tenkuma/jamfish
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Circle view will show black checkmark if background is white.

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This commit is contained in:
Aidan Follestad 2015-04-21 14:53:27 -05:00
commit a78ca26b05
1 changed files with 31 additions and 20 deletions
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51
app/src/main/java/com/kabouzeid/gramophone/views/CircleView.java
View file

@ -1,4 +1,4 @@
package com.kabouzeid.gramophone.views; package com.afollestad.cabinet.views;
import android.content.Context; import android.content.Context;
import android.graphics.Bitmap; import android.graphics.Bitmap;
@ -7,43 +7,47 @@ import android.graphics.Canvas;
import android.graphics.Color; import android.graphics.Color;
import android.graphics.Matrix; import android.graphics.Matrix;
import android.graphics.Paint; import android.graphics.Paint;
import android.graphics.PorterDuff;
import android.graphics.PorterDuffColorFilter;
import android.util.AttributeSet; import android.util.AttributeSet;
import android.widget.FrameLayout; import android.widget.FrameLayout;
import com.kabouzeid.gramophone.R; import com.afollestad.cabinet.R;
public class CircleView extends FrameLayout { public class CircleView extends FrameLayout {
private final Bitmap mCheck; private final Bitmap mCheck;
private final Paint paint; private final Paint paint;
private final Paint paintBorder; private final Paint paintBorder;
private Paint paintCheck;
private final int borderWidth; private final int borderWidth;
public CircleView(Context context) { public CircleView(Context context) {
this(context, null, 0); this(context, null, 0);
} }
public CircleView(Context context, AttributeSet attrs) { public CircleView(Context context, AttributeSet attrs) {
this(context, attrs, 0); this(context, attrs, 0);
} }
public CircleView(Context context, AttributeSet attrs, int defStyleAttr) { public CircleView(Context context, AttributeSet attrs, int defStyleAttr) {
super(context, attrs, defStyleAttr); super(context, attrs, defStyleAttr);
final int checkSize = (int) context.getResources().getDimension(R.dimen.circle_view_check); final int checkSize = (int) context.getResources().getDimension(R.dimen.circle_view_check);
mCheck = getResizedBitmap(BitmapFactory.decodeResource(context.getResources(), mCheck = getResizedBitmap(BitmapFactory.decodeResource(context.getResources(),
R.drawable.ic_check), checkSize, checkSize); R.drawable.ic_check), checkSize, checkSize);
borderWidth = (int) getResources().getDimension(R.dimen.circle_view_border); borderWidth = (int) getResources().getDimension(R.dimen.circle_view_border);
paint = new Paint(); paint = new Paint();
paint.setAntiAlias(true); paint.setAntiAlias(true);
paintBorder = new Paint(); paintBorder = new Paint();
paintBorder.setAntiAlias(true); paintBorder.setAntiAlias(true);
paintBorder.setColor(Color.BLACK); paintBorder.setColor(Color.BLACK);
setWillNotDraw(false); setWillNotDraw(false);
} }
private static Bitmap getResizedBitmap(Bitmap bm, int newHeight, int newWidth) { private static Bitmap getResizedBitmap(Bitmap bm, int newHeight, int newWidth) {
int width = bm.getWidth(); int width = bm.getWidth();
int height = bm.getHeight(); int height = bm.getHeight();
@ -55,20 +59,20 @@ public class CircleView extends FrameLayout {
bm.recycle(); bm.recycle();
return resizedBitmap; return resizedBitmap;
} }
@Override @Override
public void setBackgroundColor(int color) { public void setBackgroundColor(int color) {
paint.setColor(color); paint.setColor(color);
requestLayout(); requestLayout();
invalidate(); invalidate();
} }
public void setBorderColor(int color) { public void setBorderColor(int color) {
paintBorder.setColor(color); paintBorder.setColor(color);
requestLayout(); requestLayout();
invalidate(); invalidate();
} }
@Override @Override
protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) { protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {
int widthMode = MeasureSpec.getMode(widthMeasureSpec); int widthMode = MeasureSpec.getMode(widthMeasureSpec);
@ -84,22 +88,29 @@ public class CircleView extends FrameLayout {
super.onMeasure(widthMeasureSpec, heightMeasureSpec); super.onMeasure(widthMeasureSpec, heightMeasureSpec);
} }
} }
@Override @Override
protected void onDraw(Canvas canvas) { protected void onDraw(Canvas canvas) {
super.onDraw(canvas); super.onDraw(canvas);
int canvasSize = canvas.getWidth(); int canvasSize = canvas.getWidth();
if (canvas.getHeight() < canvasSize) if (canvas.getHeight() < canvasSize)
canvasSize = canvas.getHeight(); canvasSize = canvas.getHeight();
int circleCenter = (canvasSize - (borderWidth * 2)) / 2; int circleCenter = (canvasSize - (borderWidth * 2)) / 2;
canvas.drawCircle(circleCenter + borderWidth, circleCenter + borderWidth, ((canvasSize - (borderWidth * 2)) / 2) + borderWidth - 4.0f, paintBorder); canvas.drawCircle(circleCenter + borderWidth, circleCenter + borderWidth, ((canvasSize - (borderWidth * 2)) / 2) + borderWidth - 4.0f, paintBorder);
canvas.drawCircle(circleCenter + borderWidth, circleCenter + borderWidth, ((canvasSize - (borderWidth * 2)) / 2) - 4.0f, paint); canvas.drawCircle(circleCenter + borderWidth, circleCenter + borderWidth, ((canvasSize - (borderWidth * 2)) / 2) - 4.0f, paint);
if (isActivated()) { if (isActivated()) {
final int offset = (canvasSize / 2) - (mCheck.getWidth() / 2); final int offset = (canvasSize / 2) - (mCheck.getWidth() / 2);
canvas.drawBitmap(mCheck, offset, offset, null); if (paint.getColor() == Color.WHITE && paintCheck == null) {
paintCheck = new Paint();
paintCheck.setAntiAlias(true);
paintCheck.setColorFilter(new PorterDuffColorFilter(Color.BLACK, PorterDuff.Mode.SRC_IN));
} else {
paintCheck = null;
}
canvas.drawBitmap(mCheck, offset, offset, paintCheck);
} }
} }
} }