From: Constantin Kaplinsky <const@tightvnc.com>
Date: Mon, 3 Sep 2007 10:17:19 +0000 (+0000)
Subject: Extended Image::get() methods with a version that can write pixel data at a given... 
X-Git-Tag: v0.0.90~384^2~133
X-Git-Url: https://source.dussan.org/?a=commitdiff_plain;h=cffb691c486f3a075d5d7ee5afcd02846e0a1f8f;p=tigervnc.git

Extended Image::get() methods with a version that can write pixel data at a given offset in the destination image.


git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@2333 3789f03b-4d11-0410-bbf8-ca57d06f2519
---

diff --git a/unix/x0vncserver/Image.cxx b/unix/x0vncserver/Image.cxx
index fc66c5a9..12da5495 100644
--- a/unix/x0vncserver/Image.cxx
+++ b/unix/x0vncserver/Image.cxx
@@ -100,9 +100,10 @@ void Image::get(Window wnd, int x, int y)
   get(wnd, x, y, xim->width, xim->height);
 }
 
-void Image::get(Window wnd, int x, int y, int w, int h)
+void Image::get(Window wnd, int x, int y, int w, int h,
+                int dst_x, int dst_y)
 {
-  XGetSubImage(dpy, wnd, x, y, w, h, AllPlanes, ZPixmap, xim, 0, 0);
+  XGetSubImage(dpy, wnd, x, y, w, h, AllPlanes, ZPixmap, xim, dst_x, dst_y);
 }
 
 //
@@ -314,10 +315,11 @@ void ShmImage::get(Window wnd, int x, int y)
   XShmGetImage(dpy, wnd, xim, x, y, AllPlanes);
 }
 
-void ShmImage::get(Window wnd, int x, int y, int w, int h)
+void ShmImage::get(Window wnd, int x, int y, int w, int h,
+                   int dst_x, int dst_y)
 {
   // FIXME: Use SHM for this as well?
-  XGetSubImage(dpy, wnd, x, y, w, h, AllPlanes, ZPixmap, xim, 0, 0);
+  XGetSubImage(dpy, wnd, x, y, w, h, AllPlanes, ZPixmap, xim, dst_x, dst_y);
 }
 
 #ifdef HAVE_READDISPLAY
@@ -408,7 +410,8 @@ void IrixOverlayShmImage::get(Window wnd, int x, int y)
   get(wnd, x, y, xim->width, xim->height);
 }
 
-void IrixOverlayShmImage::get(Window wnd, int x, int y, int w, int h)
+void IrixOverlayShmImage::get(Window wnd, int x, int y, int w, int h,
+                              int dst_x, int dst_y)
 {
   XRectangle rect;
   unsigned long hints = XRD_TRANSPARENT | XRD_READ_POINTER;
@@ -419,7 +422,8 @@ void IrixOverlayShmImage::get(Window wnd, int x, int y, int w, int h)
   rect.height = h;
 
   XShmReadDisplayRects(dpy, wnd,
-                       &rect, 1, readDisplayBuf, -x, -y,
+                       &rect, 1, readDisplayBuf,
+                       dst_x - x, dst_y - y,
                        hints, &hints);
 }
 
@@ -464,13 +468,14 @@ void SolarisOverlayImage::get(Window wnd, int x, int y)
   get(wnd, x, y, xim->width, xim->height);
 }
 
-void SolarisOverlayImage::get(Window wnd, int x, int y, int w, int h)
+void SolarisOverlayImage::get(Window wnd, int x, int y, int w, int h,
+                              int dst_x, int dst_y)
 {
   XImage *tmp_xim = XReadScreen(dpy, wnd, x, y, w, h, True);
   if (tmp_xim == NULL)
     return;
 
-  updateRect(tmp_xim, 0, 0);
+  updateRect(tmp_xim, dst_x, dst_y);
 
   XDestroyImage(tmp_xim);
 }
diff --git a/unix/x0vncserver/Image.h b/unix/x0vncserver/Image.h
index 535cee6a..43c0b0b5 100644
--- a/unix/x0vncserver/Image.h
+++ b/unix/x0vncserver/Image.h
@@ -48,9 +48,10 @@ public:
   }
 
   virtual void get(Window wnd, int x = 0, int y = 0);
-  virtual void get(Window wnd, int x, int y, int w, int h);
+  virtual void get(Window wnd, int x, int y, int w, int h,
+                   int dst_x = 0, int dst_y = 0);
 
-// Copying pixels from one image to another.
+  // Copying pixels from one image to another.
   virtual void updateRect(XImage *src, int dst_x = 0, int dst_y = 0);
   virtual void updateRect(Image *src, int dst_x = 0, int dst_y = 0);
   virtual void updateRect(XImage *src, int dst_x, int dst_y, int w, int h);
@@ -104,7 +105,8 @@ public:
   }
 
   virtual void get(Window wnd, int x = 0, int y = 0);
-  virtual void get(Window wnd, int x, int y, int w, int h);
+  virtual void get(Window wnd, int x, int y, int w, int h,
+                   int dst_x = 0, int dst_y = 0);
 
 protected:
 
@@ -140,7 +142,8 @@ public:
   }
 
   virtual void get(Window wnd, int x = 0, int y = 0);
-  virtual void get(Window wnd, int x, int y, int w, int h);
+  virtual void get(Window wnd, int x, int y, int w, int h,
+                   int dst_x = 0, int dst_y = 0);
 
 protected:
 
@@ -185,7 +188,8 @@ public:
   }
 
   virtual void get(Window wnd, int x = 0, int y = 0);
-  virtual void get(Window wnd, int x, int y, int w, int h);
+  virtual void get(Window wnd, int x, int y, int w, int h,
+                   int dst_x = 0, int dst_y = 0);
 
 protected: