| /* |
| * Copyright (C) 2016 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. |
| */ |
| |
| package android.graphics.drawable; |
| |
| import com.android.layoutlib.bridge.impl.DelegateManager; |
| import com.android.tools.layoutlib.annotations.LayoutlibDelegate; |
| |
| import android.annotation.NonNull; |
| import android.content.res.Resources; |
| import android.content.res.Resources.Theme; |
| import android.content.res.TypedArray; |
| import android.graphics.Canvas_Delegate; |
| import android.graphics.Color; |
| import android.graphics.Matrix; |
| import android.graphics.Paint; |
| import android.graphics.Paint.Cap; |
| import android.graphics.Paint.Join; |
| import android.graphics.Paint_Delegate; |
| import android.graphics.Path; |
| import android.graphics.PathMeasure; |
| import android.graphics.Path_Delegate; |
| import android.graphics.Rect; |
| import android.graphics.Region.Op; |
| import android.util.ArrayMap; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.util.MathUtils; |
| import android.util.PathParser_Delegate; |
| |
| import java.nio.ByteBuffer; |
| import java.nio.ByteOrder; |
| import java.nio.FloatBuffer; |
| import java.util.ArrayList; |
| import java.util.function.Consumer; |
| |
| import static android.graphics.Canvas.CLIP_SAVE_FLAG; |
| import static android.graphics.Canvas.MATRIX_SAVE_FLAG; |
| import static android.graphics.Paint.Cap.BUTT; |
| import static android.graphics.Paint.Cap.ROUND; |
| import static android.graphics.Paint.Cap.SQUARE; |
| import static android.graphics.Paint.Join.BEVEL; |
| import static android.graphics.Paint.Join.MITER; |
| import static android.graphics.Paint.Style; |
| |
| /** |
| * Delegate used to provide new implementation of a select few methods of {@link VectorDrawable} |
| * <p> |
| * Through the layoutlib_create tool, the original methods of VectorDrawable have been replaced by |
| * calls to methods of the same name in this delegate class. |
| */ |
| @SuppressWarnings("unused") |
| public class VectorDrawable_Delegate { |
| private static final String LOGTAG = VectorDrawable_Delegate.class.getSimpleName(); |
| private static final boolean DBG_VECTOR_DRAWABLE = false; |
| |
| private static final DelegateManager<VNativeObject> sPathManager = |
| new DelegateManager<>(VNativeObject.class); |
| |
| /** |
| * Obtains styled attributes from the theme, if available, or unstyled resources if the theme is |
| * null. |
| */ |
| private static TypedArray obtainAttributes( |
| Resources res, Theme theme, AttributeSet set, int[] attrs) { |
| if (theme == null) { |
| return res.obtainAttributes(set, attrs); |
| } |
| return theme.obtainStyledAttributes(set, attrs, 0, 0); |
| } |
| |
| private static int applyAlpha(int color, float alpha) { |
| int alphaBytes = Color.alpha(color); |
| color &= 0x00FFFFFF; |
| color |= ((int) (alphaBytes * alpha)) << 24; |
| return color; |
| } |
| |
| @LayoutlibDelegate |
| static long nCreateRenderer(long rootGroupPtr) { |
| VGroup_Delegate rootGroup = VNativeObject.getDelegate(rootGroupPtr); |
| return sPathManager.addNewDelegate(new VPathRenderer_Delegate(rootGroup)); |
| } |
| |
| @LayoutlibDelegate |
| static void nSetRendererViewportSize(long rendererPtr, float viewportWidth, |
| float viewportHeight) { |
| VPathRenderer_Delegate nativePathRenderer = VNativeObject.getDelegate(rendererPtr); |
| nativePathRenderer.mViewportWidth = viewportWidth; |
| nativePathRenderer.mViewportHeight = viewportHeight; |
| } |
| |
| @LayoutlibDelegate |
| static boolean nSetRootAlpha(long rendererPtr, float alpha) { |
| VPathRenderer_Delegate nativePathRenderer = VNativeObject.getDelegate(rendererPtr); |
| nativePathRenderer.setRootAlpha(alpha); |
| |
| return true; |
| } |
| |
| @LayoutlibDelegate |
| static float nGetRootAlpha(long rendererPtr) { |
| VPathRenderer_Delegate nativePathRenderer = VNativeObject.getDelegate(rendererPtr); |
| |
| return nativePathRenderer.getRootAlpha(); |
| } |
| |
| @LayoutlibDelegate |
| static void nSetAllowCaching(long rendererPtr, boolean allowCaching) { |
| // ignored |
| } |
| |
| @LayoutlibDelegate |
| static void nDraw(long rendererPtr, long canvasWrapperPtr, |
| long colorFilterPtr, Rect bounds, boolean needsMirroring, boolean canReuseCache) { |
| VPathRenderer_Delegate nativePathRenderer = VNativeObject.getDelegate(rendererPtr); |
| |
| Canvas_Delegate.native_save(canvasWrapperPtr, MATRIX_SAVE_FLAG | CLIP_SAVE_FLAG); |
| Canvas_Delegate.native_translate(canvasWrapperPtr, bounds.left, bounds.top); |
| |
| if (needsMirroring) { |
| Canvas_Delegate.native_translate(canvasWrapperPtr, bounds.width(), 0); |
| Canvas_Delegate.native_scale(canvasWrapperPtr, -1.0f, 1.0f); |
| } |
| |
| // At this point, canvas has been translated to the right position. |
| // And we use this bound for the destination rect for the drawBitmap, so |
| // we offset to (0, 0); |
| bounds.offsetTo(0, 0); |
| nativePathRenderer.draw(canvasWrapperPtr, colorFilterPtr, bounds.width(), bounds.height()); |
| |
| Canvas_Delegate.native_restore(canvasWrapperPtr, true); |
| } |
| |
| @LayoutlibDelegate |
| static long nCreateFullPath() { |
| return sPathManager.addNewDelegate(new VFullPath_Delegate()); |
| } |
| |
| @LayoutlibDelegate |
| static long nCreateFullPath(long nativeFullPathPtr) { |
| VFullPath_Delegate original = VNativeObject.getDelegate(nativeFullPathPtr); |
| |
| return sPathManager.addNewDelegate(new VFullPath_Delegate(original)); |
| } |
| |
| @LayoutlibDelegate |
| static boolean nGetFullPathProperties(long pathPtr, byte[] propertiesData, |
| int length) { |
| VFullPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| |
| ByteBuffer properties = ByteBuffer.wrap(propertiesData); |
| properties.order(ByteOrder.nativeOrder()); |
| |
| properties.putFloat(VFullPath_Delegate.STROKE_WIDTH_INDEX * 4, path.getStrokeWidth()); |
| properties.putInt(VFullPath_Delegate.STROKE_COLOR_INDEX * 4, path.getStrokeColor()); |
| properties.putFloat(VFullPath_Delegate.STROKE_ALPHA_INDEX * 4, path.getStrokeAlpha()); |
| properties.putInt(VFullPath_Delegate.FILL_COLOR_INDEX * 4, path.getFillColor()); |
| properties.putFloat(VFullPath_Delegate.FILL_ALPHA_INDEX * 4, path.getStrokeAlpha()); |
| properties.putFloat(VFullPath_Delegate.TRIM_PATH_START_INDEX * 4, path.getTrimPathStart()); |
| properties.putFloat(VFullPath_Delegate.TRIM_PATH_END_INDEX * 4, path.getTrimPathEnd()); |
| properties.putFloat(VFullPath_Delegate.TRIM_PATH_OFFSET_INDEX * 4, |
| path.getTrimPathOffset()); |
| properties.putInt(VFullPath_Delegate.STROKE_LINE_CAP_INDEX * 4, path.getStrokeLineCap()); |
| properties.putInt(VFullPath_Delegate.STROKE_LINE_JOIN_INDEX * 4, path.getStrokeLineJoin()); |
| properties.putFloat(VFullPath_Delegate.STROKE_MITER_LIMIT_INDEX * 4, |
| path.getStrokeMiterlimit()); |
| |
| return true; |
| } |
| |
| @LayoutlibDelegate |
| static void nUpdateFullPathProperties(long pathPtr, float strokeWidth, |
| int strokeColor, float strokeAlpha, int fillColor, float fillAlpha, float trimPathStart, |
| float trimPathEnd, float trimPathOffset, float strokeMiterLimit, int strokeLineCap, |
| int strokeLineJoin) { |
| VFullPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| |
| path.setStrokeWidth(strokeWidth); |
| path.setStrokeColor(strokeColor); |
| path.setStrokeAlpha(strokeAlpha); |
| path.setFillColor(fillColor); |
| path.setFillAlpha(fillAlpha); |
| path.setTrimPathStart(trimPathStart); |
| path.setTrimPathEnd(trimPathEnd); |
| path.setTrimPathOffset(trimPathOffset); |
| path.setStrokeMiterlimit(strokeMiterLimit); |
| path.setStrokeLineCap(strokeLineCap); |
| path.setStrokeLineJoin(strokeLineJoin); |
| } |
| |
| @LayoutlibDelegate |
| static void nUpdateFullPathFillGradient(long pathPtr, long fillGradientPtr) { |
| VFullPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| |
| path.setFillGradient(fillGradientPtr); |
| } |
| |
| @LayoutlibDelegate |
| static void nUpdateFullPathStrokeGradient(long pathPtr, long strokeGradientPtr) { |
| VFullPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| |
| path.setStrokeGradient(strokeGradientPtr); |
| } |
| |
| @LayoutlibDelegate |
| static long nCreateClipPath() { |
| return sPathManager.addNewDelegate(new VClipPath_Delegate()); |
| } |
| |
| @LayoutlibDelegate |
| static long nCreateClipPath(long clipPathPtr) { |
| VClipPath_Delegate original = VNativeObject.getDelegate(clipPathPtr); |
| return sPathManager.addNewDelegate(new VClipPath_Delegate(original)); |
| } |
| |
| @LayoutlibDelegate |
| static long nCreateGroup() { |
| return sPathManager.addNewDelegate(new VGroup_Delegate()); |
| } |
| |
| @LayoutlibDelegate |
| static long nCreateGroup(long groupPtr) { |
| VGroup_Delegate original = VNativeObject.getDelegate(groupPtr); |
| return sPathManager.addNewDelegate( |
| new VGroup_Delegate(original, new ArrayMap<String, Object>())); |
| } |
| |
| @LayoutlibDelegate |
| static void nSetName(long nodePtr, String name) { |
| VNativeObject group = VNativeObject.getDelegate(nodePtr); |
| group.setName(name); |
| } |
| |
| @LayoutlibDelegate |
| static boolean nGetGroupProperties(long groupPtr, float[] propertiesData, |
| int length) { |
| VGroup_Delegate group = VNativeObject.getDelegate(groupPtr); |
| |
| FloatBuffer properties = FloatBuffer.wrap(propertiesData); |
| |
| properties.put(VGroup_Delegate.ROTATE_INDEX, group.getRotation()); |
| properties.put(VGroup_Delegate.PIVOT_X_INDEX, group.getPivotX()); |
| properties.put(VGroup_Delegate.PIVOT_Y_INDEX, group.getPivotY()); |
| properties.put(VGroup_Delegate.SCALE_X_INDEX, group.getScaleX()); |
| properties.put(VGroup_Delegate.SCALE_Y_INDEX, group.getScaleY()); |
| properties.put(VGroup_Delegate.TRANSLATE_X_INDEX, group.getTranslateX()); |
| properties.put(VGroup_Delegate.TRANSLATE_Y_INDEX, group.getTranslateY()); |
| |
| return true; |
| } |
| @LayoutlibDelegate |
| static void nUpdateGroupProperties(long groupPtr, float rotate, float pivotX, |
| float pivotY, float scaleX, float scaleY, float translateX, float translateY) { |
| VGroup_Delegate group = VNativeObject.getDelegate(groupPtr); |
| |
| group.setRotation(rotate); |
| group.setPivotX(pivotX); |
| group.setPivotY(pivotY); |
| group.setScaleX(scaleX); |
| group.setScaleY(scaleY); |
| group.setTranslateX(translateX); |
| group.setTranslateY(translateY); |
| } |
| |
| @LayoutlibDelegate |
| static void nAddChild(long groupPtr, long nodePtr) { |
| VGroup_Delegate group = VNativeObject.getDelegate(groupPtr); |
| group.mChildren.add(VNativeObject.getDelegate(nodePtr)); |
| } |
| |
| @LayoutlibDelegate |
| static void nSetPathString(long pathPtr, String pathString, int length) { |
| VPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| path.setPathData(PathParser_Delegate.createNodesFromPathData(pathString)); |
| } |
| |
| /** |
| * The setters and getters below for paths and groups are here temporarily, and will be removed |
| * once the animation in AVD is replaced with RenderNodeAnimator, in which case the animation |
| * will modify these properties in native. By then no JNI hopping would be necessary for VD |
| * during animation, and these setters and getters will be obsolete. |
| */ |
| // Setters and getters during animation. |
| @LayoutlibDelegate |
| static float nGetRotation(long groupPtr) { |
| VGroup_Delegate group = VNativeObject.getDelegate(groupPtr); |
| return group.getRotation(); |
| } |
| |
| @LayoutlibDelegate |
| static void nSetRotation(long groupPtr, float rotation) { |
| VGroup_Delegate group = VNativeObject.getDelegate(groupPtr); |
| group.setRotation(rotation); |
| } |
| |
| @LayoutlibDelegate |
| static float nGetPivotX(long groupPtr) { |
| VGroup_Delegate group = VNativeObject.getDelegate(groupPtr); |
| return group.getPivotX(); |
| } |
| |
| @LayoutlibDelegate |
| static void nSetPivotX(long groupPtr, float pivotX) { |
| VGroup_Delegate group = VNativeObject.getDelegate(groupPtr); |
| group.setPivotX(pivotX); |
| } |
| |
| @LayoutlibDelegate |
| static float nGetPivotY(long groupPtr) { |
| VGroup_Delegate group = VNativeObject.getDelegate(groupPtr); |
| return group.getPivotY(); |
| } |
| |
| @LayoutlibDelegate |
| static void nSetPivotY(long groupPtr, float pivotY) { |
| VGroup_Delegate group = VNativeObject.getDelegate(groupPtr); |
| group.setPivotY(pivotY); |
| } |
| |
| @LayoutlibDelegate |
| static float nGetScaleX(long groupPtr) { |
| VGroup_Delegate group = VNativeObject.getDelegate(groupPtr); |
| return group.getScaleX(); |
| } |
| |
| @LayoutlibDelegate |
| static void nSetScaleX(long groupPtr, float scaleX) { |
| VGroup_Delegate group = VNativeObject.getDelegate(groupPtr); |
| group.setScaleX(scaleX); |
| } |
| |
| @LayoutlibDelegate |
| static float nGetScaleY(long groupPtr) { |
| VGroup_Delegate group = VNativeObject.getDelegate(groupPtr); |
| return group.getScaleY(); |
| } |
| |
| @LayoutlibDelegate |
| static void nSetScaleY(long groupPtr, float scaleY) { |
| VGroup_Delegate group = VNativeObject.getDelegate(groupPtr); |
| group.setScaleY(scaleY); |
| } |
| |
| @LayoutlibDelegate |
| static float nGetTranslateX(long groupPtr) { |
| VGroup_Delegate group = VNativeObject.getDelegate(groupPtr); |
| return group.getTranslateX(); |
| } |
| |
| @LayoutlibDelegate |
| static void nSetTranslateX(long groupPtr, float translateX) { |
| VGroup_Delegate group = VNativeObject.getDelegate(groupPtr); |
| group.setTranslateX(translateX); |
| } |
| |
| @LayoutlibDelegate |
| static float nGetTranslateY(long groupPtr) { |
| VGroup_Delegate group = VNativeObject.getDelegate(groupPtr); |
| return group.getTranslateY(); |
| } |
| |
| @LayoutlibDelegate |
| static void nSetTranslateY(long groupPtr, float translateY) { |
| VGroup_Delegate group = VNativeObject.getDelegate(groupPtr); |
| group.setTranslateY(translateY); |
| } |
| |
| @LayoutlibDelegate |
| static void nSetPathData(long pathPtr, long pathDataPtr) { |
| VPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| path.setPathData(PathParser_Delegate.getDelegate(pathDataPtr).getPathDataNodes()); |
| } |
| |
| @LayoutlibDelegate |
| static float nGetStrokeWidth(long pathPtr) { |
| VFullPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| return path.getStrokeWidth(); |
| } |
| |
| @LayoutlibDelegate |
| static void nSetStrokeWidth(long pathPtr, float width) { |
| VFullPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| path.setStrokeWidth(width); |
| } |
| |
| @LayoutlibDelegate |
| static int nGetStrokeColor(long pathPtr) { |
| VFullPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| return path.getStrokeColor(); |
| } |
| |
| @LayoutlibDelegate |
| static void nSetStrokeColor(long pathPtr, int strokeColor) { |
| VFullPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| path.setStrokeColor(strokeColor); |
| } |
| |
| @LayoutlibDelegate |
| static float nGetStrokeAlpha(long pathPtr) { |
| VFullPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| return path.getStrokeAlpha(); |
| } |
| |
| @LayoutlibDelegate |
| static void nSetStrokeAlpha(long pathPtr, float alpha) { |
| VFullPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| path.setStrokeAlpha(alpha); |
| } |
| |
| @LayoutlibDelegate |
| static int nGetFillColor(long pathPtr) { |
| VFullPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| return path.getFillColor(); |
| } |
| |
| @LayoutlibDelegate |
| static void nSetFillColor(long pathPtr, int fillColor) { |
| VFullPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| path.setFillColor(fillColor); |
| } |
| |
| @LayoutlibDelegate |
| static float nGetFillAlpha(long pathPtr) { |
| VFullPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| return path.getFillAlpha(); |
| } |
| |
| @LayoutlibDelegate |
| static void nSetFillAlpha(long pathPtr, float fillAlpha) { |
| VFullPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| path.setFillAlpha(fillAlpha); |
| } |
| |
| @LayoutlibDelegate |
| static float nGetTrimPathStart(long pathPtr) { |
| VFullPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| return path.getTrimPathStart(); |
| } |
| |
| @LayoutlibDelegate |
| static void nSetTrimPathStart(long pathPtr, float trimPathStart) { |
| VFullPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| path.setTrimPathStart(trimPathStart); |
| } |
| |
| @LayoutlibDelegate |
| static float nGetTrimPathEnd(long pathPtr) { |
| VFullPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| return path.getTrimPathEnd(); |
| } |
| |
| @LayoutlibDelegate |
| static void nSetTrimPathEnd(long pathPtr, float trimPathEnd) { |
| VFullPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| path.setTrimPathEnd(trimPathEnd); |
| } |
| |
| @LayoutlibDelegate |
| static float nGetTrimPathOffset(long pathPtr) { |
| VFullPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| return path.getTrimPathOffset(); |
| } |
| |
| @LayoutlibDelegate |
| static void nSetTrimPathOffset(long pathPtr, float trimPathOffset) { |
| VFullPath_Delegate path = VNativeObject.getDelegate(pathPtr); |
| path.setTrimPathOffset(trimPathOffset); |
| } |
| |
| /** |
| * Base class for all the internal Delegates that does two functions: |
| * <ol> |
| * <li>Serves as base class to store all the delegates in one {@link DelegateManager} |
| * <li>Provides setName for all the classes. {@link VPathRenderer_Delegate} does actually |
| * not need it |
| * </ol> |
| */ |
| interface VNativeObject { |
| @NonNull |
| static <T> T getDelegate(long nativePtr) { |
| //noinspection unchecked |
| T vNativeObject = (T) sPathManager.getDelegate(nativePtr); |
| |
| assert vNativeObject != null; |
| return vNativeObject; |
| } |
| |
| void setName(String name); |
| } |
| |
| private static class VClipPath_Delegate extends VPath_Delegate { |
| private VClipPath_Delegate() { |
| // Empty constructor. |
| } |
| |
| private VClipPath_Delegate(VClipPath_Delegate copy) { |
| super(copy); |
| } |
| |
| @Override |
| public boolean isClipPath() { |
| return true; |
| } |
| } |
| |
| static class VFullPath_Delegate extends VPath_Delegate { |
| // These constants need to be kept in sync with their values in VectorDrawable.VFullPath |
| private static final int STROKE_WIDTH_INDEX = 0; |
| private static final int STROKE_COLOR_INDEX = 1; |
| private static final int STROKE_ALPHA_INDEX = 2; |
| private static final int FILL_COLOR_INDEX = 3; |
| private static final int FILL_ALPHA_INDEX = 4; |
| private static final int TRIM_PATH_START_INDEX = 5; |
| private static final int TRIM_PATH_END_INDEX = 6; |
| private static final int TRIM_PATH_OFFSET_INDEX = 7; |
| private static final int STROKE_LINE_CAP_INDEX = 8; |
| private static final int STROKE_LINE_JOIN_INDEX = 9; |
| private static final int STROKE_MITER_LIMIT_INDEX = 10; |
| |
| private static final int LINECAP_BUTT = 0; |
| private static final int LINECAP_ROUND = 1; |
| private static final int LINECAP_SQUARE = 2; |
| |
| private static final int LINEJOIN_MITER = 0; |
| private static final int LINEJOIN_ROUND = 1; |
| private static final int LINEJOIN_BEVEL = 2; |
| |
| @NonNull |
| public Consumer<Float> getFloatPropertySetter(int propertyIdx) { |
| switch (propertyIdx) { |
| case STROKE_ALPHA_INDEX: |
| return this::setStrokeAlpha; |
| case FILL_ALPHA_INDEX: |
| return this::setFillAlpha; |
| case TRIM_PATH_START_INDEX: |
| return this::setTrimPathStart; |
| case TRIM_PATH_END_INDEX: |
| return this::setTrimPathEnd; |
| case TRIM_PATH_OFFSET_INDEX: |
| return this::setTrimPathOffset; |
| } |
| |
| throw new IllegalArgumentException("Invalid VFullPath_Delegate property index " |
| + propertyIdx); |
| } |
| |
| @NonNull |
| public Consumer<Integer> getIntPropertySetter(int propertyIdx) { |
| switch (propertyIdx) { |
| case STROKE_COLOR_INDEX: |
| return this::setStrokeColor; |
| case FILL_COLOR_INDEX: |
| return this::setFillColor; |
| } |
| |
| throw new IllegalArgumentException("Invalid VFullPath_Delegate property index " |
| + propertyIdx); |
| } |
| |
| ///////////////////////////////////////////////////// |
| // Variables below need to be copied (deep copy if applicable) for mutation. |
| |
| int mStrokeColor = Color.TRANSPARENT; |
| float mStrokeWidth = 0; |
| |
| int mFillColor = Color.TRANSPARENT; |
| long mStrokeGradient = 0; |
| long mFillGradient = 0; |
| float mStrokeAlpha = 1.0f; |
| float mFillAlpha = 1.0f; |
| float mTrimPathStart = 0; |
| float mTrimPathEnd = 1; |
| float mTrimPathOffset = 0; |
| |
| Cap mStrokeLineCap = BUTT; |
| Join mStrokeLineJoin = MITER; |
| float mStrokeMiterlimit = 4; |
| |
| private VFullPath_Delegate() { |
| // Empty constructor. |
| } |
| |
| private VFullPath_Delegate(VFullPath_Delegate copy) { |
| super(copy); |
| |
| mStrokeColor = copy.mStrokeColor; |
| mStrokeWidth = copy.mStrokeWidth; |
| mStrokeAlpha = copy.mStrokeAlpha; |
| mFillColor = copy.mFillColor; |
| mFillAlpha = copy.mFillAlpha; |
| mTrimPathStart = copy.mTrimPathStart; |
| mTrimPathEnd = copy.mTrimPathEnd; |
| mTrimPathOffset = copy.mTrimPathOffset; |
| |
| mStrokeLineCap = copy.mStrokeLineCap; |
| mStrokeLineJoin = copy.mStrokeLineJoin; |
| mStrokeMiterlimit = copy.mStrokeMiterlimit; |
| |
| mStrokeGradient = copy.mStrokeGradient; |
| mFillGradient = copy.mFillGradient; |
| } |
| |
| private int getStrokeLineCap() { |
| switch (mStrokeLineCap) { |
| case BUTT: |
| return LINECAP_BUTT; |
| case ROUND: |
| return LINECAP_ROUND; |
| case SQUARE: |
| return LINECAP_SQUARE; |
| default: |
| assert false; |
| } |
| |
| return -1; |
| } |
| |
| private void setStrokeLineCap(int cap) { |
| switch (cap) { |
| case LINECAP_BUTT: |
| mStrokeLineCap = BUTT; |
| break; |
| case LINECAP_ROUND: |
| mStrokeLineCap = ROUND; |
| break; |
| case LINECAP_SQUARE: |
| mStrokeLineCap = SQUARE; |
| break; |
| default: |
| assert false; |
| } |
| } |
| |
| private int getStrokeLineJoin() { |
| switch (mStrokeLineJoin) { |
| case MITER: |
| return LINEJOIN_MITER; |
| case ROUND: |
| return LINEJOIN_ROUND; |
| case BEVEL: |
| return LINEJOIN_BEVEL; |
| default: |
| assert false; |
| } |
| |
| return -1; |
| } |
| |
| private void setStrokeLineJoin(int join) { |
| switch (join) { |
| case LINEJOIN_BEVEL: |
| mStrokeLineJoin = BEVEL; |
| break; |
| case LINEJOIN_MITER: |
| mStrokeLineJoin = MITER; |
| break; |
| case LINEJOIN_ROUND: |
| mStrokeLineJoin = Join.ROUND; |
| break; |
| default: |
| assert false; |
| } |
| } |
| |
| private int getStrokeColor() { |
| return mStrokeColor; |
| } |
| |
| private void setStrokeColor(int strokeColor) { |
| mStrokeColor = strokeColor; |
| } |
| |
| private float getStrokeWidth() { |
| return mStrokeWidth; |
| } |
| |
| private void setStrokeWidth(float strokeWidth) { |
| mStrokeWidth = strokeWidth; |
| } |
| |
| private float getStrokeAlpha() { |
| return mStrokeAlpha; |
| } |
| |
| private void setStrokeAlpha(float strokeAlpha) { |
| mStrokeAlpha = strokeAlpha; |
| } |
| |
| private int getFillColor() { |
| return mFillColor; |
| } |
| |
| private void setFillColor(int fillColor) { |
| mFillColor = fillColor; |
| } |
| |
| private float getFillAlpha() { |
| return mFillAlpha; |
| } |
| |
| private void setFillAlpha(float fillAlpha) { |
| mFillAlpha = fillAlpha; |
| } |
| |
| private float getTrimPathStart() { |
| return mTrimPathStart; |
| } |
| |
| private void setTrimPathStart(float trimPathStart) { |
| mTrimPathStart = trimPathStart; |
| } |
| |
| private float getTrimPathEnd() { |
| return mTrimPathEnd; |
| } |
| |
| private void setTrimPathEnd(float trimPathEnd) { |
| mTrimPathEnd = trimPathEnd; |
| } |
| |
| private float getTrimPathOffset() { |
| return mTrimPathOffset; |
| } |
| |
| private void setTrimPathOffset(float trimPathOffset) { |
| mTrimPathOffset = trimPathOffset; |
| } |
| |
| private void setStrokeMiterlimit(float limit) { |
| mStrokeMiterlimit = limit; |
| } |
| |
| private float getStrokeMiterlimit() { |
| return mStrokeMiterlimit; |
| } |
| |
| private void setStrokeGradient(long gradientPtr) { |
| mStrokeGradient = gradientPtr; |
| } |
| |
| private void setFillGradient(long gradientPtr) { |
| mFillGradient = gradientPtr; |
| } |
| } |
| |
| static class VGroup_Delegate implements VNativeObject { |
| // This constants need to be kept in sync with their definitions in VectorDrawable.Group |
| private static final int ROTATE_INDEX = 0; |
| private static final int PIVOT_X_INDEX = 1; |
| private static final int PIVOT_Y_INDEX = 2; |
| private static final int SCALE_X_INDEX = 3; |
| private static final int SCALE_Y_INDEX = 4; |
| private static final int TRANSLATE_X_INDEX = 5; |
| private static final int TRANSLATE_Y_INDEX = 6; |
| |
| public Consumer<Float> getPropertySetter(int propertyIdx) { |
| switch (propertyIdx) { |
| case ROTATE_INDEX: |
| return this::setRotation; |
| case PIVOT_X_INDEX: |
| return this::setPivotX; |
| case PIVOT_Y_INDEX: |
| return this::setPivotY; |
| case SCALE_X_INDEX: |
| return this::setScaleX; |
| case SCALE_Y_INDEX: |
| return this::setScaleY; |
| case TRANSLATE_X_INDEX: |
| return this::setTranslateX; |
| case TRANSLATE_Y_INDEX: |
| return this::setTranslateY; |
| } |
| |
| throw new IllegalArgumentException("Invalid VGroup_Delegate property index " |
| + propertyIdx); |
| } |
| |
| ///////////////////////////////////////////////////// |
| // Variables below need to be copied (deep copy if applicable) for mutation. |
| final ArrayList<Object> mChildren = new ArrayList<>(); |
| // mStackedMatrix is only used temporarily when drawing, it combines all |
| // the parents' local matrices with the current one. |
| private final Matrix mStackedMatrix = new Matrix(); |
| // mLocalMatrix is updated based on the update of transformation information, |
| // either parsed from the XML or by animation. |
| private final Matrix mLocalMatrix = new Matrix(); |
| private float mRotate = 0; |
| private float mPivotX = 0; |
| private float mPivotY = 0; |
| private float mScaleX = 1; |
| private float mScaleY = 1; |
| private float mTranslateX = 0; |
| private float mTranslateY = 0; |
| private int mChangingConfigurations; |
| private String mGroupName = null; |
| |
| private VGroup_Delegate(VGroup_Delegate copy, ArrayMap<String, Object> targetsMap) { |
| mRotate = copy.mRotate; |
| mPivotX = copy.mPivotX; |
| mPivotY = copy.mPivotY; |
| mScaleX = copy.mScaleX; |
| mScaleY = copy.mScaleY; |
| mTranslateX = copy.mTranslateX; |
| mTranslateY = copy.mTranslateY; |
| mGroupName = copy.mGroupName; |
| mChangingConfigurations = copy.mChangingConfigurations; |
| if (mGroupName != null) { |
| targetsMap.put(mGroupName, this); |
| } |
| |
| mLocalMatrix.set(copy.mLocalMatrix); |
| |
| final ArrayList<Object> children = copy.mChildren; |
| //noinspection ForLoopReplaceableByForEach |
| for (int i = 0; i < children.size(); i++) { |
| Object copyChild = children.get(i); |
| if (copyChild instanceof VGroup_Delegate) { |
| VGroup_Delegate copyGroup = (VGroup_Delegate) copyChild; |
| mChildren.add(new VGroup_Delegate(copyGroup, targetsMap)); |
| } else { |
| VPath_Delegate newPath; |
| if (copyChild instanceof VFullPath_Delegate) { |
| newPath = new VFullPath_Delegate((VFullPath_Delegate) copyChild); |
| } else if (copyChild instanceof VClipPath_Delegate) { |
| newPath = new VClipPath_Delegate((VClipPath_Delegate) copyChild); |
| } else { |
| throw new IllegalStateException("Unknown object in the tree!"); |
| } |
| mChildren.add(newPath); |
| if (newPath.mPathName != null) { |
| targetsMap.put(newPath.mPathName, newPath); |
| } |
| } |
| } |
| } |
| |
| private VGroup_Delegate() { |
| } |
| |
| private void updateLocalMatrix() { |
| // The order we apply is the same as the |
| // RenderNode.cpp::applyViewPropertyTransforms(). |
| mLocalMatrix.reset(); |
| mLocalMatrix.postTranslate(-mPivotX, -mPivotY); |
| mLocalMatrix.postScale(mScaleX, mScaleY); |
| mLocalMatrix.postRotate(mRotate, 0, 0); |
| mLocalMatrix.postTranslate(mTranslateX + mPivotX, mTranslateY + mPivotY); |
| } |
| |
| /* Setters and Getters, used by animator from AnimatedVectorDrawable. */ |
| private float getRotation() { |
| return mRotate; |
| } |
| |
| private void setRotation(float rotation) { |
| if (rotation != mRotate) { |
| mRotate = rotation; |
| updateLocalMatrix(); |
| } |
| } |
| |
| private float getPivotX() { |
| return mPivotX; |
| } |
| |
| private void setPivotX(float pivotX) { |
| if (pivotX != mPivotX) { |
| mPivotX = pivotX; |
| updateLocalMatrix(); |
| } |
| } |
| |
| private float getPivotY() { |
| return mPivotY; |
| } |
| |
| private void setPivotY(float pivotY) { |
| if (pivotY != mPivotY) { |
| mPivotY = pivotY; |
| updateLocalMatrix(); |
| } |
| } |
| |
| private float getScaleX() { |
| return mScaleX; |
| } |
| |
| private void setScaleX(float scaleX) { |
| if (scaleX != mScaleX) { |
| mScaleX = scaleX; |
| updateLocalMatrix(); |
| } |
| } |
| |
| private float getScaleY() { |
| return mScaleY; |
| } |
| |
| private void setScaleY(float scaleY) { |
| if (scaleY != mScaleY) { |
| mScaleY = scaleY; |
| updateLocalMatrix(); |
| } |
| } |
| |
| private float getTranslateX() { |
| return mTranslateX; |
| } |
| |
| private void setTranslateX(float translateX) { |
| if (translateX != mTranslateX) { |
| mTranslateX = translateX; |
| updateLocalMatrix(); |
| } |
| } |
| |
| private float getTranslateY() { |
| return mTranslateY; |
| } |
| |
| private void setTranslateY(float translateY) { |
| if (translateY != mTranslateY) { |
| mTranslateY = translateY; |
| updateLocalMatrix(); |
| } |
| } |
| |
| @Override |
| public void setName(String name) { |
| mGroupName = name; |
| } |
| } |
| |
| public static class VPath_Delegate implements VNativeObject { |
| protected PathParser_Delegate.PathDataNode[] mNodes = null; |
| String mPathName; |
| int mChangingConfigurations; |
| |
| public VPath_Delegate() { |
| // Empty constructor. |
| } |
| |
| public VPath_Delegate(VPath_Delegate copy) { |
| mPathName = copy.mPathName; |
| mChangingConfigurations = copy.mChangingConfigurations; |
| mNodes = PathParser_Delegate.deepCopyNodes(copy.mNodes); |
| } |
| |
| public void toPath(Path path) { |
| path.reset(); |
| if (mNodes != null) { |
| PathParser_Delegate.PathDataNode.nodesToPath(mNodes, |
| Path_Delegate.getDelegate(path.mNativePath)); |
| } |
| } |
| |
| @Override |
| public void setName(String name) { |
| mPathName = name; |
| } |
| |
| public boolean isClipPath() { |
| return false; |
| } |
| |
| private void setPathData(PathParser_Delegate.PathDataNode[] nodes) { |
| if (!PathParser_Delegate.canMorph(mNodes, nodes)) { |
| // This should not happen in the middle of animation. |
| mNodes = PathParser_Delegate.deepCopyNodes(nodes); |
| } else { |
| PathParser_Delegate.updateNodes(mNodes, nodes); |
| } |
| } |
| } |
| |
| static class VPathRenderer_Delegate implements VNativeObject { |
| /* Right now the internal data structure is organized as a tree. |
| * Each node can be a group node, or a path. |
| * A group node can have groups or paths as children, but a path node has |
| * no children. |
| * One example can be: |
| * Root Group |
| * / | \ |
| * Group Path Group |
| * / \ | |
| * Path Path Path |
| * |
| */ |
| // Variables that only used temporarily inside the draw() call, so there |
| // is no need for deep copying. |
| private final Path mPath; |
| private final Path mRenderPath; |
| private final Matrix mFinalPathMatrix = new Matrix(); |
| private final VGroup_Delegate mRootGroup; |
| private float mViewportWidth = 0; |
| private float mViewportHeight = 0; |
| private float mRootAlpha = 1.0f; |
| private Paint mStrokePaint; |
| private Paint mFillPaint; |
| private PathMeasure mPathMeasure; |
| |
| private VPathRenderer_Delegate(VGroup_Delegate rootGroup) { |
| mRootGroup = rootGroup; |
| mPath = new Path(); |
| mRenderPath = new Path(); |
| } |
| |
| private float getRootAlpha() { |
| return mRootAlpha; |
| } |
| |
| void setRootAlpha(float alpha) { |
| mRootAlpha = alpha; |
| } |
| |
| private void drawGroupTree(VGroup_Delegate currentGroup, Matrix currentMatrix, |
| long canvasPtr, int w, int h, long filterPtr) { |
| // Calculate current group's matrix by preConcat the parent's and |
| // and the current one on the top of the stack. |
| // Basically the Mfinal = Mviewport * M0 * M1 * M2; |
| // Mi the local matrix at level i of the group tree. |
| currentGroup.mStackedMatrix.set(currentMatrix); |
| currentGroup.mStackedMatrix.preConcat(currentGroup.mLocalMatrix); |
| |
| // Save the current clip information, which is local to this group. |
| Canvas_Delegate.native_save(canvasPtr, MATRIX_SAVE_FLAG | CLIP_SAVE_FLAG); |
| // Draw the group tree in the same order as the XML file. |
| for (int i = 0; i < currentGroup.mChildren.size(); i++) { |
| Object child = currentGroup.mChildren.get(i); |
| if (child instanceof VGroup_Delegate) { |
| VGroup_Delegate childGroup = (VGroup_Delegate) child; |
| drawGroupTree(childGroup, currentGroup.mStackedMatrix, |
| canvasPtr, w, h, filterPtr); |
| } else if (child instanceof VPath_Delegate) { |
| VPath_Delegate childPath = (VPath_Delegate) child; |
| drawPath(currentGroup, childPath, canvasPtr, w, h, filterPtr); |
| } |
| } |
| Canvas_Delegate.native_restore(canvasPtr, true); |
| } |
| |
| public void draw(long canvasPtr, long filterPtr, int w, int h) { |
| // Traverse the tree in pre-order to draw. |
| drawGroupTree(mRootGroup, Matrix.IDENTITY_MATRIX, canvasPtr, w, h, filterPtr); |
| } |
| |
| private void drawPath(VGroup_Delegate VGroup, VPath_Delegate VPath, long canvasPtr, |
| int w, |
| int h, |
| long filterPtr) { |
| final float scaleX = w / mViewportWidth; |
| final float scaleY = h / mViewportHeight; |
| final float minScale = Math.min(scaleX, scaleY); |
| final Matrix groupStackedMatrix = VGroup.mStackedMatrix; |
| |
| mFinalPathMatrix.set(groupStackedMatrix); |
| mFinalPathMatrix.postScale(scaleX, scaleY); |
| |
| final float matrixScale = getMatrixScale(groupStackedMatrix); |
| if (matrixScale == 0) { |
| // When either x or y is scaled to 0, we don't need to draw anything. |
| return; |
| } |
| VPath.toPath(mPath); |
| final Path path = mPath; |
| |
| mRenderPath.reset(); |
| |
| if (VPath.isClipPath()) { |
| mRenderPath.addPath(path, mFinalPathMatrix); |
| Canvas_Delegate.native_clipPath(canvasPtr, mRenderPath.mNativePath, Op |
| .INTERSECT.nativeInt); |
| } else { |
| VFullPath_Delegate fullPath = (VFullPath_Delegate) VPath; |
| if (fullPath.mTrimPathStart != 0.0f || fullPath.mTrimPathEnd != 1.0f) { |
| float start = (fullPath.mTrimPathStart + fullPath.mTrimPathOffset) % 1.0f; |
| float end = (fullPath.mTrimPathEnd + fullPath.mTrimPathOffset) % 1.0f; |
| |
| if (mPathMeasure == null) { |
| mPathMeasure = new PathMeasure(); |
| } |
| mPathMeasure.setPath(mPath, false); |
| |
| float len = mPathMeasure.getLength(); |
| start = start * len; |
| end = end * len; |
| path.reset(); |
| if (start > end) { |
| mPathMeasure.getSegment(start, len, path, true); |
| mPathMeasure.getSegment(0f, end, path, true); |
| } else { |
| mPathMeasure.getSegment(start, end, path, true); |
| } |
| path.rLineTo(0, 0); // fix bug in measure |
| } |
| mRenderPath.addPath(path, mFinalPathMatrix); |
| |
| if (fullPath.mFillColor != Color.TRANSPARENT) { |
| if (mFillPaint == null) { |
| mFillPaint = new Paint(); |
| mFillPaint.setStyle(Style.FILL); |
| mFillPaint.setAntiAlias(true); |
| } |
| |
| final Paint fillPaint = mFillPaint; |
| fillPaint.setColor(applyAlpha(fullPath.mFillColor, fullPath.mFillAlpha)); |
| Paint_Delegate fillPaintDelegate = Paint_Delegate.getDelegate(fillPaint |
| .getNativeInstance()); |
| // mFillPaint can not be null at this point so we will have a delegate |
| assert fillPaintDelegate != null; |
| fillPaintDelegate.setColorFilter(filterPtr); |
| fillPaintDelegate.setShader(fullPath.mFillGradient); |
| Canvas_Delegate.native_drawPath(canvasPtr, mRenderPath.mNativePath, fillPaint |
| .getNativeInstance()); |
| } |
| |
| if (fullPath.mStrokeColor != Color.TRANSPARENT) { |
| if (mStrokePaint == null) { |
| mStrokePaint = new Paint(); |
| mStrokePaint.setStyle(Style.STROKE); |
| mStrokePaint.setAntiAlias(true); |
| } |
| |
| final Paint strokePaint = mStrokePaint; |
| if (fullPath.mStrokeLineJoin != null) { |
| strokePaint.setStrokeJoin(fullPath.mStrokeLineJoin); |
| } |
| |
| if (fullPath.mStrokeLineCap != null) { |
| strokePaint.setStrokeCap(fullPath.mStrokeLineCap); |
| } |
| |
| strokePaint.setStrokeMiter(fullPath.mStrokeMiterlimit); |
| strokePaint.setColor(applyAlpha(fullPath.mStrokeColor, fullPath.mStrokeAlpha)); |
| Paint_Delegate strokePaintDelegate = Paint_Delegate.getDelegate(strokePaint |
| .getNativeInstance()); |
| // mStrokePaint can not be null at this point so we will have a delegate |
| assert strokePaintDelegate != null; |
| strokePaintDelegate.setColorFilter(filterPtr); |
| final float finalStrokeScale = minScale * matrixScale; |
| strokePaint.setStrokeWidth(fullPath.mStrokeWidth * finalStrokeScale); |
| strokePaintDelegate.setShader(fullPath.mStrokeGradient); |
| Canvas_Delegate.native_drawPath(canvasPtr, mRenderPath.mNativePath, strokePaint |
| .getNativeInstance()); |
| } |
| } |
| } |
| |
| private float getMatrixScale(Matrix groupStackedMatrix) { |
| // Given unit vectors A = (0, 1) and B = (1, 0). |
| // After matrix mapping, we got A' and B'. Let theta = the angel b/t A' and B'. |
| // Therefore, the final scale we want is min(|A'| * sin(theta), |B'| * sin(theta)), |
| // which is (|A'| * |B'| * sin(theta)) / max (|A'|, |B'|); |
| // If max (|A'|, |B'|) = 0, that means either x or y has a scale of 0. |
| // |
| // For non-skew case, which is most of the cases, matrix scale is computing exactly the |
| // scale on x and y axis, and take the minimal of these two. |
| // For skew case, an unit square will mapped to a parallelogram. And this function will |
| // return the minimal height of the 2 bases. |
| float[] unitVectors = new float[]{0, 1, 1, 0}; |
| groupStackedMatrix.mapVectors(unitVectors); |
| float scaleX = MathUtils.mag(unitVectors[0], unitVectors[1]); |
| float scaleY = MathUtils.mag(unitVectors[2], unitVectors[3]); |
| float crossProduct = MathUtils.cross(unitVectors[0], unitVectors[1], |
| unitVectors[2], unitVectors[3]); |
| float maxScale = MathUtils.max(scaleX, scaleY); |
| |
| float matrixScale = 0; |
| if (maxScale > 0) { |
| matrixScale = MathUtils.abs(crossProduct) / maxScale; |
| } |
| if (DBG_VECTOR_DRAWABLE) { |
| Log.d(LOGTAG, "Scale x " + scaleX + " y " + scaleY + " final " + matrixScale); |
| } |
| return matrixScale; |
| } |
| |
| @Override |
| public void setName(String name) { |
| } |
| } |
| } |