Added initial ScaledDIBSectionBuffer class implementation.

git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@507 3789f03b-4d11-0410-bbf8-ca57d06f2519

3 files changed, 128 insertions, 0 deletions

diff --git a/rfb_win32/ScaledDIBSectionBuffer.cxx b/rfb_win32/ScaledDIBSectionBuffer.cxx
new file mode 100644
index 00000000..b7e1486a
--- /dev/null
+++ b/rfb_win32/ScaledDIBSectionBuffer.cxx
@@ -0,0 +1,61 @@
+/* Copyright (C) 2006 TightVNC Team.  All Rights Reserved.
+ *    
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ *
+ * TightVNC distribution homepage on the Web: http://www.tightvnc.com/
+ *
+ */
+
+// -=- ScaledDIBSectionBuffer.cxx
+
+#include <math.h>
+
+#include <rfb_win32/ScaledDIBSectionBuffer.h>
+
+using namespace rfb;
+using namespace win32;
+
+ScaledDIBSectionBuffer::ScaledDIBSectionBuffer(HWND window) 
+  : DIBSectionBuffer(window) {
+  scaled_data = data;
+}
+
+void ScaledDIBSectionBuffer::setSrcPixelBuffer(U8 **src_data_, int w, int h, PixelFormat pf) {
+  src_data = src_data_;
+  src_width  = w;
+  src_height = h;
+  scaled_width  = width_  = (int)ceil(src_width  * scale_ratio);
+  scaled_height = height_ = (int)ceil(src_height * scale_ratio);
+  setPF(pf); //recreateScaledBuffer() was run
+}
+
+void ScaledDIBSectionBuffer::setPF(const PixelFormat &pf) {
+  DIBSectionBuffer::setPF(pf);
+  scaled_data = data;
+}
+
+void ScaledDIBSectionBuffer::setSize(int src_width_, int src_height_) {
+  src_width = src_width_;
+  src_height = src_height_;
+  setScale(scale_ratio * 100);
+}
+
+void ScaledDIBSectionBuffer::recreateScaledBuffer() {
+  width_  = scaled_width;
+  height_ = scaled_height;
+  recreateBuffer();
+  scaled_data = data;
+}
diff --git a/rfb_win32/ScaledDIBSectionBuffer.h b/rfb_win32/ScaledDIBSectionBuffer.h
new file mode 100644
index 00000000..66d9ee34
--- /dev/null
+++ b/rfb_win32/ScaledDIBSectionBuffer.h
@@ -0,0 +1,59 @@
+/* Copyright (C) 2006 TightVNC Team.  All Rights Reserved.
+ *    
+ * This is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ * 
+ * This software is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ * 
+ * You should have received a copy of the GNU General Public License
+ * along with this software; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307,
+ * USA.
+ *
+ * TightVNC distribution homepage on the Web: http://www.tightvnc.com/
+ *
+ */
+
+// -=- ScaledDIBSectionBuffer.h
+
+#ifndef __RFB_WIN32_SCALED_DIB_SECTION_BUFFER_H__
+#define __RFB_WIN32_SCALED_DIB_SECTION_BUFFER_H__
+
+#include <rfb/ScaledPixelBuffer.h>
+
+#include <rfb_win32/DIBSectionBuffer.h>
+
+namespace rfb {
+
+  namespace win32 {
+
+    //
+    // -=- ScaledDIBSectionBuffer
+    //
+
+    class ScaledDIBSectionBuffer : public ScaledPixelBuffer, DIBSectionBuffer {
+    public:
+      ScaledDIBSectionBuffer(HWND window);
+      virtual ~ScaledDIBSectionBuffer() {};
+
+      int width()  const { return scaled_width; }
+      int height() const { return scaled_height; }
+
+      virtual void setSrcPixelBuffer(U8 **src_data, int w, int h, PixelFormat pf=PixelFormat());
+      virtual void setPF(const PixelFormat &pf);
+      virtual void setSize(int w, int h);
+
+    protected:
+      virtual void recreateScaledBuffer();
+    };
+
+  };
+
+};
+
+#endif // __RFB_WIN32_SCALED_DIB_SECTION_BUFFER_H__
diff --git a/rfb_win32/rfb_win32.dsp b/rfb_win32/rfb_win32.dsp
index fd5f3718..de7f840e 100644
--- a/rfb_win32/rfb_win32.dsp
+++ b/rfb_win32/rfb_win32.dsp
@@ -178,6 +178,10 @@ SOURCE=.\Registry.cxx
 # End Source File

 # Begin Source File

 

+SOURCE=.\ScaledDIBSectionBuffer.cxx

+# End Source File

+# Begin Source File

+

 SOURCE=.\SDisplay.cxx

 # End Source File

 # Begin Source File

@@ -310,6 +314,10 @@ SOURCE=.\Registry.h
 # End Source File

 # Begin Source File

 

+SOURCE=.\ScaledDIBSectionBuffer.h

+# End Source File

+# Begin Source File

+

 SOURCE=.\SDisplay.h

 # End Source File

 # Begin Source File