1 files changed, 219 insertions, 0 deletions
diff --git a/mpeglib/lib/util/render/sdl/sdlSurface.cpp b/mpeglib/lib/util/render/sdl/sdlSurface.cpp
new file mode 100644
index 00000000..86ef41bb
--- /dev/null
+++ b/mpeglib/lib/util/render/sdl/sdlSurface.cpp
@@ -0,0 +1,219 @@
+/*
+  surface wrapper for SDL
+  Copyright (C) 2000  Martin Vogt
+
+  This program is free software; you can redistribute it and/or modify
+  it under the terms of the GNU Library General Public License as published by
+  the Free Software Foundation.
+
+  For more information look at the file COPYRIGHT in this package
+
+ */
+
+
+
+#include "sdlSurface.h"
+
+
+#ifdef SDL_WRAPPER
+
+
+SDLSurface::SDLSurface() {
+  surface=NULL;
+  lOpen=false;
+  imageMode=_IMAGE_NONE;
+  lSDLInit=false;
+  imageDeskSDL=new ImageDeskSDL();
+}
+
+
+SDLSurface::~SDLSurface() {
+  close();
+  if (imageCurrent != NULL) {
+    imageCurrent->closeImage();
+    delete imageCurrent;
+    // otherwise test of NULL will fail
+    imageCurrent = NULL;
+  }
+}
+
+
+int SDLSurface::isOpen() {
+  return lOpen;
+}
+
+int SDLSurface::getImageMode() {
+  return imageMode;
+}
+
+int SDLSurface::open(int width, int height,const char *title,bool border) {
+  cout << "SDL openImage:"<<title<<endl;
+
+  sdlinit();
+
+  rect.x = 0;
+  rect.y = 0;
+  rect.w = width;
+  rect.h = height;
+
+  return true;
+}
+
+
+int SDLSurface::close() {
+  if (isOpen()==false) {
+    cout << "WindowOut::closeWindow already closed"<<endl;
+    return true;
+  }
+  if(surface) {
+    SDL_FreeSurface(surface);
+    surface = NULL;
+  }
+
+  lOpen=false;
+  return true;
+}
+
+
+int SDLSurface::getHeight() {
+  return rect.h;
+}
+
+
+int SDLSurface::getWidth() {
+  return rect.w;
+}
+
+
+int SDLSurface::getDepth() {
+  return video_bpp;
+}
+
+int SDLSurface::putImage(YUVPicture* ) {
+  return true;
+}
+
+
+int SDLSurface::openImage(int imageMode, YUVPicture* pic) {
+  if (this->imageMode != _IMAGE_NONE) {
+    cout << "bad open error X11Surface::openImage"<<endl;
+    exit(0);
+  }
+  cout << "************* openImage SDL"<<imageMode<<endl;
+  this->imageMode=imageMode;
+  imageCurrent=NULL;
+  int w=getWidth();
+  int h=getHeight();
+  if(imageMode & _IMAGE_RESIZE) {
+    w=resize_rect.w; 
+    h=resize_rect.h; 
+  }
+ 
+  if (imageMode & _IMAGE_DOUBLE) {
+    w=rect.w*2;
+    h=rect.h*2;
+  }
+
+  if (imageMode & _IMAGE_DESK) {
+    if (imageDeskSDL->support()) {
+      imageCurrent=imageDeskSDL;
+      int video_flags = SDL_SWSURFACE;
+      video_flags |= SDL_ASYNCBLIT;
+      video_flags |= SDL_RESIZABLE;
+      if(surface)
+	SDL_FreeSurface(surface);
+      surface = SDL_SetVideoMode(w, h, video_bpp, video_flags);
+
+    }
+  }
+  if (imageMode & _IMAGE_FULL) {
+    if (imageDeskSDL->support()) {
+      imageCurrent=imageDeskSDL;
+      int video_flags = SDL_FULLSCREEN;
+      video_flags |= SDL_ASYNCBLIT;
+      video_flags |= SDL_HWSURFACE;
+      if(surface)
+	SDL_FreeSurface(surface);
+      surface = SDL_SetVideoMode(w, h, video_bpp, video_flags);
+    }
+  }
+  if (imageCurrent != NULL) {
+    cout << "surface:"<<surface<<endl;
+    imageCurrent->init((XWindow*)surface,(YUVPicture*)&rect);
+    imageCurrent->openImage(imageMode);
+  }
+  return (imageCurrent != NULL);
+}
+
+
+int SDLSurface::closeImage() {
+  this->imageMode = _IMAGE_NONE;
+  if (imageCurrent != NULL) {
+    imageCurrent->closeImage();
+  }
+  imageCurrent=NULL;
+  return true;
+}
+
+int SDLSurface::checkEvent(int* newMode) {
+  int back=false;
+  SDL_Event event;
+  SDL_PollEvent(&event);
+  switch (event.type) {
+  case SDL_MOUSEBUTTONDOWN: {
+    int button=event.button.button;
+    if (button == 1) {
+      *newMode = imageMode ^ _IMAGE_DOUBLE;
+      back=true;
+    }
+    if (button == 3) {
+      *newMode = imageMode ^ _IMAGE_DESK ^ _IMAGE_FULL;
+      back=true;
+    }
+    break;
+  }
+  case SDL_VIDEORESIZE : {
+    resize_rect.w = event.resize.w;
+    resize_rect.h = event.resize.h;
+    *newMode = imageMode | _IMAGE_RESIZE;   
+    back = true;
+    break;
+  }
+
+  }
+  return back;
+}
+
+int SDLSurface::dither(YUVPicture* pic) {
+  if (imageCurrent != NULL) {
+    imageCurrent->ditherImage(pic);
+    if(imageMode & _IMAGE_RESIZE) {
+      imageCurrent->putImage(resize_rect.w, resize_rect.h);
+    } else {
+      imageCurrent->putImage(rect.w, rect.h);
+    }
+  }
+  return true;
+}
+
+void SDLSurface::sdlinit() {
+  if (lSDLInit == false) {
+    if (SDL_Init(SDL_INIT_VIDEO) < 0 ) {
+      fprintf(stderr, "Warning: Couldn't init SDL video: %s\n",
+	      SDL_GetError());
+      fprintf(stderr, "Will ignore video stream\n");
+      exit(0);
+    }
+    atexit(SDL_Quit);
+    cout << "****************** SDL VIDEO System **********"<<endl;
+    /* Get the "native" video mode */
+    video_info=SDL_GetVideoInfo();
+    video_bpp=video_info->vfmt->BitsPerPixel;
+    imageMode=_IMAGE_NONE;
+    
+    imageCurrent=NULL; 
+  }
+  lSDLInit=true;
+}
+
+#endif