1 files changed, 518 insertions, 0 deletions
diff --git a/libs/hwui/RenderProperties.h b/libs/hwui/RenderProperties.h
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--- /dev/null
+++ b/libs/hwui/RenderProperties.h
@@ -0,0 +1,518 @@
+/*
+ * Copyright (C) 2014 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+#ifndef RENDERNODEPROPERTIES_H
+#define RENDERNODEPROPERTIES_H
+
+#include <stddef.h>
+#include <cutils/compiler.h>
+#include <androidfw/ResourceTypes.h>
+
+#include <SkCamera.h>
+#include <SkMatrix.h>
+#include <SkRegion.h>
+
+#include "Rect.h"
+#include "RevealClip.h"
+#include "Outline.h"
+
+#define TRANSLATION 0x0001
+#define ROTATION    0x0002
+#define ROTATION_3D 0x0004
+#define SCALE       0x0008
+#define PIVOT       0x0010
+
+class SkBitmap;
+class SkPaint;
+
+namespace android {
+namespace uirenderer {
+
+class Matrix4;
+class RenderNode;
+
+/*
+ * Data structure that holds the properties for a RenderNode
+ */
+class RenderProperties {
+public:
+    RenderProperties();
+    virtual ~RenderProperties();
+
+    RenderProperties& operator=(const RenderProperties& other);
+
+    void setClipToBounds(bool clipToBounds) {
+        mPrimitiveFields.mClipToBounds = clipToBounds;
+    }
+
+    void setProjectBackwards(bool shouldProject) {
+        mPrimitiveFields.mProjectBackwards = shouldProject;
+    }
+
+    void setProjectionReceiver(bool shouldRecieve) {
+        mPrimitiveFields.mProjectionReceiver = shouldRecieve;
+    }
+
+    bool isProjectionReceiver() const {
+        return mPrimitiveFields.mProjectionReceiver;
+    }
+
+    void setStaticMatrix(const SkMatrix* matrix) {
+        delete mStaticMatrix;
+        if (matrix) {
+            mStaticMatrix = new SkMatrix(*matrix);
+        } else {
+            mStaticMatrix = NULL;
+        }
+    }
+
+    // Can return NULL
+    const SkMatrix* getStaticMatrix() const {
+        return mStaticMatrix;
+    }
+
+    void setAnimationMatrix(const SkMatrix* matrix) {
+        delete mAnimationMatrix;
+        if (matrix) {
+            mAnimationMatrix = new SkMatrix(*matrix);
+        } else {
+            mAnimationMatrix = NULL;
+        }
+    }
+
+    void setAlpha(float alpha) {
+        alpha = fminf(1.0f, fmaxf(0.0f, alpha));
+        if (alpha != mPrimitiveFields.mAlpha) {
+            mPrimitiveFields.mAlpha = alpha;
+        }
+    }
+
+    float getAlpha() const {
+        return mPrimitiveFields.mAlpha;
+    }
+
+    void setHasOverlappingRendering(bool hasOverlappingRendering) {
+        mPrimitiveFields.mHasOverlappingRendering = hasOverlappingRendering;
+    }
+
+    bool hasOverlappingRendering() const {
+        return mPrimitiveFields.mHasOverlappingRendering;
+    }
+
+    void setTranslationX(float translationX) {
+        if (translationX != mPrimitiveFields.mTranslationX) {
+            mPrimitiveFields.mTranslationX = translationX;
+            onTranslationUpdate();
+        }
+    }
+
+    float getTranslationX() const {
+        return mPrimitiveFields.mTranslationX;
+    }
+
+    void setTranslationY(float translationY) {
+        if (translationY != mPrimitiveFields.mTranslationY) {
+            mPrimitiveFields.mTranslationY = translationY;
+            onTranslationUpdate();
+        }
+    }
+
+    float getTranslationY() const {
+        return mPrimitiveFields.mTranslationY;
+    }
+
+    void setTranslationZ(float translationZ) {
+        if (translationZ != mPrimitiveFields.mTranslationZ) {
+            mPrimitiveFields.mTranslationZ = translationZ;
+            onTranslationUpdate();
+        }
+    }
+
+    float getTranslationZ() const {
+        return mPrimitiveFields.mTranslationZ;
+    }
+
+    void setRotation(float rotation) {
+        if (rotation != mPrimitiveFields.mRotation) {
+            mPrimitiveFields.mRotation = rotation;
+            mPrimitiveFields.mMatrixDirty = true;
+            if (mPrimitiveFields.mRotation == 0.0f) {
+                mPrimitiveFields.mMatrixFlags &= ~ROTATION;
+            } else {
+                mPrimitiveFields.mMatrixFlags |= ROTATION;
+            }
+        }
+    }
+
+    float getRotation() const {
+        return mPrimitiveFields.mRotation;
+    }
+
+    void setRotationX(float rotationX) {
+        if (rotationX != mPrimitiveFields.mRotationX) {
+            mPrimitiveFields.mRotationX = rotationX;
+            mPrimitiveFields.mMatrixDirty = true;
+            if (mPrimitiveFields.mRotationX == 0.0f && mPrimitiveFields.mRotationY == 0.0f) {
+                mPrimitiveFields.mMatrixFlags &= ~ROTATION_3D;
+            } else {
+                mPrimitiveFields.mMatrixFlags |= ROTATION_3D;
+            }
+        }
+    }
+
+    float getRotationX() const {
+        return mPrimitiveFields.mRotationX;
+    }
+
+    void setRotationY(float rotationY) {
+        if (rotationY != mPrimitiveFields.mRotationY) {
+            mPrimitiveFields.mRotationY = rotationY;
+            mPrimitiveFields.mMatrixDirty = true;
+            if (mPrimitiveFields.mRotationX == 0.0f && mPrimitiveFields.mRotationY == 0.0f) {
+                mPrimitiveFields.mMatrixFlags &= ~ROTATION_3D;
+            } else {
+                mPrimitiveFields.mMatrixFlags |= ROTATION_3D;
+            }
+        }
+    }
+
+    float getRotationY() const {
+        return mPrimitiveFields.mRotationY;
+    }
+
+    void setScaleX(float scaleX) {
+        if (scaleX != mPrimitiveFields.mScaleX) {
+            mPrimitiveFields.mScaleX = scaleX;
+            mPrimitiveFields.mMatrixDirty = true;
+            if (mPrimitiveFields.mScaleX == 1.0f && mPrimitiveFields.mScaleY == 1.0f) {
+                mPrimitiveFields.mMatrixFlags &= ~SCALE;
+            } else {
+                mPrimitiveFields.mMatrixFlags |= SCALE;
+            }
+        }
+    }
+
+    float getScaleX() const {
+        return mPrimitiveFields.mScaleX;
+    }
+
+    void setScaleY(float scaleY) {
+        if (scaleY != mPrimitiveFields.mScaleY) {
+            mPrimitiveFields.mScaleY = scaleY;
+            mPrimitiveFields.mMatrixDirty = true;
+            if (mPrimitiveFields.mScaleX == 1.0f && mPrimitiveFields.mScaleY == 1.0f) {
+                mPrimitiveFields.mMatrixFlags &= ~SCALE;
+            } else {
+                mPrimitiveFields.mMatrixFlags |= SCALE;
+            }
+        }
+    }
+
+    float getScaleY() const {
+        return mPrimitiveFields.mScaleY;
+    }
+
+    void setPivotX(float pivotX) {
+        mPrimitiveFields.mPivotX = pivotX;
+        mPrimitiveFields.mMatrixDirty = true;
+        if (mPrimitiveFields.mPivotX == 0.0f && mPrimitiveFields.mPivotY == 0.0f) {
+            mPrimitiveFields.mMatrixFlags &= ~PIVOT;
+        } else {
+            mPrimitiveFields.mMatrixFlags |= PIVOT;
+        }
+        mPrimitiveFields.mPivotExplicitlySet = true;
+    }
+
+    /* Note that getPivotX and getPivotY are adjusted by updateMatrix(),
+     * so the value returned mPrimitiveFields.may be stale if the RenderProperties has been
+     * mPrimitiveFields.modified since the last call to updateMatrix()
+     */
+    float getPivotX() const {
+        return mPrimitiveFields.mPivotX;
+    }
+
+    void setPivotY(float pivotY) {
+        mPrimitiveFields.mPivotY = pivotY;
+        mPrimitiveFields.mMatrixDirty = true;
+        if (mPrimitiveFields.mPivotX == 0.0f && mPrimitiveFields.mPivotY == 0.0f) {
+            mPrimitiveFields.mMatrixFlags &= ~PIVOT;
+        } else {
+            mPrimitiveFields.mMatrixFlags |= PIVOT;
+        }
+        mPrimitiveFields.mPivotExplicitlySet = true;
+    }
+
+    float getPivotY() const {
+        return mPrimitiveFields.mPivotY;
+    }
+
+    bool isPivotExplicitlySet() const {
+        return mPrimitiveFields.mPivotExplicitlySet;
+    }
+
+    void setCameraDistance(float distance) {
+        if (distance != getCameraDistance()) {
+            mPrimitiveFields.mMatrixDirty = true;
+            mComputedFields.mTransformCamera.setCameraLocation(0, 0, distance);
+        }
+    }
+
+    float getCameraDistance() const {
+        // TODO: update getCameraLocationZ() to be const
+        return const_cast<Sk3DView*>(&mComputedFields.mTransformCamera)->getCameraLocationZ();
+    }
+
+    void setLeft(int left) {
+        if (left != mPrimitiveFields.mLeft) {
+            mPrimitiveFields.mLeft = left;
+            mPrimitiveFields.mWidth = mPrimitiveFields.mRight - mPrimitiveFields.mLeft;
+            if (mPrimitiveFields.mMatrixFlags > TRANSLATION && !mPrimitiveFields.mPivotExplicitlySet) {
+                mPrimitiveFields.mMatrixDirty = true;
+            }
+        }
+    }
+
+    float getLeft() const {
+        return mPrimitiveFields.mLeft;
+    }
+
+    void setTop(int top) {
+        if (top != mPrimitiveFields.mTop) {
+            mPrimitiveFields.mTop = top;
+            mPrimitiveFields.mHeight = mPrimitiveFields.mBottom - mPrimitiveFields.mTop;
+            if (mPrimitiveFields.mMatrixFlags > TRANSLATION && !mPrimitiveFields.mPivotExplicitlySet) {
+                mPrimitiveFields.mMatrixDirty = true;
+            }
+        }
+    }
+
+    float getTop() const {
+        return mPrimitiveFields.mTop;
+    }
+
+    void setRight(int right) {
+        if (right != mPrimitiveFields.mRight) {
+            mPrimitiveFields.mRight = right;
+            mPrimitiveFields.mWidth = mPrimitiveFields.mRight - mPrimitiveFields.mLeft;
+            if (mPrimitiveFields.mMatrixFlags > TRANSLATION && !mPrimitiveFields.mPivotExplicitlySet) {
+                mPrimitiveFields.mMatrixDirty = true;
+            }
+        }
+    }
+
+    float getRight() const {
+        return mPrimitiveFields.mRight;
+    }
+
+    void setBottom(int bottom) {
+        if (bottom != mPrimitiveFields.mBottom) {
+            mPrimitiveFields.mBottom = bottom;
+            mPrimitiveFields.mHeight = mPrimitiveFields.mBottom - mPrimitiveFields.mTop;
+            if (mPrimitiveFields.mMatrixFlags > TRANSLATION && !mPrimitiveFields.mPivotExplicitlySet) {
+                mPrimitiveFields.mMatrixDirty = true;
+            }
+        }
+    }
+
+    float getBottom() const {
+        return mPrimitiveFields.mBottom;
+    }
+
+    void setLeftTop(int left, int top) {
+        if (left != mPrimitiveFields.mLeft || top != mPrimitiveFields.mTop) {
+            mPrimitiveFields.mLeft = left;
+            mPrimitiveFields.mTop = top;
+            mPrimitiveFields.mWidth = mPrimitiveFields.mRight - mPrimitiveFields.mLeft;
+            mPrimitiveFields.mHeight = mPrimitiveFields.mBottom - mPrimitiveFields.mTop;
+            if (mPrimitiveFields.mMatrixFlags > TRANSLATION && !mPrimitiveFields.mPivotExplicitlySet) {
+                mPrimitiveFields.mMatrixDirty = true;
+            }
+        }
+    }
+
+    void setLeftTopRightBottom(int left, int top, int right, int bottom) {
+        if (left != mPrimitiveFields.mLeft || top != mPrimitiveFields.mTop || right != mPrimitiveFields.mRight || bottom != mPrimitiveFields.mBottom) {
+            mPrimitiveFields.mLeft = left;
+            mPrimitiveFields.mTop = top;
+            mPrimitiveFields.mRight = right;
+            mPrimitiveFields.mBottom = bottom;
+            mPrimitiveFields.mWidth = mPrimitiveFields.mRight - mPrimitiveFields.mLeft;
+            mPrimitiveFields.mHeight = mPrimitiveFields.mBottom - mPrimitiveFields.mTop;
+            if (mPrimitiveFields.mMatrixFlags > TRANSLATION && !mPrimitiveFields.mPivotExplicitlySet) {
+                mPrimitiveFields.mMatrixDirty = true;
+            }
+        }
+    }
+
+    void offsetLeftRight(float offset) {
+        if (offset != 0) {
+            mPrimitiveFields.mLeft += offset;
+            mPrimitiveFields.mRight += offset;
+            if (mPrimitiveFields.mMatrixFlags > TRANSLATION && !mPrimitiveFields.mPivotExplicitlySet) {
+                mPrimitiveFields.mMatrixDirty = true;
+            }
+        }
+    }
+
+    void offsetTopBottom(float offset) {
+        if (offset != 0) {
+            mPrimitiveFields.mTop += offset;
+            mPrimitiveFields.mBottom += offset;
+            if (mPrimitiveFields.mMatrixFlags > TRANSLATION && !mPrimitiveFields.mPivotExplicitlySet) {
+                mPrimitiveFields.mMatrixDirty = true;
+            }
+        }
+    }
+
+    void setCaching(bool caching) {
+        mPrimitiveFields.mCaching = caching;
+    }
+
+    int getWidth() const {
+        return mPrimitiveFields.mWidth;
+    }
+
+    int getHeight() const {
+        return mPrimitiveFields.mHeight;
+    }
+
+    const SkMatrix* getAnimationMatrix() const {
+        return mAnimationMatrix;
+    }
+
+    uint32_t getMatrixFlags() const {
+        return mPrimitiveFields.mMatrixFlags;
+    }
+
+    const SkMatrix* getTransformMatrix() const {
+        return mComputedFields.mTransformMatrix;
+    }
+
+    bool getCaching() const {
+        return mPrimitiveFields.mCaching;
+    }
+
+    bool getClipToBounds() const {
+        return mPrimitiveFields.mClipToBounds;
+    }
+
+    bool getHasOverlappingRendering() const {
+        return mPrimitiveFields.mHasOverlappingRendering;
+    }
+
+    const Outline& getOutline() const {
+        return mPrimitiveFields.mOutline;
+    }
+
+    const RevealClip& getRevealClip() const {
+        return mPrimitiveFields.mRevealClip;
+    }
+
+    bool getProjectBackwards() const {
+        return mPrimitiveFields.mProjectBackwards;
+    }
+
+    void debugOutputProperties(const int level) const;
+
+    ANDROID_API void updateMatrix();
+
+    ANDROID_API void updateClipPath();
+
+    // signals that mComputedFields.mClipPath is up to date, and should be used for clipping
+    bool hasClippingPath() const {
+        return mPrimitiveFields.mOutline.willClip() || mPrimitiveFields.mRevealClip.willClip();
+    }
+
+    const SkPath* getClippingPath() const {
+        return hasClippingPath() ? mComputedFields.mClipPath : NULL;
+    }
+
+    SkRegion::Op getClippingPathOp() const {
+        return mComputedFields.mClipPathOp;
+    }
+
+    Outline& mutableOutline() {
+        return mPrimitiveFields.mOutline;
+    }
+
+    RevealClip& mutableRevealClip() {
+        return mPrimitiveFields.mRevealClip;
+    }
+
+private:
+    void onTranslationUpdate() {
+        mPrimitiveFields.mMatrixDirty = true;
+        if (mPrimitiveFields.mTranslationX == 0.0f && mPrimitiveFields.mTranslationY == 0.0f && mPrimitiveFields.mTranslationZ == 0.0f) {
+            mPrimitiveFields.mMatrixFlags &= ~TRANSLATION;
+        } else {
+            mPrimitiveFields.mMatrixFlags |= TRANSLATION;
+        }
+    }
+
+    // Rendering properties
+    struct PrimitiveFields {
+        PrimitiveFields();
+
+        Outline mOutline;
+        RevealClip mRevealClip;
+        bool mClipToBounds;
+        bool mProjectBackwards;
+        bool mProjectionReceiver;
+        float mAlpha;
+        bool mHasOverlappingRendering;
+        float mTranslationX, mTranslationY, mTranslationZ;
+        float mRotation, mRotationX, mRotationY;
+        float mScaleX, mScaleY;
+        float mPivotX, mPivotY;
+        int mLeft, mTop, mRight, mBottom;
+        int mWidth, mHeight;
+        int mPrevWidth, mPrevHeight;
+        bool mPivotExplicitlySet;
+        bool mMatrixDirty;
+        uint32_t mMatrixFlags;
+        bool mCaching;
+    } mPrimitiveFields;
+
+    // mCameraDistance isn't in mPrimitiveFields as it has a complex setter
+    SkMatrix* mStaticMatrix;
+    SkMatrix* mAnimationMatrix;
+
+    /**
+     * These fields are all generated from other properties and are not set directly.
+     */
+    struct ComputedFields {
+        ComputedFields();
+        ~ComputedFields();
+
+        /**
+         * Stores the total transformation of the DisplayList based upon its scalar
+         * translate/rotate/scale properties.
+         *
+         * In the common translation-only case, the matrix isn't necessarily allocated,
+         * and the mTranslation properties are used directly.
+         */
+        SkMatrix* mTransformMatrix;
+
+        Sk3DView mTransformCamera;
+        SkMatrix* mTransformMatrix3D;
+        SkPath* mClipPath; // TODO: remove this, create new ops for efficient/special case clipping
+        SkRegion::Op mClipPathOp;
+    } mComputedFields;
+};
+
+} /* namespace uirenderer */
+} /* namespace android */
+
+#endif /* RENDERNODEPROPERTIES_H */