Some corrections for 204.

src/pdf/XPDFRenderer.cpp

@@ -151,7 +151,7 @@ void XPDFRenderer::render(QPainter *p, int pageNumber, const QRectF &bounds)
 	}
 }
 
-QImage* XPDFRenderer::createPDFImage(int pageNumber, const qreal xscale, const qreal yscale, const QRectF &bounds)
+QImage* XPDFRenderer::createPDFImage(int pageNumber, qreal xscale, qreal yscale, const QRectF &bounds)
 {
     if (isValid())
     {
@@ -169,7 +169,7 @@ QImage* XPDFRenderer::createPDFImage(int pageNumber, const qreal xscale, const q
 
         if (bounds.isNull())
         {
-			mDocument->displayPage(mSplash, pageNumber, this->dpiForRendering, this->dpiForRendering,
+			mDocument->displayPage(mSplash, pageNumber, this->dpiForRendering * xscale, this->dpiForRendering *yscale,
                                    rotation, useMediaBox, crop, printing);
         }
         else
@@ -179,7 +179,7 @@ QImage* XPDFRenderer::createPDFImage(int pageNumber, const qreal xscale, const q
             qreal sliceW = bounds.width() * xscale;
             qreal sliceH = bounds.height() * yscale;
 
-            mDocument->displayPageSlice(mSplash, pageNumber, this->dpiForRendering, this->dpiForRendering,
+            mDocument->displayPageSlice(mSplash, pageNumber, this->dpiForRendering * xscale, this->dpiForRendering * yscale,
 				rotation, useMediaBox, crop, printing, mSliceX, mSliceY, sliceW, sliceH);
         }
 

src/pdf/XPDFRenderer.h

@@ -48,7 +48,7 @@ class XPDFRenderer : public PDFRenderer
 
     private:
         void init();
-        QImage* createPDFImage(int pageNumber, const qreal xscale = 0.5, const qreal yscale = 0.5, const QRectF &bounds = QRectF());
+        QImage* createPDFImage(int pageNumber, qreal xscale = 0.5, qreal yscale = 0.5, const QRectF &bounds = QRectF());
 
         PDFDoc *mDocument;
         static QAtomicInt sInstancesCount;