| /* |
| * 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. |
| */ |
| |
| package android.graphics.drawable.cts; |
| |
| import org.xmlpull.v1.XmlPullParser; |
| import org.xmlpull.v1.XmlPullParserException; |
| |
| import android.content.res.Resources; |
| import android.content.res.Resources.Theme; |
| import android.content.res.XmlResourceParser; |
| import android.graphics.Bitmap; |
| import android.graphics.BitmapFactory; |
| import android.graphics.Canvas; |
| import android.graphics.Color; |
| import android.graphics.PixelFormat; |
| import android.graphics.PorterDuff.Mode; |
| import android.graphics.PorterDuffColorFilter; |
| import android.graphics.cts.R; |
| import android.graphics.drawable.Drawable.ConstantState; |
| import android.graphics.drawable.VectorDrawable; |
| import android.test.AndroidTestCase; |
| import android.test.suitebuilder.annotation.MediumTest; |
| import android.test.suitebuilder.annotation.SmallTest; |
| import android.util.AttributeSet; |
| import android.util.Log; |
| import android.util.Xml; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| |
| public class VectorDrawableTest extends AndroidTestCase { |
| private static final String LOGTAG = "VectorDrawableTest"; |
| |
| private static final int[] ICON_RES_IDS = new int[] { |
| R.drawable.vector_icon_create, |
| R.drawable.vector_icon_delete, |
| R.drawable.vector_icon_heart, |
| R.drawable.vector_icon_schedule, |
| R.drawable.vector_icon_settings, |
| R.drawable.vector_icon_random_path_1, |
| R.drawable.vector_icon_random_path_2, |
| R.drawable.vector_icon_repeated_cq, |
| R.drawable.vector_icon_repeated_st, |
| R.drawable.vector_icon_repeated_a_1, |
| R.drawable.vector_icon_repeated_a_2, |
| R.drawable.vector_icon_clip_path_1, |
| R.drawable.vector_icon_transformation_1, |
| R.drawable.vector_icon_transformation_2, |
| R.drawable.vector_icon_transformation_3, |
| R.drawable.vector_icon_transformation_4, |
| R.drawable.vector_icon_transformation_5, |
| R.drawable.vector_icon_transformation_6, |
| R.drawable.vector_icon_render_order_1, |
| R.drawable.vector_icon_render_order_2, |
| R.drawable.vector_icon_stroke_1, |
| R.drawable.vector_icon_stroke_2, |
| R.drawable.vector_icon_stroke_3, |
| R.drawable.vector_icon_scale_1, |
| R.drawable.vector_icon_scale_2, |
| R.drawable.vector_icon_implicit_lineto, |
| R.drawable.vector_icon_arcto, |
| }; |
| |
| private static final int[] GOLDEN_IMAGES = new int[] { |
| R.drawable.vector_icon_create_golden, |
| R.drawable.vector_icon_delete_golden, |
| R.drawable.vector_icon_heart_golden, |
| R.drawable.vector_icon_schedule_golden, |
| R.drawable.vector_icon_settings_golden, |
| R.drawable.vector_icon_random_path_1_golden, |
| R.drawable.vector_icon_random_path_2_golden, |
| R.drawable.vector_icon_repeated_cq_golden, |
| R.drawable.vector_icon_repeated_st_golden, |
| R.drawable.vector_icon_repeated_a_1_golden, |
| R.drawable.vector_icon_repeated_a_2_golden, |
| R.drawable.vector_icon_clip_path_1_golden, |
| R.drawable.vector_icon_transformation_1_golden, |
| R.drawable.vector_icon_transformation_2_golden, |
| R.drawable.vector_icon_transformation_3_golden, |
| R.drawable.vector_icon_transformation_4_golden, |
| R.drawable.vector_icon_transformation_5_golden, |
| R.drawable.vector_icon_transformation_6_golden, |
| R.drawable.vector_icon_render_order_1_golden, |
| R.drawable.vector_icon_render_order_2_golden, |
| R.drawable.vector_icon_stroke_1_golden, |
| R.drawable.vector_icon_stroke_2_golden, |
| R.drawable.vector_icon_stroke_3_golden, |
| R.drawable.vector_icon_scale_1_golden, |
| R.drawable.vector_icon_scale_2_golden, |
| R.drawable.vector_icon_implicit_lineto_golden, |
| R.drawable.vector_icon_arcto_golden, |
| }; |
| |
| private static final int[] GRADIENT_ICON_RES_IDS = new int[] { |
| R.drawable.vector_icon_gradient_1, |
| R.drawable.vector_icon_gradient_2, |
| R.drawable.vector_icon_gradient_3, |
| }; |
| |
| private static final int[] GRADIENT_GOLDEN_IMAGES = new int[] { |
| R.drawable.vector_icon_gradient_1_golden, |
| R.drawable.vector_icon_gradient_2_golden, |
| R.drawable.vector_icon_gradient_3_golden, |
| }; |
| |
| private static final int[] STATEFUL_RES_IDS = new int[] { |
| R.drawable.vector_icon_state_list |
| }; |
| |
| private static final int[][] STATEFUL_GOLDEN_IMAGES = new int[][] { |
| { R.drawable.vector_icon_state_list_golden }, |
| { R.drawable.vector_icon_state_list_golden_pressed } |
| }; |
| |
| private static final int[][] STATEFUL_STATE_SETS = new int[][] { |
| {}, |
| { android.R.attr.state_pressed } |
| }; |
| |
| private static final int IMAGE_WIDTH = 64; |
| private static final int IMAGE_HEIGHT = 64; |
| // A small value is actually making sure that the values are matching |
| // exactly with the golden image. |
| // We can increase the threshold if the Skia is drawing with some variance |
| // on different devices. So far, the tests show they are matching correctly. |
| private static final float PIXEL_ERROR_THRESHOLD = 0.03f; |
| private static final float PIXEL_ERROR_COUNT_THRESHOLD = 0.005f; |
| |
| private static final boolean DBG_DUMP_PNG = false; |
| |
| private Resources mResources; |
| private VectorDrawable mVectorDrawable; |
| private Bitmap mBitmap; |
| private Canvas mCanvas; |
| |
| @Override |
| protected void setUp() throws Exception { |
| super.setUp(); |
| final int width = IMAGE_WIDTH; |
| final int height = IMAGE_HEIGHT; |
| |
| mBitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); |
| mCanvas = new Canvas(mBitmap); |
| mVectorDrawable = new VectorDrawable(); |
| mVectorDrawable.setBounds(0, 0, width, height); |
| |
| mResources = mContext.getResources(); |
| } |
| |
| @MediumTest |
| public void testSimpleVectorDrawables() throws XmlPullParserException, IOException { |
| verifyVectorDrawables(ICON_RES_IDS, GOLDEN_IMAGES, null); |
| } |
| |
| @MediumTest |
| public void testVectorDrawableGradient() throws XmlPullParserException, IOException { |
| verifyVectorDrawables(GRADIENT_ICON_RES_IDS, GRADIENT_GOLDEN_IMAGES, null); |
| } |
| |
| @MediumTest |
| public void testColorStateList() throws XmlPullParserException, IOException { |
| for (int i = 0; i < STATEFUL_STATE_SETS.length; i++) { |
| verifyVectorDrawables( |
| STATEFUL_RES_IDS, STATEFUL_GOLDEN_IMAGES[i], STATEFUL_STATE_SETS[i]); |
| } |
| } |
| |
| private void verifyVectorDrawables(int[] resIds, int[] goldenImages, int[] stateSet) |
| throws XmlPullParserException, IOException { |
| for (int i = 0; i < resIds.length; i++) { |
| // Setup VectorDrawable from xml file and draw into the bitmap. |
| XmlPullParser parser = mResources.getXml(resIds[i]); |
| AttributeSet attrs = Xml.asAttributeSet(parser); |
| |
| int type; |
| while ((type=parser.next()) != XmlPullParser.START_TAG |
| && type != XmlPullParser.END_DOCUMENT) { |
| // Empty loop |
| } |
| |
| if (type != XmlPullParser.START_TAG) { |
| throw new XmlPullParserException("No start tag found"); |
| } |
| |
| Theme theme = mResources.newTheme(); |
| theme.applyStyle(R.style.Theme_ThemedDrawableTest, true); |
| mVectorDrawable.inflate(mResources, parser, attrs, theme); |
| |
| if (stateSet != null) { |
| mVectorDrawable.setState(stateSet); |
| } |
| |
| mBitmap.eraseColor(0); |
| mVectorDrawable.draw(mCanvas); |
| |
| if (DBG_DUMP_PNG) { |
| saveVectorDrawableIntoPNG(mBitmap, resIds, i, stateSet); |
| } else { |
| // Start to compare |
| Bitmap golden = BitmapFactory.decodeResource(mResources, goldenImages[i]); |
| DrawableTestUtils.compareImages(mResources.getString(resIds[i]), mBitmap, golden, |
| VectorDrawableTest.PIXEL_ERROR_THRESHOLD, |
| VectorDrawableTest.PIXEL_ERROR_COUNT_THRESHOLD); |
| } |
| } |
| } |
| |
| // This is only for debugging or golden image (re)generation purpose. |
| private void saveVectorDrawableIntoPNG(Bitmap bitmap, int[] resIds, int index, int[] stateSet) |
| throws IOException { |
| // Save the image to the disk. |
| FileOutputStream out = null; |
| try { |
| String outputFolder = "/sdcard/temp/"; |
| File folder = new File(outputFolder); |
| if (!folder.exists()) { |
| folder.mkdir(); |
| } |
| String originalFilePath = mResources.getString(resIds[index]); |
| File originalFile = new File(originalFilePath); |
| String fileFullName = originalFile.getName(); |
| String fileTitle = fileFullName.substring(0, fileFullName.lastIndexOf(".")); |
| String stateSetTitle = getTitleForStateSet(stateSet); |
| String outputFilename = outputFolder + fileTitle + "_golden" + stateSetTitle + ".png"; |
| File outputFile = new File(outputFilename); |
| if (!outputFile.exists()) { |
| outputFile.createNewFile(); |
| } |
| |
| out = new FileOutputStream(outputFile, false); |
| bitmap.compress(Bitmap.CompressFormat.PNG, 100, out); |
| Log.v(LOGTAG, "Write test No." + index + " to file successfully."); |
| } catch (Exception e) { |
| e.printStackTrace(); |
| } finally { |
| if (out != null) { |
| out.close(); |
| } |
| } |
| } |
| |
| /** |
| * Generates an underline-delimited list of states in a given state set. |
| * <p> |
| * For example, the array {@code {R.attr.state_pressed}} would return |
| * {@code "_pressed"}. |
| * |
| * @param stateSet a state set |
| * @return a string representing the state set, or the empty string if the |
| * state set is empty or {@code null} |
| */ |
| private String getTitleForStateSet(int[] stateSet) { |
| if (stateSet == null || stateSet.length == 0) { |
| return ""; |
| } |
| |
| final Resources res = getContext().getResources(); |
| final StringBuilder builder = new StringBuilder(); |
| for (int i = 0; i < stateSet.length; i++) { |
| builder.append('_'); |
| |
| final String state = res.getResourceName(stateSet[i]); |
| final int stateIndex = state.indexOf("state_"); |
| if (stateIndex >= 0) { |
| builder.append(state.substring(stateIndex + 6)); |
| } else { |
| builder.append(stateSet[i]); |
| } |
| } |
| |
| return builder.toString(); |
| } |
| |
| @SmallTest |
| public void testGetChangingConfigurations() { |
| VectorDrawable vectorDrawable = new VectorDrawable(); |
| ConstantState constantState = vectorDrawable.getConstantState(); |
| |
| // default |
| assertEquals(0, constantState.getChangingConfigurations()); |
| assertEquals(0, vectorDrawable.getChangingConfigurations()); |
| |
| // change the drawable's configuration does not affect the state's configuration |
| vectorDrawable.setChangingConfigurations(0xff); |
| assertEquals(0xff, vectorDrawable.getChangingConfigurations()); |
| assertEquals(0, constantState.getChangingConfigurations()); |
| |
| // the state's configuration get refreshed |
| constantState = vectorDrawable.getConstantState(); |
| assertEquals(0xff, constantState.getChangingConfigurations()); |
| |
| // set a new configuration to drawable |
| vectorDrawable.setChangingConfigurations(0xff00); |
| assertEquals(0xff, constantState.getChangingConfigurations()); |
| assertEquals(0xffff, vectorDrawable.getChangingConfigurations()); |
| } |
| |
| @SmallTest |
| public void testGetConstantState() { |
| VectorDrawable vectorDrawable = new VectorDrawable(); |
| ConstantState constantState = vectorDrawable.getConstantState(); |
| assertNotNull(constantState); |
| assertEquals(0, constantState.getChangingConfigurations()); |
| |
| vectorDrawable.setChangingConfigurations(1); |
| constantState = vectorDrawable.getConstantState(); |
| assertNotNull(constantState); |
| assertEquals(1, constantState.getChangingConfigurations()); |
| } |
| |
| @SmallTest |
| public void testMutate() { |
| Resources resources = mContext.getResources(); |
| // d1 will be mutated, while d2 / d3 will not. |
| VectorDrawable d1 = (VectorDrawable) resources.getDrawable(R.drawable.vector_icon_create); |
| VectorDrawable d2 = (VectorDrawable) resources.getDrawable(R.drawable.vector_icon_create); |
| VectorDrawable d3 = (VectorDrawable) resources.getDrawable(R.drawable.vector_icon_create); |
| int originalAlpha = d2.getAlpha(); |
| |
| d1.setAlpha(0x80); |
| assertEquals(0x80, d1.getAlpha()); |
| assertEquals(0x80, d2.getAlpha()); |
| assertEquals(0x80, d3.getAlpha()); |
| |
| d1.mutate(); |
| d1.setAlpha(0x40); |
| assertEquals(0x40, d1.getAlpha()); |
| assertEquals(0x80, d2.getAlpha()); |
| assertEquals(0x80, d3.getAlpha()); |
| |
| d2.setAlpha(0x20); |
| assertEquals(0x40, d1.getAlpha()); |
| assertEquals(0x20, d2.getAlpha()); |
| assertEquals(0x20, d3.getAlpha()); |
| |
| d2.setAlpha(originalAlpha); |
| } |
| |
| @SmallTest |
| public void testColorFilter() { |
| PorterDuffColorFilter filter = new PorterDuffColorFilter(Color.RED, Mode.SRC_IN); |
| VectorDrawable vectorDrawable = new VectorDrawable(); |
| vectorDrawable.setColorFilter(filter); |
| |
| assertEquals(filter, vectorDrawable.getColorFilter()); |
| } |
| |
| @SmallTest |
| public void testPreloadDensity() throws XmlPullParserException, IOException { |
| final Resources res = getContext().getResources(); |
| final int densityDpi = res.getConfiguration().densityDpi; |
| try { |
| testPreloadDensityInner(res, densityDpi); |
| } finally { |
| DrawableTestUtils.setResourcesDensity(res, densityDpi); |
| } |
| } |
| |
| @SmallTest |
| public void testGetOpacity () throws XmlPullParserException, IOException { |
| VectorDrawable vectorDrawable = new VectorDrawable(); |
| |
| assertEquals("Default alpha should be 255", 255, vectorDrawable.getAlpha()); |
| assertEquals("Default opacity should be TRANSLUCENT", PixelFormat.TRANSLUCENT, |
| vectorDrawable.getOpacity()); |
| |
| vectorDrawable.setAlpha(0); |
| assertEquals("Alpha should be 0 now", 0, vectorDrawable.getAlpha()); |
| assertEquals("Opacity should be TRANSPARENT now", PixelFormat.TRANSPARENT, |
| vectorDrawable.getOpacity()); |
| } |
| |
| private void testPreloadDensityInner(Resources res, int densityDpi) |
| throws XmlPullParserException, IOException { |
| // Capture initial state at default density. |
| final XmlResourceParser parser = DrawableTestUtils.getResourceParser( |
| res, R.drawable.vector_density); |
| final VectorDrawable preloadedDrawable = new VectorDrawable(); |
| preloadedDrawable.inflate(mResources, parser, Xml.asAttributeSet(parser)); |
| final ConstantState preloadedConstantState = preloadedDrawable.getConstantState(); |
| final int origWidth = preloadedDrawable.getIntrinsicWidth(); |
| |
| // Set density to half of original. Unlike offsets, which are |
| // truncated, dimensions are rounded to the nearest pixel. |
| DrawableTestUtils.setResourcesDensity(res, densityDpi / 2); |
| final VectorDrawable halfDrawable = |
| (VectorDrawable) preloadedConstantState.newDrawable(res); |
| assertEquals(Math.round(origWidth / 2f), halfDrawable.getIntrinsicWidth()); |
| |
| // Set density to double original. |
| DrawableTestUtils.setResourcesDensity(res, densityDpi * 2); |
| final VectorDrawable doubleDrawable = |
| (VectorDrawable) preloadedConstantState.newDrawable(res); |
| assertEquals(origWidth * 2, doubleDrawable.getIntrinsicWidth()); |
| |
| // Restore original density. |
| DrawableTestUtils.setResourcesDensity(res, densityDpi); |
| final VectorDrawable origDrawable = |
| (VectorDrawable) preloadedConstantState.newDrawable(); |
| assertEquals(origWidth, origDrawable.getIntrinsicWidth()); |
| |
| // Ensure theme density is applied correctly. |
| final Theme t = res.newTheme(); |
| halfDrawable.applyTheme(t); |
| assertEquals(origWidth, halfDrawable.getIntrinsicWidth()); |
| doubleDrawable.applyTheme(t); |
| assertEquals(origWidth, doubleDrawable.getIntrinsicWidth()); |
| } |
| } |
