From 7b3ecfffc59d2d980d9f7628365b64c20fe015be Mon Sep 17 00:00:00 2001
From: Runt <qingingrunt2010@qq.com>
Date: Sun, 27 Jul 2025 09:42:03 +0000
Subject: [PATCH] 多个小窗缩放问题修复
---
LiveProject/tool/MetalRenderer.swift | 25 +++++++++++++++++++++++--
1 files changed, 23 insertions(+), 2 deletions(-)
diff --git a/LiveProject/tool/MetalRenderer.swift b/LiveProject/tool/MetalRenderer.swift
index 61bd769..7b73029 100644
--- a/LiveProject/tool/MetalRenderer.swift
+++ b/LiveProject/tool/MetalRenderer.swift
@@ -16,6 +16,7 @@
private var currentPixelBuffer: CVPixelBuffer?
private let textureCache: CVMetalTextureCache
+ private var rotate:Int = 0;
init(mtkView: MTKView) {
guard let device = MTLCreateSystemDefaultDevice(),
@@ -62,8 +63,23 @@
let drawableSize = view.drawableSize
guard drawableSize.width > 0, drawableSize.height > 0 else { return }
- // 加方向修正：顺时针旋转90度
- var ciImage = CIImage(cvPixelBuffer: pixelBuffer).oriented(.right)
+ // 加方向修正
+ var orien:CGImagePropertyOrientation = .up;
+ switch self.rotate{
+ case 90:
+ orien = .right;
+ break;
+ case 180:
+ orien = .down;
+ break;
+ case 270:
+ orien = .left;
+ break;
+ default:
+ orien = .up;
+ }
+ //print(" roate = \(rotate)")
+ var ciImage = CIImage(cvPixelBuffer: pixelBuffer).oriented(orien)
// 等比缩放后居中
let sourceExtent = ciImage.extent
@@ -99,4 +115,9 @@
//刷新
}
+
+ func updateRotate(angle:Int){
+ rotate = angle;
+ }
+
}
--
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