| /******************************************************************************* |
| * Copyright (c) 2000, 2018 IBM Corporation and others. |
| * |
| * This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License 2.0 |
| * which accompanies this distribution, and is available at |
| * https://www.eclipse.org/legal/epl-2.0/ |
| * |
| * SPDX-License-Identifier: EPL-2.0 |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| * Red Hat Inc. - Bug 462631 |
| *******************************************************************************/ |
| package org.eclipse.swt.tests.junit; |
| |
| |
| import static org.eclipse.swt.tests.junit.SwtTestUtil.assertSWTProblem; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNotNull; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.junit.Assert.fail; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.io.InputStream; |
| import java.net.URL; |
| |
| import org.eclipse.swt.SWT; |
| import org.eclipse.swt.SWTException; |
| import org.eclipse.swt.graphics.Color; |
| import org.eclipse.swt.graphics.GC; |
| import org.eclipse.swt.graphics.Image; |
| import org.eclipse.swt.graphics.ImageData; |
| import org.eclipse.swt.graphics.ImageDataProvider; |
| import org.eclipse.swt.graphics.ImageFileNameProvider; |
| import org.eclipse.swt.graphics.PaletteData; |
| import org.eclipse.swt.graphics.RGB; |
| import org.eclipse.swt.graphics.Rectangle; |
| import org.eclipse.swt.internal.DPIUtil; |
| import org.eclipse.swt.widgets.Display; |
| import org.junit.Before; |
| import org.junit.Test; |
| |
| /** |
| * Automated Test Suite for class org.eclipse.swt.graphics.Image |
| * |
| * @see org.eclipse.swt.graphics.Image |
| */ |
| public class Test_org_eclipse_swt_graphics_Image { |
| ImageFileNameProvider imageFileNameProvider = zoom -> { |
| String fileName; |
| switch (zoom) { |
| case 100: |
| fileName = "collapseall.png"; |
| break; |
| case 150: |
| fileName = "collapseall@1.5x.png"; |
| break; |
| case 200: |
| fileName = "collapseall@2x.png"; |
| break; |
| default: |
| return null; |
| } |
| return getPath(fileName); |
| }; |
| ImageDataProvider imageDataProvider = zoom -> { |
| String fileName; |
| switch (zoom) { |
| case 100: |
| fileName = "collapseall.png"; |
| break; |
| case 150: |
| fileName = "collapseall@1.5x.png"; |
| break; |
| case 200: |
| fileName = "collapseall@2x.png"; |
| break; |
| default: |
| return null; |
| } |
| return new ImageData(getPath(fileName)); |
| }; |
| @Before |
| public void setUp() { |
| display = Display.getDefault(); |
| } |
| |
| @Test |
| public void test_ConstructorLorg_eclipse_swt_graphics_DeviceII() { |
| Image image; |
| try { |
| image = new Image(display, -1, 10); |
| image.dispose(); |
| fail("No exception thrown for width <= 0"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for width <= 0", SWT.ERROR_INVALID_ARGUMENT, e); |
| } |
| |
| try { |
| image = new Image(display, 0, 10); |
| image.dispose(); |
| fail("No exception thrown for width <= 0"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for width <= 0", SWT.ERROR_INVALID_ARGUMENT, e); |
| } |
| |
| try { |
| image = new Image(display, 10, -20); |
| image.dispose(); |
| fail("No exception thrown for height <= 0"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for height <= 0", SWT.ERROR_INVALID_ARGUMENT, e); |
| } |
| |
| try { |
| image = new Image(display, 10, 0); |
| image.dispose(); |
| fail("No exception thrown for height <= 0"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for height <= 0", SWT.ERROR_INVALID_ARGUMENT, e); |
| } |
| |
| image = new Image(null, 10, 10); |
| image.dispose(); |
| |
| image = new Image(display, 10, 10); |
| image.dispose(); |
| |
| } |
| |
| @Test |
| public void test_ConstructorLorg_eclipse_swt_graphics_DeviceLorg_eclipse_swt_graphics_Rectangle() { |
| Image image; |
| Rectangle bounds = null; |
| |
| try { |
| image = new Image(display, bounds); |
| image.dispose(); |
| fail("No exception thrown for rectangle == null"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for rectangle == null", SWT.ERROR_NULL_ARGUMENT, e); |
| } |
| |
| bounds = new Rectangle(0, 0, -1, 10); |
| try { |
| image = new Image(display, bounds); |
| image.dispose(); |
| fail("No exception thrown for width < 0"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for width < 0", SWT.ERROR_INVALID_ARGUMENT, e); |
| } |
| |
| bounds = new Rectangle(0, 0, 0, 10); |
| try { |
| image = new Image(display, bounds); |
| image.dispose(); |
| fail("No exception thrown for width == 0"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for width == 0", SWT.ERROR_INVALID_ARGUMENT, e); |
| } |
| |
| bounds = new Rectangle(0, 0, 10, -1); |
| try { |
| image = new Image(display, bounds); |
| image.dispose(); |
| fail("No exception thrown for height < 0"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for height < 0", SWT.ERROR_INVALID_ARGUMENT, e); |
| } |
| |
| bounds = new Rectangle(0, 0, 10, 0); |
| try { |
| image = new Image(display, bounds); |
| image.dispose(); |
| fail("No exception thrown for height == 0"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for height == 0", SWT.ERROR_INVALID_ARGUMENT, e); |
| } |
| |
| // valid images |
| bounds = new Rectangle(-1, -10, 10, 10); |
| image = new Image(display, bounds); |
| image.dispose(); |
| |
| bounds = new Rectangle(0, 0, 10, 10); |
| image = new Image(null, bounds); |
| image.dispose(); |
| |
| image = new Image(display, bounds); |
| image.dispose(); |
| } |
| |
| @Test |
| public void test_ConstructorLorg_eclipse_swt_graphics_DeviceLorg_eclipse_swt_graphics_ImageData() { |
| ImageData data = null; |
| Image image = null; |
| |
| try { |
| image = new Image(display, data); |
| image.dispose(); |
| fail("No exception thrown for ImageData == null"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for ImageData == null", SWT.ERROR_NULL_ARGUMENT, e); |
| } |
| |
| // Platform-specific test. |
| // data = new ImageData(10, 10, 1, new PaletteData(0xff0000, 0x00ff00, 0x0000ff)); |
| // try { |
| // image = new Image(display, data); |
| // image.dispose(); |
| // fail("Unsupported color depth"); |
| // } catch (SWTException e) { |
| // } |
| |
| data = new ImageData(10, 10, 1, new PaletteData(new RGB(0, 0, 0))); |
| image = new Image(null, data); |
| image.dispose(); |
| |
| data = new ImageData(10, 10, 1, new PaletteData(new RGB(0, 0, 0))); |
| image = new Image(display, data); |
| image.dispose(); |
| |
| data = new ImageData(10, 10, 8, new PaletteData(0x30, 0x0C, 0x03)); |
| // set red pixel at x=9, y=9 |
| data.setPixel(9, 9, 0x30); |
| image = new Image(display, data); |
| Image gcImage = new Image(display, 10, 10); |
| GC gc = new GC(gcImage); |
| gc.drawImage(image, 0, 0); |
| ImageData gcImageData = gcImage.getImageData(); |
| int redPixel = gcImageData.getPixel(9, 9); |
| assertEquals(":a:", getRealRGB(display.getSystemColor(SWT.COLOR_RED)), gcImageData.palette.getRGB(redPixel)); |
| gc.dispose(); |
| gcImage.dispose(); |
| image.dispose(); |
| } |
| |
| @Test |
| public void test_ConstructorLorg_eclipse_swt_graphics_DeviceLorg_eclipse_swt_graphics_ImageDataLorg_eclipse_swt_graphics_ImageData() { |
| ImageData data = null; |
| ImageData data1 = new ImageData(10, 10, 1, new PaletteData(new RGB(0, 0, 0))); |
| Image image = null; |
| |
| try { |
| image = new Image(display, data, data1); |
| image.dispose(); |
| fail("No exception thrown for ImageData source == null"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for ImageData source == null", SWT.ERROR_NULL_ARGUMENT, e); |
| } |
| |
| data = new ImageData(10, 10, 1, new PaletteData(new RGB(0, 0, 0))); |
| data1 = null; |
| try { |
| image = new Image(display, data, data1); |
| image.dispose(); |
| fail("No exception thrown for ImageData mask == null"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for ImageData mask == null", SWT.ERROR_NULL_ARGUMENT, e); |
| } |
| |
| data = new ImageData(10, 10, 1, new PaletteData(new RGB(0, 0, 0))); |
| data1 = new ImageData(1, 10, 1, new PaletteData(new RGB(0, 0, 0))); |
| try { |
| image = new Image(display, data, data1); |
| image.dispose(); |
| fail("No exception thrown for ImageData source width != ImageData mask width"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for ImageData source width != ImageData mask width", SWT.ERROR_INVALID_ARGUMENT, e); |
| } |
| |
| data = new ImageData(10, 1, 1, new PaletteData(new RGB(0, 0, 0))); |
| data1 = new ImageData(10, 10, 1, new PaletteData(new RGB(0, 0, 0))); |
| try { |
| image = new Image(display, data, data1); |
| image.dispose(); |
| fail("No exception thrown for ImageData source height != ImageData mask height"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for ImageData source height != ImageData mask height", SWT.ERROR_INVALID_ARGUMENT, e); |
| } |
| |
| data = new ImageData(10, 10, 8, new PaletteData(new RGB(0, 0, 0))); |
| data1 = new ImageData(10, 10, 8, new PaletteData(new RGB(0, 0, 0))); |
| image = new Image(display, data, data1); // Image now accepts masks where depth != 1 |
| image.dispose(); |
| |
| data = new ImageData(10, 10, 8, new PaletteData(0x30, 0x0C, 0x03)); |
| // set opaque red pixel at x=9, y=9 |
| data.setPixel(9, 9, 0x30); |
| data1 = new ImageData(10, 10, 1, new PaletteData(new RGB(0, 0, 0), new RGB(255, 255, 255))); |
| data1.setPixel(9, 9, 1); |
| image = new Image(display, data, data1); |
| Image gcImage = new Image(display, 10, 10); |
| GC gc = new GC(gcImage); |
| Color backgroundColor = display.getSystemColor(SWT.COLOR_BLUE); |
| gc.setBackground(backgroundColor); |
| gc.fillRectangle(0, 0, 10, 10); |
| gc.drawImage(image, 0, 0); |
| ImageData gcImageData = gcImage.getImageData(); |
| int redPixel = gcImageData.getPixel(9, 9); |
| assertEquals(":a:", getRealRGB(display.getSystemColor(SWT.COLOR_RED)), gcImageData.palette.getRGB(redPixel)); |
| int bluePixel = gcImageData.getPixel(0, 0); |
| assertEquals(":b:", getRealRGB(backgroundColor), gcImageData.palette.getRGB(bluePixel)); |
| gc.dispose(); |
| gcImage.dispose(); |
| image.dispose(); |
| } |
| |
| @Test |
| public void test_ConstructorLorg_eclipse_swt_graphics_DeviceLjava_io_InputStream() { |
| InputStream stream = null; |
| Image image = null; |
| try { |
| try { |
| image = new Image(display, stream); |
| image.dispose(); |
| fail("No exception thrown for InputStream == null"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for InputStream == null", SWT.ERROR_NULL_ARGUMENT, e); |
| } |
| |
| stream = SwtTestUtil.class.getResourceAsStream("empty.txt"); |
| try { |
| image = new Image(display, stream); |
| image.dispose(); |
| try { |
| stream.close(); |
| } catch (IOException e) {} |
| fail("No exception thrown for invalid InputStream"); |
| } catch (SWTException e) { |
| assertSWTProblem("Incorrect exception thrown for invalid InputStream", SWT.ERROR_UNSUPPORTED_FORMAT, e); |
| } |
| |
| int numFormats = SwtTestUtil.imageFormats.length; |
| String fileName = SwtTestUtil.invalidImageFilenames[0]; |
| Display[] displays = {display, null}; |
| for (int j = 0; j < displays.length; j++) { |
| // Display tempDisplay = displays[j]; |
| for (int i=0; i<numFormats; i++) { |
| String format = SwtTestUtil.imageFormats[i]; |
| stream = SwtTestUtil.class.getResourceAsStream(fileName + "." + format); |
| |
| try { |
| image = new Image(display, stream); |
| image.dispose(); |
| try { |
| stream.close(); |
| } catch (IOException e) {} |
| fail("No exception thrown for invalid InputStream"); |
| } catch (SWTException e) { |
| // Bug 70167 - Image(Device, InputStream) throws incorrect exception for bad PNG |
| // remove comment when bug is fixed. |
| // assertEquals("Incorrect exception thrown for invalid image InputStream", SWT.ERROR_INVALID_IMAGE, e); |
| } |
| } |
| } |
| |
| stream = SwtTestUtil.class.getResourceAsStream(SwtTestUtil.invalidImageFilenames[1]); |
| try { |
| image = new Image(display, stream); |
| image.dispose(); |
| try { |
| stream.close(); |
| } catch (IOException e) {} |
| fail("No exception thrown for invalid InputStream"); |
| } catch (SWTException e) { |
| assertSWTProblem("Incorrect exception thrown for invalid image InputStream", SWT.ERROR_INVALID_IMAGE, e); |
| } |
| |
| // create valid images |
| for (int j = 0; j < displays.length; j++) { |
| Display tempDisplay = displays[j]; |
| int numFileNames = SwtTestUtil.imageFilenames.length; |
| for (int k=0; k<numFileNames; k++) { |
| fileName = SwtTestUtil.imageFilenames[k]; |
| for (int i=0; i<numFormats; i++) { |
| String format = SwtTestUtil.imageFormats[i]; |
| stream = SwtTestUtil.class.getResourceAsStream(fileName + "." + format); |
| image = new Image(tempDisplay, stream); |
| image.dispose(); |
| try { |
| stream.close(); |
| } catch (IOException e) {} |
| } |
| } |
| } |
| } finally { |
| try { |
| stream.close(); |
| } catch (Exception e) { |
| } |
| } |
| } |
| |
| @Test |
| public void test_ConstructorLorg_eclipse_swt_graphics_DeviceLjava_lang_String() { |
| String fileName = null; |
| try { |
| Image image = new Image(display, fileName); |
| image.dispose(); |
| fail("No exception thrown for file name == null"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for file name == null", SWT.ERROR_NULL_ARGUMENT, e); |
| } |
| try { |
| String pathName = "nonexistent.txt"; |
| Image image = new Image(display, pathName); |
| image.dispose(); |
| fail("No exception thrown for non-existent file name"); |
| } catch (SWTException e) { |
| assertSWTProblem("Incorrect exception thrown for non-existent file name", SWT.ERROR_IO, e); |
| } |
| try { |
| String pathName = getPath("empty.txt"); |
| Image image = new Image(display, pathName); |
| image.dispose(); |
| fail("No exception thrown for invalid file name"); |
| } catch (SWTException e) { |
| assertSWTProblem("Incorrect exception thrown for invalid file name", SWT.ERROR_UNSUPPORTED_FORMAT, e); |
| } |
| |
| int numFormats = SwtTestUtil.imageFormats.length; |
| fileName = SwtTestUtil.invalidImageFilenames[0]; |
| Display[] displays = {display, null}; |
| for (int j = 0; j < displays.length; j++) { |
| // Display tempDisplay = displays[j]; |
| for (int i=0; i<numFormats; i++) { |
| String format = SwtTestUtil.imageFormats[i]; |
| |
| try { |
| String pathName = getPath(fileName + "." + format); |
| Image image = new Image(display, pathName); |
| image.dispose(); |
| fail("No exception thrown for invalid file name"); |
| } catch (SWTException e) { |
| // Bug 70167 - Image(Device, InputStream) throws incorrect exception for bad PNG |
| // remove comment when bug is fixed. |
| // assertEquals("Incorrect exception thrown for invalid image file name", SWT.ERROR_INVALID_IMAGE, e); |
| } |
| } |
| } |
| |
| try { |
| String pathName = getPath(SwtTestUtil.invalidImageFilenames[1]); |
| Image image = new Image(display, pathName); |
| image.dispose(); |
| fail("No exception thrown for invalid file name"); |
| } catch (SWTException e) { |
| assertSWTProblem("Incorrect exception thrown for invalid image file name", SWT.ERROR_INVALID_IMAGE, e); |
| } |
| |
| // create valid images |
| for (int j = 0; j < displays.length; j++) { |
| // Display tempDisplay = displays[j]; |
| int numFileNames = SwtTestUtil.imageFilenames.length; |
| for (int k=0; k<numFileNames; k++) { |
| fileName = SwtTestUtil.imageFilenames[k]; |
| for (int i=0; i<numFormats; i++) { |
| String format = SwtTestUtil.imageFormats[i]; |
| String pathName = getPath(fileName + "." + format); |
| Image image = new Image(display, pathName); |
| image.dispose(); |
| } |
| } |
| } |
| } |
| |
| @Test |
| public void test_ConstructorLorg_eclipse_swt_graphics_Device_ImageFileNameProvider() { |
| // Null provider |
| ImageFileNameProvider provider = null; |
| try { |
| Image image = new Image(display, provider); |
| image.dispose(); |
| fail("No exception thrown for file name == null"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for provider == null", SWT.ERROR_NULL_ARGUMENT, e); |
| } |
| // Invalid provider |
| provider = zoom -> null; |
| try { |
| Image image = new Image(display, provider); |
| image.dispose(); |
| fail("No exception thrown for non-existent file name"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for provider == null", SWT.ERROR_INVALID_ARGUMENT, e); |
| } |
| // Valid provider |
| Image image = new Image(display, imageFileNameProvider); |
| image.dispose(); |
| // Corrupt Image provider |
| provider = zoom -> { |
| String fileName; |
| switch (zoom) { |
| case 100: |
| fileName = "corrupt.png"; break; |
| case 150: |
| fileName = "corrupt.png"; break; |
| case 200: |
| fileName = "corrupt.png"; break; |
| default: |
| return null; |
| } |
| return getPath(fileName); |
| }; |
| try { |
| image = new Image(display, provider); |
| image.dispose(); |
| fail("No exception thrown for corrupt image file."); |
| } catch (SWTException e) { |
| assertSWTProblem("Incorrect exception thrown for provider with corrupt images", SWT.ERROR_INVALID_IMAGE, e); |
| } |
| // Valid provider only 100% zoom |
| provider = zoom -> { |
| String fileName; |
| switch (zoom) { |
| case 100: |
| fileName = "collapseall.png"; |
| break; |
| case 150: |
| case 200: |
| default: |
| return null; |
| } |
| return getPath(fileName); |
| }; |
| image = new Image(display, provider); |
| image.dispose(); |
| } |
| |
| @Test |
| public void test_ConstructorLorg_eclipse_swt_graphics_Device_ImageDataProvider() { |
| // Null provider |
| ImageDataProvider provider = null; |
| try { |
| Image image = new Image(display, provider); |
| image.dispose(); |
| fail("No exception thrown for file name == null"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for provider == null", SWT.ERROR_NULL_ARGUMENT, e); |
| } |
| // Invalid provider |
| provider = zoom -> null; |
| try { |
| Image image = new Image(display, provider); |
| image.dispose(); |
| fail("No exception thrown for non-existent file name"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for provider == null", SWT.ERROR_INVALID_ARGUMENT, e); |
| } |
| // Valid provider |
| Image image = new Image(display, imageDataProvider); |
| image.dispose(); |
| // Corrupt Image provider |
| provider = zoom -> { |
| String fileName; |
| switch (zoom) { |
| case 100: |
| fileName = "corrupt.png"; break; |
| case 150: |
| fileName = "corrupt.png"; break; |
| case 200: |
| fileName = "corrupt.png"; break; |
| default: |
| return null; |
| } |
| return new ImageData(getPath(fileName)); |
| }; |
| try { |
| image = new Image(display, provider); |
| image.dispose(); |
| fail("No exception thrown for corrupt image file."); |
| } catch (SWTException e) { |
| assertSWTProblem("Incorrect exception thrown for provider with corrupt images", SWT.ERROR_INVALID_IMAGE, e); |
| } |
| // Valid provider only 100% zoom |
| provider = zoom -> { |
| String fileName; |
| switch (zoom) { |
| case 100: |
| fileName = "collapseall.png"; |
| break; |
| case 150: |
| case 200: |
| default: |
| return null; |
| } |
| return new ImageData(getPath(fileName)); |
| }; |
| image = new Image(display, provider); |
| image.dispose(); |
| } |
| |
| @Test |
| public void test_equalsLjava_lang_Object() { |
| Image image = null; |
| Image image1 = null; |
| |
| try { |
| image = new Image(display, 10, 10); |
| image1 = image; |
| |
| assertFalse(":a:", image.equals(null)); |
| |
| assertTrue(":b:", image.equals(image1)); |
| |
| ImageData imageData = new ImageData(10, 10, 1, new PaletteData(new RGB(0, 0, 0))); |
| image.dispose(); |
| image = new Image(display, imageData); |
| image1 = new Image(display, imageData); |
| assertFalse(":c:", image.equals(image1)); |
| } finally { |
| image.dispose(); |
| image1.dispose(); |
| } |
| |
| // ImageFileNameProvider |
| try { |
| image = new Image(display, imageFileNameProvider); |
| image1 = image; |
| |
| assertFalse(":d:", image.equals(null)); |
| |
| assertTrue(":e:", image.equals(image1)); |
| |
| image1 = new Image(display, imageFileNameProvider); |
| assertTrue(":f:", image.equals(image1)); |
| } finally { |
| image.dispose(); |
| image1.dispose(); |
| } |
| try { |
| image = new Image(display, imageFileNameProvider); |
| image1 = image; |
| |
| assertFalse(":d:", image.equals(null)); |
| |
| assertTrue(":e:", image.equals(image1)); |
| |
| image1 = new Image(display, imageFileNameProvider); |
| assertTrue(":f:", image.equals(image1)); |
| } finally { |
| image.dispose(); |
| image1.dispose(); |
| } |
| |
| // ImageDataProvider |
| try { |
| image = new Image(display, imageDataProvider); |
| image1 = image; |
| |
| assertFalse(":g:", image.equals(null)); |
| |
| assertTrue(":h:", image.equals(image1)); |
| |
| image1 = new Image(display, imageDataProvider); |
| assertTrue(":i:", image.equals(image1)); |
| } finally { |
| image.dispose(); |
| image1.dispose(); |
| } |
| } |
| |
| @Test |
| public void test_getBackground() { |
| Image image = new Image(display, 10, 10); |
| image.dispose(); |
| try { |
| image.getBackground(); |
| fail("No exception thrown for disposed image"); |
| } catch (SWTException e) { |
| assertSWTProblem("Incorrect exception thrown for disposed image", SWT.ERROR_GRAPHIC_DISPOSED, e); |
| } |
| // remainder tested in setBackground method |
| } |
| |
| @Test |
| public void test_getBounds() { |
| Rectangle bounds = new Rectangle(0, 0, 10, 20); |
| Image image = new Image(display, bounds.width, bounds.height); |
| image.dispose(); |
| try { |
| image.getBounds(); |
| fail("No exception thrown for disposed image"); |
| } catch (SWTException e) { |
| assertSWTProblem("Incorrect exception thrown for disposed image", SWT.ERROR_GRAPHIC_DISPOSED, e); |
| } |
| |
| // creates bitmap image |
| image = new Image(display, bounds.width, bounds.height); |
| Rectangle bounds1 = image.getBounds(); |
| image.dispose(); |
| assertEquals(":a:", bounds, bounds1); |
| |
| image = new Image(display, bounds); |
| bounds1 = image.getBounds(); |
| image.dispose(); |
| assertEquals(":b:", bounds, bounds1); |
| |
| // create icon image |
| ImageData imageData = new ImageData(bounds.width, bounds.height, 1, new PaletteData(new RGB(0, 0, 0))); |
| image = new Image(display, imageData); |
| bounds1 = image.getBounds(); |
| image.dispose(); |
| assertEquals(":c:", bounds, bounds1); |
| } |
| |
| @SuppressWarnings("deprecation") |
| @Test |
| public void test_getBoundsInPixels() { |
| Rectangle bounds = new Rectangle(0, 0, 10, 20); |
| Image image = new Image(display, bounds.width, bounds.height); |
| image.dispose(); |
| try { |
| image.getBoundsInPixels(); |
| fail("No exception thrown for disposed image"); |
| } catch (SWTException e) { |
| assertSWTProblem("Incorrect exception thrown for disposed image", SWT.ERROR_GRAPHIC_DISPOSED, e); |
| } |
| |
| // creates bitmap image |
| image = new Image(display, bounds.width, bounds.height); |
| Rectangle boundsInPixels = image.getBoundsInPixels(); |
| image.dispose(); |
| assertEquals(":a: Image.getBoundsInPixels method doesn't return bounds in Pixel values.", boundsInPixels, DPIUtil.autoScaleUp(bounds)); |
| |
| // create icon image |
| ImageData imageData = new ImageData(bounds.width, bounds.height, 1, new PaletteData(new RGB[] {new RGB(0, 0, 0)})); |
| image = new Image(display, imageData); |
| boundsInPixels = image.getBoundsInPixels(); |
| image.dispose(); |
| assertEquals(":b: Image.getBoundsInPixels method doesn't return bounds in Pixel values.", boundsInPixels, DPIUtil.autoScaleUp(bounds)); |
| |
| // create image with FileNameProvider |
| image = new Image(display, imageFileNameProvider); |
| boundsInPixels = image.getBoundsInPixels(); |
| bounds = image.getBounds(); |
| image.dispose(); |
| assertEquals(":c: Image.getBoundsInPixels method doesn't return bounds in Pixel values.", boundsInPixels, DPIUtil.autoScaleUp(bounds)); |
| |
| // create image with ImageDataProvider |
| image = new Image(display, imageDataProvider); |
| boundsInPixels = image.getBoundsInPixels(); |
| bounds = image.getBounds(); |
| image.dispose(); |
| assertEquals(":d: Image.getBoundsInPixels method doesn't return bounds in Pixel values.", boundsInPixels, DPIUtil.autoScaleUp(bounds)); |
| } |
| |
| @SuppressWarnings("deprecation") |
| @Test |
| public void test_getImageDataCurrentZoom() { |
| Rectangle bounds = new Rectangle(0, 0, 10, 20); |
| Image image = new Image(display, bounds.width, bounds.height); |
| image.dispose(); |
| try { |
| image.getImageDataAtCurrentZoom(); |
| fail("No exception thrown for disposed image"); |
| } catch (SWTException e) { |
| assertSWTProblem("Incorrect exception thrown for disposed image", SWT.ERROR_GRAPHIC_DISPOSED, e); |
| } |
| |
| // creates bitmap image and compare size of imageData |
| image = new Image(display, bounds.width, bounds.height); |
| ImageData imageDataAtCurrentZoom = image.getImageDataAtCurrentZoom(); |
| image.dispose(); |
| Rectangle boundsAtCurrentZoom = new Rectangle(0, 0, imageDataAtCurrentZoom.width, imageDataAtCurrentZoom.height); |
| assertEquals(":a: Size of ImageData returned from Image.getImageDataAtCurrentZoom method doesn't return matches with bounds in Pixel values.", boundsAtCurrentZoom, DPIUtil.autoScaleUp(bounds)); |
| |
| // create icon image and compare size of imageData |
| ImageData imageData = new ImageData(bounds.width, bounds.height, 1, new PaletteData(new RGB[] {new RGB(0, 0, 0)})); |
| image = new Image(display, imageData); |
| imageDataAtCurrentZoom = image.getImageDataAtCurrentZoom(); |
| image.dispose(); |
| boundsAtCurrentZoom = new Rectangle(0, 0, imageDataAtCurrentZoom.width, imageDataAtCurrentZoom.height); |
| assertEquals(":b: Size of ImageData returned from Image.getImageDataAtCurrentZoom method doesn't return matches with bounds in Pixel values.", boundsAtCurrentZoom, DPIUtil.autoScaleUp(bounds)); |
| |
| // create image with FileNameProvider |
| image = new Image(display, imageFileNameProvider); |
| imageDataAtCurrentZoom = image.getImageDataAtCurrentZoom(); |
| boundsAtCurrentZoom = new Rectangle(0, 0, imageDataAtCurrentZoom.width, imageDataAtCurrentZoom.height); |
| bounds = image.getBounds(); |
| image.dispose(); |
| assertEquals(":c: Size of ImageData returned from Image.getImageDataAtCurrentZoom method doesn't return matches with bounds in Pixel values.", boundsAtCurrentZoom, DPIUtil.autoScaleUp(bounds)); |
| |
| // create image with ImageDataProvider |
| image = new Image(display, imageDataProvider); |
| imageDataAtCurrentZoom = image.getImageDataAtCurrentZoom(); |
| boundsAtCurrentZoom = new Rectangle(0, 0, imageDataAtCurrentZoom.width, imageDataAtCurrentZoom.height); |
| bounds = image.getBounds(); |
| image.dispose(); |
| assertEquals(":d: Size of ImageData returned from Image.getImageDataAtCurrentZoom method doesn't return matches with bounds in Pixel values.", boundsAtCurrentZoom, DPIUtil.autoScaleUp(bounds)); |
| } |
| |
| @Test |
| public void test_getImageData() { |
| getImageData1(); |
| getImageData2(24, new PaletteData(0xff0000, 0xff00, 0xff)); |
| getImageData2(32, new PaletteData(0xff0000, 0xff00, 0xff)); |
| } |
| |
| @Test |
| public void test_getImageData_100() { |
| getImageData_int(100); |
| } |
| |
| @Test |
| public void test_getImageData_200() { |
| getImageData_int(200); |
| } |
| |
| void getImageData_int(int zoom) { |
| Rectangle bounds = new Rectangle(0, 0, 10, 20); |
| Image image = new Image(display, bounds.width, bounds.height); |
| image.dispose(); |
| try { |
| image.getImageData(zoom); |
| fail("No exception thrown for disposed image"); |
| } catch (SWTException e) { |
| assertSWTProblem("Incorrect exception thrown for disposed image", SWT.ERROR_GRAPHIC_DISPOSED, e); |
| } |
| |
| // creates bitmap image and compare size of imageData |
| image = new Image(display, bounds.width, bounds.height); |
| ImageData imageDataAtZoom = image.getImageData(zoom); |
| image.dispose(); |
| Rectangle boundsAtZoom = new Rectangle(0, 0, imageDataAtZoom.width, imageDataAtZoom.height); |
| assertEquals(":a: Size of ImageData returned from Image.getImageData(int) method doesn't return matches with bounds in Pixel values.", scaleBounds(bounds, zoom, 100), boundsAtZoom); |
| |
| // create icon image and compare size of imageData |
| ImageData imageData = new ImageData(bounds.width, bounds.height, 1, new PaletteData(new RGB[] {new RGB(0, 0, 0)})); |
| image = new Image(display, imageData); |
| imageDataAtZoom = image.getImageData(zoom); |
| image.dispose(); |
| boundsAtZoom = new Rectangle(0, 0, imageDataAtZoom.width, imageDataAtZoom.height); |
| assertEquals(":b: Size of ImageData returned from Image.getImageData(int) method doesn't return matches with bounds in Pixel values.", scaleBounds(bounds, zoom, 100), boundsAtZoom); |
| |
| // create image with FileNameProvider |
| image = new Image(display, imageFileNameProvider); |
| imageDataAtZoom = image.getImageData(zoom); |
| boundsAtZoom = new Rectangle(0, 0, imageDataAtZoom.width, imageDataAtZoom.height); |
| bounds = image.getBounds(); |
| image.dispose(); |
| assertEquals(":c: Size of ImageData returned from Image.getImageData(int) method doesn't return matches with bounds in Pixel values.", scaleBounds(bounds, zoom, 100), boundsAtZoom); |
| |
| // create image with ImageDataProvider |
| image = new Image(display, imageDataProvider); |
| imageDataAtZoom = image.getImageData(zoom); |
| boundsAtZoom = new Rectangle(0, 0, imageDataAtZoom.width, imageDataAtZoom.height); |
| bounds = image.getBounds(); |
| image.dispose(); |
| assertEquals(":d: Size of ImageData returned from Image.getImageData(int) method doesn't return matches with bounds in Pixel values.", scaleBounds(bounds, zoom, 100), boundsAtZoom); |
| } |
| |
| public static Rectangle scaleBounds (Rectangle rect, int targetZoom, int currentZoom) { |
| float scaleFactor = ((float)targetZoom) / (float)currentZoom; |
| Rectangle returnRect = new Rectangle (0,0,0,0); |
| returnRect.x = Math.round (rect.x * scaleFactor); |
| returnRect.y = Math.round (rect.y * scaleFactor); |
| returnRect.width = Math.round (rect.width * scaleFactor); |
| returnRect.height = Math.round (rect.height * scaleFactor); |
| return returnRect; |
| } |
| |
| @Test |
| public void test_hashCode() { |
| Image image = null; |
| Image image1 = null; |
| |
| try { |
| image = new Image(display, 10, 10); |
| image1 = image; |
| |
| assertEquals(":a:", image1.hashCode(), image.hashCode()); |
| |
| ImageData imageData = new ImageData(10, 10, 1, new PaletteData(new RGB(0, 0, 0))); |
| image.dispose(); |
| image = new Image(display, imageData); |
| image1 = new Image(display, imageData); |
| boolean equals = (image1.hashCode() == image.hashCode()); |
| assertFalse(":b:", equals); |
| } finally { |
| image.dispose(); |
| image1.dispose(); |
| } |
| |
| // ImageFileNameProvider |
| try { |
| image = new Image(display, imageFileNameProvider); |
| image1 = new Image(display, imageFileNameProvider); |
| assertEquals(":c:", image1.hashCode(), image.hashCode()); |
| } finally { |
| image.dispose(); |
| image1.dispose(); |
| } |
| |
| // ImageDataProvider |
| try { |
| image = new Image(display, imageDataProvider); |
| image1 = new Image(display, imageDataProvider); |
| assertEquals(":d:", image1.hashCode(), image.hashCode()); |
| } finally { |
| image.dispose(); |
| image1.dispose(); |
| } |
| } |
| |
| @Test |
| public void test_isDisposed() { |
| Image image = new Image(display, 10, 10); |
| assertFalse(":a:", image.isDisposed()); |
| image.dispose(); |
| assertTrue(":b:", image.isDisposed()); |
| } |
| |
| @Test |
| public void test_setBackgroundLorg_eclipse_swt_graphics_Color() { |
| if (SwtTestUtil.isGTK) { |
| //TODO Fix GTK failure. |
| if (SwtTestUtil.verbose) { |
| System.out.println("Excluded test_setBackgroundLorg_eclipse_swt_graphics_Color(org.eclipse.swt.tests.junit.Test_org_eclipse_swt_graphics_Image)"); |
| } |
| return; |
| } |
| |
| Image image = new Image(display, 10, 10); |
| |
| try { |
| image.setBackground(null); |
| fail("No exception thrown for color == null"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for color == null", SWT.ERROR_NULL_ARGUMENT, e); |
| } finally { |
| image.dispose(); |
| } |
| |
| image = new Image(display, 10, 10); |
| Color color = new Color(display, 255, 255, 255); |
| color.dispose(); |
| try { |
| image.setBackground(color); |
| fail("No exception thrown for disposed color"); |
| } catch (IllegalArgumentException e) { |
| assertSWTProblem("Incorrect exception thrown for disposed color", SWT.ERROR_INVALID_ARGUMENT, e); |
| } finally { |
| image.dispose(); |
| } |
| |
| image = new Image(display, 10, 10); |
| image.dispose(); |
| color = new Color(display, 255, 255, 255); |
| try { |
| image.setBackground(color); |
| fail("No exception thrown for disposed image"); |
| } catch (SWTException e) { |
| assertSWTProblem("Incorrect exception thrown for disposed image", SWT.ERROR_GRAPHIC_DISPOSED, e); |
| } finally { |
| color.dispose(); |
| } |
| |
| // this image does not have a transparent pixel by default so setBackground has no effect |
| image = new Image(display, 10, 10); |
| image.setBackground(display.getSystemColor(SWT.COLOR_GREEN)); |
| color = image.getBackground(); |
| assertNull("background color should be null for non-transparent image", color); |
| image.dispose(); |
| |
| // create an image with transparency and then set the background color |
| ImageData imageData = new ImageData(10, 10, 2, new PaletteData(new RGB(0, 0, 0), new RGB(255, 255, 255), new RGB(50, 100, 150))); |
| imageData.transparentPixel = 0; // transparent pixel is currently black |
| image = new Image(display, imageData); |
| image.setBackground(display.getSystemColor(SWT.COLOR_GREEN)); |
| color = image.getBackground(); |
| assertEquals("background color should have been set to green", display.getSystemColor(SWT.COLOR_GREEN), color); |
| image.dispose(); |
| } |
| |
| @Test |
| public void test_toString() { |
| Image image = new Image(display, 10, 10); |
| try { |
| assertNotNull(image.toString()); |
| assertTrue(image.toString().length() > 0); |
| } finally { |
| image.dispose(); |
| } |
| } |
| |
| /* custom */ |
| Display display; |
| |
| /** Test implementation **/ |
| |
| void getImageData1() { |
| int numFormats = SwtTestUtil.imageFormats.length; |
| String fileName = SwtTestUtil.imageFilenames[0]; |
| for (int i=0; i<numFormats; i++) { |
| String format = SwtTestUtil.imageFormats[i]; |
| try (InputStream stream = SwtTestUtil.class.getResourceAsStream(fileName + "." + format)) { |
| ImageData data1 = new ImageData(stream); |
| Image image = new Image(display, data1); |
| ImageData data2 = image.getImageData(); |
| image.dispose(); |
| assertEquals("Image width should be the same", data1.width, data2.width); |
| assertEquals("Image height should be the same", data1.height, data2.height); |
| } catch (IOException e) { |
| // continue; |
| } |
| } |
| } |
| |
| /* |
| * Verify Image.getImageData returns pixels with the same RGB value as the |
| * source image. This test only makes sense with depth of 24 and 32 bits. |
| */ |
| void getImageData2(int depth, PaletteData palette) { |
| int width = 10; |
| int height = 10; |
| Color color = new Color(display, 0, 0xff, 0); |
| RGB colorRGB = color.getRGB(); |
| |
| ImageData imageData = new ImageData(width, height, depth, palette); |
| Image image = new Image(display, imageData); |
| |
| GC gc = new GC(image); |
| gc.setBackground(color); |
| gc.setForeground(color); |
| gc.fillRectangle(0, 0, 10, 10); |
| |
| ImageData newData = image.getImageData(); |
| PaletteData newPalette = newData.palette; |
| for (int i = 0; i < width; i++) { |
| for (int j = 0; j < height; j++) { |
| int pixel = newData.getPixel(i, j); |
| RGB rgb = newPalette.getRGB(pixel); |
| assertTrue("rgb.equals(colorRGB)", rgb.equals(colorRGB)); |
| } |
| } |
| color.dispose(); |
| gc.dispose(); |
| image.dispose(); |
| } |
| String getPath(String fileName) { |
| String urlPath; |
| |
| String pluginPath = System.getProperty("PLUGIN_PATH"); |
| if (pluginPath == null) { |
| URL url = getClass().getClassLoader().getResource(fileName); |
| if (url == null) { |
| fail("URL == null for file " + fileName); |
| } |
| urlPath = url.getFile(); |
| } else { |
| urlPath = pluginPath + "/data/" + fileName; |
| } |
| |
| if (File.separatorChar != '/') urlPath = urlPath.replace('/', File.separatorChar); |
| if (SwtTestUtil.isWindows && urlPath.indexOf(File.separatorChar) == 0) urlPath = urlPath.substring(1); |
| urlPath = urlPath.replaceAll("%20", " "); |
| |
| return urlPath; |
| } |
| RGB getRealRGB(Color color) { |
| Image colorImage = new Image(display, 10, 10); |
| GC imageGc = new GC(colorImage); |
| ImageData imageData; |
| PaletteData palette; |
| int pixel; |
| |
| imageGc.setBackground(color); |
| imageGc.setForeground(color); |
| imageGc.fillRectangle(0, 0, 10, 10); |
| imageData = colorImage.getImageData(); |
| palette = imageData.palette; |
| imageGc.dispose(); |
| colorImage.dispose(); |
| pixel = imageData.getPixel(0, 0); |
| return palette.getRGB(pixel); |
| } |
| |
| } |