Some image change

IntelliPhoto/Painting/Image/IntelliShapedImage.cpp

@@ -0,0 +1,48 @@
+#include"Image/IntelliShapedImage.h"
+#include"IntelliHelper/IntelliHelper.h"
+#include<QPainter>
+#include<QRect>
+#include<QDebug>
+
+IntelliShapedImage::IntelliShapedImage(int weight, int height)
+    :IntelliImage(weight, height){
+}
+
+IntelliShapedImage::~IntelliShapedImage(){
+
+}
+
+
+QImage IntelliShapedImage::getDisplayable(const QSize& displaySize){
+    QImage copy = imageData;
+    QPoint extrem(copy.width()+1, 0);
+    QPoint startPoint(0,0);
+    //traverse through y direction
+    for(int y = 0; y<copy.height(); y++){
+        extrem.setY(y);
+        startPoint.setY(y);
+        //traverse through x dircetion
+        for(int x=0; x<copy.width(); x++){
+            startPoint.setX(x);
+            //traverse all edges
+            int cutNumber = 0;
+            for(size_t i=0; i<polygonData.size()-1; i++){
+                QPoint& start = polygonData[i];
+                QPoint& end = polygonData[i+1];
+                cutNumber += IntelliHelper::hasIntersection(startPoint, extrem, start, end);
+            }
+            //check if zhe cutNumber is Even -> not in Polygon
+            if(!(cutNumber&1)){
+                QColor tmpColor(copy.color(y*copy.width()+x));
+                tmpColor.setAlpha(0);
+                copy.setPixelColor(startPoint,tmpColor);
+            }
+        }
+    }
+    return copy.scaled(displaySize,Qt::IgnoreAspectRatio);
+}
+
+void IntelliShapedImage::setPolygon(const std::vector<QPoint>& polygonData){
+    this->polygonData=polygonData;
+    return;
+}