sky/engine/core/painting/DrawLooperLayerInfo.idl

// 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(),
] interface DrawLooperLayerInfo {
  // Bits specifies which aspects of the layer's paint should replace the
  // corresponding aspects on the draw's paint.
  // ENTIRE_PAINT_BITS means use the layer's paint completely.
  // 0 means ignore the layer's paint... except for colorMode, which is
  // always applied.
  // TODO(mpcomplete): maybe these should each be functions (e.g. useStyle()).
  // TODO(mpcomplete): the IDL compiler doesn't use these for anything?
  // TODO(mpcomplete): dart style says to name these like 'styleBit'.
  const unsigned long STYLE_BIT        = 0x1;
  const unsigned long TEXT_SKEWX_BIT   = 0x2;
  const unsigned long PATH_EFFECT_BIT  = 0x4;
  const unsigned long MASK_FILTER_BIT  = 0x8;
  const unsigned long SHADER_BIT       = 0x10;
  const unsigned long COLOR_FILTER_BIT = 0x20;
  const unsigned long XFERMODE_BIT     = 0x40;
  const unsigned long ENTIRE_PAINT_BITS = -1;

  void setPaintBits(unsigned long bits);
  void setColorMode(TransferMode mode);
  // TODO(eseidel): Offset should be a Size not a Point.
  void setOffset(Point offset);
  void setPostTranslate(boolean postTranslate);
};