The Tor Browser / file comparison
comparison: layout/style/nsStyleTransformMatrix.h
layout/style/nsStyleTransformMatrix.h
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- TOR_BUG_9701
- changeset 3
- 141e0f1194b1
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| -1:000000000000 | 0:48422e5f70b0 |
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| 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/. */ | |
| 5 | |
| 6 /* | |
| 7 * A class representing three matrices that can be used for style transforms. | |
| 8 */ | |
| 9 | |
| 10 #ifndef nsStyleTransformMatrix_h_ | |
| 11 #define nsStyleTransformMatrix_h_ | |
| 12 | |
| 13 #include "nsCSSValue.h" | |
| 14 #include "gfx3DMatrix.h" | |
| 15 | |
| 16 class nsStyleContext; | |
| 17 class nsPresContext; | |
| 18 struct nsRect; | |
| 19 | |
| 20 /** | |
| 21 * A helper to generate gfxMatrixes from css transform functions. | |
| 22 */ | |
| 23 namespace nsStyleTransformMatrix { | |
| 24 | |
| 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); | |
| 30 | |
| 31 float ProcessTranslatePart(const nsCSSValue& aValue, | |
| 32 nsStyleContext* aContext, | |
| 33 nsPresContext* aPresContext, | |
| 34 bool& aCanStoreInRuleTree, | |
| 35 nscoord aSize, | |
| 36 float aAppUnitsPerMatrixUnit); | |
| 37 | |
| 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); | |
| 45 | |
| 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); | |
| 68 | |
| 69 } // namespace nsStyleTransformMatrix | |
| 70 | |
| 71 #endif |
