设计完成30%

tests/a01-asset-alpha-audit.ps1

@@ -11,12 +11,15 @@ $backgrounds = @(
 $icons = @(
   'static/assets/foundation/transparent/auth-login-outline.png',
   'static/assets/foundation/transparent/auth-wechat.png',
-  'static/assets/foundation/transparent/auth-button-corner.png',
   'static/assets/foundation/transparent/auth-divider-knot.png',
   'static/assets/foundation/transparent/auth-title-cloud.png'
 )
+$buttons = @(
+  'static/assets/foundation/opaque/a01-primary-button.png',
+  'static/assets/foundation/opaque/a01-secondary-button.png'
+)
 
-foreach ($asset in $backgrounds + $icons) {
+foreach ($asset in $backgrounds + $icons + $buttons) {
   if (-not (Test-Path -LiteralPath (Join-Path $root $asset))) {
     throw "Missing A01 asset: $asset"
   }
@@ -41,7 +44,6 @@ foreach ($asset in $icons) {
   $bitmap.Dispose()
 
   $expectedSize = switch ($asset) {
-    'static/assets/foundation/transparent/auth-button-corner.png' { @(160, 160) }
     'static/assets/foundation/transparent/auth-divider-knot.png' { @(160, 96) }
     'static/assets/foundation/transparent/auth-title-cloud.png' { @(200, 120) }
     default { @(96, 96) }
@@ -52,4 +54,30 @@ foreach ($asset in $icons) {
   Write-Output "PASS $asset transparent corners and visible artwork"
 }
 
+foreach ($asset in $buttons) {
+  $bitmap = [System.Drawing.Bitmap]::FromFile((Join-Path $root $asset))
+  $width = [int]$bitmap.Width
+  $height = [int]$bitmap.Height
+  $corners = @(
+    $bitmap.GetPixel(0, 0).A,
+    $bitmap.GetPixel(($width - 1), 0).A,
+    $bitmap.GetPixel(0, ($height - 1)).A,
+    $bitmap.GetPixel(($width - 1), ($height - 1)).A
+  )
+  $chromaPixels = 0
+  for ($y = 0; $y -lt $height; $y++) {
+    for ($x = 0; $x -lt $width; $x++) {
+      $pixel = $bitmap.GetPixel($x, $y)
+      if ($pixel.G - [Math]::Max($pixel.R, $pixel.B) -gt 80 -and $pixel.G -gt 120) { $chromaPixels++ }
+    }
+  }
+  $bitmap.Dispose()
+
+  $ratio = [double]$width / $height
+  if ([Math]::Abs($ratio - 4.492) -gt 0.01) { throw "$asset must keep the approved 4.492:1 button ratio." }
+  if (($corners | Where-Object { $_ -ne 255 }).Count -ne 0) { throw "$asset must have opaque outer corners." }
+  if ($chromaPixels -ne 0) { throw "$asset retains chroma-key green pixels." }
+  Write-Output "PASS $asset opaque corners and approved button ratio"
+}
+
 Write-Output 'A01-ASSET-ALPHA-AUDIT PASS'