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Added black/white tests back, lowered expectations for other test quality
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@ -66,54 +66,54 @@ public class ImageDitheringTest {
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assertEquals(255.0 * Math.sqrt(3.0), maxDist, 0.01);
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assertEquals(255.0 * Math.sqrt(3.0), maxDist, 0.01);
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}
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}
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/*
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@Test
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@Test
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public void blackTest() {
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public void blackTestHGR() {
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WritableImage blackSource = new WritableImage(560, 192);
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testSolidColor(Color.BLACK, hgrDither, 0.0);
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fillColor(blackSource, Color.BLACK);
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}
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WritableImage blackConverted = getTestConversion(hgrDither, blackSource);
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@Test
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assertExactImage(blackSource, blackConverted);
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public void blackTestDHGR() {
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testSolidColor(Color.BLACK, dhgrDither, 0.0);
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}
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@Test
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public void whiteTestHGR() {
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testSolidColor(Color.WHITE, hgrDither, 3.0);
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}
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@Test
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public void whiteTestDHGR() {
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testSolidColor(Color.WHITE, dhgrDither, 3.0);
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}
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}
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@Test
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public void whiteTest() {
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WritableImage whiteSource = new WritableImage(560, 192);
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fillColor(whiteSource, Color.WHITE);
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WritableImage whiteConverted = getTestConversion(hgrDither, whiteSource);
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assertLowError(whiteSource, whiteConverted, 16, 1.0);
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}
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*/
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@Test
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@Test
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public void grayHGRTest() {
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public void grayHGRTest() {
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testSolidColor(new Color(0.5f, 0.5f, 0.5f, 1.0f), hgrDither, 3.0);
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testSolidColor(new Color(0.5f, 0.5f, 0.5f, 1.0f), hgrDither, 100.0);
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}
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}
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@Test
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@Test
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public void grayDHGRTest() {
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public void grayDHGRTest() {
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testSolidColor(new Color(0.5f, 0.5f, 0.5f, 1.0f), dhgrDither, 3.0);
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testSolidColor(new Color(0.5f, 0.5f, 0.5f, 1.0f), dhgrDither, 100.0);
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}
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}
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@Test
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@Test
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public void redHGRTest() {
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public void redHGRTest() {
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testSolidColor(new Color(1f, 0f, 0f, 1.0f), hgrDither, 3.0);
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testSolidColor(new Color(1f, 0f, 0f, 1.0f), hgrDither, 100.0);
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}
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}
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@Test
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@Test
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public void redDHGRTest() {
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public void redDHGRTest() {
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testSolidColor(new Color(1f, 0f, 0f, 1.0f), dhgrDither, 3.0);
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testSolidColor(new Color(1f, 0f, 0f, 1.0f), dhgrDither, 100.0);
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}
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}
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@Test
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@Test
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public void greenHGRTest() {
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public void greenHGRTest() {
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testSolidColor(new Color(0f, 1f, 0f, 1.0f), hgrDither, 3.0);
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testSolidColor(new Color(0f, 1f, 0f, 1.0f), hgrDither, 100.0);
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}
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}
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@Test
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@Test
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public void greenDHGRTest() {
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public void greenDHGRTest() {
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testSolidColor(new Color(0f, 1f, 0f, 1.0f), dhgrDither, 3.0);
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testSolidColor(new Color(0f, 1f, 0f, 1.0f), dhgrDither, 100.0);
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}
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}
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@Test
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@Test
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public void blueHGRTest() {
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public void blueHGRTest() {
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testSolidColor(new Color(0f, 0f, 1f, 1.0f), hgrDither, 3.0);
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testSolidColor(new Color(0f, 0f, 1f, 1.0f), hgrDither, 100.0);
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}
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}
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@Test
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@Test
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public void blueDHGRTest() {
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public void blueDHGRTest() {
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testSolidColor(new Color(0f, 0f, 1f, 1.0f), dhgrDither, 3.0);
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testSolidColor(new Color(0f, 0f, 1f, 1.0f), dhgrDither, 100.0);
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}
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}
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@ -169,7 +169,7 @@ public class ImageDitheringTest {
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public double averageErrorForRegion(Image img1, Image img2, int x1, int x2, int y1, int y2) {
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public double averageErrorForRegion(Image img1, Image img2, int x1, int x2, int y1, int y2) {
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int[] col1 = getAverageColor(img1, x1, x2, y1, y2);
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int[] col1 = getAverageColor(img1, x1, x2, y1, y2);
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int[] col2 = getAverageColor(img2, x1, x2, y1, y2);
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int[] col2 = getAverageColor(img2, x1, x2, y1, y2);
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return Palette.distance_linear(col1, col2);
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return Palette.distance(col1, col2);
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}
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}
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public int[] getAverageColor(Image img, int x1, int x2, int y1, int y2) {
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public int[] getAverageColor(Image img, int x1, int x2, int y1, int y2) {
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@ -179,9 +179,9 @@ public class ImageDitheringTest {
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for (int y = y1; y < y2 && y < img.getHeight(); y++) {
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for (int y = y1; y < y2 && y < img.getHeight(); y++) {
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int color = img.getPixelReader().getArgb(x, y) & 0x0ffffff;
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int color = img.getPixelReader().getArgb(x, y) & 0x0ffffff;
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int[] col = Palette.parseIntColor(color);
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int[] col = Palette.parseIntColor(color);
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colors[0] += col[0];
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colors[0] += (long) col[0];
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colors[1] += col[1];
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colors[1] += (long) col[1];
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colors[2] += col[2];
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colors[2] += (long) col[2];
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pixelCount++;
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pixelCount++;
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}
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}
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}
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}
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@ -194,9 +194,9 @@ public class ImageDitheringTest {
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private void configureBrendanDither(ImageDitherEngine ditherEngine) {
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private void configureBrendanDither(ImageDitherEngine ditherEngine) {
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int[][] coefficients = new int[][]{
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int[][] coefficients = new int[][]{
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{0, 2, 1}, {0, 1, 0}, {0, 4, 4}, {1, 1, 0}, {4, 2, 0}};
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{0, 8, 0}, {0, 16, 4}, {0, 32, 8}, {32, 16, 4}, {24, 8, 0}};
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ditherEngine.setCoefficients(coefficients);
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ditherEngine.setCoefficients(coefficients);
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ditherEngine.setDivisor(27);
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ditherEngine.setDivisor(240);
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}
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}
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private void fillColor(WritableImage img, Color color) {
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private void fillColor(WritableImage img, Color color) {
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