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

Example 46 with PaletteData

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

the class Test_org_eclipse_swt_graphics_ImageData method test_setPixelsIII$BI.

@Test
public void test_setPixelsIII$BI() {
    final int SIZE = 20;
    final int OFFSET = 1;
    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)));
    byte[] values = new byte[] { 0x1, 0x1, 0x1, 0x1, 0x1 };
    imageData.setPixels(0, 1, values.length - OFFSET, values, OFFSET);
    imageData.getPixels(0, 1, IMAGE_DIMENSION, pixelData, 0);
    for (int i = 0; i < pixelData.length; i++) {
        if (i + OFFSET < values.length) {
            assertEquals(":a:", values[i + OFFSET], pixelData[i]);
        } else {
            assertEquals(":b:", 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)));
    values = new byte[] { 0x1, 0x2, 0x3, 0x2, 0x1 };
    imageData.setPixels(0, 1, values.length - OFFSET, values, OFFSET);
    imageData.getPixels(0, 1, IMAGE_DIMENSION, pixelData, 0);
    for (int i = 0; i < pixelData.length; i++) {
        if (i + OFFSET < values.length) {
            assertEquals(":c:", values[i + OFFSET], pixelData[i]);
        } else {
            assertEquals(":d:", 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)));
    values = new byte[] { 0x1, 0x2, 0x3, 0x4, 0xF };
    imageData.setPixels(0, 1, values.length - OFFSET, values, OFFSET);
    imageData.getPixels(0, 1, IMAGE_DIMENSION, pixelData, 0);
    for (int i = 0; i < pixelData.length; i++) {
        if (i + OFFSET < values.length) {
            assertEquals(":e:", values[i + OFFSET], pixelData[i]);
        } else {
            assertEquals(":f:", 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)));
    values = new byte[] { 0x1, 0x2, 0x3, 0xF, (byte) 0xFF };
    imageData.setPixels(0, 1, values.length - OFFSET, values, OFFSET);
    imageData.getPixels(0, 1, IMAGE_DIMENSION, pixelData, 0);
    for (int i = 0; i < pixelData.length; i++) {
        if (i + OFFSET < values.length) {
            assertEquals(":g:", values[i + OFFSET], pixelData[i]);
        } else {
            assertEquals(":h:", 0, pixelData[i]);
        }
    }
    // exception cases
    try {
        imageData.setPixels(0, 1, IMAGE_DIMENSION * IMAGE_DIMENSION, pixelData, OFFSET);
        fail("No exception thrown for putWidth out of bounds");
    } catch (IndexOutOfBoundsException e) {
    }
    try {
        imageData.setPixels(0, 1, IMAGE_DIMENSION, (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.setPixels(-1, 1, IMAGE_DIMENSION, 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.setPixels(IMAGE_DIMENSION, 1, IMAGE_DIMENSION, 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.setPixels(0, -1, IMAGE_DIMENSION, 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.setPixels(0, IMAGE_DIMENSION, IMAGE_DIMENSION, 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.setPixels(0, 1, -1, pixelData, OFFSET);
        fail("No exception thrown for putWidth < 0");
    } catch (IllegalArgumentException e) {
        assertSWTProblem("Incorrect exception thrown for putWidth < 0", SWT.ERROR_INVALID_ARGUMENT, e);
    }
    imageData = new ImageData(IMAGE_DIMENSION, IMAGE_DIMENSION, 32, new PaletteData(0xFF0000, 0xFF00, 0xFF));
    try {
        imageData.setPixels(0, 1, IMAGE_DIMENSION, 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 47 with PaletteData

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

the class Test_org_eclipse_swt_graphics_ImageData method test_ConstructorIIILorg_eclipse_swt_graphics_PaletteData.

@Test
public void test_ConstructorIIILorg_eclipse_swt_graphics_PaletteData() {
    try {
        new ImageData(-1, 1, 1, new PaletteData(new RGB(0, 0, 0)));
        fail("No exception thrown for width < 0");
    } catch (IllegalArgumentException e) {
    }
    try {
        new ImageData(1, -1, 1, new PaletteData(new RGB(0, 0, 0)));
        fail("No exception thrown for height < 0");
    } catch (IllegalArgumentException e) {
    }
    try {
        new ImageData(1, 1, 1, null, 0, new byte[] { 0, 0x4f, 0x4f, 0 });
        fail("No exception thrown for paletteData == null");
    } catch (IllegalArgumentException e) {
    }
    try {
        new ImageData(1, 1, 3, new PaletteData(new RGB(0, 0, 0)));
        fail("No exception thrown for unsupported depth");
    } catch (IllegalArgumentException e) {
    }
    int[] validDepths = { 1, 2, 4, 8, 16, 24, 32 };
    for (int i = 0; i < validDepths.length; i++) {
        new ImageData(1, 1, validDepths[i], new PaletteData(new RGB(0, 0, 0)));
    }
}

Example 48 with PaletteData

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

the class Test_org_eclipse_swt_graphics_ImageData method test_scaledToII.

@Test
public void test_scaledToII() {
    final int imageDimension = 8;
    RGB[] rgbs = new RGB[] { new RGB(0, 0, 0), new RGB(255, 255, 255) };
    byte[] pixelData = new byte[(imageDimension * imageDimension) / 8];
    pixelData[0] = 0x4F;
    imageData = new ImageData(imageDimension, imageDimension, 1, new PaletteData(rgbs), 1, pixelData);
    ImageData scaledImageData = imageData.scaledTo(-imageDimension, -imageDimension);
    byte[] scaledPixelData = new byte[imageDimension];
    scaledImageData.getPixels(0, imageDimension - 1, scaledPixelData.length, scaledPixelData, 0);
    byte[] expectedPixelData = new byte[] { 0x1, 0x1, 0x1, 0x1, 0, 0, 0x1, 0 };
    assertArrayEquals(":a:", expectedPixelData, scaledPixelData);
    scaledImageData = imageData.scaledTo(imageDimension * 10, imageDimension);
    scaledPixelData = new byte[imageDimension * 10];
    scaledImageData.getPixels(0, 0, scaledPixelData.length, scaledPixelData, 0);
    assertEquals(":b:", 0, scaledPixelData[0]);
    assertEquals(":c:", 0, scaledPixelData[1]);
    scaledImageData = imageData.scaledTo(imageDimension, imageDimension * 10);
    scaledPixelData = new byte[imageDimension];
    scaledImageData.getPixels(0, 0, scaledPixelData.length, scaledPixelData, 0);
    expectedPixelData = new byte[] { 0, 0x1, 0, 0, 0x1, 0x1, 0x1, 0x1 };
    assertArrayEquals(":d:", expectedPixelData, scaledPixelData);
}

Example 49 with PaletteData

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

the class Test_org_eclipse_swt_graphics_PaletteData method test_getRGBI.

@Test
public void test_getRGBI() {
    // indexed palette tests
    RGB[] rgbs = { new RGB(0, 0, 0), new RGB(255, 255, 255), new RGB(50, 100, 150) };
    PaletteData data = new PaletteData(rgbs);
    try {
        data.getRGB(rgbs.length);
        fail("No exception thrown for nonexistent pixel");
    } catch (IllegalArgumentException e) {
    }
    assertEquals(":a:", rgbs[rgbs.length - 1], data.getRGB(rgbs.length - 1));
    // direct palette tests
    RGB rgb = new RGB(0x32, 0x64, 0x96);
    data = new PaletteData(0xff0000, 0x00ff00, 0x0000ff);
    assertEquals(":b:", rgb, data.getRGB(0x326496));
}

Example 50 with PaletteData

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

the class Test_org_eclipse_swt_graphics_PaletteData method test_ConstructorIII.

@Test
public void test_ConstructorIII() {
    PaletteData data = new PaletteData(0, 0, 0);
    assertTrue(":a:", data.isDirect);
    data = new PaletteData(-1, -1, -1);
    assertTrue(":b:", data.isDirect);
    data = new PaletteData(0xff0000, 0x00ff00, 0x0000ff);
    assertTrue(":c:", data.isDirect);
}