shumeng/xqwatch
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

feat: 二维码添加圆角效果

Browse Source 
使用 Canvas + PorterDuff 裁剪，6%圆角半径

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
This commit is contained in:
dongliang
2026-04-27 17:39:01 +09:30
parent 3271e704d6
commit b9a84cb48c
1 changed files with 16 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

18
app/src/main/java/com/xiaoqu/watch/ui/bind/BindFragment.kt
View File

@@ -86,10 +86,11 @@ class BindFragment : BaseFragment<FragmentBindBinding>() {
} }
} }
/** 将 ZXing BitMatrix 转换为 Android Bitmap */ /** 将 ZXing BitMatrix 转换为圆角 Android Bitmap */
private fun bitMatrixToBitmap(matrix: BitMatrix): Bitmap { private fun bitMatrixToBitmap(matrix: BitMatrix): Bitmap {
val width = matrix.width val width = matrix.width
val height = matrix.height val height = matrix.height
// 先生成方形 Bitmap
val pixels = IntArray(width * height) val pixels = IntArray(width * height)
for (y in 0 until height) { for (y in 0 until height) {
for (x in 0 until width) { for (x in 0 until width) {
@@ -100,7 +101,20 @@ class BindFragment : BaseFragment<FragmentBindBinding>() {
} }
} }
} }
return Bitmap.createBitmap(pixels, width, height, Bitmap.Config.ARGB_8888) val squareBitmap = Bitmap.createBitmap(pixels, width, height, Bitmap.Config.ARGB_8888)
// 绘制圆角
val output = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888)
val canvas = android.graphics.Canvas(output)
val paint = android.graphics.Paint(android.graphics.Paint.ANTI_ALIAS_FLAG)
val rect = android.graphics.RectF(0f, 0f, width.toFloat(), height.toFloat())
val radius = width * 0.06f // 6% 圆角
canvas.drawRoundRect(rect, radius, radius, paint)
paint.xfermode = android.graphics.PorterDuffXfermode(android.graphics.PorterDuff.Mode.SRC_IN)
canvas.drawBitmap(squareBitmap, 0f, 0f, paint)
squareBitmap.recycle()
return output
} }
/** /**