ImageUtils.java 文件源码

/**
 * 添加文字水印
 *
 * @param src      源图片
 * @param content  水印文本
 * @param textSize 水印字体大小
 * @param color    水印字体颜色
 * @param x        起始坐标x
 * @param y        起始坐标y
 * @param recycle  是否回收
 * @return 带有文字水印的图片
 */
public static Bitmap addTextWatermark(final Bitmap src,
                                      final String content,
                                      final float textSize,
                                      final int color,
                                      final float x,
                                      final float y,
                                      final boolean recycle) {
    if (isEmptyBitmap(src) || content == null) return null;
    Bitmap ret = src.copy(src.getConfig(), true);
    Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG);
    Canvas canvas = new Canvas(ret);
    paint.setColor(color);
    paint.setTextSize(textSize);
    Rect bounds = new Rect();
    paint.getTextBounds(content, 0, content.length(), bounds);
    canvas.drawText(content, x, y + textSize, paint);
    if (recycle && !src.isRecycled()) src.recycle();
    return ret;
}