зеркало из https://github.com/mozilla/gecko-dev.git
servo: Merge #18380 - Make font-variation-settings animatable (from dadaa:make-font-variation-settings-animatable); r=birtles
<!-- Please describe your changes on the following line: --> https://bugzilla.mozilla.org/show_bug.cgi?id=1390702 r=birtles --- <!-- Thank you for contributing to Servo! Please replace each `[ ]` by `[X]` when the step is complete, and replace `__` with appropriate data: --> - [X] `./mach build -d` does not report any errors - [X] `./mach build-geckolib` does not report any errors - [X] `./mach test-tidy` does not report any errors - [X] `./mach test-tidy --stylo` does not report any errors - [X] `./mach test-unit -p style` does not report any errors <!-- Either: --> - [X] There are tests for these changes. The test codes are patch part 4 in https://bugzilla.mozilla.org/show_bug.cgi?id=1390702 <!-- Also, please make sure that "Allow edits from maintainers" checkbox is checked, so that we can help you if you get stuck somewhere along the way.--> <!-- Pull requests that do not address these steps are welcome, but they will require additional verification as part of the review process. --> Source-Repo: https://github.com/servo/servo Source-Revision: 449ffb23acdd0098193458856de88ec4198724fc --HG-- extra : subtree_source : https%3A//hg.mozilla.org/projects/converted-servo-linear extra : subtree_revision : e8204425646e4d7334ef9fa825767d38a60f97ee
This commit is contained in:
Родитель
45cb996f32
Коммит
c95d1b3824
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@ -5,7 +5,7 @@
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// `data` comes from components/style/properties.mako.rs; see build.rs for more details.
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// `data` comes from components/style/properties.mako.rs; see build.rs for more details.
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<%!
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<%!
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from data import to_rust_ident, to_camel_case
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from data import to_rust_ident, to_camel_case, to_camel_case_lower
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from data import Keyword
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from data import Keyword
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%>
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%>
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<%namespace name="helpers" file="/helpers.mako.rs" />
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<%namespace name="helpers" file="/helpers.mako.rs" />
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@ -1070,6 +1070,67 @@ impl Clone for ${style_struct.gecko_struct_name} {
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}
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}
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</%def>
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</%def>
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<%def name="impl_font_settings(ident, tag_type)">
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<%
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gecko_ffi_name = to_camel_case_lower(ident)
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%>
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pub fn set_${ident}(&mut self, v: longhands::${ident}::computed_value::T) {
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use values::generics::FontSettings;
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let current_settings = &mut self.gecko.mFont.${gecko_ffi_name};
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current_settings.clear_pod();
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match v {
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FontSettings::Normal => (), // do nothing, length is already 0
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FontSettings::Tag(other_settings) => {
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unsafe { current_settings.set_len_pod(other_settings.len() as u32) };
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for (current, other) in current_settings.iter_mut().zip(other_settings) {
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current.mTag = other.tag;
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current.mValue = other.value.0;
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}
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}
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};
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}
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pub fn copy_${ident}_from(&mut self, other: &Self) {
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let current_settings = &mut self.gecko.mFont.${gecko_ffi_name};
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let other_settings = &other.gecko.mFont.${gecko_ffi_name};
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let settings_length = other_settings.len() as u32;
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current_settings.clear_pod();
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unsafe { current_settings.set_len_pod(settings_length) };
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for (current, other) in current_settings.iter_mut().zip(other_settings.iter()) {
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current.mTag = other.mTag;
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current.mValue = other.mValue;
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}
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}
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pub fn reset_${ident}(&mut self, other: &Self) {
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self.copy_${ident}_from(other)
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}
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pub fn clone_${ident}(&self) -> longhands::${ident}::computed_value::T {
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use values::generics::{FontSettings, FontSettingTag, ${tag_type}} ;
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if self.gecko.mFont.${gecko_ffi_name}.len() == 0 {
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FontSettings::Normal
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} else {
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FontSettings::Tag(
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self.gecko.mFont.${gecko_ffi_name}.iter().map(|gecko_font_setting| {
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FontSettingTag {
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tag: gecko_font_setting.mTag,
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value: ${tag_type}(gecko_font_setting.mValue),
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}
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}).collect()
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)
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}
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}
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</%def>
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<%def name="raw_impl_trait(style_struct, skip_longhands='', skip_additionals='')">
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<%def name="raw_impl_trait(style_struct, skip_longhands='', skip_additionals='')">
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<%
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<%
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longhands = [x for x in style_struct.longhands
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longhands = [x for x in style_struct.longhands
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@ -2069,98 +2130,8 @@ fn static_assert() {
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skip_longhands="${skip_font_longhands}"
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skip_longhands="${skip_font_longhands}"
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skip_additionals="*">
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skip_additionals="*">
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pub fn set_font_feature_settings(&mut self, v: longhands::font_feature_settings::computed_value::T) {
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<% impl_font_settings("font_feature_settings", "FontSettingTagInt") %>
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use values::generics::FontSettings;
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<% impl_font_settings("font_variation_settings", "FontSettingTagFloat") %>
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let current_settings = &mut self.gecko.mFont.fontFeatureSettings;
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current_settings.clear_pod();
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match v {
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FontSettings::Normal => (), // do nothing, length is already 0
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FontSettings::Tag(feature_settings) => {
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unsafe { current_settings.set_len_pod(feature_settings.len() as u32) };
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for (current, feature) in current_settings.iter_mut().zip(feature_settings) {
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current.mTag = feature.tag;
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current.mValue = feature.value.0;
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}
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}
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};
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}
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pub fn copy_font_feature_settings_from(&mut self, other: &Self) {
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let current_settings = &mut self.gecko.mFont.fontFeatureSettings;
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let feature_settings = &other.gecko.mFont.fontFeatureSettings;
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let settings_length = feature_settings.len() as u32;
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current_settings.clear_pod();
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unsafe { current_settings.set_len_pod(settings_length) };
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for (current, feature) in current_settings.iter_mut().zip(feature_settings.iter()) {
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current.mTag = feature.mTag;
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current.mValue = feature.mValue;
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}
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}
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pub fn reset_font_feature_settings(&mut self, other: &Self) {
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self.copy_font_feature_settings_from(other)
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}
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pub fn clone_font_feature_settings(&self) -> longhands::font_feature_settings::computed_value::T {
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use values::generics::{FontSettings, FontSettingTag, FontSettingTagInt} ;
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if self.gecko.mFont.fontFeatureSettings.len() == 0 {
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FontSettings::Normal
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} else {
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FontSettings::Tag(
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self.gecko.mFont.fontFeatureSettings.iter().map(|gecko_font_feature_setting| {
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FontSettingTag {
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tag: gecko_font_feature_setting.mTag,
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value: FontSettingTagInt(gecko_font_feature_setting.mValue),
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}
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}).collect()
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)
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}
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}
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pub fn set_font_variation_settings(&mut self, v: longhands::font_variation_settings::computed_value::T) {
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use values::generics::FontSettings;
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let current_settings = &mut self.gecko.mFont.fontVariationSettings;
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current_settings.clear_pod();
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match v {
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FontSettings::Normal => (), // do nothing, length is already 0
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FontSettings::Tag(feature_settings) => {
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unsafe { current_settings.set_len_pod(feature_settings.len() as u32) };
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for (current, feature) in current_settings.iter_mut().zip(feature_settings) {
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current.mTag = feature.tag;
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current.mValue = feature.value.0;
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}
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}
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};
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}
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pub fn copy_font_variation_settings_from(&mut self, other: &Self ) {
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let current_settings = &mut self.gecko.mFont.fontVariationSettings;
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let feature_settings = &other.gecko.mFont.fontVariationSettings;
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let settings_length = feature_settings.len() as u32;
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current_settings.clear_pod();
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unsafe { current_settings.set_len_pod(settings_length) };
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for (current, feature) in current_settings.iter_mut().zip(feature_settings.iter()) {
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current.mTag = feature.mTag;
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current.mValue = feature.mValue;
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}
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}
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pub fn reset_font_variation_settings(&mut self, other: &Self) {
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self.copy_font_variation_settings_from(other)
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}
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pub fn fixup_none_generic(&mut self, device: &Device) {
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pub fn fixup_none_generic(&mut self, device: &Device) {
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self.gecko.mFont.systemFont = false;
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self.gecko.mFont.systemFont = false;
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@ -20,6 +20,8 @@ use properties::longhands::background_size::computed_value::T as BackgroundSizeL
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use properties::longhands::border_spacing::computed_value::T as BorderSpacing;
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use properties::longhands::border_spacing::computed_value::T as BorderSpacing;
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use properties::longhands::font_weight::computed_value::T as FontWeight;
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use properties::longhands::font_weight::computed_value::T as FontWeight;
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use properties::longhands::font_stretch::computed_value::T as FontStretch;
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use properties::longhands::font_stretch::computed_value::T as FontStretch;
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#[cfg(feature = "gecko")]
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use properties::longhands::font_variation_settings::computed_value::T as FontVariationSettings;
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use properties::longhands::line_height::computed_value::T as LineHeight;
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use properties::longhands::line_height::computed_value::T as LineHeight;
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use properties::longhands::transform::computed_value::ComputedMatrix;
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use properties::longhands::transform::computed_value::ComputedMatrix;
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use properties::longhands::transform::computed_value::ComputedOperation as TransformOperation;
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use properties::longhands::transform::computed_value::ComputedOperation as TransformOperation;
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@ -54,6 +56,9 @@ use values::computed::length::{NonNegativeLengthOrAuto, NonNegativeLengthOrNorma
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use values::computed::length::NonNegativeLengthOrPercentage;
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use values::computed::length::NonNegativeLengthOrPercentage;
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use values::computed::transform::DirectionVector;
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use values::computed::transform::DirectionVector;
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use values::distance::{ComputeSquaredDistance, SquaredDistance};
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use values::distance::{ComputeSquaredDistance, SquaredDistance};
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#[cfg(feature = "gecko")] use values::generics::FontSettings as GenericFontSettings;
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#[cfg(feature = "gecko")] use values::generics::FontSettingTag as GenericFontSettingTag;
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#[cfg(feature = "gecko")] use values::generics::FontSettingTagFloat;
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use values::generics::NonNegative;
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use values::generics::NonNegative;
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use values::generics::effects::Filter;
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use values::generics::effects::Filter;
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use values::generics::position as generic_position;
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use values::generics::position as generic_position;
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@ -915,6 +920,177 @@ impl Into<FontStretch> for f64 {
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}
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}
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}
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}
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/// https://drafts.csswg.org/css-fonts-4/#font-variation-settings-def
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#[cfg(feature = "gecko")]
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impl Animate for FontVariationSettings {
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#[inline]
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fn animate(&self, other: &Self, procedure: Procedure) -> Result<Self, ()> {
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FontSettingTagIter::new(self, other)?
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.map(|r| r.and_then(|(st, ot)| st.animate(&ot, procedure)))
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.collect::<Result<Vec<FontSettingTag>, ()>>()
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.map(GenericFontSettings::Tag)
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}
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}
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#[cfg(feature = "gecko")]
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impl ComputeSquaredDistance for FontVariationSettings {
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#[inline]
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fn compute_squared_distance(&self, other: &Self) -> Result<SquaredDistance, ()> {
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FontSettingTagIter::new(self, other)?
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.map(|r| r.and_then(|(st, ot)| st.compute_squared_distance(&ot)))
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.sum()
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}
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}
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#[cfg(feature = "gecko")]
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impl ToAnimatedZero for FontVariationSettings {
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#[inline]
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fn to_animated_zero(&self) -> Result<Self, ()> {
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Err(())
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}
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}
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#[cfg(feature = "gecko")]
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impl Animate for FontSettingTag {
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#[inline]
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fn animate(&self, other: &Self, procedure: Procedure) -> Result<Self, ()> {
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if self.tag != other.tag {
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return Err(());
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}
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let value = self.value.animate(&other.value, procedure)?;
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Ok(FontSettingTag {
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tag: self.tag,
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value,
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})
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}
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}
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#[cfg(feature = "gecko")]
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impl ComputeSquaredDistance for FontSettingTag {
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#[inline]
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fn compute_squared_distance(&self, other: &Self) -> Result<SquaredDistance, ()> {
|
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if self.tag != other.tag {
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return Err(());
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}
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self.value.compute_squared_distance(&other.value)
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}
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}
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#[cfg(feature = "gecko")]
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type FontSettingTag = GenericFontSettingTag<FontSettingTagFloat>;
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#[cfg(feature = "gecko")]
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struct FontSettingTagIterState<'a> {
|
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tags: Vec<(&'a FontSettingTag)>,
|
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index: usize,
|
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prev_tag: u32,
|
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}
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|
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|
#[cfg(feature = "gecko")]
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impl<'a> FontSettingTagIterState<'a> {
|
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fn new(tags: Vec<(&'a FontSettingTag)>) -> FontSettingTagIterState<'a> {
|
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|
FontSettingTagIterState {
|
||||||
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index: tags.len(),
|
||||||
|
tags,
|
||||||
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prev_tag: 0,
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
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|
|
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/// Iterator for font-variation-settings tag lists
|
||||||
|
///
|
||||||
|
/// [CSS fonts level 4](https://drafts.csswg.org/css-fonts-4/#descdef-font-face-font-variation-settings)
|
||||||
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/// defines the animation of font-variation-settings as follows:
|
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|
///
|
||||||
|
/// Two declarations of font-feature-settings[sic] can be animated between if they are "like".
|
||||||
|
/// "Like" declarations are ones where the same set of properties appear (in any order).
|
||||||
|
/// Because succesive[sic] duplicate properties are applied instead of prior duplicate
|
||||||
|
/// properties, two declarations can be "like" even if they have differing number of
|
||||||
|
/// properties. If two declarations are "like" then animation occurs pairwise between
|
||||||
|
/// corresponding values in the declarations.
|
||||||
|
///
|
||||||
|
/// In other words if we have the following lists:
|
||||||
|
///
|
||||||
|
/// "wght" 1.4, "wdth" 5, "wght" 2
|
||||||
|
/// "wdth" 8, "wght" 4, "wdth" 10
|
||||||
|
///
|
||||||
|
/// We should animate between:
|
||||||
|
///
|
||||||
|
/// "wdth" 5, "wght" 2
|
||||||
|
/// "wght" 4, "wdth" 10
|
||||||
|
///
|
||||||
|
/// This iterator supports this by sorting the two lists, then iterating them in reverse,
|
||||||
|
/// and skipping entries with repeated tag names. It will return Some(Err()) if it reaches the
|
||||||
|
/// end of one list before the other, or if the tag names do not match.
|
||||||
|
///
|
||||||
|
/// For the above example, this iterator would return:
|
||||||
|
///
|
||||||
|
/// Some(Ok("wght" 2, "wght" 4))
|
||||||
|
/// Some(Ok("wdth" 5, "wdth" 10))
|
||||||
|
/// None
|
||||||
|
///
|
||||||
|
#[cfg(feature = "gecko")]
|
||||||
|
struct FontSettingTagIter<'a> {
|
||||||
|
a_state: FontSettingTagIterState<'a>,
|
||||||
|
b_state: FontSettingTagIterState<'a>,
|
||||||
|
}
|
||||||
|
|
||||||
|
#[cfg(feature = "gecko")]
|
||||||
|
impl<'a> FontSettingTagIter<'a> {
|
||||||
|
fn new(
|
||||||
|
a_settings: &'a FontVariationSettings,
|
||||||
|
b_settings: &'a FontVariationSettings,
|
||||||
|
) -> Result<FontSettingTagIter<'a>, ()> {
|
||||||
|
if let (&GenericFontSettings::Tag(ref a_tags), &GenericFontSettings::Tag(ref b_tags)) = (a_settings, b_settings)
|
||||||
|
{
|
||||||
|
fn as_new_sorted_tags(tags: &Vec<FontSettingTag>) -> Vec<(&FontSettingTag)> {
|
||||||
|
use std::iter::FromIterator;
|
||||||
|
let mut sorted_tags: Vec<(&FontSettingTag)> = Vec::from_iter(tags.iter());
|
||||||
|
sorted_tags.sort_by_key(|k| k.tag);
|
||||||
|
sorted_tags
|
||||||
|
};
|
||||||
|
|
||||||
|
Ok(FontSettingTagIter {
|
||||||
|
a_state: FontSettingTagIterState::new(as_new_sorted_tags(a_tags)),
|
||||||
|
b_state: FontSettingTagIterState::new(as_new_sorted_tags(b_tags)),
|
||||||
|
})
|
||||||
|
} else {
|
||||||
|
Err(())
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
fn next_tag(state: &mut FontSettingTagIterState<'a>) -> Option<(&'a FontSettingTag)> {
|
||||||
|
if state.index == 0 {
|
||||||
|
return None;
|
||||||
|
}
|
||||||
|
|
||||||
|
state.index -= 1;
|
||||||
|
let tag = state.tags[state.index];
|
||||||
|
if tag.tag == state.prev_tag {
|
||||||
|
FontSettingTagIter::next_tag(state)
|
||||||
|
} else {
|
||||||
|
state.prev_tag = tag.tag;
|
||||||
|
Some(tag)
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
|
#[cfg(feature = "gecko")]
|
||||||
|
impl<'a> Iterator for FontSettingTagIter<'a> {
|
||||||
|
type Item = Result<(&'a FontSettingTag, &'a FontSettingTag), ()>;
|
||||||
|
|
||||||
|
fn next(&mut self) -> Option<Result<(&'a FontSettingTag, &'a FontSettingTag), ()>> {
|
||||||
|
match (
|
||||||
|
FontSettingTagIter::next_tag(&mut self.a_state),
|
||||||
|
FontSettingTagIter::next_tag(&mut self.b_state),
|
||||||
|
) {
|
||||||
|
(Some(at), Some(bt)) if at.tag == bt.tag => Some(Ok((at, bt))),
|
||||||
|
(None, None) => None,
|
||||||
|
_ => Some(Err(())), // Mismatch number of unique tags or tag names.
|
||||||
|
}
|
||||||
|
}
|
||||||
|
}
|
||||||
|
|
||||||
impl<H, V> RepeatableListAnimatable for generic_position::Position<H, V>
|
impl<H, V> RepeatableListAnimatable for generic_position::Position<H, V>
|
||||||
where H: RepeatableListAnimatable, V: RepeatableListAnimatable {}
|
where H: RepeatableListAnimatable, V: RepeatableListAnimatable {}
|
||||||
|
|
||||||
|
|
|
@ -1995,7 +1995,8 @@ variation_spec = """\
|
||||||
https://drafts.csswg.org/css-fonts-4/#low-level-font-variation-settings-control-the-font-variation-settings-property\
|
https://drafts.csswg.org/css-fonts-4/#low-level-font-variation-settings-control-the-font-variation-settings-property\
|
||||||
"""
|
"""
|
||||||
%>
|
%>
|
||||||
<%helpers:longhand name="font-variation-settings" products="gecko" animation_value_type="none"
|
<%helpers:longhand name="font-variation-settings" products="gecko"
|
||||||
|
animation_value_type="ComputedValue"
|
||||||
flags="APPLIES_TO_FIRST_LETTER APPLIES_TO_FIRST_LINE APPLIES_TO_PLACEHOLDER"
|
flags="APPLIES_TO_FIRST_LETTER APPLIES_TO_FIRST_LINE APPLIES_TO_PLACEHOLDER"
|
||||||
spec="${variation_spec}">
|
spec="${variation_spec}">
|
||||||
use values::computed::ComputedValueAsSpecified;
|
use values::computed::ComputedValueAsSpecified;
|
||||||
|
|
|
@ -219,6 +219,7 @@ pub struct FontSettingTagInt(pub u32);
|
||||||
/// because it serializes with the preceding space
|
/// because it serializes with the preceding space
|
||||||
#[derive(Clone, Debug, PartialEq)]
|
#[derive(Clone, Debug, PartialEq)]
|
||||||
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
|
#[cfg_attr(feature = "servo", derive(HeapSizeOf))]
|
||||||
|
#[cfg_attr(feature = "gecko", derive(Animate, ComputeSquaredDistance))]
|
||||||
pub struct FontSettingTagFloat(pub f32);
|
pub struct FontSettingTagFloat(pub f32);
|
||||||
|
|
||||||
impl ToCss for FontSettingTagInt {
|
impl ToCss for FontSettingTagInt {
|
||||||
|
|
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