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CMSDK : Fix generateAlertColorFromDrawable for non BitmapDrawable

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In the case that the bitmap being passed in was not a bitmap drawable,
we were not retaining any of the attributes from the original drawable.
This patch ensures we ask that drawable to draw on the canvas/bitmap so we
can use that information. Also add tests around it.

Change-Id: I3eefba6e6624fe0bed4965ddf9029320c40f7420
This commit is contained in:
Danesh M 2016-06-15 14:13:55 -07:00 committed by Steve Kondik
parent 4ceac56022
commit e1ba9407f7
2 changed files with 38 additions and 4 deletions
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9
sdk/src/java/cyanogenmod/util/ColorUtils.java
View File

@ -16,6 +16,7 @@
package cyanogenmod.util;
import android.graphics.Bitmap;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.Drawable;
@ -270,9 +271,13 @@ public class ColorUtils {
if (drawable instanceof BitmapDrawable) {
bitmap = ((BitmapDrawable) drawable).getBitmap();
} else {
bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(),
drawable.getIntrinsicHeight(),
int width = drawable.getIntrinsicWidth();
int height = drawable.getIntrinsicHeight();
bitmap = Bitmap.createBitmap(Math.max(1, width),
Math.max(1, height),
Bitmap.Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
drawable.draw(canvas);
}
if (bitmap != null) {

33
tests/src/org/cyanogenmod/tests/util/ColorUtilTest.java
View File

@ -21,9 +21,12 @@ import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.ColorDrawable;
import android.test.AndroidTestCase;
import android.util.MathUtils;
import cyanogenmod.util.ColorUtils;
import org.mockito.Mockito;
import org.mockito.invocation.InvocationOnMock;
import org.mockito.stubbing.Answer;
public class ColorUtilTest extends AndroidTestCase {
private ColorUtils mColorUtils;
@ -59,13 +62,17 @@ public class ColorUtilTest extends AndroidTestCase {
assertEquals(color, Color.BLACK);
Bitmap bitmap = Bitmap.createBitmap(10, 10, Bitmap.Config.ARGB_8888);
BitmapDrawable bitmapDrawable = new BitmapDrawable(bitmap);
bitmapDrawable.setBounds(0, 0, 10, 10);
Canvas canvas = new Canvas(bitmap);
canvas.drawColor(Color.RED);
// Test fully red bitmap
BitmapDrawable bitmapDrawable = new BitmapDrawable(bitmap);
color = mColorUtils.generateAlertColorFromDrawable(bitmapDrawable);
assertEquals(color, Color.RED);
color = mColorUtils.generateAlertColorFromDrawable(
getColorDrawableFromBitmapDrawable(bitmapDrawable));
assertEquals(color, Color.RED);
// Test blue/red bitmap with blue dominating
Paint p = new Paint();
@ -74,12 +81,18 @@ public class ColorUtilTest extends AndroidTestCase {
canvas.drawRect(0, 0, 8, 8, p);
color = mColorUtils.generateAlertColorFromDrawable(bitmapDrawable);
assertEquals(color, Color.BLUE);
color = mColorUtils.generateAlertColorFromDrawable(
getColorDrawableFromBitmapDrawable(bitmapDrawable));
assertEquals(color, Color.BLUE);
// Test large white + small blue scenario
canvas.drawColor(Color.WHITE);
canvas.drawRect(0, 0, 2, 2, p);
color = mColorUtils.generateAlertColorFromDrawable(bitmapDrawable);
assertEquals(color, Color.BLUE);
color = mColorUtils.generateAlertColorFromDrawable(
getColorDrawableFromBitmapDrawable(bitmapDrawable));
assertEquals(color, Color.BLUE);
// Test large white + small black scenario
canvas.drawColor(Color.WHITE);
@ -87,8 +100,24 @@ public class ColorUtilTest extends AndroidTestCase {
canvas.drawRect(0, 0, 2, 2, p);
color = mColorUtils.generateAlertColorFromDrawable(bitmapDrawable);
assertEquals(color, Color.WHITE);
color = mColorUtils.generateAlertColorFromDrawable(
getColorDrawableFromBitmapDrawable(bitmapDrawable));
assertEquals(color, Color.WHITE);
assertEquals(bitmap.isRecycled(), false);
bitmap.recycle();
}
private ColorDrawable getColorDrawableFromBitmapDrawable(final BitmapDrawable bitmapDrawable) {
ColorDrawable colorDrawable = Mockito.mock(ColorDrawable.class);
Mockito.doAnswer(new Answer() {
@Override
public Object answer(InvocationOnMock invocation) throws Throwable {
Canvas canvas = (Canvas) invocation.getArguments()[0];
bitmapDrawable.draw(canvas);
return null;
}
}).when(colorDrawable).draw(Mockito.any(Canvas.class));
return colorDrawable;
}
}