Adam Barth 68b06c8736 Sketch a DOM-free API for laying out and painting text
Rather than using the DOM to upload text and styling information into the
engine, this patch begins sketching a more direct API that bypasses the DOM and
CSS. Currently, this API doesn't do anything, but it's a first step.

The approach is to have a ParagraphBuilder object that can record a tree of
style interior nodes and text leaves. The build() function then applies
container-level styling information (such as TextAlign) and returns a Paragraph
object that can undergo layout and paint.

The inputs to the builder process are immutable style objects constructed from
primitive values. These primitives are currently carbon-copies of the primitive
we use in the framework today. After this patch lands, I'll convert the frame
to re-expose these values instead of re-defining them.
2015-09-02 01:28:54 -07:00

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// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
[
Constructor(
[Named] optional Color color,
[Named] optional DOMString fontFamily,
[Named] optional double fontSize,
[Named] optional FontWeight fontWeight,
[Named] optional FontStyle fontStyle,
[Named] optional sequence<TextDecoration> decoration,
[Named] optional Color decorationColor,
[Named] optional TextDecorationStyle decorationStyle
)
] interface TextStyle {
};