now iOS draws something (upside down)

Change-Id: Ibf04322d34605fce30b2fa477de98a3e2ff9c2d1

ios/shared/ios_sharedlo/objective_c/view_controllers/testing_tiles/MLOTestingTileParametersViewController.m

@@ -39,12 +39,12 @@ static const CGFloat RENDER_BUTTON_HEIGHT = 50.0f;
 }
 
 -(void)initParams{
-    self.params = @[[self createParam:@"contextWidth"   extractor:^(CGFloat value){self.contextWidth = value;} value:100],
-                    [self createParam:@"contextHeight"  extractor:^(CGFloat value){self.contextHeight = value;} value:100],
+    self.params = @[[self createParam:@"contextWidth"   extractor:^(CGFloat value){self.contextWidth = value;} value:300],
+                    [self createParam:@"contextHeight"  extractor:^(CGFloat value){self.contextHeight = value;} value:300],
                     [self createParam:@"tilePosX"       extractor:^(CGFloat value){self.tilePosX = value;} value:0],
                     [self createParam:@"tilePosY"       extractor:^(CGFloat value){self.tilePosY = value;} value:0],
-                    [self createParam:@"tileWidth"      extractor:^(CGFloat value){self.tileWidth = value;} value:100],
-                    [self createParam:@"tileHeight"     extractor:^(CGFloat value){self.tileHeight = value;} value:100]
+                    [self createParam:@"tileWidth"      extractor:^(CGFloat value){self.tileWidth = value;} value:300],
+                    [self createParam:@"tileHeight"     extractor:^(CGFloat value){self.tileHeight = value;} value:300]
                     ];
 }
 

sw/source/core/view/viewsh.cxx

@@ -58,6 +58,7 @@
 #include <vcl/bitmapex.hxx>
 #include <svtools/colorcfg.hxx>
 #include <vcl/bmpacc.hxx>
+#include <vcl/alpha.hxx>
 #include <svtools/accessibilityoptions.hxx>
 #include <accessibilityoptions.hxx>
 #include <statstr.hrc>
@@ -1788,12 +1789,10 @@ void touch_lo_draw_tile(void * context, int contextWidth, int contextHeight, int
         // SystemGraphicsData aData;
         // [setup the aData]
         // VirtualDevice aDevice(&aData, [color depth]);
-        VirtualDevice aDevice;
-        aDevice.SetOutputSizePixel(Size(contextWidth, contextHeight));
-
-        pViewShell->PaintTile(&aDevice, Rectangle(tilePosX, tilePosY, tileWidth, tileHeight));
-        BitmapEx aBitmapEx(aDevice.GetBitmapEx(Point(0,0), aDevice.GetOutputSizePixel()));
-        Bitmap aBitmap = aBitmapEx.GetBitmap();
+        //VirtualDevice aDevice;
+        //aDevice.SetOutputSizePixel(Size(contextWidth, contextHeight));
+        pViewShell->PaintTile(pViewShell->GetOut(), Rectangle(tilePosX, tilePosY, tileWidth, tileHeight));
+        Bitmap aBitmap(pViewShell->GetOut()->GetBitmap(Point(0,0), pViewShell->GetOut()->PixelToLogic(Size(contextWidth, contextHeight))));
         BitmapReadAccess * readAccess = aBitmap.AcquireReadAccess();
         touch_lo_copy_buffer((void *) readAccess->GetBuffer(),
                              tileWidth,