小优化（编译期计算常量）

COLORREF · COLORREF · commit 0b2c0125c3ec · 2024-10-30T22:49:22.000+08:00
diff --git a/src/utils/imageutils.cpp b/src/utils/imageutils.cpp
@@ -124,8 +124,8 @@ FImage &FImage::verticalUniforBlur(int radius)
 
 FImage &FImage::impulseNoise(double noiseRatio)
 {
-    QRgb white = qRgba(255, 255, 255, 255);
-    QRgb black = qRgba(0, 0, 0, 255);
+    constexpr QRgb white = qRgba(255, 255, 255, 255);
+    constexpr QRgb black = qRgba(0, 0, 0, 255);
     if (noiseRatio > 0.0 && noiseRatio < 1.0)
     {
         for (int x = 0; x < _qimage.width(); x++)

Original file line number	Diff line number	Diff line change
`@@ -124,8 +124,8 @@ FImage &FImage::verticalUniforBlur(int radius)`
`124`	`124`
`125`	`125`	`FImage &FImage::impulseNoise(double noiseRatio)`
`126`	`126`	`{`
`127`		`- QRgb white = qRgba(255, 255, 255, 255);`
`128`		`- QRgb black = qRgba(0, 0, 0, 255);`
	`127`	`+ constexpr QRgb white = qRgba(255, 255, 255, 255);`
	`128`	`+ constexpr QRgb black = qRgba(0, 0, 0, 255);`
`129`	`129`	`if (noiseRatio > 0.0 && noiseRatio < 1.0)`
`130`	`130`	`{`
`131`	`131`	`for (int x = 0; x < _qimage.width(); x++)`