| /* |
| * Copyright (C) 2013 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 com.android.ide.eclipse.adt.internal.editors.draw9patch.graphics; |
| |
| import java.util.Arrays; |
| |
| import junit.framework.TestCase; |
| |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.ImageData; |
| import org.eclipse.swt.widgets.Display; |
| |
| public class GraphicsUtilitiesTest extends TestCase { |
| private static final int MASK_ALPHA = 0xFF000000; |
| |
| private static final String DIR = "/com/android/ide/eclipse/testdata/draw9patch/"; |
| |
| public void testConvertToNinePatchNull() throws Exception { |
| ImageData result = GraphicsUtilities.convertToNinePatch(null); |
| assertNull(result); |
| } |
| |
| public void testConvertToNinePatch() throws Exception { |
| String fileName = DIR + "no-patched.png"; |
| Image image = new Image(Display.getDefault(), |
| getClass().getResourceAsStream(fileName)); |
| ImageData baseData = image.getImageData(); |
| |
| ImageData result = GraphicsUtilities.convertToNinePatch(baseData); |
| |
| assertEquals(baseData.width + 2, result.width); |
| assertEquals(baseData.height + 2, result.height); |
| |
| // horizontal |
| for (int x = 0; x < result.width; x++) { |
| |
| // top row |
| assertEquals(0x0, result.getPixel(x, 0) & MASK_ALPHA); |
| |
| // bottom row |
| assertEquals(0x0, result.getPixel(x, result.height - 1) & MASK_ALPHA); |
| } |
| |
| // vertical |
| for (int y = 0; y < result.height; y++) { |
| |
| // left column |
| assertEquals(0x0, result.getPixel(0, y) & MASK_ALPHA); |
| |
| // right column |
| assertEquals(0x0, result.getPixel(result.width - 1, y) & MASK_ALPHA); |
| } |
| } |
| |
| public void testClearImageDataNull() throws Exception { |
| try { |
| GraphicsUtilities.clearImageData(null); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| } |
| } |
| |
| public void testClearImageData() throws Exception { |
| String fileName = DIR + "no-patched.png"; |
| Image image = new Image(Display.getDefault(), |
| getClass().getResourceAsStream(fileName)); |
| |
| ImageData baseData = image.getImageData(); |
| GraphicsUtilities.clearImageData(baseData); |
| for (int y = 0; y < baseData.height; y++) { |
| for (int x = 0; x < baseData.width; x++) { |
| assertEquals(0x000000, baseData.getPixel(x, y)); |
| assertEquals(0x00, baseData.getAlpha(x, y)); |
| } |
| } |
| |
| } |
| |
| public void testCopyNull() throws Exception { |
| ImageData result = GraphicsUtilities.copy(null); |
| assertNull(result); |
| } |
| |
| public void testCopy() throws Exception { |
| String fileName = DIR + "no-patched.png"; |
| Image image = new Image(Display.getDefault(), |
| getClass().getResourceAsStream(fileName)); |
| |
| ImageData baseData = image.getImageData(); |
| ImageData copiedData = GraphicsUtilities.copy(baseData); |
| |
| assertEquals(baseData.width, copiedData.width); |
| assertEquals(baseData.height, copiedData.height); |
| assertEquals(baseData.depth, copiedData.depth); |
| assertEquals(baseData.transparentPixel, copiedData.transparentPixel); |
| assertEquals(baseData.alpha, copiedData.alpha); |
| assertTrue(baseData.palette.equals(copiedData.palette)); |
| |
| final int[] baseColors = new int[baseData.width]; |
| final byte[] baseAlpha = new byte[baseData.width]; |
| |
| final int[] copiedColors = new int[copiedData.width]; |
| final byte[] copiedAlpha = new byte[copiedData.width]; |
| |
| for (int y = 0; y < baseData.height; y++) { |
| |
| baseData.getPixels(0, y, baseData.width, baseColors, 0); |
| baseData.getPixels(0, y, baseData.width, copiedColors, 0); |
| assertTrue(Arrays.equals(baseColors, copiedColors)); |
| |
| baseData.getAlphas(0, y, baseData.width, baseAlpha, 0); |
| baseData.getAlphas(0, y, baseData.width, copiedAlpha, 0); |
| assertTrue(Arrays.equals(baseAlpha, copiedAlpha)); |
| |
| } |
| } |
| |
| public void testGetVerticalPixelsIllegalArgument() throws Exception { |
| String fileName = DIR + "no-patched.png"; |
| Image image = new Image(Display.getDefault(), |
| getClass().getResourceAsStream(fileName)); |
| |
| ImageData baseData = image.getImageData(); |
| int[] temp = new int[baseData.width]; |
| |
| // data must not be null |
| try { |
| GraphicsUtilities.getVerticalPixels(null, 0, 0, 1, temp); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| } |
| |
| // out must not be null |
| try { |
| GraphicsUtilities.getVerticalPixels(baseData, 0, 0, 1, null); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| } |
| |
| // out length must be > height |
| try { |
| GraphicsUtilities.getVerticalPixels(baseData, 0, 0, 1, new int[0]); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| } |
| |
| // x must be > 0 |
| try { |
| GraphicsUtilities.getVerticalPixels(baseData, -1, 0, 1, temp); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| } |
| |
| // y must be > 0 |
| try { |
| GraphicsUtilities.getVerticalPixels(baseData, 0, -1, 1, temp); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| } |
| |
| // height must be >= 0 |
| try { |
| GraphicsUtilities.getVerticalPixels(baseData, 0, 0, 0, temp); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| } |
| |
| // argument x must be < data.width |
| try { |
| GraphicsUtilities.getVerticalPixels(baseData, baseData.width, 0, baseData.height, temp); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| } |
| |
| // argument y must be < data.height |
| try { |
| GraphicsUtilities |
| .getVerticalPixels(baseData, 0, baseData.height, baseData.height, temp); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| } |
| |
| // argument height must be > (y + data.height) |
| try { |
| GraphicsUtilities.getVerticalPixels(baseData, 0, 1, baseData.height, temp); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| } |
| |
| } |
| |
| public void testGetVerticalPixels() throws Exception { |
| String fileName = DIR + "no-patched.png"; |
| Image image = new Image(Display.getDefault(), |
| getClass().getResourceAsStream(fileName)); |
| |
| ImageData baseData = image.getImageData(); |
| int[] temp = new int[baseData.width]; |
| |
| GraphicsUtilities.getVerticalPixels(baseData, 0, 0, baseData.height, temp); |
| |
| int height = baseData.height; |
| for (int y = 0; y < height; y++) { |
| assertEquals(baseData.getPixel(0, y), temp[y]); |
| } |
| } |
| |
| public void testGetHorizontalPixelsIllegalArgument() throws Exception { |
| String fileName = DIR + "no-patched.png"; |
| Image image = new Image(Display.getDefault(), |
| getClass().getResourceAsStream(fileName)); |
| |
| ImageData baseData = image.getImageData(); |
| int[] temp = new int[baseData.width]; |
| |
| // data must not be null |
| try { |
| GraphicsUtilities.getHorizontalPixels(null, 0, 0, 1, temp); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| } |
| |
| // out must not be null |
| try { |
| GraphicsUtilities.getHorizontalPixels(baseData, 0, 0, 1, null); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| } |
| |
| // out length must be > width |
| try { |
| GraphicsUtilities.getHorizontalPixels(baseData, 0, 0, 1, new int[0]); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| } |
| |
| // x must be > 0 |
| try { |
| GraphicsUtilities.getHorizontalPixels(baseData, -1, 0, 1, temp); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| } |
| |
| // y must be > 0 |
| try { |
| GraphicsUtilities.getHorizontalPixels(baseData, 0, -1, 1, temp); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| } |
| |
| // width must be >= 0 |
| try { |
| GraphicsUtilities.getHorizontalPixels(baseData, 0, 0, 0, temp); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| } |
| |
| // argument x must be < data.width |
| try { |
| GraphicsUtilities |
| .getHorizontalPixels(baseData, baseData.width, 0, baseData.width, temp); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| } |
| |
| // argument y must be < data.height |
| try { |
| GraphicsUtilities |
| .getHorizontalPixels(baseData, 0, baseData.height, baseData.width, temp); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| } |
| |
| // argument width must be > (x + data.width) |
| try { |
| GraphicsUtilities.getHorizontalPixels(baseData, 1, 0, baseData.width, temp); |
| fail(); |
| } catch (IllegalArgumentException e) { |
| } |
| |
| } |
| |
| public void testGetHorizontalPixels() throws Exception { |
| String fileName = DIR + "no-patched.png"; |
| Image image = new Image(Display.getDefault(), |
| getClass().getResourceAsStream(fileName)); |
| |
| ImageData baseData = image.getImageData(); |
| int[] temp = new int[baseData.width]; |
| |
| GraphicsUtilities.getHorizontalPixels(baseData, 0, 0, baseData.width, temp); |
| |
| int width = baseData.width; |
| for (int x = 0; x < width; x++) { |
| assertEquals(baseData.getPixel(x, 0), temp[x]); |
| } |
| } |
| |
| } |