented");
}
},
Image::Url(_) => {
// let utf8_bytes = url.as_bytes();
// Gecko_SetUrlImageValue(&mut self.gecko.mImage.mLayers.mFirstElement,
// utf8_bytes.as_ptr() as *const _,
// utf8_bytes.len());
warn!("stylo: imgRequestProxies are not threadsafe in gecko, \
background-image: url() not yet implemented");
}
}
}
}
</%self:impl_trait>