From 9f705c02b9c412c053fc12a2ebdc5cebe83400c8 Mon Sep 17 00:00:00 2001
From: Dana Jansens <danakj@orodu.net>
Date: Sat, 18 Jan 2003 04:06:39 +0000
Subject: [PATCH] *** empty log message ***

---
 otk/rendercontrol.hh     |  4 ++--
 otk/surface.hh           |  3 +++
 otk/truerendercontrol.cc | 25 +++++++++++++------------
 otk/truerendercontrol.hh |  2 +-
 4 files changed, 19 insertions(+), 15 deletions(-)

diff --git a/otk/rendercontrol.hh b/otk/rendercontrol.hh
index efa16fd0..14c0e92c 100644
--- a/otk/rendercontrol.hh
+++ b/otk/rendercontrol.hh
@@ -10,7 +10,7 @@ extern "C" {
 namespace otk {
 
 class ScreenInfo;
-class Widget;
+class Surface;
 
 class RenderControl {
 protected:
@@ -66,7 +66,7 @@ public:
 
   static RenderControl *getRenderControl(int screen);
 
-  virtual void render(Widget *wi) = 0;
+  virtual void render(Surface *sf) = 0;
 };
 
 }
diff --git a/otk/surface.hh b/otk/surface.hh
index 7289b14a..0c64c6f5 100644
--- a/otk/surface.hh
+++ b/otk/surface.hh
@@ -3,6 +3,7 @@
 #define __surface_hh
 
 #include "point.hh"
+#include "truerendercontrol.hh"
 
 extern "C" {
 #include <X11/Xlib.h>
@@ -26,6 +27,8 @@ public:
   virtual const Point& size() const { return _size; }
   virtual int width() const { return _size.x(); }
   virtual int height() const { return _size.y(); }
+
+  friend class TrueRenderControl;
 };
 
 }
diff --git a/otk/truerendercontrol.cc b/otk/truerendercontrol.cc
index 39176a6c..95a0a416 100644
--- a/otk/truerendercontrol.cc
+++ b/otk/truerendercontrol.cc
@@ -7,7 +7,7 @@
 #include "truerendercontrol.hh"
 #include "display.hh"
 #include "screeninfo.hh"
-#include "widget.hh"
+#include "surface.hh"
 
 extern "C" {
 #ifdef    HAVE_STDLIB_H
@@ -21,7 +21,10 @@ extern "C" {
 namespace otk {
 
 TrueRenderControl::TrueRenderControl(const ScreenInfo *screen)
-  : RenderControl(screen)
+  : RenderControl(screen),
+    _red_offset(0),
+    _green_offset(0),
+    _blue_offset(0)
 {
   printf("Initializing TrueColor RenderControl\n");
 
@@ -99,12 +102,12 @@ static inline void renderPixel(XImage *im, unsigned char *dp,
   }
 }
 
-void TrueRenderControl::render(Widget *wi)
+void TrueRenderControl::render(Surface *sf)
 {
-  assert(wi);
+  assert(sf);
   
-  int w = wi->width(), h = wi->height();
-  Pixmap p = XCreatePixmap(**display, wi->window(), w, h, _screen->depth());
+  int w = sf->width(), h = sf->height();
+
   XImage *im = XCreateImage(**display, _screen->visual(), _screen->depth(),
 			    ZPixmap, 0, NULL, w, h, 32, 0);
 
@@ -125,17 +128,15 @@ void TrueRenderControl::render(Widget *wi)
 
   im->data = (char*) data;
   
-  XPutImage(**display, p, DefaultGC(**display, _screen->screen()),
+  if (!sf->_pm)
+    sf->_pm = XCreatePixmap(**display, _screen->rootWindow(), w, h,
+			    _screen->depth());
+  XPutImage(**display, sf->_pm, DefaultGC(**display, _screen->screen()),
             im, 0, 0, 0, 0, w, h);
 
   //delete [] image->data;
   //image->data = NULL;
   XDestroyImage(im);
-
-  XSetWindowBackgroundPixmap(**display, wi->window(), p);
-  XClearWindow(**display, wi->window());
-
-  XFreePixmap(**display, p);
 }
 
 }
diff --git a/otk/truerendercontrol.hh b/otk/truerendercontrol.hh
index 574b5272..4012a008 100644
--- a/otk/truerendercontrol.hh
+++ b/otk/truerendercontrol.hh
@@ -17,7 +17,7 @@ public:
   TrueRenderControl(const ScreenInfo *screen);
   virtual ~TrueRenderControl();
 
-  virtual void render(Widget *wi);
+  virtual void render(Surface *sf);
 };
 
 }
-- 
2.39.2