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131 lines
3.6 KiB
C++
131 lines
3.6 KiB
C++
#include "sdlwindowhelper.hpp"
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#include <OgreStringConverter.h>
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#include <OgreRoot.h>
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#include <OgreTextureManager.h>
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#include <SDL_syswm.h>
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#include <SDL_endian.h>
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#include <stdexcept>
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#if OGRE_PLATFORM == OGRE_PLATFORM_APPLE
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#include "osx_utils.h"
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#endif
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namespace SFO
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{
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SDLWindowHelper::SDLWindowHelper (SDL_Window* window, int w, int h,
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const std::string& title, bool fullscreen, Ogre::NameValuePairList params)
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: mSDLWindow(window)
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{
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//get the native whnd
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struct SDL_SysWMinfo wmInfo;
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SDL_VERSION(&wmInfo.version);
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if (SDL_GetWindowWMInfo(mSDLWindow, &wmInfo) == SDL_FALSE)
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throw std::runtime_error("Couldn't get WM Info!");
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Ogre::String winHandle;
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switch (wmInfo.subsystem)
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{
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#ifdef WIN32
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case SDL_SYSWM_WINDOWS:
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// Windows code
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winHandle = Ogre::StringConverter::toString((uintptr_t)wmInfo.info.win.window);
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break;
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#elif __MACOSX__
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case SDL_SYSWM_COCOA:
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//required to make OGRE play nice with our window
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params.insert(std::make_pair("macAPI", "cocoa"));
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params.insert(std::make_pair("macAPICocoaUseNSView", "true"));
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winHandle = Ogre::StringConverter::toString(WindowContentViewHandle(wmInfo));
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break;
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#elif ANDROID
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case SDL_SYSWM_ANDROID:
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winHandle = Ogre::StringConverter::toString((unsigned long)wmInfo.info.android.window);
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break;
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#else
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case SDL_SYSWM_X11:
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winHandle = Ogre::StringConverter::toString((unsigned long)wmInfo.info.x11.window);
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break;
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#endif
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default:
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throw std::runtime_error("Unexpected WM!");
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break;
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}
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/// \todo externalWindowHandle is deprecated according to the source code. Figure out a way to get parentWindowHandle
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/// to work properly. On Linux/X11 it causes an occasional GLXBadDrawable error.
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#ifdef ANDROID
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SDL_GLContext context= SDL_GL_CreateContext(window);
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params.insert(std::make_pair("currentGLContext","True"));
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#endif
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params.insert(std::make_pair("externalWindowHandle", winHandle));
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mWindow = Ogre::Root::getSingleton().createRenderWindow(title, w, h, fullscreen, ¶ms);
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}
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void SDLWindowHelper::setWindowIcon(const std::string &name)
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{
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Ogre::TexturePtr texture = Ogre::TextureManager::getSingleton().load(name, Ogre::ResourceGroupManager::AUTODETECT_RESOURCE_GROUP_NAME);
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if (texture.isNull())
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{
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std::stringstream error;
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error << "Window icon not found: " << name;
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throw std::runtime_error(error.str());
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}
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Ogre::Image image;
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texture->convertToImage(image);
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SDL_Surface* surface = SDL_CreateRGBSurface(0,texture->getWidth(),texture->getHeight(),32,0xFF000000,0x00FF0000,0x0000FF00,0x000000FF);
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//copy the Ogre texture to an SDL surface
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for(size_t x = 0; x < texture->getWidth(); ++x)
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{
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for(size_t y = 0; y < texture->getHeight(); ++y)
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{
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Ogre::ColourValue clr = image.getColourAt(x, y, 0);
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//set the pixel on the SDL surface to the same value as the Ogre texture's
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int bpp = surface->format->BytesPerPixel;
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/* Here p is the address to the pixel we want to set */
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Uint8 *p = (Uint8 *)surface->pixels + y * surface->pitch + x * bpp;
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Uint32 pixel = SDL_MapRGBA(surface->format, static_cast<Uint8>(clr.r * 255),
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static_cast<Uint8>(clr.g * 255), static_cast<Uint8>(clr.b * 255), static_cast<Uint8>(clr.a * 255));
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switch(bpp) {
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case 1:
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*p = pixel;
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break;
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case 2:
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*(Uint16 *)p = pixel;
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break;
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case 3:
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if(SDL_BYTEORDER == SDL_BIG_ENDIAN) {
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p[0] = (pixel >> 16) & 0xff;
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p[1] = (pixel >> 8) & 0xff;
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p[2] = pixel & 0xff;
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} else {
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p[0] = pixel & 0xff;
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p[1] = (pixel >> 8) & 0xff;
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p[2] = (pixel >> 16) & 0xff;
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}
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break;
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case 4:
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*(Uint32 *)p = pixel;
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break;
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}
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}
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}
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SDL_SetWindowIcon(mSDLWindow, surface);
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SDL_FreeSurface(surface);
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}
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}
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