The Tor Browser: gfx/skia/trunk/src/animator/SkDrawMatrix.h@a63d609f5ebe

     2 /*

     3  * Copyright 2006 The Android Open Source Project

     4  *

     5  * Use of this source code is governed by a BSD-style license that can be

     6  * found in the LICENSE file.

     7  */

    10 #ifndef SkDrawMatrix_DEFINED

    11 #define SkDrawMatrix_DEFINED

    13 #include "SkDrawable.h"

    14 #include "SkMatrix.h"

    15 #include "SkMemberInfo.h"

    16 #include "SkIntArray.h"

    18 class SkMatrixPart;

    20 class SkDrawMatrix : public SkDrawable {

    21     DECLARE_DRAW_MEMBER_INFO(Matrix);

    22     SkDrawMatrix();

    23     virtual ~SkDrawMatrix();

    24     virtual bool addChild(SkAnimateMaker& , SkDisplayable* child) SK_OVERRIDE;

    25     virtual bool childrenNeedDisposing() const;

    26     virtual void dirty();

    27     virtual bool draw(SkAnimateMaker& );

    28 #ifdef SK_DUMP_ENABLED

    29     virtual void dump(SkAnimateMaker* );

    30 #endif

    31     SkMatrix& getMatrix();

    32     virtual bool getProperty(int index, SkScriptValue* value) const;

    33     virtual void initialize();

    34     virtual void onEndElement(SkAnimateMaker& );

    35     virtual void setChildHasID();

    36     virtual bool setProperty(int index, SkScriptValue& );

    38     void concat(SkMatrix& inMatrix) {

    39         fConcat.preConcat(inMatrix);

    40     }

    42     virtual SkDisplayable* deepCopy(SkAnimateMaker* );

    45     void rotate(SkScalar degrees, SkPoint& center) {

    46         fMatrix.preRotate(degrees, center.fX, center.fY);

    47     }

    49     void set(SkMatrix& src) {

    50         fMatrix.preConcat(src);

    51     }

    53     void scale(SkScalar scaleX, SkScalar scaleY, SkPoint& center) {

    54         fMatrix.preScale(scaleX, scaleY, center.fX, center.fY);

    55     }

    57     void skew(SkScalar skewX, SkScalar skewY, SkPoint& center) {

    58         fMatrix.preSkew(skewX, skewY, center.fX, center.fY);

    59     }

    61     void translate(SkScalar x, SkScalar y) {

    62         fMatrix.preTranslate(x, y);

    63     }

    64 private:

    65     SkTDScalarArray matrix;

    66     SkMatrix fConcat;

    67     SkMatrix fMatrix;

    68     SkTDMatrixPartArray fParts;

    69     SkBool8 fChildHasID;

    70     SkBool8 fDirty;

    71     typedef SkDrawable INHERITED;

    72 };

    74 #endif // SkDrawMatrix_DEFINED

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