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Implement background-position-x/y

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This commit is contained in:
Nazım Can Altınova 2016-12-10 21:55:37 +03:00
parent a409d41d1d
commit b302642592
4 changed files with 183 additions and 2 deletions
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54
components/style/properties/gecko.mako.rs
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@ -1597,7 +1597,9 @@ fn static_assert() {
background-image background-clip
background-origin background-attachment
background-size background-position
background-blend-mode""" %>
background-blend-mode
background-position-x
background-position-y""" %>
<%self:impl_trait style_struct_name="Background"
skip_longhands="${skip_background_longhands}"
skip_additionals="*">
@ -1635,6 +1637,56 @@ fn static_assert() {
T::luminosity => structs::NS_STYLE_BLEND_LUMINOSITY as u8,
}
</%self:simple_image_array_property>
% for orientation in [("x", "Horizontal"), ("y", "Vertical")]:
pub fn copy_background_position_${orientation[0]}_from(&mut self, other: &Self) {
use gecko_bindings::structs::nsStyleImageLayers_LayerType as LayerType;
self.gecko.mImage.mPosition${orientation[0].upper()}Count
= cmp::min(1, other.gecko.mImage.mPosition${orientation[0].upper()}Count);
self.gecko.mImage.mLayers.mFirstElement.mPosition =
other.gecko.mImage.mLayers.mFirstElement.mPosition;
unsafe {
Gecko_EnsureImageLayersLength(&mut self.gecko.mImage,
other.gecko.mImage.mLayers.len(),
LayerType::Background);
}
for (layer, other) in self.gecko.mImage.mLayers.iter_mut()
.zip(other.gecko.mImage.mLayers.iter()) {
layer.mPosition.m${orientation[0].upper()}Position
= other.mPosition.m${orientation[0].upper()}Position;
}
self.gecko.mImage.mPosition${orientation[0].upper()}Count
= other.gecko.mImage.mPosition${orientation[0].upper()}Count;
}
pub fn clone_background_position_${orientation[0]}(&self)
-> longhands::background_position_${orientation[0]}::computed_value::T {
use values::computed::position::${orientation[1]}Position;
longhands::background_position_${orientation[0]}::computed_value::T(
self.gecko.mImage.mLayers.iter()
.take(self.gecko.mImage.mPosition${orientation[0].upper()}Count as usize)
.map(|position| ${orientation[1]}Position(position.mPosition.m${orientation[0].upper()}Position.into()))
.collect()
)
}
pub fn set_background_position_${orientation[0]}(&mut self,
v: longhands::background_position_${orientation[0]}::computed_value::T) {
use gecko_bindings::structs::nsStyleImageLayers_LayerType as LayerType;
unsafe {
Gecko_EnsureImageLayersLength(&mut self.gecko.mImage, v.0.len(),
LayerType::Background);
}
self.gecko.mImage.mPosition${orientation[0].upper()}Count = v.0.len() as u32;
for (servo, geckolayer) in v.0.into_iter().zip(self.gecko.mImage
.mLayers.iter_mut()) {
geckolayer.mPosition.m${orientation[0].upper()}Position = servo.0.into();
}
}
% endfor
</%self:impl_trait>
<%self:impl_trait style_struct_name="List"