21561
9 months ago
parent
69eab36df9
commit
731a763d8e
@ -1,22 +0,0 @@ |
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package com.github.tvbox.osc.util; |
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import android.graphics.Bitmap; |
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import android.graphics.BitmapFactory; |
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import android.util.Base64; |
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/** |
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*base64图片 |
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* @version 1.0.0 <br/> |
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*/ |
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public class Base64Img { |
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public static boolean isBase64Image(String picUrl) { |
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return picUrl.startsWith("data:image"); |
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} |
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public static Bitmap decodeBase64ToBitmap(String base64Str) { |
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// 去掉 Base64 数据的头部前缀，例如 "data:image/png;base64,"
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String base64Data = base64Str.substring(base64Str.indexOf(",") + 1); |
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byte[] decodedBytes = Base64.decode(base64Data, Base64.DEFAULT); |
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return BitmapFactory.decodeByteArray(decodedBytes, 0, decodedBytes.length); |
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} |
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} |
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@ -0,0 +1,78 @@ |
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package com.github.tvbox.osc.util; |
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import android.graphics.Bitmap; |
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import android.graphics.BitmapFactory; |
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import android.graphics.Canvas; |
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import android.graphics.Color; |
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import android.graphics.Paint; |
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import android.graphics.RectF; |
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import android.graphics.drawable.BitmapDrawable; |
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import android.graphics.drawable.Drawable; |
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import android.util.Base64; |
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import com.github.tvbox.osc.base.App; |
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import java.util.HashMap; |
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import java.util.Map; |
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import java.util.Random; |
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import me.jessyan.autosize.utils.AutoSizeUtils; |
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/** |
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*base64图片 |
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* @version 1.0.0 <br/> |
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*/ |
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public class ImgUtil { |
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private static final Map<String, Drawable> drawableCache = new HashMap<>(); |
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public static boolean isBase64Image(String picUrl) { |
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return picUrl.startsWith("data:image"); |
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} |
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public static Bitmap decodeBase64ToBitmap(String base64Str) { |
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// 去掉 Base64 数据的头部前缀，例如 "data:image/png;base64,"
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String base64Data = base64Str.substring(base64Str.indexOf(",") + 1); |
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byte[] decodedBytes = Base64.decode(base64Data, Base64.DEFAULT); |
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return BitmapFactory.decodeByteArray(decodedBytes, 0, decodedBytes.length); |
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} |
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public static Drawable createTextDrawable(String text) { |
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if(text.isEmpty())text="J"; |
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text=text.substring(0, 1); |
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// 如果缓存中已存在，直接返回
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if (drawableCache.containsKey(text)) { |
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return drawableCache.get(text); |
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} |
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int width = 150, height = 200; // 设定图片大小
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int randomColor = getRandomColor(); |
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float cornerRadius = AutoSizeUtils.mm2px(App.getInstance(), 5); // 圆角半径
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Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); |
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Canvas canvas = new Canvas(bitmap); |
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// 画圆角背景
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Paint paint = new Paint(Paint.ANTI_ALIAS_FLAG); |
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paint.setColor(randomColor); |
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paint.setStyle(Paint.Style.FILL); |
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RectF rectF = new RectF(0, 0, width, height); |
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canvas.drawRoundRect(rectF, cornerRadius, cornerRadius, paint); |
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paint.setColor(Color.WHITE); // 文字颜色
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paint.setTextSize(50); // 文字大小
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paint.setTextAlign(Paint.Align.CENTER); |
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Paint.FontMetrics fontMetrics = paint.getFontMetrics(); |
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float x = width / 2f; |
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float y = (height - fontMetrics.bottom - fontMetrics.top) / 2f; |
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canvas.drawText(text, x, y, paint); |
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Drawable drawable = new BitmapDrawable(bitmap); |
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drawableCache.put(text, drawable); |
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return drawable; |
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} |
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public static int getRandomColor() { |
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Random random = new Random(); |
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return Color.argb(255, random.nextInt(256), random.nextInt(256), random.nextInt(256)); |
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} |
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public static void clearCache() { |
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drawableCache.clear(); |
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} |
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} |
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