Examples with ImageData org.eclipse.swt.graphics.ImageData used on opensource projects

Example 51 with ImageData

use of org.eclipse.swt.graphics.ImageData in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_graphics_ImageData method test_getPixelsIII$BI.

@Test
public void test_getPixelsIII$BI() {
    final int SIZE = 20;
    final int GET_WIDTH = 10;
    final int OFFSET = 10;
    byte[] pixelData = new byte[SIZE];
    // test 1 bit
    imageData = new ImageData(IMAGE_DIMENSION, IMAGE_DIMENSION, 1, new PaletteData(new RGB(0, 0, 0), new RGB(255, 255, 255)));
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        assertEquals(":a:", 0, pixelData[i]);
    }
    byte[] values = new byte[] { 0x1, 0x1, 0x1, 0x1, 0x1 };
    imageData.setPixels(0, 1, values.length, values, 0);
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        if (i < OFFSET) {
            assertEquals(":b:", 0, pixelData[i]);
        } else if (i < OFFSET + values.length) {
            assertEquals(":c:", values[i - OFFSET], pixelData[i]);
        } else if (i < OFFSET + GET_WIDTH) {
            assertEquals(":d:", 0, pixelData[i]);
        }
    }
    // test 2 bit
    imageData = new ImageData(IMAGE_DIMENSION, IMAGE_DIMENSION, 2, new PaletteData(new RGB(0, 0, 0), new RGB(255, 255, 255)));
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        assertEquals(":e:", 0, pixelData[i]);
    }
    values = new byte[] { 0x1, 0x2, 0x3, 0x2, 0x1 };
    imageData.setPixels(0, 1, values.length, values, 0);
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        if (i < OFFSET) {
            assertEquals(":f:", 0, pixelData[i]);
        } else if (i < OFFSET + values.length) {
            assertEquals(":g:", values[i - OFFSET], pixelData[i]);
        } else if (i < OFFSET + GET_WIDTH) {
            assertEquals(":h:", 0, pixelData[i]);
        }
    }
    // test 4 bit
    imageData = new ImageData(IMAGE_DIMENSION, IMAGE_DIMENSION, 4, new PaletteData(new RGB(0, 0, 0), new RGB(255, 255, 255)));
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        assertEquals(":i:", 0, pixelData[i]);
    }
    values = new byte[] { 0x1, 0x2, 0x3, 0x4, 0xF };
    imageData.setPixels(0, 1, values.length, values, 0);
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        if (i < OFFSET) {
            assertEquals(":j:", 0, pixelData[i]);
        } else if (i < OFFSET + values.length) {
            assertEquals(":k:", values[i - OFFSET], pixelData[i]);
        } else if (i < OFFSET + GET_WIDTH) {
            assertEquals(":l:", 0, pixelData[i]);
        }
    }
    // test 8 bit
    imageData = new ImageData(IMAGE_DIMENSION, IMAGE_DIMENSION, 8, new PaletteData(new RGB(0, 0, 0), new RGB(255, 255, 255)));
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        assertEquals(":m:", 0, pixelData[i]);
    }
    values = new byte[] { 0x1, 0x2, 0x3, 0xF, (byte) 0xFF };
    imageData.setPixels(0, 1, values.length, values, 0);
    imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
    for (int i = 0; i < pixelData.length; i++) {
        if (i < OFFSET) {
            assertEquals(":n:", 0, pixelData[i]);
        } else if (i < OFFSET + values.length) {
            assertEquals(":o:", values[i - OFFSET], pixelData[i]);
        } else if (i < OFFSET + GET_WIDTH) {
            assertEquals(":p:", 0, pixelData[i]);
        }
    }
    // exception cases
    try {
        imageData.getPixels(0, 1, GET_WIDTH * GET_WIDTH, pixelData, OFFSET);
        fail("No exception thrown for getWidth out of bounds");
    } catch (IndexOutOfBoundsException e) {
    }
    try {
        imageData.getPixels(0, 1, GET_WIDTH, (byte[]) null, OFFSET);
        fail("No exception thrown for pixels == null");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for pixels == null", SWT.ERROR_NULL_ARGUMENT, e);
    }
    try {
        imageData.getPixels(-1, 1, GET_WIDTH, pixelData, OFFSET);
        fail("No exception thrown for x out of bounds");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for x out of bounds", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    try {
        imageData.getPixels(IMAGE_DIMENSION, 1, GET_WIDTH, pixelData, OFFSET);
        fail("No exception thrown for x out of bounds");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for x out of bounds", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    try {
        imageData.getPixels(0, -1, GET_WIDTH, pixelData, OFFSET);
        fail("No exception thrown for y out of bounds");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for y out of bounds", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    try {
        imageData.getPixels(0, IMAGE_DIMENSION, GET_WIDTH, pixelData, OFFSET);
        fail("No exception thrown for y out of bounds");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for y out of bounds", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    try {
        imageData.getPixels(0, 1, -1, pixelData, OFFSET);
        fail("No exception thrown for getWidth < 0");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for getWidth < 0", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    imageData = new ImageData(IMAGE_DIMENSION, IMAGE_DIMENSION, 32, new PaletteData(0xFF0000, 0xFF00, 0xFF));
    try {
        imageData.getPixels(0, 1, GET_WIDTH, pixelData, OFFSET);
        fail("No exception thrown for invalid depth");
    } catch (SWTException e) {
        assertSWTProblem("Incorrect exception thrown for invalid depth", SWT.ERROR_UNSUPPORTED_DEPTH, e);
    }
}

Example 52 with ImageData

use of org.eclipse.swt.graphics.ImageData in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_graphics_ImageData method test_getRGBs.

@Test
public void test_getRGBs() {
    assertNull(":a:", imageData.getRGBs());
    RGB[] rgbs = new RGB[] { new RGB(0, 0, 0), new RGB(255, 255, 255) };
    imageData = new ImageData(IMAGE_DIMENSION, IMAGE_DIMENSION, 8, new PaletteData(rgbs));
    assertArrayEquals(":b:", rgbs, imageData.getRGBs());
}

Example 53 with ImageData

use of org.eclipse.swt.graphics.ImageData in project eclipse.platform.swt by eclipse.

the class Test_org_eclipse_swt_graphics_ImageData method test_clone.

@Test
public void test_clone() {
    try (InputStream stream = SwtTestUtil.class.getResourceAsStream(SwtTestUtil.imageFilenames[0] + "." + SwtTestUtil.imageFormats[0])) {
        ImageData data1 = new ImageData(stream);
        ImageData data2 = (ImageData) data1.clone();
        // imageData does not implement an equals(Object) method
        assertEquals(":a:", data1.alpha, data2.alpha);
        assertArrayEquals(":b:", data1.alphaData, data2.alphaData);
        assertEquals(":c:", data1.bytesPerLine, data2.bytesPerLine);
        assertArrayEquals(":d:", data1.data, data2.data);
        assertEquals(":e:", data1.delayTime, data2.delayTime);
        assertEquals(":f:", data1.depth, data2.depth);
        assertEquals(":g:", data1.disposalMethod, data2.disposalMethod);
        assertEquals(":h:", data1.height, data2.height);
        assertArrayEquals(":i:", data1.maskData, data2.maskData);
        assertEquals(":j:", data1.maskPad, data2.maskPad);
        assertEquals(":k:", data1.palette, data2.palette);
        assertEquals(":l:", data1.scanlinePad, data2.scanlinePad);
        assertEquals(":m:", data1.transparentPixel, data2.transparentPixel);
        assertEquals(":n:", data1.type, data2.type);
        assertEquals(":o:", data1.width, data2.width);
        assertEquals(":p:", data1.x, data2.x);
        assertEquals(":q:", data1.y, data2.y);
    } catch (IOException e) {
    }
}

Example 54 with ImageData

use of org.eclipse.swt.graphics.ImageData in project eclipse.platform.swt by eclipse.

the class PaintExample method initResources.

/**
 * Loads the image resources.
 */
public void initResources() {
    final Class<PaintExample> clazz = PaintExample.class;
    if (resourceBundle != null) {
        try {
            for (Tool tool2 : tools) {
                Tool tool = tool2;
                String id = tool.group + '.' + tool.name;
                try (InputStream sourceStream = clazz.getResourceAsStream(getResourceString(id + ".image"))) {
                    ImageData source = new ImageData(sourceStream);
                    ImageData mask = source.getTransparencyMask();
                    tool.image = new Image(null, source, mask);
                }
            }
            return;
        } catch (Throwable t) {
        }
    }
    String error = (resourceBundle != null) ? getResourceString("error.CouldNotLoadResources") : "Unable to load resources";
    freeResources();
    throw new RuntimeException(error);
}

Example 55 with ImageData

use of org.eclipse.swt.graphics.ImageData in project eclipse.platform.swt by eclipse.

the class ImageDataUtil method convertImageData.

public static ImageData convertImageData(ImageData source) {
    PaletteData palette = new PaletteData(0xff0000, 0xff00, 0xff);
    ImageData newSource = new ImageData(source.width, source.height, 24, palette);
    ImageDataUtil.blit(1, source.data, source.depth, source.bytesPerLine, (source.depth != 16) ? MSB_FIRST : LSB_FIRST, 0, 0, source.width, source.height, source.palette.redMask, source.palette.greenMask, source.palette.blueMask, 255, null, 0, 0, 0, newSource.data, newSource.depth, newSource.bytesPerLine, (newSource.depth != 16) ? MSB_FIRST : LSB_FIRST, 0, 0, newSource.width, newSource.height, newSource.palette.redMask, newSource.palette.greenMask, newSource.palette.blueMask, false, true);
    return newSource;
}