do not ask spectre to rotate pages as it seems not to work at all

fixes rendering of bug210499.ps

svn path=/trunk/KDE/kdegraphics/okular/; revision=1039609

generators/spectre/generator_ghostview.cpp

@@ -240,7 +240,7 @@ void GSGenerator::generatePixmap( Okular::PixmapRequest * req )
     gsreq.textAAbits = textAA;
     gsreq.graphicsAAbits = graphicsAA;
 
-    gsreq.rotation = req->page()->orientation() * 90;
+    gsreq.orientation = req->page()->orientation();
     if (req->page()->rotation() == Okular::Rotation90 ||
         req->page()->rotation() == Okular::Rotation270)
     {

generators/spectre/rendererthread.cpp

@@ -56,13 +56,18 @@ void GSRendererThread::run()
             spectre_render_context_set_scale(m_renderContext, req.magnify, req.magnify);
             spectre_render_context_set_use_platform_fonts(m_renderContext, req.platformFonts);
             spectre_render_context_set_antialias_bits(m_renderContext, req.graphicsAAbits, req.textAAbits);
-            spectre_render_context_set_rotation(m_renderContext, req.rotation);
+            // Do not use spectre_render_context_set_rotation makes some files not render correctly, e.g. bug210499.ps
+            // so we basically do the rendering without any rotation and then rotate to the orientation as needed
+            // spectre_render_context_set_rotation(m_renderContext, req.orientation);
 
             unsigned char *data = NULL;
             int row_length = 0;
             int wantedWidth = req.request->width();
             int wantedHeight = req.request->height();
 
+            if ( req.orientation % 2 )
+                qSwap( wantedWidth, wantedHeight );
+
             spectre_page_render(req.spectrePage, m_renderContext, &data, &row_length);
 
             QImage img;
@@ -76,10 +81,36 @@ void GSRendererThread::run()
                 QImage aux(data, row_length / 4, wantedHeight, QImage::Format_RGB32);
                 img = QImage(aux.copy(0, 0, wantedWidth, wantedHeight));
             }
+
+            switch (req.orientation)
+            {
+                case Okular::Rotation90:
+                {
+                    QMatrix m;
+                    m.rotate(90);
+                    img = img.transformed( m );
+                    break;
+                }
+
+                case Okular::Rotation180:
+                {
+                    QMatrix m;
+                    m.rotate(180);
+                    img = img.transformed( m );
+                    break;
+                }
+                case Okular::Rotation270:
+                {
+                    QMatrix m;
+                    m.rotate(270);
+                    img = img.transformed( m );
+                }
+            }
+
             QImage *image = new QImage(img.copy());
             free(data);
 
-            if (image->width() != wantedWidth || image->height() != wantedHeight)
+            if (image->width() != req.request->width() || image->height() != req.request->height())
             {
                 kWarning(4711).nospace() << "Generated image does not match wanted size: "
                     << "[" << image->width() << "x" << image->height() << "] vs requested "
@@ -96,3 +127,5 @@ void GSRendererThread::run()
 }
 
 #include "rendererthread.moc"
+
+/* kate: replace-tabs on; indent-width 4; */

generators/spectre/rendererthread.h

@@ -35,7 +35,7 @@ struct GSRendererThreadRequest
         , textAAbits(1)
         , graphicsAAbits(1)
         , magnify(1.0)
-        , rotation(0)
+        , orientation(0)
         , platformFonts(true)
     {}
 
@@ -45,7 +45,7 @@ struct GSRendererThreadRequest
     int textAAbits;
     int graphicsAAbits;
     double magnify;
-    int rotation;
+    int orientation;
     bool platformFonts;
 };
 Q_DECLARE_TYPEINFO(GSRendererThreadRequest, Q_MOVABLE_TYPE);