fix memory leak by adding Free on font surface

Menu/GameShell/10_Settings/Bluetooth/bluetooth_page.go

@@ -471,7 +471,7 @@ func (self *BleListMessageBox) Draw() {
   
   rect2_ := rect.Rect(x,y,w,h)
   surface.Blit(self.CanvasHWND,my_text,&rect2_,nil)
-  
+  my_text.Free()
 
 }
 

Menu/GameShell/10_Settings/Wifi/wifi.go

@@ -383,7 +383,7 @@ func (self *WifiListMessageBox) Draw() {
   
   rect_2 := rect.Rect(x,y,w,h)
   surface.Blit(self.CanvasHWND,my_text,&rect_2,nil)
-  
+  my_text.Free()
 }
 
 //---------WifiList---------------------------------

sysgo/UI/foot_bar.go

@@ -132,6 +132,11 @@ func (self *FootBar) ReadFootBarIcons( icondir string) {
 		it.AddLabel("game", self.LabelFont)
 		it.Adjust( self.IconWidth/2+i*self.IconWidth, self.IconHeight/2+2, self.IconWidth,self.IconHeight,0)
 		it.IconIndex = i
+    if val, ok := self.Icons[v]; ok {
+      if val.(*FootBarIconItem).ImgSurf != nil {
+          val.(*FootBarIconItem).ImgSurf.Free()
+      }
+    }
 		self.Icons[v] = it
 	}
 }
@@ -177,8 +182,10 @@ func (self *FootBar) UpdateNavText(texts string) {
 		my_text := font.Render(self.LabelFont, text_, true, self.SkinManager.GiveColor("Text"),nil)
 		final_piece  = text_
 		if int(my_text.W) >= left_width {
+      my_text.Free()
 			break
 		}
+    my_text.Free()
 	}
 	
 	fmt.Printf("finalpiece %s\n", final_piece)

sysgo/UI/label.go

@@ -104,6 +104,7 @@ func (self *Label) DrawCenter(bold bool) { // default bold is false
   rect_ := draw.MidRect(self.PosX,self.PosY,self.Width,self.Height,Width,Height)
   
   surface.Blit(self.CanvasHWND,my_text,rect_,nil)
+  my_text.Free()
 }
 
 func (self *Label) Draw() {
@@ -114,5 +115,5 @@ func (self *Label) Draw() {
 	rect_ := rect.Rect(self.PosX,self.PosY,self.Width,self.Height)
 	
 	surface.Blit(self.CanvasHWND,my_text,&rect_,nil)
-	
+	my_text.Free()
 }

sysgo/UI/main_screen.go

@@ -118,6 +118,7 @@ func (self *MessageBox) Draw() {
 
 		dest_rect := rect.Rect(x,y, word_width,word_height)
 		surface.Blit(self.CanvasHWND, word_surface, &dest_rect,nil)
+    word_surface.Free()
 		if len(words) == 1 {
 			x+=word_width
 		} else {

sysgo/UI/multilabel.go

@@ -126,6 +126,7 @@ func (self *MultiLabel) blit_text(surf *sdl.Surface,text string, pos_x,pos_y int
 			}
 			rect_ := rect.Rect(x,y,self.Width,self.Height)
 			surface.Blit(surf,word_surface,&rect_,nil)
+      word_surface.Free()
 			x += (word_width+space)	
 		}
 		x = pos_x

sysgo/UI/text_item.go

@@ -70,5 +70,5 @@ func (self *TextItem) Draw() {
 
 	rect_ := draw.MidRect(self.PosX,self.PosY,self.Width,self.Height,Width,Height)
 	surface.Blit(self.Parent.GetCanvasHWND(),my_text,rect_,nil)
-	
+	my_text.Free()
 }

sysgo/UI/textarea.go

@@ -126,6 +126,7 @@ func (self *Textarea) BuildBlitText() {
 			linenumber += 1
 			blit_rows = append(blit_rows,[]string{})
 		}
+    t.Free()
 	}
 
 	if len(blit_rows) == 1 {
@@ -182,7 +183,7 @@ func (self *Textarea) BlitText() {
 		rect_ := rect.Rect(x,y,0,0)
 		surface.Blit(self.CanvasHWND,t,&rect_,nil)
 		x += surface.GetWidth(t)
-		
+		t.Free()
 	}
 }
 
@@ -210,11 +211,13 @@ func (self *Textarea) Cursor() {
 			break
 		}
 		x += surface.GetWidth(t)
+    t.Free()
 	}
 
 	c_t := font.Render(self.FontObj,"_",true,&color.Color{0,0,0,255},nil)
 	rect_ := rect.Rect(x+1,y-2,0,0)
 	surface.Blit(self.CanvasHWND,c_t,&rect_,nil)
+  c_t.Free()
 }
 
 func (self *Textarea) Draw() {

sysgo/UI/title_bar.go

@@ -469,11 +469,13 @@ func (self *TitleBar) Draw(title string) {
 	title_text_surf := font.Render(self.TitleFont, self.Title, true, self.SkinManager.GiveColor("Text"),nil)
 	
 	surface.Blit(self.CanvasHWND,title_text_surf, draw.MidRect(title_text_w/2+self.LOffset,title_text_h/2+(self.BarHeight-title_text_h)/2,title_text_w,title_text_h,Width,Height),nil)
-
+  title_text_surf.Free()
 
 	time_text_surf := font.Render(self.TimeFont, cur_time,true,self.SkinManager.GiveColor("Text"),nil)
 	surface.Blit(self.CanvasHWND, time_text_surf, draw.MidRect(Width-time_text_w/2-self.ROffset, time_text_h/2+(self.BarHeight-time_text_h)/2, time_text_w,time_text_h,Width,Height),nil)
   
+  time_text_surf.Free()
+  
 	start_x := Width - time_text_w - self.ROffset - self.IconWidth*3 // close to the time_text
   
   self.Icons["bluetooth"].NewCoord(start_x - self.IconWidth,self.IconHeight/2+(self.BarHeight-self.IconHeight)/2)