Code refactoring: passing geometry to XPixelBuffer as a Rect instead of four

int values.


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@2574 3789f03b-4d11-0410-bbf8-ca57d06f2519

unix/x0vncserver/XPixelBuffer.cxx

@@ -28,18 +28,14 @@
 using namespace rfb;
 
 XPixelBuffer::XPixelBuffer(Display *dpy, ImageFactory &factory,
-                           int offsetLeft, int offsetTop,
-                           int width, int height,
-                           ColourMap* cm)
+                           const Rect &rect, ColourMap* cm)
   : FullFramePixelBuffer(),
     m_dpy(dpy),
-    m_image(0),
-    m_offsetLeft(offsetLeft),
-    m_offsetTop(offsetTop),
+    m_image(factory.newImage(dpy, rect.width(), rect.height())),
+    m_offsetLeft(rect.tl.x),
+    m_offsetTop(rect.tl.y),
     m_stride(0)
 {
-  m_image = factory.newImage(dpy, width, height);
-
   // Fill in the PixelFormat structure of the parent class.
   format.bpp        = m_image->xim->bits_per_pixel;
   format.depth      = m_image->xim->depth;
@@ -53,13 +49,13 @@ XPixelBuffer::XPixelBuffer(Display *dpy, ImageFactory &factory,
   format.blueMax    = m_image->xim->blue_mask  >> format.blueShift;
 
   // Set up the remaining data of the parent class.
-  width_ = width;
-  height_ = height;
+  width_ = rect.width();
+  height_ = rect.height();
   data = (rdr::U8 *)m_image->xim->data;
   colourmap = cm;
 
   // Calculate the distance in pixels between two subsequent scan
-  // lines of the framebuffer.
+  // lines of the framebuffer. This may differ from image width.
   m_stride = m_image->xim->bytes_per_line * 8 / m_image->xim->bits_per_pixel;
 
   // Get initial screen image from the X display.

unix/x0vncserver/XPixelBuffer.h

@@ -36,9 +36,7 @@ class XPixelBuffer : public FullFramePixelBuffer
 {
 public:
   XPixelBuffer(Display *dpy, ImageFactory &factory,
-               int offsetLeft, int offsetTop,
-               int width, int height,
-               ColourMap* cm);
+               const Rect &rect, ColourMap* cm);
   virtual ~XPixelBuffer();
 
   // We allow public access to the underlying Image object.

unix/x0vncserver/x0vncserver.cxx

@@ -180,10 +180,7 @@ public:
 
     // Provide pixel buffer to the server object.
     // FIXME: Pass coordinates in a structure?
-    pb = new XPixelBuffer(dpy, factory,
-                          geometry->offsetLeft(), geometry->offsetTop(),
-                          geometry->width(), geometry->height(),
-                          this);
+    pb = new XPixelBuffer(dpy, factory, geometry->getRect(), this);
     vlog.info("Allocated %s", pb->getImage()->classDesc());
 
     server = vs;