1 files changed, 110 insertions, 0 deletions
diff --git a/mpeglib/lib/util/render/sdl/imageDeskSDL.cpp b/mpeglib/lib/util/render/sdl/imageDeskSDL.cpp
new file mode 100644
index 00000000..b1ff9a7c
--- /dev/null
+++ b/mpeglib/lib/util/render/sdl/imageDeskSDL.cpp
@@ -0,0 +1,110 @@
+/*
+  SDL surface output
+  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 "imageDeskSDL.h"
+
+#ifdef SDL_WRAPPER
+
+
+ImageDeskSDL::ImageDeskSDL() {
+
+  this->surface=NULL;
+  this->rect=NULL;
+  imageMode=_IMAGE_NONE;
+  lSupport=true;
+  image=NULL;
+}
+
+
+ImageDeskSDL::~ImageDeskSDL() {
+  closeImage();
+  cout << "SDL destry needed"<<endl;
+}
+
+
+
+int ImageDeskSDL::support() {
+  return lSupport;
+}
+
+
+void ImageDeskSDL::init(XWindow* xWindow, YUVPicture* pic) {
+  cout << "ImageDeskSDL::init"<<endl;
+  this->surface=(SDL_Surface*)xWindow;
+  this->rect=(SDL_Rect*)pic;
+}
+
+int ImageDeskSDL::openImage(int imageMode) {
+  int w=rect->w;
+  int h=rect->h;
+  this->imageMode=imageMode;
+  /* Create a YV12 image (Y + V + U) */
+  cout << "CreateYUVOverlay -s"<<imageMode<<" w:"<<w<<" h:"<<h<<endl;
+  image = SDL_CreateYUVOverlay(w,h,
+			       SDL_YV12_OVERLAY, 
+			       surface);
+  if (image == NULL) {
+    cout << "error creating image"<<endl;
+    exit(0);
+  }
+  cout << "CreateYUVOverlay -e"<<endl;
+  return true;
+}
+
+
+int ImageDeskSDL::closeImage() {
+  if (image != NULL) {
+    cout << "FreeYUVOverlay -s"<<endl;
+    SDL_FreeYUVOverlay(image);
+    // otherwise test of NULL will fail
+    image = NULL;
+    cout << "FreeYUVOverlay -e"<<endl;
+  }
+  return true;
+}
+
+
+
+void ImageDeskSDL::ditherImage(YUVPicture* pic) {
+
+  int w=pic->getWidth();
+  int h=pic->getHeight();
+  int size=w*h+(w*h)/2;
+  SDL_LockYUVOverlay(image);
+  memcpy(*((char**)image->pixels),pic->getLuminancePtr(),size);
+  SDL_UnlockYUVOverlay(image);
+ 
+}
+
+
+void ImageDeskSDL::putImage(int w, int h) {
+  SDL_Rect dest;
+  dest.x=0;
+  dest.y=0;
+  dest.w=rect->w;
+  dest.h=rect->h;
+  if (imageMode & _IMAGE_RESIZE) {
+    dest.w = w;
+    dest.h = h;
+  }
+
+  if (imageMode & _IMAGE_DOUBLE) {
+    dest.w*=2;
+    dest.h*=2;
+  }
+  SDL_DisplayYUVOverlay(image,&dest);
+
+}
+
+#endif
+