[5] | 1 | /* |
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| 2 | ----------------------------------------------------------------------------- |
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| 3 | This source file is part of OGRE |
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| 4 | (Object-oriented Graphics Rendering Engine) |
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| 5 | For the latest info, see http://www.ogre3d.org/ |
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| 6 | |
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| 7 | Copyright (c) 2000-2006 Torus Knot Software Ltd |
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| 8 | Also see acknowledgements in Readme.html |
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| 9 | |
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| 10 | This program is free software; you can redistribute it and/or modify it under |
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software |
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| 12 | Foundation; either version 2 of the License, or (at your option) any later |
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| 13 | version. |
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| 14 | |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT |
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details. |
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| 18 | |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with |
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple |
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to |
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| 22 | http://www.gnu.org/copyleft/lesser.txt. |
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| 23 | |
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| 24 | You may alternatively use this source under the terms of a specific version of |
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| 25 | the OGRE Unrestricted License provided you have obtained such a license from |
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| 26 | Torus Knot Software Ltd. |
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| 27 | ----------------------------------------------------------------------------- |
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| 28 | */ |
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| 29 | |
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| 30 | #include "OgreWin32Window.h" |
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| 31 | #include "OgreRoot.h" |
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| 32 | #include "OgreLogManager.h" |
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| 33 | #include "OgreRenderSystem.h" |
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| 34 | #include "OgreImageCodec.h" |
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| 35 | #include "OgreStringConverter.h" |
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| 36 | #include "OgreException.h" |
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| 37 | #include "OgreWin32GLSupport.h" |
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| 38 | #include "OgreWin32Context.h" |
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| 39 | #include "OgreWindowEventUtilities.h" |
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| 40 | |
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| 41 | namespace Ogre { |
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| 42 | |
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| 43 | Win32Window::Win32Window(Win32GLSupport &glsupport): |
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| 44 | mGLSupport(glsupport), |
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| 45 | mContext(0) |
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| 46 | { |
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| 47 | mIsFullScreen = false; |
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| 48 | mHWnd = 0; |
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| 49 | mGlrc = 0; |
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| 50 | mIsExternal = false; |
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| 51 | mIsExternalGLControl = false; |
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| 52 | mIsExternalGLContext = false; |
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| 53 | mSizing = false; |
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| 54 | mClosed = false; |
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| 55 | mDisplayFrequency = 0; |
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| 56 | mActive = false; |
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| 57 | } |
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| 58 | |
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| 59 | Win32Window::~Win32Window() |
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| 60 | { |
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| 61 | destroy(); |
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| 62 | } |
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| 63 | |
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| 64 | void Win32Window::create(const String& name, unsigned int width, unsigned int height, |
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| 65 | bool fullScreen, const NameValuePairList *miscParams) |
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| 66 | { |
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| 67 | // destroy current window, if any |
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| 68 | if (mHWnd) |
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| 69 | destroy(); |
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| 70 | |
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| 71 | #ifdef OGRE_STATIC_LIB |
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| 72 | HINSTANCE hInst = GetModuleHandle( NULL ); |
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| 73 | #else |
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| 74 | HINSTANCE hInst = GetModuleHandle("RenderSystem_GL.dll"); |
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| 75 | #endif |
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| 76 | |
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| 77 | mHWnd = 0; |
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| 78 | mName = name; |
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| 79 | mIsFullScreen = fullScreen; |
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| 80 | mClosed = false; |
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| 81 | |
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| 82 | // load window defaults |
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| 83 | mLeft = mTop = -1; // centered |
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| 84 | mWidth = width; |
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| 85 | mHeight = height; |
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| 86 | mDisplayFrequency = 0; |
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| 87 | mIsDepthBuffered = true; |
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| 88 | mColourDepth = mIsFullScreen? 32 : GetDeviceCaps(GetDC(0), BITSPIXEL); |
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| 89 | |
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| 90 | HWND parent = 0; |
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| 91 | String title = name; |
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| 92 | bool vsync = false; |
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| 93 | int fsaa = 0; |
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| 94 | String border; |
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| 95 | bool outerSize = false; |
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| 96 | |
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| 97 | if(miscParams) |
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| 98 | { |
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| 99 | // Get variable-length params |
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| 100 | NameValuePairList::const_iterator opt; |
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| 101 | NameValuePairList::const_iterator end = miscParams->end(); |
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| 102 | |
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| 103 | if ((opt = miscParams->find("title")) != end) |
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| 104 | title = opt->second; |
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| 105 | |
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| 106 | if ((opt = miscParams->find("left")) != end) |
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| 107 | mLeft = StringConverter::parseInt(opt->second); |
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| 108 | |
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| 109 | if ((opt = miscParams->find("top")) != end) |
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| 110 | mTop = StringConverter::parseInt(opt->second); |
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| 111 | |
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| 112 | if ((opt = miscParams->find("depthBuffer")) != end) |
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| 113 | mIsDepthBuffered = StringConverter::parseBool(opt->second); |
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| 114 | |
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| 115 | if ((opt = miscParams->find("vsync")) != end) |
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| 116 | vsync = StringConverter::parseBool(opt->second); |
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| 117 | |
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| 118 | if ((opt = miscParams->find("FSAA")) != end) |
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| 119 | fsaa = StringConverter::parseUnsignedInt(opt->second); |
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| 120 | |
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| 121 | if ((opt = miscParams->find("externalWindowHandle")) != end) |
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| 122 | { |
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| 123 | mHWnd = (HWND)StringConverter::parseUnsignedInt(opt->second); |
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| 124 | if (mHWnd) |
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| 125 | { |
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| 126 | mIsExternal = true; |
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| 127 | mIsFullScreen = false; |
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| 128 | } |
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| 129 | |
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| 130 | if ((opt = miscParams->find("externalGLControl")) != end) { |
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| 131 | mIsExternalGLControl = StringConverter::parseBool(opt->second); |
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| 132 | } |
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| 133 | } |
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| 134 | if ((opt = miscParams->find("externalGLContext")) != end) |
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| 135 | { |
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| 136 | mGlrc = (HGLRC)StringConverter::parseUnsignedLong(opt->second); |
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| 137 | if( mGlrc ) |
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| 138 | mIsExternalGLContext = true; |
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| 139 | } |
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| 140 | |
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| 141 | // window border style |
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| 142 | opt = miscParams->find("border"); |
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| 143 | if(opt != miscParams->end()) |
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| 144 | border = opt->second; |
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| 145 | // set outer dimensions? |
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| 146 | opt = miscParams->find("outerDimensions"); |
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| 147 | if(opt != miscParams->end()) |
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| 148 | outerSize = StringConverter::parseBool(opt->second); |
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| 149 | |
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| 150 | // only available with fullscreen |
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| 151 | if ((opt = miscParams->find("displayFrequency")) != end) |
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| 152 | mDisplayFrequency = StringConverter::parseUnsignedInt(opt->second); |
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| 153 | if ((opt = miscParams->find("colourDepth")) != end) |
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| 154 | mColourDepth = StringConverter::parseUnsignedInt(opt->second); |
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| 155 | |
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| 156 | // incompatible with fullscreen |
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| 157 | if ((opt = miscParams->find("parentWindowHandle")) != end) |
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| 158 | parent = (HWND)StringConverter::parseUnsignedInt(opt->second); |
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| 159 | } |
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| 160 | |
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| 161 | if (!mIsExternal) |
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| 162 | { |
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| 163 | DWORD dwStyle = WS_VISIBLE | WS_CLIPCHILDREN; |
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| 164 | DWORD dwStyleEx = 0; |
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| 165 | int outerw, outerh; |
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| 166 | |
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| 167 | if (mIsFullScreen) |
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| 168 | { |
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| 169 | dwStyle |= WS_POPUP; |
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| 170 | dwStyleEx |= WS_EX_TOPMOST; |
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| 171 | outerw = mWidth; |
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| 172 | outerh = mHeight; |
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| 173 | mLeft = mTop = 0; |
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| 174 | } |
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| 175 | else |
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| 176 | { |
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| 177 | if (parent) |
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| 178 | { |
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| 179 | dwStyle |= WS_CHILD; |
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| 180 | } |
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| 181 | else |
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| 182 | { |
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| 183 | if (border == "none") |
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| 184 | dwStyle |= WS_POPUP; |
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| 185 | else if (border == "fixed") |
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| 186 | dwStyle |= WS_OVERLAPPED | WS_BORDER | WS_CAPTION | |
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| 187 | WS_SYSMENU | WS_MINIMIZEBOX; |
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| 188 | else |
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| 189 | dwStyle |= WS_OVERLAPPEDWINDOW; |
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| 190 | } |
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| 191 | |
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| 192 | int screenw = GetSystemMetrics(SM_CXSCREEN); |
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| 193 | int screenh = GetSystemMetrics(SM_CYSCREEN); |
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| 194 | |
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| 195 | if (!outerSize) |
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| 196 | { |
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| 197 | // calculate overall dimensions for requested client area |
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| 198 | RECT rc = { 0, 0, mWidth, mHeight }; |
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| 199 | AdjustWindowRect(&rc, dwStyle, false); |
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| 200 | |
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| 201 | // clamp window dimensions to screen size |
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| 202 | outerw = (rc.right-rc.left < screenw)? rc.right-rc.left : screenw; |
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| 203 | outerh = (rc.bottom-rc.top < screenh)? rc.bottom-rc.top : screenh; |
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| 204 | } |
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| 205 | |
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| 206 | // center window if given negative coordinates |
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| 207 | if (mLeft < 0) |
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| 208 | mLeft = (screenw - outerw) / 2; |
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| 209 | if (mTop < 0) |
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| 210 | mTop = (screenh - outerh) / 2; |
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| 211 | |
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| 212 | // keep window contained in visible screen area |
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| 213 | if (mLeft > screenw - outerw) |
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| 214 | mLeft = screenw - outerw; |
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| 215 | if (mTop > screenh - outerh) |
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| 216 | mTop = screenh - outerh; |
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| 217 | } |
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| 218 | |
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| 219 | // register class and create window |
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| 220 | WNDCLASS wc = { CS_OWNDC, WindowEventUtilities::_WndProc, 0, 0, hInst, |
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| 221 | LoadIcon(NULL, IDI_APPLICATION), LoadCursor(NULL, IDC_ARROW), |
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| 222 | (HBRUSH)GetStockObject(BLACK_BRUSH), NULL, "OgreGLWindow" }; |
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| 223 | RegisterClass(&wc); |
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| 224 | |
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| 225 | // Pass pointer to self as WM_CREATE parameter |
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| 226 | mHWnd = CreateWindowEx(dwStyleEx, "OgreGLWindow", title.c_str(), |
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| 227 | dwStyle, mLeft, mTop, outerw, outerh, parent, 0, hInst, this); |
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| 228 | |
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| 229 | WindowEventUtilities::_addRenderWindow(this); |
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| 230 | |
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| 231 | StringUtil::StrStreamType str; |
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| 232 | str << "Created Win32Window '" |
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| 233 | << mName << "' : " << mWidth << "x" << mHeight |
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| 234 | << ", " << mColourDepth << "bpp"; |
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| 235 | LogManager::getSingleton().logMessage(LML_NORMAL, str.str()); |
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| 236 | |
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| 237 | if (mIsFullScreen) |
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| 238 | { |
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| 239 | DEVMODE dm; |
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| 240 | dm.dmSize = sizeof(DEVMODE); |
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| 241 | dm.dmBitsPerPel = mColourDepth; |
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| 242 | dm.dmPelsWidth = mWidth; |
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| 243 | dm.dmPelsHeight = mHeight; |
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| 244 | dm.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT; |
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| 245 | if (mDisplayFrequency) |
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| 246 | { |
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| 247 | dm.dmDisplayFrequency = mDisplayFrequency; |
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| 248 | dm.dmFields |= DM_DISPLAYFREQUENCY; |
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| 249 | if (ChangeDisplaySettings(&dm, CDS_FULLSCREEN | CDS_TEST) != DISP_CHANGE_SUCCESSFUL) |
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| 250 | { |
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| 251 | LogManager::getSingleton().logMessage(LML_NORMAL, "ChangeDisplaySettings with user display frequency failed"); |
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| 252 | dm.dmFields ^= DM_DISPLAYFREQUENCY; |
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| 253 | } |
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| 254 | } |
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| 255 | if (ChangeDisplaySettings(&dm, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL) |
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| 256 | LogManager::getSingleton().logMessage(LML_CRITICAL, "ChangeDisplaySettings failed"); |
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| 257 | } |
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| 258 | } |
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| 259 | |
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| 260 | HDC old_hdc = wglGetCurrentDC(); |
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| 261 | HGLRC old_context = wglGetCurrentContext(); |
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| 262 | |
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| 263 | RECT rc; |
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| 264 | // top and left represent outer window position |
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| 265 | GetWindowRect(mHWnd, &rc); |
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| 266 | mTop = rc.top; |
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| 267 | mLeft = rc.left; |
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| 268 | // width and height represent drawable area only |
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| 269 | GetClientRect(mHWnd, &rc); |
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| 270 | mWidth = rc.right; |
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| 271 | mHeight = rc.bottom; |
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| 272 | |
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| 273 | mHDC = GetDC(mHWnd); |
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| 274 | |
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| 275 | if (!mIsExternalGLControl) |
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| 276 | { |
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| 277 | if (!mGLSupport.selectPixelFormat(mHDC, mColourDepth, fsaa)) |
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| 278 | { |
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| 279 | if (fsaa == 0) |
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| 280 | OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR, "selectPixelFormat failed", "Win32Window::create"); |
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| 281 | |
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| 282 | LogManager::getSingleton().logMessage(LML_NORMAL, "FSAA level not supported, falling back"); |
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| 283 | if (!mGLSupport.selectPixelFormat(mHDC, mColourDepth, 0)) |
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| 284 | OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR, "selectPixelFormat failed", "Win32Window::create"); |
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| 285 | } |
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| 286 | } |
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| 287 | if (!mIsExternalGLContext) |
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| 288 | { |
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| 289 | mGlrc = wglCreateContext(mHDC); |
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| 290 | if (!mGlrc) |
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| 291 | OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR, "wglCreateContext", "Win32Window::create"); |
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| 292 | } |
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| 293 | if (!wglMakeCurrent(mHDC, mGlrc)) |
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| 294 | OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR, "wglMakeCurrent", "Win32Window::create"); |
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| 295 | |
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| 296 | // Do not change vsync if the external window has the OpenGL control |
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| 297 | if (!mIsExternalGLControl) { |
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| 298 | // Don't use wglew as if this is the first window, we won't have initialised yet |
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| 299 | PFNWGLSWAPINTERVALEXTPROC _wglSwapIntervalEXT = |
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| 300 | (PFNWGLSWAPINTERVALEXTPROC)wglGetProcAddress("wglSwapIntervalEXT"); |
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| 301 | if (_wglSwapIntervalEXT) |
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| 302 | _wglSwapIntervalEXT(vsync? 1 : 0); |
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| 303 | } |
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| 304 | |
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| 305 | if (old_context && old_context != mGlrc) |
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| 306 | { |
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| 307 | // Restore old context |
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| 308 | if (!wglMakeCurrent(old_hdc, old_context)) |
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| 309 | OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR, "wglMakeCurrent() failed", "Win32Window::create"); |
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| 310 | |
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| 311 | // Share lists with old context |
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| 312 | if (!wglShareLists(old_context, mGlrc)) |
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| 313 | OGRE_EXCEPT(Exception::ERR_RENDERINGAPI_ERROR, "wglShareLists() failed", " Win32Window::create"); |
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| 314 | } |
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| 315 | |
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| 316 | // Create RenderSystem context |
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| 317 | mContext = new Win32Context(mHDC, mGlrc); |
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| 318 | |
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| 319 | mActive = true; |
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| 320 | } |
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| 321 | |
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| 322 | void Win32Window::setFullscreen(bool fullScreen, unsigned int width, unsigned int height) |
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| 323 | { |
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| 324 | if (mIsFullScreen != fullScreen || width != mWidth || height != mHeight) |
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| 325 | { |
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| 326 | mIsFullScreen = fullScreen; |
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| 327 | DWORD dwStyle = WS_VISIBLE | WS_CLIPCHILDREN; |
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| 328 | |
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| 329 | if (mIsFullScreen) |
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| 330 | { |
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| 331 | dwStyle |= WS_POPUP; |
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| 332 | |
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| 333 | DEVMODE dm; |
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| 334 | dm.dmSize = sizeof(DEVMODE); |
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| 335 | dm.dmBitsPerPel = mColourDepth; |
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| 336 | dm.dmPelsWidth = width; |
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| 337 | dm.dmPelsHeight = height; |
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| 338 | dm.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT; |
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| 339 | if (mDisplayFrequency) |
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| 340 | { |
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| 341 | dm.dmDisplayFrequency = mDisplayFrequency; |
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| 342 | dm.dmFields |= DM_DISPLAYFREQUENCY; |
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| 343 | if (ChangeDisplaySettings(&dm, CDS_FULLSCREEN | CDS_TEST) != DISP_CHANGE_SUCCESSFUL) |
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| 344 | { |
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| 345 | LogManager::getSingleton().logMessage(LML_NORMAL, "ChangeDisplaySettings with user display frequency failed"); |
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| 346 | dm.dmFields ^= DM_DISPLAYFREQUENCY; |
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| 347 | } |
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| 348 | } |
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| 349 | else |
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| 350 | { |
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| 351 | // try a few |
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| 352 | dm.dmDisplayFrequency = 100; |
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| 353 | dm.dmFields |= DM_DISPLAYFREQUENCY; |
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| 354 | if (ChangeDisplaySettings(&dm, CDS_FULLSCREEN | CDS_TEST) != DISP_CHANGE_SUCCESSFUL) |
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| 355 | { |
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| 356 | dm.dmDisplayFrequency = 75; |
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| 357 | if (ChangeDisplaySettings(&dm, CDS_FULLSCREEN | CDS_TEST) != DISP_CHANGE_SUCCESSFUL) |
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| 358 | { |
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| 359 | dm.dmFields ^= DM_DISPLAYFREQUENCY; |
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| 360 | } |
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| 361 | } |
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| 362 | |
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| 363 | } |
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| 364 | if (ChangeDisplaySettings(&dm, CDS_FULLSCREEN) != DISP_CHANGE_SUCCESSFUL) |
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| 365 | LogManager::getSingleton().logMessage(LML_CRITICAL, "ChangeDisplaySettings failed"); |
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| 366 | |
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| 367 | SetWindowLong(mHWnd, GWL_STYLE, dwStyle); |
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| 368 | SetWindowPos(mHWnd, HWND_TOPMOST, 0, 0, width, height, |
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| 369 | SWP_NOACTIVATE); |
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| 370 | mWidth = width; |
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| 371 | mHeight = height; |
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| 372 | |
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| 373 | |
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| 374 | } |
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| 375 | else |
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| 376 | { |
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| 377 | dwStyle |= WS_OVERLAPPEDWINDOW; |
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| 378 | |
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| 379 | // drop out of fullscreen |
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| 380 | ChangeDisplaySettings(NULL, 0); |
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| 381 | |
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| 382 | // calculate overall dimensions for requested client area |
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| 383 | RECT rc = { 0, 0, width, height }; |
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| 384 | AdjustWindowRect(&rc, dwStyle, false); |
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| 385 | unsigned int winWidth = rc.right - rc.left; |
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| 386 | unsigned int winHeight = rc.bottom - rc.top; |
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| 387 | |
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| 388 | int screenw = GetSystemMetrics(SM_CXSCREEN); |
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| 389 | int screenh = GetSystemMetrics(SM_CYSCREEN); |
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| 390 | int left = (screenw - winWidth) / 2; |
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| 391 | int top = (screenh - winHeight) / 2; |
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| 392 | |
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| 393 | |
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| 394 | SetWindowLong(mHWnd, GWL_STYLE, dwStyle); |
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| 395 | SetWindowPos(mHWnd, HWND_NOTOPMOST, left, top, winWidth, winHeight, |
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| 396 | SWP_DRAWFRAME | SWP_FRAMECHANGED | SWP_NOACTIVATE); |
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| 397 | mWidth = width; |
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| 398 | mHeight = height; |
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| 399 | |
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| 400 | } |
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| 401 | |
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| 402 | } |
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| 403 | } |
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| 404 | |
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| 405 | void Win32Window::destroy(void) |
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| 406 | { |
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| 407 | if (!mHWnd) |
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| 408 | return; |
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| 409 | |
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| 410 | // Unregister and destroy OGRE GLContext |
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| 411 | delete mContext; |
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| 412 | |
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| 413 | if (!mIsExternalGLContext && mGlrc) |
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| 414 | { |
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| 415 | wglDeleteContext(mGlrc); |
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| 416 | mGlrc = 0; |
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| 417 | } |
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| 418 | if (!mIsExternal) |
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| 419 | { |
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| 420 | WindowEventUtilities::_removeRenderWindow(this); |
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| 421 | |
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| 422 | if (mIsFullScreen) |
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| 423 | ChangeDisplaySettings(NULL, 0); |
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| 424 | DestroyWindow(mHWnd); |
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| 425 | } |
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| 426 | else |
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| 427 | { |
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| 428 | // just release the DC |
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| 429 | ReleaseDC(mHWnd, mHDC); |
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| 430 | } |
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| 431 | |
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| 432 | mActive = false; |
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| 433 | mClosed = true; |
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| 434 | mHDC = 0; // no release thanks to CS_OWNDC wndclass style |
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| 435 | mHWnd = 0; |
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| 436 | } |
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| 437 | |
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| 438 | bool Win32Window::isVisible() const |
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| 439 | { |
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| 440 | return (mHWnd && !IsIconic(mHWnd)); |
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| 441 | } |
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| 442 | |
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| 443 | bool Win32Window::isClosed() const |
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| 444 | { |
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| 445 | return mClosed; |
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| 446 | } |
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| 447 | |
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| 448 | void Win32Window::reposition(int left, int top) |
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| 449 | { |
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| 450 | if (mHWnd && !mIsFullScreen) |
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| 451 | { |
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| 452 | SetWindowPos(mHWnd, 0, left, top, 0, 0, |
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| 453 | SWP_NOSIZE | SWP_NOZORDER | SWP_NOACTIVATE); |
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| 454 | } |
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| 455 | } |
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| 456 | |
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| 457 | void Win32Window::resize(unsigned int width, unsigned int height) |
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| 458 | { |
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| 459 | if (mHWnd && !mIsFullScreen) |
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| 460 | { |
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| 461 | RECT rc = { 0, 0, width, height }; |
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| 462 | AdjustWindowRect(&rc, GetWindowLong(mHWnd, GWL_STYLE), false); |
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| 463 | width = rc.right - rc.left; |
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| 464 | height = rc.bottom - rc.top; |
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| 465 | SetWindowPos(mHWnd, 0, 0, 0, width, height, |
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| 466 | SWP_NOMOVE | SWP_NOZORDER | SWP_NOACTIVATE); |
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| 467 | } |
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| 468 | } |
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| 469 | |
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| 470 | void Win32Window::windowMovedOrResized() |
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| 471 | { |
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| 472 | if (!isVisible()) |
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| 473 | return; |
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| 474 | |
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| 475 | RECT rc; |
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| 476 | // top and left represent outer window position |
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| 477 | GetWindowRect(mHWnd, &rc); |
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| 478 | mTop = rc.top; |
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| 479 | mLeft = rc.left; |
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| 480 | // width and height represent drawable area only |
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| 481 | GetClientRect(mHWnd, &rc); |
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| 482 | |
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| 483 | if (mWidth == rc.right && mHeight == rc.bottom) |
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| 484 | return; |
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| 485 | |
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| 486 | mWidth = rc.right; |
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| 487 | mHeight = rc.bottom; |
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| 488 | |
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| 489 | // Notify viewports of resize |
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| 490 | ViewportList::iterator it, itend; |
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| 491 | itend = mViewportList.end(); |
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| 492 | for( it = mViewportList.begin(); it != itend; ++it ) |
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| 493 | (*it).second->_updateDimensions(); |
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| 494 | } |
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| 495 | |
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| 496 | void Win32Window::swapBuffers(bool waitForVSync) |
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| 497 | { |
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| 498 | if (!mIsExternalGLControl) { |
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| 499 | SwapBuffers(mHDC); |
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| 500 | } |
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| 501 | } |
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| 502 | |
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| 503 | void Win32Window::writeContentsToFile(const String& filename) |
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| 504 | { |
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| 505 | ImageCodec::ImageData *imgData = new ImageCodec::ImageData(); |
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| 506 | imgData->width = mWidth; |
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| 507 | imgData->height = mHeight; |
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| 508 | imgData->depth = 1; |
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| 509 | imgData->format = PF_BYTE_RGB; |
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| 510 | |
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| 511 | // Allocate buffer |
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| 512 | uchar* pBuffer = new uchar[mWidth * mHeight * 3]; |
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| 513 | |
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| 514 | // Switch context if different from current one |
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| 515 | RenderSystem* rsys = Root::getSingleton().getRenderSystem(); |
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| 516 | rsys->_setViewport(this->getViewport(0)); |
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| 517 | |
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| 518 | // Must change the packing to ensure no overruns! |
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| 519 | glPixelStorei(GL_PACK_ALIGNMENT, 1); |
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| 520 | |
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| 521 | // Read pixels |
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| 522 | // I love GL: it does all the locking & colour conversion for us |
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| 523 | if (mIsFullScreen) |
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| 524 | glReadBuffer(GL_FRONT); |
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| 525 | glReadPixels(0,0, mWidth, mHeight, GL_RGB, GL_UNSIGNED_BYTE, pBuffer); |
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| 526 | |
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| 527 | // restore default alignment |
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| 528 | glPixelStorei(GL_PACK_ALIGNMENT, 4); |
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| 529 | |
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| 530 | // Wrap buffer in a memory stream |
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| 531 | DataStreamPtr stream(new MemoryDataStream(pBuffer, mWidth * mHeight * 3, false)); |
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| 532 | |
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| 533 | // Need to flip the read data over in Y though |
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| 534 | Image img; |
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| 535 | img.loadRawData(stream, mWidth, mHeight, imgData->format ); |
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| 536 | img.flipAroundX(); |
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| 537 | |
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| 538 | MemoryDataStreamPtr streamFlipped(new MemoryDataStream(img.getData(), stream->size(), false)); |
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| 539 | |
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| 540 | // Get codec |
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| 541 | size_t pos = filename.find_last_of("."); |
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| 542 | String extension; |
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| 543 | if( pos == String::npos ) |
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| 544 | OGRE_EXCEPT( |
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| 545 | Exception::ERR_INVALIDPARAMS, |
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| 546 | "Unable to determine image type for '" + filename + "' - invalid extension.", |
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| 547 | "Win32Window::writeContentsToFile" ); |
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| 548 | |
---|
| 549 | while( pos != filename.length() - 1 ) |
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| 550 | extension += filename[++pos]; |
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| 551 | |
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| 552 | // Get the codec |
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| 553 | Codec * pCodec = Codec::getCodec(extension); |
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| 554 | |
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| 555 | // Write out |
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| 556 | Codec::CodecDataPtr ptr(imgData); |
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| 557 | pCodec->codeToFile(streamFlipped, filename, ptr); |
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| 558 | |
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| 559 | delete [] pBuffer; |
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| 560 | } |
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| 561 | |
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| 562 | void Win32Window::getCustomAttribute( const String& name, void* pData ) |
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| 563 | { |
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| 564 | if( name == "GLCONTEXT" ) { |
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| 565 | *static_cast<GLContext**>(pData) = mContext; |
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| 566 | return; |
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| 567 | } else if( name == "WINDOW" ) |
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| 568 | { |
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| 569 | HWND *pHwnd = (HWND*)pData; |
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| 570 | *pHwnd = getWindowHandle(); |
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| 571 | return; |
---|
| 572 | } |
---|
| 573 | } |
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| 574 | |
---|
| 575 | void Win32Window::setActive( bool state ) |
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| 576 | { |
---|
| 577 | mActive = state; |
---|
| 578 | |
---|
| 579 | if( mIsFullScreen ) |
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| 580 | { |
---|
| 581 | if( state == false ) |
---|
| 582 | { //Restore Desktop |
---|
| 583 | ChangeDisplaySettings(NULL, 0); |
---|
| 584 | ShowWindow(mHWnd, SW_SHOWMINNOACTIVE); |
---|
| 585 | } |
---|
| 586 | else |
---|
| 587 | { //Restore App |
---|
| 588 | ShowWindow(mHWnd, SW_SHOWNORMAL); |
---|
| 589 | |
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| 590 | DEVMODE dm; |
---|
| 591 | dm.dmSize = sizeof(DEVMODE); |
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| 592 | dm.dmBitsPerPel = mColourDepth; |
---|
| 593 | dm.dmPelsWidth = mWidth; |
---|
| 594 | dm.dmPelsHeight = mHeight; |
---|
| 595 | dm.dmFields = DM_BITSPERPEL | DM_PELSWIDTH | DM_PELSHEIGHT; |
---|
| 596 | if (mDisplayFrequency) |
---|
| 597 | { |
---|
| 598 | dm.dmDisplayFrequency = mDisplayFrequency; |
---|
| 599 | dm.dmFields |= DM_DISPLAYFREQUENCY; |
---|
| 600 | } |
---|
| 601 | ChangeDisplaySettings(&dm, CDS_FULLSCREEN); |
---|
| 602 | } |
---|
| 603 | } |
---|
| 604 | } |
---|
| 605 | } |
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