diff --git a/DesktopEditor/agg-2.4/include/test_grads/custom_gradients.h b/DesktopEditor/agg-2.4/include/test_grads/custom_gradients.h
index 4924f1c9ad..50b17d52ad 100644
--- a/DesktopEditor/agg-2.4/include/test_grads/custom_gradients.h
+++ b/DesktopEditor/agg-2.4/include/test_grads/custom_gradients.h
@@ -2,6 +2,7 @@
 #include <time.h>
 #include <math.h>
 #include "../../../graphics/AggPlusEnums.h"
+#include "../../../graphics/structures.h"
 #ifndef M_1_PI
 #define M_1_PI 0.318309886183790671538
 #endif
@@ -81,15 +82,41 @@ namespace agg
     class calcRadial : public calcBase
     {
     public:
-        calcRadial(const NSStructures::GradientInfo &_gi)
+        calcRadial(const NSStructures::GradientInfo &_gi) : extend_to_inf_constant(10)
         {
             r0 = _gi.r0;
             r1 = _gi.r1;
             p0 = _gi.p0;
             p1 = _gi.p1;
             ginfo = _gi;
+            extend_back_coef = extend_front_coef = 0;
+           if (ginfo.continue_shading_b)
+           {
+               if (r0 < r1)
+               {
+                    extend_back_coef = r0 / (r1 - r0);
+               }
 
-           
+                else
+                {
+                    extend_back_coef = extend_to_inf_constant;
+                }
+           }
+
+            if (ginfo.continue_shading_f)
+            {
+                if (r1 < r0)
+               {
+                    extend_front_coef = r1 / (r0 - r1);
+               }
+
+                else
+                {
+                    extend_front_coef = extend_to_inf_constant;
+                }
+            }
+
+            var_segment = 1 / (1 + extend_back_coef + extend_front_coef);
         }
 
         virtual float eval(float x, float y) override
@@ -117,12 +144,13 @@ namespace agg
             {
                 return NAN_FLOAT;
             }
-            float x1 = (-b + sqrtf(D)) / 2 / a; 
-            float x2 = (-b - sqrtf(D)) / 2 / a;
+            float x2 = (-b + sqrtf(D)) / 2 / a; 
+            float x1 = (-b - sqrtf(D)) / 2 / a;
 
             if (abs(a) < FLT_EPSILON)
                 x1 = -c / b;
 
+            
             if (0 <= x1 && x1 <= 1)
             {
                 return ginfo.shading.function.get_x_min() + 
@@ -133,18 +161,22 @@ namespace agg
                  return ginfo.shading.function.get_x_min() + 
                     (ginfo.shading.function.get_x_max() - ginfo.shading.function.get_x_min()) * x2;
             }
-            if (ginfo.continue_shading_b)
+            
+            if (ginfo.continue_shading_b && 
+                (0 >= x1 && x1 >= -extend_back_coef ||
+                0 >= x2 && x2 >= -extend_back_coef))
             {
-                if (x1 <= 0 || x2 <= 0)
-                    return ginfo.shading.function.get_x_min();
-
+                return ginfo.shading.function.get_x_min();
             }
-            if (ginfo.continue_shading_f)
+
+
+            if (ginfo.continue_shading_f &&
+                (1 <= x1 && x1 <= 1 + extend_front_coef ||
+                1 <= x2 && x2 <= 1 + extend_front_coef))
             {
-                if (x1 >= 1 || x2 >= 1)
-                    return ginfo.shading.function.get_x_max();
-
+                return ginfo.shading.function.get_x_max();
             }
+            
             return NAN_FLOAT;
         }
         virtual ~calcRadial() {}
@@ -153,6 +185,10 @@ namespace agg
         float r0, r1;
         NSStructures::Point p0,p1;
         NSStructures::GradientInfo ginfo;
+
+        float extend_front_coef, extend_back_coef;
+        float var_segment;
+        float extend_to_inf_constant;
     };
 
      /** 
@@ -218,6 +254,8 @@ namespace agg
         float cx, cy, factor;
         float inverseFactor;
         float invXsize, invYsize;
+
+
     };
 
     /** 
diff --git a/PdfReader/Src/Graphics.cpp b/PdfReader/Src/Graphics.cpp
index 1e11850ba7..f0c1d821d2 100644
--- a/PdfReader/Src/Graphics.cpp
+++ b/PdfReader/Src/Graphics.cpp
@@ -2813,7 +2813,7 @@ namespace PdfReader
 		double dT1 = pShading->GetDomain1();
 		int nComponentsCount = pShading->GetColorSpace()->GetComponentsCount();
 
-		if (0) // Графический тип рендера todo
+		if (true) // Графический тип рендера todo
 		{
 			double xmin, ymin, xmax, ymax;
 			m_pGState->GetUserClipBBox(&xmin, &ymin, &xmax, &ymax);
diff --git a/Test/Applications/gradient/Gradient/mainwindow.cpp b/Test/Applications/gradient/Gradient/mainwindow.cpp
index 6d43a2ca39..f597ed98f9 100644
--- a/Test/Applications/gradient/Gradient/mainwindow.cpp
+++ b/Test/Applications/gradient/Gradient/mainwindow.cpp
@@ -102,7 +102,7 @@ void GenerateImg(QImage &img, std::vector<Point> &points, Info &info) {
 
 void MainWindow::on_RenderPic_clicked()
 {
-
+    /*
     CApplicationFontsWorker oWorker;
     oWorker.m_sDirectory = NSFile::GetProcessDirectory() + L"/fonts_cache";
     oWorker.m_bIsNeedThumbnails = false;
@@ -114,9 +114,11 @@ void MainWindow::on_RenderPic_clicked()
     PDFREADER.LoadFromFile(L"test.pdf");
     int page = ui->lineEdit->text().toInt();
     PDFREADER.ConvertToRaster(page + 1, L"testpdf.bmp", 1);
-      QImage pm("testpdf.bmp");
-   // QImage pm(400, 400, QImage::Format_RGB888);
-   // GenerateImg(pm,  points, info);
+    */
+
+   //   QImage pm("testpdf.bmp");
+    QImage pm(400, 400, QImage::Format_RGB888);
+    GenerateImg(pm,  points, info);
     //setColor2(pm, 0x0000FF);
    //pm.invertPixels();
     ui->lable_test->setPixmap(QPixmap::fromImage(pm));