Examples with Matrix android.graphics.Matrix used on opensource projects

Example 51 with Matrix

use of android.graphics.Matrix in project robolectric by robolectric.

the class ShadowBitmapTest method shouldReceiveDescriptionWhenDrawingToCanvasWithBitmapAndMatrixAndPaint.

@Test
public void shouldReceiveDescriptionWhenDrawingToCanvasWithBitmapAndMatrixAndPaint() throws Exception {
    Bitmap bitmap1 = create("Bitmap One", 100, 100);
    Bitmap bitmap2 = create("Bitmap Two", 100, 100);
    Canvas canvas = new Canvas(bitmap1);
    canvas.drawBitmap(bitmap2, new Matrix(), null);
    assertThat(shadowOf(bitmap1).getDescription()).isEqualTo("Bitmap One\nBitmap Two transformed by Matrix[pre=[], set={}, post=[]]");
}

Example 52 with Matrix

use of android.graphics.Matrix in project robolectric by robolectric.

the class ShadowBitmapTest method shouldAdjustDimensionsForMatrix.

@Test
public void shouldAdjustDimensionsForMatrix() {
    Bitmap transformedBitmap;
    int width = 10;
    int height = 20;
    Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    Matrix matrix = new Matrix();
    transformedBitmap = Bitmap.createBitmap(bitmap, 0, 0, width, height, matrix, false);
    assertThat(transformedBitmap.getWidth()).isEqualTo(width);
    assertThat(transformedBitmap.getHeight()).isEqualTo(height);
    matrix.setRotate(90);
    transformedBitmap = Bitmap.createBitmap(bitmap, 0, 0, width, height, matrix, false);
    assertThat(transformedBitmap.getWidth()).isEqualTo(height);
    assertThat(transformedBitmap.getHeight()).isEqualTo(width);
    matrix.setScale(2, 3);
    transformedBitmap = Bitmap.createBitmap(bitmap, 0, 0, width, height, matrix, false);
    assertThat(transformedBitmap.getWidth()).isEqualTo(width * 2);
    assertThat(transformedBitmap.getHeight()).isEqualTo(height * 3);
}

Example 53 with Matrix

use of android.graphics.Matrix in project robolectric by robolectric.

the class ShadowBitmapTest method shouldGetPixelsFromAnyNonNullableCreatedBitmap.

@Test
public void shouldGetPixelsFromAnyNonNullableCreatedBitmap() {
    Bitmap bitmap;
    int width = 10;
    int height = 10;
    int[] pixels = new int[width * height];
    bitmap = Bitmap.createBitmap(10, 10, Bitmap.Config.ARGB_8888);
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    bitmap = Bitmap.createBitmap(bitmap);
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    bitmap = Bitmap.createBitmap(bitmap, 0, 0, width, height);
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    bitmap = Bitmap.createBitmap(bitmap, 0, 0, width, height, new Matrix(), false);
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
    bitmap = Bitmap.createBitmap(pixels, width, height, Bitmap.Config.ARGB_8888);
    bitmap.getPixels(pixels, 0, width, 0, 0, width, height);
}

Example 54 with Matrix

use of android.graphics.Matrix in project robolectric by robolectric.

the class ShadowBitmapTest method shouldReceiveDescriptionWhenDrawABitmapToCanvasWithAPaintEffect.

@Test
public void shouldReceiveDescriptionWhenDrawABitmapToCanvasWithAPaintEffect() throws Exception {
    Bitmap bitmap1 = create("Bitmap One", 100, 100);
    Bitmap bitmap2 = create("Bitmap Two", 100, 100);
    Canvas canvas = new Canvas(bitmap1);
    Paint paint = new Paint();
    paint.setColorFilter(new ColorMatrixColorFilter(new ColorMatrix()));
    canvas.drawBitmap(bitmap2, new Matrix(), paint);
    assertThat(shadowOf(bitmap1).getDescription()).isEqualTo("Bitmap One\n" + "Bitmap Two with ColorMatrixColorFilter<1,0,0,0,0,0,1,0,0,0,0,0,1,0,0,0,0,0,1,0>" + " transformed by Matrix[pre=[], set={}, post=[]]");
}

Example 55 with Matrix

use of android.graphics.Matrix in project robolectric by robolectric.

the class ShadowCanvasTest method visualize_shouldReturnDescription.

@Test
public void visualize_shouldReturnDescription() throws Exception {
    Canvas canvas = new Canvas(targetBitmap);
    canvas.drawBitmap(imageBitmap, new Matrix(), new Paint());
    canvas.drawBitmap(imageBitmap, new Matrix(), new Paint());
    assertEquals("Bitmap for file:/an/image.jpg transformed by Matrix[pre=[], set={}, post=[]]\n" + "Bitmap for file:/an/image.jpg transformed by Matrix[pre=[], set={}, post=[]]", ShadowCanvas.visualize(canvas));
}