mirror of
https://github.com/servo/servo.git
synced 2025-08-03 12:40:06 +01:00
Replace old transform code with new generic code
This commit is contained in:
Manish Goregaokar
parent
5ce2966bda
commit
6631594e28
10 changed files with 210 additions and 1268 deletions
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@ -18,9 +18,8 @@ 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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#[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::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::T as TransformList;
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use properties::longhands::transform::computed_value::ComputedOperation as ComputedTransformOperation;
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use properties::longhands::transform::computed_value::T as ComputedTransform;
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use properties::longhands::visibility::computed_value::T as Visibility;
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#[cfg(feature = "gecko")]
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use properties::PropertyId;
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@ -28,7 +27,6 @@ use properties::{LonghandId, ShorthandId};
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use selectors::parser::SelectorParseErrorKind;
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use servo_arc::Arc;
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use smallvec::SmallVec;
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use std::borrow::Cow;
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use std::cmp;
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use std::fmt;
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#[cfg(feature = "gecko")] use hash::FnvHashMap;
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@ -46,7 +44,8 @@ use values::computed::{LengthOrPercentageOrNone, MaxLength};
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use values::computed::{NonNegativeNumber, Number, NumberOrPercentage, Percentage};
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use values::computed::length::NonNegativeLengthOrPercentage;
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use values::computed::ToComputedValue;
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use values::computed::transform::DirectionVector;
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use values::computed::transform::{DirectionVector, Matrix3D};
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use values::generics::transform::{Transform, TransformOperation};
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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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@ -1014,60 +1013,6 @@ impl ToAnimatedZero for ClipRect {
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fn to_animated_zero(&self) -> Result<Self, ()> { Err(()) }
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}
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/// Build an equivalent 'identity transform function list' based
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/// on an existing transform list.
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/// <http://dev.w3.org/csswg/css-transforms/#none-transform-animation>
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impl ToAnimatedZero for TransformOperation {
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fn to_animated_zero(&self) -> Result<Self, ()> {
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match *self {
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TransformOperation::Matrix(..) => {
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Ok(TransformOperation::Matrix(ComputedMatrix::identity()))
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},
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TransformOperation::MatrixWithPercents(..) => {
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// FIXME(nox): Should be MatrixWithPercents value.
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Ok(TransformOperation::Matrix(ComputedMatrix::identity()))
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},
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TransformOperation::Skew(sx, sy) => {
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Ok(TransformOperation::Skew(
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sx.to_animated_zero()?,
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sy.to_animated_zero()?,
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))
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},
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TransformOperation::Translate(ref tx, ref ty, ref tz) => {
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Ok(TransformOperation::Translate(
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tx.to_animated_zero()?,
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ty.to_animated_zero()?,
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tz.to_animated_zero()?,
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))
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},
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TransformOperation::Scale(..) => {
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Ok(TransformOperation::Scale(1.0, 1.0, 1.0))
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},
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TransformOperation::Rotate(x, y, z, a) => {
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let (x, y, z, _) = TransformList::get_normalized_vector_and_angle(x, y, z, a);
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Ok(TransformOperation::Rotate(x, y, z, Angle::zero()))
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},
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TransformOperation::Perspective(..) |
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TransformOperation::AccumulateMatrix { .. } |
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TransformOperation::InterpolateMatrix { .. } => {
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// Perspective: We convert a perspective function into an equivalent
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// ComputedMatrix, and then decompose/interpolate/recompose these matrices.
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// AccumulateMatrix/InterpolateMatrix: We do interpolation on
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// AccumulateMatrix/InterpolateMatrix by reading it as a ComputedMatrix
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// (with layout information), and then do matrix interpolation.
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//
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// Therefore, we use an identity matrix to represent the identity transform list.
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// http://dev.w3.org/csswg/css-transforms/#identity-transform-function
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//
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// FIXME(nox): This does not actually work, given the impl of
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// Animate for TransformOperation bails out if the two given
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// values are dissimilar.
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Ok(TransformOperation::Matrix(ComputedMatrix::identity()))
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},
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}
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}
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}
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fn animate_multiplicative_factor(
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this: CSSFloat,
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other: CSSFloat,
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@ -1077,14 +1022,14 @@ fn animate_multiplicative_factor(
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}
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/// <http://dev.w3.org/csswg/css-transforms/#interpolation-of-transforms>
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impl Animate for TransformOperation {
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impl Animate for ComputedTransformOperation {
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fn animate(&self, other: &Self, procedure: Procedure) -> Result<Self, ()> {
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match (self, other) {
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(
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&TransformOperation::Matrix(ref this),
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&TransformOperation::Matrix(ref other),
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&TransformOperation::Matrix3D(ref this),
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&TransformOperation::Matrix3D(ref other),
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) => {
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Ok(TransformOperation::Matrix(
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Ok(TransformOperation::Matrix3D(
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this.animate(other, procedure)?,
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))
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},
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@ -1098,40 +1043,40 @@ impl Animate for TransformOperation {
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))
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},
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(
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&TransformOperation::Translate(ref fx, ref fy, ref fz),
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&TransformOperation::Translate(ref tx, ref ty, ref tz),
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&TransformOperation::Translate3D(ref fx, ref fy, ref fz),
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&TransformOperation::Translate3D(ref tx, ref ty, ref tz),
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) => {
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Ok(TransformOperation::Translate(
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Ok(TransformOperation::Translate3D(
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fx.animate(tx, procedure)?,
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fy.animate(ty, procedure)?,
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fz.animate(tz, procedure)?,
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))
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},
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(
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&TransformOperation::Scale(ref fx, ref fy, ref fz),
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&TransformOperation::Scale(ref tx, ref ty, ref tz),
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&TransformOperation::Scale3D(ref fx, ref fy, ref fz),
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&TransformOperation::Scale3D(ref tx, ref ty, ref tz),
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) => {
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Ok(TransformOperation::Scale(
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Ok(TransformOperation::Scale3D(
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animate_multiplicative_factor(*fx, *tx, procedure)?,
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animate_multiplicative_factor(*fy, *ty, procedure)?,
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animate_multiplicative_factor(*fz, *tz, procedure)?,
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))
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},
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(
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&TransformOperation::Rotate(fx, fy, fz, fa),
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&TransformOperation::Rotate(tx, ty, tz, ta),
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&TransformOperation::Rotate3D(fx, fy, fz, fa),
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&TransformOperation::Rotate3D(tx, ty, tz, ta),
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) => {
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let (fx, fy, fz, fa) =
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TransformList::get_normalized_vector_and_angle(fx, fy, fz, fa);
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ComputedTransform::get_normalized_vector_and_angle(fx, fy, fz, fa);
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let (tx, ty, tz, ta) =
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TransformList::get_normalized_vector_and_angle(tx, ty, tz, ta);
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ComputedTransform::get_normalized_vector_and_angle(tx, ty, tz, ta);
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if (fx, fy, fz) == (tx, ty, tz) {
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let ia = fa.animate(&ta, procedure)?;
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Ok(TransformOperation::Rotate(fx, fy, fz, ia))
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Ok(TransformOperation::Rotate3D(fx, fy, fz, ia))
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} else {
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let matrix_f = rotate_to_matrix(fx, fy, fz, fa);
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let matrix_t = rotate_to_matrix(tx, ty, tz, ta);
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Ok(TransformOperation::Matrix(
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Ok(TransformOperation::Matrix3D(
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matrix_f.animate(&matrix_t, procedure)?,
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))
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}
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@ -1140,15 +1085,15 @@ impl Animate for TransformOperation {
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&TransformOperation::Perspective(ref fd),
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&TransformOperation::Perspective(ref td),
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) => {
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let mut fd_matrix = ComputedMatrix::identity();
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let mut td_matrix = ComputedMatrix::identity();
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let mut fd_matrix = Matrix3D::identity();
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let mut td_matrix = Matrix3D::identity();
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if fd.px() > 0. {
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fd_matrix.m34 = -1. / fd.px();
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}
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if td.px() > 0. {
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td_matrix.m34 = -1. / td.px();
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}
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Ok(TransformOperation::Matrix(
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Ok(TransformOperation::Matrix3D(
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fd_matrix.animate(&td_matrix, procedure)?,
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))
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},
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@ -1157,12 +1102,12 @@ impl Animate for TransformOperation {
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}
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}
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fn is_matched_operation(first: &TransformOperation, second: &TransformOperation) -> bool {
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fn is_matched_operation(first: &ComputedTransformOperation, second: &ComputedTransformOperation) -> bool {
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match (first, second) {
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(&TransformOperation::Matrix(..),
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&TransformOperation::Matrix(..)) |
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(&TransformOperation::MatrixWithPercents(..),
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&TransformOperation::MatrixWithPercents(..)) |
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(&TransformOperation::PrefixedMatrix(..),
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&TransformOperation::PrefixedMatrix(..)) |
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(&TransformOperation::Skew(..),
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&TransformOperation::Skew(..)) |
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(&TransformOperation::Translate(..),
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@ -1179,12 +1124,12 @@ fn is_matched_operation(first: &TransformOperation, second: &TransformOperation)
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}
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/// <https://www.w3.org/TR/css-transforms-1/#Rotate3dDefined>
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fn rotate_to_matrix(x: f32, y: f32, z: f32, a: Angle) -> ComputedMatrix {
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fn rotate_to_matrix(x: f32, y: f32, z: f32, a: Angle) -> Matrix3D {
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let half_rad = a.radians() / 2.0;
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let sc = (half_rad).sin() * (half_rad).cos();
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let sq = (half_rad).sin().powi(2);
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ComputedMatrix {
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Matrix3D {
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m11: 1.0 - 2.0 * (y * y + z * z) * sq,
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m12: 2.0 * (x * y * sq + z * sc),
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m13: 2.0 * (x * z * sq - y * sc),
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@ -1214,7 +1159,7 @@ fn rotate_to_matrix(x: f32, y: f32, z: f32, a: Angle) -> ComputedMatrix {
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// FIXME: We use custom derive for ComputeSquaredDistance. However, If possible, we should convert
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// the InnerMatrix2D into types with physical meaning. This custom derive computes the squared
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// distance from each matrix item, and this makes the result different from that in Gecko if we
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// have skew factor in the ComputedMatrix.
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// have skew factor in the Matrix3D.
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pub struct InnerMatrix2D {
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pub m11: CSSFloat, pub m12: CSSFloat,
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pub m21: CSSFloat, pub m22: CSSFloat,
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@ -1324,7 +1269,7 @@ impl ComputeSquaredDistance for MatrixDecomposed2D {
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}
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}
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impl Animate for ComputedMatrix {
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impl Animate for Matrix3D {
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#[cfg(feature = "servo")]
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fn animate(&self, other: &Self, procedure: Procedure) -> Result<Self, ()> {
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if self.is_3d() || other.is_3d() {
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@ -1332,7 +1277,7 @@ impl Animate for ComputedMatrix {
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let decomposed_to = decompose_3d_matrix(*other);
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match (decomposed_from, decomposed_to) {
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(Ok(this), Ok(other)) => {
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Ok(ComputedMatrix::from(this.animate(&other, procedure)?))
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Ok(Matrix3D::from(this.animate(&other, procedure)?))
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},
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// Matrices can be undecomposable due to couple reasons, e.g.,
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// non-invertible matrices. In this case, we should report Err
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@ -1342,7 +1287,7 @@ impl Animate for ComputedMatrix {
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} else {
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let this = MatrixDecomposed2D::from(*self);
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let other = MatrixDecomposed2D::from(*other);
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Ok(ComputedMatrix::from(this.animate(&other, procedure)?))
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Ok(Matrix3D::from(this.animate(&other, procedure)?))
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}
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}
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@ -1355,7 +1300,7 @@ impl Animate for ComputedMatrix {
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};
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match (from, to) {
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(Ok(from), Ok(to)) => {
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Ok(ComputedMatrix::from(from.animate(&to, procedure)?))
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Ok(Matrix3D::from(from.animate(&to, procedure)?))
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},
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// Matrices can be undecomposable due to couple reasons, e.g.,
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// non-invertible matrices. In this case, we should report Err here,
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@ -1365,7 +1310,7 @@ impl Animate for ComputedMatrix {
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}
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}
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impl ComputeSquaredDistance for ComputedMatrix {
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impl ComputeSquaredDistance for Matrix3D {
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#[inline]
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#[cfg(feature = "servo")]
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fn compute_squared_distance(&self, other: &Self) -> Result<SquaredDistance, ()> {
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@ -1392,10 +1337,10 @@ impl ComputeSquaredDistance for ComputedMatrix {
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}
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}
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impl From<ComputedMatrix> for MatrixDecomposed2D {
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impl From<Matrix3D> for MatrixDecomposed2D {
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/// Decompose a 2D matrix.
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/// <https://drafts.csswg.org/css-transforms/#decomposing-a-2d-matrix>
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fn from(matrix: ComputedMatrix) -> MatrixDecomposed2D {
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fn from(matrix: Matrix3D) -> MatrixDecomposed2D {
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let mut row0x = matrix.m11;
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let mut row0y = matrix.m12;
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let mut row1x = matrix.m21;
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@ -1456,11 +1401,11 @@ impl From<ComputedMatrix> for MatrixDecomposed2D {
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}
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}
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impl From<MatrixDecomposed2D> for ComputedMatrix {
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impl From<MatrixDecomposed2D> for Matrix3D {
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/// Recompose a 2D matrix.
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/// <https://drafts.csswg.org/css-transforms/#recomposing-to-a-2d-matrix>
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fn from(decomposed: MatrixDecomposed2D) -> ComputedMatrix {
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let mut computed_matrix = ComputedMatrix::identity();
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fn from(decomposed: MatrixDecomposed2D) -> Matrix3D {
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let mut computed_matrix = Matrix3D::identity();
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computed_matrix.m11 = decomposed.matrix.m11;
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computed_matrix.m12 = decomposed.matrix.m12;
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computed_matrix.m21 = decomposed.matrix.m21;
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@ -1475,7 +1420,7 @@ impl From<MatrixDecomposed2D> for ComputedMatrix {
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let cos_angle = angle.cos();
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let sin_angle = angle.sin();
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let mut rotate_matrix = ComputedMatrix::identity();
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let mut rotate_matrix = Matrix3D::identity();
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rotate_matrix.m11 = cos_angle;
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rotate_matrix.m12 = sin_angle;
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rotate_matrix.m21 = -sin_angle;
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@ -1494,9 +1439,9 @@ impl From<MatrixDecomposed2D> for ComputedMatrix {
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}
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#[cfg(feature = "gecko")]
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impl<'a> From< &'a RawGeckoGfxMatrix4x4> for ComputedMatrix {
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fn from(m: &'a RawGeckoGfxMatrix4x4) -> ComputedMatrix {
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ComputedMatrix {
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impl<'a> From< &'a RawGeckoGfxMatrix4x4> for Matrix3D {
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fn from(m: &'a RawGeckoGfxMatrix4x4) -> Matrix3D {
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Matrix3D {
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m11: m[0], m12: m[1], m13: m[2], m14: m[3],
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m21: m[4], m22: m[5], m23: m[6], m24: m[7],
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m31: m[8], m32: m[9], m33: m[10], m34: m[11],
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@ -1506,8 +1451,8 @@ impl<'a> From< &'a RawGeckoGfxMatrix4x4> for ComputedMatrix {
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}
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#[cfg(feature = "gecko")]
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impl From<ComputedMatrix> for RawGeckoGfxMatrix4x4 {
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fn from(matrix: ComputedMatrix) -> RawGeckoGfxMatrix4x4 {
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impl From<Matrix3D> for RawGeckoGfxMatrix4x4 {
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fn from(matrix: Matrix3D) -> RawGeckoGfxMatrix4x4 {
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[ matrix.m11, matrix.m12, matrix.m13, matrix.m14,
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matrix.m21, matrix.m22, matrix.m23, matrix.m24,
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matrix.m31, matrix.m32, matrix.m33, matrix.m34,
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@ -1597,7 +1542,7 @@ impl ComputeSquaredDistance for Quaternion {
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/// Decompose a 3D matrix.
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/// <https://drafts.csswg.org/css-transforms/#decomposing-a-3d-matrix>
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fn decompose_3d_matrix(mut matrix: ComputedMatrix) -> Result<MatrixDecomposed3D, ()> {
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fn decompose_3d_matrix(mut matrix: Matrix3D) -> Result<MatrixDecomposed3D, ()> {
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// Normalize the matrix.
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if matrix.m44 == 0.0 {
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return Err(());
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@ -1635,7 +1580,7 @@ fn decompose_3d_matrix(mut matrix: ComputedMatrix) -> Result<MatrixDecomposed3D,
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perspective_matrix = perspective_matrix.inverse().unwrap();
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// Transpose perspective_matrix
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perspective_matrix = ComputedMatrix {
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perspective_matrix = Matrix3D {
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% for i in range(1, 5):
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% for j in range(1, 5):
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m${i}${j}: perspective_matrix.m${j}${i},
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@ -1743,7 +1688,7 @@ fn decompose_3d_matrix(mut matrix: ComputedMatrix) -> Result<MatrixDecomposed3D,
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/// Decompose a 2D matrix for Gecko.
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// Use the algorithm from nsStyleTransformMatrix::Decompose2DMatrix() in Gecko.
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#[cfg(feature = "gecko")]
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fn decompose_2d_matrix(matrix: &ComputedMatrix) -> Result<MatrixDecomposed3D, ()> {
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fn decompose_2d_matrix(matrix: &Matrix3D) -> Result<MatrixDecomposed3D, ()> {
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// The index is column-major, so the equivalent transform matrix is:
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// | m11 m21 0 m41 | => | m11 m21 | and translate(m41, m42)
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// | m12 m22 0 m42 | | m12 m22 |
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@ -1928,11 +1873,11 @@ impl Animate for MatrixDecomposed3D {
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}
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}
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impl From<MatrixDecomposed3D> for ComputedMatrix {
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impl From<MatrixDecomposed3D> for Matrix3D {
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/// Recompose a 3D matrix.
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/// <https://drafts.csswg.org/css-transforms/#recomposing-to-a-3d-matrix>
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fn from(decomposed: MatrixDecomposed3D) -> ComputedMatrix {
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let mut matrix = ComputedMatrix::identity();
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fn from(decomposed: MatrixDecomposed3D) -> Matrix3D {
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let mut matrix = Matrix3D::identity();
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// Apply perspective
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% for i in range(1, 5):
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@ -1954,7 +1899,7 @@ impl From<MatrixDecomposed3D> for ComputedMatrix {
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||||
// Construct a composite rotation matrix from the quaternion values
|
||||
// rotationMatrix is a identity 4x4 matrix initially
|
||||
let mut rotation_matrix = ComputedMatrix::identity();
|
||||
let mut rotation_matrix = Matrix3D::identity();
|
||||
rotation_matrix.m11 = 1.0 - 2.0 * (y * y + z * z) as f32;
|
||||
rotation_matrix.m12 = 2.0 * (x * y + z * w) as f32;
|
||||
rotation_matrix.m13 = 2.0 * (x * z - y * w) as f32;
|
||||
|
|
@ -1968,7 +1913,7 @@ impl From<MatrixDecomposed3D> for ComputedMatrix {
|
|||
matrix = multiply(rotation_matrix, matrix);
|
||||
|
||||
// Apply skew
|
||||
let mut temp = ComputedMatrix::identity();
|
||||
let mut temp = Matrix3D::identity();
|
||||
if decomposed.skew.2 != 0.0 {
|
||||
temp.m32 = decomposed.skew.2;
|
||||
matrix = multiply(temp, matrix);
|
||||
|
|
@ -1998,7 +1943,7 @@ impl From<MatrixDecomposed3D> for ComputedMatrix {
|
|||
}
|
||||
|
||||
// Multiplication of two 4x4 matrices.
|
||||
fn multiply(a: ComputedMatrix, b: ComputedMatrix) -> ComputedMatrix {
|
||||
fn multiply(a: Matrix3D, b: Matrix3D) -> Matrix3D {
|
||||
let mut a_clone = a;
|
||||
% for i in range(1, 5):
|
||||
% for j in range(1, 5):
|
||||
|
|
@ -2011,7 +1956,7 @@ fn multiply(a: ComputedMatrix, b: ComputedMatrix) -> ComputedMatrix {
|
|||
a_clone
|
||||
}
|
||||
|
||||
impl ComputedMatrix {
|
||||
impl Matrix3D {
|
||||
fn is_3d(&self) -> bool {
|
||||
self.m13 != 0.0 || self.m14 != 0.0 ||
|
||||
self.m23 != 0.0 || self.m24 != 0.0 ||
|
||||
|
|
@ -2046,7 +1991,7 @@ impl ComputedMatrix {
|
|||
self.m11 * self.m22 * self.m33 * self.m44
|
||||
}
|
||||
|
||||
fn inverse(&self) -> Option<ComputedMatrix> {
|
||||
fn inverse(&self) -> Option<Matrix3D> {
|
||||
let mut det = self.determinant();
|
||||
|
||||
if det == 0.0 {
|
||||
|
|
@ -2054,7 +1999,7 @@ impl ComputedMatrix {
|
|||
}
|
||||
|
||||
det = 1.0 / det;
|
||||
let x = ComputedMatrix {
|
||||
let x = Matrix3D {
|
||||
m11: det *
|
||||
(self.m23*self.m34*self.m42 - self.m24*self.m33*self.m42 +
|
||||
self.m24*self.m32*self.m43 - self.m22*self.m34*self.m43 -
|
||||
|
|
@ -2126,43 +2071,29 @@ impl ComputedMatrix {
|
|||
}
|
||||
|
||||
/// <https://drafts.csswg.org/css-transforms/#interpolation-of-transforms>
|
||||
impl Animate for TransformList {
|
||||
impl Animate for ComputedTransform {
|
||||
#[inline]
|
||||
fn animate(
|
||||
&self,
|
||||
other: &Self,
|
||||
procedure: Procedure,
|
||||
) -> Result<Self, ()> {
|
||||
if self.0.is_none() && other.0.is_none() {
|
||||
return Ok(TransformList(None));
|
||||
if self.0.is_empty() && other.0.is_empty() {
|
||||
return Ok(Transform(vec![]));
|
||||
}
|
||||
|
||||
|
||||
let this = &self.0;
|
||||
let other = &other.0;
|
||||
|
||||
if procedure == Procedure::Add {
|
||||
let this = self.0.as_ref().map_or(&[][..], |l| l);
|
||||
let other = other.0.as_ref().map_or(&[][..], |l| l);
|
||||
let result = this.iter().chain(other).cloned().collect::<Vec<_>>();
|
||||
return Ok(TransformList(if result.is_empty() {
|
||||
None
|
||||
} else {
|
||||
Some(result)
|
||||
}));
|
||||
return Ok(Transform(result));
|
||||
}
|
||||
|
||||
let this = if self.0.is_some() {
|
||||
Cow::Borrowed(self)
|
||||
} else {
|
||||
Cow::Owned(other.to_animated_zero()?)
|
||||
};
|
||||
let other = if other.0.is_some() {
|
||||
Cow::Borrowed(other)
|
||||
} else {
|
||||
Cow::Owned(self.to_animated_zero()?)
|
||||
};
|
||||
|
||||
// For matched transform lists.
|
||||
{
|
||||
let this = (*this).0.as_ref().map_or(&[][..], |l| l);
|
||||
let other = (*other).0.as_ref().map_or(&[][..], |l| l);
|
||||
if this.len() == other.len() {
|
||||
let is_matched_transforms = this.iter().zip(other).all(|(this, other)| {
|
||||
is_matched_operation(this, other)
|
||||
|
|
@ -2173,11 +2104,7 @@ impl Animate for TransformList {
|
|||
this.animate(other, procedure)
|
||||
}).collect::<Result<Vec<_>, _>>();
|
||||
if let Ok(list) = result {
|
||||
return Ok(TransformList(if list.is_empty() {
|
||||
None
|
||||
} else {
|
||||
Some(list)
|
||||
}));
|
||||
return Ok(Transform(list));
|
||||
}
|
||||
|
||||
// Can't animate for a pair of matched transform lists?
|
||||
|
|
@ -2193,18 +2120,18 @@ impl Animate for TransformList {
|
|||
match procedure {
|
||||
Procedure::Add => Err(()),
|
||||
Procedure::Interpolate { progress } => {
|
||||
Ok(TransformList(Some(vec![TransformOperation::InterpolateMatrix {
|
||||
from_list: this.into_owned(),
|
||||
to_list: other.into_owned(),
|
||||
Ok(Transform(vec![TransformOperation::InterpolateMatrix {
|
||||
from_list: Transform(this.clone()),
|
||||
to_list: Transform(other.clone()),
|
||||
progress: Percentage(progress as f32),
|
||||
}])))
|
||||
}]))
|
||||
},
|
||||
Procedure::Accumulate { count } => {
|
||||
Ok(TransformList(Some(vec![TransformOperation::AccumulateMatrix {
|
||||
from_list: this.into_owned(),
|
||||
to_list: other.into_owned(),
|
||||
Ok(Transform(vec![TransformOperation::AccumulateMatrix {
|
||||
from_list: Transform(this.clone()),
|
||||
to_list: Transform(other.clone()),
|
||||
count: cmp::min(count, i32::max_value() as u64) as i32,
|
||||
}])))
|
||||
}]))
|
||||
},
|
||||
}
|
||||
}
|
||||
|
|
@ -2214,12 +2141,12 @@ impl Animate for TransformList {
|
|||
// to trace the distance travelled by a point as its transform is interpolated between the two
|
||||
// lists. That, however, proves to be quite complicated so we take a simple approach for now.
|
||||
// See https://bugzilla.mozilla.org/show_bug.cgi?id=1318591#c0.
|
||||
impl ComputeSquaredDistance for TransformOperation {
|
||||
impl ComputeSquaredDistance for ComputedTransformOperation {
|
||||
fn compute_squared_distance(&self, other: &Self) -> Result<SquaredDistance, ()> {
|
||||
match (self, other) {
|
||||
(
|
||||
&TransformOperation::Matrix(ref this),
|
||||
&TransformOperation::Matrix(ref other),
|
||||
&TransformOperation::Matrix3D(ref this),
|
||||
&TransformOperation::Matrix3D(ref other),
|
||||
) => {
|
||||
this.compute_squared_distance(other)
|
||||
},
|
||||
|
|
@ -2233,8 +2160,8 @@ impl ComputeSquaredDistance for TransformOperation {
|
|||
)
|
||||
},
|
||||
(
|
||||
&TransformOperation::Translate(ref fx, ref fy, ref fz),
|
||||
&TransformOperation::Translate(ref tx, ref ty, ref tz),
|
||||
&TransformOperation::Translate3D(ref fx, ref fy, ref fz),
|
||||
&TransformOperation::Translate3D(ref tx, ref ty, ref tz),
|
||||
) => {
|
||||
// We don't want to require doing layout in order to calculate the result, so
|
||||
// drop the percentage part. However, dropping percentage makes us impossible to
|
||||
|
|
@ -2262,8 +2189,8 @@ impl ComputeSquaredDistance for TransformOperation {
|
|||
)
|
||||
},
|
||||
(
|
||||
&TransformOperation::Scale(ref fx, ref fy, ref fz),
|
||||
&TransformOperation::Scale(ref tx, ref ty, ref tz),
|
||||
&TransformOperation::Scale3D(ref fx, ref fy, ref fz),
|
||||
&TransformOperation::Scale3D(ref tx, ref ty, ref tz),
|
||||
) => {
|
||||
Ok(
|
||||
fx.compute_squared_distance(&tx)? +
|
||||
|
|
@ -2272,13 +2199,13 @@ impl ComputeSquaredDistance for TransformOperation {
|
|||
)
|
||||
},
|
||||
(
|
||||
&TransformOperation::Rotate(fx, fy, fz, fa),
|
||||
&TransformOperation::Rotate(tx, ty, tz, ta),
|
||||
&TransformOperation::Rotate3D(fx, fy, fz, fa),
|
||||
&TransformOperation::Rotate3D(tx, ty, tz, ta),
|
||||
) => {
|
||||
let (fx, fy, fz, angle1) =
|
||||
TransformList::get_normalized_vector_and_angle(fx, fy, fz, fa);
|
||||
ComputedTransform::get_normalized_vector_and_angle(fx, fy, fz, fa);
|
||||
let (tx, ty, tz, angle2) =
|
||||
TransformList::get_normalized_vector_and_angle(tx, ty, tz, ta);
|
||||
ComputedTransform::get_normalized_vector_and_angle(tx, ty, tz, ta);
|
||||
if (fx, fy, fz) == (tx, ty, tz) {
|
||||
angle1.compute_squared_distance(&angle2)
|
||||
} else {
|
||||
|
|
@ -2293,8 +2220,8 @@ impl ComputeSquaredDistance for TransformOperation {
|
|||
&TransformOperation::Perspective(ref fd),
|
||||
&TransformOperation::Perspective(ref td),
|
||||
) => {
|
||||
let mut fd_matrix = ComputedMatrix::identity();
|
||||
let mut td_matrix = ComputedMatrix::identity();
|
||||
let mut fd_matrix = Matrix3D::identity();
|
||||
let mut td_matrix = Matrix3D::identity();
|
||||
if fd.px() > 0. {
|
||||
fd_matrix.m34 = -1. / fd.px();
|
||||
}
|
||||
|
|
@ -2306,12 +2233,12 @@ impl ComputeSquaredDistance for TransformOperation {
|
|||
}
|
||||
(
|
||||
&TransformOperation::Perspective(ref p),
|
||||
&TransformOperation::Matrix(ref m),
|
||||
&TransformOperation::Matrix3D(ref m),
|
||||
) | (
|
||||
&TransformOperation::Matrix(ref m),
|
||||
&TransformOperation::Matrix3D(ref m),
|
||||
&TransformOperation::Perspective(ref p),
|
||||
) => {
|
||||
let mut p_matrix = ComputedMatrix::identity();
|
||||
let mut p_matrix = Matrix3D::identity();
|
||||
if p.px() > 0. {
|
||||
p_matrix.m34 = -1. / p.px();
|
||||
}
|
||||
|
|
@ -2322,11 +2249,11 @@ impl ComputeSquaredDistance for TransformOperation {
|
|||
}
|
||||
}
|
||||
|
||||
impl ComputeSquaredDistance for TransformList {
|
||||
impl ComputeSquaredDistance for ComputedTransform {
|
||||
#[inline]
|
||||
fn compute_squared_distance(&self, other: &Self) -> Result<SquaredDistance, ()> {
|
||||
let list1 = self.0.as_ref().map_or(&[][..], |l| l);
|
||||
let list2 = other.0.as_ref().map_or(&[][..], |l| l);
|
||||
let list1 = &self.0;
|
||||
let list2 = &other.0;
|
||||
|
||||
let squared_dist: Result<SquaredDistance, _> = list1.iter().zip_longest(list2).map(|it| {
|
||||
match it {
|
||||
|
|
@ -2342,28 +2269,14 @@ impl ComputeSquaredDistance for TransformList {
|
|||
// Roll back to matrix interpolation if there is any Err(()) in the transform lists, such
|
||||
// as mismatched transform functions.
|
||||
if let Err(_) = squared_dist {
|
||||
let matrix1: ComputedMatrix = self.to_transform_3d_matrix(None).ok_or(())?.into();
|
||||
let matrix2: ComputedMatrix = other.to_transform_3d_matrix(None).ok_or(())?.into();
|
||||
let matrix1: Matrix3D = self.to_transform_3d_matrix(None).ok_or(())?.into();
|
||||
let matrix2: Matrix3D = other.to_transform_3d_matrix(None).ok_or(())?.into();
|
||||
return matrix1.compute_squared_distance(&matrix2);
|
||||
}
|
||||
squared_dist
|
||||
}
|
||||
}
|
||||
|
||||
impl ToAnimatedZero for TransformList {
|
||||
#[inline]
|
||||
fn to_animated_zero(&self) -> Result<Self, ()> {
|
||||
match self.0 {
|
||||
None => Ok(TransformList(None)),
|
||||
Some(ref list) => {
|
||||
Ok(TransformList(Some(
|
||||
list.iter().map(|op| op.to_animated_zero()).collect::<Result<Vec<_>, _>>()?
|
||||
)))
|
||||
},
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
/// Animated SVGPaint
|
||||
pub type IntermediateSVGPaint = SVGPaint<AnimatedRGBA, ComputedUrl>;
|
||||
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue