我想爲視圖添加邊框,邊框寬度,顏色,半徑可以由用戶設置。所以我試圖爲它畫一個矩形。當我使用drawRoundRect繪製時,拐角處的線不平滑,比其他位置更粗。我不知道如何解決它。請給我一些指導。有沒有其他方法可以做到這一點?我必須使用代碼來繪製它。如何使邊框更加平滑
非常感謝。 附代碼:矩形的紅色角落。 過去代碼:
public class MPCTextView extends TextView {
// private Context context;
private final static String TAG = "MPCTextView";
public final static int DEFAULT_BACKGROUND_COLOR = Color
.parseColor("#28FF28");
public final static int DEFAULT_BORDER_COLOR = Color.parseColor("#FF0000");
public int mBoderWidth = 2;
public int mBoderColor;
public int mBoderRadius = 20;
public int mbackgroundColor;
public boolean isHaveBorder = true;
public boolean isHaveBackground = true;
RectF mRectF = new RectF();
Rect mRec = new Rect();
Paint mPaint = new Paint();
public MPCTextView(Context context) {
super(context);
// this.context = context;
}
@Override
protected void onDraw(Canvas canvas) {
// try to add a boder for this view.
canvas.getClipBounds(mRec);
// draw background
// canvas.drawColor(mbackgroundColor);
mPaint.setStyle(Paint.Style.FILL);
mPaint.setColor(DEFAULT_BACKGROUND_COLOR);
if (mBoderRadius > 0) {
mRectF.set(mRec);
canvas.drawRoundRect(mRectF, mBoderRadius, mBoderRadius, mPaint);
} else {
canvas.drawRect(mRec, mPaint);
}
mPaint.setStyle(Paint.Style.STROKE);
mPaint.setStrokeWidth(mBoderWidth);
mPaint.setColor(DEFAULT_BORDER_COLOR);
mPaint.setAntiAlias(true);
if (mBoderRadius > 0) {
mRectF.set(mRec);
canvas.drawRoundRect(mRectF, mBoderRadius, mBoderRadius, mPaint);
} else {
canvas.drawRect(mRec, mPaint);
}
super.onDraw(canvas);
}
非常感謝你。實際上,我已將它添加到我的代碼中。但對我來說這還不夠好。你有其他想法嗎? – mmm2006
mPaint.setDither(true); – Blackbelt
沒有效果。 :(任何其他解決方案? – mmm2006