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authorPierre Ossman <ossman@cendio.se>2011-06-13 13:24:29 +0000
committerPierre Ossman <ossman@cendio.se>2011-06-13 13:24:29 +0000
commitb4cb8766d374785648d996d2d809a9c4f3fb9e6e (patch)
tree5022e5297c1f165a9959e1d927d737c9db720f33
parent1350069127f4817cb34c2112acfc1a7abeea0d3d (diff)
downloadtigervnc-b4cb8766d374785648d996d2d809a9c4f3fb9e6e.tar.gz
tigervnc-b4cb8766d374785648d996d2d809a9c4f3fb9e6e.zip
Optimised drawing routines for Win32, based on the old Windows viewer.
git-svn-id: svn://svn.code.sf.net/p/tigervnc/code/trunk@4494 3789f03b-4d11-0410-bbf8-ca57d06f2519
-rw-r--r--vncviewer/CMakeLists.txt4
-rw-r--r--vncviewer/Viewport.h2
-rw-r--r--vncviewer/Win32PixelBuffer.cxx96
-rw-r--r--vncviewer/Win32PixelBuffer.h36
4 files changed, 136 insertions, 2 deletions
diff --git a/vncviewer/CMakeLists.txt b/vncviewer/CMakeLists.txt
index faa1f755..12cd8aee 100644
--- a/vncviewer/CMakeLists.txt
+++ b/vncviewer/CMakeLists.txt
@@ -21,7 +21,9 @@ if(APPLE)
set(VNCVIEWER_SOURCES ${VNCVIEWER_SOURCES} cocoa.mm)
endif()
-if((NOT APPLE) AND (NOT WIN32))
+if(WIN32)
+ set(VNCVIEWER_SOURCES ${VNCVIEWER_SOURCES} Win32PixelBuffer.cxx)
+elseif(NOT APPLE)
set(VNCVIEWER_SOURCES ${VNCVIEWER_SOURCES} X11PixelBuffer.cxx)
endif()
diff --git a/vncviewer/Viewport.h b/vncviewer/Viewport.h
index 2613b6dd..19b95a30 100644
--- a/vncviewer/Viewport.h
+++ b/vncviewer/Viewport.h
@@ -34,7 +34,7 @@
#include <rfb/PixelTransformer.h>
#if defined(WIN32)
-#include "PlatformPixelBuffer.h"
+#include "Win32PixelBuffer.h"
#elif defined(__APPLE__)
#include "PlatformPixelBuffer.h"
#else
diff --git a/vncviewer/Win32PixelBuffer.cxx b/vncviewer/Win32PixelBuffer.cxx
new file mode 100644
index 00000000..e9f0e980
--- /dev/null
+++ b/vncviewer/Win32PixelBuffer.cxx
@@ -0,0 +1,96 @@
+/* Copyright (C) 2002-2005 RealVNC Ltd. All Rights Reserved.
+ * Copyright 2011 Pierre Ossman <ossman@cendio.se> for Cendio AB
+ *
+ * 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.
+ */
+
+#include <assert.h>
+#include <stdlib.h>
+
+#include <windows.h>
+
+#include <FL/x.H>
+
+#include <rfb/LogWriter.h>
+#include <rfb/Exception.h>
+
+#include "Win32PixelBuffer.h"
+
+using namespace rfb;
+
+static rfb::LogWriter vlog("PlatformPixelBuffer");
+
+struct BitmapInfo {
+ BITMAPINFOHEADER bmiHeader;
+ union {
+ struct {
+ DWORD red;
+ DWORD green;
+ DWORD blue;
+ } mask;
+ RGBQUAD color[256];
+ };
+};
+
+PlatformPixelBuffer::PlatformPixelBuffer(int width, int height) :
+ FullFramePixelBuffer(rfb::PixelFormat(32, 24, false, true,
+ 255, 255, 255, 16, 8, 0),
+ width, height, NULL, NULL),
+ bitmap(NULL)
+{
+ BITMAPINFOHEADER bih;
+
+ memset(&bih, 0, sizeof(bih));
+
+ bih.biSize = sizeof(BITMAPINFOHEADER);
+ bih.biBitCount = getPF().bpp;
+ bih.biSizeImage = (getPF().bpp / 8) * width * height;
+ bih.biPlanes = 1;
+ bih.biWidth = width;
+ bih.biHeight = -height; // Negative to get top-down
+ bih.biCompression = BI_RGB;
+
+ bitmap = CreateDIBSection(NULL, (BITMAPINFO*)&bih,
+ DIB_RGB_COLORS, (void**)&data, NULL, 0);
+ if (!bitmap) {
+ int err = GetLastError();
+ throw rdr::SystemException("unable to create DIB section", err);
+ }
+}
+
+
+PlatformPixelBuffer::~PlatformPixelBuffer()
+{
+ DeleteObject(bitmap);
+}
+
+
+void PlatformPixelBuffer::draw(int src_x, int src_y, int x, int y, int w, int h)
+{
+ HDC dc;
+
+ dc = CreateCompatibleDC(fl_gc);
+ if (!dc)
+ throw rdr::SystemException("CreateCompatibleDC failed", GetLastError());
+
+ if (!SelectObject(dc, bitmap))
+ throw rdr::SystemException("SelectObject failed", GetLastError());
+
+ if (!BitBlt(fl_gc, x, y, w, h, dc, src_x, src_y, SRCCOPY))
+ throw rdr::SystemException("BitBlt failed", GetLastError());
+
+ DeleteDC(dc);
+}
diff --git a/vncviewer/Win32PixelBuffer.h b/vncviewer/Win32PixelBuffer.h
new file mode 100644
index 00000000..ae2b71ac
--- /dev/null
+++ b/vncviewer/Win32PixelBuffer.h
@@ -0,0 +1,36 @@
+/* Copyright 2011 Pierre Ossman <ossman@cendio.se> for Cendio AB
+ *
+ * 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.
+ */
+
+#ifndef __WIN32PIXELBUFFER_H__
+#define __WIN32PIXELBUFFER_H__
+
+#include <rfb/PixelBuffer.h>
+
+class PlatformPixelBuffer: public rfb::FullFramePixelBuffer {
+public:
+ PlatformPixelBuffer(int width, int height);
+ ~PlatformPixelBuffer();
+
+ void draw(int src_x, int src_y, int x, int y, int w, int h);
+
+protected:
+ HBITMAP bitmap;
+};
+
+
+#endif