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Ensure that gradient tile mode enum values in Dart match SkShader::TileMode. (flutter/engine#3721)

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Chinmay Garde 2017-06-01 12:18:13 -07:00 committed by GitHub
parent a978b57e9e
commit 8844a2f33b
1 changed files with 16 additions and 10 deletions
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26
engine/src/flutter/lib/ui/painting.dart
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@ -272,6 +272,7 @@ enum FilterQuality {
/// Styles to use for line endings.
///
/// See [Paint.strokeCap].
// These enum values must be kept in sync with SkPaint::Cap.
enum StrokeCap {
/// Begin and end contours with a flat edge and no extension.
butt,
@ -288,6 +289,7 @@ enum StrokeCap {
/// Strategies for painting shapes and paths on a canvas.
///
/// See [Paint.style].
// These enum values must be kept in sync with SkPaint::Style.
enum PaintingStyle {
// This list comes from Skia's SkPaint.h and the values (order) should be kept
// in sync.
@ -833,6 +835,7 @@ class Path extends NativeFieldWrapperClass2 {
}
/// Styles to use for blurs in [MaskFilter] objects.
// These enum values must be kept in sync with SkBlurStyle.
enum BlurStyle {
// These mirror SkBlurStyle and must be kept in sync.
@ -968,6 +971,7 @@ abstract class Shader extends NativeFieldWrapperClass2 { }
/// * [dart:ui.Gradient], the low-level class used when dealing with the
/// [Paint.shader] property directly, with its [new Gradient.linear] and [new
/// Gradient.radial] constructors.
// These enum values must be kept in sync with SkShader::TileMode.
enum TileMode {
/// Edge is clamped to the final color.
///
@ -978,6 +982,16 @@ enum TileMode {
/// ![](https://flutter.github.io/assets-for-api-docs/dart-ui/tile_mode_clamp_radial.png)
clamp,
/// Edge is repeated from first color to last.
///
/// This is as if the stop points from 0.0 to 1.0 were then repeated from 1.0
/// to 2.0, 2.0 to 3.0, and so forth (and for linear gradients, similarly from
/// -1.0 to 0.0, -2.0 to -1.0, etc).
///
/// ![](https://flutter.github.io/assets-for-api-docs/dart-ui/tile_mode_repeated_linear.png)
/// ![](https://flutter.github.io/assets-for-api-docs/dart-ui/tile_mode_repeated_radial.png)
repeated,
/// Edge is mirrored from last color to first.
///
/// This is as if the stop points from 0.0 to 1.0 were then repeated backwards
@ -988,16 +1002,6 @@ enum TileMode {
/// ![](https://flutter.github.io/assets-for-api-docs/dart-ui/tile_mode_mirror_linear.png)
/// ![](https://flutter.github.io/assets-for-api-docs/dart-ui/tile_mode_mirror_radial.png)
mirror,
/// Edge is repeated from first color to last.
///
/// This is as if the stop points from 0.0 to 1.0 were then repeated from 1.0
/// to 2.0, 2.0 to 3.0, and so forth (and for linear gradients, similarly from
/// -1.0 to 0.0, -2.0 to -1.0, etc).
///
/// ![](https://flutter.github.io/assets-for-api-docs/dart-ui/tile_mode_repeated_linear.png)
/// ![](https://flutter.github.io/assets-for-api-docs/dart-ui/tile_mode_repeated_radial.png)
repeated,
}
Int32List _encodeColorList(List<Color> colors) {
@ -1146,6 +1150,7 @@ class ImageShader extends Shader {
/// Defines how a list of points is interpreted when drawing a set of triangles.
///
/// Used by [Canvas.drawVertices].
// These enum values must be kept in sync with SkVertices::VertexMode.
enum VertexMode {
/// Draw each sequence of three points as the vertices of a triangle.
triangles,
@ -1214,6 +1219,7 @@ class Vertices extends NativeFieldWrapperClass2 {
///
// ignore: deprecated_member_use
/// Used by [Canvas.drawPoints].
// These enum values must be kept in sync with SkCanvas::PointMode.
enum PointMode {
/// Draw each point separately.
///