The Tor Browser: layout/style/nsStyleTransformMatrix.h@deefc01c0e14

Integrate friendly tips from Tor colleagues to make (or not) 4.5 alpha 3;
This includes removal of overloaded (but unused) methods, and addition of
a overlooked call to DataStruct::SetData(nsISupports, uint32_t, bool.)

     1 /* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */

     2 /* This Source Code Form is subject to the terms of the Mozilla Public

     3  * License, v. 2.0. If a copy of the MPL was not distributed with this

     4  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

     6 /*

     7  * A class representing three matrices that can be used for style transforms.

     8  */

    10 #ifndef nsStyleTransformMatrix_h_

    11 #define nsStyleTransformMatrix_h_

    13 #include "nsCSSValue.h"

    14 #include "gfx3DMatrix.h"

    16 class nsStyleContext;

    17 class nsPresContext;

    18 struct nsRect;

    20 /**

    21  * A helper to generate gfxMatrixes from css transform functions.

    22  */

    23 namespace nsStyleTransformMatrix {

    25   /**

    26    * Return the transform function, as an nsCSSKeyword, for the given

    27    * nsCSSValue::Array from a transform list.

    28    */

    29   nsCSSKeyword TransformFunctionOf(const nsCSSValue::Array* aData);

    31   float ProcessTranslatePart(const nsCSSValue& aValue,

    32                              nsStyleContext* aContext,

    33                              nsPresContext* aPresContext,

    34                              bool& aCanStoreInRuleTree,

    35                              nscoord aSize,

    36                              float aAppUnitsPerMatrixUnit);

    38   void

    39   ProcessInterpolateMatrix(gfx3DMatrix& aMatrix,

    40                             const nsCSSValue::Array* aData,

    41                             nsStyleContext* aContext,

    42                             nsPresContext* aPresContext,

    43                             bool& aCanStoreInRuleTree,

    44                             nsRect& aBounds, float aAppUnitsPerMatrixUnit);

    46   /**

    47    * Given an nsCSSValueList containing -moz-transform functions,

    48    * returns a matrix containing the value of those functions.

    49    *

    50    * @param aData The nsCSSValueList containing the transform functions

    51    * @param aContext The style context, used for unit conversion.

    52    * @param aPresContext The presentation context, used for unit conversion.

    53    * @param aCanStoreInRuleTree Set to false if the result cannot be cached

    54    *                            in the rule tree, otherwise untouched.

    55    * @param aBounds The frame's bounding rectangle.

    56    * @param aAppUnitsPerMatrixUnit The number of app units per device pixel.

    57    *

    58    * aContext and aPresContext may be null if all of the (non-percent)

    59    * length values in aData are already known to have been converted to

    60    * eCSSUnit_Pixel (as they are in an nsStyleAnimation::Value)

    61    */

    62   gfx3DMatrix ReadTransforms(const nsCSSValueList* aList,

    63                              nsStyleContext* aContext,

    64                              nsPresContext* aPresContext,

    65                              bool &aCanStoreInRuleTree,

    66                              nsRect& aBounds,

    67                              float aAppUnitsPerMatrixUnit);

    69 } // namespace nsStyleTransformMatrix

    71 #endif

The Tor Browser / file revision

layout/style/nsStyleTransformMatrix.h@deefc01c0e14

layout/style/nsStyleTransformMatrix.h