set value bug fix

Author: yourtion

Demo-CustomQRCore/ViewController.m

@@ -88,11 +88,11 @@ - (UIImage*)imageBlackToTransparent:(UIImage*)image withRed:(CGFloat)red andGree
     uint32_t* pCurPtr = rgbImageBuf;
     for (int i = 0; i < pixelNum; i++, pCurPtr++){
         if ((*pCurPtr & 0xFFFFFF00) < 0x99999900){
-            // 改成下面的代码，会将图片转成想要的颜色
+            // change color
             uint8_t* ptr = (uint8_t*)pCurPtr;
-            ptr[3] = 60; //0~255
-            ptr[2] = 74;
-            ptr[1] = 89;
+            ptr[3] = red; //0~255
+            ptr[2] = green;
+            ptr[1] = blue;
         }else{
             uint8_t* ptr = (uint8_t*)pCurPtr;
             ptr[0] = 0;