package com.recruit.app.ui.common;
import android.content.res.ColorStateList;
import android.graphics.Bitmap;
import android.graphics.Bitmap.Config;
import android.graphics.BitmapShader;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.ColorFilter;
import android.graphics.Matrix;
import android.graphics.Paint;
import android.graphics.PixelFormat;
import android.graphics.Rect;
import android.graphics.RectF;
import android.graphics.Shader;
import android.graphics.drawable.BitmapDrawable;
import android.graphics.drawable.ColorDrawable;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.LayerDrawable;
import android.util.Log;
import android.widget.ImageView.ScaleType;
/**
* jyu - 1/4/14.
*/
public class RoundedDrawable extends Drawable {
public static final String TAG = "RoundedDrawable";
public static final int DEFAULT_BORDER_COLOR = Color.BLACK;
private final RectF mBounds = new RectF();
private final RectF mDrawableRect = new RectF();
private final RectF mBitmapRect = new RectF();
private final BitmapShader mBitmapShader;
private final Paint mBitmapPaint;
private final int mBitmapWidth;
private final int mBitmapHeight;
private final RectF mBorderRect = new RectF();
private final Paint mBorderPaint;
private final Matrix mShaderMatrix = new Matrix();
private float mCornerRadius = 0;
private boolean mOval = false;
private float mBorderWidth = 0;
private ColorStateList mBorderColor = ColorStateList.valueOf(DEFAULT_BORDER_COLOR);
private ScaleType mScaleType = ScaleType.FIT_XY;
public RoundedDrawable(Bitmap bitmap) {
mBitmapWidth = bitmap.getWidth();
mBitmapHeight = bitmap.getHeight();
mBitmapRect.set(0, 0, mBitmapWidth, mBitmapHeight);
mBitmapShader = new BitmapShader(bitmap, Shader.TileMode.CLAMP, Shader.TileMode.CLAMP);
mBitmapShader.setLocalMatrix(mShaderMatrix);
mBitmapPaint = new Paint();
mBitmapPaint.setStyle(Paint.Style.FILL);
mBitmapPaint.setAntiAlias(true);
mBitmapPaint.setShader(mBitmapShader);
mBorderPaint = new Paint();
mBorderPaint.setStyle(Paint.Style.STROKE);
mBorderPaint.setAntiAlias(true);
mBorderPaint.setColor(mBorderColor.getColorForState(getState(), DEFAULT_BORDER_COLOR));
mBorderPaint.setStrokeWidth(mBorderWidth);
}
public static Drawable fromBitmap(Bitmap bitmap) {
if (bitmap != null) {
return new RoundedDrawable(bitmap);
} else {
return null;
}
}
public static Drawable fromDrawable(Drawable drawable) {
if (drawable != null) {
if (drawable instanceof RoundedDrawable) {
// just return if it's already a RoundedDrawable
return drawable;
} else if (drawable instanceof ColorDrawable) {
// FIXME we don't support ColorDrawables yet
return drawable;
} else if (drawable instanceof LayerDrawable) {
LayerDrawable ld = (LayerDrawable) drawable;
int num = ld.getNumberOfLayers();
// loop through layers to and change to RoundedDrawables if possible
for (int i = 0; i < num; i++) {
Drawable d = ld.getDrawable(i);
ld.setDrawableByLayerId(ld.getId(i), fromDrawable(d));
}
return ld;
}
// try to get a bitmap from the drawable and
Bitmap bm = drawableToBitmap(drawable);
if (bm != null) {
return new RoundedDrawable(bm);
} else {
Log.w(TAG, "Failed to create bitmap from drawable!");
}
}
return drawable;
}
public static Bitmap drawableToBitmap(Drawable drawable) {
if (drawable instanceof BitmapDrawable) {
return ((BitmapDrawable) drawable).getBitmap();
}
Bitmap bitmap;
int width = drawable.getIntrinsicWidth();
int height = drawable.getIntrinsicHeight();
if (width > 0 && height > 0) {
bitmap = Bitmap.createBitmap(width, height, Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
drawable.draw(canvas);
} else {
bitmap = null;
}
return bitmap;
}
@Override
public boolean isStateful() {
return mBorderColor.isStateful();
}
@Override
protected boolean onStateChange(int[] state) {
int newColor = mBorderColor.getColorForState(state, 0);
if (mBorderPaint.getColor() != newColor) {
mBorderPaint.setColor(newColor);
return true;
} else {
return super.onStateChange(state);
}
}
private void updateShaderMatrix() {
mBorderRect.set(mBounds);
mDrawableRect.set(mBorderWidth, mBorderWidth, mBorderRect.width() - mBorderWidth, mBorderRect.height() - mBorderWidth);
float scale;
float dx;
float dy;
switch (mScaleType) {
case CENTER:
mBorderRect.set(mBounds);
mDrawableRect.set(mBorderWidth, mBorderWidth, mBorderRect.width() - mBorderWidth, mBorderRect.height() - mBorderWidth);
mShaderMatrix.set(null);
mShaderMatrix.setTranslate((int) ((mDrawableRect.width() - mBitmapWidth) * 0.5f + 0.5f), (int) ((mDrawableRect.height() - mBitmapHeight) * 0.5f + 0.5f));
break;
case CENTER_CROP:
mBorderRect.set(mBounds);
mDrawableRect.set(mBorderWidth, mBorderWidth, mBorderRect.width() - mBorderWidth, mBorderRect.height() - mBorderWidth);
mShaderMatrix.set(null);
dx = 0;
dy = 0;
if (mBitmapWidth * mDrawableRect.height() > mDrawableRect.width() * mBitmapHeight) {
scale = mDrawableRect.height() / (float) mBitmapHeight;
dx = (mDrawableRect.width() - mBitmapWidth * scale) * 0.5f;
} else {
scale = mDrawableRect.width() / (float) mBitmapWidth;
dy = (mDrawableRect.height() - mBitmapHeight * scale) * 0.5f;
}
mShaderMatrix.setScale(scale, scale);
mShaderMatrix.postTranslate((int) (dx + 0.5f) + mBorderWidth, (int) (dy + 0.5f) + mBorderWidth);
break;
case CENTER_INSIDE:
mShaderMatrix.set(null);
if (mBitmapWidth <= mBounds.width() && mBitmapHeight <= mBounds.height()) {
scale = 1.0f;
} else {
scale = Math.min(mBounds.width() / (float) mBitmapWidth,
mBounds.height() / (float) mBitmapHeight);
}
dx = (int) ((mBounds.width() - mBitmapWidth * scale) * 0.5f + 0.5f);
dy = (int) ((mBounds.height() - mBitmapHeight * scale) * 0.5f + 0.5f);
mShaderMatrix.setScale(scale, scale);
mShaderMatrix.postTranslate(dx, dy);
mBorderRect.set(mBitmapRect);
mShaderMatrix.mapRect(mBorderRect);
mDrawableRect.set(mBorderRect.left + mBorderWidth, mBorderRect.top + mBorderWidth, mBorderRect.right - mBorderWidth, mBorderRect.bottom - mBorderWidth);
mShaderMatrix.setRectToRect(mBitmapRect, mDrawableRect, Matrix.ScaleToFit.FILL);
break;
case FIT_CENTER:
mBorderRect.set(mBitmapRect);
mShaderMatrix.setRectToRect(mBitmapRect, mBounds, Matrix.ScaleToFit.CENTER);
mShaderMatrix.mapRect(mBorderRect);
mDrawableRect.set(mBorderRect.left + mBorderWidth, mBorderRect.top + mBorderWidth, mBorderRect.right - mBorderWidth, mBorderRect.bottom - mBorderWidth);
mShaderMatrix.setRectToRect(mBitmapRect, mDrawableRect, Matrix.ScaleToFit.FILL);
break;
case FIT_END:
mBorderRect.set(mBitmapRect);
mShaderMatrix.setRectToRect(mBitmapRect, mBounds, Matrix.ScaleToFit.END);
mShaderMatrix.mapRect(mBorderRect);
mDrawableRect.set(mBorderRect.left + mBorderWidth, mBorderRect.top + mBorderWidth, mBorderRect.right - mBorderWidth, mBorderRect.bottom - mBorderWidth);
mShaderMatrix.setRectToRect(mBitmapRect, mDrawableRect, Matrix.ScaleToFit.FILL);
break;
case FIT_START:
mBorderRect.set(mBitmapRect);
mShaderMatrix.setRectToRect(mBitmapRect, mBounds, Matrix.ScaleToFit.START);
mShaderMatrix.mapRect(mBorderRect);
mDrawableRect.set(mBorderRect.left + mBorderWidth, mBorderRect.top + mBorderWidth, mBorderRect.right - mBorderWidth, mBorderRect.bottom - mBorderWidth);
mShaderMatrix.setRectToRect(mBitmapRect, mDrawableRect, Matrix.ScaleToFit.FILL);
break;
case FIT_XY:
default:
mBorderRect.set(mBounds);
mDrawableRect.set(0 + mBorderWidth, 0 + mBorderWidth, mBorderRect.width() - mBorderWidth, mBorderRect.height() - mBorderWidth);
mShaderMatrix.set(null);
mShaderMatrix.setRectToRect(mBitmapRect, mDrawableRect, Matrix.ScaleToFit.FILL);
break;
}
mBorderRect.inset(mBorderWidth / 2, mBorderWidth / 2);
mBitmapShader.setLocalMatrix(mShaderMatrix);
}
@Override
protected void onBoundsChange(Rect bounds) {
super.onBoundsChange(bounds);
mBounds.set(bounds);
updateShaderMatrix();
}
@Override
public void draw(Canvas canvas) {
if (mOval) {
if (mBorderWidth > 0) {
canvas.drawOval(mBorderRect, mBorderPaint);
canvas.drawOval(mDrawableRect, mBitmapPaint);
} else {
canvas.drawOval(mDrawableRect, mBitmapPaint);
}
} else {
if (mBorderWidth > 0) {
canvas.drawRoundRect(mBorderRect, mCornerRadius, mCornerRadius, mBorderPaint);
canvas.drawRoundRect(mDrawableRect, Math.max(mCornerRadius - mBorderWidth, 0), Math.max(mCornerRadius - mBorderWidth, 0), mBitmapPaint);
} else {
canvas.drawRoundRect(mDrawableRect, mCornerRadius, mCornerRadius, mBitmapPaint);
}
}
}
@Override
public int getOpacity() {
return PixelFormat.TRANSLUCENT;
}
@Override
public void setAlpha(int alpha) {
mBitmapPaint.setAlpha(alpha);
invalidateSelf();
}
@Override
public void setColorFilter(ColorFilter cf) {
mBitmapPaint.setColorFilter(cf);
invalidateSelf();
}
@Override
public void setDither(boolean dither) {
mBitmapPaint.setDither(dither);
invalidateSelf();
}
@Override
public void setFilterBitmap(boolean filter) {
mBitmapPaint.setFilterBitmap(filter);
invalidateSelf();
}
@Override
public int getIntrinsicWidth() {
return mBitmapWidth;
}
@Override
public int getIntrinsicHeight() {
return mBitmapHeight;
}
public float getCornerRadius() {
return mCornerRadius;
}
public RoundedDrawable setCornerRadius(float radius) {
mCornerRadius = radius;
return this;
}
public float getBorderWidth() {
return mBorderWidth;
}
public RoundedDrawable setBorderWidth(int width) {
mBorderWidth = width;
mBorderPaint.setStrokeWidth(mBorderWidth);
return this;
}
public int getBorderColor() {
return mBorderColor.getDefaultColor();
}
public RoundedDrawable setBorderColor(int color) {
return setBorderColors(ColorStateList.valueOf(color));
}
public ColorStateList getBorderColors() {
return mBorderColor;
}
public RoundedDrawable setBorderColors(ColorStateList colors) {
mBorderColor = colors != null ? colors : ColorStateList.valueOf(0);
mBorderPaint.setColor(mBorderColor.getColorForState(getState(), DEFAULT_BORDER_COLOR));
return this;
}
public boolean isOval() {
return mOval;
}
public RoundedDrawable setOval(boolean oval) {
mOval = oval;
return this;
}
public ScaleType getScaleType() {
return mScaleType;
}
public RoundedDrawable setScaleType(ScaleType scaleType) {
if (scaleType == null) {
scaleType = ScaleType.FIT_XY;
}
if (mScaleType != scaleType) {
mScaleType = scaleType;
updateShaderMatrix();
}
return this;
}
}