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7621375179
This patch also moves the static methods defined on nsStyleAnimation so that they are part of StyleAnimationValue class. Renaming nsStyleAnimation.h to StyleAnimationValue.h is performed in a separate patch to simplify the diff (since some tools may not handle file renames elegantly).
71 lines
2.6 KiB
C++
71 lines
2.6 KiB
C++
/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
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/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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/*
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* A class representing three matrices that can be used for style transforms.
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*/
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#ifndef nsStyleTransformMatrix_h_
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#define nsStyleTransformMatrix_h_
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#include "nsCSSValue.h"
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#include "gfx3DMatrix.h"
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class nsStyleContext;
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class nsPresContext;
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struct nsRect;
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/**
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* A helper to generate gfxMatrixes from css transform functions.
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*/
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namespace nsStyleTransformMatrix {
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/**
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* Return the transform function, as an nsCSSKeyword, for the given
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* nsCSSValue::Array from a transform list.
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*/
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nsCSSKeyword TransformFunctionOf(const nsCSSValue::Array* aData);
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float ProcessTranslatePart(const nsCSSValue& aValue,
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nsStyleContext* aContext,
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nsPresContext* aPresContext,
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bool& aCanStoreInRuleTree,
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nscoord aSize);
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void
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ProcessInterpolateMatrix(gfx3DMatrix& aMatrix,
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const nsCSSValue::Array* aData,
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nsStyleContext* aContext,
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nsPresContext* aPresContext,
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bool& aCanStoreInRuleTree,
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nsRect& aBounds);
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/**
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* Given an nsCSSValueList containing -moz-transform functions,
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* returns a matrix containing the value of those functions.
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*
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* @param aData The nsCSSValueList containing the transform functions
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* @param aContext The style context, used for unit conversion.
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* @param aPresContext The presentation context, used for unit conversion.
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* @param aCanStoreInRuleTree Set to false if the result cannot be cached
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* in the rule tree, otherwise untouched.
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* @param aBounds The frame's bounding rectangle.
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* @param aAppUnitsPerMatrixUnit The number of app units per device pixel.
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*
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* aContext and aPresContext may be null if all of the (non-percent)
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* length values in aData are already known to have been converted to
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* eCSSUnit_Pixel (as they are in an StyleAnimationValue)
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*/
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gfx3DMatrix ReadTransforms(const nsCSSValueList* aList,
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nsStyleContext* aContext,
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nsPresContext* aPresContext,
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bool &aCanStoreInRuleTree,
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nsRect& aBounds,
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float aAppUnitsPerMatrixUnit);
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} // namespace nsStyleTransformMatrix
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#endif
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